-/**
- * \file context.c
- * Mesa context/visual/framebuffer management functions.
- * \author Brian Paul
- */
-
/*
* Mesa 3-D graphics library
- * Version: 6.5
+ * Version: 7.3
*
- * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
+ * 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"),
* 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
#include "glheader.h"
+#include "mfeatures.h"
#include "imports.h"
+#if FEATURE_accum
#include "accum.h"
+#endif
#include "api_exec.h"
#include "arrayobj.h"
+#if FEATURE_attrib_stack
#include "attrib.h"
+#endif
#include "blend.h"
#include "buffers.h"
#include "bufferobj.h"
+#if FEATURE_colortable
#include "colortab.h"
+#endif
#include "context.h"
+#include "cpuinfo.h"
#include "debug.h"
#include "depth.h"
+#if FEATURE_dlist
#include "dlist.h"
+#endif
+#if FEATURE_evaluators
#include "eval.h"
+#endif
#include "enums.h"
#include "extensions.h"
#include "fbobject.h"
+#if FEATURE_feedback
#include "feedback.h"
+#endif
#include "fog.h"
#include "framebuffer.h"
#include "get.h"
+#if FEATURE_histogram
#include "histogram.h"
+#endif
#include "hint.h"
#include "hash.h"
#include "light.h"
#include "lines.h"
#include "macros.h"
#include "matrix.h"
+#include "multisample.h"
#include "pixel.h"
#include "pixelstore.h"
#include "points.h"
#include "polygon.h"
+#if FEATURE_ARB_occlusion_query
#include "queryobj.h"
+#endif
+#if FEATURE_drawpix
#include "rastpos.h"
+#endif
+#include "scissor.h"
+#include "shared.h"
#include "simple_list.h"
#include "state.h"
#include "stencil.h"
#include "mtypes.h"
#include "varray.h"
#include "version.h"
+#include "viewport.h"
#include "vtxfmt.h"
#include "glapi/glthread.h"
#include "glapi/glapioffsets.h"
-#if FEATURE_NV_vertex_program || FEATURE_NV_fragment_program
+#include "glapi/glapitable.h"
#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
/**
* Swap buffers notification callback.
*
- * \param gc GL context.
+ * \param ctx GL context.
*
* Called by window system just before swapping buffers.
* We have to finish any pending rendering.
void
_mesa_notifySwapBuffers(__GLcontext *ctx)
{
+ FLUSH_CURRENT( ctx, 0 );
if (ctx->Driver.Flush) {
ctx->Driver.Flush(ctx);
}
/**********************************************************************/
/*@{*/
+
+/**
+ * This is lame. gdb only seems to recognize enum types that are
+ * actually used somewhere. We want to be able to print/use enum
+ * values such as TEXTURE_2D_INDEX in gdb. But we don't actually use
+ * the gl_texture_index type anywhere. Thus, this lame function.
+ */
+static void
+dummy_enum_func(void)
+{
+ gl_buffer_index bi;
+ gl_colortable_index ci;
+ gl_face_index fi;
+ gl_frag_attrib fa;
+ gl_frag_result fr;
+ gl_texture_index ti;
+ gl_vert_attrib va;
+ gl_vert_result vr;
+
+ (void) bi;
+ (void) ci;
+ (void) fi;
+ (void) fa;
+ (void) fr;
+ (void) ti;
+ (void) va;
+ (void) vr;
+}
+
+
/**
* One-time initialization mutex lock.
*
assert( sizeof(GLint) == 4 );
assert( sizeof(GLuint) == 4 );
- _mesa_init_sqrt_table();
+ _mesa_get_cpu_features();
-#if _HAVE_FULL_GL
- _math_init();
+ _mesa_init_sqrt_table();
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();
-#endif
if (_mesa_getenv("MESA_DEBUG")) {
_glapi_noop_enable_warnings(GL_TRUE);
_glapi_set_warning_func( (_glapi_warning_func) _mesa_warning );
alreadyCalled = GL_TRUE;
}
_glthread_UNLOCK_MUTEX(OneTimeLock);
-}
-
-
-/**
- * Allocate and initialize a shared context state structure.
- * Initializes the display list, texture objects and vertex programs hash
- * tables, allocates the texture objects. If it runs out of memory, frees
- * everything already allocated before returning NULL.
- *
- * \return pointer to a gl_shared_state structure on success, or NULL on
- * failure.
