diff options
Diffstat (limited to 'src/mesa/drivers/common/meta.c')
| -rw-r--r-- | src/mesa/drivers/common/meta.c | 745 |
1 files changed, 601 insertions, 144 deletions
diff --git a/src/mesa/drivers/common/meta.c b/src/mesa/drivers/common/meta.c index aa7c73ba36..39b0ab13c6 100644 --- a/src/mesa/drivers/common/meta.c +++ b/src/mesa/drivers/common/meta.c @@ -38,9 +38,12 @@ #include "main/blend.h" #include "main/bufferobj.h" #include "main/buffers.h" +#include "main/colortab.h" +#include "main/convolve.h" #include "main/depth.h" #include "main/enable.h" #include "main/fbobject.h" +#include "main/formats.h" #include "main/image.h" #include "main/macros.h" #include "main/matrix.h" @@ -49,9 +52,11 @@ #include "main/readpix.h" #include "main/scissor.h" #include "main/shaders.h" +#include "main/state.h" #include "main/stencil.h" #include "main/texobj.h" #include "main/texenv.h" +#include "main/texformat.h" #include "main/teximage.h" #include "main/texparam.h" #include "main/texstate.h" @@ -233,7 +238,6 @@ struct copypix_state struct drawpix_state { GLuint ArrayObj; - GLuint VBO; GLuint StencilFP; /**< Fragment program for drawing stencil images */ GLuint DepthFP; /**< Fragment program for drawing depth images */ @@ -271,12 +275,12 @@ struct gl_meta_state struct temp_texture TempTex; - struct blit_state Blit; /**< For _mesa_meta_blit_framebuffer() */ - struct clear_state Clear; /**< For _mesa_meta_clear() */ - struct copypix_state CopyPix; /**< For _mesa_meta_copy_pixels() */ - struct drawpix_state DrawPix; /**< For _mesa_meta_draw_pixels() */ - struct bitmap_state Bitmap; /**< For _mesa_meta_bitmap() */ - struct gen_mipmap_state Mipmap; /**< For _mesa_meta_generate_mipmap() */ + struct blit_state Blit; /**< For _mesa_meta_BlitFramebuffer() */ + struct clear_state Clear; /**< For _mesa_meta_Clear() */ + struct copypix_state CopyPix; /**< For _mesa_meta_CopyPixels() */ + struct drawpix_state DrawPix; /**< For _mesa_meta_DrawPixels() */ + struct bitmap_state Bitmap; /**< For _mesa_meta_Bitmap() */ + struct gen_mipmap_state Mipmap; /**< For _mesa_meta_GenerateMipmap() */ }; @@ -300,41 +304,10 @@ _mesa_meta_init(GLcontext *ctx) void _mesa_meta_free(GLcontext *ctx) { - struct gl_meta_state *meta = ctx->Meta; - - if (_mesa_get_current_context()) { - /* if there's no current context, these textures, buffers, etc should - * still get freed by _mesa_free_context_data(). - */ - - /* the temporary texture */ - _mesa_DeleteTextures(1, &meta->TempTex.TexObj); - - /* glBlitFramebuffer */ - _mesa_DeleteBuffersARB(1, & meta->Blit.VBO); - _mesa_DeleteVertexArraysAPPLE(1, &meta->Blit.ArrayObj); - _mesa_DeletePrograms(1, &meta->Blit.DepthFP); - - /* glClear */ - _mesa_DeleteBuffersARB(1, & meta->Clear.VBO); - _mesa_DeleteVertexArraysAPPLE(1, &meta->Clear.ArrayObj); - - /* glCopyPixels */ - _mesa_DeleteBuffersARB(1, & meta->CopyPix.VBO); - _mesa_DeleteVertexArraysAPPLE(1, &meta->CopyPix.ArrayObj); - - /* glDrawPixels */ - _mesa_DeleteBuffersARB(1, & meta->DrawPix.VBO); - _mesa_DeleteVertexArraysAPPLE(1, &meta->DrawPix.ArrayObj); - _mesa_DeletePrograms(1, &meta->DrawPix.DepthFP); - _mesa_DeletePrograms(1, &meta->DrawPix.StencilFP); - - /* glBitmap */ - _mesa_DeleteBuffersARB(1, & meta->Bitmap.VBO); - _mesa_DeleteVertexArraysAPPLE(1, &meta->Bitmap.ArrayObj); - _mesa_DeleteTextures(1, &meta->Bitmap.Tex.TexObj); - } - + /* Note: Any textures, VBOs, etc, that we allocate should get + * freed by the normal context destruction code. But this would be + * the place to free other meta data someday. + */ _mesa_free(ctx->Meta); ctx->Meta = NULL; } @@ -769,7 +742,6 @@ _mesa_meta_end(GLcontext *ctx) _mesa_MatrixMode(save->MatrixMode); - save->ClipPlanesEnabled = ctx->Transform.ClipPlanesEnabled; if (save->ClipPlanesEnabled) { GLuint i; for (i = 0; i < ctx->Const.MaxClipPlanes; i++) { @@ -805,9 +777,6 @@ _mesa_meta_end(GLcontext *ctx) if (save->Lighting) { _mesa_set_enable(ctx, GL_LIGHTING, GL_TRUE); } - if (save->Fog) { - _mesa_set_enable(ctx, GL_FOG, GL_TRUE); - } } @@ -977,7 +946,8 @@ setup_copypix_texture(struct temp_texture *tex, * Setup/load texture for glDrawPixels. */ static void -setup_drawpix_texture(struct temp_texture *tex, +setup_drawpix_texture(GLcontext *ctx, + struct temp_texture *tex, GLboolean newTex, GLenum