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-rw-r--r--src/mesa/drivers/x11/xm_tri.c1690
1 files changed, 1690 insertions, 0 deletions
diff --git a/src/mesa/drivers/x11/xm_tri.c b/src/mesa/drivers/x11/xm_tri.c
new file mode 100644
index 0000000000..02b186a0b5
--- /dev/null
+++ b/src/mesa/drivers/x11/xm_tri.c
@@ -0,0 +1,1690 @@
+/* $Id: xm_tri.c,v 1.1 2000/09/07 15:40:30 brianp Exp $ */
+
+/*
+ * Mesa 3-D graphics library
+ * Version: 3.3
+ *
+ * Copyright (C) 1999 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+/*
+ * This file contains "accelerated" triangle functions. It should be
+ * fairly easy to write new special-purpose triangle functions and hook
+ * them into this module.
+ */
+
+
+#include "glxheader.h"
+#include "depth.h"
+#include "macros.h"
+#include "vb.h"
+#include "types.h"
+#include "xmesaP.h"
+
+
+
+
+/**********************************************************************/
+/*** Triangle rendering ***/
+/**********************************************************************/
+
+
+#if 0
+/*
+ * Render a triangle into a pixmap, any pixel format, flat shaded and
+ * no raster ops.
+ */
+static void flat_pixmap_triangle( GLcontext *ctx,
+ GLuint v0, GLuint v1, GLuint v2, GLuint pv )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+ struct vertex_buffer *VB = ctx->VB;
+ XMesaPoint p[3];
+ XMesaGC gc;
+
+ if (0 /*VB->MonoColor*/) {
+ gc = xmesa->xm_buffer->gc1; /* use current color */
+ }
+ else {
+ unsigned long pixel;
+ if (xmesa->xm_visual->gl_visual->RGBAflag) {
+ pixel = xmesa_color_to_pixel( xmesa,
+ VB->ColorPtr->data[pv][0], VB->ColorPtr->data[pv][1],
+ VB->ColorPtr->data[pv][2], VB->ColorPtr->data[pv][3],
+ xmesa->pixelformat );
+ }
+ else {
+ pixel = VB->IndexPtr->data[pv];
+ }
+ gc = xmesa->xm_buffer->gc2;
+ XMesaSetForeground( xmesa->display, gc, pixel );
+ }
+ p[0].x = (GLint) (VB->Win.data[v0][0] + 0.5f);
+ p[0].y = FLIP( xmesa->xm_buffer, (GLint) (VB->Win.data[v0][1] - 0.5f) );
+ p[1].x = (GLint) (VB->Win.data[v1][0] + 0.5f);
+ p[1].y = FLIP( xmesa->xm_buffer, (GLint) (VB->Win.data[v1][1] - 0.5f) );
+ p[2].x = (GLint) (VB->Win.data[v2][0] + 0.5f);
+ p[2].y = FLIP( xmesa->xm_buffer, (GLint) (VB->Win.data[v2][1] - 0.5f) );
+ XMesaFillPolygon( xmesa->display, xmesa->xm_buffer->buffer, gc,
+ p, 3, Convex, CoordModeOrigin );
+}
+#endif
+
+
+/*
+ * XImage, smooth, depth-buffered, PF_TRUECOLOR triangle.
+ */
+static void smooth_TRUECOLOR_z_triangle( GLcontext *ctx,
+ GLuint v0, GLuint v1, GLuint v2,
+ GLuint pv )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+ XMesaImage *img = xmesa->xm_buffer->backimage;
+ (void) pv;
+#define INTERP_Z 1
+#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
+#define INTERP_RGB 1
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+{ \
+ GLint i, xx = LEFT, yy = FLIP(xmesa->xm_buffer, Y); \
+ GLint len = RIGHT-LEFT; \
+ for (i=0;i<len;i++,xx++) { \
+ GLdepth z = FixedToDepth(ffz); \
+ if (z < zRow[i]) { \
+ unsigned long p; \
+ PACK_TRUECOLOR(p, FixedToInt(ffr), FixedToInt(ffg), FixedToInt(ffb));\
+ XMesaPutPixel( img, xx, yy, p ); \
+ zRow[i] = z; \
+ } \
+ ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \
+ ffz += fdzdx; \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+
+/*
+ * XImage, smooth, depth-buffered, PF_8A8B8G8R triangle.
+ */
+static void smooth_8A8B8G8R_z_triangle( GLcontext *ctx,
+ GLuint v0, GLuint v1, GLuint v2,
+ GLuint pv )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+ (void) pv;
+#define INTERP_Z 1
+#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
+#define INTERP_RGB 1
+#define PIXEL_ADDRESS(X,Y) PIXELADDR4(xmesa->xm_buffer,X,Y)
+#define PIXEL_TYPE GLuint
+#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
+#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; \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+/*
+ * XImage, smooth, depth-buffered, PF_8R8G8B triangle.
+ */
+static void smooth_8R8G8B_z_triangle( GLcontext *ctx,
+ GLuint v0, GLuint v1, GLuint v2,
+ GLuint pv )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+ (void) pv;
+#define INTERP_Z 1
+#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
+#define INTERP_RGB 1
+#define PIXEL_ADDRESS(X,Y) PIXELADDR4(xmesa->xm_buffer,X,Y)
+#define PIXEL_TYPE GLuint
+#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
+#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; \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+/*
+ * XImage, smooth, depth-buffered, PF_8R8G8B24 triangle.
+ */
+static void smooth_8R8G8B24_z_triangle( GLcontext *ctx,
+ GLuint v0, GLuint v1, GLuint v2,
+ GLuint pv )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+ (void) pv;
+#define INTERP_Z 1
+#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
+#define INTERP_RGB 1
+#define PIXEL_ADDRESS(X,Y) PIXELADDR3(xmesa->xm_buffer,X,Y)
+#define PIXEL_TYPE bgr_t
+#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
+#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]) { \
+ PIXEL_TYPE *ptr = pRow + i; \
+ ptr->r = FixedToInt(ffr); \
+ ptr->g = FixedToInt(ffg); \
+ ptr->b = FixedToInt(ffb); \
+ zRow[i] = z; \
+ } \
+ ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \
+ ffz += fdzdx; \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+/*
+ * XImage, smooth, depth-buffered, PF_TRUEDITHER triangle.