- */
-static GLboolean
-alloc_shared_state( GLcontext *ctx )
-{
- struct gl_shared_state *ss = CALLOC_STRUCT(gl_shared_state);
- if (!ss)
- return GL_FALSE;
-
- ctx->Shared = ss;
-
- _glthread_INIT_MUTEX(ss->Mutex);
-
- ss->DisplayList = _mesa_NewHashTable();
- ss->TexObjects = _mesa_NewHashTable();
-#if FEATURE_NV_vertex_program || FEATURE_NV_fragment_program
- ss->Programs = _mesa_NewHashTable();
-#endif
-
-#if FEATURE_ARB_vertex_program
- ss->DefaultVertexProgram = (struct gl_vertex_program *)
- ctx->Driver.NewProgram(ctx, GL_VERTEX_PROGRAM_ARB, 0);
- if (!ss->DefaultVertexProgram)
- goto cleanup;
-#endif
-#if FEATURE_ARB_fragment_program
- ss->DefaultFragmentProgram = (struct gl_fragment_program *)
- ctx->Driver.NewProgram(ctx, GL_FRAGMENT_PROGRAM_ARB, 0);
- if (!ss->DefaultFragmentProgram)
- goto cleanup;
-#endif
-#if FEATURE_ATI_fragment_shader
- ss->ATIShaders = _mesa_NewHashTable();
- ss->DefaultFragmentShader = _mesa_new_ati_fragment_shader(ctx, 0);
- if (!ss->DefaultFragmentShader)
- goto cleanup;
-#endif
-
-#if FEATURE_ARB_vertex_buffer_object || FEATURE_ARB_pixel_buffer_object
- ss->BufferObjects = _mesa_NewHashTable();
-#endif
-
- ss->ArrayObjects = _mesa_NewHashTable();
-
-#if FEATURE_ARB_shader_objects
- ss->ShaderObjects = _mesa_NewHashTable();
-#endif
-
- ss->Default1D = (*ctx->Driver.NewTextureObject)(ctx, 0, GL_TEXTURE_1D);
- if (!ss->Default1D)
- goto cleanup;
-
- ss->Default2D = (*ctx->Driver.NewTextureObject)(ctx, 0, GL_TEXTURE_2D);
- if (!ss->Default2D)
- goto cleanup;
-
- ss->Default3D = (*ctx->Driver.NewTextureObject)(ctx, 0, GL_TEXTURE_3D);
- if (!ss->Default3D)
- goto cleanup;
-
- ss->DefaultCubeMap = (*ctx->Driver.NewTextureObject)(ctx, 0, GL_TEXTURE_CUBE_MAP_ARB);
- if (!ss->DefaultCubeMap)
- goto cleanup;
-
- ss->DefaultRect = (*ctx->Driver.NewTextureObject)(ctx, 0, GL_TEXTURE_RECTANGLE_NV);
- if (!ss->DefaultRect)
- goto cleanup;
-
- ss->Default1DArray = (*ctx->Driver.NewTextureObject)(ctx, 0, GL_TEXTURE_1D_ARRAY_EXT);
- if (!ss->Default1DArray)
- goto cleanup;
- ss->Default2DArray = (*ctx->Driver.NewTextureObject)(ctx, 0, GL_TEXTURE_2D_ARRAY_EXT);
- if (!ss->Default2DArray)
- goto cleanup;
-
- /* Effectively bind the default textures to all texture units */
- ss->Default1D->RefCount += MAX_TEXTURE_IMAGE_UNITS;
- ss->Default2D->RefCount += MAX_TEXTURE_IMAGE_UNITS;
- ss->Default3D->RefCount += MAX_TEXTURE_IMAGE_UNITS;
- ss->DefaultCubeMap->RefCount += MAX_TEXTURE_IMAGE_UNITS;
- ss->DefaultRect->RefCount += MAX_TEXTURE_IMAGE_UNITS;
- ss->Default1DArray->RefCount += MAX_TEXTURE_IMAGE_UNITS;
- ss->Default2DArray->RefCount += MAX_TEXTURE_IMAGE_UNITS;
-
- _glthread_INIT_MUTEX(ss->TexMutex);
- ss->TextureStateStamp = 0;
-
-
-#if FEATURE_EXT_framebuffer_object
- ss->FrameBuffers = _mesa_NewHashTable();
- if (!ss->FrameBuffers)
- goto cleanup;
- ss->RenderBuffers = _mesa_NewHashTable();
- if (!ss->RenderBuffers)
- goto cleanup;
-#endif
-
-
- return GL_TRUE;
-
- cleanup:
- /* Ran out of memory at some point. Free everything and return NULL */
- if (ss->DisplayList)
- _mesa_DeleteHashTable(ss->DisplayList);
- if (ss->TexObjects)
- _mesa_DeleteHashTable(ss->TexObjects);
-#if FEATURE_NV_vertex_program
- if (ss->Programs)
- _mesa_DeleteHashTable(ss->Programs);
-#endif
-#if FEATURE_ARB_vertex_program