texIntFormat, GLsizei width, GLsizei height, @@ -998,9 +968,17 @@ setup_drawpix_texture(struct temp_texture *tex, tex->Width, tex->Height, 0, format, type, pixels); } else { + struct gl_buffer_object *save_unpack_obj = NULL; + + _mesa_reference_buffer_object(ctx, &save_unpack_obj, + ctx->Unpack.BufferObj); + _mesa_BindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, 0); /* create empty texture */ _mesa_TexImage2D(tex->Target, 0, tex->IntFormat, tex->Width, tex->Height, 0, format, type, NULL); + if (save_unpack_obj != NULL) + _mesa_BindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, + save_unpack_obj->Name); /* load image */ _mesa_TexSubImage2D(tex->Target, 0, 0, 0, width, height, format, type, pixels); @@ -1048,14 +1026,143 @@ init_blit_depth_pixels(GLcontext *ctx) /** + * Try to do a glBlitFramebuffer using no-copy texturing. + * We can do this when the src renderbuffer is actually a texture. + * But if the src buffer == dst buffer we cannot do this. + * + * \return new buffer mask indicating the buffers left to blit using the + * normal path. + */ +static GLbitfield +blitframebuffer_texture(GLcontext *ctx, + GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, + GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, + GLbitfield mask, GLenum filter) +{ + if (mask & GL_COLOR_BUFFER_BIT) { + const struct gl_framebuffer *drawFb = ctx->DrawBuffer; + const struct gl_framebuffer *readFb = ctx->ReadBuffer; + const struct gl_renderbuffer_attachment *drawAtt = + &drawFb->Attachment[drawFb->_ColorDrawBufferIndexes[0]]; + const struct gl_renderbuffer_attachment *readAtt = + &readFb->Attachment[readFb->_ColorReadBufferIndex]; + + if (readAtt && readAtt->Texture) { + const struct gl_texture_object *texObj = readAtt->Texture; + const GLuint srcLevel = readAtt->TextureLevel; + const GLenum minFilterSave = texObj->MinFilter; + const GLenum magFilterSave = texObj->MagFilter; + const GLint baseLevelSave = texObj->BaseLevel; + const GLint maxLevelSave = texObj->MaxLevel; + const GLenum wrapSSave = texObj->WrapS; + const GLenum wrapTSave = texObj->WrapT; + const GLenum target = texObj->Target; + + if (drawAtt->Texture == readAtt->Texture) { + /* Can't use same texture as both the source and dest. We need + * to handle overlapping blits and besides, some hw may not + * support this. + */ + return mask; + } + + if (target != GL_TEXTURE_2D && target != GL_TEXTURE_RECTANGLE_ARB) { + /* Can't handle other texture types at this time */ + return mask; + } + + /* + printf("Blit from texture!\n"); + printf(" srcAtt %p dstAtt %p\n", readAtt, drawAtt); + printf(" srcTex %p dstText %p\n", texObj, drawAtt->Texture); + */ + + /* Prepare src texture state */ + _mesa_BindTexture(target, texObj->Name); + _mesa_TexParameteri(target, GL_TEXTURE_MIN_FILTER, filter); + _mesa_TexParameteri(target, GL_TEXTURE_MAG_FILTER, filter); + _mesa_TexParameteri(target, GL_TEXTURE_BASE_LEVEL, srcLevel); + _mesa_TexParameteri(target, GL_TEXTURE_MAX_LEVEL, srcLevel); + _mesa_TexParameteri(target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + _mesa_TexParameteri(target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); + _mesa_set_enable(ctx, target, GL_TRUE); + + /* Prepare vertex data (the VBO was previously created and bound) */ + { + struct vertex { + GLfloat x, y, s, t; + }; + struct vertex verts[4]; + GLfloat s0, t0, s1, t1; + + if (target == GL_TEXTURE_2D) { + const struct gl_texture_image *texImage + = _mesa_select_tex_image(ctx, texObj, target, srcLevel); + s0 = srcX0 / (float) texImage->Width; + s1 = srcX1 / (float) texImage->Width; + t0 = srcY0 / (float) texImage->Height; + t1 = srcY1 / (float) texImage->Height; + } + else { + assert(target == GL_TEXTURE_RECTANGLE_ARB); + s0 = srcX0; + s1 = srcX1; + t0 = srcY0; + t1 = srcY1; + } + + verts[0].x = (GLfloat) dstX0; + verts[0].y = (GLfloat) dstY0; + verts[1].x = (GLfloat) dstX1; + verts[1].y = (GLfloat) dstY0; + verts[2].x = (GLfloat) dstX1; + verts[2].y = (GLfloat) dstY1; + verts[3].x = (GLfloat) dstX0; + verts[3].y = (GLfloat) dstY1; + + verts[0].s = s0; + verts[0].t = t0; + verts[1].s = s1; + verts[1].t = t0; + verts[2].s = s1; + verts[2].t = t1; + verts[3].s = s0; + verts[3].t = t1; + + _mesa_BufferSubDataARB(GL_ARRAY_BUFFER_ARB, 