+ */
+static void smooth_TRUEDITHER_z_triangle( GLcontext *ctx,
+ GLuint v0, GLuint v1, GLuint v2,
+ GLuint pv )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+ XMesaImage *img = xmesa->xm_buffer->backimage;
+ (void) pv;
+#define INTERP_Z 1
+#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
+#define INTERP_RGB 1
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+{ \
+ GLint i, xx = LEFT, yy = FLIP(xmesa->xm_buffer,Y), len = RIGHT-LEFT; \
+ for (i=0;i<len;i++,xx++) { \
+ GLdepth z = FixedToDepth(ffz); \
+ if (z < zRow[i]) { \
+ unsigned long p; \
+ PACK_TRUEDITHER( p, xx, yy, FixedToInt(ffr), \
+ FixedToInt(ffg), FixedToInt(ffb) ); \
+ XMesaPutPixel( img, xx, yy, p ); \
+ zRow[i] = z; \
+ } \
+ ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \
+ ffz += fdzdx; \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+/*
+ * XImage, smooth, depth-buffered, PF_5R6G5B triangle.
+ */
+static void smooth_5R6G5B_z_triangle( GLcontext *ctx,
+ GLuint v0, GLuint v1, GLuint v2,
+ GLuint pv )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+ (void) pv;
+#define INTERP_Z 1
+#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
+#define INTERP_RGB 1
+#define PIXEL_ADDRESS(X,Y) PIXELADDR2(xmesa->xm_buffer,X,Y)
+#define PIXEL_TYPE GLushort
+#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+{ \
+ GLint i, len = RIGHT-LEFT; \
+ for (i=0;i<len;i++) { \
+ DEPTH_TYPE 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; \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+/*
+ * XImage, smooth, depth-buffered, PF_DITHER_5R6G5B triangle.
+ */
+static void smooth_DITHER_5R6G5B_z_triangle( GLcontext *ctx,
+ GLuint v0, GLuint v1, GLuint v2,
+ GLuint pv )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+ (void) pv;
+#define INTERP_Z 1
+#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
+#define INTERP_RGB 1
+#define PIXEL_ADDRESS(X,Y) PIXELADDR2(xmesa->xm_buffer,X,Y)
+#define PIXEL_TYPE GLushort
+#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
+#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]) { \
+ PACK_TRUEDITHER(pRow[i], LEFT+i, Y, FixedToInt(ffr), \
+ FixedToInt(ffg), FixedToInt(ffb) ); \
+ zRow[i] = z; \
+ } \
+ ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \
+ ffz += fdzdx; \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+/*
+ * 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 )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+ (void) pv;
+#define INTERP_Z 1
+#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
+#define INTERP_RGB 1
+#define PIXEL_ADDRESS(X,Y) PIXELADDR1(xmesa->xm_buffer,X,Y)
+#define PIXEL_TYPE GLubyte
+#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+{ \
+ GLint i, xx = LEFT, yy = FLIP(xmesa->xm_buffer,Y), len = RIGHT-LEFT; \
+ XDITHER_SETUP(yy); \
+ for (i=0;i<len;i++,xx++) { \
+ GLdepth z = FixedToDepth(ffz); \
+ if (z < zRow[i]) { \
+ pRow[i] = (PIXEL_TYPE) XDITHER( xx, FixedToInt(ffr), \
+ FixedToInt(ffg), FixedToInt(ffb) ); \
+ zRow[i] = z; \
+ } \
+ ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \
+ ffz += fdzdx; \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+/*
+ * XImage, smooth, depth-buffered, PF_DITHER triangle.
+ */
+static void smooth_DITHER_z_triangle( GLcontext *ctx,
+ GLuint v0, GLuint v1, GLuint v2,
+ GLuint pv )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+ XMesaImage *img = xmesa->xm_buffer->backimage;
+ (void) pv;
+#define INTERP_Z 1
+#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
+#define INTERP_RGB 1
+#define PIXEL_ADDRESS(X,Y) PIXELADDR1(xmesa->xm_buffer,X,Y)
+#define PIXEL_TYPE GLubyte
+#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+{ \
+ GLint i, xx = LEFT, yy = FLIP(xmesa->xm_buffer,Y), len = RIGHT-LEFT; \
+ XDITHER_SETUP(yy); \
+ for (i=0;i<len;i++,xx++) { \
+ GLdepth z = FixedToDepth(ffz); \
+ if (z < zRow[i]) { \
+ unsigned long p = XDITHER( xx, FixedToInt(ffr), \
+ FixedToInt(ffg), FixedToInt(ffb) ); \
+ XMesaPutPixel( img, xx, yy, p ); \
+ zRow[i] = z; \
+ } \
+ ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \
+ ffz += fdzdx; \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+/*
+ * XImage, smooth, depth-buffered, 8-bit PF_LOOKUP triangle.
+ */
+static void smooth_LOOKUP8_z_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+ (void) pv;
+#define INTERP_Z 1
+#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
+#define INTERP_RGB 1
+#define PIXEL_ADDRESS(X,Y) PIXELADDR1(xmesa->xm_buffer,X,Y)
+#define PIXEL_TYPE GLubyte
+#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+{ \
+ GLint i, len = RIGHT-LEFT; \
+ LOOKUP_SETUP; \
+ for (i=0;i<len;i++) { \
+ GLdepth z = FixedToDepth(ffz); \
+ if (z < zRow[i]) { \
+ pRow[i] = LOOKUP( FixedToInt(ffr), FixedToInt(ffg), \
+ FixedToInt(ffb) ); \
+ zRow[i] = z; \
+ } \
+ ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \
+ ffz += fdzdx; \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+
+/*
+ * XImage, smooth, depth-buffered, 8-bit PF_HPCR triangle.
+ */
+static void smooth_HPCR_z_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+ (void) pv;
+#define INTERP_Z 1
+#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
+#define INTERP_RGB 1
+#define PIXEL_ADDRESS(X,Y) PIXELADDR1(xmesa->xm_buffer,X,Y)
+#define PIXEL_TYPE GLubyte
+#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+{ \
+ GLint i, xx = LEFT, yy = FLIP(xmesa->xm_buffer,Y), len = RIGHT-LEFT; \
+ for (i=0;i<len;i++,xx++) { \
+ GLdepth z = FixedToDepth(ffz); \
+ if (z < zRow[i]) { \
+ pRow[i] = DITHER_HPCR( xx, yy, FixedToInt(ffr), \
+ FixedToInt(ffg), FixedToInt(ffb) ); \
+ zRow[i] = z; \
+ } \
+ ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \
+ ffz += fdzdx; \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+/*
+ * XImage, flat, depth-buffered, PF_TRUECOLOR triangle.
