diff options
Diffstat (limited to 'src/mesa/drivers/windows')
-rw-r--r-- | src/mesa/drivers/windows/wgl.c | 1290 | ||||
-rw-r--r-- | src/mesa/drivers/windows/wmesa.c | 5926 |
2 files changed, 3616 insertions, 3600 deletions
diff --git a/src/mesa/drivers/windows/wgl.c b/src/mesa/drivers/windows/wgl.c index c9b6f649ea..f7bf682016 100644 --- a/src/mesa/drivers/windows/wgl.c +++ b/src/mesa/drivers/windows/wgl.c @@ -1,645 +1,645 @@ -/* $Id: wgl.c,v 1.7 2001/07/27 14:03:55 brianp Exp $ */ - -/* -* This library is free software; you can redistribute it and/or -* modify it under the terms of the GNU Library General Public -* License as published by the Free Software Foundation; either -* version 2 of the License, or (at your option) any later version. -* -* This library is distributed in the hope that it will be useful, -* but WITHOUT ANY WARRANTY; without even the implied warranty of -* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -* Library General Public License for more details. -* -* You should have received a copy of the GNU Library General Public -* License along with this library; if not, write to the Free -* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -* -*/ - -/* -* File name : wgl.c -* WGL stuff. Added by Oleg Letsinsky, ajl@ultersys.ru -* Some things originated from the 3Dfx WGL functions -*/ - -#ifdef WIN32 - -#ifdef __cplusplus -extern "C" { -#endif - -#include <windows.h> -#define GL_GLEXT_PROTOTYPES -#include <GL/gl.h> -#include <GL/glext.h> -//#include <GL/glu.h> - -#ifdef __cplusplus -} -#endif - -#include <stdio.h> -#include <tchar.h> -#include "wmesadef.h" -#include "GL/wmesa.h" -#include "mtypes.h" - -#define MAX_MESA_ATTRS 20 - -struct __extensions__ -{ - PROC proc; - char *name; -}; - -struct __pixelformat__ -{ - PIXELFORMATDESCRIPTOR pfd; - GLboolean doubleBuffered; -}; - -struct __extensions__ ext[] = { - -#ifdef GL_EXT_polygon_offset - { (PROC)glPolygonOffsetEXT, "glPolygonOffsetEXT" }, -#endif - { (PROC)glBlendEquationEXT, "glBlendEquationEXT" }, - { (PROC)glBlendColorEXT, "glBlendColorExt" }, - { (PROC)glVertexPointerEXT, "glVertexPointerEXT" }, - { (PROC)glNormalPointerEXT, "glNormalPointerEXT" }, - { (PROC)glColorPointerEXT, "glColorPointerEXT" }, - { (PROC)glIndexPointerEXT, "glIndexPointerEXT" }, - { (PROC)glTexCoordPointerEXT, "glTexCoordPointer" }, - { (PROC)glEdgeFlagPointerEXT, "glEdgeFlagPointerEXT" }, - { (PROC)glGetPointervEXT, "glGetPointervEXT" }, - { (PROC)glArrayElementEXT, "glArrayElementEXT" }, - { (PROC)glDrawArraysEXT, "glDrawArrayEXT" }, - { (PROC)glAreTexturesResidentEXT, "glAreTexturesResidentEXT" }, - { (PROC)glBindTextureEXT, "glBindTextureEXT" }, - { (PROC)glDeleteTexturesEXT, "glDeleteTexturesEXT" }, - { (PROC)glGenTexturesEXT, "glGenTexturesEXT" }, - { (PROC)glIsTextureEXT, "glIsTextureEXT" }, - { (PROC)glPrioritizeTexturesEXT, "glPrioritizeTexturesEXT" }, - { (PROC)glCopyTexSubImage3DEXT, "glCopyTexSubImage3DEXT" }, - { (PROC)glTexImage3DEXT, "glTexImage3DEXT" }, - { (PROC)glTexSubImage3DEXT, "glTexSubImage3DEXT" }, - { (PROC)glColorTableEXT, "glColorTableEXT" }, - { (PROC)glColorSubTableEXT, "glColorSubTableEXT" }, - { (PROC)glGetColorTableEXT, "glGetColorTableEXT" }, - { (PROC)glGetColorTableParameterfvEXT, "glGetColorTableParameterfvEXT" }, - { (PROC)glGetColorTableParameterivEXT, "glGetColorTableParameterivEXT" }, - { (PROC)glPointParameterfEXT, "glPointParameterfEXT" }, - { (PROC)glPointParameterfvEXT, "glPointParameterfvEXT" }, - { (PROC)glBlendFuncSeparateEXT, "glBlendFuncSeparateEXT" }, - { (PROC)glLockArraysEXT, "glLockArraysEXT" }, - { (PROC)glUnlockArraysEXT, "glUnlockArraysEXT" } -}; - -int qt_ext = sizeof(ext) / sizeof(ext[0]); - -struct __pixelformat__ pix[] = -{ - { { sizeof(PIXELFORMATDESCRIPTOR), 1, - PFD_DRAW_TO_WINDOW|PFD_SUPPORT_OPENGL|PFD_GENERIC_FORMAT|PFD_DOUBLEBUFFER|PFD_SWAP_COPY, - PFD_TYPE_RGBA, - 24, 8, 0, 8, 8, 8, 16, 8, 24, - 0, 0, 0, 0, 0, 16, 8, 0, 0, 0, 0, 0, 0 }, - GL_TRUE - }, - { { sizeof(PIXELFORMATDESCRIPTOR), 1, - PFD_DRAW_TO_WINDOW|PFD_SUPPORT_OPENGL|PFD_GENERIC_FORMAT, - PFD_TYPE_RGBA, - 24, 8, 0, 8, 8, 8, 16, 8, 24, - 0, 0, 0, 0, 0, 16, 8, 0, 0, 0, 0, 0, 0 }, - GL_FALSE - }, -}; - -int qt_pix = sizeof(pix) / sizeof(pix[0]); - -typedef struct { - WMesaContext ctx; - HDC hdc; -} MesaWglCtx; - -#define MESAWGL_CTX_MAX_COUNT 20 - -static MesaWglCtx wgl_ctx[MESAWGL_CTX_MAX_COUNT]; - -static unsigned ctx_count = 0; -static unsigned ctx_current = -1; -static unsigned curPFD = 0; - -GLAPI BOOL GLWINAPI wglCopyContext(HGLRC hglrcSrc,HGLRC hglrcDst,UINT mask) -{ - return(FALSE); -} - -GLAPI HGLRC GLWINAPI wglCreateContext(HDC hdc) -{ - HWND hWnd; - int i = 0; - if(!(hWnd = WindowFromDC(hdc))) - { - SetLastError(0); - return(NULL); - } - if (!ctx_count) - { - for(i=0;i<MESAWGL_CTX_MAX_COUNT;i++) - { - wgl_ctx[i].ctx = NULL; - wgl_ctx[i].hdc = NULL; - } - } - for( i = 0; i < MESAWGL_CTX_MAX_COUNT; i++ ) - { - if ( wgl_ctx[i].ctx == NULL ) - { - wgl_ctx[i].ctx = WMesaCreateContext( hWnd, NULL, GL_TRUE, - pix[curPFD-1].doubleBuffered ); - if (wgl_ctx[i].ctx == NULL) - break; - wgl_ctx[i].hdc = hdc; - ctx_count++; - return ((HGLRC)wgl_ctx[i].ctx); - } - } - SetLastError(0); - return(NULL); -} - -GLAPI BOOL GLWINAPI wglDeleteContext(HGLRC hglrc) -{ - int i; - for ( i = 0; i < MESAWGL_CTX_MAX_COUNT; i++ ) - { - if ( wgl_ctx[i].ctx == (PWMC) hglrc ) - { - WMesaMakeCurrent((PWMC) hglrc); - WMesaDestroyContext(); - wgl_ctx[i].ctx = NULL; - wgl_ctx[i].hdc = NULL; - ctx_count--; - return(TRUE); - } - } - SetLastError(0); - return(FALSE); -} - -GLAPI HGLRC GLWINAPI wglCreateLayerContext(HDC hdc,int iLayerPlane) -{ - SetLastError(0); - return(NULL); -} - -GLAPI HGLRC GLWINAPI wglGetCurrentContext(VOID) -{ - if (ctx_current < 0) - return 0; - else - return (HGLRC) wgl_ctx[ctx_current].ctx; -} - -GLAPI HDC GLWINAPI wglGetCurrentDC(VOID) -{ - if (ctx_current < 0) - return 0; - else - return wgl_ctx[ctx_current].hdc; -} - -GLAPI BOOL GLWINAPI wglMakeCurrent(HDC hdc,HGLRC hglrc) -{ - int i; - - /* new code suggested by Andy Sy */ - if (!hdc || !hglrc) { - WMesaMakeCurrent(NULL); - ctx_current = -1; - return TRUE; - } - - for ( i = 0; i < MESAWGL_CTX_MAX_COUNT; i++ ) - { - if ( wgl_ctx[i].ctx == (PWMC) hglrc ) - { - wgl_ctx[i].hdc = hdc; - WMesaMakeCurrent( (WMesaContext) hglrc ); - ctx_current = i; - return TRUE; - } - } - return FALSE; -} - -GLAPI BOOL GLWINAPI wglShareLists(HGLRC hglrc1,HGLRC hglrc2) -{ - return(TRUE); -} - - -static FIXED FixedFromDouble(double d) -{ - long l = (long) (d * 65536L); - return *(FIXED *)&l; -} - - -/* -** This is cribbed from FX/fxwgl.c, and seems to implement support -** for bitmap fonts where the wglUseFontBitmapsA() code implements -** support for outline fonts. In combination they hopefully give -** fairly generic support for fonts. -*/ -static BOOL wglUseFontBitmaps_FX(HDC fontDevice, DWORD firstChar, - DWORD numChars, DWORD listBase) -{ -#define VERIFY(a) a - - TEXTMETRIC metric; - BITMAPINFO *dibInfo; - HDC bitDevice; - COLORREF tempColor; - int i; - - VERIFY(GetTextMetrics(fontDevice, &metric)); - - dibInfo = (BITMAPINFO *) calloc(sizeof(BITMAPINFO) + sizeof(RGBQUAD), 1); - dibInfo->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); - dibInfo->bmiHeader.biPlanes = 1; - dibInfo->bmiHeader.biBitCount = 1; - dibInfo->bmiHeader.biCompression = BI_RGB; - - bitDevice = CreateCompatibleDC(fontDevice); - // HDC bitDevice = CreateDC("DISPLAY", NULL, NULL, NULL); - // VERIFY(bitDevice); - - // Swap fore and back colors so the bitmap has the right polarity - tempColor = GetBkColor(bitDevice); - SetBkColor(bitDevice, GetTextColor(bitDevice)); - SetTextColor(bitDevice, tempColor); - - // Place chars based on base line - VERIFY(SetTextAlign(bitDevice, TA_BASELINE) >= 0 ? 1 : 0); - - for(i = 0; i < numChars; i++) { - SIZE size; - char curChar; - int charWidth,charHeight,bmapWidth,bmapHeight,numBytes,res; - HBITMAP bitObject; - HGDIOBJ origBmap; - unsigned char *bmap; - - curChar = i + firstChar; - - // Find how high/wide this character is - VERIFY(GetTextExtentPoint32(bitDevice, &curChar, 1, &size)); - - // Create the output bitmap - charWidth = size.cx; - charHeight = size.cy; - bmapWidth = ((charWidth + 31) / 32) * 32; // Round up to the next multiple of 32 bits - bmapHeight = charHeight; - bitObject = CreateCompatibleBitmap(bitDevice, - bmapWidth, - bmapHeight); - //VERIFY(bitObject); - - // Assign the output bitmap to the device - origBmap = SelectObject(bitDevice, bitObject); - VERIFY(origBmap); - - VERIFY( PatBlt( bitDevice, 0, 0, bmapWidth, bmapHeight,BLACKNESS ) ); - - // Use our source font on the device - VERIFY(SelectObject(bitDevice, GetCurrentObject(fontDevice,OBJ_FONT))); - - // Draw the character - VERIFY(TextOut(bitDevice, 0, metric.tmAscent, &curChar, 1)); - - // Unselect our bmap object - VERIFY(SelectObject(bitDevice, origBmap)); - - // Convert the display dependant representation to a 1 bit deep DIB - numBytes = (bmapWidth * bmapHeight) / 8; - bmap = malloc(numBytes); - dibInfo->bmiHeader.biWidth = bmapWidth; - dibInfo->bmiHeader.biHeight = bmapHeight; - res = GetDIBits(bitDevice, bitObject, 0, bmapHeight, bmap, - dibInfo, - DIB_RGB_COLORS); - //VERIFY(res); - - // Create the GL object - glNewList(i + listBase, GL_COMPILE); - glBitmap(bmapWidth, bmapHeight, 0.0, metric.tmDescent, - charWidth, 0.0, - bmap); - glEndList(); - // CheckGL(); - - // Destroy the bmap object - DeleteObject(bitObject); - - // Deallocate the bitmap data - free(bmap); - } - - // Destroy the DC - VERIFY(DeleteDC(bitDevice)); - - free(dibInfo); - - return TRUE; -#undef VERIFY -} - -GLAPI BOOL GLWINAPI wglUseFontBitmapsA(HDC hdc, DWORD first, - DWORD count, DWORD listBase) -{ - int i; - GLuint font_list; - DWORD size; - GLYPHMETRICS gm; - HANDLE hBits; - LPSTR lpBits; - MAT2 mat; - int success = TRUE; - - if (first<0) - return FALSE; - if (count<0) - return FALSE; - if (listBase<0) - return FALSE; - - font_list = listBase; - - mat.eM11 = FixedFromDouble(1); - mat.eM12 = FixedFromDouble(0); - mat.eM21 = FixedFromDouble(0); - mat.eM22 = FixedFromDouble(-1); - - memset(&gm,0,sizeof(gm)); - - /* - ** If we can't get the glyph outline, it may be because this is a fixed - ** font. Try processing it that way. - */ - if( GetGlyphOutline(hdc, first, GGO_BITMAP, &gm, 0, NULL, &mat) - == GDI_ERROR ) - { - return wglUseFontBitmaps_FX( hdc, first, count, listBase ); - } - - /* - ** Otherwise process all desired characters. - */ - for (i = 0; i < count; i++) - { - DWORD err; - - glNewList( font_list+i, GL_COMPILE ); - - /* allocate space for the bitmap/outline */ - size = GetGlyphOutline(hdc, first + i, GGO_BITMAP, &gm, 0, NULL, &mat); - if (size == GDI_ERROR) - { - glEndList( ); - err = GetLastError(); - success = FALSE; - continue; - } - - hBits = GlobalAlloc(GHND, size+1); - lpBits = GlobalLock(hBits); - - err = - GetGlyphOutline(hdc, /* handle to device context */ - first + i, /* character to query */ - GGO_BITMAP, /* format of data to return */ - &gm, /* pointer to structure for metrics*/ - size, /* size of buffer for data */ - lpBits, /* pointer to buffer for data */ - &mat /* pointer to transformation */ - /* matrix structure */ - ); - - if (err == GDI_ERROR) - { - GlobalUnlock(hBits); - GlobalFree(hBits); - - glEndList( ); - err = GetLastError(); - success = FALSE; - continue; - } - - glBitmap(gm.gmBlackBoxX,gm.gmBlackBoxY, - -gm.gmptGlyphOrigin.x, - gm.gmptGlyphOrigin.y, - gm.gmCellIncX,gm.gmCellIncY, - (const GLubyte * )lpBits); - - GlobalUnlock(hBits); - GlobalFree(hBits); - - glEndList( ); - } - - return success; -} - - -GLAPI BOOL GLWINAPI wglUseFontBitmapsW(HDC hdc,DWORD first,DWORD count,DWORD listBase) -{ - return FALSE; -} - -GLAPI BOOL GLWINAPI wglUseFontOutlinesA(HDC hdc,DWORD first,DWORD count, - DWORD listBase,FLOAT deviation, - FLOAT extrusion,int format, - LPGLYPHMETRICSFLOAT lpgmf) -{ - SetLastError(0); - return(FALSE); -} - -GLAPI BOOL GLWINAPI wglUseFontOutlinesW(HDC hdc,DWORD first,DWORD count, - DWORD listBase,FLOAT deviation, - FLOAT extrusion,int format, - LPGLYPHMETRICSFLOAT lpgmf) -{ - SetLastError(0); - return(FALSE); -} - -GLAPI BOOL GLWINAPI wglDescribeLayerPlane(HDC hdc,int iPixelFormat, - int iLayerPlane,UINT nBytes, - LPLAYERPLANEDESCRIPTOR plpd) -{ - SetLastError(0); - return(FALSE); -} - -GLAPI int GLWINAPI wglSetLayerPaletteEntries(HDC hdc,int iLayerPlane, - int iStart,int cEntries, - CONST COLORREF *pcr) -{ - SetLastError(0); - return(0); -} - -GLAPI int GLWINAPI wglGetLayerPaletteEntries(HDC hdc,int iLayerPlane, - int iStart,int cEntries, - COLORREF *pcr) -{ - SetLastError(0); - return(0); -} - -GLAPI BOOL GLWINAPI wglRealizeLayerPalette(HDC hdc,int iLayerPlane,BOOL bRealize) -{ - SetLastError(0); - return(FALSE); -} - -GLAPI BOOL GLWINAPI wglSwapLayerBuffers(HDC hdc,UINT fuPlanes) -{ - if( !hdc ) - { - WMesaSwapBuffers(); - return(TRUE); - } - SetLastError(0); - return(FALSE); -} - -GLAPI int GLWINAPI wglChoosePixelFormat(HDC hdc, - CONST PIXELFORMATDESCRIPTOR *ppfd) -{ - int i,best = -1,bestdelta = 0x7FFFFFFF,delta,qt_valid_pix; - - qt_valid_pix = qt_pix; - if(ppfd->nSize != sizeof(PIXELFORMATDESCRIPTOR) || ppfd->nVersion != 1) - { - SetLastError(0); - return(0); - } - for(i = 0;i < qt_valid_pix;i++) - { - delta = 0; - if( - (ppfd->dwFlags & PFD_DRAW_TO_WINDOW) && - !(pix[i].pfd.dwFlags & PFD_DRAW_TO_WINDOW)) - continue; - if( - (ppfd->dwFlags & PFD_DRAW_TO_BITMAP) && - !(pix[i].pfd.dwFlags & PFD_DRAW_TO_BITMAP)) - continue; - if( - (ppfd->dwFlags & PFD_SUPPORT_GDI) && - !(pix[i].pfd.dwFlags & PFD_SUPPORT_GDI)) - continue; - if( - (ppfd->dwFlags & PFD_SUPPORT_OPENGL) && - !(pix[i].pfd.dwFlags & PFD_SUPPORT_OPENGL)) - continue; - if( - !(ppfd->dwFlags & PFD_DOUBLEBUFFER_DONTCARE) && - ((ppfd->dwFlags & PFD_DOUBLEBUFFER) != (pix[i].pfd.dwFlags & PFD_DOUBLEBUFFER))) - continue; - if( - !(ppfd->dwFlags & PFD_STEREO_DONTCARE) && - ((ppfd->dwFlags & PFD_STEREO) != (pix[i].pfd.dwFlags & PFD_STEREO))) - continue; - if(ppfd->iPixelType != pix[i].pfd.iPixelType) - delta++; - if(delta < bestdelta) - { - best = i + 1; - bestdelta = delta; - if(bestdelta == 0) - break; - } - } - if(best == -1) - { - SetLastError(0); - return(0); - } - return(best); -} - -GLAPI int GLWINAPI wglDescribePixelFormat(HDC hdc,int iPixelFormat,UINT nBytes, - LPPIXELFORMATDESCRIPTOR ppfd) -{ - int qt_valid_pix; - - qt_valid_pix = qt_pix; - if(iPixelFormat < 1 || iPixelFormat > qt_valid_pix || nBytes != sizeof(PIXELFORMATDESCRIPTOR)) - { - SetLastError(0); - return(0); - } - *ppfd = pix[iPixelFormat - 1].pfd; - return(qt_valid_pix); -} - -/* -* GetProcAddress - return the address of an appropriate extension -*/ -GLAPI PROC GLWINAPI wglGetProcAddress(LPCSTR lpszProc) -{ - int i; - for(i = 0;i < qt_ext;i++) - if(!strcmp(lpszProc,ext[i].name)) - return(ext[i].proc); - - SetLastError(0); - return(NULL); -} - -GLAPI int GLWINAPI wglGetPixelFormat(HDC hdc) -{ - if(curPFD == 0) - { - SetLastError(0); - return(0); - } - return(curPFD); -} - -GLAPI BOOL GLWINAPI wglSetPixelFormat(HDC hdc,int iPixelFormat, - PIXELFORMATDESCRIPTOR *ppfd) -{ - int qt_valid_pix; - - qt_valid_pix = qt_pix; - if(iPixelFormat < 1 || iPixelFormat > qt_valid_pix || ppfd->nSize != sizeof(PIXELFORMATDESCRIPTOR)) - { - SetLastError(0); - return(FALSE); - } - curPFD = iPixelFormat; - return(TRUE); -} - -GLAPI BOOL GLWINAPI wglSwapBuffers(HDC hdc) -{ - if (ctx_current < 0) - return FALSE; - - if(wgl_ctx[ctx_current].ctx == NULL) { - SetLastError(0); - return(FALSE); - } - WMesaSwapBuffers(); - return(TRUE); -} - -#endif /* WIN32 */ +/* $Id: wgl.c,v 1.8 2001/09/14 22:19:19 brianp Exp $ */
+
+/*
+* This library is free software; you can redistribute it and/or
+* modify it under the terms of the GNU Library General Public
+* License as published by the Free Software Foundation; either
+* version 2 of the License, or (at your option) any later version.
+*
+* This library is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+* Library General Public License for more details.
+*
+* You should have received a copy of the GNU Library General Public
+* License along with this library; if not, write to the Free
+* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*
+*/
+
+/*
+* File name : wgl.c
+* WGL stuff. Added by Oleg Letsinsky, ajl@ultersys.ru
+* Some things originated from the 3Dfx WGL functions
+*/
+
+#ifdef WIN32
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <windows.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/gl.h>
+#include <GL/glext.h>
+//#include <GL/glu.h>
+
+#ifdef __cplusplus
+}
+#endif
+
+#include <stdio.h>
+#include <tchar.h>
+#include "wmesadef.h"
+#include "GL/wmesa.h"
+#include "mtypes.h"
+
+#define MAX_MESA_ATTRS 20
+
+struct __extensions__
+{
+ PROC proc;
+ char *name;
+};
+
+struct __pixelformat__
+{
+ PIXELFORMATDESCRIPTOR pfd;
+ GLboolean doubleBuffered;
+};
+
+struct __extensions__ ext[] = {
+
+#ifdef GL_EXT_polygon_offset
+ { (PROC)glPolygonOffsetEXT, "glPolygonOffsetEXT" },
+#endif
+ { (PROC)glBlendEquationEXT, "glBlendEquationEXT" },
+ { (PROC)glBlendColorEXT, "glBlendColorExt" },
+ { (PROC)glVertexPointerEXT, "glVertexPointerEXT" },
+ { (PROC)glNormalPointerEXT, "glNormalPointerEXT" },
+ { (PROC)glColorPointerEXT, "glColorPointerEXT" },
+ { (PROC)glIndexPointerEXT, "glIndexPointerEXT" },
+ { (PROC)glTexCoordPointerEXT, "glTexCoordPointer" },
+ { (PROC)glEdgeFlagPointerEXT, "glEdgeFlagPointerEXT" },
+ { (PROC)glGetPointervEXT, "glGetPointervEXT" },
+ { (PROC)glArrayElementEXT, "glArrayElementEXT" },
+ { (PROC)glDrawArraysEXT, "glDrawArrayEXT" },
+ { (PROC)glAreTexturesResidentEXT, "glAreTexturesResidentEXT" },
+ { (PROC)glBindTextureEXT, "glBindTextureEXT" },
+ { (PROC)glDeleteTexturesEXT, "glDeleteTexturesEXT" },
+ { (PROC)glGenTexturesEXT, "glGenTexturesEXT" },
+ { (PROC)glIsTextureEXT, "glIsTextureEXT" },
+ { (PROC)glPrioritizeTexturesEXT, "glPrioritizeTexturesEXT" },
+ { (PROC)glCopyTexSubImage3DEXT, "glCopyTexSubImage3DEXT" },
+ { (PROC)glTexImage3DEXT, "glTexImage3DEXT" },
+ { (PROC)glTexSubImage3DEXT, "glTexSubImage3DEXT" },
+ { (PROC)glColorTableEXT, "glColorTableEXT" },
+ { (PROC)glColorSubTableEXT, "glColorSubTableEXT" },
+ { (PROC)glGetColorTableEXT, "glGetColorTableEXT" },
+ { (PROC)glGetColorTableParameterfvEXT, "glGetColorTableParameterfvEXT" },
+ { (PROC)glGetColorTableParameterivEXT, "glGetColorTableParameterivEXT" },
+ { (PROC)glPointParameterfEXT, "glPointParameterfEXT" },
+ { (PROC)glPointParameterfvEXT, "glPointParameterfvEXT" },
+ { (PROC)glBlendFuncSeparateEXT, "glBlendFuncSeparateEXT" },
+ { (PROC)glLockArraysEXT, "glLockArraysEXT" },
+ { (PROC)glUnlockArraysEXT, "glUnlockArraysEXT" }
+};
+
+int qt_ext = sizeof(ext) / sizeof(ext[0]);
+
+struct __pixelformat__ pix[] =
+{
+ { { sizeof(PIXELFORMATDESCRIPTOR), 1,
+ PFD_DRAW_TO_WINDOW|PFD_SUPPORT_OPENGL|PFD_GENERIC_FORMAT|PFD_DOUBLEBUFFER|PFD_SWAP_COPY,
+ PFD_TYPE_RGBA,
+ 24, 8, 0, 8, 8, 8, 16, 8, 24,
+ 0, 0, 0, 0, 0, 16, 8, 0, 0, 0, 0, 0, 0 },
+ GL_TRUE
+ },
+ { { sizeof(PIXELFORMATDESCRIPTOR), 1,
+ PFD_DRAW_TO_WINDOW|PFD_SUPPORT_OPENGL|PFD_GENERIC_FORMAT,
+ PFD_TYPE_RGBA,
+ 24, 8, 0, 8, 8, 8, 16, 8, 24,
+ 0, 0, 0, 0, 0, 16, 8, 0, 0, 0, 0, 0, 0 },
+ GL_FALSE
+ },
+};
+
+int qt_pix = sizeof(pix) / sizeof(pix[0]);
+
+typedef struct {
+ WMesaContext ctx;
+ HDC hdc;
+} MesaWglCtx;
+
+#define MESAWGL_CTX_MAX_COUNT 20
+
+static MesaWglCtx wgl_ctx[MESAWGL_CTX_MAX_COUNT];
+
+static unsigned ctx_count = 0;
+static unsigned ctx_current = -1;
+static unsigned curPFD = 0;
+
+WGLAPI BOOL GLAPIENTRY wglCopyContext(HGLRC hglrcSrc,HGLRC hglrcDst,UINT mask)
+{
+ return(FALSE);
+}
+
+WGLAPI HGLRC GLAPIENTRY wglCreateContext(HDC hdc)
+{
+ HWND hWnd;
+ int i = 0;
+ if(!(hWnd = WindowFromDC(hdc)))
+ {
+ SetLastError(0);
+ return(NULL);
+ }
+ if (!ctx_count)
+ {
+ for(i=0;i<MESAWGL_CTX_MAX_COUNT;i++)
+ {
+ wgl_ctx[i].ctx = NULL;
+ wgl_ctx[i].hdc = NULL;
+ }
+ }
+ for( i = 0; i < MESAWGL_CTX_MAX_COUNT; i++ )
+ {
+ if ( wgl_ctx[i].ctx == NULL )
+ {
+ wgl_ctx[i].ctx = WMesaCreateContext( hWnd, NULL, GL_TRUE,
+ pix[curPFD-1].doubleBuffered );
+ if (wgl_ctx[i].ctx == NULL)
+ break;
+ wgl_ctx[i].hdc = hdc;
+ ctx_count++;
+ return ((HGLRC)wgl_ctx[i].ctx);
+ }
+ }
+ SetLastError(0);
+ return(NULL);
+}
+
+WGLAPI BOOL GLAPIENTRY wglDeleteContext(HGLRC hglrc)
+{
+ int i;
+ for ( i = 0; i < MESAWGL_CTX_MAX_COUNT; i++ )
+ {
+ if ( wgl_ctx[i].ctx == (PWMC) hglrc )
+ {
+ WMesaMakeCurrent((PWMC) hglrc);
+ WMesaDestroyContext();
+ wgl_ctx[i].ctx = NULL;
+ wgl_ctx[i].hdc = NULL;
+ ctx_count--;
+ return(TRUE);
+ }
+ }
+ SetLastError(0);
+ return(FALSE);
+}
+
+WGLAPI HGLRC GLAPIENTRY wglCreateLayerContext(HDC hdc,int iLayerPlane)
+{
+ SetLastError(0);
+ return(NULL);
+}
+
+WGLAPI HGLRC GLAPIENTRY wglGetCurrentContext(VOID)
+{
+ if (ctx_current < 0)
+ return 0;
+ else
+ return (HGLRC) wgl_ctx[ctx_current].ctx;
+}
+
+WGLAPI HDC GLAPIENTRY wglGetCurrentDC(VOID)
+{
+ if (ctx_current < 0)
+ return 0;
+ else
+ return wgl_ctx[ctx_current].hdc;
+}
+
+WGLAPI BOOL GLAPIENTRY wglMakeCurrent(HDC hdc,HGLRC hglrc)
+{
+ int i;
+
+ /* new code suggested by Andy Sy */
+ if (!hdc || !hglrc) {
+ WMesaMakeCurrent(NULL);
+ ctx_current = -1;
+ return TRUE;
+ }
+
+ for ( i = 0; i < MESAWGL_CTX_MAX_COUNT; i++ )
+ {
+ if ( wgl_ctx[i].ctx == (PWMC) hglrc )
+ {
+ wgl_ctx[i].hdc = hdc;
+ WMesaMakeCurrent( (WMesaContext) hglrc );
+ ctx_current = i;
+ return TRUE;
+ }
+ }
+ return FALSE;
+}
+
+WGLAPI BOOL GLAPIENTRY wglShareLists(HGLRC hglrc1,HGLRC hglrc2)
+{
+ return(TRUE);
+}
+
+
+static FIXED FixedFromDouble(double d)
+{
+ long l = (long) (d * 65536L);
+ return *(FIXED *)&l;
+}
+
+
+/*
+** This is cribbed from FX/fxwgl.c, and seems to implement support
+** for bitmap fonts where the wglUseFontBitmapsA() code implements
+** support for outline fonts. In combination they hopefully give
+** fairly generic support for fonts.