- _mesa_reference_vertprog(ctx, &ss->DefaultVertexProgram, NULL);
-#endif
-#if FEATURE_ARB_fragment_program
- _mesa_reference_fragprog(ctx, &ss->DefaultFragmentProgram, NULL);
-#endif
-#if FEATURE_ATI_fragment_shader
- if (ss->DefaultFragmentShader)
- _mesa_delete_ati_fragment_shader(ctx, ss->DefaultFragmentShader);
-#endif
-#if FEATURE_ARB_vertex_buffer_object || FEATURE_ARB_pixel_buffer_object
- if (ss->BufferObjects)
- _mesa_DeleteHashTable(ss->BufferObjects);
-#endif
-
- if (ss->ArrayObjects)
- _mesa_DeleteHashTable (ss->ArrayObjects);
-
-#if FEATURE_ARB_shader_objects
- if (ss->ShaderObjects)
- _mesa_DeleteHashTable (ss->ShaderObjects);
-#endif
-
-#if FEATURE_EXT_framebuffer_object
- if (ss->FrameBuffers)
- _mesa_DeleteHashTable(ss->FrameBuffers);
- if (ss->RenderBuffers)
- _mesa_DeleteHashTable(ss->RenderBuffers);
-#endif
-
- if (ss->Default1D)
- (*ctx->Driver.DeleteTexture)(ctx, ss->Default1D);
- if (ss->Default2D)
- (*ctx->Driver.DeleteTexture)(ctx, ss->Default2D);
- if (ss->Default3D)
- (*ctx->Driver.DeleteTexture)(ctx, ss->Default3D);
- if (ss->DefaultCubeMap)
- (*ctx->Driver.DeleteTexture)(ctx, ss->DefaultCubeMap);
- if (ss->DefaultRect)
- (*ctx->Driver.DeleteTexture)(ctx, ss->DefaultRect);
- if (ss->Default1DArray)
- (*ctx->Driver.DeleteTexture)(ctx, ss->Default1DArray);
- if (ss->Default2DArray)
- (*ctx->Driver.DeleteTexture)(ctx, ss->Default2DArray);
-
- _mesa_free(ss);
-
- return GL_FALSE;
-}
-
-
-/**
- * Callback for deleting a display list. Called by _mesa_HashDeleteAll().
- */
-static void
-delete_displaylist_cb(GLuint id, void *data, void *userData)
-{
- struct mesa_display_list *list = (struct mesa_display_list *) data;
- GLcontext *ctx = (GLcontext *) userData;
- _mesa_delete_list(ctx, list);
-}
-
-/**
- * Callback for deleting a texture object. Called by _mesa_HashDeleteAll().
- */
-static void
-delete_texture_cb(GLuint id, void *data, void *userData)
-{
- struct gl_texture_object *texObj = (struct gl_texture_object *) data;
- GLcontext *ctx = (GLcontext *) userData;
- ctx->Driver.DeleteTexture(ctx, texObj);
-}
-
-/**
- * Callback for deleting a program object. Called by _mesa_HashDeleteAll().
- */
-static void
-delete_program_cb(GLuint id, void *data, void *userData)
-{
- struct gl_program *prog = (struct gl_program *) data;
- GLcontext *ctx = (GLcontext *) userData;
- ASSERT(prog->RefCount == 1); /* should only be referenced by hash table */
- prog->RefCount = 0; /* now going away */
- ctx->Driver.DeleteProgram(ctx, prog);
-}
-
-/**
- * Callback for deleting an ATI fragment shader object.
- * Called by _mesa_HashDeleteAll().
- */
-static void
-delete_fragshader_cb(GLuint id, void *data, void *userData)
-{
- struct ati_fragment_shader *shader = (struct ati_fragment_shader *) data;
- GLcontext *ctx = (GLcontext *) userData;
- _mesa_delete_ati_fragment_shader(ctx, shader);
-}
-
-/**
- * Callback for deleting a buffer object. Called by _mesa_HashDeleteAll().
- */
-static void
-delete_bufferobj_cb(GLuint id, void *data, void *userData)
-{
- struct gl_buffer_object *bufObj = (struct gl_buffer_object *) data;
- GLcontext *ctx = (GLcontext *) userData;
- ctx->Driver.DeleteBuffer(ctx, bufObj);
-}
-
-/**
- * Callback for deleting an array object. Called by _mesa_HashDeleteAll().