+ */
+static void flat_TRUECOLOR_z_triangle( GLcontext *ctx,
+ GLuint v0, GLuint v1, GLuint v2,
+ GLuint pv )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+ XMesaImage *img = xmesa->xm_buffer->backimage;
+#define INTERP_Z 1
+#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
+#define SETUP_CODE \
+ unsigned long pixel; \
+ PACK_TRUECOLOR(pixel, VB->ColorPtr->data[pv][0], VB->ColorPtr->data[pv][1], VB->ColorPtr->data[pv][2]);
+
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+{ \
+ GLint i, xx = LEFT, yy = FLIP(xmesa->xm_buffer,Y), len = RIGHT-LEFT; \
+ for (i=0;i<len;i++,xx++) { \
+ GLdepth z = FixedToDepth(ffz); \
+ if (z < zRow[i]) { \
+ XMesaPutPixel( img, xx, yy, pixel ); \
+ zRow[i] = z; \
+ } \
+ ffz += fdzdx; \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+/*
+ * XImage, flat, depth-buffered, PF_8A8B8G8R triangle.
+ */
+static void flat_8A8B8G8R_z_triangle( GLcontext *ctx, GLuint v0,
+ GLuint v1, GLuint v2, GLuint pv )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+#define INTERP_Z 1
+#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
+#define PIXEL_ADDRESS(X,Y) PIXELADDR4(xmesa->xm_buffer,X,Y)
+#define PIXEL_TYPE GLuint
+#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
+#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] = (PIXEL_TYPE) p; \
+ zRow[i] = z; \
+ } \
+ ffz += fdzdx; \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+/*
+ * XImage, flat, depth-buffered, PF_8R8G8B triangle.
+ */
+static void flat_8R8G8B_z_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+#define INTERP_Z 1
+#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
+#define PIXEL_ADDRESS(X,Y) PIXELADDR4(xmesa->xm_buffer,X,Y)
+#define PIXEL_TYPE GLuint
+#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
+#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] = (PIXEL_TYPE) p; \
+ zRow[i] = z; \
+ } \
+ ffz += fdzdx; \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+/*
+ * XImage, flat, depth-buffered, PF_8R8G8B24 triangle.
+ */
+static void flat_8R8G8B24_z_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+ const GLubyte *color = ctx->VB->ColorPtr->data[pv];
+#define INTERP_Z 1
+#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
+#define PIXEL_ADDRESS(X,Y) PIXELADDR3(xmesa->xm_buffer,X,Y)
+#define PIXEL_TYPE bgr_t
+#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
+#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]) { \
+ PIXEL_TYPE *ptr = pRow+i; \
+ ptr->r = color[RCOMP]; \
+ ptr->g = color[GCOMP]; \
+ ptr->b = color[BCOMP]; \
+ zRow[i] = z; \
+ } \
+ ffz += fdzdx; \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+/*
+ * XImage, flat, depth-buffered, PF_TRUEDITHER triangle.
+ */
+static void flat_TRUEDITHER_z_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+ XMesaImage *img = xmesa->xm_buffer->backimage;
+#define INTERP_Z 1
+#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+{ \
+ GLint i, xx = LEFT, yy = FLIP(xmesa->xm_buffer,Y), len = RIGHT-LEFT; \
+ for (i=0;i<len;i++,xx++) { \
+ GLdepth z = FixedToDepth(ffz); \
+ if (z < zRow[i]) { \
+ unsigned long p; \
+ PACK_TRUEDITHER( p, xx, yy, VB->ColorPtr->data[pv][0], \
+ VB->ColorPtr->data[pv][1], VB->ColorPtr->data[pv][2] ); \
+ XMesaPutPixel( img, xx, yy, p ); \
+ zRow[i] = z; \
+ } \
+ ffz += fdzdx; \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+/*
+ * XImage, flat, depth-buffered, PF_5R6G5B triangle.
+ */
+static void flat_5R6G5B_z_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+#define INTERP_Z 1
+#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
+#define PIXEL_ADDRESS(X,Y) PIXELADDR2(xmesa->xm_buffer,X,Y)
+#define PIXEL_TYPE GLushort
+#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
+#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++) { \
+ DEPTH_TYPE z = FixedToDepth(ffz); \
+ if (z < zRow[i]) { \
+ pRow[i] = (PIXEL_TYPE) p; \
+ zRow[i] = z; \
+ } \
+ ffz += fdzdx; \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+/*
+ * XImage, flat, depth-buffered, PF_DITHER_5R6G5B triangle.
+ */
+static void flat_DITHER_5R6G5B_z_triangle( GLcontext *ctx, GLuint v0,
+ GLuint v1, GLuint v2, GLuint pv )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+ const GLubyte *color = ctx->VB->ColorPtr->data[pv];
+#define INTERP_Z 1
+#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
+#define PIXEL_ADDRESS(X,Y) PIXELADDR2(xmesa->xm_buffer,X,Y)
+#define PIXEL_TYPE GLushort
+#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+{ \
+ GLint i, len = RIGHT-LEFT; \
+ for (i=0;i<len;i++) { \
+ DEPTH_TYPE z = FixedToDepth(ffz); \
+ if (z < zRow[i]) { \
+ PACK_TRUEDITHER(pRow[i], LEFT+i, Y, color[RCOMP], \
+ color[GCOMP], color[BCOMP]); \
+ zRow[i] = z; \
+ } \
+ ffz += fdzdx; \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+/*
+ * 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 )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+#define INTERP_Z 1
+#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
+#define PIXEL_ADDRESS(X,Y) PIXELADDR1(xmesa->xm_buffer,X,Y)
+#define PIXEL_TYPE GLubyte
+#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
+#define SETUP_CODE \
+ FLAT_DITHER_SETUP( VB->ColorPtr->data[pv][0], VB->ColorPtr->data[pv][1], VB->ColorPtr->data[pv][2] );
+
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+{ \
+ GLint i, xx = LEFT, len = RIGHT-LEFT; \
+ FLAT_DITHER_ROW_SETUP(FLIP(xmesa->xm_buffer, Y)); \
+ for (i=0;i<len;i++,xx++) { \
+ GLdepth z = FixedToDepth(ffz); \
+ if (z < zRow[i]) { \
+ pRow[i] = (PIXEL_TYPE) FLAT_DITHER(xx); \
+ zRow[i] = z; \
+ } \
+ ffz += fdzdx; \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+/*
+ * XImage, flat, depth-buffered, PF_DITHER triangle.