+*/
+static BOOL wglUseFontBitmaps_FX(HDC fontDevice, DWORD firstChar,
+ DWORD numChars, DWORD listBase)
+{
+#define VERIFY(a) a
+
+ TEXTMETRIC metric;
+ BITMAPINFO *dibInfo;
+ HDC bitDevice;
+ COLORREF tempColor;
+ int i;
+
+ VERIFY(GetTextMetrics(fontDevice, &metric));
+
+ dibInfo = (BITMAPINFO *) calloc(sizeof(BITMAPINFO) + sizeof(RGBQUAD), 1);
+ dibInfo->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
+ dibInfo->bmiHeader.biPlanes = 1;
+ dibInfo->bmiHeader.biBitCount = 1;
+ dibInfo->bmiHeader.biCompression = BI_RGB;
+
+ bitDevice = CreateCompatibleDC(fontDevice);
+ // HDC bitDevice = CreateDC("DISPLAY", NULL, NULL, NULL);
+ // VERIFY(bitDevice);
+
+ // Swap fore and back colors so the bitmap has the right polarity
+ tempColor = GetBkColor(bitDevice);
+ SetBkColor(bitDevice, GetTextColor(bitDevice));
+ SetTextColor(bitDevice, tempColor);
+
+ // Place chars based on base line
+ VERIFY(SetTextAlign(bitDevice, TA_BASELINE) >= 0 ? 1 : 0);
+
+ for(i = 0; i < numChars; i++) {
+ SIZE size;
+ char curChar;
+ int charWidth,charHeight,bmapWidth,bmapHeight,numBytes,res;
+ HBITMAP bitObject;
+ HGDIOBJ origBmap;
+ unsigned char *bmap;
+
+ curChar = i + firstChar;
+
+ // Find how high/wide this character is
+ VERIFY(GetTextExtentPoint32(bitDevice, &curChar, 1, &size));
+
+ // Create the output bitmap
+ charWidth = size.cx;
+ charHeight = size.cy;
+ bmapWidth = ((charWidth + 31) / 32) * 32; // Round up to the next multiple of 32 bits
+ bmapHeight = charHeight;
+ bitObject = CreateCompatibleBitmap(bitDevice,
+ bmapWidth,
+ bmapHeight);
+ //VERIFY(bitObject);
+
+ // Assign the output bitmap to the device
+ origBmap = SelectObject(bitDevice, bitObject);
+ VERIFY(origBmap);
+
+ VERIFY( PatBlt( bitDevice, 0, 0, bmapWidth, bmapHeight,BLACKNESS ) );
+
+ // Use our source font on the device
+ VERIFY(SelectObject(bitDevice, GetCurrentObject(fontDevice,OBJ_FONT)));
+
+ // Draw the character
+ VERIFY(TextOut(bitDevice, 0, metric.tmAscent, &curChar, 1));
+
+ // Unselect our bmap object
+ VERIFY(SelectObject(bitDevice, origBmap));
+
+ // Convert the display dependant representation to a 1 bit deep DIB
+ numBytes = (bmapWidth * bmapHeight) / 8;
+ bmap = malloc(numBytes);
+ dibInfo->bmiHeader.biWidth = bmapWidth;
+ dibInfo->bmiHeader.biHeight = bmapHeight;
+ res = GetDIBits(bitDevice, bitObject, 0, bmapHeight, bmap,
+ dibInfo,
+ DIB_RGB_COLORS);
+ //VERIFY(res);
+
+ // Create the GL object
+ glNewList(i + listBase, GL_COMPILE);
+ glBitmap(bmapWidth, bmapHeight, 0.0, metric.tmDescent,
+ charWidth, 0.0,
+ bmap);
+ glEndList();
+ // CheckGL();
+
+ // Destroy the bmap object
+ DeleteObject(bitObject);
+
+ // Deallocate the bitmap data
+ free(bmap);
+ }
+
+ // Destroy the DC
+ VERIFY(DeleteDC(bitDevice));
+
+ free(dibInfo);
+
+ return TRUE;
+#undef VERIFY
+}
+
+WGLAPI BOOL GLAPIENTRY wglUseFontBitmapsA(HDC hdc, DWORD first,
+ DWORD count, DWORD listBase)
+{
+ int i;
+ GLuint font_list;
+ DWORD size;
+ GLYPHMETRICS gm;
+ HANDLE hBits;
+ LPSTR lpBits;
+ MAT2 mat;
+ int success = TRUE;
+
+ if (first<0)
+ return FALSE;
+ if (count<0)
+ return FALSE;
+ if (listBase<0)
+ return FALSE;
+
+ font_list = listBase;
+
+ mat.eM11 = FixedFromDouble(1);
+ mat.eM12 = FixedFromDouble(0);
+ mat.eM21 = FixedFromDouble(0);
+ mat.eM22 = FixedFromDouble(-1);
+
+ memset(&gm,0,sizeof(gm));
+
+ /*
+ ** If we can't get the glyph outline, it may be because this is a fixed
+ ** font. Try processing it that way.
+ */
+ if( GetGlyphOutline(hdc, first, GGO_BITMAP, &gm, 0, NULL, &mat)
+ == GDI_ERROR )
+ {
+ return wglUseFontBitmaps_FX( hdc, first, count, listBase );
+ }
+
+ /*
+ ** Otherwise process all desired characters.
+ */
+ for (i = 0; i < count; i++)
+ {
+ DWORD err;
+
+ glNewList( font_list+i, GL_COMPILE );
+
+ /* allocate space for the bitmap/outline */
+ size = GetGlyphOutline(hdc, first + i, GGO_BITMAP, &gm, 0, NULL, &mat);
+ if (size == GDI_ERROR)
+ {
+ glEndList( );
+ err = GetLastError();
+ success = FALSE;
+ continue;
+ }
+
+ hBits = GlobalAlloc(GHND, size+1);
+ lpBits = GlobalLock(hBits);
+
+ err =
+ GetGlyphOutline(hdc, /* handle to device context */
+ first + i, /* character to query */
+ GGO_BITMAP, /* format of data to return */
+ &gm, /* pointer to structure for metrics*/
+ size, /* size of buffer for data */
+ lpBits, /* pointer to buffer for data */
+ &mat /* pointer to transformation */
+ /* matrix structure */
+ );
+
+ if (err == GDI_ERROR)
+ {
+ GlobalUnlock(hBits);
+ GlobalFree(hBits);
+
+ glEndList( );
+ err = GetLastError();
+ success = FALSE;
+ continue;
+ }
+
+ glBitmap(gm.gmBlackBoxX,gm.gmBlackBoxY,
+ -gm.gmptGlyphOrigin.x,
+ gm.gmptGlyphOrigin.y,
+ gm.gmCellIncX,gm.gmCellIncY,
+ (const GLubyte * )lpBits);
+
+ GlobalUnlock(hBits);
+ GlobalFree(hBits);
+
+ glEndList( );
+ }
+
+ return success;
+}
+
+
+WGLAPI BOOL GLAPIENTRY wglUseFontBitmapsW(HDC hdc,DWORD first,DWORD count,DWORD listBase)
+{
+ return FALSE;
+}
+
+WGLAPI BOOL GLAPIENTRY wglUseFontOutlinesA(HDC hdc,DWORD first,DWORD count,
+ DWORD listBase,FLOAT deviation,
+ FLOAT extrusion,int format,
+ LPGLYPHMETRICSFLOAT lpgmf)
+{
+ SetLastError(0);
+ return(FALSE);
+}
+
+WGLAPI BOOL GLAPIENTRY wglUseFontOutlinesW(HDC hdc,DWORD first,DWORD count,
+ DWORD listBase,FLOAT deviation,
+ FLOAT extrusion,int format,
+ LPGLYPHMETRICSFLOAT lpgmf)
+{
+ SetLastError(0);
+ return(FALSE);
+}
+
+WGLAPI BOOL GLAPIENTRY wglDescribeLayerPlane(HDC hdc,int iPixelFormat,
+ int iLayerPlane,UINT nBytes,
+ LPLAYERPLANEDESCRIPTOR plpd)
+{
+ SetLastError(0);
+ return(FALSE);
+}
+
+WGLAPI int GLAPIENTRY wglSetLayerPaletteEntries(HDC hdc,int iLayerPlane,
+ int iStart,int cEntries,
+ CONST COLORREF *pcr)
+{
+ SetLastError(0);
+ return(0);
+}
+
+WGLAPI int GLAPIENTRY wglGetLayerPaletteEntries(HDC hdc,int iLayerPlane,
+ int iStart,int cEntries,
+ COLORREF *pcr)
+{
+ SetLastError(0);
+ return(0);
+}
+
+WGLAPI BOOL GLAPIENTRY wglRealizeLayerPalette(HDC hdc,int iLayerPlane,BOOL bRealize)
+{
+ SetLastError(0);
+ return(FALSE);
+}
+
+WGLAPI BOOL GLAPIENTRY wglSwapLayerBuffers(HDC hdc,UINT fuPlanes)
+{
+ if( !hdc )
+ {
+ WMesaSwapBuffers();
+ return(TRUE);
+ }
+ SetLastError(0);
+ return(FALSE);
+}
+
+WGLAPI int GLAPIENTRY wglChoosePixelFormat(HDC hdc,
+ CONST PIXELFORMATDESCRIPTOR *ppfd)
+{
+ int i,best = -1,bestdelta = 0x7FFFFFFF,delta,qt_valid_pix;
+
+ qt_valid_pix = qt_pix;
+ if(ppfd->nSize != sizeof(PIXELFORMATDESCRIPTOR) || ppfd->nVersion != 1)
+ {
+ SetLastError(0);
+ return(0);
+ }
+ for(i = 0;i < qt_valid_pix;i++)
+ {
+ delta = 0;
+ if(
+ (ppfd->dwFlags & PFD_DRAW_TO_WINDOW) &&
+ !(pix[i].pfd.dwFlags & PFD_DRAW_TO_WINDOW))
+ continue;
+ if(
+ (ppfd->dwFlags & PFD_DRAW_TO_BITMAP) &&
+ !(pix[i].pfd.dwFlags & PFD_DRAW_TO_BITMAP))
+ continue;
+ if(
+ (ppfd->dwFlags & PFD_SUPPORT_GDI) &&
+ !(pix[i].pfd.dwFlags & PFD_SUPPORT_GDI))
+ continue;
+ if(
+ (ppfd->dwFlags & PFD_SUPPORT_OPENGL) &&
+ !(pix[i].pfd.dwFlags & PFD_SUPPORT_OPENGL))
+ continue;
+ if(
+ !(ppfd->dwFlags & PFD_DOUBLEBUFFER_DONTCARE) &&
+ ((ppfd->dwFlags & PFD_DOUBLEBUFFER) != (pix[i].pfd.dwFlags & PFD_DOUBLEBUFFER)))
+ continue;
+ if(
+ !(ppfd->dwFlags & PFD_STEREO_DONTCARE) &&
+ ((ppfd->dwFlags & PFD_STEREO) != (pix[i].pfd.dwFlags & PFD_STEREO)))
+ continue;
+ if(ppfd->iPixelType != pix[i].pfd.iPixelType)
+ delta++;
+ if(delta < bestdelta)
+ {
+ best = i + 1;
+ bestdelta = delta;
+ if(bestdelta == 0)
+ break;
+ }
+ }
+ if(best == -1)
+ {
+ SetLastError(0);
+ return(0);
+ }
+ return(best);
+}
+
+WGLAPI int GLAPIENTRY wglDescribePixelFormat(HDC hdc,int iPixelFormat,UINT nBytes,
+ LPPIXELFORMATDESCRIPTOR ppfd)
+{
+ int qt_valid_pix;
+
+ qt_valid_pix = qt_pix;
+ if(iPixelFormat < 1 || iPixelFormat > qt_valid_pix || nBytes != sizeof(PIXELFORMATDESCRIPTOR))
+ {
+ SetLastError(0);
+ return(0);
+ }
+ *ppfd = pix[iPixelFormat - 1].pfd;
+ return(qt_valid_pix);
+}
+
+/*
+* GetProcAddress - return the address of an appropriate extension
+*/
+WGLAPI PROC GLAPIENTRY wglGetProcAddress(LPCSTR lpszProc)
+{
+ int i;
+ for(i = 0;i < qt_ext;i++)
+ if(!strcmp(lpszProc,ext[i].name))
+ return(ext[i].proc);
+
+ SetLastError(0);
+ return(NULL);
+}
+
+WGLAPI int GLAPIENTRY wglGetPixelFormat(HDC hdc)
+{
+ if(curPFD == 0)
+ {
+ SetLastError(0);
+ return(0);
+ }
+ return(curPFD);
+}
+
+WGLAPI BOOL GLAPIENTRY wglSetPixelFormat(HDC hdc,int iPixelFormat,
+ PIXELFORMATDESCRIPTOR *ppfd)
+{
+ int qt_valid_pix;
+
+ qt_valid_pix = qt_pix;
+ if(iPixelFormat < 1 || iPixelFormat > qt_valid_pix || ppfd->nSize != sizeof(PIXELFORMATDESCRIPTOR))
+ {
+ SetLastError(0);
+ return(FALSE);
+ }
+ curPFD = iPixelFormat;
+ return(TRUE);
+}
+
+WGLAPI BOOL GLAPIENTRY wglSwapBuffers(HDC hdc)
+{
+ if (ctx_current < 0)
+ return FALSE;
+
+ if(wgl_ctx[ctx_current].ctx == NULL) {
+ SetLastError(0);
+ return(FALSE);
+ }
+ WMesaSwapBuffers();
+ return(TRUE);
+}
+
+#endif /* WIN32 */
diff --git a/src/mesa/drivers/windows/wmesa.c b/src/mesa/drivers/windows/wmesa.c index 43f99f30f4..7eb13cab09 100644 --- a/src/mesa/drivers/windows/wmesa.c +++ b/src/mesa/drivers/windows/wmesa.c @@ -1,2955 +1,2971 @@ -/* $Id: wmesa.c,v 1.17 2001/05/21 14:46:33 brianp Exp $ */ - -/* - * Windows (Win32) device driver for Mesa 3.4 - * - * Original author: - * - * Copyright (C) 1996- Li Wei - * Address : Institute of Artificial Intelligence - * : & Robotics - * : Xi'an Jiaotong University - * Email : liwei@aiar.xjtu.edu.cn - * Web page : http://sun.aiar.xjtu.edu.cn - * - * This file and its associations are partially borrowed from the - * Windows NT driver for Mesa 1.8 , written by Mark Leaming - * (mark@rsinc.com). - */ - - -#define WMESA_STEREO_C - -#include <windows.h> -#include <stdio.h> -#include <stdlib.h> -#include <GL/wmesa.h> -#include "mesa_extend.h" -#include "colors.h" -#include "macros.h" -#include "context.h" -#include "dd.h" -#include "xform.h" -#include "vb.h" -#include "matrix.h" -#include "depth.h" -#include "wmesadef.h" - -#pragma warning ( disable : 4100 4133 4761 ) - -#ifdef PROFILE -// #include "profile.h" -#endif - -#ifdef DITHER -#include <wing.h> -#endif - -#ifdef __CYGWIN32__ -#include "macros.h" -#include <string.h> -#define CopyMemory memcpy -#endif - -#if !defined(NO_STEREO) - -#include "gl\glu.h" -#include "stereo.h" - -#endif -#if !defined(NO_PARALLEL) -// #include "parallel.h" -#endif - -struct DISPLAY_OPTIONS displayOptions; - -GLenum stereoCompile = GL_FALSE ; -GLenum stereoShowing = GL_FALSE ; -GLenum stereoBuffer = GL_FALSE; -#if !defined(NO_STEREO) -GLint displayList = MAXIMUM_DISPLAY_LIST ; -#endif -GLint stereo_flag = 0 ; - -/* end of added code*/ - -static PWMC Current = NULL; -WMesaContext WC = NULL; - -#ifdef NDEBUG -#define assert(ignore) ((void) 0) -#else -void Mesa_Assert(void *Cond,void *File,unsigned Line) -{ - char Msg[512]; - sprintf(Msg,"%s %s %d",Cond,File,Line); - MessageBox(NULL,Msg,"Assertion failed.",MB_OK); - exit(1); -} -#define assert(e) if (!e) Mesa_Assert(#e,__FILE__,__LINE__); -#endif - -//#define DD_GETDC (Current->hDC ) -#define DD_GETDC ((Current->db_flag) ? Current->dib.hDC : Current->hDC ) -//#define DD_GETDC ((Current->db_flag) ? Current->hDCPrimary : Current->hDCBack ) -#define DD_RELEASEDC - -//#define BEGINGDICALL if(Current->rgb_flag)wmFlushBits(Current); -#define BEGINGDICALL -//#define ENDGDICALL if(Current->rgb_flag)wmGetBits(Current); -#define ENDGDICALL - -//#define FLIP(Y) (Current->dither_flag? Y : Current->height-(Y)-1) -//#define FLIP(Y) (Current->height-(Y)-1) -//#define FLIP(Y) Y -/* - * XXX Why only flip Y coord if single buffered??? - */ -#define FLIP(Y) (Current->db_flag? Y: Current->height-(Y)-1) -#define STARTPROFILE -#define ENDPROFILE(PARA) - -#define DITHER_RGB_TO_8BIT_SETUP \ -GLubyte pixelDithered; - -#define DITHER_RGB_TO_8BIT(red, green, blue, pixel, scanline) \ -{ \ - char unsigned redtemp, greentemp, bluetemp, paletteindex; \ - redtemp = aDividedBy51[red] \ - + (aModulo51[red] > aHalftone8x8[(pixel%8)*8 \ - + scanline%8]); \ - greentemp = aDividedBy51[(char unsigned)green] \ - + (aModulo51[green] > aHalftone8x8[ \ - (pixel%8)*8 + scanline%8]); \ - bluetemp = aDividedBy51[(char unsigned)blue] \ - + (aModulo51[blue] > aHalftone8x8[ \ - (pixel%8)*8 +scanline%8]); \ - paletteindex = redtemp + aTimes6[greentemp] + aTimes36[bluetemp]; \ - pixelDithered = aWinGHalftoneTranslation[paletteindex]; \ -} - - -#ifdef DDRAW -static BOOL DDInit( WMesaContext wc, HWND hwnd); -static void DDFree( WMesaContext wc); -static HRESULT DDRestoreAll( WMesaContext wc ); -static void DDDeleteOffScreen(WMesaContext wc); -static BOOL DDCreateOffScreen(WMesaContext wc); -#endif - -static void FlushToFile(PWMC pwc, PSTR szFile); - -BOOL wmCreateBackingStore(PWMC pwc, long lxSize, long lySize); -BOOL wmDeleteBackingStore(PWMC pwc); -void wmCreatePalette( PWMC pwdc ); -BOOL wmSetDibColors(PWMC pwc); -void wmSetPixel(PWMC pwc, int iScanLine, int iPixel, BYTE r, BYTE g, BYTE b); - -void wmCreateDIBSection( - HDC hDC, - PWMC pwc, // handle of device context - CONST BITMAPINFO *pbmi, // address of structure containing bitmap size, format, and color data - UINT iUsage // color data type indicator: RGB values or palette indices - ); - - -void WMesaViewport( GLcontext *ctx, - GLint x, GLint y, GLsizei width, GLsizei height ); - - -static triangle_func choose_triangle_function( GLcontext *ctx ); - - -static void wmSetPixelFormat( PWMC wc, HDC hDC) -{ - if(wc->rgb_flag) - wc->cColorBits = GetDeviceCaps(hDC, BITSPIXEL); - else - wc->cColorBits = 8; - switch(wc->cColorBits){ - case 8: - if(wc->dither_flag != GL_TRUE) - wc->pixelformat = PF_INDEX8; - else - wc->pixelformat = PF_DITHER8; - break; - case 16: - wc->pixelformat = PF_5R6G5B; - break; - case 32: - wc->pixelformat = PF_8R8G8B; - break; - default: - wc->pixelformat = PF_BADFORMAT; - } -} - -// -// This function sets the color table of a DIB section -// to match that of the destination DC -// -BOOL /*WINAPI*/ wmSetDibColors(PWMC pwc) -{ - RGBQUAD *pColTab, *pRGB; - PALETTEENTRY *pPal, *pPE; - int i, nColors; - BOOL bRet=TRUE; - DWORD dwErr=0; - - /* Build a color table in the DIB that maps to the - selected palette in the DC. - */ - nColors = 1 << pwc->cColorBits; - pPal = (PALETTEENTRY *)malloc( nColors * sizeof(PALETTEENTRY)); - memset( pPal, 0, nColors * sizeof(PALETTEENTRY) ); - GetPaletteEntries( pwc->hGLPalette, 0, nColors, pPal ); - pColTab = (RGBQUAD *)malloc( nColors * sizeof(RGBQUAD)); - for (i = 0, pRGB = pColTab, pPE = pPal; i < nColors; i++, pRGB++, pPE++) { - pRGB->rgbRed = pPE->peRed; - pRGB->rgbGreen = pPE->peGreen; - pRGB->rgbBlue = pPE->peBlue; - } - if(pwc->db_flag) - bRet = SetDIBColorTable(pwc->dib.hDC, 0, nColors, pColTab ); - - if(!bRet) - dwErr = GetLastError(); - - free( pColTab ); - free( pPal ); - - return(bRet); -} - - -// -// Free up the dib section that was created -// -BOOL wmDeleteBackingStore(PWMC pwc) -{ - SelectObject(pwc->dib.hDC, pwc->hOldBitmap); - DeleteDC(pwc->dib.hDC); - DeleteObject(pwc->hbmDIB); - UnmapViewOfFile(pwc->dib.base); - CloseHandle(pwc->dib.hFileMap); - return TRUE; -} - - -// -// This function creates the DIB section that is used for combined -// GL and GDI calls -// -BOOL /*WINAPI*/ wmCreateBackingStore(PWMC pwc, long lxSize, long lySize) -{ - HDC hdc = pwc->hDC; - LPBITMAPINFO pbmi = &(pwc->bmi); - int iUsage; - - pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); - pbmi->bmiHeader.biWidth = lxSize; - pbmi->bmiHeader.biHeight= -lySize; - pbmi->bmiHeader.biPlanes = 1; - if(pwc->rgb_flag) - pbmi->bmiHeader.biBitCount = GetDeviceCaps(pwc->hDC, BITSPIXEL); - else - pbmi->bmiHeader.biBitCount = 8; - pbmi->bmiHeader.biCompression = BI_RGB; - pbmi->bmiHeader.biSizeImage = 0; - pbmi->bmiHeader.biXPelsPerMeter = 0; - pbmi->bmiHeader.biYPelsPerMeter = 0; - pbmi->bmiHeader.biClrUsed = 0; - pbmi->bmiHeader.biClrImportant = 0; - - iUsage = (pbmi->bmiHeader.biBitCount <= 8) ? DIB_PAL_COLORS : DIB_RGB_COLORS; - - pwc->cColorBits = pbmi->bmiHeader.biBitCount; - pwc->ScanWidth = pwc->pitch = lxSize; - - wmCreateDIBSection(hdc, pwc, pbmi, iUsage); - - if ((iUsage == DIB_PAL_COLORS) && !(pwc->hGLPalette)) { - wmCreatePalette( pwc ); - wmSetDibColors( pwc ); - } - wmSetPixelFormat(pwc, pwc->hDC); - return(TRUE); - -} - - -// -// This function copies one scan line in a DIB section to another -// -BOOL WINAPI wmSetDIBits(PWMC pwc, UINT uiScanWidth, UINT uiNumScans, UINT nBypp, UINT uiNewWidth, LPBYTE pBits) -{ - UINT uiScans = 0; - LPBYTE pDest = pwc->pbPixels; - DWORD dwNextScan = uiScanWidth; - DWORD dwNewScan = uiNewWidth; - DWORD dwScanWidth = (uiScanWidth * nBypp); - - // - // We need to round up to the nearest DWORD - // and multiply by the number of bytes per - // pixel - // - dwNextScan = (((dwNextScan * nBypp)+ 3) & ~3); - dwNewScan = (((dwNewScan * nBypp)+ 3) & ~3); - - for(uiScans = 0; uiScans < uiNumScans; uiScans++){ - CopyMemory(pDest, pBits, dwScanWidth); - pBits += dwNextScan; - pDest += dwNewScan; - } - - return(TRUE); - -} - - -BOOL wmFlush(PWMC pwc); - -/* -* Useful macros: -Modified from file osmesa.c -*/ - - -#define PIXELADDR(X,Y) ((GLubyte *)Current->pbPixels + (Current->height-Y-1)* Current->ScanWidth + (X)*nBypp) -#define PIXELADDR1( X, Y ) \ -((GLubyte *)wmesa->pbPixels + (wmesa->height-Y-1)* wmesa->ScanWidth + (X)) -#define PIXELADDR2( X, Y ) \ -((GLubyte *)wmesa->pbPixels + (wmesa->height-Y-1)* wmesa->ScanWidth + (X)*2) -#define PIXELADDR4( X, Y ) \ -((GLubyte *)wmesa->pbPixels + (wmesa->height-Y-1)* wmesa->ScanWidth + (X)*4) - - -BYTE DITHER_RGB_2_8BIT( int r, int g, int b, int x, int y); - -/* Finish all pending operations and synchronize. */ -static void finish(GLcontext* ctx) -{ - /* No op */ -} - - -// -// We cache all gl draw routines until a flush is made -// -static void flush(GLcontext* ctx) -{ - STARTPROFILE - if((Current->rgb_flag /*&& !(Current->dib.fFlushed)*/&&!(Current->db_flag)) - ||(!Current->rgb_flag)) - { - wmFlush(Current); - } - ENDPROFILE(flush) - -} - - - -/* -* Set the color index used to clear the color buffer. -*/ -static void clear_index(GLcontext* ctx, GLuint index) -{ - STARTPROFILE - Current->clearpixel = index; - ENDPROFILE(clear_index) -} - - - -/* -* Set the color used to clear the color buffer. -*/ -static void clear_color( GLcontext* ctx, const GLchan color[4] ) -{ - STARTPROFILE - Current->clearpixel = RGB(color[0], color[1], color[2]); - ENDPROFILE(clear_color) -} - - - -/* -* Clear the specified region of the color buffer using the clear color -* or index as specified by one of the two functions above. -*/ -//static void clear(GLcontext* ctx, -// GLboolean all,GLint x, GLint y, GLint width, GLint height ) -// TODO: I modified this function to match the prototype in -// dd.h. (swansma@geocities.com) - -static GLbitfield clear(GLcontext* ctx, GLbitfield mask, - GLboolean all, GLint x, GLint y, GLint width, GLint height) -{ - DWORD dwColor; - WORD wColor; - BYTE bColor; - LPDWORD lpdw = (LPDWORD)Current->pbPixels; - LPWORD lpw = (LPWORD)Current->pbPixels; - LPBYTE lpb = Current->pbPixels; - int lines; - - STARTPROFILE - - if (all){ - x=y=0; - width=Current->width; - height=Current->height; - } - if(Current->db_flag==GL_TRUE){ - UINT nBypp = Current->cColorBits / 8; - int i = 0; - int iSize = 0; - - if(nBypp ==1 ){ - /* Need rectification */ - iSize = Current->width/4; - bColor = BGR8(GetRValue(Current->clearpixel), - GetGValue(Current->clearpixel), - GetBValue(Current->clearpixel)); - wColor = MAKEWORD(bColor,bColor); - dwColor = MAKELONG(wColor, wColor); - } - if(nBypp == 2){ - iSize = Current->width / 2; - wColor = BGR16(GetRValue(Current->clearpixel), - GetGValue(Current->clearpixel), - GetBValue(Current->clearpixel)); - dwColor = MAKELONG(wColor, wColor); - } - else if(nBypp == 4){ - iSize = Current->width; - dwColor = BGR32(GetRValue(Current->clearpixel), - GetGValue(Current->clearpixel), - GetBValue(Current->clearpixel)); - } - - while(i < iSize){ - *lpdw = dwColor; - lpdw++; - i++; - } - - // - // This is the 24bit case - // - if (nBypp == 3) { - iSize = Current->width *3/4; - dwColor = BGR24(GetRValue(Current->clearpixel), - GetGValue(Current->clearpixel), - GetBValue(Current->clearpixel)); - while(i < iSize){ - *lpdw = dwColor; - lpb += nBypp; - lpdw = (LPDWORD)lpb; - i++; - } - } - - i = 0; - if (stereo_flag) - lines = height /2; - else - lines = height; - do { - memcpy(lpb, Current->pbPixels, iSize*4); - lpb += Current->ScanWidth; - i++; - } - while (i<lines-1); - } - else { // For single buffer - HDC DC=DD_GETDC; - HPEN Pen=CreatePen(PS_SOLID,1,Current->clearpixel); - HBRUSH Brush=CreateSolidBrush(Current->clearpixel); - HPEN Old_Pen=SelectObject(DC,Pen); - HBRUSH Old_Brush=SelectObject(DC,Brush); - Rectangle(DC,x,y,x+width,y+height); - SelectObject(DC,Old_Pen); - SelectObject(DC,Old_Brush); - DeleteObject(Pen); - DeleteObject(Brush); - DD_RELEASEDC; - } - - - - ENDPROFILE(clear) - - return mask; // TODO: I doubt this is correct. dd.h doesn't explain what this should - // be... -} - - - -static void enable( GLcontext* ctx, GLenum pname, GLboolean enable ) -{ - if (!Current) - return; - - if (pname == GL_DITHER) { - if(enable == GL_FALSE){ - Current->dither_flag = GL_FALSE; - if(Current->cColorBits == 8) - Current->pixelformat = PF_INDEX8; - } - else{ - if (Current->rgb_flag && Current->cColorBits == 8){ - Current->pixelformat = PF_DITHER8; - Current->dither_flag = GL_TRUE; - } - else - Current->dither_flag = GL_FALSE; - } - } -} - - - -static GLboolean set_draw_buffer( GLcontext* ctx, GLenum mode ) -{ - STARTPROFILE - /* TODO: this could be better */ - if (mode==GL_FRONT_LEFT || mode==GL_BACK_LEFT) { - return GL_TRUE; - } - else { - return GL_FALSE; - } - ENDPROFILE(set_draw_buffer) -} - - -static void set_read_buffer(GLcontext *ctx, GLframebuffer *colorBuffer, - GLenum buffer ) -{ - /* XXX todo */ - return; -} - - - -/* Return characteristics of the output buffer. */ -static void buffer_size( GLcontext* ctx, GLuint *width, GLuint *height ) -{ - int New_Size; - RECT CR; - - STARTPROFILE - GetClientRect(Current->Window,&CR); - - *width=CR.right; - *height=CR.bottom; - - New_Size=((*width)!=Current->width) || ((*height)!=Current->height); - - if (New_Size){ - Current->width=*width; - Current->height=*height; - Current->ScanWidth=Current->width; - if ((Current->ScanWidth%sizeof(long))!