- */
-static void
-delete_arrayobj_cb(GLuint id, void *data, void *userData)
-{
- struct gl_array_object *arrayObj = (struct gl_array_object *) data;
- GLcontext *ctx = (GLcontext *) userData;
- _mesa_delete_array_object(ctx, arrayObj);
-}
-
-/**
- * Callback for freeing shader program data. Call it before delete_shader_cb
- * to avoid memory access error.
- */
-static void
-free_shader_program_data_cb(GLuint id, void *data, void *userData)
-{
- GLcontext *ctx = (GLcontext *) userData;
- struct gl_shader_program *shProg = (struct gl_shader_program *) data;
-
- if (shProg->Type == GL_SHADER_PROGRAM_MESA) {
- _mesa_free_shader_program_data(ctx, shProg);
- }
-}
-
-/**
- * Callback for deleting shader and shader programs objects.
- * Called by _mesa_HashDeleteAll().
- */
-static void
-delete_shader_cb(GLuint id, void *data, void *userData)
-{
- GLcontext *ctx = (GLcontext *) userData;
- struct gl_shader *sh = (struct gl_shader *) data;
- if (sh->Type == GL_FRAGMENT_SHADER || sh->Type == GL_VERTEX_SHADER) {
- _mesa_free_shader(ctx, sh);
- }
- else {
- struct gl_shader_program *shProg = (struct gl_shader_program *) data;
- ASSERT(shProg->Type == GL_SHADER_PROGRAM_MESA);
- _mesa_free_shader_program(ctx, shProg);
- }
-}
-
-
-/**
- * Deallocate a shared state object and all children structures.
- *
- * \param ctx GL context.
- * \param ss shared state pointer.
- *
- * Frees the display lists, the texture objects (calling the driver texture
- * deletion callback to free its private data) and the vertex programs, as well
- * as their hash tables.
- *
- * \sa alloc_shared_state().
- */
-static void
-free_shared_state( GLcontext *ctx, struct gl_shared_state *ss )
-{
- /*
- * Free display lists
- */
- _mesa_HashDeleteAll(ss->DisplayList, delete_displaylist_cb, ctx);
- _mesa_DeleteHashTable(ss->DisplayList);
-
-#if FEATURE_ARB_shader_objects
- _mesa_HashWalk(ss->ShaderObjects, free_shader_program_data_cb, ctx);
- _mesa_HashDeleteAll(ss->ShaderObjects, delete_shader_cb, ctx);
- _mesa_DeleteHashTable(ss->ShaderObjects);
-#endif
-
-#if defined(FEATURE_NV_vertex_program) || defined(FEATURE_NV_fragment_program)
- _mesa_HashDeleteAll(ss->Programs, delete_program_cb, ctx);
- _mesa_DeleteHashTable(ss->Programs);
-#endif
-#if FEATURE_ARB_vertex_program
- _mesa_reference_vertprog(ctx, &ss->DefaultVertexProgram, NULL);
-#endif
-#if FEATURE_ARB_fragment_program
- _mesa_reference_fragprog(ctx, &ss->DefaultFragmentProgram, NULL);
-#endif
-
-#if FEATURE_ATI_fragment_shader
- _mesa_HashDeleteAll(ss->ATIShaders, delete_fragshader_cb, ctx);
- _mesa_DeleteHashTable(ss->ATIShaders);
- _mesa_delete_ati_fragment_shader(ctx, ss->DefaultFragmentShader);
-#endif
-
-#if FEATURE_ARB_vertex_buffer_object || FEATURE_ARB_pixel_buffer_object
- _mesa_HashDeleteAll(ss->BufferObjects, delete_bufferobj_cb, ctx);
- _mesa_DeleteHashTable(ss->BufferObjects);
-#endif
-
- _mesa_HashDeleteAll(ss->ArrayObjects, delete_arrayobj_cb, ctx);
- _mesa_DeleteHashTable(ss->ArrayObjects);
-
-#if FEATURE_EXT_framebuffer_object
- _mesa_DeleteHashTable(ss->FrameBuffers);
- _mesa_DeleteHashTable(ss->RenderBuffers);
-#endif
-
- /*
- * Free texture objects (after FBOs since some textures might have
- * been bound to FBOs).
