diff options
Diffstat (limited to 'src/mesa/main/context.c')
-rw-r--r-- | src/mesa/main/context.c | 127 |
1 files changed, 70 insertions, 57 deletions
diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c index a41cb42952..c5b90d9cda 100644 --- a/src/mesa/main/context.c +++ b/src/mesa/main/context.c @@ -1,14 +1,9 @@ -/** - * \file context.c - * Mesa context/visual/framebuffer management functions. - * \author Brian Paul - */ - /* * Mesa 3-D graphics library - * Version: 7.1 + * Version: 7.3 * * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. + * Copyright (C) 2008 VMware, Inc. 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"), @@ -28,6 +23,11 @@ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/** + * \file context.c + * Mesa context/visual/framebuffer management functions. + * \author Brian Paul + */ /** * \mainpage Mesa Main Module @@ -145,18 +145,13 @@ #include "glapi/glthread.h" #include "glapi/glapioffsets.h" #include "glapi/glapitable.h" -#if FEATURE_NV_vertex_program || FEATURE_NV_fragment_program #include "shader/program.h" -#endif #include "shader/shader_api.h" #if FEATURE_ATI_fragment_shader #include "shader/atifragshader.h" #endif #if _HAVE_FULL_GL -#include "math/m_translate.h" #include "math/m_matrix.h" -#include "math/m_xform.h" -#include "math/mathmod.h" #endif #ifdef USE_SPARC_ASM @@ -186,9 +181,11 @@ GLfloat _mesa_ubyte_to_float_color_tab[256]; * We have to finish any pending rendering. */ void -_mesa_notifySwapBuffers(__GLcontext *gc) +_mesa_notifySwapBuffers(__GLcontext *ctx) { - FLUSH_VERTICES( gc, 0 ); + if (ctx->Driver.Flush) { + ctx->Driver.Flush(ctx); + } } @@ -387,13 +384,9 @@ one_time_init( GLcontext *ctx ) _mesa_init_sqrt_table(); -#if _HAVE_FULL_GL - _math_init(); - for (i = 0; i < 256; i++) { _mesa_ubyte_to_float_color_tab[i] = (float) i / 255.0F; } -#endif #ifdef USE_SPARC_ASM _mesa_init_sparc_glapi_relocs(); @@ -581,7 +574,7 @@ static void delete_displaylist_cb(GLuint id, void *data, void *userData) { #if FEATURE_dlist - struct mesa_display_list *list = (struct mesa_display_list *) data; + struct gl_display_list *list = (struct gl_display_list *) data; GLcontext *ctx = (GLcontext *) userData; _mesa_delete_list(ctx, list); #endif @@ -611,6 +604,7 @@ delete_program_cb(GLuint id, void *data, void *userData) ctx->Driver.DeleteProgram(ctx, prog); } +#if FEATURE_ATI_fragment_shader /** * Callback for deleting an ATI fragment shader object. * Called by _mesa_HashDeleteAll(). @@ -622,6 +616,7 @@ delete_fragshader_cb(GLuint id, void *data, void *userData) GLcontext *ctx = (GLcontext *) userData; _mesa_delete_ati_fragment_shader(ctx, shader); } +#endif /** * Callback for deleting a buffer object. Called by _mesa_HashDeleteAll(). @@ -712,7 +707,6 @@ delete_renderbuffer_cb(GLuint id, void *data, void *userData) } - /** * Deallocate a shared state object and all children structures. * @@ -818,11 +812,33 @@ _mesa_init_current(GLcontext *ctx) /** - * Init vertex/fragment program native limits from logical limits. + * Init vertex/fragment program limits. + * Important: drivers should override these with actual limits. */ static void -init_natives(struct gl_program_constants *prog) +init_program_limits(GLenum type, struct gl_program_constants *prog) { + prog->MaxInstructions = MAX_PROGRAM_INSTRUCTIONS; + prog->MaxAluInstructions = MAX_PROGRAM_INSTRUCTIONS; + prog->MaxTexInstructions = MAX_PROGRAM_INSTRUCTIONS; + prog->MaxTexIndirections = MAX_PROGRAM_INSTRUCTIONS; + prog->MaxTemps = MAX_PROGRAM_TEMPS; + prog->MaxEnvParams = MAX_PROGRAM_ENV_PARAMS; + prog->MaxLocalParams = MAX_PROGRAM_LOCAL_PARAMS; + prog->MaxUniformComponents = 4 * MAX_UNIFORMS; + + if (type == GL_VERTEX_PROGRAM_ARB) { + prog->MaxParameters = MAX_NV_VERTEX_PROGRAM_PARAMS; + prog->MaxAttribs = MAX_NV_VERTEX_PROGRAM_INPUTS; + prog->MaxAddressRegs = MAX_VERTEX_PROGRAM_ADDRESS_REGS; + } + else { + prog->MaxParameters = MAX_NV_FRAGMENT_PROGRAM_PARAMS; + prog->MaxAttribs = MAX_NV_FRAGMENT_PROGRAM_INPUTS; + prog->MaxAddressRegs = MAX_FRAGMENT_PROGRAM_ADDRESS_REGS; + } + + /* copy the above limits to init native limits */ prog->MaxNativeInstructions = prog->MaxInstructions; prog->MaxNativeAluInstructions = prog->MaxAluInstructions; prog->MaxNativeTexInstructions = prog->MaxTexInstructions; @@ -847,9 +863,6 @@ _mesa_init_constants(GLcontext *ctx) assert(MAX_TEXTURE_LEVELS >= MAX_3D_TEXTURE_LEVELS); assert(MAX_TEXTURE_LEVELS >= MAX_CUBE_TEXTURE_LEVELS); - assert(MAX_TEXTURE_UNITS >= MAX_TEXTURE_COORD_UNITS); - assert(MAX_TEXTURE_UNITS >= MAX_TEXTURE_IMAGE_UNITS); - /* Constants, may be overriden (usually only reduced) by device drivers */ ctx->Const.MaxTextureLevels = MAX_TEXTURE_LEVELS; ctx->Const.Max3DTextureLevels = MAX_3D_TEXTURE_LEVELS; @@ -884,33 +897,10 @@ _mesa_init_constants(GLcontext *ctx) ctx->Const.MaxViewportWidth = MAX_WIDTH; ctx->Const.MaxViewportHeight = MAX_HEIGHT; #if FEATURE_ARB_vertex_program - ctx->Const.VertexProgram.MaxInstructions = MAX_NV_VERTEX_PROGRAM_INSTRUCTIONS; - ctx->Const.VertexProgram.MaxAluInstructions = 0; - ctx->Const.VertexProgram.MaxTexInstructions = 0; - ctx->Const.VertexProgram.MaxTexIndirections = 0; - ctx->Const.VertexProgram.MaxAttribs = MAX_NV_VERTEX_PROGRAM_INPUTS; - ctx->Const.VertexProgram.MaxTemps = MAX_PROGRAM_TEMPS; - ctx->Const.VertexProgram.MaxParameters = MAX_NV_VERTEX_PROGRAM_PARAMS; - ctx->Const.VertexProgram.MaxLocalParams = MAX_PROGRAM_LOCAL_PARAMS; - ctx->Const.VertexProgram.MaxEnvParams = MAX_PROGRAM_ENV_PARAMS; - ctx->Const.VertexProgram.MaxAddressRegs = MAX_VERTEX_PROGRAM_ADDRESS_REGS; - ctx->Const.VertexProgram.MaxUniformComponents = 4 * MAX_UNIFORMS; - init_natives(&ctx->Const.VertexProgram); + init_program_limits(GL_VERTEX_PROGRAM_ARB, &ctx->Const.VertexProgram); #endif - #if FEATURE_ARB_fragment_program - ctx->Const.FragmentProgram.MaxInstructions = MAX_NV_FRAGMENT_PROGRAM_INSTRUCTIONS; - ctx->Const.FragmentProgram.MaxAluInstructions = MAX_FRAGMENT_PROGRAM_ALU_INSTRUCTIONS; - ctx->Const.FragmentProgram.MaxTexInstructions = MAX_FRAGMENT_PROGRAM_TEX_INSTRUCTIONS; - ctx->Const.FragmentProgram.MaxTexIndirections = MAX_FRAGMENT_PROGRAM_TEX_INDIRECTIONS; - ctx->Const.FragmentProgram.MaxAttribs = MAX_NV_FRAGMENT_PROGRAM_INPUTS; - ctx->Const.FragmentProgram.MaxTemps = MAX_PROGRAM_TEMPS; - ctx->Const.FragmentProgram.MaxParameters = MAX_NV_FRAGMENT_PROGRAM_PARAMS; - ctx->Const.FragmentProgram.MaxLocalParams = MAX_PROGRAM_LOCAL_PARAMS; - ctx->Const.FragmentProgram.MaxEnvParams = MAX_PROGRAM_ENV_PARAMS; - ctx->Const.FragmentProgram.MaxAddressRegs = MAX_FRAGMENT_PROGRAM_ADDRESS_REGS; - ctx->Const.FragmentProgram.MaxUniformComponents = 4 * MAX_UNIFORMS; - init_natives(&ctx->Const.FragmentProgram); + init_program_limits(GL_FRAGMENT_PROGRAM_ARB, &ctx->Const.FragmentProgram); #endif ctx->Const.MaxProgramMatrices = MAX_PROGRAM_MATRICES; ctx->Const.MaxProgramMatrixStackDepth = MAX_PROGRAM_MATRIX_STACK_DEPTH; @@ -935,6 +925,9 @@ _mesa_init_constants(GLcontext *ctx) ctx->Const.MaxVarying = MAX_VARYING; #endif + /* GL_ARB_framebuffer_object */ + ctx->Const.MaxSamples = 0; + /* sanity checks */ ASSERT(ctx->Const.MaxTextureUnits == MIN2(ctx->Const.MaxTextureImageUnits, ctx->Const.MaxTextureCoordUnits)); @@ -963,6 +956,9 @@ check_context_limits(GLcontext *ctx) assert(ctx->Const.MaxTextureUnits <= MAX_TEXTURE_IMAGE_UNITS); assert(ctx->Const.MaxTextureUnits <= MAX_TEXTURE_COORD_UNITS); + /* number of coord units cannot be greater than number of image units */ + assert(ctx->Const.MaxTextureCoordUnits <= ctx->Const.MaxTextureImageUnits); + assert(ctx->Const.MaxViewportWidth <= MAX_WIDTH); assert(ctx->Const.MaxViewportHeight <= MAX_WIDTH); @@ -1063,6 +1059,7 @@ init_attrib_groups(GLcontext *ctx) /* Miscellaneous */ ctx->NewState = _NEW_ALL; ctx->ErrorValue = (GLenum) GL_NO_ERROR; + ctx->varying_vp_inputs = ~0; return GL_TRUE; } @@ -1162,7 +1159,7 @@ _mesa_initialize_context(GLcontext *ctx, const struct dd_function_table *driverFunctions, void *driverContext) { - ASSERT(driverContext); + /*ASSERT(driverContext);*/ assert(driverFunctions->NewTextureObject); assert(driverFunctions->FreeTexImageData); @@ -1225,7 +1222,6 @@ _mesa_initialize_context(GLcontext *ctx, ctx->FragmentProgram._MaintainTexEnvProgram = (_mesa_getenv("MESA_TEX_PROG") != NULL); - ctx->FragmentProgram._UseTexEnvProgram = ctx->FragmentProgram._MaintainTexEnvProgram; ctx->VertexProgram._MaintainTnlProgram = (_mesa_getenv("MESA_TNL_PROG") != NULL); @@ -1267,7 +1263,7 @@ _mesa_create_context(const GLvisual *visual, GLcontext *ctx; ASSERT(visual); - ASSERT(driverContext); + /*ASSERT(driverContext);*/ ctx = (GLcontext *) _mesa_calloc(sizeof(GLcontext)); if (!ctx) @@ -1302,10 +1298,10 @@ _mesa_free_context_data( GLcontext *ctx ) } /* unreference WinSysDraw/Read buffers */ - _mesa_unreference_framebuffer(&ctx->WinSysDrawBuffer); - _mesa_unreference_framebuffer(&ctx->WinSysReadBuffer); - _mesa_unreference_framebuffer(&ctx->DrawBuffer); - _mesa_unreference_framebuffer(&ctx->ReadBuffer); + _mesa_reference_framebuffer(&ctx->WinSysDrawBuffer, NULL); + _mesa_reference_framebuffer(&ctx->WinSysReadBuffer, NULL); + _mesa_reference_framebuffer(&ctx->DrawBuffer, NULL); + _mesa_reference_framebuffer(&ctx->ReadBuffer, NULL); _mesa_reference_vertprog(ctx, &ctx->VertexProgram.Current, NULL); _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current, NULL); @@ -1315,7 +1311,9 @@ _mesa_free_context_data( GLcontext *ctx ) _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, NULL); _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._TexEnvProgram, NULL); +#if FEATURE_attrib_stack _mesa_free_attrib_data(ctx); +#endif _mesa_free_lighting_data( ctx ); #if FEATURE_evaluators _mesa_free_eval_data( ctx ); @@ -1632,7 +1630,22 @@ _mesa_make_current( GLcontext *newCtx, GLframebuffer *drawBuffer, * or not bound to a user-created FBO. */ if (!newCtx->DrawBuffer || newCtx->DrawBuffer->Name == 0) { + /* KW: merge conflict here, revisit. + */ + /* fix up the fb fields - these will end up wrong otherwise + * if the DRIdrawable changes, and everything relies on them. + * This is a bit messy (same as needed in _mesa_BindFramebufferEXT) + */ + unsigned int i; + GLenum buffers[MAX_DRAW_BUFFERS]; + _mesa_reference_framebuffer(&newCtx->DrawBuffer, drawBuffer); + + for(i = 0; i < newCtx->Const.MaxDrawBuffers; i++) { + buffers[i] = newCtx->Color.DrawBuffer[i]; + } + + _mesa_drawbuffers(newCtx, newCtx->Const.MaxDrawBuffers, buffers, NULL); } if (!newCtx->ReadBuffer || newCtx->ReadBuffer->Name == 0) { _mesa_reference_framebuffer(&newCtx->ReadBuffer, readBuffer); |