=0) - Current->ScanWidth+=(sizeof(long)-(Current->ScanWidth%sizeof(long))); - - if (Current->db_flag){ -#ifdef DDRAW - DDDeleteOffScreen(Current); - DDCreateOffScreen(Current); -#else - if (Current->rgb_flag==GL_TRUE && Current->dither_flag!=GL_TRUE){ - wmDeleteBackingStore(Current); - wmCreateBackingStore(Current, Current->width, Current->height); - } -#endif - } - - // Resize OsmesaBuffer if in Parallel mode -#if !defined(NO_PARALLEL) - if(parallelFlag) - PRSizeRenderBuffer(Current->width, Current->height,Current->ScanWidth, - Current->rgb_flag == GL_TRUE ? Current->pbPixels: Current->ScreenMem); -#endif - } - ENDPROFILE(buffer_size) -} - - - -/**********************************************************************/ -/***** Accelerated point, line, polygon rendering *****/ -/**********************************************************************/ - - -static void fast_rgb_points( GLcontext* ctx, GLuint first, GLuint last ) -{ - GLuint i; - // HDC DC=DD_GETDC; - PWMC pwc = Current; - - STARTPROFILE - - if (0 /*Current->gl_ctx->VB->MonoColor*/) { - /* all drawn with current color */ - for (i=first;i<=last;i++) { - if (!Current->gl_ctx->VB->ClipMask[i]) { - int x, y; - x = (GLint) Current->gl_ctx->VB->Win.data[i][0]; - y = FLIP( (GLint) Current->gl_ctx->VB->Win.data[i][1] ); - wmSetPixel(pwc, y,x,GetRValue(Current->pixel), - GetGValue(Current->pixel), GetBValue(Current->pixel)); - } - } - } - else { - /* draw points of different colors */ - for (i=first;i<=last;i++) { - if (!Current->gl_ctx->VB->ClipMask[i]) { - int x, y; - unsigned long pixel=RGB(Current->gl_ctx->VB->ColorPtr->data[i][0]*255.0, - Current->gl_ctx->VB->ColorPtr->data[i][1]*255.0, - Current->gl_ctx->VB->ColorPtr->data[i][2]*255.0); - x = (GLint) Current->gl_ctx->VB->Win.data[i][0]; - y = FLIP( (GLint) Current->gl_ctx->VB->Win.data[i][1] ); - wmSetPixel(pwc, y,x,Current->gl_ctx->VB->ColorPtr->data[i][0]*255.0, - Current->gl_ctx->VB->ColorPtr->data[i][1]*255.0, - Current->gl_ctx->VB->ColorPtr->data[i][2]*255.0); - } - } - } - // DD_RELEASEDC; - ENDPROFILE(fast_rgb_points) -} - - - -/* Return pointer to accerated points function */ -extern points_func choose_points_function( GLcontext* ctx ) -{ - STARTPROFILE - if (ctx->Point.Size==1.0 && !ctx->Point.SmoothFlag && ctx->_RasterMask==0 - && !ctx->Texture._ReallyEnabled && ctx->Visual->RGBAflag) { - ENDPROFILE(choose_points_function) - return fast_rgb_points; - } - else { - ENDPROFILE(choose_points_function) - return NULL; - } -} - - - -/* Draw a line using the color specified by Current->gl_ctx->VB->ColorPtr->data[pv] */ -static void fast_flat_rgb_line( GLcontext* ctx, GLuint v0, GLuint v1, GLuint pv ) -{ - STARTPROFILE - int x0, y0, x1, y1; - unsigned long pixel; - HDC DC=DD_GETDC; - HPEN Pen; - HPEN Old_Pen; - - if (0 /*Current->gl_ctx->VB->MonoColor*/) { - pixel = Current->pixel; /* use current color */ - } - else { - pixel = RGB(Current->gl_ctx->VB->ColorPtr->data[pv][0]*255.0, Current->gl_ctx->VB->ColorPtr->data[pv][1]*255.0, Current->gl_ctx->VB->ColorPtr->data[pv][2]*255.0); - } - - x0 = (int) Current->gl_ctx->VB->Win.data[v0][0]; - y0 = FLIP( (int) Current->gl_ctx->VB->Win.data[v0][1] ); - x1 = (int) Current->gl_ctx->VB->Win.data[v1][0]; - y1 = FLIP( (int) Current->gl_ctx->VB->Win.data[v1][1] ); - - - BEGINGDICALL - - Pen=CreatePen(PS_SOLID,1,pixel); - Old_Pen=SelectObject(DC,Pen); - MoveToEx(DC,x0,y0,NULL); - LineTo(DC,x1,y1); - SelectObject(DC,Old_Pen); - DeleteObject(Pen); - DD_RELEASEDC; - - ENDGDICALL - - ENDPROFILE(fast_flat_rgb_line) -} - - - -/* Return pointer to accerated line function */ -static line_func choose_line_function( GLcontext* ctx ) -{ - STARTPROFILE - if (ctx->Line.Width==1.0 && !ctx->Line.SmoothFlag && !ctx->Line.StippleFlag - && ctx->Light.ShadeModel==GL_FLAT && ctx->_RasterMask==0 - && !ctx->Texture._ReallyEnabled && Current->rgb_flag) { - ENDPROFILE(choose_line_function) - return fast_flat_rgb_line; - } - else { - ENDPROFILE(choose_line_function) - return NULL; - } -} - - -/**********************************************************************/ -/***** Span-based pixel drawing *****/ -/**********************************************************************/ - - -/* Write a horizontal span of 32-bit color-index pixels with a boolean mask. */ -static void write_ci32_span( const GLcontext* ctx, - GLuint n, GLint x, GLint y, - const GLuint index[], - const GLubyte mask[] ) -{ - STARTPROFILE - GLuint i; - PBYTE Mem=Current->ScreenMem+FLIP(y)*Current->ScanWidth+x; - assert(Current->rgb_flag==GL_FALSE); - for (i=0; i<n; i++) - if (mask[i]) - Mem[i]=index[i]; - ENDPROFILE(write_ci32_span) -} - - -/* Write a horizontal span of 8-bit color-index pixels with a boolean mask. */ -static void write_ci8_span( const GLcontext* ctx, - GLuint n, GLint x, GLint y, - const GLubyte index[], - const GLubyte mask[] ) -{ - STARTPROFILE - GLuint i; - PBYTE Mem=Current->ScreenMem+FLIP(y)*Current->ScanWidth+x; - assert(Current->rgb_flag==GL_FALSE); - for (i=0; i<n; i++) - if (mask[i]) - Mem[i]=index[i]; - ENDPROFILE(write_ci8_span) -} - - - -/* -* Write a horizontal span of pixels with a boolean mask. The current -* color index is used for all pixels. -*/ -static void write_mono_ci_span(const GLcontext* ctx, - GLuint n,GLint x,GLint y, - GLuint colorIndex, const GLubyte mask[]) -{ - STARTPROFILE - GLuint i; - BYTE *Mem=Current->ScreenMem+FLIP(y)*Current->ScanWidth+x; - assert(Current->rgb_flag==GL_FALSE); - for (i=0; i<n; i++) - if (mask[i]) - Mem[i]=colorIndex; - ENDPROFILE(write_mono_ci_span) -} - -/* - * To improve the performance of this routine, frob the data into an actual - * scanline and call bitblt on the complete scan line instead of SetPixel. - */ - -/* Write a horizontal span of RGBA color pixels with a boolean mask. */ -static void write_rgba_span( const GLcontext* ctx, GLuint n, GLint x, GLint y, - const GLubyte rgba[][4], const GLubyte mask[] ) -{ - STARTPROFILE - PWMC pwc = Current; - - if (pwc->rgb_flag==GL_TRUE) - { - GLuint i; - HDC DC=DD_GETDC; - y=FLIP(y); - if (mask) { - for (i=0; i<n; i++) - if (mask[i]) - wmSetPixel(pwc, y, x + i, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]); - } - else { - for (i=0; i<n; i++) - wmSetPixel(pwc, y, x + i, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); - } - DD_RELEASEDC; - } - else - { - GLuint i; - BYTE *Mem=Current->ScreenMem+y*Current->ScanWidth+x; - y = FLIP(y); - if (mask) { - for (i=0; i<n; i++) - if (mask[i]) - Mem[i] = GetNearestPaletteIndex(Current->hPal,RGB(rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP])); - } - else { - for (i=0; i<n; i++) - Mem[i] = GetNearestPaletteIndex(Current->hPal,RGB(rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP])); - } - } - ENDPROFILE(write_rgba_span) - -} - -/* Write a horizontal span of RGB color pixels with a boolean mask. */ -static void write_rgb_span( const GLcontext* ctx, - GLuint n, GLint x, GLint y, - const GLubyte rgb[][3], const GLubyte mask[] ) -{ - STARTPROFILE - PWMC pwc = Current; - - if (pwc->rgb_flag==GL_TRUE) - { - GLuint i; - HDC DC=DD_GETDC; - y=FLIP(y); - if (mask) { - for (i=0; i<n; i++) - if (mask[i]) - wmSetPixel(pwc, y, x + i, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]); - } - else { - for (i=0; i<n; i++) - wmSetPixel(pwc, y, x + i, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ); - } - DD_RELEASEDC; - } - else - { - GLuint i; - BYTE *Mem=Current->ScreenMem+y*Current->ScanWidth+x; - y = FLIP(y); - if (mask) { - for (i=0; i<n; i++) - if (mask[i]) - Mem[i] = GetNearestPaletteIndex(Current->hPal,RGB(rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP])); - } - else { - for (i=0; i<n; i++) - Mem[i] = GetNearestPaletteIndex(Current->hPal,RGB(rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP])); - } - } - ENDPROFILE(write_rgb_span) - -} - -/* -* Write a horizontal span of pixels with a boolean mask. The current color -* is used for all pixels. -*/ -static void write_mono_rgba_span( const GLcontext* ctx, - GLuint n, GLint x, GLint y, - const GLchan color[4], const GLubyte mask[]) -{ - ULONG pixel = RGB( color[RCOMP], color[GCOMP], color[BCOMP] ); - STARTPROFILE - GLuint i; - HDC DC=DD_GETDC; - PWMC pwc = Current; - assert(Current->rgb_flag==GL_TRUE); - y=FLIP(y); - if(Current->rgb_flag==GL_TRUE){ - for (i=0; i<n; i++) - if (mask[i]) - // Trying - wmSetPixel(pwc,y,x+i,color[RCOMP], color[GCOMP], color[BCOMP]); - } - else { - for (i=0; i<n; i++) - if (mask[i]) - SetPixel(DC, y, x+i, pixel); - } - DD_RELEASEDC; - ENDPROFILE(write_mono_rgba_span) -} - - - -/**********************************************************************/ -/***** Array-based pixel drawing *****/ -/**********************************************************************/ - - -/* Write an array of 32-bit index pixels with a boolean mask. */ -static void write_ci32_pixels( const GLcontext* ctx, - GLuint n, const GLint x[], const GLint y[], - const GLuint index[], const GLubyte mask[] ) -{ - STARTPROFILE - GLuint i; - assert(Current->rgb_flag==GL_FALSE); - for (i=0; i<n; i++) { - if (mask[i]) { - BYTE *Mem=Current->ScreenMem+FLIP(y[i])*Current->ScanWidth+x[i]; - *Mem = index[i]; - } - } - ENDPROFILE(write_ci32_pixels) -} - - - -/* -* Write an array of pixels with a boolean mask. The current color -* index is used for all pixels. -*/ -static void write_mono_ci_pixels( const GLcontext* ctx, - GLuint n, - const GLint x[], const GLint y[], - GLuint colorIndex, const GLubyte mask[] ) -{ - STARTPROFILE - GLuint i; - assert(Current->rgb_flag==GL_FALSE); - for (i=0; i<n; i++) { - if (mask[i]) { - BYTE *Mem=Current->ScreenMem+FLIP(y[i])*Current->ScanWidth+x[i]; - *Mem = colorIndex; - } - } - ENDPROFILE(write_mono_ci_pixels) -} - - - -/* Write an array of RGBA pixels with a boolean mask. */ -static void write_rgba_pixels( const GLcontext* ctx, - GLuint n, const GLint x[], const GLint y[], - const GLubyte rgba[][4], const GLubyte mask[] ) -{ - STARTPROFILE - GLuint i; - PWMC pwc = Current; - HDC DC=DD_GETDC; - assert(Current->rgb_flag==GL_TRUE); - for (i=0; i<n; i++) - if (mask[i]) - wmSetPixel(pwc, FLIP(y[i]), x[i], - rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]); - DD_RELEASEDC; - ENDPROFILE(write_rgba_pixels) -} - - - -/* -* Write an array of pixels with a boolean mask. The current color -* is used for all pixels. -*/ -static void write_mono_rgba_pixels( const GLcontext* ctx, - GLuint n, - const GLint x[], const GLint y[], - const GLchan color[4], - const GLubyte mask[] ) -{ - STARTPROFILE - GLuint i; - PWMC pwc = Current; - HDC DC=DD_GETDC; - assert(Current->rgb_flag==GL_TRUE); - for (i=0; i<n; i++) - if (mask[i]) - wmSetPixel(pwc, FLIP(y[i]),x[i],color[RCOMP], - color[GCOMP], color[BCOMP]); - DD_RELEASEDC; - ENDPROFILE(write_mono_rgba_pixels) -} - - - -/**********************************************************************/ -/***** Read spans/arrays of pixels *****/ -/**********************************************************************/ - - -/* Read a horizontal span of color-index pixels. */ -static void read_ci32_span( const GLcontext* ctx, GLuint n, GLint x, GLint y, - GLuint index[]) -{ - STARTPROFILE - GLuint i; - BYTE *Mem=Current->ScreenMem+FLIP(y)*Current->ScanWidth+x; - assert(Current->rgb_flag==GL_FALSE); - for (i=0; i<n; i++) - index[i]=Mem[i]; - ENDPROFILE(read_ci32_span) -} - - - - -/* Read an array of color index pixels. */ -static void read_ci32_pixels( const GLcontext* ctx, - GLuint n, const GLint x[], const GLint y[], - GLuint indx[], const GLubyte mask[] ) -{ - STARTPROFILE - GLuint i; - assert(Current->rgb_flag==GL_FALSE); - for (i=0; i<n; i++) { - if (mask[i]) { - indx[i]=*(Current->ScreenMem+FLIP(y[i])*Current->ScanWidth+x[i]); - } - } - ENDPROFILE(read_ci32_pixels) -} - - - -/* Read a horizontal span of color pixels. */ -static void read_rgba_span( const GLcontext* ctx, - GLuint n, GLint x, GLint y, - GLubyte rgba[][4] ) -{ - STARTPROFILE - UINT i; - COLORREF Color; - HDC DC=DD_GETDC; - assert(Current->rgb_flag==GL_TRUE); - /* y=FLIP(y);*/ - y = Current->height - y - 1; - for (i=0; i<n; i++) { - Color=GetPixel(DC,x+i,y); - rgba[i][RCOMP] = GetRValue(Color); - rgba[i][GCOMP] = GetGValue(Color); - rgba[i][BCOMP] = GetBValue(Color); - rgba[i][ACOMP] = 255; - } - DD_RELEASEDC; -// Brian P. Has mentioned to comment this out. -// memset(alpha,0,n*sizeof(GLubyte)); - ENDPROFILE(read_rgba_span) -} - - -/* Read an array of color pixels. */ -static void read_rgba_pixels( const GLcontext* ctx, - GLuint n, const GLint x[], const GLint y[], - GLubyte rgba[][4], const GLubyte mask[] ) -{ - STARTPROFILE - GLuint i; - COLORREF Color; - HDC DC=DD_GETDC; - assert(Current->rgb_flag==GL_TRUE); - for (i=0; i<n; i++) { - if (mask[i]) { - GLint y2 = Current->height - y[i] - 1; - Color=GetPixel(DC,x[i],y2); - rgba[i][RCOMP] = GetRValue(Color); - rgba[i][GCOMP] = GetGValue(Color); - rgba[i][BCOMP] = GetBValue(Color); - rgba[i][ACOMP] = 255; - } - } - DD_RELEASEDC; -// Brian P. has mentioned to comment this out. -// memset(alpha,0,n*sizeof(GLint)); - ENDPROFILE(read_rgba_pixels) -} - - - -/**********************************************************************/ -/**********************************************************************/ - - -static const GLubyte *get_string(GLcontext *ctx, GLenum name) -{ - if (name == GL_RENDERER) { - return (GLubyte *) "Mesa Windows"; - } - else { - return NULL; - } -} - - - -void setup_DD_pointers( GLcontext* ctx ) -{ - ctx->Driver.GetString = get_string; - ctx->Driver.UpdateState = setup_DD_pointers; - ctx->Driver.GetBufferSize = buffer_size; - ctx->Driver.Finish = finish; - ctx->Driver.Flush = flush; - - ctx->Driver.ClearIndex = clear_index; - ctx->Driver.ClearColor = clear_color; - ctx->Driver.Clear = clear; - - ctx->Driver.Enable = enable; - - ctx->Driver.SetDrawBuffer = set_draw_buffer; - ctx->Driver.SetReadBuffer = set_read_buffer; - ctx->Driver.GetBufferSize = buffer_size; - - ctx->Driver.PointsFunc = choose_points_function(ctx); - ctx->Driver.LineFunc = choose_line_function(ctx); - ctx->Driver.TriangleFunc = choose_triangle_function( ctx ); - - /* Pixel/span writing functions: */ - ctx->Driver.WriteRGBASpan = write_rgba_span; - ctx->Driver.WriteRGBSpan = write_rgb_span; - ctx->Driver.WriteMonoRGBASpan = write_mono_rgba_span; - ctx->Driver.WriteRGBAPixels = write_rgba_pixels; - ctx->Driver.WriteMonoRGBAPixels = write_mono_rgba_pixels; - ctx->Driver.WriteCI32Span = write_ci32_span; - ctx->Driver.WriteCI8Span = write_ci8_span; - ctx->Driver.WriteMonoCISpan = write_mono_ci_span; - ctx->Driver.WriteCI32Pixels = write_ci32_pixels; - ctx->Driver.WriteMonoCIPixels = write_mono_ci_pixels; - - ctx->Driver.ReadCI32Span = read_ci32_span; - ctx->Driver.ReadRGBASpan = read_rgba_span; - ctx->Driver.ReadCI32Pixels = read_ci32_pixels; - ctx->Driver.ReadRGBAPixels = read_rgba_pixels; -} - - -/**********************************************************************/ -/***** WMesa API Functions *****/ -/**********************************************************************/ - - - -#define PAL_SIZE 256 -static void GetPalette(HPALETTE Pal,RGBQUAD *aRGB) -{ - STARTPROFILE - int i; - HDC hdc; - struct - { - WORD Version; - WORD NumberOfEntries; - PALETTEENTRY aEntries[PAL_SIZE]; - } Palette = - { - 0x300, - PAL_SIZE - }; - hdc=GetDC(NULL); - if (Pal!=NULL) - GetPaletteEntries(Pal,0,PAL_SIZE,Palette.aEntries); - else - GetSystemPaletteEntries(hdc,0,PAL_SIZE,Palette.aEntries); - if (GetSystemPaletteUse(hdc) == SYSPAL_NOSTATIC) - { - for(i = 0; i <PAL_SIZE; i++) - Palette.aEntries[i].peFlags = PC_RESERVED; - Palette.aEntries[255].peRed = 255; - Palette.aEntries[255].peGreen = 255; - Palette.aEntries[255].peBlue = 255; - Palette.aEntries[255].peFlags = 0; - Palette.aEntries[0].peRed = 0; - Palette.aEntries[0].peGreen = 0; - Palette.aEntries[0].peBlue = 0; - Palette.aEntries[0].peFlags = 0; - } - else - { - int nStaticColors; - int nUsableColors; - nStaticColors = GetDeviceCaps(hdc, NUMCOLORS)/2; - for (i=0; i<nStaticColors; i++) - Palette.aEntries[i].peFlags = 0; - nUsableColors = PAL_SIZE-nStaticColors; - for (; i<nUsableColors; i++) - Palette.aEntries[i].peFlags = PC_RESERVED; - for (; i<PAL_SIZE-nStaticColors; i++) - Palette.aEntries[i].peFlags = PC_RESERVED; - for (i=PAL_SIZE-nStaticColors; i<PAL_SIZE; i++) - Palette.aEntries[i].peFlags = 0; - } - ReleaseDC(NULL,hdc); - for (i=0; i<PAL_SIZE; i++) - { - aRGB[i].rgbRed=Palette.aEntries[i].peRed; - aRGB[i].rgbGreen=Palette.aEntries[i].peGreen; - aRGB[i].rgbBlue=Palette.aEntries[i].peBlue; - aRGB[i].rgbReserved=Palette.aEntries[i].peFlags; - } - ENDPROFILE(GetPalette) -} - - -WMesaContext WMesaCreateContext( HWND hWnd, HPALETTE* Pal, - GLboolean rgb_flag, - GLboolean db_flag ) -{ - RECT CR; - WMesaContext c; - GLboolean true_color_flag; - c = (struct wmesa_context * ) calloc(1,sizeof(struct wmesa_context)); - if (!c) - return NULL; - - c->Window=hWnd; - c->hDC = GetDC(hWnd); - true_color_flag = GetDeviceCaps(c->hDC, BITSPIXEL) > 8; -#ifdef DDRAW - if(true_color_flag) c->rgb_flag = rgb_flag = GL_TRUE; -#endif - - -#ifdef DITHER - if ((true_color_flag==GL_FALSE) && (rgb_flag == GL_TRUE)){ - c->dither_flag = GL_TRUE; - c->hPalHalfTone = WinGCreateHalftonePalette(); - } - else - c->dither_flag = GL_FALSE; -#else - c->dither_flag = GL_FALSE; -#endif - - - if (rgb_flag==GL_FALSE) - { - c->rgb_flag = GL_FALSE; - // c->pixel = 1; - c->db_flag = db_flag =GL_TRUE; // WinG requires double buffering - printf("Single buffer is not supported in color index mode, setting to double buffer.\n"); - } - else - { - c->rgb_flag = GL_TRUE; - // c->pixel = 0; - } - GetClientRect(c->Window,&CR); - c->width=CR.right; - c->height=CR.bottom; - if (db_flag) - { - c->db_flag = 1; - /* Double buffered */ -#ifndef DDRAW - // if (c->rgb_flag==GL_TRUE && c->dither_flag != GL_TRUE ) - { - wmCreateBackingStore(c, c->width, c->height); - - } -#endif - } - else - { - /* Single Buffered */ - if (c->rgb_flag) - c->db_flag = 0; - } -#ifdef DDRAW - if (DDInit(c,hWnd) == GL_FALSE) { - free( (void *) c ); - exit(1); - } -#endif - - - c->gl_visual = _mesa_create_visual(rgb_flag, - db_flag, /* db_flag */ - GL_FALSE, /* stereo */ - 8,8,8,8, /* r, g, b, a bits */ - 0, /* index bits */ - 16, /* depth_bits */ - 8, /* stencil_bits */ - 16,16,16,16,/* accum_bits */ - 1); - - if (!c->gl_visual) { - return NULL; - } - - /* allocate a new Mesa context */ - c->gl_ctx = _mesa_create_context( c->gl_visual, NULL, c, GL_TRUE); - - if (!c->gl_ctx) { - _mesa_destroy_visual( c->gl_visual ); - free(c); - return NULL; - } - - _mesa_enable_sw_extensions(c->gl_ctx); - - c->gl_buffer = _mesa_create_framebuffer( c->gl_visual, - c->gl_visual->DepthBits > 0, - c->gl_visual->StencilBits > 0, - c->gl_visual->AccumRedBits > 0, - c->gl_visual->AlphaBits > 0 ); - if (!c->gl_buffer) { - _mesa_destroy_visual( c->gl_visual ); - _mesa_destroy_context( c->gl_ctx ); - free(c); - return NULL; - } - - c->gl_ctx->Driver.UpdateState = setup_DD_pointers; - - // setup_DD_pointers(c->gl_ctx); - - return c; -} - -void WMesaDestroyContext( void ) -{ - WMesaContext c = Current; - ReleaseDC(c->Window,c->hDC); - WC = c; - if(c->hPalHalfTone != NULL) - DeleteObject(c->hPalHalfTone); - _mesa_destroy_visual( c->gl_visual ); - _mesa_destroy_framebuffer( c->gl_buffer ); - _mesa_destroy_context( c->gl_ctx ); - - if (c->db_flag) -#ifdef DDRAW - DDFree(c); -#else - wmDeleteBackingStore(c); -#endif - free( (void *) c ); - //Following code is added to enable parallel render - // Parallel render only work in double buffer mode -#if !defined(NO_PARALLEL) - if(parallelMachine) - PRDestroyRenderBuffer(); -#endif - // End modification -} - - - -void /*APIENTRY*/ WMesaMakeCurrent( WMesaContext c ) -{ - if(!c){ - Current = c; - return; - } - - // - // A little optimization - // If it already is current, - // don't set it again - // - if(Current == c) - return; - - //gl_set_context( c->gl_ctx ); - _mesa_make_current(c->gl_ctx, c->gl_buffer); - setup_DD_pointers(c->gl_ctx); - Current = c; - if (Current->gl_ctx->Viewport.Width==0) { - /* initialize viewport to window size */ - _mesa_set_viewport( Current->gl_ctx, - 0, 0, Current->width, Current->height ); - } - if ((c->cColorBits <= 8 ) && (c->rgb_flag == GL_TRUE)){ - WMesaPaletteChange(c->hPalHalfTone); - } -} - - - -void /*APIENTRY*/ WMesaSwapBuffers( void ) -{ - HDC DC = Current->hDC; - GET_CURRENT_CONTEXT(ctx); - - /* If we're swapping the buffer associated with the current context - * we have to flush any pending rendering commands first. - */ - if (Current && Current->gl_ctx == ctx) - _mesa_swapbuffers(ctx); - - if (Current->db_flag) - wmFlush(Current); -} - - - -void /*APIENTRY*/ WMesaPaletteChange(HPALETTE Pal) -{ - int vRet; - LPPALETTEENTRY pPal; - if (Current && (Current->rgb_flag==GL_FALSE || Current->dither_flag == GL_TRUE)) - { - pPal = (PALETTEENTRY *)malloc( 256 * sizeof(PALETTEENTRY)); - Current->hPal=Pal; - // GetPaletteEntries( Pal, 0, 256, pPal ); - GetPalette( Pal, pPal ); -#ifdef DDRAW - Current->lpDD->lpVtbl->CreatePalette(Current->lpDD,DDPCAPS_8BIT, - pPal, &(Current->lpDDPal), NULL); - if (Current->lpDDPal) - Current->lpDDSPrimary->lpVtbl->SetPalette(Current->lpDDSPrimary,Current->lpDDPal); -#else - vRet = SetDIBColorTable(Current->dib.hDC,0,256,pPal); -#endif - free( pPal ); - } - -} - - - - -static unsigned char threeto8[8] = { - 0, 0111>>1, 0222>>1, 0333>>1, 0444>>1, 0555>>1, 0666>>1, 0377 -}; - -static unsigned char twoto8[4] = { - 0, 0x55, 0xaa, 0xff -}; - -static unsigned char oneto8[2] = { - 0, 255 -}; - -static unsigned char componentFromIndex(UCHAR i, UINT nbits, UINT shift) -{ - unsigned char val; - - val = i >> shift; - switch (nbits) { - - case 1: - val &= 0x1; - return oneto8[val]; - - case 2: - val &= 0x3; - return twoto8[val]; - - case 3: - val &= 0x7; - return threeto8[val]; - - default: - return 0; - } -} - -void /*WINAPI*/ wmCreatePalette( PWMC pwdc ) -{ - /* Create a compressed and re-expanded 3:3:2 palette */ - int i; - LOGPALETTE *pPal; - BYTE rb, rs, gb, gs, bb, bs; - - pwdc->nColors = 0x100; - - pPal = (PLOGPALETTE)malloc(sizeof(LOGPALETTE) + pwdc->nColors * sizeof(PALETTEENTRY)); - memset( pPal, 0, sizeof(LOGPALETTE) + pwdc->nColors * sizeof(PALETTEENTRY) ); - - pPal->palVersion = 0x300; - - rb = REDBITS; - rs = REDSHIFT; - gb = GREENBITS; - gs = GREENSHIFT; - bb = BLUEBITS; - bs = BLUESHIFT; - - if (pwdc->db_flag) { - - /* Need to make two palettes: one for the screen