0, sizeof(verts), verts); + } + + _mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4); + + /* Restore texture object state, the texture binding will + * be restored by _mesa_meta_end(). + */ + _mesa_TexParameteri(target, GL_TEXTURE_MIN_FILTER, minFilterSave); + _mesa_TexParameteri(target, GL_TEXTURE_MAG_FILTER, magFilterSave); + _mesa_TexParameteri(target, GL_TEXTURE_BASE_LEVEL, baseLevelSave); + _mesa_TexParameteri(target, GL_TEXTURE_MAX_LEVEL, maxLevelSave); + _mesa_TexParameteri(target, GL_TEXTURE_WRAP_S, wrapSSave); + _mesa_TexParameteri(target, GL_TEXTURE_WRAP_T, wrapTSave); + + /* Done with color buffer */ + mask &= ~GL_COLOR_BUFFER_BIT; + } + } + + return mask; +} + + +/** * Meta implementation of ctx->Driver.BlitFramebuffer() in terms * of texture mapping and polygon rendering. */ void -_mesa_meta_blit_framebuffer(GLcontext *ctx, - GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, - GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, - GLbitfield mask, GLenum filter) +_mesa_meta_BlitFramebuffer(GLcontext *ctx, + GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, + GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, + GLbitfield mask, GLenum filter) { struct blit_state *blit = &ctx->Meta->Blit; struct temp_texture *tex = get_temp_texture(ctx); @@ -1118,6 +1225,18 @@ _mesa_meta_blit_framebuffer(GLcontext *ctx, _mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB, blit->VBO); } + /* Try faster, direct texture approach first */ + mask = blitframebuffer_texture(ctx, srcX0, srcY0, srcX1, srcY1, + dstX0, dstY0, dstX1, dstY1, mask, filter); + if (mask == 0x0) { + _mesa_meta_end(ctx); + return; + } + + /* Continue with "normal" approach which involves copying the src rect + * into a temporary texture and is "blitted" by drawing a textured quad. + */ + newTex = alloc_texture(tex, srcW, srcH, GL_RGBA); /* vertex positions/texcoords (after texture allocation!) */ @@ -1165,7 +1284,7 @@ _mesa_meta_blit_framebuffer(GLcontext *ctx, _mesa_ReadPixels(srcX, srcY, srcW, srcH, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, tmp); - setup_drawpix_texture(tex, newTex, GL_DEPTH_COMPONENT, srcW, srcH, + setup_drawpix_texture(ctx, tex, newTex, GL_DEPTH_COMPONENT, srcW, srcH, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, tmp); _mesa_BindProgram(GL_FRAGMENT_PROGRAM_ARB, blit->DepthFP); @@ -1201,7 +1320,7 @@ _mesa_meta_blit_framebuffer(GLcontext *ctx, * Meta implementation of ctx->Driver.Clear() in terms of polygon rendering. */ void -_mesa_meta_clear(GLcontext *ctx, GLbitfield buffers) +_mesa_meta_Clear(GLcontext *ctx, GLbitfield buffers) { struct clear_state *clear = &ctx->Meta->Clear; struct vertex { @@ -1228,8 +1347,6 @@ _mesa_meta_clear(GLcontext *ctx, GLbitfield buffers) /* create vertex array buffer */ _mesa_GenBuffersARB(1, &clear->VBO); _mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB, clear->VBO); - _mesa_BufferDataARB(GL_ARRAY_BUFFER_ARB, sizeof(verts), - NULL, GL_DYNAMIC_DRAW_ARB); /* setup vertex arrays */ _mesa_VertexPointer(3, GL_FLOAT, sizeof(struct vertex), OFFSET(x)); @@ -1305,7 +1422,8 @@ _mesa_meta_clear(GLcontext *ctx, GLbitfield buffers) } /* upload new vertex data */ - _mesa_BufferSubDataARB(GL_ARRAY_BUFFER_ARB, 0, sizeof(verts), verts); + _mesa_BufferDataARB(GL_ARRAY_BUFFER_ARB, sizeof(verts), verts, + GL_DYNAMIC_DRAW_ARB); } /* draw quad */ @@ -1320,9 +1438,9 @@ _mesa_meta_clear(GLcontext *ctx, GLbitfield buffers) * of texture mapping and polygon rendering. */ void -_mesa_meta_copy_pixels(GLcontext *ctx, GLint srcX, GLint srcY, - GLsizei width, GLsizei height, - GLint dstX, GLint dstY, GLenum type) +_mesa_meta_CopyPixels(GLcontext *ctx, GLint srcX, GLint srcY, + GLsizei width, GLsizei height, + GLint dstX, GLint dstY, GLenum type) { struct copypix_state *copypix = &ctx->Meta->CopyPix; struct temp_texture *tex = get_temp_texture(ctx); @@ -1459,9 +1577,8 @@ tiled_draw_pixels(GLcontext *ctx, tileUnpack.SkipRows = unpack->SkipRows + j; - _mesa_meta_draw_pixels(ctx, tileX, tileY, - tileWidth, tileHeight, - format, type, &tileUnpack, pixels); + _mesa_meta_DrawPixels(ctx, tileX, tileY, tileWidth, tileHeight, + format, type, &tileUnpack, pixels); } } } @@ -1570,11 +1687,11 @@ init_draw_depth_pixels(GLcontext *ctx) * of texture mapping and polygon rendering. */ void -_mesa_meta_draw_pixels(GLcontext *ctx, - GLint x, GLint y, GLsizei width, GLsizei height, - GLenum format, GLenum type, - const struct gl_pixelstore_attrib *unpack, - const GLvoid *pixels) +_mesa_meta_DrawPixels(GLcontext *ctx, + GLint x, GLint y, GLsizei width, GLsizei height, + GLenum format, GLenum type, + const struct gl_pixelstore_attrib *unpack, + const GLvoid *pixels) { struct drawpix_state *drawpix = &ctx->Meta->DrawPix; struct temp_texture *tex = get_temp_texture(ctx); @@ -1587,6 +1704,7 @@ _mesa_meta_draw_pixels(GLcontext *ctx, GLenum texIntFormat; GLboolean fallback, newTex; GLbitfield metaExtraSave = 0x0; + GLuint vbo; /* * Determine if we can do the glDrawPixels with texture mapping. @@ -1666,30 +1784,6 @@ _mesa_meta_draw_pixels(GLcontext *ctx, META_VIEWPORT | metaExtraSave)); - if (drawpix->ArrayObj == 0) { - /* one-time setup */ - - /* create vertex array object */ - _mesa_GenVertexArrays(1, &drawpix->ArrayObj); - _mesa_BindVertexArray(drawpix->ArrayObj); - - /* create vertex array buffer */ - _mesa_GenBuffersARB(1, &drawpix->VBO); - _mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB, drawpix->VBO); - _mesa_BufferDataARB(GL_ARRAY_BUFFER_ARB, sizeof(verts), - NULL, GL_DYNAMIC_DRAW_ARB); - - /* setup vertex arrays */ - _mesa_VertexPointer(3, GL_FLOAT, sizeof(struct vertex), OFFSET(x)); - _mesa_TexCoordPointer(2, GL_FLOAT, sizeof(struct vertex), OFFSET(s)); - _mesa_EnableClientState(GL_VERTEX_ARRAY); - _mesa_EnableClientState(GL_TEXTURE_COORD_ARRAY); - } - else { - _mesa_BindVertexArray(drawpix->ArrayObj); - _mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB, drawpix->VBO); - } - newTex = alloc_texture(tex, width, height, texIntFormat); /* vertex positions, texcoords (after texture allocation!) */ @@ -1720,10 +1814,25 @@ _mesa_meta_draw_pixels(GLcontext *ctx, verts[3].z = z; verts[3].s = 0.0F; verts[3].t = tex->Ttop; + } - /* upload new vertex data */ - _mesa_BufferSubDataARB(GL_ARRAY_BUFFER_ARB, 0, sizeof(verts), verts); + if (drawpix->ArrayObj == 0) { + /* one-time setup: create vertex array object */ + _mesa_GenVertexArrays(1, &drawpix->ArrayObj); } + _mesa_BindVertexArray(drawpix->ArrayObj); + + /* create vertex array buffer */ + _mesa_GenBuffersARB(1, &vbo); + _mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB, vbo); + _mesa_BufferDataARB(GL_ARRAY_BUFFER_ARB, sizeof(verts), + verts, GL_DYNAMIC_DRAW_ARB); + + /* setup vertex arrays */ + _mesa_VertexPointer(3, GL_FLOAT, sizeof(struct vertex), OFFSET(x)); + _mesa_TexCoordPointer(2, GL_FLOAT, sizeof(struct vertex), OFFSET(s)); + _mesa_EnableClientState(GL_VERTEX_ARRAY); + _mesa_EnableClientState(GL_TEXTURE_COORD_ARRAY); /* set given unpack params */ ctx->Unpack = *unpack; @@ -1737,7 +1846,7 @@ _mesa_meta_draw_pixels(GLcontext *ctx, if (!drawpix->StencilFP) init_draw_stencil_pixels(ctx); - setup_drawpix_texture(tex, newTex, texIntFormat, width, height, + setup_drawpix_texture(ctx, tex, newTex, texIntFormat, width, height, GL_ALPHA, type, pixels); _mesa_ColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE); @@ -1780,20 +1889,22 @@ _mesa_meta_draw_pixels(GLcontext *ctx, _mesa_ProgramLocalParameter4fvARB(GL_FRAGMENT_PROGRAM_ARB, 0, ctx->Current.RasterColor); - setup_drawpix_texture(tex, newTex, texIntFormat, width, height, + setup_drawpix_texture(ctx, tex, newTex, texIntFormat, width, height, format, type, pixels); _mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4); } else { /* Drawing RGBA */ - setup_drawpix_texture(tex, newTex, texIntFormat, width, height, + setup_drawpix_texture(ctx, tex, newTex, texIntFormat, width, height, format, type, pixels); _mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4); } _mesa_set_enable(ctx, tex->Target, GL_FALSE); + _mesa_DeleteBuffersARB(1, &vbo); + /* restore unpack params */ ctx->Unpack = unpackSave; @@ -1809,7 +1920,7 @@ _mesa_meta_draw_pixels(GLcontext *ctx, * improve performance a lot. */ void -_mesa_meta_bitmap(GLcontext *ctx, +_mesa_meta_Bitmap(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height, const struct gl_pixelstore_attrib *unpack, const GLubyte *bitmap1) @@ -1933,7 +2044,7 @@ _mesa_meta_bitmap(GLcontext *ctx, _mesa_set_enable(ctx, GL_ALPHA_TEST, GL_TRUE); _mesa_AlphaFunc(GL_GREATER, 