+ */
+static void flat_DITHER_z_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+ XMesaImage *img = xmesa->xm_buffer->backimage;
+#define INTERP_Z 1
+#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
+#define SETUP_CODE \
+ FLAT_DITHER_SETUP( VB->ColorPtr->data[pv][0], VB->ColorPtr->data[pv][1], VB->ColorPtr->data[pv][2] );
+
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+{ \
+ GLint i, xx = LEFT, yy = FLIP(xmesa->xm_buffer,Y), len = RIGHT-LEFT; \
+ FLAT_DITHER_ROW_SETUP(yy); \
+ for (i=0;i<len;i++,xx++) { \
+ GLdepth z = FixedToDepth(ffz); \
+ if (z < zRow[i]) { \
+ unsigned long p = FLAT_DITHER(xx); \
+ XMesaPutPixel( img, xx, yy, p ); \
+ zRow[i] = z; \
+ } \
+ ffz += fdzdx; \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+/*
+ * XImage, flat, depth-buffered, 8-bit PF_HPCR triangle.
+ */
+static void flat_HPCR_z_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+#define INTERP_Z 1
+#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
+#define PIXEL_ADDRESS(X,Y) PIXELADDR1(xmesa->xm_buffer,X,Y)
+#define PIXEL_TYPE GLubyte
+#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
+#define SETUP_CODE \
+ GLubyte r = VB->ColorPtr->data[pv][0]; \
+ GLubyte g = VB->ColorPtr->data[pv][1]; \
+ GLubyte b = VB->ColorPtr->data[pv][2];
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+{ \
+ GLint i, xx = LEFT, yy = FLIP(xmesa->xm_buffer,Y), len = RIGHT-LEFT; \
+ for (i=0;i<len;i++,xx++) { \
+ GLdepth z = FixedToDepth(ffz); \
+ if (z < zRow[i]) { \
+ pRow[i] = (PIXEL_TYPE) DITHER_HPCR( xx, yy, r, g, b ); \
+ zRow[i] = z; \
+ } \
+ ffz += fdzdx; \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+/*
+ * XImage, flat, depth-buffered, 8-bit PF_LOOKUP triangle.
+ */
+static void flat_LOOKUP8_z_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+#define INTERP_Z 1
+#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
+#define PIXEL_ADDRESS(X,Y) PIXELADDR1(xmesa->xm_buffer,X,Y)
+#define PIXEL_TYPE GLubyte
+#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
+#define SETUP_CODE \
+ LOOKUP_SETUP; \
+ GLubyte r = VB->ColorPtr->data[pv][0]; \
+ GLubyte g = VB->ColorPtr->data[pv][1]; \
+ GLubyte b = VB->ColorPtr->data[pv][2]; \
+ GLubyte p = LOOKUP(r,g,b);
+#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; \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+
+/*
+ * XImage, smooth, NON-depth-buffered, PF_TRUECOLOR triangle.
+ */
+static void smooth_TRUECOLOR_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+ XMesaImage *img = xmesa->xm_buffer->backimage;
+ (void) pv;
+#define INTERP_RGB 1
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+{ \
+ GLint xx, yy = FLIP(xmesa->xm_buffer, Y); \
+ for (xx=LEFT;xx<RIGHT;xx++) { \
+ unsigned long p; \
+ PACK_TRUECOLOR(p, FixedToInt(ffr), FixedToInt(ffg), FixedToInt(ffb));\
+ XMesaPutPixel( img, xx, yy, p ); \
+ ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+/*
+ * XImage, smooth, NON-depth-buffered, PF_8A8B8G8R triangle.
+ */
+static void smooth_8A8B8G8R_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+ (void) pv;
+#define INTERP_RGB 1
+#define PIXEL_ADDRESS(X,Y) PIXELADDR4(xmesa->xm_buffer,X,Y)
+#define PIXEL_TYPE GLuint
+#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
+#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; \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+/*
+ * XImage, smooth, NON-depth-buffered, PF_8R8G8B triangle.
+ */
+static void smooth_8R8G8B_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+ (void) pv;
+#define INTERP_RGB 1
+#define PIXEL_ADDRESS(X,Y) PIXELADDR4(xmesa->xm_buffer,X,Y)
+#define PIXEL_TYPE GLuint
+#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
+#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; \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+/*
+ * XImage, smooth, NON-depth-buffered, PF_8R8G8B triangle.
+ */
+static void smooth_8R8G8B24_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+ (void) pv;
+#define INTERP_RGB 1
+#define PIXEL_ADDRESS(X,Y) PIXELADDR3(xmesa->xm_buffer,X,Y)
+#define PIXEL_TYPE bgr_t
+#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+{ \
+ GLint xx; \
+ PIXEL_TYPE *pixel = pRow; \
+ for (xx=LEFT;xx<RIGHT;xx++) { \
+ pixel->r = FixedToInt(ffr); \
+ pixel->g = FixedToInt(ffg); \
+ pixel->b = FixedToInt(ffb); \
+ ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \
+ pixel++; \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+/*
+ * XImage, smooth, NON-depth-buffered, PF_TRUEDITHER triangle.
+ */
+static void smooth_TRUEDITHER_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+ XMesaImage *img = xmesa->xm_buffer->backimage;
+ (void) pv;
+#define INTERP_RGB 1
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+{ \
+ GLint xx, yy = FLIP(xmesa->xm_buffer, Y); \
+ for (xx=LEFT;xx<RIGHT;xx++) { \
+ unsigned long p; \
+ PACK_TRUEDITHER( p, xx, yy, FixedToInt(ffr), FixedToInt(ffg), \
+ FixedToInt(ffb) ); \
+ XMesaPutPixel( img, xx, yy, p ); \
+ ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+/*
+ * XImage, smooth, NON-depth-buffered, PF_5R6G5B triangle.
+ */
+static void smooth_5R6G5B_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+ (void) pv;
+#define INTERP_RGB 1
+#define PIXEL_ADDRESS(X,Y) PIXELADDR2(xmesa->xm_buffer,X,Y)
+#define PIXEL_TYPE GLushort
+#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+{ \
+ GLint xx; \
+ PIXEL_TYPE *pixel = pRow; \
+ for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \
+ *pixel = (PIXEL_TYPE) PACK_5R6G5B( FixedToInt(ffr), \
+ FixedToInt(ffg), FixedToInt(ffb) ); \
+ ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+/*
+ * XImage, smooth, NON-depth-buffered, PF_DITHER_5R6G5B triangle.