DC and one for the DIB. */ - pPal->palNumEntries = pwdc->nColors; - for (i = 0; i < pwdc->nColors; i++) { - pPal->palPalEntry[i].peRed = componentFromIndex( i, rb, rs ); - pPal->palPalEntry[i].peGreen = componentFromIndex( i, gb, gs ); - pPal->palPalEntry[i].peBlue = componentFromIndex( i, bb, bs ); - pPal->palPalEntry[i].peFlags = 0; - } - pwdc->hGLPalette = CreatePalette( pPal ); - pwdc->hPalette = CreatePalette( pPal ); - } - - else { - pPal->palNumEntries = pwdc->nColors; - for (i = 0; i < pwdc->nColors; i++) { - pPal->palPalEntry[i].peRed = componentFromIndex( i, rb, rs ); - pPal->palPalEntry[i].peGreen = componentFromIndex( i, gb, gs ); - pPal->palPalEntry[i].peBlue = componentFromIndex( i, bb, bs ); - pPal->palPalEntry[i].peFlags = 0; - } - pwdc->hGLPalette = CreatePalette( pPal ); - } - - free(pPal); - -} - -void /*WINAPI*/ wmSetPixel(PWMC pwc, int iScanLine, int iPixel, BYTE r, BYTE g, BYTE b) -{ - if (Current->db_flag) { - LPBYTE lpb = pwc->pbPixels; - LPDWORD lpdw; - LPWORD lpw; - UINT nBypp = pwc->cColorBits >> 3; - UINT nOffset = iPixel % nBypp; - - // Move the pixel buffer pointer to the scanline that we - // want to access - - // pwc->dib.fFlushed = FALSE; - - lpb += pwc->ScanWidth * iScanLine; - // Now move to the desired pixel - lpb += iPixel * nBypp; - lpb = PIXELADDR(iPixel, iScanLine); - lpdw = (LPDWORD)lpb; - lpw = (LPWORD)lpb; - - if(nBypp == 1){ - if(pwc->dither_flag) - *lpb = DITHER_RGB_2_8BIT(r,g,b,iScanLine,iPixel); - else - *lpb = BGR8(r,g,b); - } - else if(nBypp == 2) - *lpw = BGR16(r,g,b); - else if (nBypp == 3){ - *lpdw = BGR24(r,g,b); - } - else if (nBypp == 4) - *lpdw = BGR32(r,g,b); - } - else{ - SetPixel(Current->hDC, iPixel, iScanLine, RGB(r,g,b)); - DD_RELEASEDC; - } -} - -void /*WINAPI*/ wmCreateDIBSection( - HDC hDC, - PWMC pwc, // handle of device context - CONST BITMAPINFO *pbmi, // address of structure containing bitmap size, format, and color data - UINT iUsage // color data type indicator: RGB values or palette indices - ) -{ - DWORD dwSize = 0; - DWORD dwScanWidth; - UINT nBypp = pwc->cColorBits / 8; - HDC hic; - - dwScanWidth = (((pwc->ScanWidth * nBypp)+ 3) & ~3); - - pwc->ScanWidth =pwc->pitch = dwScanWidth; - - if (stereo_flag) - pwc->ScanWidth = 2* pwc->pitch; - - dwSize = sizeof(BITMAPINFO) + (dwScanWidth * pwc->height); - - pwc->dib.hFileMap = CreateFileMapping((HANDLE)PAGE_FILE, - NULL, - PAGE_READWRITE | SEC_COMMIT, - 0, - dwSize, - NULL); - - if (!pwc->dib.hFileMap) - return; - - pwc->dib.base = MapViewOfFile(pwc->dib.hFileMap, - FILE_MAP_ALL_ACCESS, - 0, - 0, - 0); - - if(!pwc->dib.base){ - CloseHandle(pwc->dib.hFileMap); - return; - } - - // pwc->pbPixels = pwc->addrOffScreen = ((LPBYTE)pwc->dib.base) + sizeof(BITMAPINFO); - - // pwc->dib.hDC = CreateCompatibleDC(hDC); - - CopyMemory(pwc->dib.base, pbmi, sizeof(BITMAPINFO)); - - hic = CreateIC("display", NULL, NULL, NULL); - pwc->dib.hDC = CreateCompatibleDC(hic); - - - /* pwc->hbmDIB = CreateDIBitmap(hic, - &(pwc->bmi.bmiHeader), - CBM_INIT, - pwc->pbPixels, - &(pwc->bmi), - DIB_RGB_COLORS); - */ - pwc->hbmDIB = CreateDIBSection(hic, - &(pwc->bmi), - (iUsage ? DIB_PAL_COLORS : DIB_RGB_COLORS), - &(pwc->pbPixels), - pwc->dib.hFileMap, - 0); - /* - pwc->hbmDIB = CreateDIBSection(hic, - &(pwc->bmi), - DIB_RGB_COLORS, - &(pwc->pbPixels), - pwc->dib.hFileMap, - 0); - */ - pwc->ScreenMem = pwc->addrOffScreen = pwc->pbPixels; - pwc->hOldBitmap = SelectObject(pwc->dib.hDC, pwc->hbmDIB); - - DeleteDC(hic); - - return; - -} - -// -// Blit memory DC to screen DC -// -BOOL /*WINAPI*/ wmFlush(PWMC pwc) -{ - BOOL bRet = 0; - DWORD dwErr = 0; -#ifdef DDRAW - HRESULT ddrval; -#endif - - // Now search through the torus frames and mark used colors - if(pwc->db_flag){ -#ifdef DDRAW - if (pwc->lpDDSOffScreen == NULL) - if(DDCreateOffScreen(pwc) == GL_FALSE) - return; - - pwc->lpDDSOffScreen->lpVtbl->Unlock(pwc->lpDDSOffScreen, NULL); - - while( 1 ) - { - ddrval = pwc->lpDDSPrimary->lpVtbl->Blt( pwc->lpDDSPrimary, - &(pwc->rectSurface), pwc->lpDDSOffScreen, &(pwc->rectOffScreen), 0, NULL ); - - if( ddrval == DD_OK ) - { - break; - } - if( ddrval == DDERR_SURFACELOST ) - { - if(!DDRestoreAll(pwc)) - { - break; - } - } - if( ddrval != DDERR_WASSTILLDRAWING ) - { - break; - } - } - - while (pwc->lpDDSOffScreen->lpVtbl->Lock(pwc->lpDDSOffScreen, - NULL, &(pwc->ddsd), 0, NULL) == DDERR_WASSTILLDRAWING) - ; - - if(ddrval != DD_OK) - dwErr = GetLastError(); -#else - bRet = BitBlt(pwc->hDC, 0, 0, pwc->width, pwc->height, - pwc->dib.hDC, 0, 0, SRCCOPY); -#endif - } - - return(TRUE); - -} - - -// The following code is added by Li Wei to enable stereo display - -#if !defined(NO_STEREO) - -void WMesaShowStereo(GLuint list) -{ - - GLbitfield mask = GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT; - GLfloat cm[16]; - GLint matrix_mode; - // Must use double Buffer - if( ! Current-> db_flag ) - return; - - - glGetIntegerv(GL_MATRIX_MODE,&matrix_mode); - - // glPushMatrix(); //**** - WMesaViewport(Current->gl_ctx,0,Current->height/2,Current->width,Current->height/2); - // Current->gl_ctx->NewState = 0; - - // glViewport(0,0,Current->width,Current->height/2); - if(matrix_mode!=GL_MODELVIEW) - glMatrixMode(GL_MODELVIEW); - - glGetFloatv(GL_MODELVIEW_MATRIX,cm); - glLoadIdentity(); - gluLookAt(viewDistance/2,0.0,0.0 , - viewDistance/2,0.0,-1.0, - 0.0,1.0,0.0 ); - // glTranslatef(viewDistance/2.0,0.,0.); - glMultMatrixf( cm ); - - Current->ScreenMem = Current->pbPixels = Current->addrOffScreen; - //glPushMatrix(); - glCallList( list ); - //glPopMatrix(); - - glGetFloatv(GL_MODELVIEW_MATRIX,cm); - glLoadIdentity(); - gluLookAt(-viewDistance/2,0.0,0.0 , - -viewDistance/2,0.0,-1.0, - 0.0,1.0,0.0 ); - // glTranslatef(-viewDistance/2.0,0.,0.); - glMultMatrixf(cm); - - Current->ScreenMem = Current->pbPixels = Current->addrOffScreen + Current->pitch; - glCallList(list); - if(matrix_mode!=GL_MODELVIEW) - glMatrixMode(matrix_mode); - - // glPopMatrix(); - glFlush(); - - WMesaViewport(Current->gl_ctx,0,0,Current->width,Current->height); - // Current->gl_ctx->NewState = 0; - WMesaSwapBuffers(); - -} - -void toggleStereoMode() -{ - if(!Current->db_flag) - return; - if(!stereo_flag){ - stereo_flag = 1; - if(stereoBuffer==GL_FALSE) -#if !defined(NO_PARALLEL) - if(!parallelFlag) -#endif - { - Current->ScanWidth = Current->pitch*2; - } - } - else { - stereo_flag = 0; -#if !defined(NO_PARALLEL) - if(!parallelFlag) -#endif - Current->ScanWidth = Current->pitch; - Current->pbPixels = Current->addrOffScreen; - } -} - -/* if in stereo mode, the following function is called */ -void glShowStereo(GLuint list) -{ - WMesaShowStereo(list); -} - -#endif // End if NO_STEREO not defined - -#if !defined(NO_PARALLEL) - -void toggleParallelMode(void) -{ - if(!parallelFlag){ - parallelFlag = GL_TRUE; - if(parallelMachine==GL_FALSE){ - PRCreateRenderBuffer( Current->rgb_flag? GL_RGBA :GL_COLOR_INDEX, - Current->cColorBits/8, - Current->width ,Current->height, - Current->ScanWidth, - Current->rgb_flag? Current->pbPixels: Current->ScreenMem); - parallelMachine = GL_TRUE; - } - } - else { - parallelFlag = GL_FALSE; - if(parallelMachine==GL_TRUE){ - PRDestroyRenderBuffer(); - parallelMachine=GL_FALSE; - ReadyForNextFrame = GL_TRUE; - } - - /*********************************************** - // Seems something wrong!!!! - ************************************************/ - - WMesaMakeCurrent(Current); -#if !defined(NO_STEREO) - stereo_flag = GL_FALSE ; -#endif - } -} - -void PRShowRenderResult(void) -{ - int flag = 0; - if(!glImageRendered()) - return; - - if (parallelFlag) - { - WMesaSwapBuffers(); - } - -} -#endif //End if NO_PARALLEL not defined - -//end modification - -BYTE DITHER_RGB_2_8BIT( int red, int green, int blue, int pixel, int scanline) -{ - char unsigned redtemp, greentemp, bluetemp, paletteindex; - - //*** now, look up each value in the halftone matrix - //*** using an 8x8 ordered dither. - redtemp = aDividedBy51[red] - + (aModulo51[red] > aHalftone8x8[(pixel%8)*8 - + scanline%8]); - greentemp = aDividedBy51[(char unsigned)green] - + (aModulo51[green] > aHalftone8x8[ - (pixel%8)*8 + scanline%8]); - bluetemp = aDividedBy51[(char unsigned)blue] - + (aModulo51[blue] > aHalftone8x8[ - (pixel%8)*8 +scanline%8]); - - //*** recombine the halftoned rgb values into a palette index - paletteindex = - redtemp + aTimes6[greentemp] + aTimes36[bluetemp]; - - //*** and translate through the wing halftone palette - //*** translation vector to give the correct value. - return aWinGHalftoneTranslation[paletteindex]; -} - -#ifdef DDRAW -/* -* restoreAll -* -* restore all lost objects -*/ -HRESULT DDRestoreAll( WMesaContext wc ) -{ - HRESULT ddrval; - - ddrval = wc->lpDDSPrimary->lpVtbl->Restore(wc->lpDDSPrimary); - if( ddrval == DD_OK ) - { - ddrval = wc->lpDDSOffScreen->lpVtbl->Restore(wc->lpDDSOffScreen); - } - return ddrval; - -} /* restoreAll */ - - - /* - * This function is called if the initialization function fails -*/ -BOOL initFail( HWND hwnd, WMesaContext wc ) -{ - DDFree(wc); - MessageBox( hwnd, "DirectDraw Init FAILED", "", MB_OK ); - return FALSE; - -} /* initFail */ - - -static void DDDeleteOffScreen(WMesaContext wc) -{ - if( wc->lpDDSOffScreen != NULL ) - { - wc->lpDDSOffScreen->lpVtbl->Unlock(wc->lpDDSOffScreen,NULL); - wc->lpDDSOffScreen->lpVtbl->Release(wc->lpDDSOffScreen); - wc->lpDDSOffScreen = NULL; - } - -} - -static void DDFreePrimarySurface(WMesaContext wc) -{ - if( wc->lpDDSPrimary != NULL ) - { - if(wc->db_flag == GL_FALSE) - wc->lpDDSPrimary->lpVtbl->ReleaseDC(wc->lpDDSPrimary, wc->hDC); - wc->lpDDSPrimary->lpVtbl->Release(wc->lpDDSPrimary); - wc->lpDDSPrimary = NULL; - } -} - -static BOOL DDCreatePrimarySurface(WMesaContext wc) -{ - HRESULT ddrval; - DDSCAPS ddscaps; - wc->ddsd.dwSize = sizeof( wc->ddsd ); - wc->ddsd.dwFlags = DDSD_CAPS; - wc->ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE; - - ddrval = wc->lpDD->lpVtbl->CreateSurface( wc->lpDD,&(wc->ddsd), &(wc->lpDDSPrimary), NULL ); - if( ddrval != DD_OK ) - { - return initFail(wc->hwnd , wc); - } - if(wc->db_flag == GL_FALSE) - wc->lpDDSPrimary->lpVtbl->GetDC(wc->lpDDSPrimary, wc->hDC); - return TRUE; -} - -static BOOL DDCreateOffScreen(WMesaContext wc) -{ - POINT pt; - HRESULT ddrval; - if(wc->lpDD == NULL) - return FALSE; - GetClientRect( wc->hwnd, &(wc->rectOffScreen) ); - wc->ddsd.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH; - wc->ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN; - wc->ddsd.dwHeight = wc->rectOffScreen.bottom - wc->rectOffScreen.top; - wc->ddsd.dwWidth = wc->rectOffScreen.right - wc->rectOffScreen.left; - - ddrval = wc->lpDD->lpVtbl->CreateSurface( wc->lpDD, &(wc->ddsd), &(wc->lpDDSOffScreen), NULL ); - if( ddrval != DD_OK ) - { - return FALSE; - } - - while (wc->lpDDSOffScreen->lpVtbl->Lock(wc->lpDDSOffScreen,NULL, &(wc->ddsd), 0, NULL) == DDERR_WASSTILLDRAWING) - ; - // while ((ddrval = wc->lpDDSOffScreen->lpVtbl->Lock(wc->lpDDSOffScreen,NULL, &(wc->ddsd), DDLOCK_SURFACEMEMORYPTR , NULL)) != DD_OK) - ; - if(wc->ddsd.lpSurface==NULL) - return initFail(wc->hwnd, wc); - - wc->ScreenMem = wc->pbPixels = wc->addrOffScreen = (PBYTE)(wc->ddsd.lpSurface); - wc->ScanWidth = wc->pitch = wc->ddsd.lPitch; - if (stereo_flag) - wc->ScanWidth = wc->ddsd.lPitch*2; - - GetClientRect( wc->hwnd, &(wc->rectSurface) ); - pt.x = pt.y = 0; - ClientToScreen( wc->hwnd, &pt ); - OffsetRect(&(wc->rectSurface), pt.x, pt.y); - wmSetPixelFormat(wc, wc->hDC); - return TRUE; -} - -/* -* doInit - do work required for every instance of the application: -* create the window, initialize data -*/ -static BOOL DDInit( WMesaContext wc, HWND hwnd) -{ - HRESULT ddrval; - DWORD dwFrequency; - - LPDIRECTDRAW lpDD; // DirectDraw object - LPDIRECTDRAW2 lpDD2; - - - wc->fullScreen = displayOptions.fullScreen; - wc->gMode = displayOptions.mode; - wc->hwnd = hwnd; - stereo_flag = displayOptions.stereo; - if(wc->db_flag!= GL_TRUE) - stereo_flag = GL_FALSE; - /* - * create the main DirectDraw object - */ - ddrval = DirectDrawCreate( NULL, &(wc->lpDD), NULL ); - if( ddrval != DD_OK ) - { - return initFail(hwnd,wc); - } - - // Get exclusive mode if requested - if(wc->fullScreen) - { - ddrval = wc->lpDD->lpVtbl->SetCooperativeLevel( wc->lpDD, hwnd, DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN ); - } - else - { - ddrval = wc->lpDD->lpVtbl->SetCooperativeLevel( wc->lpDD, hwnd, DDSCL_NORMAL ); - } - if( ddrval != DD_OK ) - { - return initFail(hwnd , wc); - } - - - /* ddrval = wc->lpDD->lpVtbl->QueryInterface(wc->lpDD, IID_IDirectDraw2, - (LPVOID *)((wc->lpDD2))); - - */ - if(ddrval != DD_OK) - return initFail(hwnd , wc); - - - //ddrval = wc->lpDD->lpVtbl->GetDisplayMode( wc->lpDD, &(wc->ddsd)); - // wc->lpDD2->lpVtbl->GetMonitorFrequency(wc->lpDD, &dwFrequency); - switch( wc->gMode ) - { - case 1: ddrval = wc->lpDD->lpVtbl->SetDisplayMode( wc->lpDD, 640, 480, displayOptions.bpp); break; - case 2: ddrval = wc->lpDD->lpVtbl->SetDisplayMode( wc->lpDD, 800, 600, displayOptions.bpp); break; - case 3: ddrval = wc->lpDD->lpVtbl->SetDisplayMode( wc->lpDD, 1024, 768, displayOptions.bpp); break; - case 4: ddrval = wc->lpDD->lpVtbl->SetDisplayMode( wc->lpDD, 1152, 864, displayOptions.bpp); break; - case 5: ddrval = wc->lpDD->lpVtbl->SetDisplayMode( wc->lpDD, 1280, 1024, displayOptions.bpp); break; - } - - if( ddrval != DD_OK ) - { - printf("Can't modify display mode, current mode used\n"); - // return initFail(hwnd , wc); - } - //ddrval = wc->lpDD->lpVtbl->GetDisplayMode( wc->lpDD, &(wc->ddsd)); - switch(ddrval){ - case DDERR_INVALIDOBJECT: - break; - case DDERR_INVALIDPARAMS: - break; - case DDERR_UNSUPPORTEDMODE: - ; - } - - if(DDCreatePrimarySurface(wc) == GL_FALSE) - return initFail(hwnd, wc); - - if(wc->db_flag) - return DDCreateOffScreen(wc); -} /* DDInit */ - -static void DDFree( WMesaContext wc) -{ - if( wc->lpDD != NULL ) - { - DDFreePrimarySurface(wc); - DDDeleteOffScreen(wc); - wc->lpDD->lpVtbl->Release(wc->lpDD); - wc->lpDD = NULL; - } - // Clean up the screen on exit - RedrawWindow( NULL, NULL, NULL, RDW_INVALIDATE | RDW_ERASE | - RDW_ALLCHILDREN ); - -} -#endif - -void WMesaMove(void) -{ - WMesaContext wc = Current; - POINT pt; - if (Current != NULL){ - GetClientRect( wc->hwnd, &(wc->rectSurface) ); - pt.x = pt.y = 0; - ClientToScreen( wc->hwnd, &pt ); - OffsetRect(&(wc->rectSurface), pt.x, pt.y); - } -} - - - -/* -* Like PACK_8A8B8G8R() but don't use alpha. This is usually an acceptable -* shortcut. -*/ -#define PACK_8B8G8R( R, G, B ) ( ((B) << 16) | ((G) << 8) | (R) ) - - -/**********************************************************************/ -/*** Triangle rendering ***/ -/**********************************************************************/ - -/* - * XImage, smooth, depth-buffered, PF_8A8B8G8R triangle. - */ -static void smooth_8A8B8G8R_z_triangle( GLcontext *ctx, - GLuint v0, GLuint v1, GLuint v2, - GLuint pv ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; -#define INTERP_Z 1 -#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE -#define INTERP_RGB 1 -#define PIXEL_ADDRESS(X,Y) PIXELADDR4(X,Y) -#define PIXEL_TYPE GLuint - //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line) -#define BYTES_PER_ROW (wmesa->ScanWidth) -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint i, len = RIGHT-LEFT; \ - for (i=0;i<len;i++) { \ - GLdepth z = FixedToDepth(ffz); \ - if (z < zRow[i]) { \ - pRow[i] = PACK_8B8G8R( FixedToInt(ffr), FixedToInt(ffg), \ - FixedToInt(ffb) ); \ - zRow[i] = z; \ - } \ - ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \ - ffz += fdzdx; \ - } \ - } - -#ifdef __MINGW32__ - #include "tritemp.h" -#else - - #ifdef WIN32 - #include "..\tritemp.h" - #else - #include "tritemp.h" - #endif -#endif -} - - -/* -* XImage, smooth, depth-buffered, PF_8R8G8B triangle. -*/ -static void smooth_8R8G8B_z_triangle( GLcontext *ctx, - GLuint v0, GLuint v1, GLuint v2, - GLuint pv ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; -#define INTERP_Z 1 -#define INTERP_RGB 1 -#define PIXEL_ADDRESS(X,Y) PIXELADDR4(X,Y) -#define PIXEL_TYPE GLuint - //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line) -#define BYTES_PER_ROW (wmesa->ScanWidth) -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint i, len = RIGHT-LEFT; \ - for (i=0;i<len;i++) { \ - GLdepth z = FixedToDepth(ffz); \ - if (z < zRow[i]) { \ - pRow[i] = PACK_8R8G8B( FixedToInt(ffr), FixedToInt(ffg), \ - FixedToInt(ffb) ); \ - zRow[i] = z; \ - } \ - ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \ - ffz += fdzdx; \ - } \ - } -#ifdef __MINGW32__ - #include "tritemp.h" -#else - - #ifdef WIN32 - #include "..\tritemp.h" - #else - #include "tritemp.h" - #endif -#endif -} - - - -/* -* XImage, smooth, depth-buffered, PF_5R6G5B triangle. -*/ -static void smooth_5R6G5B_z_triangle( GLcontext *ctx, - GLuint v0, GLuint v1, GLuint v2, - GLuint pv ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; -#define INTERP_Z 1 -#define INTERP_RGB 1 -#define PIXEL_ADDRESS(X,Y) PIXELADDR2(X,Y) -#define PIXEL_TYPE GLushort - //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line) -#define BYTES_PER_ROW (wmesa->ScanWidth) -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint i, len = RIGHT-LEFT; \ - for (i=0;i<len;i++) { \ - GLdepth z = FixedToDepth(ffz); \ - if (z < zRow[i]) { \ - pRow[i] = PACK_5R6G5B( FixedToInt(ffr), FixedToInt(ffg), \ - FixedToInt(ffb) ); \ - zRow[i] = z; \ - } \ - ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \ - ffz += fdzdx; \ - } \ - } -#ifdef __MINGW32__ - #include "tritemp.h" -#else - - #ifdef WIN32 - #include "..\tritemp.h" - #else - #include "tritemp.h" - #endif -#endif -} - -/* -* XImage, flat, depth-buffered, PF_8A8B8G8R triangle. -*/ -static void flat_8A8B8G8R_z_triangle( GLcontext *ctx, GLuint v0, - GLuint v1, GLuint v2, GLuint pv ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; -#define INTERP_Z 1 -#define PIXEL_ADDRESS(X,Y) PIXELADDR4(X,Y) -#define PIXEL_TYPE GLuint - //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line) -#define BYTES_PER_ROW (wmesa->ScanWidth) -#define SETUP_CODE \ - unsigned long p = PACK_8B8G8R( VB->ColorPtr->data[pv][0], \ - VB->ColorPtr->data[pv][1], VB->ColorPtr->data[pv][2] ); -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint i, len = RIGHT-LEFT; \ - for (i=0;i<len;i++) { \ - GLdepth z = FixedToDepth(ffz); \ - if (z < zRow[i]) { \ - pRow[i] = p; \ - zRow[i] = z; \ - } \ - ffz += fdzdx; \ - } \ - } -#ifdef __MINGW32__ - #include "tritemp.h" -#else - - #ifdef WIN32 - #include "..\tritemp.h" - #else - #include "tritemp.h" - #endif -#endif -} - - -/* -* XImage, flat, depth-buffered, PF_8R8G8B triangle. -*/ -static void flat_8R8G8B_z_triangle( GLcontext *ctx, GLuint v0, GLuint v1, - GLuint v2, GLuint pv ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; -#define INTERP_Z 1 -#define PIXEL_ADDRESS(X,Y) PIXELADDR4(X,Y) -#define PIXEL_TYPE GLuint - //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line) -#define BYTES_PER_ROW (wmesa->ScanWidth) -#define SETUP_CODE \ - unsigned long p = PACK_8R8G8B( VB->ColorPtr->data[pv][0], \ - VB->ColorPtr->data[pv][1], VB->ColorPtr->data[pv][2] ); -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint i, len = RIGHT-LEFT; \ - for (i=0;i<len;i++) { \ - GLdepth z = FixedToDepth(ffz); \ - if (z < zRow[i]) { \ - pRow[i] = p; \ - zRow[i] = z; \ - } \ - ffz += fdzdx; \ - } \ - } -#ifdef __MINGW32__ - #include "tritemp.h" -#else - - #ifdef WIN32 - #include "..\tritemp.h" - #else - #include "tritemp.h" - #endif -#endif -} - - -/* -* XImage, flat, depth-buffered, PF_5R6G5B triangle. -*/ -static void flat_5R6G5B_z_triangle( GLcontext *ctx, GLuint v0, GLuint v1, - GLuint v2, GLuint pv ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; -#define INTERP_Z 1 -#define PIXEL_ADDRESS(X,Y) PIXELADDR2(X,Y) -#define PIXEL_TYPE GLushort - //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line) -#define BYTES_PER_ROW (wmesa->ScanWidth) -#define SETUP_CODE \ - unsigned long p = PACK_5R6G5B( VB->ColorPtr->data[pv][0], \ - VB->ColorPtr->data[pv][1], VB->ColorPtr->data[pv][2] ); -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint i, len = RIGHT-LEFT; \ - for (i=0;i<len;i++) { \ - GLdepth z = FixedToDepth(ffz); \ - if (z < zRow[i]) { \ - pRow[i] = p; \ - zRow[i] = z; \ - } \ - ffz += fdzdx; \ - } \ - } -#ifdef __MINGW32__ - #include "tritemp.h" -#else - - #ifdef WIN32 - #include "..\tritemp.h" - #else - #include "tritemp.h" - #endif -#endif -} - - -/* -* XImage, smooth, NON-depth-buffered, PF_8A8B8G8R triangle. -*/ -static void smooth_8A8B8G8R_triangle( GLcontext *ctx, GLuint v0, GLuint v1, - GLuint v2, GLuint pv ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; -#define INTERP_RGB 1 -#define PIXEL_ADDRESS(X,Y) PIXELADDR4(X,Y) -#define PIXEL_TYPE GLuint - //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line) -#define BYTES_PER_ROW (wmesa->ScanWidth) -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint xx; \ - PIXEL_TYPE *pixel = pRow; \ - for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \ - *pixel = PACK_8B8G8R( FixedToInt(ffr), FixedToInt(ffg), \ - FixedToInt(ffb) ); \ - ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \ - } \ - } -#ifdef __MINGW32__ - #include "tritemp.h" -#else - - #ifdef WIN32 - #include "..\tritemp.h" - #else - #include "tritemp.h" - #endif -#endif -} - - -/* -* XImage, smooth, NON-depth-buffered, PF_8R8G8B triangle. -*/ -static void smooth_8R8G8B_triangle( GLcontext *ctx, GLuint v0, GLuint v1, - GLuint v2, GLuint pv ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; -#define INTERP_RGB 1 -#define PIXEL_ADDRESS(X,Y) PIXELADDR4(X,Y) -#define PIXEL_TYPE GLuint - //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line) -#define BYTES_PER_ROW (wmesa->ScanWidth) -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint xx; \ - PIXEL_TYPE *pixel = pRow; \ - for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \ - *pixel = PACK_8R8G8B( FixedToInt(ffr), FixedToInt(ffg), \ - FixedToInt(ffb) ); \ - ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \ - } \ - } -#ifdef __MINGW32__ - #include "tritemp.h" -#else - - #ifdef WIN32 - #include "..