| /* |
| * Mesa 3-D graphics library |
| * |
| * Copyright (C) 2009 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"), |
| * 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 |
| * THE AUTHORS OR COPYRIGHT HOLDERS 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. |
| */ |
| |
| /** |
| * \file shared.c |
| * Shared-context state |
| */ |
| |
| |
| #include "mtypes.h" |
| #include "hash.h" |
| #include "atifragshader.h" |
| #include "bufferobj.h" |
| #include "shared.h" |
| #include "program/program.h" |
| #include "dlist.h" |
| #include "samplerobj.h" |
| #include "shaderapi.h" |
| #include "shaderobj.h" |
| #include "syncobj.h" |
| #include "texturebindless.h" |
| |
| #include "util/hash_table.h" |
| #include "util/set.h" |
| #include "util/u_memory.h" |
| |
| static void |
| free_shared_state(struct gl_context *ctx, struct gl_shared_state *shared); |
| |
| /** |
| * 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. |
| */ |
| struct gl_shared_state * |
| _mesa_alloc_shared_state(struct gl_context *ctx) |
| { |
| struct gl_shared_state *shared; |
| GLuint i; |
| |
| shared = CALLOC_STRUCT(gl_shared_state); |
| if (!shared) |
| return NULL; |
| |
| simple_mtx_init(&shared->Mutex, mtx_plain); |
| |
| shared->DisplayList = _mesa_NewHashTable(); |
| shared->BitmapAtlas = _mesa_NewHashTable(); |
| shared->TexObjects = _mesa_NewHashTable(); |
| shared->Programs = _mesa_NewHashTable(); |
| |
| shared->DefaultVertexProgram = |
| ctx->Driver.NewProgram(ctx, MESA_SHADER_VERTEX, 0, true); |
| shared->DefaultFragmentProgram = |
| ctx->Driver.NewProgram(ctx, MESA_SHADER_FRAGMENT, 0, true); |
| |
| shared->ATIShaders = _mesa_NewHashTable(); |
| shared->DefaultFragmentShader = _mesa_new_ati_fragment_shader(ctx, 0); |
| |
| shared->ShaderObjects = _mesa_NewHashTable(); |
| |
| shared->BufferObjects = _mesa_NewHashTable(); |
| |
| /* GL_ARB_sampler_objects */ |
| shared->SamplerObjects = _mesa_NewHashTable(); |
| |
| /* GL_ARB_bindless_texture */ |
| _mesa_init_shared_handles(shared); |
| |
| /* ARB_shading_language_include */ |
| _mesa_init_shader_includes(shared); |
| mtx_init(&shared->ShaderIncludeMutex, mtx_plain); |
| |
| /* Create default texture objects */ |
| for (i = 0; i < NUM_TEXTURE_TARGETS; i++) { |
| /* NOTE: the order of these enums matches the TEXTURE_x_INDEX values */ |
| static const GLenum targets[] = { |
| GL_TEXTURE_2D_MULTISAMPLE, |
| GL_TEXTURE_2D_MULTISAMPLE_ARRAY, |
| GL_TEXTURE_CUBE_MAP_ARRAY, |
| GL_TEXTURE_BUFFER, |
| GL_TEXTURE_2D_ARRAY_EXT, |
| GL_TEXTURE_1D_ARRAY_EXT, |
| GL_TEXTURE_EXTERNAL_OES, |
| GL_TEXTURE_CUBE_MAP, |
| GL_TEXTURE_3D, |
| GL_TEXTURE_RECTANGLE_NV, |
| GL_TEXTURE_2D, |
| GL_TEXTURE_1D |
| }; |
| STATIC_ASSERT(ARRAY_SIZE(targets) == NUM_TEXTURE_TARGETS); |
| shared->DefaultTex[i] = ctx->Driver.NewTextureObject(ctx, 0, targets[i]); |
| /* Need to explicitly set/overwrite the TargetIndex field here since |
| * the call to _mesa_tex_target_to_index() in NewTextureObject() may |
| * fail if the texture target is not supported. |
| */ |
| shared->DefaultTex[i]->TargetIndex = i; |
| } |
| |
| /* sanity check */ |
| assert(shared->DefaultTex[TEXTURE_1D_INDEX]->RefCount == 1); |
| |
| /* Mutex and timestamp for texobj state validation */ |
| mtx_init(&shared->TexMutex, mtx_recursive); |
| shared->TextureStateStamp = 0; |
| |
| shared->FrameBuffers = _mesa_NewHashTable(); |
| shared->RenderBuffers = _mesa_NewHashTable(); |
| |
| shared->SyncObjects = _mesa_set_create(NULL, _mesa_hash_pointer, |
| _mesa_key_pointer_equal); |
| |
| shared->MemoryObjects = _mesa_NewHashTable(); |
| shared->SemaphoreObjects = _mesa_NewHashTable(); |
| |
| return shared; |
| } |
| |
| |
| /** |
| * Callback for deleting a display list. Called by _mesa_HashDeleteAll(). |
| */ |
| static void |
| delete_displaylist_cb(GLuint id, void *data, void *userData) |
| { |
| struct gl_display_list *list = (struct gl_display_list *) data; |
| struct gl_context *ctx = (struct gl_context *) userData; |
| _mesa_delete_list(ctx, list); |
| } |
| |
| |
| /** |
| * Callback for deleting a bitmap atlas. Called by _mesa_HashDeleteAll(). |
| */ |
| static void |
| delete_bitmap_atlas_cb(GLuint id, void *data, void *userData) |
| { |
| struct gl_bitmap_atlas *atlas = (struct gl_bitmap_atlas *) data; |
| struct gl_context *ctx = (struct gl_context *) userData; |
| _mesa_delete_bitmap_atlas(ctx, atlas); |
| } |
| |
| |
| /** |
| * 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; |