+ */
+static void smooth_DITHER_5R6G5B_triangle( GLcontext *ctx, GLuint v0,
+ GLuint v1, GLuint v2, GLuint pv )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+ (void) pv;
+#define INTERP_RGB 1
+#define PIXEL_ADDRESS(X,Y) PIXELADDR2(xmesa->xm_buffer,X,Y)
+#define PIXEL_TYPE GLushort
+#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+{ \
+ GLint xx; \
+ PIXEL_TYPE *pixel = pRow; \
+ for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \
+ PACK_TRUEDITHER(*pixel, xx, Y, FixedToInt(ffr), \
+ FixedToInt(ffg), FixedToInt(ffb) ); \
+ ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+/*
+ * 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 )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+ (void) pv;
+#define INTERP_RGB 1
+#define PIXEL_ADDRESS(X,Y) PIXELADDR1(xmesa->xm_buffer,X,Y)
+#define PIXEL_TYPE GLubyte
+#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+{ \
+ GLint xx, yy = FLIP(xmesa->xm_buffer, Y); \
+ PIXEL_TYPE *pixel = pRow; \
+ XDITHER_SETUP(yy); \
+ for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \
+ *pixel = (PIXEL_TYPE) XDITHER( xx, FixedToInt(ffr), \
+ FixedToInt(ffg), FixedToInt(ffb) ); \
+ ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+/*
+ * XImage, smooth, NON-depth-buffered, PF_DITHER triangle.
+ */
+static void smooth_DITHER_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+ XMesaImage *img = xmesa->xm_buffer->backimage;
+ (void) pv;
+#define INTERP_RGB 1
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+{ \
+ GLint xx, yy = FLIP(xmesa->xm_buffer, Y); \
+ XDITHER_SETUP(yy); \
+ for (xx=LEFT;xx<RIGHT;xx++) { \
+ unsigned long p = XDITHER( xx, FixedToInt(ffr), \
+ FixedToInt(ffg), FixedToInt(ffb) ); \
+ XMesaPutPixel( img, xx, yy, p ); \
+ ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+/*
+ * XImage, smooth, NON-depth-buffered, 8-bit PF_LOOKUP triangle.
+ */
+static void smooth_LOOKUP8_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+ (void) pv;
+#define INTERP_RGB 1
+#define PIXEL_ADDRESS(X,Y) PIXELADDR1(xmesa->xm_buffer,X,Y)
+#define PIXEL_TYPE GLubyte
+#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+{ \
+ GLint xx; \
+ PIXEL_TYPE *pixel = pRow; \
+ LOOKUP_SETUP; \
+ for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \
+ *pixel = LOOKUP( FixedToInt(ffr), FixedToInt(ffg), \
+ FixedToInt(ffb) ); \
+ ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+
+/*
+ * XImage, smooth, NON-depth-buffered, 8-bit PF_HPCR triangle.
+ */
+static void smooth_HPCR_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+ (void) pv;
+#define INTERP_RGB 1
+#define PIXEL_ADDRESS(X,Y) PIXELADDR1(xmesa->xm_buffer,X,Y)
+#define PIXEL_TYPE GLubyte
+#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+{ \
+ GLint xx, yy = FLIP(xmesa->xm_buffer, Y); \
+ PIXEL_TYPE *pixel = pRow; \
+ for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \
+ *pixel = DITHER_HPCR( xx, yy, FixedToInt(ffr), \
+ FixedToInt(ffg), FixedToInt(ffb) ); \
+ ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+/*
+ * XImage, flat, NON-depth-buffered, PF_TRUECOLOR triangle.
+ */
+static void flat_TRUECOLOR_triangle( GLcontext *ctx, GLuint v0,
+ GLuint v1, GLuint v2, GLuint pv )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+ XMesaImage *img = xmesa->xm_buffer->backimage;
+#define SETUP_CODE \
+ unsigned long pixel; \
+ PACK_TRUECOLOR(pixel, VB->ColorPtr->data[pv][0], VB->ColorPtr->data[pv][1], VB->ColorPtr->data[pv][2]);
+
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+{ \
+ GLint xx, yy = FLIP(xmesa->xm_buffer, Y); \
+ for (xx=LEFT;xx<RIGHT;xx++) { \
+ XMesaPutPixel( img, xx, yy, pixel ); \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+/*
+ * XImage, flat, NON-depth-buffered, PF_8A8B8G8R triangle.
+ */
+static void flat_8A8B8G8R_triangle( GLcontext *ctx, GLuint v0,
+ GLuint v1, GLuint v2, GLuint pv )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+#define PIXEL_ADDRESS(X,Y) PIXELADDR4(xmesa->xm_buffer,X,Y)
+#define PIXEL_TYPE GLuint
+#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
+#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 = (PIXEL_TYPE) p; \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+/*
+ * XImage, flat, NON-depth-buffered, PF_8R8G8B triangle.
+ */
+static void flat_8R8G8B_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+#define PIXEL_ADDRESS(X,Y) PIXELADDR4(xmesa->xm_buffer,X,Y)
+#define PIXEL_TYPE GLuint
+#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
+#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 = (PIXEL_TYPE) p; \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+/*
+ * XImage, flat, NON-depth-buffered, PF_8R8G8B24 triangle.
+ */
+static void flat_8R8G8B24_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+ const GLubyte *color = ctx->VB->ColorPtr->data[pv];
+#define PIXEL_ADDRESS(X,Y) PIXELADDR3(xmesa->xm_buffer,X,Y)
+#define PIXEL_TYPE bgr_t
+#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+{ \
+ GLint xx; \
+ PIXEL_TYPE *pixel = pRow; \
+ for (xx=LEFT;xx<RIGHT;xx++) { \
+ pixel->r = color[RCOMP]; \
+ pixel->g = color[GCOMP]; \
+ pixel->b = color[BCOMP]; \
+ pixel++; \
+ } \
+}
+#include "tritemp.h"
+}
+
+/*
+ * XImage, flat, NON-depth-buffered, PF_TRUEDITHER triangle.
+ */
+static void flat_TRUEDITHER_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+ XMesaImage *img = xmesa->xm_buffer->backimage;
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+{ \
+ GLint xx, yy = FLIP(xmesa->xm_buffer, Y); \
+ for (xx=LEFT;xx<RIGHT;xx++) { \
+ unsigned long p; \
+ PACK_TRUEDITHER( p, xx, yy, VB->ColorPtr->data[pv][0], \
+ VB->ColorPtr->data[pv][1], VB->ColorPtr->data[pv][2] ); \
+ XMesaPutPixel( img, xx, yy, p ); \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+
+/*
+ * XImage, flat, NON-depth-buffered, PF_5R6G5B triangle.