\tritemp.h" - #else - #include "tritemp.h" - #endif -#endif -} - - -/* -* XImage, smooth, NON-depth-buffered, PF_5R6G5B triangle. -*/ -static void smooth_5R6G5B_triangle( GLcontext *ctx, GLuint v0, GLuint v1, - GLuint v2, GLuint pv ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; -#define INTERP_RGB 1 -#define PIXEL_ADDRESS(X,Y) PIXELADDR2(X,Y) -#define PIXEL_TYPE GLushort - //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line) -#define BYTES_PER_ROW (wmesa->ScanWidth) -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint xx; \ - PIXEL_TYPE *pixel = pRow; \ - for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \ - *pixel = PACK_5R6G5B( FixedToInt(ffr), FixedToInt(ffg), \ - FixedToInt(ffb) ); \ - ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \ - } \ - } -#ifdef __MINGW32__ - #include "tritemp.h" -#else - - #ifdef WIN32 - #include "..\tritemp.h" - #else - #include "tritemp.h" - #endif -#endif -} - - - -/* -* XImage, flat, NON-depth-buffered, PF_8A8B8G8R triangle. -*/ -static void flat_8A8B8G8R_triangle( GLcontext *ctx, GLuint v0, - GLuint v1, GLuint v2, GLuint pv ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; -#define PIXEL_ADDRESS(X,Y) PIXELADDR4(X,Y) -#define PIXEL_TYPE GLuint - //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line) -#define BYTES_PER_ROW (wmesa->ScanWidth) -#define SETUP_CODE \ - unsigned long p = PACK_8B8G8R( VB->ColorPtr->data[pv][0], \ - VB->ColorPtr->data[pv][1], VB->ColorPtr->data[pv][2] ); -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint xx; \ - PIXEL_TYPE *pixel = pRow; \ - for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \ - *pixel = p; \ - } \ - } - -#ifdef __MINGW32__ - #include "tritemp.h" -#else - - #ifdef WIN32 - #include "..\tritemp.h" - #else - #include "tritemp.h" - #endif -#endif -} - - -/* -* XImage, flat, NON-depth-buffered, PF_8R8G8B triangle. -*/ -static void flat_8R8G8B_triangle( GLcontext *ctx, GLuint v0, GLuint v1, - GLuint v2, GLuint pv ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; -#define PIXEL_ADDRESS(X,Y) PIXELADDR4(X,Y) -#define PIXEL_TYPE GLuint - //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line) -#define BYTES_PER_ROW (wmesa->ScanWidth) -#define SETUP_CODE \ - unsigned long p = PACK_8R8G8B( VB->ColorPtr->data[pv][0], \ - VB->ColorPtr->data[pv][1], VB->ColorPtr->data[pv][2] ); -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint xx; \ - PIXEL_TYPE *pixel = pRow; \ - for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \ - *pixel = p; \ - } \ - } -#ifdef __MINGW32__ - #include "tritemp.h" -#else - - #ifdef WIN32 - #include "..\tritemp.h" - #else - #include "tritemp.h" - #endif -#endif -} - - -/* -* XImage, flat, NON-depth-buffered, PF_5R6G5B triangle. -*/ -static void flat_5R6G5B_triangle( GLcontext *ctx, GLuint v0, GLuint v1, - GLuint v2, GLuint pv ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; -#define PIXEL_ADDRESS(X,Y) PIXELADDR2(X,Y) -#define PIXEL_TYPE GLushort - //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line) -#define BYTES_PER_ROW (wmesa->ScanWidth) -#define SETUP_CODE \ - unsigned long p = PACK_5R6G5B( VB->ColorPtr->data[pv][0], \ - VB->ColorPtr->data[pv][1], VB->ColorPtr->data[pv][2] ); -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint xx; \ - PIXEL_TYPE *pixel = pRow; \ - for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \ - *pixel = p; \ - } \ - } -#ifdef __MINGW32__ - #include "tritemp.h" -#else - - #ifdef WIN32 - #include "..\tritemp.h" - #else - #include "tritemp.h" - #endif -#endif -} - - -/* -* XImage, smooth, depth-buffered, 8-bit PF_LOOKUP triangle. -*/ - -static void smooth_ci_z_triangle( GLcontext *ctx, GLuint v0, GLuint v1, - GLuint v2, GLuint pv ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; -#define INTERP_Z 1 -#define INTERP_INDEX 1 -#define PIXEL_ADDRESS(X,Y) PIXELADDR1(X,Y) -#define PIXEL_TYPE GLubyte -#define BYTES_PER_ROW (wmesa->ScanWidth) -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint i, len = RIGHT-LEFT; \ - for (i=0;i<len;i++) { \ - GLdepth z = FixedToDepth(ffz); \ - if (z < zRow[i]) { \ - pRow[i] = FixedToInt(ffi); \ - zRow[i] = z; \ - } \ - ffi += fdidx; \ - ffz += fdzdx; \ - } \ - } -#ifdef __MINGW32__ - #include "tritemp.h" -#else - - #ifdef WIN32 - #include "..\tritemp.h" - #else - #include "tritemp.h" - #endif -#endif -} - - -/* -* XImage, flat, depth-buffered, 8-bit PF_LOOKUP triangle. -*/ - -static void flat_ci_z_triangle( GLcontext *ctx, GLuint v0, GLuint v1, - GLuint v2, GLuint pv ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; -#define INTERP_Z 1 -#define PIXEL_ADDRESS(X,Y) PIXELADDR1(X,Y) -#define PIXEL_TYPE GLubyte -#define BYTES_PER_ROW (wmesa->ScanWidth) -#define SETUP_CODE \ - GLuint index = VB->IndexPtr->data[pv]; \ - (*ctx->Driver.Index)( ctx, index ); -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint i, len = RIGHT-LEFT; \ - for (i=0;i<len;i++) { \ - GLdepth z = FixedToDepth(ffz); \ - if (z < zRow[i]) { \ - pRow[i] = index; \ - zRow[i] = z; \ - } \ - ffz += fdzdx; \ - } \ - } -#ifdef __MINGW32__ - #include "tritemp.h" -#else - - #ifdef WIN32 - #include "..\tritemp.h" - #else - #include "tritemp.h" - #endif -#endif -} - - - -/* -* XImage, smooth, NON-depth-buffered, 8-bit PF_LOOKUP triangle. -*/ - -static void smooth_ci_triangle( GLcontext *ctx, GLuint v0, GLuint v1, - GLuint v2, GLuint pv ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; -#define INTERP_Z 1 -#define INTERP_INDEX 1 -#define PIXEL_ADDRESS(X,Y) PIXELADDR1(X,Y) -#define PIXEL_TYPE GLubyte -#define BYTES_PER_ROW (wmesa->ScanWidth) -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint xx; \ - PIXEL_TYPE *pixel = pRow; \ - for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \ - *pixel = FixedToInt(ffi); \ - ffi += fdidx; \ - } \ - } -#ifdef __MINGW32__ - #include "tritemp.h" -#else - - #ifdef WIN32 - #include "..\tritemp.h" - #else - #include "tritemp.h" - #endif -#endif -} - - -/* -* XImage, flat, NON-depth-buffered, 8-bit PF_LOOKUP triangle. -*/ -static void flat_ci_triangle( GLcontext *ctx, GLuint v0, GLuint v1, - GLuint v2, GLuint pv ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; -#define INTERP_Z 1 -#define PIXEL_ADDRESS(X,Y) PIXELADDR1(X,Y) -#define PIXEL_TYPE GLubyte -#define BYTES_PER_ROW (wmesa->ScanWidth) -#define SETUP_CODE \ - GLuint index = VB->IndexPtr->data[pv]; \ - (*ctx->Driver.Index)( ctx, index ); -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint xx; \ - PIXEL_TYPE *pixel = pRow; \ - for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \ - *pixel = index; \ - } \ - } -#ifdef __MINGW32__ - #include "tritemp.h" -#else - - #ifdef WIN32 - #include "..\tritemp.h" - #else - #include "tritemp.h" - #endif -#endif -} - -/* -* XImage, smooth, depth-buffered, 8-bit, PF_DITHER8 triangle. -*/ -static void smooth_DITHER8_z_triangle( GLcontext *ctx, - GLuint v0, GLuint v1, GLuint v2, - GLuint pv ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; - DITHER_RGB_TO_8BIT_SETUP -#define INTERP_Z 1 -#define INTERP_RGB 1 -#define PIXEL_ADDRESS(X,Y) PIXELADDR1(X,Y) -#define PIXEL_TYPE GLubyte -#define BYTES_PER_ROW (wmesa->ScanWidth) -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint i, xx = LEFT, yy = FLIP(Y), len = RIGHT-LEFT; \ - for (i=0;i<len;i++,xx++) { \ - GLdepth z = FixedToDepth(ffz); \ - if (z < zRow[i]) { \ - DITHER_RGB_TO_8BIT( FixedToInt(ffr), FixedToInt(ffg), \ - FixedToInt(ffb), xx, yy); \ - pRow[i] = pixelDithered; \ - zRow[i] = z; \ - } \ - ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \ - ffz += fdzdx; \ - } \ - } -#ifdef __MINGW32__ - #include "tritemp.h" -#else - - #ifdef WIN32 - #include "..\tritemp.h" - #else - #include "tritemp.h" - #endif -#endif -} - -/* -* XImage, flat, depth-buffered, 8-bit PF_DITHER triangle. -*/ -static void flat_DITHER8_z_triangle( GLcontext *ctx, GLuint v0, GLuint v1, - GLuint v2, GLuint pv ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; - DITHER_RGB_TO_8BIT_SETUP -#define INTERP_Z 1 -#define PIXEL_ADDRESS(X,Y) PIXELADDR1(X,Y) -#define PIXEL_TYPE GLubyte -#define BYTES_PER_ROW (wmesa->ScanWidth) - -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint i, xx = LEFT, yy = FLIP(Y), len = RIGHT-LEFT; \ - for (i=0;i<len;i++,xx++) { \ - GLdepth z = FixedToDepth(ffz); \ - if (z < zRow[i]) { \ - DITHER_RGB_TO_8BIT( VB->ColorPtr->data[pv][0], \ - VB->ColorPtr->data[pv][1], VB->ColorPtr->data[pv][2], xx, yy); \ - pRow[i] = pixelDithered; \ - zRow[i] = z; \ - } \ - ffz += fdzdx; \ - } \ - } -#ifdef __MINGW32__ - #include "tritemp.h" -#else - - #ifdef WIN32 - #include "..\tritemp.h" - #else - #include "tritemp.h" - #endif -#endif -} - -/* -* XImage, smooth, NON-depth-buffered, 8-bit PF_DITHER triangle. -*/ -static void smooth_DITHER8_triangle( GLcontext *ctx, GLuint v0, GLuint v1, - GLuint v2, GLuint pv ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; - DITHER_RGB_TO_8BIT_SETUP -#define INTERP_RGB 1 -#define PIXEL_ADDRESS(X,Y) PIXELADDR1(X,Y) -#define PIXEL_TYPE GLubyte -#define BYTES_PER_ROW (wmesa->ScanWidth) -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint xx, yy = FLIP(Y); \ - PIXEL_TYPE *pixel = pRow; \ - for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \ - DITHER_RGB_TO_8BIT( VB->ColorPtr->data[pv][0], VB->ColorPtr->data[pv][1], VB->ColorPtr->data[pv][2], xx, yy);\ - *pixel = pixelDithered; \ - ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \ - } \ - } -#ifdef __MINGW32__ - #include "tritemp.h" -#else - - #ifdef WIN32 - #include "..\tritemp.h" - #else - #include "tritemp.h" - #endif -#endif -} - -/* -* XImage, flat, NON-depth-buffered, 8-bit PF_DITHER triangle. -*/ - -static void flat_DITHER8_triangle( GLcontext *ctx, GLuint v0, GLuint v1, - GLuint v2, GLuint pv ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; - DITHER_RGB_TO_8BIT_SETUP -#define PIXEL_ADDRESS(X,Y) PIXELADDR1(X,Y) -#define PIXEL_TYPE GLubyte -#define BYTES_PER_ROW (wmesa->ScanWidth) - -#define INNER_LOOP( LEFT, RIGHT, Y ) \ - { \ - GLint xx, yy = FLIP(Y); \ - PIXEL_TYPE *pixel = pRow; \ - for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \ - DITHER_RGB_TO_8BIT( VB->ColorPtr->data[pv][0], \ - VB->ColorPtr->data[pv][1], VB->ColorPtr->data[pv][2], xx, yy); \ - *pixel = pixelDithered; \ - } \ - } -#ifdef __MINGW32__ - #include "tritemp.h" -#else - - #ifdef WIN32 - #include "..\tritemp.h" - #else - #include "tritemp.h" - #endif -#endif -} - - - - -static triangle_func choose_triangle_function( GLcontext *ctx ) -{ - WMesaContext wmesa = (WMesaContext) ctx->DriverCtx; - int depth = wmesa->cColorBits; - - if (ctx->Polygon.SmoothFlag) return NULL; - if (ctx->Texture._ReallyEnabled) return NULL; - if (!wmesa->db_flag) return NULL; - /*if (wmesa->xm_buffer->buffer==XIMAGE)*/ { - if ( ctx->Light.ShadeModel==GL_SMOOTH - && ctx->_RasterMask==DEPTH_BIT - && ctx->Depth.Func==GL_LESS - && ctx->Depth.Mask==GL_TRUE - && ctx->Polygon.StippleFlag==GL_FALSE) { - switch (wmesa->pixelformat) { - case PF_8A8B8G8R: - return smooth_8A8B8G8R_z_triangle; - case PF_8R8G8B: - return smooth_8R8G8B_z_triangle; - case PF_5R6G5B: - return smooth_5R6G5B_z_triangle; - case PF_DITHER8: - return smooth_DITHER8_z_triangle; - case PF_INDEX8: - return smooth_ci_z_triangle; - default: - return NULL; - } - } - if ( ctx->Light.ShadeModel==GL_FLAT - && ctx->_RasterMask==DEPTH_BIT - && ctx->Depth.Func==GL_LESS - && ctx->Depth.Mask==GL_TRUE - && ctx->Polygon.StippleFlag==GL_FALSE) { - switch (wmesa->pixelformat) { - case PF_8A8B8G8R: - return flat_8A8B8G8R_z_triangle; - case PF_8R8G8B: - return flat_8R8G8B_z_triangle; - case PF_5R6G5B: - return flat_5R6G5B_z_triangle; - case PF_DITHER8: - return flat_DITHER8_z_triangle; - case PF_INDEX8: - return flat_ci_z_triangle; - default: - return NULL; - } - } - if ( ctx->_RasterMask==0 /* no depth test */ - && ctx->Light.ShadeModel==GL_SMOOTH - && ctx->Polygon.StippleFlag==GL_FALSE) { - switch (wmesa->pixelformat) { - case PF_8A8B8G8R: - return smooth_8A8B8G8R_triangle; - case PF_8R8G8B: - return smooth_8R8G8B_triangle; - case PF_5R6G5B: - return smooth_5R6G5B_triangle; - case PF_DITHER8: - return smooth_DITHER8_triangle; - case PF_INDEX8: - return smooth_ci_triangle; - default: - return NULL; - } - } - - if ( ctx->_RasterMask==0 /* no depth test */ - && ctx->Light.ShadeModel==GL_FLAT - && ctx->Polygon.StippleFlag==GL_FALSE) { - switch (wmesa->pixelformat) { - case PF_8A8B8G8R: - return flat_8A8B8G8R_triangle; - case PF_8R8G8B: - return flat_8R8G8B_triangle; - case PF_5R6G5B: - return flat_5R6G5B_triangle; - case PF_DITHER8: - return flat_DITHER8_triangle; - case PF_INDEX8: - return flat_ci_triangle; - default: - return NULL; - } - } - - return NULL; - } -} - -/* -* Define a new viewport and reallocate auxillary buffers if the size of -* the window (color buffer) has changed. -*/ -void WMesaViewport( GLcontext *ctx, - GLint x, GLint y, GLsizei width, GLsizei height ) -{ - /* Save viewport */ - ctx->Viewport.X = x; - ctx->Viewport.Width = width; - ctx->Viewport.Y = y; - ctx->Viewport.Height = height; - - /* compute scale and bias values */ -/* Pre-Keith 3.1 changes - ctx->Viewport.Map.m[Sx] = (GLfloat) width / 2.0F; - ctx->Viewport.Map.m[Tx] = ctx->Viewport.Sx + x; - ctx->Viewport.Map.m[Sy] = (GLfloat) height / 2.0F; - ctx->Viewport.Map.m[Ty] = ctx->Viewport.Sy + y; -*/ - ctx->Viewport.WindowMap.m[MAT_SX] = (GLfloat) width / 2.0F; - ctx->Viewport.WindowMap.m[MAT_TX] = ctx->Viewport.WindowMap.m[MAT_SX] + x; - ctx->Viewport.WindowMap.m[MAT_SY] = (GLfloat) height / 2.0F; - ctx->Viewport.WindowMap.m[MAT_TY] = ctx->Viewport.WindowMap.m[MAT_SY] + y; -} +/* $Id: wmesa.c,v 1.18 2001/09/14 22:19:19 brianp Exp $ */
+
+/*
+ * Windows (Win32) device driver for Mesa 3.4
+ *
+ * Original author:
+ *
+ * Copyright (C) 1996- Li Wei
+ * Address : Institute of Artificial Intelligence
+ * : & Robotics
+ * : Xi'an Jiaotong University
+ * Email : liwei@aiar.xjtu.edu.cn
+ * Web page : http://sun.aiar.xjtu.edu.cn
+ *
+ * This file and its associations are partially borrowed from the
+ * Windows NT driver for Mesa 1.8 , written by Mark Leaming
+ * (mark@rsinc.com).
+ */
+
+
+#define WMESA_STEREO_C
+
+#include <windows.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <GL/wmesa.h>
+#include "mesa_extend.h"
+#include "colors.h"
+#include "macros.h"
+#include "context.h"
+#include "dd.h"
+//#include "xform.h"
+//#include "vb.h"
+#include "matrix.h"
+#include "depth.h"
+#include "wmesadef.h"
+
+#pragma warning ( disable : 4100 4133 4761 )
+
+#ifdef PROFILE
+// #include "profile.h"
+#endif
+
+#ifdef DITHER
+#include <wing.h>
+#endif
+
+#ifdef __CYGWIN32__
+#include "macros.h"
+#include <string.h>
+#define CopyMemory memcpy
+#endif
+
+#if !defined(NO_STEREO)
+
+#include "gl\glu.h"
+#include "stereo.h"
+
+#endif
+#if !defined(NO_PARALLEL)
+ #include "parallel.h"
+#endif
+
+struct DISPLAY_OPTIONS displayOptions;
+
+GLenum stereoCompile = GL_FALSE ;
+GLenum stereoShowing = GL_FALSE ;
+GLenum stereoBuffer = GL_FALSE;
+#if !defined(NO_STEREO)
+GLint displayList = MAXIMUM_DISPLAY_LIST ;
+#endif
+GLint stereo_flag = 0 ;
+
+/* end of added code*/
+
+static PWMC Current = NULL;
+WMesaContext WC = NULL;
+
+#ifdef NDEBUG
+#define assert(ignore) ((void) 0)
+#else
+void Mesa_Assert(void *Cond,void *File,unsigned Line)
+{
+ char Msg[512];
+ sprintf(Msg,"%s %s %d",Cond,File,Line);
+ MessageBox(NULL,Msg,"Assertion failed.",MB_OK);
+ exit(1);
+}
+#define assert(e) if (!e) Mesa_Assert(#e,__FILE__,__LINE__);
+#endif
+
+//#define DD_GETDC (Current->hDC )
+#define DD_GETDC ((Current->db_flag) ? Current->dib.hDC : Current->hDC )
+//#define DD_GETDC ((Current->db_flag) ? Current->hDCPrimary : Current->hDCBack )
+#define DD_RELEASEDC
+
+//#define BEGINGDICALL if(Current->rgb_flag)wmFlushBits(Current);
+#define BEGINGDICALL
+//#define ENDGDICALL if(Current->rgb_flag)wmGetBits(Current);
+#define ENDGDICALL
+
+//#define FLIP(Y) (Current->dither_flag? Y : Current->height-(Y)-1)
+//#define FLIP(Y) (Current->height-(Y)-1)
+//#define FLIP(Y) Y
+/*
+ * XXX Why only flip Y coord if single buffered???
+ */
+#define FLIP(Y) (Current->db_flag? Y: Current->height-(Y)-1)
+#define STARTPROFILE
+#define ENDPROFILE(PARA)
+
+#define DITHER_RGB_TO_8BIT_SETUP \
+GLubyte pixelDithered;
+
+#define DITHER_RGB_TO_8BIT(red, green, blue, pixel, scanline) \
+{ \
+ char unsigned redtemp, greentemp, bluetemp, paletteindex; \
+ redtemp = aDividedBy51[red] \
+ + (aModulo51[red] > aHalftone8x8[(pixel%8)*8 \
+ + scanline%8]); \
+ greentemp = aDividedBy51[(char unsigned)green] \
+ + (aModulo51[green] > aHalftone8x8[ \
+ (pixel%8)*8 + scanline%8]); \
+ bluetemp = aDividedBy51[(char unsigned)blue] \
+ + (aModulo51[blue] > aHalftone8x8[ \
+ (pixel%8)*8 +scanline%8]); \
+ paletteindex = redtemp + aTimes6[greentemp] + aTimes36[bluetemp]; \
+ pixelDithered = aWinGHalftoneTranslation[paletteindex]; \
+}
+
+
+#ifdef DDRAW
+static BOOL DDInit( WMesaContext wc, HWND hwnd);
+static void DDFree( WMesaContext wc);
+static HRESULT DDRestoreAll( WMesaContext wc );
+static void DDDeleteOffScreen(WMesaContext wc);
+static BOOL DDCreateOffScreen(WMesaContext wc);
+#endif
+
+static void FlushToFile(PWMC pwc, PSTR szFile);
+
+BOOL wmCreateBackingStore(PWMC pwc, long lxSize, long lySize);
+BOOL wmDeleteBackingStore(PWMC pwc);
+void wmCreatePalette( PWMC pwdc );
+BOOL wmSetDibColors(PWMC pwc);
+void wmSetPixel(PWMC pwc, int iScanLine, int iPixel, BYTE r, BYTE g, BYTE b);
+
+void wmCreateDIBSection(
+ HDC hDC,
+ PWMC pwc, // handle of device context
+ CONST BITMAPINFO *pbmi, // address of structure containing bitmap size, format, and color data
+ UINT iUsage // color data type indicator: RGB values or palette indices
+ );
+
+
+void WMesaViewport( GLcontext *ctx,
+ GLint x, GLint y, GLsizei width, GLsizei height );
+
+
+//static triangle_func choose_triangle_function( GLcontext *ctx );
+
+
+static void wmSetPixelFormat( PWMC wc, HDC hDC)
+{
+ if(wc->rgb_flag)
+ wc->cColorBits = GetDeviceCaps(hDC, BITSPIXEL);
+ else
+ wc->cColorBits = 8;
+ switch(wc->cColorBits){
+ case 8:
+ if(wc->dither_flag != GL_TRUE)
+ wc->pixelformat = PF_INDEX8;
+ else
+ wc->pixelformat = PF_DITHER8;
+ break;
+ case 16:
+ wc->pixelformat = PF_5R6G5B;
+ break;
+ case 32:
+ wc->pixelformat = PF_8R8G8B;
+ break;
+ default:
+ wc->pixelformat = PF_BADFORMAT;
+ }
+}
+
+//
+// This function sets the color table of a DIB section
+// to match that of the destination DC
+//
+BOOL /*WINAPI*/ wmSetDibColors(PWMC pwc)
+{
+ RGBQUAD *pColTab, *pRGB;
+ PALETTEENTRY *pPal, *pPE;
+ int i, nColors;
+ BOOL bRet=TRUE;
+ DWORD dwErr=0;
+
+ /* Build a color table in the DIB that maps to the
+ selected palette in the DC.
+ */
+ nColors = 1 << pwc->cColorBits;
+ pPal = (PALETTEENTRY *)malloc( nColors * sizeof(PALETTEENTRY));
+ memset( pPal, 0, nColors * sizeof(PALETTEENTRY) );
+ GetPaletteEntries( pwc->hGLPalette, 0, nColors, pPal );
+ pColTab = (RGBQUAD *)malloc( nColors * sizeof(RGBQUAD));
+ for (i = 0, pRGB = pColTab, pPE = pPal; i < nColors; i++, pRGB++, pPE++) {
+ pRGB->rgbRed = pPE->peRed;
+ pRGB->rgbGreen = pPE->peGreen;
+ pRGB->rgbBlue = pPE->peBlue;
+ }
+ if(pwc->db_flag)
+ bRet = SetDIBColorTable(pwc->dib.hDC, 0, nColors, pColTab );
+
+ if(!bRet)
+ dwErr = GetLastError();
+
+ free( pColTab );
+ free( pPal );
+
+ return(bRet);
+}
+
+
+//
+// Free up the dib section that was created
+//
+BOOL wmDeleteBackingStore(PWMC pwc)
+{
+ SelectObject(pwc->dib.hDC, pwc->hOldBitmap);
+ DeleteDC(pwc->dib.hDC);
+ DeleteObject(pwc->hbmDIB);
+ UnmapViewOfFile(pwc->dib.base);
+ CloseHandle(pwc->dib.hFileMap);
+ return TRUE;
+}
+
+
+//
+// This function creates the DIB section that is used for combined
+// GL and GDI calls
+//
+BOOL /*WINAPI*/ wmCreateBackingStore(PWMC pwc, long lxSize, long lySize)
+{
+ HDC hdc = pwc->hDC;
+ LPBITMAPINFO pbmi = &(pwc->bmi);
+ int iUsage;
+
+ pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
+ pbmi->bmiHeader.biWidth = lxSize;
+ pbmi->bmiHeader.biHeight= -lySize;
+ pbmi->bmiHeader.biPlanes = 1;
+ if(pwc->rgb_flag)
+ pbmi->bmiHeader.biBitCount = GetDeviceCaps(pwc->hDC, BITSPIXEL);
+ else
+ pbmi->bmiHeader.biBitCount = 8;
+ pbmi->bmiHeader.biCompression = BI_RGB;
+ pbmi->bmiHeader.biSizeImage = 0;
+ pbmi->bmiHeader.biXPelsPerMeter = 0;
+ pbmi->bmiHeader.biYPelsPerMeter = 0;
+ pbmi->bmiHeader.biClrUsed = 0;
+ pbmi->bmiHeader.biClrImportant = 0;
+
+ iUsage = (pbmi->bmiHeader.biBitCount <= 8) ? DIB_PAL_COLORS : DIB_RGB_COLORS;
+
+ pwc->cColorBits = pbmi->bmiHeader.biBitCount;
+ pwc->ScanWidth = pwc->pitch = lxSize;
+
+ wmCreateDIBSection(hdc, pwc, pbmi, iUsage);
+
+ if ((iUsage == DIB_PAL_COLORS) && !(pwc->hGLPalette)) {
+ wmCreatePalette( pwc );
+ wmSetDibColors( pwc );
+ }
+ wmSetPixelFormat(pwc, pwc->hDC);
+ return(TRUE);
+
+}
+
+
+//
+// This function copies one scan line in a DIB section to another
+//
+BOOL WINAPI wmSetDIBits(PWMC pwc, UINT uiScanWidth, UINT uiNumScans, UINT nBypp, UINT uiNewWidth, LPBYTE pBits)
+{
+ UINT uiScans = 0;
+ LPBYTE pDest = pwc->pbPixels;
+ DWORD dwNextScan = uiScanWidth;
+ DWORD dwNewScan = uiNewWidth;
+ DWORD dwScanWidth = (uiScanWidth * nBypp);
+
+ //
+ // We need to round up to the nearest DWORD
+ // and multiply by the number of bytes per
+ // pixel
+ //
+ dwNextScan = (((dwNextScan * nBypp)+ 3) & ~3);
+ dwNewScan = (((dwNewScan * nBypp)+ 3) & ~3);
+
+ for(uiScans = 0; uiScans < uiNumScans; uiScans++){
+ CopyMemory(pDest, pBits, dwScanWidth);
+ pBits += dwNextScan;
+ pDest += dwNewScan;
+ }
+
+ return(TRUE);
+
+}
+
+
+BOOL wmFlush(PWMC pwc);
+
+/*
+* Useful macros:
+Modified from file osmesa.c
+*/
+
+
+#define PIXELADDR(X,Y) ((GLubyte *)Current->pbPixels + (Current->height-Y-1)* Current->ScanWidth + (X)*nBypp)
+#define PIXELADDR1( X, Y ) \
+((GLubyte *)wmesa->pbPixels + (wmesa->height-Y-1)* wmesa->ScanWidth + (X))
+#define PIXELADDR2( X, Y ) \
+((GLubyte *)wmesa->pbPixels + (wmesa->height-Y-1)* wmesa->ScanWidth + (X)*2)
+#define PIXELADDR4( X, Y ) \
+((GLubyte *)wmesa->pbPixels + (wmesa->height-Y-1)* wmesa->ScanWidth + (X)*4)
+
+
+BYTE DITHER_RGB_2_8BIT( int r, int g, int b, int x, int y);
+
+/* Finish all pending operations and synchronize. */
+static void finish(GLcontext* ctx)
+{
+ /* No op */
+}
+
+
+//
+// We cache all gl draw routines until a flush is made
+//
+static void flush(GLcontext* ctx)
+{
+ STARTPROFILE
+ if((Current->rgb_flag /*&& !(Current->dib.fFlushed)*/&&!(Current->db_flag))
+ ||(!Current->rgb_flag))
+ {
+ wmFlush(Current);
+ }
+ ENDPROFILE(flush)
+
+}
+
+
+
+/*
+* Set the color index used to clear the color buffer.