- */
- ASSERT(ctx->Driver.DeleteTexture);
- /* the default textures */
- ctx->Driver.DeleteTexture(ctx, ss->Default1D);
- ctx->Driver.DeleteTexture(ctx, ss->Default2D);
- ctx->Driver.DeleteTexture(ctx, ss->Default3D);
- ctx->Driver.DeleteTexture(ctx, ss->DefaultCubeMap);
- ctx->Driver.DeleteTexture(ctx, ss->DefaultRect);
- ctx->Driver.DeleteTexture(ctx, ss->Default1DArray);
- ctx->Driver.DeleteTexture(ctx, ss->Default2DArray);
- /* all other textures */
- _mesa_HashDeleteAll(ss->TexObjects, delete_texture_cb, ctx);
- _mesa_DeleteHashTable(ss->TexObjects);
-
- _glthread_DESTROY_MUTEX(ss->Mutex);
-
- _mesa_free(ss);
+ dummy_enum_func();
}
GLuint i;
/* Init all to (0,0,0,1) */
- for (i = 0; i < VERT_ATTRIB_MAX; i++) {
+ for (i = 0; i < Elements(ctx->Current.Attrib); i++) {
ASSIGN_4V( ctx->Current.Attrib[i], 0.0, 0.0, 0.0, 1.0 );
}
/* redo special cases: */
- ASSIGN_4V( ctx->Current.Attrib[VERT_ATTRIB_WEIGHT], 1.0, 0.0, 0.0, 1.0 );
+ ASSIGN_4V( ctx->Current.Attrib[VERT_ATTRIB_WEIGHT], 1.0, 0.0, 0.0, 0.0 );
ASSIGN_4V( ctx->Current.Attrib[VERT_ATTRIB_NORMAL], 0.0, 0.0, 1.0, 1.0 );
ASSIGN_4V( ctx->Current.Attrib[VERT_ATTRIB_COLOR0], 1.0, 1.0, 1.0, 1.0 );
ASSIGN_4V( ctx->Current.Attrib[VERT_ATTRIB_COLOR1], 0.0, 0.0, 0.0, 1.0 );
/**
- * 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;
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);
+ /* Max texture size should be <= max viewport size (render to texture) */
+ assert((1 << (MAX_TEXTURE_LEVELS - 1)) <= MAX_WIDTH);
/* Constants, may be overriden (usually only reduced) by device drivers */
ctx->Const.MaxTextureLevels = MAX_TEXTURE_LEVELS;
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;
ctx->Const.MaxVarying = MAX_VARYING;
#endif
+ /* GL_ARB_framebuffer_object */
+ ctx->Const.MaxSamples = 0;
+
+ /* GL_ATI_envmap_bumpmap */
+ ctx->Const.SupportedBumpUnits = SUPPORTED_ATI_BUMP_UNITS;
+
+ /* GL_EXT_provoking_vertex */
+ ctx->Const.QuadsFollowProvokingVertexConvention = GL_TRUE;
+
/* sanity checks */
ASSERT(ctx->Const.MaxTextureUnits == MIN2(ctx->Const.MaxTextureImageUnits,
ctx->Const.MaxTextureCoordUnits));
ASSERT(MAX_NV_VERTEX_PROGRAM_TEMPS <= MAX_PROGRAM_TEMPS);
ASSERT(MAX_NV_VERTEX_PROGRAM_INPUTS <= VERT_ATTRIB_MAX);
ASSERT(MAX_NV_VERTEX_PROGRAM_OUTPUTS <= VERT_RESULT_MAX);
+
+ /* check that we don't exceed various 32-bit bitfields */
+ ASSERT(VERT_RESULT_MAX <= 32);
+ ASSERT(FRAG_ATTRIB_MAX <= 32);
}
assert(ctx->Const.MaxTextureUnits <= MAX_TEXTURE_IMAGE_UNITS);
assert(ctx->Const.MaxTextureUnits <= MAX_TEXTURE_COORD_UNITS);
- assert(ctx->Const.MaxViewportWidth <= MAX_WIDTH);
- assert(ctx->Const.MaxViewportHeight <= MAX_WIDTH);
+ /* number of coord units cannot be greater than number of image units */