0.0); - setup_drawpix_texture(tex, newTex, texIntFormat, width, height, + setup_drawpix_texture(ctx, tex, newTex, texIntFormat, width, height, GL_ALPHA, GL_UNSIGNED_BYTE, bitmap8); _mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4); @@ -1949,9 +2060,78 @@ _mesa_meta_bitmap(GLcontext *ctx, } +/** + * Check if the call to _mesa_meta_GenerateMipmap() will require a + * software fallback. The fallback path will require that the texture + * images are mapped. + * \return GL_TRUE if a fallback is needed, GL_FALSE otherwise + */ +GLboolean +_mesa_meta_check_generate_mipmap_fallback(GLcontext *ctx, GLenum target, + struct gl_texture_object *texObj) +{ + const GLuint fboSave = ctx->DrawBuffer->Name; + struct gen_mipmap_state *mipmap = &ctx->Meta->Mipmap; + struct gl_texture_image *baseImage; + GLuint srcLevel; + GLenum status; + + /* check for fallbacks */ + if (!ctx->Extensions.EXT_framebuffer_object || + target == GL_TEXTURE_3D) { + return GL_TRUE; + } + + srcLevel = texObj->BaseLevel; + baseImage = _mesa_select_tex_image(ctx, texObj, target, srcLevel); + if (!baseImage || _mesa_is_format_compressed(baseImage->TexFormat)) { + return GL_TRUE; + } + + /* + * Test that we can actually render in the texture's format. + */ + if (!mipmap->FBO) + _mesa_GenFramebuffersEXT(1, &mipmap->FBO); + _mesa_BindFramebufferEXT(GL_FRAMEBUFFER_EXT, mipmap->FBO); + + if (target == GL_TEXTURE_1D) { + _mesa_FramebufferTexture1DEXT(GL_FRAMEBUFFER_EXT, + GL_COLOR_ATTACHMENT0_EXT, + target, texObj->Name, srcLevel); + } + else if (target == GL_TEXTURE_3D) { + GLint zoffset = 0; + _mesa_FramebufferTexture3DEXT(GL_FRAMEBUFFER_EXT, + GL_COLOR_ATTACHMENT0_EXT, + target, texObj->Name, srcLevel, zoffset); + } + else { + /* 2D / cube */ + _mesa_FramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, + GL_COLOR_ATTACHMENT0_EXT, + target, texObj->Name, srcLevel); + } + + status = _mesa_CheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT); + + _mesa_BindFramebufferEXT(GL_FRAMEBUFFER_EXT, fboSave); + + if (status != GL_FRAMEBUFFER_COMPLETE_EXT) { + return GL_TRUE; + } + + return GL_FALSE; +} + + +/** + * Called via ctx->Driver.GenerateMipmap() + * Note: texture borders and 3D texture support not yet complete. + */ void -_mesa_meta_generate_mipmap(GLcontext *ctx, GLenum target, - struct gl_texture_object *texObj) +_mesa_meta_GenerateMipmap(GLcontext *ctx, GLenum target, + struct gl_texture_object *texObj) { struct gen_mipmap_state *mipmap = &ctx->Meta->Mipmap; struct vertex { @@ -1962,13 +2142,19 @@ _mesa_meta_generate_mipmap(GLcontext *ctx, GLenum target, const GLuint maxLevel = texObj->MaxLevel; const GLenum minFilterSave = texObj->MinFilter; const GLenum magFilterSave = texObj->MagFilter; + const GLint baseLevelSave = texObj->BaseLevel; + const GLint maxLevelSave = texObj->MaxLevel; + const GLboolean genMipmapSave = texObj->GenerateMipmap; + const GLenum wrapSSave = texObj->WrapS; + const GLenum wrapTSave = texObj->WrapT; + const GLenum wrapRSave = texObj->WrapR; const GLuint fboSave = ctx->DrawBuffer->Name; + const GLuint original_active_unit = ctx->Texture.CurrentUnit; GLenum faceTarget; - GLuint level; + GLuint dstLevel; GLuint border = 0; - /* check for fallbacks */ - if (!ctx->Extensions.EXT_framebuffer_object) { + if (_mesa_meta_check_generate_mipmap_fallback(ctx, target, texObj)) { _mesa_generate_mipmap(ctx, target, texObj); return; } @@ -2009,20 +2195,22 @@ _mesa_meta_generate_mipmap(GLcontext *ctx, GLenum target, } if (!mipmap->FBO) { - /* Bind the new renderbuffer to the color attachment point. */ _mesa_GenFramebuffersEXT(1, &mipmap->FBO); } - _mesa_BindFramebufferEXT(GL_FRAMEBUFFER_EXT, mipmap->FBO); _mesa_TexParameteri(target, GL_TEXTURE_MIN_FILTER, GL_LINEAR); _mesa_TexParameteri(target, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + _mesa_TexParameteri(target, GL_GENERATE_MIPMAP, GL_FALSE); + _mesa_TexParameteri(target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + _mesa_TexParameteri(target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + _mesa_TexParameteri(target, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE); + _mesa_set_enable(ctx, target, GL_TRUE); /* setup texcoords once (XXX what about border?) */ switch (faceTarget) { - case GL_TEXTURE_CUBE_MAP_POSITIVE_X: - break; + case GL_TEXTURE_1D: case GL_TEXTURE_2D: verts[0].s = 0.0F; verts[0].t = 0.0F; @@ -2037,64 +2225,184 @@ _mesa_meta_generate_mipmap(GLcontext *ctx, GLenum target, verts[3].t = 1.0F; verts[3].r = 0.0F; break; + case GL_TEXTURE_3D: + abort(); + break; + default: + /* cube face */ + { + static const GLfloat st[4][2] = { + {0.0f, 0.0f}, {1.0f, 0.0f}, {1.0f, 1.0f}, {0.0f, 1.0f} + }; + GLuint i; + + /* loop over quad verts */ + for (i = 0; i < 4; i++) { + /* Compute sc = +/-scale and tc = +/-scale. + * Not +/-1 to avoid cube face selection ambiguity near the edges, + * though that can still sometimes happen with this scale factor... + */ + const GLfloat scale = 0.9999f; + const GLfloat sc = (2.0f * st[i][0] - 1.0f) * scale; + const GLfloat tc = (2.0f * st[i][1] - 1.0f) * scale; + + switch (faceTarget) { + case GL_TEXTURE_CUBE_MAP_POSITIVE_X: + verts[i].s = 1.0f; + verts[i].t = -tc; + verts[i].r = -sc; + break; + case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: + verts[i].s = -1.0f; + verts[i].t = -tc; + verts[i].r = sc; + break; + case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: + verts[i].s = sc; + verts[i].t = 1.0f; + verts[i].r = tc; + break; + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: + verts[i].s = sc; + verts[i].t = -1.0f; + verts[i].r = -tc; + break; + case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: + verts[i].s = sc; + verts[i].t = -tc; + verts[i].r = 1.0f; + break; + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: + verts[i].s = -sc; + verts[i].t = -tc; + verts[i].r = -1.0f; + break; + default: + assert(0); + } + } + } } + _mesa_set_enable(ctx, target, GL_TRUE); + + /* texture is already locked, unlock now */ + _mesa_unlock_texture(ctx, texObj); - for (level = baseLevel + 1; level <= maxLevel; level++) { + if (original_active_unit != 0) + _mesa_BindTexture(target, texObj->Name); + + for (dstLevel = baseLevel + 1; dstLevel <= maxLevel; dstLevel++) { const struct gl_texture_image *srcImage; - const GLuint srcLevel = level - 1; - GLsizei srcWidth, srcHeight; - GLsizei newWidth, newHeight; + const GLuint srcLevel = dstLevel - 1; + GLsizei srcWidth, srcHeight, srcDepth; + GLsizei dstWidth, dstHeight, dstDepth; GLenum status; - srcImage = _mesa_select_tex_image(ctx, texObj, target, srcLevel); + srcImage = _mesa_select_tex_image(ctx, texObj, faceTarget, srcLevel); assert(srcImage->Border == 0); /* XXX we can fix this */ + /* src size w/out border */ srcWidth = srcImage->Width - 2 * border; srcHeight = srcImage->Height - 2 * border; + srcDepth = srcImage->Depth - 2 * border; - newWidth = MAX2(1, srcWidth / 2) + 2 * border; - newHeight = MAX2(1, srcHeight / 2) + 2 * border; + /* new dst size w/ border */ + dstWidth = MAX2(1, srcWidth / 2) + 2 * border; + dstHeight = MAX2(1, srcHeight / 2) + 2 * border; + dstDepth = MAX2(1, srcDepth / 2) + 2 * border; - if (newWidth == srcImage->Width && newHeight == srcImage->Height) { - break; + if (dstWidth == srcImage->Width && + dstHeight == srcImage->Height && + dstDepth == srcImage->Depth) { + /* all done */ + break; } - /* Create empty image */ - _mesa_TexImage2D(GL_TEXTURE_2D, level, srcImage->InternalFormat, - newWidth, newHeight, border, - GL_RGBA, GL_UNSIGNED_BYTE, NULL); + /* Create empty dest image */ + if (target == GL_TEXTURE_1D) { + _mesa_TexImage1D(target, dstLevel, srcImage->InternalFormat, + dstWidth, border, + GL_RGBA, GL_UNSIGNED_BYTE, NULL); + } + else if (target == GL_TEXTURE_3D) { + _mesa_TexImage3D(target, dstLevel, srcImage->InternalFormat, + dstWidth, dstHeight, dstDepth, border, + GL_RGBA, GL_UNSIGNED_BYTE, NULL); + } + else { + /* 2D or cube */ + _mesa_TexImage2D(faceTarget, dstLevel, srcImage->InternalFormat, + dstWidth, dstHeight, border, + GL_RGBA, GL_UNSIGNED_BYTE, NULL); + + if (target == GL_TEXTURE_CUBE_MAP) { + /* If texturing from a cube, we need to make sure all src faces + * have been defined (even if we're not sampling from them.) + * Otherwise the texture object will be 'incomplete' and + * texturing from it will not be allowed. + */ + GLuint face; + for (face = 0; face < 6; face++) { + if (!texObj->Image[face][srcLevel] || + texObj->Image[face][srcLevel]->Width != srcWidth) { + _mesa_TexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + face, + srcLevel, srcImage->InternalFormat, + srcWidth, srcHeight, border, + GL_RGBA, GL_UNSIGNED_BYTE, NULL); + } + } + } + } - /* vertex positions */ + /* setup vertex positions */ { verts[0].x = 0.0F; verts[0].y = 0.0F; - verts[1].x = (GLfloat) newWidth; + verts[1].x = (GLfloat) dstWidth; verts[1].y = 0.0F; - verts[2].x = (GLfloat) newWidth; - verts[2].y = (GLfloat) newHeight; + verts[2].x = (GLfloat) dstWidth; + verts[2].y = (GLfloat) dstHeight; verts[3].x = 0.0F; - verts[3].y = (GLfloat) newHeight; + verts[3].y = (GLfloat) dstHeight; /* upload new vertex data */ _mesa_BufferSubDataARB(GL_ARRAY_BUFFER_ARB, 0, sizeof(verts), verts); } /* limit sampling to src level */ - _mesa_TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, srcLevel); - _mesa_TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, srcLevel); - - /* Set to draw into the current level */ - _mesa_FramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, - GL_COLOR_ATTACHMENT0_EXT, - target, - texObj->Name, - level); + _mesa_TexParameteri(target, GL_TEXTURE_BASE_LEVEL, srcLevel); + _mesa_TexParameteri(target, GL_TEXTURE_MAX_LEVEL, srcLevel); + + /* Set to draw into the current dstLevel */ + if (target == GL_TEXTURE_1D) { + _mesa_FramebufferTexture1DEXT(GL_FRAMEBUFFER_EXT, + GL_COLOR_ATTACHMENT0_EXT, + target, + texObj->Name, + dstLevel); + } + else if (target == GL_TEXTURE_3D) { + GLint zoffset = 0; /* XXX unfinished */ + _mesa_FramebufferTexture3DEXT(GL_FRAMEBUFFER_EXT, + GL_COLOR_ATTACHMENT0_EXT, + target, + texObj->Name, + dstLevel, zoffset); + } + else { + /* 2D / cube */ + _mesa_FramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, + GL_COLOR_ATTACHMENT0_EXT, + faceTarget, + texObj->Name, + dstLevel); + } - /* Choose to render to the color attachment. */ _mesa_DrawBuffer(GL_COLOR_ATTACHMENT0_EXT); - status = _mesa_CheckFramebufferStatusEXT (GL_FRAMEBUFFER_EXT); + /* sanity check */ + status = _mesa_CheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT); if (status != GL_FRAMEBUFFER_COMPLETE_EXT) { abort(); break; @@ -2103,12 +2411,19 @@ _mesa_meta_generate_mipmap(GLcontext *ctx, GLenum target, _mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4); } + _mesa_lock_texture(ctx, texObj); /* relock */ + _mesa_meta_end(ctx); _mesa_TexParameteri(target, GL_TEXTURE_MIN_FILTER, minFilterSave); _mesa_TexParameteri(target, GL_TEXTURE_MAG_FILTER, magFilterSave); + _mesa_TexParameteri(target, GL_TEXTURE_BASE_LEVEL, baseLevelSave); + _mesa_TexParameteri(target, GL_TEXTURE_MAX_LEVEL, maxLevelSave); + _mesa_TexParameteri(target, GL_GENERATE_MIPMAP, genMipmapSave); + _mesa_TexParameteri(target, GL_TEXTURE_WRAP_S, wrapSSave); + _mesa_TexParameteri(target, GL_TEXTURE_WRAP_T, wrapTSave); + _mesa_TexParameteri(target, GL_TEXTURE_WRAP_R, wrapRSave); - /* restore (XXX add to meta_begin/end()? */ _mesa_BindFramebufferEXT(GL_FRAMEBUFFER_EXT, fboSave); } @@ -2153,15 +2468,14 @@ copy_tex_image(GLcontext *ctx, GLuint dims, GLenum target, GLint level, GLenum internalFormat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border) { - struct gl_texture_unit *texUnit; struct gl_texture_object *texObj; struct gl_texture_image *texImage; + GLsizei postConvWidth = width, postConvHeight = height; GLenum format, type; GLint bpp; void *buf; - texUnit = _mesa_get_current_tex_unit(ctx); - texObj = _mesa_select_tex_object(ctx, texUnit, target); + texObj = _mesa_get_current_tex_object(ctx, target); texImage = _mesa_get_tex_image(ctx, texObj, target, level); format = _mesa_base_tex_format(ctx, internalFormat); @@ -2181,6 +2495,12 @@ copy_tex_image(GLcontext *ctx, GLuint dims, GLenum target, GLint level, return; } + if (texImage->TexFormat == MESA_FORMAT_NONE) + texImage->TexFormat = ctx->Driver.ChooseTextureFormat(ctx, + internalFormat, + format, + type); + _mesa_unlock_texture(ctx, texObj); /* need to unlock first */ /* @@ -2192,9 +2512,30 @@ copy_tex_image(GLcontext *ctx, GLuint dims, GLenum target, GLint level, _mesa_meta_end(ctx); /* + * Prepare for new texture image size/data + */ +#if FEATURE_convolve + if (_mesa_is_color_format(internalFormat)) { + _mesa_adjust_image_for_convolution(ctx, 2, + &postConvWidth, &postConvHeight); + } +#endif + + if (texImage->Data) { + ctx->Driver.FreeTexImageData(ctx, texImage); + } + + _mesa_init_teximage_fields(ctx, target, texImage, + postConvWidth, postConvHeight, 