+*/
+static void clear_index(GLcontext* ctx, GLuint index)
+{
+ STARTPROFILE
+ Current->clearpixel = index;
+ ENDPROFILE(clear_index)
+}
+
+
+
+/*
+* Set the color used to clear the color buffer.
+*/
+static void clear_color( GLcontext* ctx, const GLchan color[4] )
+{
+ STARTPROFILE
+ Current->clearpixel = RGB(color[0], color[1], color[2]);
+ ENDPROFILE(clear_color)
+}
+
+
+
+/*
+* Clear the specified region of the color buffer using the clear color
+* or index as specified by one of the two functions above.
+*/
+//static void clear(GLcontext* ctx,
+// GLboolean all,GLint x, GLint y, GLint width, GLint height )
+// TODO: I modified this function to match the prototype in
+// dd.h. (swansma@geocities.com)
+
+static GLbitfield clear(GLcontext* ctx, GLbitfield mask,
+ GLboolean all, GLint x, GLint y, GLint width, GLint height)
+{
+ DWORD dwColor;
+ WORD wColor;
+ BYTE bColor;
+ LPDWORD lpdw = (LPDWORD)Current->pbPixels;
+ LPWORD lpw = (LPWORD)Current->pbPixels;
+ LPBYTE lpb = Current->pbPixels;
+ int lines;
+
+ STARTPROFILE
+
+ if (all){
+ x=y=0;
+ width=Current->width;
+ height=Current->height;
+ }
+ if(Current->db_flag==GL_TRUE){
+ UINT nBypp = Current->cColorBits / 8;
+ int i = 0;
+ int iSize = 0;
+
+ if(nBypp ==1 ){
+ /* Need rectification */
+ iSize = Current->width/4;
+ bColor = BGR8(GetRValue(Current->clearpixel),
+ GetGValue(Current->clearpixel),
+ GetBValue(Current->clearpixel));
+ wColor = MAKEWORD(bColor,bColor);
+ dwColor = MAKELONG(wColor, wColor);
+ }
+ if(nBypp == 2){
+ iSize = Current->width / 2;
+ wColor = BGR16(GetRValue(Current->clearpixel),
+ GetGValue(Current->clearpixel),
+ GetBValue(Current->clearpixel));
+ dwColor = MAKELONG(wColor, wColor);
+ }
+ else if(nBypp == 4){
+ iSize = Current->width;
+ dwColor = BGR32(GetRValue(Current->clearpixel),
+ GetGValue(Current->clearpixel),
+ GetBValue(Current->clearpixel));
+ }
+
+ while(i < iSize){
+ *lpdw = dwColor;
+ lpdw++;
+ i++;
+ }
+
+ //
+ // This is the 24bit case
+ //
+ if (nBypp == 3) {
+ iSize = Current->width *3/4;
+ dwColor = BGR24(GetRValue(Current->clearpixel),
+ GetGValue(Current->clearpixel),
+ GetBValue(Current->clearpixel));
+ while(i < iSize){
+ *lpdw = dwColor;
+ lpb += nBypp;
+ lpdw = (LPDWORD)lpb;
+ i++;
+ }
+ }
+
+ i = 0;
+ if (stereo_flag)
+ lines = height /2;
+ else
+ lines = height;
+ do {
+ memcpy(lpb, Current->pbPixels, iSize*4);
+ lpb += Current->ScanWidth;
+ i++;
+ }
+ while (i<lines-1);
+ }
+ else { // For single buffer
+ HDC DC=DD_GETDC;
+ HPEN Pen=CreatePen(PS_SOLID,1,Current->clearpixel);
+ HBRUSH Brush=CreateSolidBrush(Current->clearpixel);
+ HPEN Old_Pen=SelectObject(DC,Pen);
+ HBRUSH Old_Brush=SelectObject(DC,Brush);
+ Rectangle(DC,x,y,x+width,y+height);
+ SelectObject(DC,Old_Pen);
+ SelectObject(DC,Old_Brush);
+ DeleteObject(Pen);
+ DeleteObject(Brush);
+ DD_RELEASEDC;
+ }
+
+
+
+ ENDPROFILE(clear)
+
+ return mask; // TODO: I doubt this is correct. dd.h doesn't explain what this should
+ // be...
+}
+
+
+
+static void enable( GLcontext* ctx, GLenum pname, GLboolean enable )
+{
+ if (!Current)
+ return;
+
+ if (pname == GL_DITHER) {
+ if(enable == GL_FALSE){
+ Current->dither_flag = GL_FALSE;
+ if(Current->cColorBits == 8)
+ Current->pixelformat = PF_INDEX8;
+ }
+ else{
+ if (Current->rgb_flag && Current->cColorBits == 8){
+ Current->pixelformat = PF_DITHER8;
+ Current->dither_flag = GL_TRUE;
+ }
+ else
+ Current->dither_flag = GL_FALSE;
+ }
+ }
+}
+
+
+
+static GLboolean set_draw_buffer( GLcontext* ctx, GLenum mode )
+{
+ STARTPROFILE
+ /* TODO: this could be better */
+ if (mode==GL_FRONT_LEFT || mode==GL_BACK_LEFT) {
+ return GL_TRUE;
+ }
+ else {
+ return GL_FALSE;
+ }
+ ENDPROFILE(set_draw_buffer)
+}
+
+
+static void set_read_buffer(GLcontext *ctx, GLframebuffer *colorBuffer,
+ GLenum buffer )
+{
+ /* XXX todo */
+ return;
+}
+
+
+
+/* Return characteristics of the output buffer. */
+static void buffer_size( GLcontext* ctx, GLuint *width, GLuint *height )
+{
+ int New_Size;
+ RECT CR;
+
+ STARTPROFILE
+ GetClientRect(Current->Window,&CR);
+
+ *width=CR.right;
+ *height=CR.bottom;
+
+ New_Size=((*width)!=Current->width) || ((*height)!=Current->height);
+
+ if (New_Size){
+ Current->width=*width;
+ Current->height=*height;
+ Current->ScanWidth=Current->width;
+ if ((Current->ScanWidth%sizeof(long))!=0)
+ Current->ScanWidth+=(sizeof(long)-(Current->ScanWidth%sizeof(long)));
+
+ if (Current->db_flag){
+#ifdef DDRAW
+ DDDeleteOffScreen(Current);
+ DDCreateOffScreen(Current);
+#else
+ if (Current->rgb_flag==GL_TRUE && Current->dither_flag!=GL_TRUE){
+ wmDeleteBackingStore(Current);
+ wmCreateBackingStore(Current, Current->width, Current->height);
+ }
+#endif
+ }
+
+ // Resize OsmesaBuffer if in Parallel mode
+#if !defined(NO_PARALLEL)
+ if(parallelFlag)
+ PRSizeRenderBuffer(Current->width, Current->height,Current->ScanWidth,
+ Current->rgb_flag == GL_TRUE ? Current->pbPixels: Current->ScreenMem);
+#endif
+ }
+ ENDPROFILE(buffer_size)
+}
+
+
+
+/**********************************************************************/
+/***** Accelerated point, line, polygon rendering *****/
+/**********************************************************************/
+
+
+static void fast_rgb_points( GLcontext* ctx, GLuint first, GLuint last )
+{
+#if 0
+ GLuint i;
+ // HDC DC=DD_GETDC;
+ PWMC pwc = Current;
+
+ STARTPROFILE
+
+ if (0 /*Current->gl_ctx->VB->MonoColor*/) {
+ /* all drawn with current color */
+ for (i=first;i<=last;i++) {
+ if (!Current->gl_ctx->VB->ClipMask[i]) {
+ int x, y;
+ x = (GLint) Current->gl_ctx->VB->Win.data[i][0];
+ y = FLIP( (GLint) Current->gl_ctx->VB->Win.data[i][1] );
+ wmSetPixel(pwc, y,x,GetRValue(Current->pixel),
+ GetGValue(Current->pixel), GetBValue(Current->pixel));
+ }
+ }
+ }
+ else {
+ /* draw points of different colors */
+ for (i=first;i<=last;i++) {
+ if (!Current->gl_ctx->VB->ClipMask[i]) {
+ int x, y;
+ unsigned long pixel=RGB(Current->gl_ctx->VB->ColorPtr->data[i][0]*255.0,
+ Current->gl_ctx->VB->ColorPtr->data[i][1]*255.0,
+ Current->gl_ctx->VB->ColorPtr->data[i][2]*255.0);
+ x = (GLint) Current->gl_ctx->VB->Win.data[i][0];
+ y = FLIP( (GLint) Current->gl_ctx->VB->Win.data[i][1] );
+ wmSetPixel(pwc, y,x,Current->gl_ctx->VB->ColorPtr->data[i][0]*255.0,
+ Current->gl_ctx->VB->ColorPtr->data[i][1]*255.0,
+ Current->gl_ctx->VB->ColorPtr->data[i][2]*255.0);
+ }
+ }
+ }
+ // DD_RELEASEDC;
+ ENDPROFILE(fast_rgb_points)
+#endif
+}
+
+
+
+/* Return pointer to accerated points function */
+extern /*points_func*/ choose_points_function( GLcontext* ctx )
+{
+#if 0
+ STARTPROFILE
+ if (ctx->Point.Size==1.0 && !ctx->Point.SmoothFlag && ctx->_RasterMask==0
+ && !ctx->Texture._ReallyEnabled && ctx->Visual->RGBAflag) {
+ ENDPROFILE(choose_points_function)
+ return fast_rgb_points;
+ }
+ else {
+ ENDPROFILE(choose_points_function)
+ return NULL;
+ }
+#endif
+}
+
+
+
+/* Draw a line using the color specified by Current->gl_ctx->VB->ColorPtr->data[pv] */
+static void fast_flat_rgb_line( GLcontext* ctx, GLuint v0, GLuint v1, GLuint pv )
+{
+#if 0
+ STARTPROFILE
+ int x0, y0, x1, y1;
+ unsigned long pixel;
+ HDC DC=DD_GETDC;
+ HPEN Pen;
+ HPEN Old_Pen;
+
+ if (0 /*Current->gl_ctx->VB->MonoColor*/) {
+ pixel = Current->pixel; /* use current color */
+ }
+ else {
+ pixel = RGB(Current->gl_ctx->VB->ColorPtr->data[pv][0]*255.0, Current->gl_ctx->VB->ColorPtr->data[pv][1]*255.0, Current->gl_ctx->VB->ColorPtr->data[pv][2]*255.0);
+ }
+
+ x0 = (int) Current->gl_ctx->VB->Win.data[v0][0];
+ y0 = FLIP( (int) Current->gl_ctx->VB->Win.data[v0][1] );
+ x1 = (int) Current->gl_ctx->VB->Win.data[v1][0];
+ y1 = FLIP( (int) Current->gl_ctx->VB->Win.data[v1][1] );
+
+
+ BEGINGDICALL
+
+ Pen=CreatePen(PS_SOLID,1,pixel);
+ Old_Pen=SelectObject(DC,Pen);
+ MoveToEx(DC,x0,y0,NULL);
+ LineTo(DC,x1,y1);
+ SelectObject(DC,Old_Pen);
+ DeleteObject(Pen);
+ DD_RELEASEDC;
+
+ ENDGDICALL
+
+ ENDPROFILE(fast_flat_rgb_line)
+#endif
+}
+
+
+
+/* Return pointer to accerated line function */
+static /*line_func*/ choose_line_function( GLcontext* ctx )
+{
+#if 0
+ STARTPROFILE
+ if (ctx->Line.Width==1.0 && !ctx->Line.SmoothFlag && !ctx->Line.StippleFlag
+ && ctx->Light.ShadeModel==GL_FLAT && ctx->_RasterMask==0
+ && !ctx->Texture._ReallyEnabled && Current->rgb_flag) {
+ ENDPROFILE(choose_line_function)
+ return fast_flat_rgb_line;
+ }
+ else {
+ ENDPROFILE(choose_line_function)
+ return NULL;
+ }
+#endif
+}
+
+
+/**********************************************************************/
+/***** Span-based pixel drawing *****/
+/**********************************************************************/
+
+
+/* Write a horizontal span of 32-bit color-index pixels with a boolean mask. */
+static void write_ci32_span( const GLcontext* ctx,
+ GLuint n, GLint x, GLint y,
+ const GLuint index[],
+ const GLubyte mask[] )
+{
+ STARTPROFILE
+ GLuint i;
+ PBYTE Mem=Current->ScreenMem+FLIP(y)*Current->ScanWidth+x;
+ assert(Current->rgb_flag==GL_FALSE);
+ for (i=0; i<n; i++)
+ if (mask[i])
+ Mem[i]=index[i];
+ ENDPROFILE(write_ci32_span)
+}
+
+
+/* Write a horizontal span of 8-bit color-index pixels with a boolean mask. */
+static void write_ci8_span( const GLcontext* ctx,
+ GLuint n, GLint x, GLint y,
+ const GLubyte index[],
+ const GLubyte mask[] )
+{
+ STARTPROFILE
+ GLuint i;
+ PBYTE Mem=Current->ScreenMem+FLIP(y)*Current->ScanWidth+x;
+ assert(Current->rgb_flag==GL_FALSE);
+ for (i=0; i<n; i++)
+ if (mask[i])
+ Mem[i]=index[i];
+ ENDPROFILE(write_ci8_span)
+}
+
+
+
+/*
+* Write a horizontal span of pixels with a boolean mask. The current
+* color index is used for all pixels.
+*/
+static void write_mono_ci_span(const GLcontext* ctx,
+ GLuint n,GLint x,GLint y,
+ GLuint colorIndex, const GLubyte mask[])
+{
+ STARTPROFILE
+ GLuint i;
+ BYTE *Mem=Current->ScreenMem+FLIP(y)*Current->ScanWidth+x;
+ assert(Current->rgb_flag==GL_FALSE);
+ for (i=0; i<n; i++)
+ if (mask[i])
+ Mem[i]=colorIndex;
+ ENDPROFILE(write_mono_ci_span)
+}
+
+/*
+ * To improve the performance of this routine, frob the data into an actual
+ * scanline and call bitblt on the complete scan line instead of SetPixel.
+ */
+
+/* Write a horizontal span of RGBA color pixels with a boolean mask. */
+static void write_rgba_span( const GLcontext* ctx, GLuint n, GLint x, GLint y,
+ const GLubyte rgba[][4], const GLubyte mask[] )
+{
+ STARTPROFILE
+ PWMC pwc = Current;
+
+ if (pwc->rgb_flag==GL_TRUE)
+ {
+ GLuint i;
+ HDC DC=DD_GETDC;
+ y=FLIP(y);
+ if (mask) {
+ for (i=0; i<n; i++)
+ if (mask[i])
+ wmSetPixel(pwc, y, x + i, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]);
+ }
+ else {
+ for (i=0; i<n; i++)
+ wmSetPixel(pwc, y, x + i, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] );
+ }
+ DD_RELEASEDC;
+ }
+ else
+ {
+ GLuint i;
+ BYTE *Mem=Current->ScreenMem+y*Current->ScanWidth+x;
+ y = FLIP(y);
+ if (mask) {
+ for (i=0; i<n; i++)
+ if (mask[i])
+ Mem[i] = GetNearestPaletteIndex(Current->hPal,RGB(rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]));
+ }
+ else {
+ for (i=0; i<n; i++)
+ Mem[i] = GetNearestPaletteIndex(Current->hPal,RGB(rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]));
+ }
+ }
+ ENDPROFILE(write_rgba_span)
+
+}
+
+/* Write a horizontal span of RGB color pixels with a boolean mask. */
+static void write_rgb_span( const GLcontext* ctx,
+ GLuint n, GLint x, GLint y,
+ const GLubyte rgb[][3], const GLubyte mask[] )
+{
+ STARTPROFILE
+ PWMC pwc = Current;
+
+ if (pwc->rgb_flag==GL_TRUE)
+ {
+ GLuint i;
+ HDC DC=DD_GETDC;
+ y=FLIP(y);
+ if (mask) {
+ for (i=0; i<n; i++)
+ if (mask[i])
+ wmSetPixel(pwc, y, x + i, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]);
+ }
+ else {
+ for (i=0; i<n; i++)
+ wmSetPixel(pwc, y, x + i, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] );
+ }
+ DD_RELEASEDC;
+ }
+ else
+ {
+ GLuint i;
+ BYTE *Mem=Current->ScreenMem+y*Current->ScanWidth+x;
+ y = FLIP(y);
+ if (mask) {
+ for (i=0; i<n; i++)
+ if (mask[i])
+ Mem[i] = GetNearestPaletteIndex(Current->hPal,RGB(rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]));
+ }
+ else {
+ for (i=0; i<n; i++)
+ Mem[i] = GetNearestPaletteIndex(Current->hPal,RGB(rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]));
+ }
+ }
+ ENDPROFILE(write_rgb_span)
+
+}
+
+/*
+* Write a horizontal span of pixels with a boolean mask. The current color
+* is used for all pixels.
+*/
+static void write_mono_rgba_span( const GLcontext* ctx,
+ GLuint n, GLint x, GLint y,
+ const GLchan color[4], const GLubyte mask[])
+{
+ ULONG pixel = RGB( color[RCOMP], color[GCOMP], color[BCOMP] );
+ STARTPROFILE
+ GLuint i;
+ HDC DC=DD_GETDC;
+ PWMC pwc = Current;
+ assert(Current->rgb_flag==GL_TRUE);
+ y=FLIP(y);
+ if(Current->rgb_flag==GL_TRUE){
+ for (i=0; i<n; i++)
+ if (mask[i])
+ // Trying
+ wmSetPixel(pwc,y,x+i,color[RCOMP], color[GCOMP], color[BCOMP]);
+ }
+ else {
+ for (i=0; i<n; i++)
+ if (mask[i])
+ SetPixel(DC, y, x+i, pixel);
+ }
+ DD_RELEASEDC;
+ ENDPROFILE(write_mono_rgba_span)
+}
+
+
+
+/**********************************************************************/
+/***** Array-based pixel drawing *****/
+/**********************************************************************/
+
+
+/* Write an array of 32-bit index pixels with a boolean mask. */
+static void write_ci32_pixels( const GLcontext* ctx,
+ GLuint n, const GLint x[], const GLint y[],
+ const GLuint index[], const GLubyte mask[] )
+{
+ STARTPROFILE
+ GLuint i;
+ assert(Current->rgb_flag==GL_FALSE);
+ for (i=0; i<n; i++) {
+ if (mask[i]) {
+ BYTE *Mem=Current->ScreenMem+FLIP(y[i])*Current->ScanWidth+x[i];
+ *Mem = index[i];
+ }
+ }
+ ENDPROFILE(write_ci32_pixels)
+}
+
+
+
+/*
+* Write an array of pixels with a boolean mask. The current color
+* index is used for all pixels.
+*/
+static void write_mono_ci_pixels( const GLcontext* ctx,
+ GLuint n,
+ const GLint x[], const GLint y[],
+ GLuint colorIndex, const GLubyte mask[] )
+{
+ STARTPROFILE
+ GLuint i;
+ assert(Current->rgb_flag==GL_FALSE);
+ for (i=0; i<n; i++) {
+ if (mask[i]) {
+ BYTE *Mem=Current->ScreenMem+FLIP(y[i])*Current->ScanWidth+x[i];
+ *Mem = colorIndex;
+ }
+ }
+ ENDPROFILE(write_mono_ci_pixels)
+}
+
+
+
+/* Write an array of RGBA pixels with a boolean mask. */
+static void write_rgba_pixels( const GLcontext* ctx,
+ GLuint n, const GLint x[], const GLint y[],
+ const GLubyte rgba[][4], const GLubyte mask[] )
+{
+ STARTPROFILE
+ GLuint i;
+ PWMC pwc = Current;
+ HDC DC=DD_GETDC;
+ assert(Current->rgb_flag==GL_TRUE);
+ for (i=0; i<n; i++)
+ if (mask[i])
+ wmSetPixel(pwc, FLIP(y[i]), x[i],
+ rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]);
+ DD_RELEASEDC;
+ ENDPROFILE(write_rgba_pixels)
+}
+
+
+
+/*
+* Write an array of pixels with a boolean mask. The current color
+* is used for all pixels.
+*/
+static void write_mono_rgba_pixels( const GLcontext* ctx,
+ GLuint n,
+ const GLint x[], const GLint y[],
+ const GLchan color[4],
+ const GLubyte mask[] )
+{
+ STARTPROFILE
+ GLuint i;
+ PWMC pwc = Current;
+ HDC DC=DD_GETDC;
+ assert(Current->rgb_flag==GL_TRUE);
+ for (i=0; i<n; i++)
+ if (mask[i])
+ wmSetPixel(pwc, FLIP(y[i]),x[i],color[RCOMP],
+ color[GCOMP], color[BCOMP]);
+ DD_RELEASEDC;
+ ENDPROFILE(write_mono_rgba_pixels)
+}
+
+
+
+/**********************************************************************/
+/***** Read spans/arrays of pixels *****/
+/**********************************************************************/
+
+
+/* Read a horizontal span of color-index pixels. */
+static void read_ci32_span( const GLcontext* ctx, GLuint n, GLint x, GLint y,
+ GLuint index[])
+{
+ STARTPROFILE
+ GLuint i;
+ BYTE *Mem=Current->ScreenMem+FLIP(y)*Current->ScanWidth+x;
+ assert(Current->rgb_flag==GL_FALSE);
+ for (i=0; i<n; i++)
+ index[i]=Mem[i];
+ ENDPROFILE(read_ci32_span)
+}
+
+
+
+
+/* Read an array of color index pixels. */
+static void read_ci32_pixels( const GLcontext* ctx,
+ GLuint n, const GLint x[], const GLint y[],
+ GLuint indx[], const GLubyte mask[] )
+{
+ STARTPROFILE
+ GLuint i;
+ assert(Current->rgb_flag==GL_FALSE);
+ for (i=0; i<n; i++) {
+ if (mask[i]) {
+ indx[i]=*(Current->ScreenMem+FLIP(y[i])*Current->ScanWidth+x[i]);
+ }
+ }
+ ENDPROFILE(read_ci32_pixels)
+}
+
+
+
+/* Read a horizontal span of color pixels. */
+static void read_rgba_span( const GLcontext* ctx,
+ GLuint n, GLint x, GLint y,
+ GLubyte rgba[][4] )
+{
+ STARTPROFILE
+ UINT i;
+ COLORREF Color;
+ HDC DC=DD_GETDC;
+ assert(Current->rgb_flag==GL_TRUE);
+ /* y=FLIP(y);*/
+ y = Current->height - y - 1;
+ for (i=0; i<n; i++) {
+ Color=GetPixel(DC,x+i,y);
+ rgba[i][RCOMP] = GetRValue(Color);
+ rgba[i][GCOMP] = GetGValue(Color);
+ rgba[i][BCOMP] = GetBValue(Color);
+ rgba[i][ACOMP] = 255;
+ }
+ DD_RELEASEDC;
+// Brian P. Has mentioned to comment this out.
+// memset(alpha,0,n*sizeof(GLubyte));
+ ENDPROFILE(read_rgba_span)
+}
+
+
+/* Read an array of color pixels. */
+static void read_rgba_pixels( const GLcontext* ctx,
+ GLuint n, const GLint x[], const GLint y[],
+ GLubyte rgba[][4], const GLubyte mask[] )
+{
+ STARTPROFILE
+ GLuint i;
+ COLORREF Color;
+ HDC DC=DD_GETDC;
+ assert(Current->rgb_flag==GL_TRUE);
+ for (i=0; i<n; i++) {
+ if (mask[i]) {
+ GLint y2 = Current->height - y[i] - 1;
+ Color=GetPixel(DC,x[i],y2);
+ rgba[i][RCOMP] = GetRValue(Color);
+ rgba[i][GCOMP] = GetGValue(Color);
+ rgba[i][BCOMP] = GetBValue(Color);
+ rgba[i][ACOMP] = 255;
+ }
+ }
+ DD_RELEASEDC;
+// Brian P. has mentioned to comment this out.