+ assert(ctx->Const.MaxTextureCoordUnits <= ctx->Const.MaxTextureImageUnits);
+
+ assert(ctx->Const.MaxTextureLevels <= MAX_TEXTURE_LEVELS);
+ assert(ctx->Const.Max3DTextureLevels <= MAX_3D_TEXTURE_LEVELS);
+ assert(ctx->Const.MaxCubeTextureLevels <= MAX_CUBE_TEXTURE_LEVELS);
+ assert(ctx->Const.MaxTextureRectSize <= MAX_TEXTURE_RECT_SIZE);
/* make sure largest texture image is <= MAX_WIDTH in size */
- assert((1 << (ctx->Const.MaxTextureLevels -1 )) <= MAX_WIDTH);
- assert((1 << (ctx->Const.MaxCubeTextureLevels -1 )) <= MAX_WIDTH);
- assert((1 << (ctx->Const.Max3DTextureLevels -1 )) <= MAX_WIDTH);
+ assert((1 << (ctx->Const.MaxTextureLevels - 1)) <= MAX_WIDTH);
+ assert((1 << (ctx->Const.MaxCubeTextureLevels - 1)) <= MAX_WIDTH);
+ assert((1 << (ctx->Const.Max3DTextureLevels - 1)) <= MAX_WIDTH);
+
+ assert(ctx->Const.MaxViewportWidth <= MAX_WIDTH);
+ assert(ctx->Const.MaxViewportHeight <= MAX_WIDTH);
assert(ctx->Const.MaxDrawBuffers <= MAX_DRAW_BUFFERS);
_mesa_init_extensions( ctx );
/* Attribute Groups */
+#if FEATURE_accum
_mesa_init_accum( ctx );
+#endif
+#if FEATURE_attrib_stack
_mesa_init_attrib( ctx );
+#endif
_mesa_init_buffer_objects( ctx );
_mesa_init_color( ctx );
+#if FEATURE_colortable
_mesa_init_colortables( ctx );
+#endif
_mesa_init_current( ctx );
_mesa_init_depth( ctx );
_mesa_init_debug( ctx );
+#if FEATURE_dlist
_mesa_init_display_list( ctx );
+#endif
+#if FEATURE_evaluators
_mesa_init_eval( ctx );
+#endif
+ _mesa_init_fbobjects( ctx );
+#if FEATURE_feedback
_mesa_init_feedback( ctx );
+#else
+ ctx->RenderMode = GL_RENDER;
+#endif
_mesa_init_fog( ctx );
+#if FEATURE_histogram
_mesa_init_histogram( ctx );
+#endif
_mesa_init_hint( ctx );
_mesa_init_line( ctx );
_mesa_init_lighting( ctx );
_mesa_init_point( ctx );
_mesa_init_polygon( ctx );
_mesa_init_program( ctx );
+#if FEATURE_ARB_occlusion_query
_mesa_init_query( ctx );
+#endif
+#if FEATURE_drawpix
_mesa_init_rastpos( ctx );
+#endif
_mesa_init_scissor( ctx );
_mesa_init_shader_state( ctx );
_mesa_init_stencil( ctx );
if (!_mesa_init_texture( ctx ))
return GL_FALSE;
+#if FEATURE_texture_s3tc
_mesa_init_texture_s3tc( ctx );
+#endif
+#if FEATURE_texture_fxt1
_mesa_init_texture_fxt1( ctx );
+#endif
/* Miscellaneous */
ctx->NewState = _NEW_ALL;
ctx->ErrorValue = (GLenum) GL_NO_ERROR;
- ctx->_Facing = 0;
+ ctx->varying_vp_inputs = ~0;
+
+ return GL_TRUE;
+}
+
+
+/**
+ * Update default objects in a GL context with respect to shared state.
+ *
+ * \param ctx GL context.
+ *
+ * Removes references to old default objects, (texture objects, program
+ * objects, etc.) and changes to reference those from the current shared
+ * state.