+ */
+static void flat_5R6G5B_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+#define PIXEL_ADDRESS(X,Y) PIXELADDR2(xmesa->xm_buffer,X,Y)
+#define PIXEL_TYPE GLushort
+#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
+#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 = (PIXEL_TYPE) p; \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+/*
+ * XImage, flat, NON-depth-buffered, PF_DITHER_5R6G5B triangle.
+ */
+static void flat_DITHER_5R6G5B_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+ const GLubyte *color = ctx->VB->ColorPtr->data[pv];
+#define PIXEL_ADDRESS(X,Y) PIXELADDR2(xmesa->xm_buffer,X,Y)
+#define PIXEL_TYPE GLushort
+#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+{ \
+ GLint xx; \
+ PIXEL_TYPE *pixel = pRow; \
+ for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \
+ PACK_TRUEDITHER(*pixel, xx, Y, color[RCOMP], \
+ color[GCOMP], color[BCOMP]); \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+/*
+ * 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 )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+#define PIXEL_ADDRESS(X,Y) PIXELADDR1(xmesa->xm_buffer,X,Y)
+#define PIXEL_TYPE GLubyte
+#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
+#define SETUP_CODE \
+ FLAT_DITHER_SETUP( 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; \
+ FLAT_DITHER_ROW_SETUP(FLIP(xmesa->xm_buffer, Y)); \
+ for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \
+ *pixel = (PIXEL_TYPE) FLAT_DITHER(xx); \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+/*
+ * XImage, flat, NON-depth-buffered, PF_DITHER triangle.
+ */
+static void flat_DITHER_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+ XMesaImage *img = xmesa->xm_buffer->backimage;
+#define SETUP_CODE \
+ FLAT_DITHER_SETUP( VB->ColorPtr->data[pv][0], VB->ColorPtr->data[pv][1], VB->ColorPtr->data[pv][2] );
+
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+{ \
+ GLint xx, yy = FLIP(xmesa->xm_buffer, Y); \
+ FLAT_DITHER_ROW_SETUP(yy); \
+ for (xx=LEFT;xx<RIGHT;xx++) { \
+ unsigned long p = FLAT_DITHER(xx); \
+ XMesaPutPixel( img, xx, yy, p ); \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+/*
+ * XImage, flat, NON-depth-buffered, 8-bit PF_HPCR triangle.
+ */
+static void flat_HPCR_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+#define PIXEL_ADDRESS(X,Y) PIXELADDR1(xmesa->xm_buffer,X,Y)
+#define PIXEL_TYPE GLubyte
+#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
+#define SETUP_CODE \
+ GLubyte r = VB->ColorPtr->data[pv][0]; \
+ GLubyte g = VB->ColorPtr->data[pv][1]; \
+ GLubyte b = VB->ColorPtr->data[pv][2];
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+{ \
+ GLint xx, yy = FLIP(xmesa->xm_buffer, Y); \
+ PIXEL_TYPE *pixel = pRow; \
+ for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \
+ *pixel = (PIXEL_TYPE) DITHER_HPCR( xx, yy, r, g, b ); \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+/*
+ * XImage, flat, NON-depth-buffered, 8-bit PF_LOOKUP triangle.
+ */
+static void flat_LOOKUP8_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+#define PIXEL_ADDRESS(X,Y) PIXELADDR1(xmesa->xm_buffer,X,Y)
+#define PIXEL_TYPE GLubyte
+#define BYTES_PER_ROW (xmesa->xm_buffer->backimage->bytes_per_line)
+#define SETUP_CODE \
+ LOOKUP_SETUP; \
+ GLubyte r = VB->ColorPtr->data[pv][0]; \
+ GLubyte g = VB->ColorPtr->data[pv][1]; \
+ GLubyte b = VB->ColorPtr->data[pv][2]; \
+ GLubyte p = LOOKUP(r,g,b);
+#define INNER_LOOP( LEFT, RIGHT, Y ) \
+{ \
+ GLint xx; \
+ PIXEL_TYPE *pixel = pRow; \
+ for (xx=LEFT;xx<RIGHT;xx++,pixel++) { \
+ *pixel = p; \
+ } \
+}
+#include "tritemp.h"
+}
+
+
+
+#if 0
+/*
+ * This function is called if we're about to render triangles into an
+ * X window/pixmap. It sets the polygon stipple pattern if enabled.
+ */
+static void setup_x_polygon_options( GLcontext *ctx )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+ int fill_type;
+
+ if (ctx->Polygon.StippleFlag) {
+ if (xmesa->xm_buffer->stipple_pixmap == 0) {
+ /* Allocate polygon stippling stuff once for this context. */
+ XMesaBuffer b = xmesa->xm_buffer;
+ b->stipple_pixmap = XMesaCreatePixmap( xmesa->display,
+ b->buffer, 32, 32, 1 );
+#ifdef XFree86Server
+ b->stipple_gc = CreateScratchGC(xmesa->display, 1);
+#else
+ b->stipple_gc = XCreateGC(xmesa->display, b->stipple_pixmap, 0, NULL);
+#endif
+ XMesaSetFunction(xmesa->display, b->stipple_gc, GXcopy);
+ XMesaSetForeground(xmesa->display, b->stipple_gc, 1);
+ XMesaSetBackground(xmesa->display, b->stipple_gc, 0);
+ }
+
+ /*
+ * NOTE: We don't handle the following here!