+// memset(alpha,0,n*sizeof(GLint));
+ ENDPROFILE(read_rgba_pixels)
+}
+
+
+
+/**********************************************************************/
+/**********************************************************************/
+
+
+static const GLubyte *get_string(GLcontext *ctx, GLenum name)
+{
+ if (name == GL_RENDERER) {
+ return (GLubyte *) "Mesa Windows";
+ }
+ else {
+ return NULL;
+ }
+}
+
+
+
+void setup_DD_pointers( GLcontext* ctx )
+{
+#if 0
+ ctx->Driver.GetString = get_string;
+ ctx->Driver.UpdateState = setup_DD_pointers;
+ ctx->Driver.GetBufferSize = buffer_size;
+ ctx->Driver.Finish = finish;
+ ctx->Driver.Flush = flush;
+
+ ctx->Driver.ClearIndex = clear_index;
+ ctx->Driver.ClearColor = clear_color;
+ ctx->Driver.Clear = clear;
+
+ ctx->Driver.Enable = enable;
+
+ ctx->Driver.SetDrawBuffer = set_draw_buffer;
+ ctx->Driver.SetReadBuffer = set_read_buffer;
+ ctx->Driver.GetBufferSize = buffer_size;
+
+ ctx->Driver.PointsFunc = choose_points_function(ctx);
+ ctx->Driver.LineFunc = choose_line_function(ctx);
+ ctx->Driver.TriangleFunc = choose_triangle_function( ctx );
+
+ /* Pixel/span writing functions: */
+ ctx->Driver.WriteRGBASpan = write_rgba_span;
+ ctx->Driver.WriteRGBSpan = write_rgb_span;
+ ctx->Driver.WriteMonoRGBASpan = write_mono_rgba_span;
+ ctx->Driver.WriteRGBAPixels = write_rgba_pixels;
+ ctx->Driver.WriteMonoRGBAPixels = write_mono_rgba_pixels;
+ ctx->Driver.WriteCI32Span = write_ci32_span;
+ ctx->Driver.WriteCI8Span = write_ci8_span;
+ ctx->Driver.WriteMonoCISpan = write_mono_ci_span;
+ ctx->Driver.WriteCI32Pixels = write_ci32_pixels;
+ ctx->Driver.WriteMonoCIPixels = write_mono_ci_pixels;
+
+ ctx->Driver.ReadCI32Span = read_ci32_span;
+ ctx->Driver.ReadRGBASpan = read_rgba_span;
+ ctx->Driver.ReadCI32Pixels = read_ci32_pixels;
+ ctx->Driver.ReadRGBAPixels = read_rgba_pixels;
+#endif
+}
+
+
+/**********************************************************************/
+/***** WMesa API Functions *****/
+/**********************************************************************/
+
+
+
+#define PAL_SIZE 256
+static void GetPalette(HPALETTE Pal,RGBQUAD *aRGB)
+{
+ STARTPROFILE
+ int i;
+ HDC hdc;
+ struct
+ {
+ WORD Version;
+ WORD NumberOfEntries;
+ PALETTEENTRY aEntries[PAL_SIZE];
+ } Palette =
+ {
+ 0x300,
+ PAL_SIZE
+ };
+ hdc=GetDC(NULL);
+ if (Pal!=NULL)
+ GetPaletteEntries(Pal,0,PAL_SIZE,Palette.aEntries);
+ else
+ GetSystemPaletteEntries(hdc,0,PAL_SIZE,Palette.aEntries);
+ if (GetSystemPaletteUse(hdc) == SYSPAL_NOSTATIC)
+ {
+ for(i = 0; i <PAL_SIZE; i++)
+ Palette.aEntries[i].peFlags = PC_RESERVED;
+ Palette.aEntries[255].peRed = 255;
+ Palette.aEntries[255].peGreen = 255;
+ Palette.aEntries[255].peBlue = 255;
+ Palette.aEntries[255].peFlags = 0;
+ Palette.aEntries[0].peRed = 0;
+ Palette.aEntries[0].peGreen = 0;
+ Palette.aEntries[0].peBlue = 0;
+ Palette.aEntries[0].peFlags = 0;
+ }
+ else
+ {
+ int nStaticColors;
+ int nUsableColors;
+ nStaticColors = GetDeviceCaps(hdc, NUMCOLORS)/2;
+ for (i=0; i<nStaticColors; i++)
+ Palette.aEntries[i].peFlags = 0;
+ nUsableColors = PAL_SIZE-nStaticColors;
+ for (; i<nUsableColors; i++)
+ Palette.aEntries[i].peFlags = PC_RESERVED;
+ for (; i<PAL_SIZE-nStaticColors; i++)
+ Palette.aEntries[i].peFlags = PC_RESERVED;
+ for (i=PAL_SIZE-nStaticColors; i<PAL_SIZE; i++)
+ Palette.aEntries[i].peFlags = 0;
+ }
+ ReleaseDC(NULL,hdc);
+ for (i=0; i<PAL_SIZE; i++)
+ {
+ aRGB[i].rgbRed=Palette.aEntries[i].peRed;
+ aRGB[i].rgbGreen=Palette.aEntries[i].peGreen;
+ aRGB[i].rgbBlue=Palette.aEntries[i].peBlue;
+ aRGB[i].rgbReserved=Palette.aEntries[i].peFlags;
+ }
+ ENDPROFILE(GetPalette)
+}
+
+
+WMesaContext WMesaCreateContext( HWND hWnd, HPALETTE* Pal,
+ GLboolean rgb_flag,
+ GLboolean db_flag )
+{
+ RECT CR;
+ WMesaContext c;
+ GLboolean true_color_flag;
+ c = (struct wmesa_context * ) calloc(1,sizeof(struct wmesa_context));
+ if (!c)
+ return NULL;
+
+ c->Window=hWnd;
+ c->hDC = GetDC(hWnd);
+ true_color_flag = GetDeviceCaps(c->hDC, BITSPIXEL) > 8;
+#ifdef DDRAW
+ if(true_color_flag) c->rgb_flag = rgb_flag = GL_TRUE;
+#endif
+
+
+#ifdef DITHER
+ if ((true_color_flag==GL_FALSE) && (rgb_flag == GL_TRUE)){
+ c->dither_flag = GL_TRUE;
+ c->hPalHalfTone = WinGCreateHalftonePalette();
+ }
+ else
+ c->dither_flag = GL_FALSE;
+#else
+ c->dither_flag = GL_FALSE;
+#endif
+
+
+ if (rgb_flag==GL_FALSE)
+ {
+ c->rgb_flag = GL_FALSE;
+ // c->pixel = 1;
+ c->db_flag = db_flag =GL_TRUE; // WinG requires double buffering
+ printf("Single buffer is not supported in color index mode, setting to double buffer.\n");
+ }
+ else
+ {
+ c->rgb_flag = GL_TRUE;
+ // c->pixel = 0;
+ }
+ GetClientRect(c->Window,&CR);
+ c->width=CR.right;
+ c->height=CR.bottom;
+ if (db_flag)
+ {
+ c->db_flag = 1;
+ /* Double buffered */
+#ifndef DDRAW
+ // if (c->rgb_flag==GL_TRUE && c->dither_flag != GL_TRUE )
+ {
+ wmCreateBackingStore(c, c->width, c->height);
+
+ }
+#endif
+ }
+ else
+ {
+ /* Single Buffered */
+ if (c->rgb_flag)
+ c->db_flag = 0;
+ }
+#ifdef DDRAW
+ if (DDInit(c,hWnd) == GL_FALSE) {
+ free( (void *) c );
+ exit(1);
+ }
+#endif
+
+
+ c->gl_visual = _mesa_create_visual(rgb_flag,
+ db_flag, /* db_flag */
+ GL_FALSE, /* stereo */
+ 8,8,8,8, /* r, g, b, a bits */
+ 0, /* index bits */
+ 16, /* depth_bits */
+ 8, /* stencil_bits */
+ 16,16,16,16,/* accum_bits */
+ 1);
+
+ if (!c->gl_visual) {
+ return NULL;
+ }
+
+ /* allocate a new Mesa context */
+ c->gl_ctx = _mesa_create_context( c->gl_visual, NULL, c, GL_TRUE);
+
+ if (!c->gl_ctx) {
+ _mesa_destroy_visual( c->gl_visual );
+ free(c);
+ return NULL;
+ }
+
+ _mesa_enable_sw_extensions(c->gl_ctx);
+#if 0
+ c->gl_buffer = _mesa_create_framebuffer( c->gl_visual,
+ c->gl_visual->DepthBits > 0,
+ c->gl_visual->StencilBits > 0,
+ c->gl_visual->AccumRedBits > 0,
+ c->gl_visual->AlphaBits > 0 );
+#endif
+ c->gl_buffer = NULL; /* TEMP */
+ if (!c->gl_buffer) {
+ _mesa_destroy_visual( c->gl_visual );
+ _mesa_destroy_context( c->gl_ctx );
+ free(c);
+ return NULL;
+ }
+
+ c->gl_ctx->Driver.UpdateState = setup_DD_pointers;
+
+ // setup_DD_pointers(c->gl_ctx);
+
+ return c;
+}
+
+void WMesaDestroyContext( void )
+{
+ WMesaContext c = Current;
+ ReleaseDC(c->Window,c->hDC);
+ WC = c;
+ if(c->hPalHalfTone != NULL)
+ DeleteObject(c->hPalHalfTone);
+ _mesa_destroy_visual( c->gl_visual );
+ _mesa_destroy_framebuffer( c->gl_buffer );
+ _mesa_destroy_context( c->gl_ctx );
+
+ if (c->db_flag)
+#ifdef DDRAW
+ DDFree(c);
+#else
+ wmDeleteBackingStore(c);
+#endif
+ free( (void *) c );
+ //Following code is added to enable parallel render
+ // Parallel render only work in double buffer mode
+#if !defined(NO_PARALLEL)
+ if(parallelMachine)
+ PRDestroyRenderBuffer();
+#endif
+ // End modification
+}
+
+
+
+void /*APIENTRY*/ WMesaMakeCurrent( WMesaContext c )
+{
+ if(!c){
+ Current = c;
+ return;
+ }
+
+ //
+ // A little optimization
+ // If it already is current,
+ // don't set it again
+ //
+ if(Current == c)
+ return;
+
+ //gl_set_context( c->gl_ctx );
+ _mesa_make_current(c->gl_ctx, c->gl_buffer);
+ setup_DD_pointers(c->gl_ctx);
+ Current = c;
+ if (Current->gl_ctx->Viewport.Width==0) {
+ /* initialize viewport to window size */
+ _mesa_set_viewport( Current->gl_ctx,
+ 0, 0, Current->width, Current->height );
+ }
+ if ((c->cColorBits <= 8 ) && (c->rgb_flag == GL_TRUE)){
+ WMesaPaletteChange(c->hPalHalfTone);
+ }
+}
+
+
+
+void /*APIENTRY*/ WMesaSwapBuffers( void )
+{
+ HDC DC = Current->hDC;
+ GET_CURRENT_CONTEXT(ctx);
+
+ /* If we're swapping the buffer associated with the current context
+ * we have to flush any pending rendering commands first.
+ */
+ if (Current && Current->gl_ctx == ctx)
+ _mesa_swapbuffers(ctx);
+
+ if (Current->db_flag)
+ wmFlush(Current);
+}
+
+
+
+void /*APIENTRY*/ WMesaPaletteChange(HPALETTE Pal)
+{
+ int vRet;
+ LPPALETTEENTRY pPal;
+ if (Current && (Current->rgb_flag==GL_FALSE || Current->dither_flag == GL_TRUE))
+ {
+ pPal = (PALETTEENTRY *)malloc( 256 * sizeof(PALETTEENTRY));
+ Current->hPal=Pal;
+ // GetPaletteEntries( Pal, 0, 256, pPal );
+ GetPalette( Pal, pPal );
+#ifdef DDRAW
+ Current->lpDD->lpVtbl->CreatePalette(Current->lpDD,DDPCAPS_8BIT,
+ pPal, &(Current->lpDDPal), NULL);
+ if (Current->lpDDPal)
+ Current->lpDDSPrimary->lpVtbl->SetPalette(Current->lpDDSPrimary,Current->lpDDPal);
+#else
+ vRet = SetDIBColorTable(Current->dib.hDC,0,256,pPal);
+#endif
+ free( pPal );
+ }
+
+}
+
+
+
+
+static unsigned char threeto8[8] = {
+ 0, 0111>>1, 0222>>1, 0333>>1, 0444>>1, 0555>>1, 0666>>1, 0377
+};
+
+static unsigned char twoto8[4] = {
+ 0, 0x55, 0xaa, 0xff
+};
+
+static unsigned char oneto8[2] = {
+ 0, 255
+};
+
+static unsigned char componentFromIndex(UCHAR i, UINT nbits, UINT shift)
+{
+ unsigned char val;
+
+ val = i >> shift;
+ switch (nbits) {
+
+ case 1:
+ val &= 0x1;
+ return oneto8[val];
+
+ case 2:
+ val &= 0x3;
+ return twoto8[val];
+
+ case 3:
+ val &= 0x7;
+ return threeto8[val];
+
+ default:
+ return 0;
+ }
+}
+
+void /*WINAPI*/ wmCreatePalette( PWMC pwdc )
+{
+ /* Create a compressed and re-expanded 3:3:2 palette */
+ int i;
+ LOGPALETTE *pPal;
+ BYTE rb, rs, gb, gs, bb, bs;
+
+ pwdc->nColors = 0x100;
+
+ pPal = (PLOGPALETTE)malloc(sizeof(LOGPALETTE) + pwdc->nColors * sizeof(PALETTEENTRY));
+ memset( pPal, 0, sizeof(LOGPALETTE) + pwdc->nColors * sizeof(PALETTEENTRY) );
+
+ pPal->palVersion = 0x300;
+
+ rb = REDBITS;
+ rs = REDSHIFT;
+ gb = GREENBITS;
+ gs = GREENSHIFT;
+ bb = BLUEBITS;
+ bs = BLUESHIFT;
+
+ if (pwdc->db_flag) {
+
+ /* Need to make two palettes: one for the screen DC and one for the DIB. */
+ pPal->palNumEntries = pwdc->nColors;
+ for (i = 0; i < pwdc->nColors; i++) {
+ pPal->palPalEntry[i].peRed = componentFromIndex( i, rb, rs );
+ pPal->palPalEntry[i].peGreen = componentFromIndex( i, gb, gs );
+ pPal->palPalEntry[i].peBlue = componentFromIndex( i, bb, bs );
+ pPal->palPalEntry[i].peFlags = 0;
+ }
+ pwdc->hGLPalette = CreatePalette( pPal );
+ pwdc->hPalette = CreatePalette( pPal );
+ }
+
+ else {
+ pPal->palNumEntries = pwdc->nColors;
+ for (i = 0; i < pwdc->nColors; i++) {
+ pPal->palPalEntry[i].peRed = componentFromIndex( i, rb, rs );
+ pPal->palPalEntry[i].peGreen = componentFromIndex( i, gb, gs );
+ pPal->palPalEntry[i].peBlue = componentFromIndex( i, bb, bs );
+ pPal->palPalEntry[i].peFlags = 0;
+ }
+ pwdc->hGLPalette = CreatePalette( pPal );
+ }
+
+ free(pPal);
+
+}
+
+void /*WINAPI*/ wmSetPixel(PWMC pwc, int iScanLine, int iPixel, BYTE r, BYTE g, BYTE b)
+{
+ if (Current->db_flag) {
+ LPBYTE lpb = pwc->pbPixels;
+ LPDWORD lpdw;
+ LPWORD lpw;
+ UINT nBypp = pwc->cColorBits >> 3;
+ UINT nOffset = iPixel % nBypp;
+
+ // Move the pixel buffer pointer to the scanline that we
+ // want to access
+
+ // pwc->dib.fFlushed = FALSE;
+
+ lpb += pwc->ScanWidth * iScanLine;
+ // Now move to the desired pixel
+ lpb += iPixel * nBypp;
+ lpb = PIXELADDR(iPixel, iScanLine);
+ lpdw = (LPDWORD)lpb;
+ lpw = (LPWORD)lpb;
+
+ if(nBypp == 1){
+ if(pwc->dither_flag)
+ *lpb = DITHER_RGB_2_8BIT(r,g,b,iScanLine,iPixel);
+ else
+ *lpb = BGR8(r,g,b);
+ }
+ else if(nBypp == 2)
+ *lpw = BGR16(r,g,b);
+ else if (nBypp == 3){
+ *lpdw = BGR24(r,g,b);
+ }
+ else if (nBypp == 4)
+ *lpdw = BGR32(r,g,b);
+ }
+ else{
+ SetPixel(Current->hDC, iPixel, iScanLine, RGB(r,g,b));
+ DD_RELEASEDC;
+ }
+}
+
+void /*WINAPI*/ wmCreateDIBSection(
+ HDC hDC,
+ PWMC pwc, // handle of device context
+ CONST BITMAPINFO *pbmi, // address of structure containing bitmap size, format, and color data
+ UINT iUsage // color data type indicator: RGB values or palette indices
+ )
+{
+ DWORD dwSize = 0;
+ DWORD dwScanWidth;
+ UINT nBypp = pwc->cColorBits / 8;
+ HDC hic;
+
+ dwScanWidth = (((pwc->ScanWidth * nBypp)+ 3) & ~3);
+
+ pwc->ScanWidth =pwc->pitch = dwScanWidth;
+
+ if (stereo_flag)
+ pwc->ScanWidth = 2* pwc->pitch;
+
+ dwSize = sizeof(BITMAPINFO) + (dwScanWidth * pwc->height);
+
+ pwc->dib.hFileMap = CreateFileMapping((HANDLE)PAGE_FILE,
+ NULL,
+ PAGE_READWRITE | SEC_COMMIT,
+ 0,
+ dwSize,
+ NULL);
+
+ if (!pwc->dib.hFileMap)
+ return;
+
+ pwc->dib.base = MapViewOfFile(pwc->dib.hFileMap,
+ FILE_MAP_ALL_ACCESS,
+ 0,
+ 0,
+ 0);
+
+ if(!pwc->dib.base){
+ CloseHandle(pwc->dib.hFileMap);
+ return;
+ }
+
+ // pwc->pbPixels = pwc->addrOffScreen = ((LPBYTE)pwc->dib.base) + sizeof(BITMAPINFO);
+
+ // pwc->dib.hDC = CreateCompatibleDC(hDC);
+
+ CopyMemory(pwc->dib.base, pbmi, sizeof(BITMAPINFO));
+
+ hic = CreateIC("display", NULL, NULL, NULL);
+ pwc->dib.hDC = CreateCompatibleDC(hic);
+
+
+ /* pwc->hbmDIB = CreateDIBitmap(hic,
+ &(pwc->bmi.bmiHeader),
+ CBM_INIT,
+ pwc->pbPixels,
+ &(pwc->bmi),
+ DIB_RGB_COLORS);
+ */
+ pwc->hbmDIB = CreateDIBSection(hic,
+ &(pwc->bmi),
+ (iUsage ? DIB_PAL_COLORS : DIB_RGB_COLORS),
+ &(pwc->pbPixels),
+ pwc->dib.hFileMap,
+ 0);
+ /*
+ pwc->hbmDIB = CreateDIBSection(hic,
+ &(pwc->bmi),
+ DIB_RGB_COLORS,
+ &(pwc->pbPixels),
+ pwc->dib.hFileMap,
+ 0);
+ */
+ pwc->ScreenMem = pwc->addrOffScreen = pwc->pbPixels;
+ pwc->hOldBitmap = SelectObject(pwc->dib.hDC, pwc->hbmDIB);
+
+ DeleteDC(hic);
+
+ return;
+
+}
+
+//
+// Blit memory DC to screen DC
+//
+BOOL /*WINAPI*/ wmFlush(PWMC pwc)
+{
+ BOOL bRet = 0;
+ DWORD dwErr = 0;
+#ifdef DDRAW
+ HRESULT ddrval;
+#endif
+
+ // Now search through the torus frames and mark used colors
+ if(pwc->db_flag){
+#ifdef DDRAW
+ if (pwc->lpDDSOffScreen == NULL)
+ if(DDCreateOffScreen(pwc) == GL_FALSE)
+ return;
+
+ pwc->lpDDSOffScreen->lpVtbl->Unlock(pwc->lpDDSOffScreen, NULL);
+
+ while( 1 )
+ {
+ ddrval = pwc->lpDDSPrimary->lpVtbl->Blt( pwc->lpDDSPrimary,
+ &(pwc->rectSurface), pwc->lpDDSOffScreen, &(pwc->rectOffScreen), 0, NULL );
+
+ if( ddrval == DD_OK )
+ {
+ break;
+ }
+ if( ddrval == DDERR_SURFACELOST )
+ {
+ if(!DDRestoreAll(pwc))
+ {
+ break;
+ }
+ }
+ if( ddrval != DDERR_WASSTILLDRAWING )
+ {
+ break;
+ }
+ }
+
+ while (pwc->lpDDSOffScreen->lpVtbl->Lock(pwc->lpDDSOffScreen,
+ NULL, &(pwc->ddsd), 0, NULL) == DDERR_WASSTILLDRAWING)
+ ;
+
+ if(ddrval != DD_OK)
+ dwErr = GetLastError();
+#else
+ bRet = BitBlt(pwc->hDC, 0, 0, pwc->width, pwc->height,
+ pwc->dib.hDC, 0, 0, SRCCOPY);
+#endif
+ }
+
+ return(TRUE);
+
+}
+
+
+// The following code is added by Li Wei to enable stereo display
+
+#if !defined(NO_STEREO)
+
+void WMesaShowStereo(GLuint list)
+{
+
+ GLbitfield mask = GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT;
+ GLfloat cm[16];
+ GLint matrix_mode;
+ // Must use double Buffer
+ if( ! Current-> db_flag )
+ return;
+
+
+ glGetIntegerv(GL_MATRIX_MODE,&matrix_mode);
+
+ // glPushMatrix(); //****
+ WMesaViewport(Current->gl_ctx,0,Current->height/2,Current->width,Current->height/2);
+ // Current->gl_ctx->NewState = 0;
+
+ // glViewport(0,0,Current->width,Current->height/2);
+ if(matrix_mode!=GL_MODELVIEW)
+ glMatrixMode(GL_MODELVIEW);
+
+ glGetFloatv(GL_MODELVIEW_MATRIX,cm);
+ glLoadIdentity();
+ gluLookAt(viewDistance/2,0.0,0.0 ,
+ viewDistance/2,0.0,-1.0,
+ 0.0,1.0,0.0 );
+ // glTranslatef(viewDistance/2.0,0.,0.);
+ glMultMatrixf( cm );
+
+ Current->ScreenMem = Current->pbPixels = Current->addrOffScreen;
+ //glPushMatrix();
+ glCallList( list );
+ //glPopMatrix();
+
+ glGetFloatv(GL_MODELVIEW_MATRIX,cm);
+ glLoadIdentity();
+ gluLookAt(-viewDistance/2,0.0,0.0 ,
+ -viewDistance/2,0.0,-1.0,
+ 0.0,1.0,0.0 );
+ // glTranslatef(-viewDistance/2.0,0.,0.);
+ glMultMatrixf(cm);
+
+ Current->ScreenMem = Current->pbPixels = Current->addrOffScreen + Current->pitch;
+ glCallList(list);
+ if(matrix_mode!=GL_MODELVIEW)
+ glMatrixMode(matrix_mode);
+
+ // glPopMatrix();
+ glFlush();
+
+ WMesaViewport(Current->gl_ctx,0,0,Current->width,Current->height);
+ // Current->gl_ctx->NewState = 0;
+ WMesaSwapBuffers();
+
+}
+
+void toggleStereoMode()
+{
+ if(!Current->db_flag)
+ return;
+ if(!stereo_flag){
+ stereo_flag = 1;
+ if(stereoBuffer==GL_FALSE)
+#if !defined(NO_PARALLEL)
+ if(!parallelFlag)
+#endif
+ {
+ Current->ScanWidth = Current->pitch*2;
+ }
+ }
+ else {
+ stereo_flag = 0;
+#if !defined(NO_PARALLEL)
+ if(!parallelFlag)
+#endif
+ Current->ScanWidth = Current->pitch;
+ Current->pbPixels = Current->addrOffScreen;
+ }
+}
+
+/* if in stereo mode, the following function is called */
+void glShowStereo(GLuint list)
+{
+ WMesaShowStereo(list);
+}
+
+#endif // End if NO_STEREO not defined
+
+#if !defined(NO_PARALLEL)
+
+void toggleParallelMode(void)
+{
+ if(!parallelFlag){
+ parallelFlag = GL_TRUE;
+ if(parallelMachine==GL_FALSE){
+ PRCreateRenderBuffer( Current->rgb_flag? GL_RGBA :GL_COLOR_INDEX,
+ Current->cColorBits/8,
+ Current->width ,Current->height,
+ Current->ScanWidth,
+ Current->rgb_flag? Current->pbPixels: Current->ScreenMem);
+ parallelMachine = GL_TRUE;
+ }
+ }
+ else {
+ parallelFlag = GL_FALSE;
+ if(parallelMachine==GL_TRUE){
+ PRDestroyRenderBuffer();
+ parallelMachine=GL_FALSE;
+ ReadyForNextFrame = GL_TRUE;
+ }
+
+ /***********************************************
+ // Seems something wrong!!!!
+ ************************************************/
+
+ WMesaMakeCurrent(Current);
+#if !defined(NO_STEREO)
+ stereo_flag = GL_FALSE ;
+#endif
+ }
+}
+
+void PRShowRenderResult(void)
+{
+ int flag = 0;
+ if(!glImageRendered())
+ return;
+
+ if (parallelFlag)
+ {
+ WMesaSwapBuffers();
+ }
+
+}
+#endif //End if NO_PARALLEL not defined
+
+//end modification
+
+BYTE DITHER_RGB_2_8BIT( int red, int green, int blue, int pixel, int scanline)
+{
+ char unsigned redtemp, greentemp, bluetemp, paletteindex;
+
+ //*** now, look up each value in the halftone matrix
+ //*** using an 8x8 ordered dither.
+ redtemp = aDividedBy51[red]
+ + (aModulo51[red] > aHalftone8x8[(pixel%8)*8
+ + scanline%8]);
+ greentemp = aDividedBy51[(char unsigned)green]
+ + (aModulo51[green] > aHalftone8x8[
+ (pixel%8)*8 + scanline%8]);
+ bluetemp = aDividedBy51[(char unsigned)blue]
+ + (aModulo51[blue] > aHalftone8x8[
+ (pixel%8)*8 +scanline%8]);
+
+ //*** recombine the halftoned rgb values into a palette index
+ paletteindex =
+ redtemp + aTimes6[greentemp] + aTimes36[bluetemp];
+
+ //*** and translate through the wing halftone palette
+ //*** translation vector to give the correct value.
+ return aWinGHalftoneTranslation[paletteindex];
+}
+
+#ifdef DDRAW
+/*
+* restoreAll
+*
+* restore all lost objects
+*/
+HRESULT DDRestoreAll( WMesaContext wc )
+{
+ HRESULT ddrval;
+
+ ddrval = wc->lpDDSPrimary->lpVtbl->Restore(wc->lpDDSPrimary);
+ if( ddrval == DD_OK )
+ {
+ ddrval = wc->lpDDSOffScreen->lpVtbl->Restore(wc->lpDDSOffScreen);
+ }
+ return ddrval;
+
+} /* restoreAll */
+
+
+ /*
+ * This function is called if the initialization function fails
+*/
+BOOL initFail( HWND hwnd, WMesaContext wc )
+{
+ DDFree(wc);
+ MessageBox( hwnd, "DirectDraw Init FAILED", "", MB_OK );
+ return FALSE;
+
+} /* initFail */
+
+
+static void DDDeleteOffScreen(WMesaContext wc)
+{
+ if( wc->lpDDSOffScreen != NULL )
+ {
+ wc->lpDDSOffScreen->lpVtbl->Unlock(wc->lpDDSOffScreen,NULL);
+ wc->lpDDSOffScreen->lpVtbl->Release(wc->lpDDSOffScreen);
+ wc->lpDDSOffScreen = NULL;
+ }
+
+}
+
+static void DDFreePrimarySurface(WMesaContext wc)
+{
+ if( wc->lpDDSPrimary != NULL )
+ {
+ if(wc->db_flag == GL_FALSE)
+ wc->lpDDSPrimary->lpVtbl->ReleaseDC(wc->lpDDSPrimary, wc->hDC);
+ wc->lpDDSPrimary->lpVtbl->Release(wc->lpDDSPrimary);
+ wc->lpDDSPrimary = NULL;
+ }
+}
+
+static BOOL DDCreatePrimarySurface(WMesaContext wc)
+{
+ HRESULT ddrval;
+ DDSCAPS ddscaps;
+ wc->ddsd.dwSize = sizeof( wc->ddsd );
+ wc->ddsd.dwFlags = DDSD_CAPS;
+ wc->ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;
+
+ ddrval = wc->lpDD->lpVtbl->CreateSurface( wc->lpDD,&(wc->ddsd), &(wc->lpDDSPrimary), NULL );
+ if( ddrval != DD_OK )
+ {
+ return initFail(wc->hwnd , wc);
+ }
+ if(wc->db_flag == GL_FALSE)
+ wc->lpDDSPrimary->lpVtbl->GetDC(wc->lpDDSPrimary, wc->hDC);
+ return TRUE;
+}
+
+static BOOL DDCreateOffScreen(WMesaContext wc)
+{
+ POINT pt;
+ HRESULT ddrval;
+ if(wc->lpDD == NULL)
+ return FALSE;
+ GetClientRect( wc->hwnd, &(wc->rectOffScreen) );
+ wc->ddsd.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH;
+ wc->ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN;
+ wc->ddsd.dwHeight = wc->rectOffScreen.bottom - wc->rectOffScreen.top;
+ wc->ddsd.dwWidth = wc->rectOffScreen.right - wc->rectOffScreen.left;
+
+ ddrval = wc->lpDD->lpVtbl->CreateSurface( wc->lpDD, &(wc->ddsd), &(wc->lpDDSOffScreen), NULL );
+ if( ddrval != DD_OK )
+ {
+ return FALSE;
+ }
+
+ while (wc->lpDDSOffScreen->lpVtbl->Lock(wc->lpDDSOffScreen,NULL, &(wc->ddsd), 0, NULL) == DDERR_WASSTILLDRAWING)
+ ;
+ // while ((ddrval = wc->lpDDSOffScreen->lpVtbl->Lock(wc->lpDDSOffScreen,NULL, &(wc->ddsd), DDLOCK_SURFACEMEMORYPTR , NULL)) != DD_OK)
+ ;
+ if(wc->ddsd.lpSurface==NULL)
+ return initFail(wc->hwnd, wc);
+
+ wc->ScreenMem = wc->pbPixels = wc->addrOffScreen = (PBYTE)(wc->ddsd.lpSurface);
+ wc->ScanWidth = wc->pitch = wc->ddsd.lPitch;
+ if (stereo_flag)
+ wc->ScanWidth = wc->ddsd.lPitch*2;
+
+ GetClientRect( wc->hwnd, &(wc->rectSurface) );
+ pt.x = pt.y = 0;
+ ClientToScreen( wc->hwnd, &pt );
+ OffsetRect(&(wc->rectSurface), pt.x, pt.y);
+ wmSetPixelFormat(wc, wc->hDC);
+ return TRUE;
+}
+
+/*
+* doInit - do work required for every instance of the application:
+* create the window, initialize data
+*/
+static BOOL DDInit( WMesaContext wc, HWND hwnd)
+{
+ HRESULT ddrval;
+ DWORD dwFrequency;
+
+ LPDIRECTDRAW lpDD; // DirectDraw object
+ LPDIRECTDRAW2 lpDD2;
+
+
+ wc->fullScreen = displayOptions.fullScreen;
+ wc->gMode = displayOptions.mode;
+ wc->hwnd = hwnd;
+ stereo_flag = displayOptions.stereo;
+ if(wc->db_flag!= GL_TRUE)
+ stereo_flag = GL_FALSE;
+ /*
+ * create the main DirectDraw object
+ */
+ ddrval = DirectDrawCreate( NULL, &(wc->lpDD), NULL );
+ if( ddrval != DD_OK )
+ {
+ return initFail(hwnd,wc);
+ }
+
+ // Get exclusive mode if requested
+ if(wc->fullScreen)
+ {
+ ddrval = wc->lpDD->lpVtbl->SetCooperativeLevel( wc->lpDD, hwnd, DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN );
+ }
+ else
+ {
+ ddrval = wc->lpDD->lpVtbl->SetCooperativeLevel( wc->lpDD, hwnd, DDSCL_NORMAL );
+ }
+ if( ddrval != DD_OK )
+ {
+ return initFail(hwnd , wc);
+ }
+
+
+ /* ddrval = wc->lpDD->lpVtbl->QueryInterface(wc->lpDD, IID_IDirectDraw2,
+ (LPVOID *)((wc->lpDD2)));
+
+ */
+ if(ddrval != DD_OK)
+ return initFail(hwnd , wc);
+
+
+ //ddrval = wc->lpDD->lpVtbl->GetDisplayMode( wc->lpDD, &(wc->ddsd));
+ // wc->lpDD2->lpVtbl->GetMonitorFrequency(wc->lpDD, &dwFrequency);
+ switch( wc->gMode )
+ {
+ case 1: ddrval = wc->lpDD->lpVtbl->SetDisplayMode( wc->lpDD, 640, 480, displayOptions.bpp); break;
+ case 2: ddrval = wc->lpDD->lpVtbl->SetDisplayMode( wc->lpDD, 800, 600, displayOptions.bpp); break;
+ case 3: ddrval = wc->lpDD->lpVtbl->SetDisplayMode( wc->lpDD, 1024, 768, displayOptions.bpp); break;
+ case 4: ddrval = wc->lpDD->lpVtbl->SetDisplayMode( wc->lpDD, 1152, 864, displayOptions.bpp); break;
+ case 5: ddrval = wc->lpDD->lpVtbl->SetDisplayMode( wc->lpDD, 1280, 1024, displayOptions.bpp); break;
+ }
+
+ if( ddrval != DD_OK )
+ {
+ printf("Can't modify display mode, current mode used\n");
+ // return initFail(hwnd , wc);
+ }
+ //ddrval = wc->lpDD->lpVtbl->GetDisplayMode( wc->lpDD, &(wc->ddsd));
+ switch(ddrval){
+ case DDERR_INVALIDOBJECT:
+ break;
+ case DDERR_INVALIDPARAMS:
+ break;
+ case DDERR_UNSUPPORTEDMODE:
+ ;
+ }
+
+ if(DDCreatePrimarySurface(wc) == GL_FALSE)
+ return initFail(hwnd, wc);
+
+ if(wc->db_flag)
+ return DDCreateOffScreen(wc);
+} /* DDInit */
+
+static void DDFree( WMesaContext wc)
+{
+ if( wc->lpDD != NULL )
+ {
+ DDFreePrimarySurface(wc);
+ DDDeleteOffScreen(wc);
+ wc->lpDD->lpVtbl->Release(wc->lpDD);
+ wc->lpDD = NULL;
+ }
+ // Clean up the screen on exit
+ RedrawWindow( NULL, NULL, NULL, RDW_INVALIDATE | RDW_ERASE |
+ RDW_ALLCHILDREN );
+
+}
+#endif
+
+void WMesaMove(void)
+{
+ WMesaContext wc = Current;
+ POINT pt;
+ if (Current != NULL){
+ GetClientRect( wc->hwnd, &(wc->rectSurface) );
+ pt.x = pt.y = 0;
+ ClientToScreen( wc->hwnd, &pt );
+ OffsetRect(&(wc->rectSurface), pt.x, pt.y);
+ }
+}
+
+
+
+/*
+* Like PACK_8A8B8G8R() but don't use alpha. This is usually an acceptable
+* shortcut.