+ */
+static GLboolean
+update_default_objects(GLcontext *ctx)
+{
+ assert(ctx);
+
+ _mesa_update_default_objects_program(ctx);
+ _mesa_update_default_objects_texture(ctx);
+ _mesa_update_default_objects_buffer_objects(ctx);
return GL_TRUE;
}
const struct dd_function_table *driverFunctions,
void *driverContext)
{
+ struct gl_shared_state *shared;
+
/*ASSERT(driverContext);*/
assert(driverFunctions->NewTextureObject);
assert(driverFunctions->FreeTexImageData);
if (share_list) {
/* share state with another context */
- ctx->Shared = share_list->Shared;
+ shared = share_list->Shared;
}
else {
/* allocate new, unshared state */
- if (!alloc_shared_state( ctx )) {
+ shared = _mesa_alloc_shared_state(ctx);
+ if (!shared)
return GL_FALSE;
- }
}
- _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
- ctx->Shared->RefCount++;
- _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
+
+ _glthread_LOCK_MUTEX(shared->Mutex);
+ ctx->Shared = shared;
+ shared->RefCount++;
+ _glthread_UNLOCK_MUTEX(shared->Mutex);
if (!init_attrib_groups( ctx )) {
- free_shared_state(ctx, ctx->Shared);
+ _mesa_free_shared_state(ctx, ctx->Shared);
return GL_FALSE;
}
ctx->Exec = alloc_dispatch_table();
ctx->Save = alloc_dispatch_table();
if (!ctx->Exec || !ctx->Save) {
- free_shared_state(ctx, ctx->Shared);
+ _mesa_free_shared_state(ctx, ctx->Shared);
if (ctx->Exec)
_mesa_free(ctx->Exec);
}
+#if FEATURE_dispatch
_mesa_init_exec_table(ctx->Exec);
+#endif
ctx->CurrentDispatch = ctx->Exec;
-#if _HAVE_FULL_GL
+#if FEATURE_dlist
_mesa_init_dlist_table(ctx->Save);
_mesa_install_save_vtxfmt( ctx, &ctx->ListState.ListVtxfmt );
+#endif
/* Neutral tnl module stuff */
_mesa_init_exec_vtxfmt( ctx );
ctx->TnlModule.Current = NULL;
ctx->TnlModule.SwapCount = 0;
-#endif
ctx->FragmentProgram._MaintainTexEnvProgram
= (_mesa_getenv("MESA_TEX_PROG") != NULL);
- ctx->FragmentProgram._UseTexEnvProgram = ctx->FragmentProgram._MaintainTexEnvProgram;
ctx->VertexProgram._MaintainTnlProgram
= (_mesa_getenv("MESA_TNL_PROG") != NULL);
ctx->FragmentProgram._MaintainTexEnvProgram = GL_TRUE;
}
+#ifdef FEATURE_extra_context_init
+ _mesa_initialize_context_extra(ctx);
+#endif
+
ctx->FirstTimeCurrent = GL_TRUE;
return GL_TRUE;
* \param share_list another context to share display lists with or NULL
* \param driverFunctions points to the dd_function_table into which the
* driver has plugged in all its special functions.
- * \param driverCtx points to the device driver's private context state
+ * \param driverContext points to the device driver's private context state
*
* \return pointer to a new __GLcontextRec or NULL if error.
*/
void
_mesa_free_context_data( GLcontext *ctx )
{
- /* if we're destroying the current context, unbind it first */
- if (ctx == _mesa_get_current_context()) {
- _mesa_make_current(NULL, NULL, NULL);
- }
- else {
- /* unreference WinSysDraw/Read buffers */
- _mesa_unreference_framebuffer(&ctx->WinSysDrawBuffer);
- _mesa_unreference_framebuffer(&ctx->WinSysReadBuffer);
- _mesa_unreference_framebuffer(&ctx->DrawBuffer);
- _mesa_unreference_framebuffer(&ctx->ReadBuffer);
+ GLint RefCount;
+
+ if (!_mesa_get_current_context()){
+ /* No current context, but we may need one in order to delete
+ * texture objs, etc. So temporarily bind the context now.
+ */
+ _mesa_make_current(ctx, NULL, NULL);
}
+ /* unreference WinSysDraw/Read buffers */
+ _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);
_mesa_reference_vertprog(ctx, &ctx->VertexProgram._TnlProgram, NULL);
_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 );
+#endif
_mesa_free_texture_data( ctx );
_mesa_free_matrix_data( ctx );
_mesa_free_viewport_data( ctx );
+#if FEATURE_colortable
_mesa_free_colortables_data( ctx );
+#endif
_mesa_free_program_data(ctx);
_mesa_free_shader_state(ctx);
+#if FEATURE_ARB_occlusion_query
_mesa_free_query_data(ctx);
+#endif
+
+ _mesa_delete_array_object(ctx, ctx->Array.DefaultArrayObj);
+
+#if FEATURE_ARB_pixel_buffer_object
+ _mesa_reference_buffer_object(ctx, &ctx->Pack.BufferObj, NULL);
+ _mesa_reference_buffer_object(ctx, &ctx->Unpack.BufferObj, NULL);
+#endif
#if FEATURE_ARB_vertex_buffer_object