+ * GL_UNPACK_SWAP_BYTES
+ * GL_UNPACK_LSB_FIRST
+ */
+ /* Copy Mesa stipple pattern to an XImage then to Pixmap */
+ {
+ XMesaImage *stipple_ximage;
+ GLuint stipple[32];
+ int i;
+ int shift = xmesa->xm_buffer->height % 32;
+ for (i=0;i<32;i++) {
+ stipple[31-i] = ctx->PolygonStipple[(i+shift) % 32];
+ }
+#ifdef XFree86Server
+ stipple_ximage = XMesaCreateImage(1, 32, 32, (char *)stipple);
+#else
+ stipple_ximage = XCreateImage( xmesa->display,
+ xmesa->xm_visual->visinfo->visual,
+ 1, ZPixmap, 0,
+ (char *)stipple,
+ 32, 32, 8, 0 );
+ stipple_ximage->byte_order = LSBFirst;
+ stipple_ximage->bitmap_bit_order = LSBFirst;
+ stipple_ximage->bitmap_unit = 32;
+#endif
+ XMesaPutImage( xmesa->display,
+ (XMesaDrawable)xmesa->xm_buffer->stipple_pixmap,
+ xmesa->xm_buffer->stipple_gc,
+ stipple_ximage, 0, 0, 0, 0, 32, 32 );
+ stipple_ximage->data = NULL;
+ XMesaDestroyImage( stipple_ximage );
+ }
+
+ XMesaSetStipple( xmesa->display, xmesa->xm_buffer->gc1,
+ xmesa->xm_buffer->stipple_pixmap );
+ XMesaSetStipple( xmesa->display, xmesa->xm_buffer->gc2,
+ xmesa->xm_buffer->stipple_pixmap );
+ fill_type = FillStippled;
+ }
+ else {
+ fill_type = FillSolid;
+ }
+
+ XMesaSetFillStyle( xmesa->display, xmesa->xm_buffer->gc1, fill_type );
+ XMesaSetFillStyle( xmesa->display, xmesa->xm_buffer->gc2, fill_type );
+}
+#endif
+
+
+#ifdef DEBUG
+void
+_xmesa_print_triangle_func( triangle_func triFunc )
+{
+ printf("XMesa tri func = ");
+ if (triFunc ==smooth_TRUECOLOR_z_triangle)
+ printf("smooth_TRUECOLOR_z_triangle\n");
+ else if (triFunc ==smooth_8A8B8G8R_z_triangle)
+ printf("smooth_8A8B8G8R_z_triangle\n");
+ else if (triFunc ==smooth_8R8G8B_z_triangle)
+ printf("smooth_8R8G8B_z_triangle\n");
+ else if (triFunc ==smooth_8R8G8B24_z_triangle)
+ printf("smooth_8R8G8B24_z_triangle\n");
+ else if (triFunc ==smooth_TRUEDITHER_z_triangle)
+ printf("smooth_TRUEDITHER_z_triangle\n");
+ else if (triFunc ==smooth_5R6G5B_z_triangle)
+ printf("smooth_5R6G5B_z_triangle\n");
+ else if (triFunc ==smooth_DITHER_5R6G5B_z_triangle)
+ printf("smooth_DITHER_5R6G5B_z_triangle\n");
+ else if (triFunc ==smooth_HPCR_z_triangle)
+ printf("smooth_HPCR_z_triangle\n");
+ else if (triFunc ==smooth_DITHER8_z_triangle)
+ printf("smooth_DITHER8_z_triangle\n");
+ else if (triFunc ==smooth_LOOKUP8_z_triangle)
+ printf("smooth_LOOKUP8_z_triangle\n");
+ else if (triFunc ==flat_TRUECOLOR_z_triangle)
+ printf("flat_TRUECOLOR_z_triangle\n");
+ else if (triFunc ==flat_8A8B8G8R_z_triangle)
+ printf("flat_8A8B8G8R_z_triangle\n");
+ else if (triFunc ==flat_8R8G8B_z_triangle)
+ printf("flat_8R8G8B_z_triangle\n");
+ else if (triFunc ==flat_8R8G8B24_z_triangle)
+ printf("flat_8R8G8B24_z_triangle\n");
+ else if (triFunc ==flat_TRUEDITHER_z_triangle)
+ printf("flat_TRUEDITHER_z_triangle\n");
+ else if (triFunc ==flat_5R6G5B_z_triangle)
+ printf("flat_5R6G5B_z_triangle\n");
+ else if (triFunc ==flat_DITHER_5R6G5B_z_triangle)
+ printf("flat_DITHER_5R6G5B_z_triangle\n");
+ else if (triFunc ==flat_HPCR_z_triangle)
+ printf("flat_HPCR_z_triangle\n");
+ else if (triFunc ==flat_DITHER8_z_triangle)
+ printf("flat_DITHER8_z_triangle\n");
+ else if (triFunc ==flat_LOOKUP8_z_triangle)
+ printf("flat_LOOKUP8_z_triangle\n");
+ else if (triFunc ==smooth_TRUECOLOR_triangle)
+ printf("smooth_TRUECOLOR_triangle\n");
+ else if (triFunc ==smooth_8A8B8G8R_triangle)
+ printf("smooth_8A8B8G8R_triangle\n");
+ else if (triFunc ==smooth_8R8G8B_triangle)
+ printf("smooth_8R8G8B_triangle\n");
+ else if (triFunc ==smooth_8R8G8B24_triangle)
+ printf("smooth_8R8G8B24_triangle\n");
+ else if (triFunc ==smooth_TRUEDITHER_triangle)
+ printf("smooth_TRUEDITHER_triangle\n");
+ else if (triFunc ==smooth_5R6G5B_triangle)
+ printf("smooth_5R6G5B_triangle\n");
+ else if (triFunc ==smooth_DITHER_5R6G5B_triangle)
+ printf("smooth_DITHER_5R6G5B_triangle\n");
+ else if (triFunc ==smooth_HPCR_triangle)
+ printf("smooth_HPCR_triangle\n");
+ else if (triFunc ==smooth_DITHER8_triangle)
+ printf("smooth_DITHER8_triangle\n");
+ else if (triFunc ==smooth_LOOKUP8_triangle)
+ printf("smooth_LOOKUP8_triangle\n");
+ else if (triFunc ==flat_TRUECOLOR_triangle)
+ printf("flat_TRUECOLOR_triangle\n");
+ else if (triFunc ==flat_TRUEDITHER_triangle)
+ printf("flat_TRUEDITHER_triangle\n");
+ else if (triFunc ==flat_8A8B8G8R_triangle)
+ printf("flat_8A8B8G8R_triangle\n");
+ else if (triFunc ==flat_8R8G8B_triangle)
+ printf("flat_8R8G8B_triangle\n");
+ else if (triFunc ==flat_8R8G8B24_triangle)
+ printf("flat_8R8G8B24_triangle\n");
+ else if (triFunc ==flat_5R6G5B_triangle)