+*/
+#define PACK_8B8G8R( R, G, B ) ( ((B) << 16) | ((G) << 8) | (R) )
+
+
+/**********************************************************************/
+/*** Triangle rendering ***/
+/**********************************************************************/
+
+/*
+ * XImage, smooth, depth-buffered, PF_8A8B8G8R triangle.
+ */
+static void smooth_8A8B8G8R_z_triangle( GLcontext *ctx,
+ GLuint v0, GLuint v1, GLuint v2,
+ GLuint pv )
+{
+ WMesaContext wmesa = (WMesaContext) ctx->DriverCtx;
+#define INTERP_Z 1
+#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
+#define INTERP_RGB 1
+#define PIXEL_ADDRESS(X,Y) PIXELADDR4(X,Y)
+#define PIXEL_TYPE GLuint
+ //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line)
+#define BYTES_PER_ROW (wmesa->ScanWidth)
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+ { \
+ GLint i, len = RIGHT-LEFT; \
+ for (i=0;i<len;i++) { \
+ GLdepth z = FixedToDepth(ffz); \
+ if (z < zRow[i]) { \
+ pRow[i] = PACK_8B8G8R( FixedToInt(ffr), FixedToInt(ffg), \
+ FixedToInt(ffb) ); \
+ zRow[i] = z; \
+ } \
+ ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \
+ ffz += fdzdx; \
+ } \
+ }
+
+#ifdef __MINGW32__
+ #include "tritemp.h"
+#else
+
+ #ifdef WIN32
+// #include "..\tritemp.h"
+ #else
+ #include "tritemp.h"
+ #endif
+#endif
+}
+
+
+/*
+* XImage, smooth, depth-buffered, PF_8R8G8B triangle.
+*/
+static void smooth_8R8G8B_z_triangle( GLcontext *ctx,
+ GLuint v0, GLuint v1, GLuint v2,
+ GLuint pv )
+{
+ WMesaContext wmesa = (WMesaContext) ctx->DriverCtx;
+#define INTERP_Z 1
+#define INTERP_RGB 1
+#define PIXEL_ADDRESS(X,Y) PIXELADDR4(X,Y)
+#define PIXEL_TYPE GLuint
+ //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line)
+#define BYTES_PER_ROW (wmesa->ScanWidth)
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+ { \
+ GLint i, len = RIGHT-LEFT; \
+ for (i=0;i<len;i++) { \
+ GLdepth z = FixedToDepth(ffz); \
+ if (z < zRow[i]) { \
+ pRow[i] = PACK_8R8G8B( FixedToInt(ffr), FixedToInt(ffg), \
+ FixedToInt(ffb) ); \
+ zRow[i] = z; \
+ } \
+ ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \
+ ffz += fdzdx; \
+ } \
+ }
+#ifdef __MINGW32__
+ #include "tritemp.h"
+#else
+
+ #ifdef WIN32
+// #include "..\tritemp.h"
+ #else
+ #include "tritemp.h"
+ #endif
+#endif
+}
+
+
+
+/*
+* XImage, smooth, depth-buffered, PF_5R6G5B triangle.
+*/
+static void smooth_5R6G5B_z_triangle( GLcontext *ctx,
+ GLuint v0, GLuint v1, GLuint v2,
+ GLuint pv )
+{
+ WMesaContext wmesa = (WMesaContext) ctx->DriverCtx;
+#define INTERP_Z 1
+#define INTERP_RGB 1
+#define PIXEL_ADDRESS(X,Y) PIXELADDR2(X,Y)
+#define PIXEL_TYPE GLushort
+ //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line)
+#define BYTES_PER_ROW (wmesa->ScanWidth)
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+ { \
+ GLint i, len = RIGHT-LEFT; \
+ for (i=0;i<len;i++) { \
+ GLdepth z = FixedToDepth(ffz); \
+ if (z < zRow[i]) { \
+ pRow[i] = PACK_5R6G5B( FixedToInt(ffr), FixedToInt(ffg), \
+ FixedToInt(ffb) ); \
+ zRow[i] = z; \
+ } \
+ ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \
+ ffz += fdzdx; \
+ } \
+ }
+#ifdef __MINGW32__
+ #include "tritemp.h"
+#else
+
+ #ifdef WIN32
+// #include "..\tritemp.h"
+ #else
+ #include "tritemp.h"
+ #endif
+#endif
+}
+
+/*
+* XImage, flat, depth-buffered, PF_8A8B8G8R triangle.
+*/
+static void flat_8A8B8G8R_z_triangle( GLcontext *ctx, GLuint v0,
+ GLuint v1, GLuint v2, GLuint pv )
+{
+ WMesaContext wmesa = (WMesaContext) ctx->DriverCtx;
+#define INTERP_Z 1
+#define PIXEL_ADDRESS(X,Y) PIXELADDR4(X,Y)
+#define PIXEL_TYPE GLuint
+ //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line)
+#define BYTES_PER_ROW (wmesa->ScanWidth)
+#define SETUP_CODE \
+ unsigned long p = PACK_8B8G8R( VB->ColorPtr->data[pv][0], \
+ VB->ColorPtr->data[pv][1], VB->ColorPtr->data[pv][2] );
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+ { \
+ GLint i, len = RIGHT-LEFT; \
+ for (i=0;i<len;i++) { \
+ GLdepth z = FixedToDepth(ffz); \
+ if (z < zRow[i]) { \
+ pRow[i] = p; \
+ zRow[i] = z; \
+ } \
+ ffz += fdzdx; \
+ } \
+ }
+#ifdef __MINGW32__
+ #include "tritemp.h"
+#else
+
+ #ifdef WIN32
+// #include "..\tritemp.h"
+ #else
+ #include "tritemp.h"
+ #endif
+#endif
+}
+
+
+/*
+* XImage, flat, depth-buffered, PF_8R8G8B triangle.
+*/
+static void flat_8R8G8B_z_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ WMesaContext wmesa = (WMesaContext) ctx->DriverCtx;
+#define INTERP_Z 1
+#define PIXEL_ADDRESS(X,Y) PIXELADDR4(X,Y)
+#define PIXEL_TYPE GLuint
+ //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line)
+#define BYTES_PER_ROW (wmesa->ScanWidth)
+#define SETUP_CODE \
+ unsigned long p = PACK_8R8G8B( VB->ColorPtr->data[pv][0], \
+ VB->ColorPtr->data[pv][1], VB->ColorPtr->data[pv][2] );
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+ { \
+ GLint i, len = RIGHT-LEFT; \
+ for (i=0;i<len;i++) { \
+ GLdepth z = FixedToDepth(ffz); \
+ if (z < zRow[i]) { \
+ pRow[i] = p; \
+ zRow[i] = z; \
+ } \
+ ffz += fdzdx; \
+ } \
+ }
+#ifdef __MINGW32__
+ #include "tritemp.h"
+#else
+
+ #ifdef WIN32
+// #include "..\tritemp.h"
+ #else
+ #include "tritemp.h"
+ #endif
+#endif
+}
+
+
+/*
+* XImage, flat, depth-buffered, PF_5R6G5B triangle.
+*/
+static void flat_5R6G5B_z_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ WMesaContext wmesa = (WMesaContext) ctx->DriverCtx;
+#define INTERP_Z 1
+#define PIXEL_ADDRESS(X,Y) PIXELADDR2(X,Y)
+#define PIXEL_TYPE GLushort
+ //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line)
+#define BYTES_PER_ROW (wmesa->ScanWidth)
+#define SETUP_CODE \
+ unsigned long p = PACK_5R6G5B( VB->ColorPtr->data[pv][0], \
+ VB->ColorPtr->data[pv][1], VB->ColorPtr->data[pv][2] );
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+ { \
+ GLint i, len = RIGHT-LEFT; \
+ for (i=0;i<len;i++) { \
+ GLdepth z = FixedToDepth(ffz); \
+ if (z < zRow[i]) { \
+ pRow[i] = p; \
+ zRow[i] = z; \
+ } \
+ ffz += fdzdx; \
+ } \
+ }
+#ifdef __MINGW32__
+ #include "tritemp.h"
+#else
+
+ #ifdef WIN32
+// #include "..\tritemp.h"
+ #else
+ #include "tritemp.h"
+ #endif
+#endif
+}
+
+
+/*
+* XImage, smooth, NON-depth-buffered, PF_8A8B8G8R triangle.
+*/
+static void smooth_8A8B8G8R_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ WMesaContext wmesa = (WMesaContext) ctx->DriverCtx;
+#define INTERP_RGB 1
+#define PIXEL_ADDRESS(X,Y) PIXELADDR4(X,Y)
+#define PIXEL_TYPE GLuint
+ //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line)
+#define BYTES_PER_ROW (wmesa->ScanWidth)
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+ { \
+ GLint xx; \
+ PIXEL_TYPE *pixel = pRow; \
+ for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \
+ *pixel = PACK_8B8G8R( FixedToInt(ffr), FixedToInt(ffg), \
+ FixedToInt(ffb) ); \
+ ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \
+ } \
+ }
+#ifdef __MINGW32__
+ #include "tritemp.h"
+#else
+
+ #ifdef WIN32
+// #include "..\tritemp.h"
+ #else
+ #include "tritemp.h"
+ #endif
+#endif
+}
+
+
+/*
+* XImage, smooth, NON-depth-buffered, PF_8R8G8B triangle.
+*/
+static void smooth_8R8G8B_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ WMesaContext wmesa = (WMesaContext) ctx->DriverCtx;
+#define INTERP_RGB 1
+#define PIXEL_ADDRESS(X,Y) PIXELADDR4(X,Y)
+#define PIXEL_TYPE GLuint
+ //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line)
+#define BYTES_PER_ROW (wmesa->ScanWidth)
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+ { \
+ GLint xx; \
+ PIXEL_TYPE *pixel = pRow; \
+ for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \
+ *pixel = PACK_8R8G8B( FixedToInt(ffr), FixedToInt(ffg), \
+ FixedToInt(ffb) ); \
+ ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \
+ } \
+ }
+#ifdef __MINGW32__
+ #include "tritemp.h"
+#else
+
+ #ifdef WIN32
+// #include "..\tritemp.h"
+ #else
+ #include "tritemp.h"
+ #endif
+#endif
+}
+
+
+/*
+* XImage, smooth, NON-depth-buffered, PF_5R6G5B triangle.
+*/
+static void smooth_5R6G5B_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ WMesaContext wmesa = (WMesaContext) ctx->DriverCtx;
+#define INTERP_RGB 1
+#define PIXEL_ADDRESS(X,Y) PIXELADDR2(X,Y)
+#define PIXEL_TYPE GLushort
+ //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line)
+#define BYTES_PER_ROW (wmesa->ScanWidth)
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+ { \
+ GLint xx; \
+ PIXEL_TYPE *pixel = pRow; \
+ for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \
+ *pixel = PACK_5R6G5B( FixedToInt(ffr), FixedToInt(ffg), \
+ FixedToInt(ffb) ); \
+ ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \
+ } \
+ }
+#ifdef __MINGW32__
+ #include "tritemp.h"
+#else
+
+ #ifdef WIN32
+// #include "..\tritemp.h"
+ #else
+ #include "tritemp.h"
+ #endif
+#endif
+}
+
+
+
+/*
+* XImage, flat, NON-depth-buffered, PF_8A8B8G8R triangle.
+*/
+static void flat_8A8B8G8R_triangle( GLcontext *ctx, GLuint v0,
+ GLuint v1, GLuint v2, GLuint pv )
+{
+ WMesaContext wmesa = (WMesaContext) ctx->DriverCtx;
+#define PIXEL_ADDRESS(X,Y) PIXELADDR4(X,Y)
+#define PIXEL_TYPE GLuint
+ //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line)
+#define BYTES_PER_ROW (wmesa->ScanWidth)
+#define SETUP_CODE \
+ unsigned long p = PACK_8B8G8R( VB->ColorPtr->data[pv][0], \
+ VB->ColorPtr->data[pv][1], VB->ColorPtr->data[pv][2] );
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+ { \
+ GLint xx; \
+ PIXEL_TYPE *pixel = pRow; \
+ for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \
+ *pixel = p; \
+ } \
+ }
+
+#ifdef __MINGW32__
+ #include "tritemp.h"
+#else
+
+ #ifdef WIN32
+// #include "..\tritemp.h"
+ #else
+ #include "tritemp.h"
+ #endif
+#endif
+}
+
+
+/*
+* XImage, flat, NON-depth-buffered, PF_8R8G8B triangle.
+*/
+static void flat_8R8G8B_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ WMesaContext wmesa = (WMesaContext) ctx->DriverCtx;
+#define PIXEL_ADDRESS(X,Y) PIXELADDR4(X,Y)
+#define PIXEL_TYPE GLuint
+ //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line)
+#define BYTES_PER_ROW (wmesa->ScanWidth)
+#define SETUP_CODE \
+ unsigned long p = PACK_8R8G8B( VB->ColorPtr->data[pv][0], \
+ VB->ColorPtr->data[pv][1], VB->ColorPtr->data[pv][2] );
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+ { \
+ GLint xx; \
+ PIXEL_TYPE *pixel = pRow; \
+ for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \
+ *pixel = p; \
+ } \
+ }
+#ifdef __MINGW32__
+ #include "tritemp.h"
+#else
+
+ #ifdef WIN32
+// #include "..\tritemp.h"
+ #else
+ #include "tritemp.h"
+ #endif
+#endif
+}
+
+
+/*
+* XImage, flat, NON-depth-buffered, PF_5R6G5B triangle.
+*/
+static void flat_5R6G5B_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ WMesaContext wmesa = (WMesaContext) ctx->DriverCtx;
+#define PIXEL_ADDRESS(X,Y) PIXELADDR2(X,Y)
+#define PIXEL_TYPE GLushort
+ //#define BYTES_PER_ROW (wmesa->xm_buffer->backimage->bytes_per_line)
+#define BYTES_PER_ROW (wmesa->ScanWidth)
+#define SETUP_CODE \
+ unsigned long p = PACK_5R6G5B( VB->ColorPtr->data[pv][0], \
+ VB->ColorPtr->data[pv][1], VB->ColorPtr->data[pv][2] );
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+ { \
+ GLint xx; \
+ PIXEL_TYPE *pixel = pRow; \
+ for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \
+ *pixel = p; \
+ } \
+ }
+#ifdef __MINGW32__
+ #include "tritemp.h"
+#else
+
+ #ifdef WIN32
+// #include "..\tritemp.h"
+ #else
+ #include "tritemp.h"
+ #endif
+#endif
+}
+
+
+/*
+* XImage, smooth, depth-buffered, 8-bit PF_LOOKUP triangle.
+*/
+
+static void smooth_ci_z_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ WMesaContext wmesa = (WMesaContext) ctx->DriverCtx;
+#define INTERP_Z 1
+#define INTERP_INDEX 1
+#define PIXEL_ADDRESS(X,Y) PIXELADDR1(X,Y)
+#define PIXEL_TYPE GLubyte
+#define BYTES_PER_ROW (wmesa->ScanWidth)
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+ { \
+ GLint i, len = RIGHT-LEFT; \
+ for (i=0;i<len;i++) { \
+ GLdepth z = FixedToDepth(ffz); \
+ if (z < zRow[i]) { \
+ pRow[i] = FixedToInt(ffi); \
+ zRow[i] = z; \
+ } \
+ ffi += fdidx; \
+ ffz += fdzdx; \
+ } \
+ }
+#ifdef __MINGW32__
+ #include "tritemp.h"
+#else
+
+ #ifdef WIN32
+// #include "..\tritemp.h"
+ #else
+ #include "tritemp.h"
+ #endif
+#endif
+}
+
+
+/*
+* XImage, flat, depth-buffered, 8-bit PF_LOOKUP triangle.
+*/
+
+static void flat_ci_z_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ WMesaContext wmesa = (WMesaContext) ctx->DriverCtx;
+#define INTERP_Z 1
+#define PIXEL_ADDRESS(X,Y) PIXELADDR1(X,Y)
+#define PIXEL_TYPE GLubyte
+#define BYTES_PER_ROW (wmesa->ScanWidth)
+#define SETUP_CODE \
+ GLuint index = VB->IndexPtr->data[pv]; \
+ (*ctx->Driver.Index)( ctx, index );
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+ { \
+ GLint i, len = RIGHT-LEFT; \
+ for (i=0;i<len;i++) { \
+ GLdepth z = FixedToDepth(ffz); \
+ if (z < zRow[i]) { \
+ pRow[i] = index; \
+ zRow[i] = z; \
+ } \
+ ffz += fdzdx; \
+ } \
+ }
+#ifdef __MINGW32__
+ #include "tritemp.h"
+#else
+
+ #ifdef WIN32
+// #include "..\tritemp.h"
+ #else
+ #include "tritemp.h"
+ #endif
+#endif
+}
+
+
+
+/*
+* XImage, smooth, NON-depth-buffered, 8-bit PF_LOOKUP triangle.
+*/
+
+static void smooth_ci_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ WMesaContext wmesa = (WMesaContext) ctx->DriverCtx;
+#define INTERP_Z 1
+#define INTERP_INDEX 1
+#define PIXEL_ADDRESS(X,Y) PIXELADDR1(X,Y)
+#define PIXEL_TYPE GLubyte
+#define BYTES_PER_ROW (wmesa->ScanWidth)
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+ { \
+ GLint xx; \
+ PIXEL_TYPE *pixel = pRow; \
+ for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \
+ *pixel = FixedToInt(ffi); \
+ ffi += fdidx; \
+ } \
+ }
+#ifdef __MINGW32__
+ #include "tritemp.h"
+#else
+
+ #ifdef WIN32
+// #include "..\tritemp.h"
+ #else
+ #include "tritemp.h"
+ #endif
+#endif
+}
+
+
+/*
+* XImage, flat, NON-depth-buffered, 8-bit PF_LOOKUP triangle.
+*/
+static void flat_ci_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ WMesaContext wmesa = (WMesaContext) ctx->DriverCtx;
+#define INTERP_Z 1
+#define PIXEL_ADDRESS(X,Y) PIXELADDR1(X,Y)
+#define PIXEL_TYPE GLubyte
+#define BYTES_PER_ROW (wmesa->ScanWidth)
+#define SETUP_CODE \
+ GLuint index = VB->IndexPtr->data[pv]; \
+ (*ctx->Driver.Index)( ctx, index );
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+ { \
+ GLint xx; \
+ PIXEL_TYPE *pixel = pRow; \
+ for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \
+ *pixel = index; \
+ } \
+ }
+#ifdef __MINGW32__
+ #include "tritemp.h"
+#else
+
+ #ifdef WIN32
+// #include "..\tritemp.h"
+ #else
+ #include "tritemp.h"
+ #endif
+#endif
+}
+
+/*
+* XImage, smooth, depth-buffered, 8-bit, PF_DITHER8 triangle.
+*/
+static void smooth_DITHER8_z_triangle( GLcontext *ctx,
+ GLuint v0, GLuint v1, GLuint v2,
+ GLuint pv )
+{
+ WMesaContext wmesa = (WMesaContext) ctx->DriverCtx;
+ DITHER_RGB_TO_8BIT_SETUP
+#define INTERP_Z 1
+#define INTERP_RGB 1
+#define PIXEL_ADDRESS(X,Y) PIXELADDR1(X,Y)
+#define PIXEL_TYPE GLubyte
+#define BYTES_PER_ROW (wmesa->ScanWidth)
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+ { \
+ GLint i, xx = LEFT, yy = FLIP(Y), len = RIGHT-LEFT; \
+ for (i=0;i<len;i++,xx++) { \
+ GLdepth z = FixedToDepth(ffz); \
+ if (z < zRow[i]) { \
+ DITHER_RGB_TO_8BIT( FixedToInt(ffr), FixedToInt(ffg), \
+ FixedToInt(ffb), xx, yy); \
+ pRow[i] = pixelDithered; \
+ zRow[i] = z; \
+ } \
+ ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \
+ ffz += fdzdx; \
+ } \
+ }
+#ifdef __MINGW32__
+ #include "tritemp.h"
+#else
+
+ #ifdef WIN32
+// #include "..\tritemp.h"
+ #else
+ #include "tritemp.h"
+ #endif
+#endif
+}
+
+/*
+* XImage, flat, depth-buffered, 8-bit PF_DITHER triangle.
+*/
+static void flat_DITHER8_z_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ WMesaContext wmesa = (WMesaContext) ctx->DriverCtx;
+ DITHER_RGB_TO_8BIT_SETUP
+#define INTERP_Z 1
+#define PIXEL_ADDRESS(X,Y) PIXELADDR1(X,Y)
+#define PIXEL_TYPE GLubyte
+#define BYTES_PER_ROW (wmesa->ScanWidth)
+
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+ { \
+ GLint i, xx = LEFT, yy = FLIP(Y), len = RIGHT-LEFT; \
+ for (i=0;i<len;i++,xx++) { \
+ GLdepth z = FixedToDepth(ffz); \
+ if (z < zRow[i]) { \
+ DITHER_RGB_TO_8BIT( VB->ColorPtr->data[pv][0], \
+ VB->ColorPtr->data[pv][1], VB->ColorPtr->data[pv][2], xx, yy); \
+ pRow[i] = pixelDithered; \
+ zRow[i] = z; \
+ } \
+ ffz += fdzdx; \
+ } \
+ }
+#ifdef __MINGW32__
+ #include "tritemp.h"
+#else
+
+ #ifdef WIN32
+// #include "..\tritemp.h"
+ #else
+ #include "tritemp.h"
+ #endif
+#endif
+}
+
+/*
+* XImage, smooth, NON-depth-buffered, 8-bit PF_DITHER triangle.
+*/
+static void smooth_DITHER8_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ WMesaContext wmesa = (WMesaContext) ctx->DriverCtx;
+ DITHER_RGB_TO_8BIT_SETUP
+#define INTERP_RGB 1
+#define PIXEL_ADDRESS(X,Y) PIXELADDR1(X,Y)
+#define PIXEL_TYPE GLubyte
+#define BYTES_PER_ROW (wmesa->ScanWidth)
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+ { \
+ GLint xx, yy = FLIP(Y); \
+ PIXEL_TYPE *pixel = pRow; \
+ for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \
+ DITHER_RGB_TO_8BIT( VB->ColorPtr->data[pv][0], VB->ColorPtr->data[pv][1], VB->ColorPtr->data[pv][2], xx, yy);\
+ *pixel = pixelDithered; \
+ ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \
+ } \
+ }
+#ifdef __MINGW32__
+ #include "tritemp.h"
+#else
+
+ #ifdef WIN32
+// #include "..\tritemp.h"
+ #else
+ #include "tritemp.h"
+ #endif
+#endif
+}
+
+/*
+* XImage, flat, NON-depth-buffered, 8-bit PF_DITHER triangle.
+*/
+
+static void flat_DITHER8_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ WMesaContext wmesa = (WMesaContext) ctx->DriverCtx;
+ DITHER_RGB_TO_8BIT_SETUP
+#define PIXEL_ADDRESS(X,Y) PIXELADDR1(X,Y)
+#define PIXEL_TYPE GLubyte
+#define BYTES_PER_ROW (wmesa->ScanWidth)
+
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+ { \
+ GLint xx, yy = FLIP(Y); \
+ PIXEL_TYPE *pixel = pRow; \
+ for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \
+ DITHER_RGB_TO_8BIT( VB->ColorPtr->data[pv][0], \
+ VB->ColorPtr->data[pv][1], VB->ColorPtr->data[pv][2], xx, yy); \
+ *pixel = pixelDithered; \
+ } \
+ }
+#ifdef __MINGW32__
+ #include "tritemp.h"
+#else
+
+ #ifdef WIN32
+// #include "..\tritemp.h"
+ #else
+ #include "tritemp.h"
+ #endif
+#endif
+}
+
+
+
+
+static /*triangle_func*/ choose_triangle_function( GLcontext *ctx )
+{
+#if 0
+ WMesaContext wmesa = (WMesaContext) ctx->DriverCtx;
+ int depth = wmesa->cColorBits;
+
+ if (ctx->Polygon.SmoothFlag) return NULL;
+ if (ctx->Texture._ReallyEnabled) return NULL;
+ if (!wmesa->db_flag) return NULL;
+ /*if (wmesa->xm_buffer->buffer==XIMAGE)*/ {
+ if ( ctx->Light.ShadeModel==GL_SMOOTH
+ && ctx->_RasterMask==DEPTH_BIT
+ && ctx->Depth.Func==GL_LESS
+ && ctx->Depth.Mask==GL_TRUE
+ && ctx->Polygon.StippleFlag==GL_FALSE) {
+ switch (wmesa->pixelformat) {
+ case PF_8A8B8G8R:
+ return smooth_8A8B8G8R_z_triangle;
+ case PF_8R8G8B:
+ return smooth_8R8G8B_z_triangle;
+ case PF_5R6G5B:
+ return smooth_5R6G5B_z_triangle;
+ case PF_DITHER8:
+ return smooth_DITHER8_z_triangle;
+ case PF_INDEX8:
+ return smooth_ci_z_triangle;
+ default:
+ return NULL;
+ }
+ }
+ if ( ctx->Light.ShadeModel==GL_FLAT
+ && ctx->_RasterMask==DEPTH_BIT
+ && ctx->Depth.Func==GL_LESS
+ && ctx->Depth.Mask==GL_TRUE
+ && ctx->Polygon.StippleFlag==GL_FALSE) {
+ switch (wmesa->pixelformat) {
+ case PF_8A8B8G8R:
+ return flat_8A8B8G8R_z_triangle;
+ case PF_8R8G8B:
+ return flat_8R8G8B_z_triangle;
+ case PF_5R6G5B:
+ return flat_5R6G5B_z_triangle;
+ case PF_DITHER8:
+ return flat_DITHER8_z_triangle;
+ case PF_INDEX8:
+ return flat_ci_z_triangle;
+ default:
+ return NULL;
+ }
+ }
+ if ( ctx->_RasterMask==0 /* no depth test */
+ && ctx->Light.ShadeModel==GL_SMOOTH
+ && ctx->Polygon.StippleFlag==GL_FALSE) {
+ switch (wmesa->pixelformat) {
+ case PF_8A8B8G8R:
+ return smooth_8A8B8G8R_triangle;
+ case PF_8R8G8B:
+ return smooth_8R8G8B_triangle;
+ case PF_5R6G5B:
+ return smooth_5R6G5B_triangle;
+ case PF_DITHER8:
+ return smooth_DITHER8_triangle;
+ case PF_INDEX8:
+ return smooth_ci_triangle;
+ default:
+ return NULL;
+ }
+ }
+
+ if ( ctx->_RasterMask==0 /* no depth test */
+ && ctx->Light.ShadeModel==GL_FLAT
+ && ctx->Polygon.StippleFlag==GL_FALSE) {
+ switch (wmesa->pixelformat) {
+ case PF_8A8B8G8R:
+ return flat_8A8B8G8R_triangle;
+ case PF_8R8G8B:
+ return flat_8R8G8B_triangle;
+ case PF_5R6G5B:
+ return flat_5R6G5B_triangle;
+ case PF_DITHER8:
+ return flat_DITHER8_triangle;
+ case PF_INDEX8:
+ return flat_ci_triangle;
+ default:
+ return NULL;
+ }
+ }
+
+ return NULL;
+ }
+#endif
+}
+
+/*
+* Define a new viewport and reallocate auxillary buffers if the size of
+* the window (color buffer) has changed.
+*/
+void WMesaViewport( GLcontext *ctx,
+ GLint x, GLint y, GLsizei width, GLsizei height )
+{
+#if 0
+ /* Save viewport */
+ ctx->Viewport.X = x;
+ ctx->Viewport.Width = width;
+ ctx->Viewport.Y = y;
+ ctx->Viewport.Height = height;
+
+ /* compute scale and bias values */
+/* Pre-Keith 3.1 changes
+ ctx->Viewport.Map.m[Sx] = (GLfloat) width / 2.0F;
+ ctx->Viewport.Map.m[Tx] = ctx->Viewport.Sx + x;
+ ctx->Viewport.Map.m[Sy] = (GLfloat) height / 2.0F;
+ ctx->Viewport.Map.m[Ty] = ctx->Viewport.Sy + y;
+*/
+ ctx->Viewport.WindowMap.m[MAT_SX] = (GLfloat) width / 2.0F;
+ ctx->Viewport.WindowMap.m[MAT_TX] = ctx->Viewport.WindowMap.m[MAT_SX] + x;
+ ctx->Viewport.WindowMap.m[MAT_SY] = (GLfloat) height / 2.0F;
+ ctx->Viewport.WindowMap.m[MAT_TY] = ctx->Viewport.WindowMap.m[MAT_SY] + y;
+#endif
+}
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