- _mesa_delete_buffer_object(ctx, ctx->Array.NullBufferObj);
+ _mesa_reference_buffer_object(ctx, &ctx->Array.ArrayBufferObj, NULL);
+ _mesa_reference_buffer_object(ctx, &ctx->Array.ElementArrayBufferObj, NULL);
#endif
- _mesa_delete_array_object(ctx, ctx->Array.DefaultArrayObj);
/* free dispatch tables */
_mesa_free(ctx->Exec);
/* Shared context state (display lists, textures, etc) */
_glthread_LOCK_MUTEX(ctx->Shared->Mutex);
- ctx->Shared->RefCount--;
- assert(ctx->Shared->RefCount >= 0);
+ RefCount = --ctx->Shared->RefCount;
_glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
- if (ctx->Shared->RefCount == 0) {
+ assert(RefCount >= 0);
+ if (RefCount == 0) {
/* free shared state */
- free_shared_state( ctx, ctx->Shared );
+ _mesa_free_shared_state( ctx, ctx->Shared );
}
if (ctx->Extensions.String)
_mesa_free((void *) ctx->Extensions.String);
+
+ /* unbind the context if it's currently bound */
+ if (ctx == _mesa_get_current_context()) {
+ _mesa_make_current(NULL, NULL, NULL);
+ }
}
* \param drawBuffer the drawing framebuffer
* \param readBuffer the reading framebuffer
*/
-void
+GLboolean
_mesa_make_current( GLcontext *newCtx, GLframebuffer *drawBuffer,
GLframebuffer *readBuffer )
{
- GET_CURRENT_CONTEXT(oldCtx);
-
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(newCtx, "_mesa_make_current()\n");
if (!check_compatible(newCtx, drawBuffer)) {
_mesa_warning(newCtx,
"MakeCurrent: incompatible visuals for context and drawbuffer");
- return;
+ return GL_FALSE;
}
}
if (newCtx && readBuffer && newCtx->WinSysReadBuffer != readBuffer) {
if (!check_compatible(newCtx, readBuffer)) {
_mesa_warning(newCtx,
"MakeCurrent: incompatible visuals for context and readbuffer");
- return;
+ return GL_FALSE;
}
}
_glapi_set_context((void *) newCtx);
ASSERT(_mesa_get_current_context() == newCtx);
- if (oldCtx) {
- _mesa_unreference_framebuffer(&oldCtx->WinSysDrawBuffer);
- _mesa_unreference_framebuffer(&oldCtx->WinSysReadBuffer);
- _mesa_unreference_framebuffer(&oldCtx->DrawBuffer);
- _mesa_unreference_framebuffer(&oldCtx->ReadBuffer);
- }
-
if (!newCtx) {
_glapi_set_dispatch(NULL); /* none current */
}
* or not bound to a user-created FBO.
*/
if (!newCtx->DrawBuffer || newCtx->DrawBuffer->Name == 0) {
- /* 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)
- */
+ /* 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];
}
if (!newCtx->ReadBuffer || newCtx->ReadBuffer->Name == 0) {
_mesa_reference_framebuffer(&newCtx->ReadBuffer, readBuffer);
- _mesa_readbuffer_update_fields(newCtx, newCtx->Pixel.ReadBuffer);
}
+ /* XXX only set this flag if we're really changing the draw/read
+ * framebuffer bindings.
+ */
newCtx->NewState |= _NEW_BUFFERS;
#if 1
newCtx->FirstTimeCurrent = GL_FALSE;
}
}
+
+ return GL_TRUE;
}
_mesa_share_state(GLcontext *ctx, GLcontext *ctxToShare)
{
if (ctx && ctxToShare && ctx->Shared && ctxToShare->Shared) {
- ctx->Shared->RefCount--;
- if (ctx->Shared->RefCount == 0) {
- free_shared_state(ctx, ctx->Shared);
- }
+ struct gl_shared_state *oldSharedState = ctx->Shared;
+ GLint RefCount;
+
ctx->Shared = ctxToShare->Shared;
+
+ _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
ctx->Shared->RefCount++;
+ _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
+
+ update_default_objects(ctx);
+
+ _glthread_LOCK_MUTEX(oldSharedState->Mutex);
+ RefCount = --oldSharedState->RefCount;
+ _glthread_UNLOCK_MUTEX(oldSharedState->Mutex);
+
+ if (RefCount == 0) {
+ _mesa_free_shared_state(ctx, oldSharedState);
+ }
+
return GL_TRUE;
}
else {
{
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+ FLUSH_CURRENT( ctx, 0 );
if (ctx->Driver.Finish) {
ctx->Driver.Finish(ctx);
}
{
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+ FLUSH_CURRENT( ctx, 0 );
if (ctx->Driver.Flush) {
ctx->Driver.Flush(ctx);
}
}
+/**
+ * Set mvp_with_dp4 flag. If a driver has a preference for DP4 over
+ * MUL/MAD, or vice versa, call this function to register that.
+ * Otherwise we default to MUL/MAD.
+ */
+void
+_mesa_set_mvp_with_dp4( GLcontext *ctx,
+ GLboolean flag )
+{
+ ctx->mvp_with_dp4 = flag;
+}
+
+
/*@}*/
projects / mesa.git / blobdiff