1, + border, internalFormat); + + /* * Store texture data (with pixel transfer ops) */ _mesa_meta_begin(ctx, META_PIXEL_STORE); + + _mesa_update_state(ctx); /* to update pixel transfer state */ + if (target == GL_TEXTURE_1D) { ctx->Driver.TexImage1D(ctx, target, level, internalFormat, width, border, format, type, @@ -2244,18 +2585,16 @@ copy_tex_sub_image(GLcontext *ctx, GLuint dims, GLenum target, GLint level, GLint x, GLint y, GLsizei width, GLsizei height) { - struct gl_texture_unit *texUnit; struct gl_texture_object *texObj; struct gl_texture_image *texImage; GLenum format, type; GLint bpp; void *buf; - texUnit = _mesa_get_current_tex_unit(ctx); - texObj = _mesa_select_tex_object(ctx, texUnit, target); + texObj = _mesa_get_current_tex_object(ctx, target); texImage = _mesa_select_tex_image(ctx, texObj, target, level); - format = texImage->TexFormat->BaseFormat; + format = _mesa_get_format_base_format(texImage->TexFormat); type = get_temp_image_type(ctx, format); bpp = _mesa_bytes_per_pixel(format, type); if (bpp <= 0) { @@ -2282,6 +2621,8 @@ copy_tex_sub_image(GLcontext *ctx, GLuint dims, GLenum target, GLint level, format, type, &ctx->Pack, buf); _mesa_meta_end(ctx); + _mesa_update_state(ctx); /* to update pixel transfer state */ + /* * Store texture data (with pixel transfer ops) */ @@ -2339,3 +2680,119 @@ _mesa_meta_CopyTexSubImage3D(GLcontext *ctx, GLenum target, GLint level, copy_tex_sub_image(ctx, 3, target, level, xoffset, yoffset, zoffset, x, y, width, height); } + + +void +_mesa_meta_CopyColorTable(GLcontext *ctx, + GLenum target, GLenum internalformat, + GLint x, GLint y, GLsizei width) +{ + GLfloat *buf; + + buf = (GLfloat *) _mesa_malloc(width * 4 * sizeof(GLfloat)); + if (!buf) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyColorTable"); + return; + } + + /* + * Read image from framebuffer (disable pixel transfer ops) + */ + _mesa_meta_begin(ctx, META_PIXEL_STORE | META_PIXEL_TRANSFER); + ctx->Driver.ReadPixels(ctx, x, y, width, 1, + GL_RGBA, GL_FLOAT, &ctx->Pack, buf); + + _mesa_ColorTable(target, internalformat, width, GL_RGBA, GL_FLOAT, buf); + + _mesa_meta_end(ctx); + + _mesa_free(buf); +} + + +void +_mesa_meta_CopyColorSubTable(GLcontext *ctx,GLenum target, GLsizei start, + GLint x, GLint y, GLsizei width) +{ + GLfloat *buf; + + buf = (GLfloat *) _mesa_malloc(width * 4 * sizeof(GLfloat)); + if (!buf) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyColorSubTable"); + return; + } + + /* + * Read image from framebuffer (disable pixel transfer ops) + */ + _mesa_meta_begin(ctx, META_PIXEL_STORE | META_PIXEL_TRANSFER); + ctx->Driver.ReadPixels(ctx, x, y, width, 1, + GL_RGBA, GL_FLOAT, &ctx->Pack, buf); + + _mesa_ColorSubTable(target, start, width, GL_RGBA, GL_FLOAT, buf); + + _mesa_meta_end(ctx); + + _mesa_free(buf); +} + + +void +_mesa_meta_CopyConvolutionFilter1D(GLcontext *ctx, GLenum target, + GLenum internalFormat, + GLint x, GLint y, GLsizei width) +{ + GLfloat *buf; + + buf = (GLfloat *) _mesa_malloc(width * 4 * sizeof(GLfloat)); + if (!buf) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyConvolutionFilter2D"); + return; + } + + /* + * Read image from framebuffer (disable pixel transfer ops) + */ + _mesa_meta_begin(ctx, META_PIXEL_STORE | META_PIXEL_TRANSFER); + _mesa_update_state(ctx); + ctx->Driver.ReadPixels(ctx, x, y, width, 1, + GL_RGBA, GL_FLOAT, &ctx->Pack, buf); + + _mesa_ConvolutionFilter1D(target, internalFormat, width, + GL_RGBA, GL_FLOAT, buf); + + _mesa_meta_end(ctx); + + _mesa_free(buf); +} + + +void +_mesa_meta_CopyConvolutionFilter2D(GLcontext *ctx, GLenum target, + GLenum internalFormat, GLint x, GLint y, + GLsizei width, GLsizei height) +{ + GLfloat *buf; + + buf = (GLfloat *) _mesa_malloc(width * height * 4 * sizeof(GLfloat)); + if (!buf) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyConvolutionFilter2D"); + return; + } + + /* + * Read image from framebuffer (disable pixel transfer ops) + */ + _mesa_meta_begin(ctx, META_PIXEL_STORE | META_PIXEL_TRANSFER); + _mesa_update_state(ctx); + + ctx->Driver.ReadPixels(ctx, x, y, width, height, + GL_RGBA, GL_FLOAT, &ctx->Pack, buf); + + _mesa_ConvolutionFilter2D(target, internalFormat, width, height, + GL_RGBA, GL_FLOAT, buf); + + _mesa_meta_end(ctx); + + _mesa_free(buf); +} |