+ printf("flat_5R6G5B_triangle\n");
+ else if (triFunc ==flat_DITHER_5R6G5B_triangle)
+ printf("flat_DITHER_5R6G5B_triangle\n");
+ else if (triFunc ==flat_HPCR_triangle)
+ printf("flat_HPCR_triangle\n");
+ else if (triFunc ==flat_DITHER8_triangle)
+ printf("flat_DITHER8_triangle\n");
+ else if (triFunc ==flat_LOOKUP8_triangle)
+ printf("flat_LOOKUP8_triangle\n");
+ else
+ printf("???\n");
+}
+#endif
+
+
+triangle_func xmesa_get_triangle_func( GLcontext *ctx )
+{
+ XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
+ int depth = GET_VISUAL_DEPTH(xmesa->xm_visual);
+
+ (void) kernel1;
+
+ if (ctx->Polygon.SmoothFlag) return NULL;
+ if (ctx->Texture.Enabled) return NULL;
+
+ if (xmesa->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->Visual->DepthBits == DEFAULT_SOFTWARE_DEPTH_BITS
+ && ctx->Polygon.StippleFlag==GL_FALSE) {
+ switch (xmesa->pixelformat) {
+ case PF_TRUECOLOR:
+ return smooth_TRUECOLOR_z_triangle;
+ case PF_8A8B8G8R:
+ return smooth_8A8B8G8R_z_triangle;
+ case PF_8R8G8B:
+ return smooth_8R8G8B_z_triangle;
+ case PF_8R8G8B24:
+ return smooth_8R8G8B24_z_triangle;
+ case PF_TRUEDITHER:
+ return smooth_TRUEDITHER_z_triangle;
+ case PF_5R6G5B:
+ return smooth_5R6G5B_z_triangle;
+ case PF_DITHER_5R6G5B:
+ return smooth_DITHER_5R6G5B_z_triangle;
+ case PF_HPCR:
+ return smooth_HPCR_z_triangle;
+ case PF_DITHER:
+ return (depth==8) ? smooth_DITHER8_z_triangle
+ : smooth_DITHER_z_triangle;
+ case PF_LOOKUP:
+ return (depth==8) ? smooth_LOOKUP8_z_triangle : NULL;
+ default:
+ return NULL;
+ }
+ }
+ if ( ctx->Light.ShadeModel==GL_FLAT
+ && ctx->RasterMask==DEPTH_BIT
+ && ctx->Depth.Func==GL_LESS
+ && ctx->Depth.Mask==GL_TRUE
+ && ctx->Visual->DepthBits == DEFAULT_SOFTWARE_DEPTH_BITS
+ && ctx->Polygon.StippleFlag==GL_FALSE) {
+ switch (xmesa->pixelformat) {
+ case PF_TRUECOLOR:
+ return flat_TRUECOLOR_z_triangle;
+ case PF_8A8B8G8R:
+ return flat_8A8B8G8R_z_triangle;
+ case PF_8R8G8B:
+ return flat_8R8G8B_z_triangle;
+ case PF_8R8G8B24:
+ return flat_8R8G8B24_z_triangle;
+ case PF_TRUEDITHER:
+ return flat_TRUEDITHER_z_triangle;
+ case PF_5R6G5B:
+ return flat_5R6G5B_z_triangle;
+ case PF_DITHER_5R6G5B:
+ return flat_DITHER_5R6G5B_z_triangle;
+ case PF_HPCR:
+ return flat_HPCR_z_triangle;
+ case PF_DITHER:
+ return (depth==8) ? flat_DITHER8_z_triangle
+ : flat_DITHER_z_triangle;
+ case PF_LOOKUP:
+ return (depth==8) ? flat_LOOKUP8_z_triangle : NULL;
+ default:
+ return NULL;
+ }
+ }
+ if ( ctx->RasterMask==0 /* no depth test */
+ && ctx->Light.ShadeModel==GL_SMOOTH
+ && ctx->Polygon.StippleFlag==GL_FALSE) {
+ switch (xmesa->pixelformat) {
+ case PF_TRUECOLOR:
+ return smooth_TRUECOLOR_triangle;
+ case PF_8A8B8G8R:
+ return smooth_8A8B8G8R_triangle;
+ case PF_8R8G8B:
+ return smooth_8R8G8B_triangle;
+ case PF_8R8G8B24:
+ return smooth_8R8G8B24_triangle;
+ case PF_TRUEDITHER:
+ return smooth_TRUEDITHER_triangle;
+ case PF_5R6G5B:
+ return smooth_5R6G5B_triangle;
+ case PF_DITHER_5R6G5B:
+ return smooth_DITHER_5R6G5B_triangle;
+ case PF_HPCR:
+ return smooth_HPCR_triangle;
+ case PF_DITHER:
+ return (depth==8) ? smooth_DITHER8_triangle
+ : smooth_DITHER_triangle;
+ case PF_LOOKUP:
+ return (depth==8) ? smooth_LOOKUP8_triangle : NULL;
+ default:
+ return NULL;
+ }
+ }
+
+ if ( ctx->RasterMask==0 /* no depth test */
+ && ctx->Light.ShadeModel==GL_FLAT
+ && ctx->Polygon.StippleFlag==GL_FALSE) {
+ switch (xmesa->pixelformat) {
+ case PF_TRUECOLOR:
+ return flat_TRUECOLOR_triangle;
+ case PF_TRUEDITHER:
+ return flat_TRUEDITHER_triangle;
+ case PF_8A8B8G8R:
+ return flat_8A8B8G8R_triangle;
+ case PF_8R8G8B:
+ return flat_8R8G8B_triangle;
+ case PF_8R8G8B24:
+ return flat_8R8G8B24_triangle;
+ case PF_5R6G5B:
+ return flat_5R6G5B_triangle;
+ case PF_DITHER_5R6G5B:
+ return flat_DITHER_5R6G5B_triangle;
+ case PF_HPCR:
+ return flat_HPCR_triangle;
+ case PF_DITHER:
+ return (depth==8) ? flat_DITHER8_triangle
+ : flat_DITHER_triangle;
+ case PF_LOOKUP:
+ return (depth==8) ? flat_LOOKUP8_triangle : NULL;
+ default:
+ return NULL;
+ }
+ }
+
+ return NULL;
+ }
+ else {
+ /* draw to pixmap */
+#if 0
+ /* XXX have to disable this because X's rasterization rules
+ * don't match software Mesa's. This causes a buffer invariance
+ * test failure in the conformance tests.
+ * In the future, we might provide a config option to enable this.
+ */
+ if (ctx->Light.ShadeModel==GL_FLAT && ctx->RasterMask==0) {
+ if (ctx->Color.DitherFlag && depth < 24)
+ return NULL;
+ setup_x_polygon_options( ctx );
+ return flat_pixmap_triangle;
+ }
+#endif
+ return NULL;
+ }
+}