| struct gl_context *ctx = (struct gl_context *) 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; |
| struct gl_context *ctx = (struct gl_context *) userData; |
| if(prog != &_mesa_DummyProgram) { |
| 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; |
| struct gl_context *ctx = (struct gl_context *) 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; |
| struct gl_context *ctx = (struct gl_context *) userData; |
| |
| _mesa_buffer_unmap_all_mappings(ctx, bufObj); |
| _mesa_reference_buffer_object(ctx, &bufObj, NULL); |
| } |
| |
| |
| /** |
| * 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) |
| { |
| struct gl_context *ctx = (struct gl_context *) 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) |
| { |
| struct gl_context *ctx = (struct gl_context *) userData; |
| struct gl_shader *sh = (struct gl_shader *) data; |
| if (_mesa_validate_shader_target(ctx, sh->Type)) { |
| _mesa_delete_shader(ctx, sh); |
| } |
| else { |
| struct gl_shader_program *shProg = (struct gl_shader_program *) data; |
| assert(shProg->Type == GL_SHADER_PROGRAM_MESA); |
| _mesa_delete_shader_program(ctx, shProg); |
| } |
| } |
| |
| |
| /** |
| * Callback for deleting a framebuffer object. Called by _mesa_HashDeleteAll() |
| */ |
| static void |
| delete_framebuffer_cb(GLuint id, void *data, void *userData) |
| { |
| struct gl_framebuffer *fb = (struct gl_framebuffer *) data; |
| /* The fact that the framebuffer is in the hashtable means its refcount |
| * is one, but we're removing from the hashtable now. So clear refcount. |
| */ |
| /*assert(fb->RefCount == 1);*/ |
| fb->RefCount = 0; |
| |
| /* NOTE: Delete should always be defined but there are two reports |
| * of it being NULL (bugs 13507, 14293). Work-around for now. |
| */ |
| if (fb->Delete) |
| fb->Delete(fb); |
| } |
| |
| |
| /** |
| * Callback for deleting a renderbuffer object. Called by _mesa_HashDeleteAll() |
| */ |
| static void |
| delete_renderbuffer_cb(GLuint id, void *data, void *userData) |
| { |
| struct gl_context *ctx = (struct gl_context *) userData; |
| struct gl_renderbuffer *rb = (struct gl_renderbuffer *) data; |
| rb->RefCount = 0; /* see comment for FBOs above */ |
| if (rb->Delete) |
| rb->Delete(ctx, rb); |
| } |
| |
| |
| /** |
| * Callback for deleting a sampler object. Called by _mesa_HashDeleteAll() |
| */ |
| static void |
| delete_sampler_object_cb(GLuint id, void *data, void *userData) |
| { |
| struct gl_context *ctx = (struct gl_context *) userData; |
| struct gl_sampler_object *sampObj = (struct gl_sampler_object *) data; |
| _mesa_reference_sampler_object(ctx, &sampObj, NULL); |
| } |
| |
| /** |
| * Callback for deleting a memory object. Called by _mesa_HashDeleteAll(). |
| */ |
| static void |
| delete_memory_object_cb(GLuint id, void *data, void *userData) |
| { |
| struct gl_memory_object *memObj = (struct gl_memory_object *) data; |
| struct gl_context *ctx = (struct gl_context *) userData; |
| ctx->Driver.DeleteMemoryObject(ctx, memObj); |
| } |
| |
| /** |
| * Callback for deleting a memory object. Called by _mesa_HashDeleteAll(). |
| */ |
| static void |
| delete_semaphore_object_cb(GLuint id, void *data, void *userData) |
| { |
| struct gl_semaphore_object *semObj = (struct gl_semaphore_object *) data; |
| struct gl_context *ctx = (struct gl_context *) userData; |
| ctx->Driver.DeleteSemaphoreObject(ctx, semObj); |
| } |
| |
| /** |
| * Deallocate a shared state object and all children structures. |
| * |
| * \param ctx GL context. |
| * \param shared 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(struct gl_context *ctx, struct gl_shared_state *shared) |
| { |
| GLuint i; |
| |
| /* Free the dummy/fallback texture objects */ |
| for (i = 0; i < NUM_TEXTURE_TARGETS; i++) { |
| if (shared->FallbackTex[i]) |
| ctx->Driver.DeleteTexture(ctx, shared->FallbackTex[i]); |
| } |
| |
| /* |
| * Free display lists |
| */ |
| if (shared->DisplayList) { |
| _mesa_HashDeleteAll(shared->DisplayList, delete_displaylist_cb, ctx); |
| _mesa_DeleteHashTable(shared->DisplayList); |
| } |
| |
| if (shared->BitmapAtlas) { |
| _mesa_HashDeleteAll(shared->BitmapAtlas, delete_bitmap_atlas_cb, ctx); |
| _mesa_DeleteHashTable(shared->BitmapAtlas); |
| } |
| |
| if (shared->ShaderObjects) { |
| _mesa_HashWalk(shared->ShaderObjects, free_shader_program_data_cb, ctx); |
| _mesa_HashDeleteAll(shared->ShaderObjects, delete_shader_cb, ctx); |
| _mesa_DeleteHashTable(shared->ShaderObjects); |
| } |
| |
| if (shared->Programs) { |
| _mesa_HashDeleteAll(shared->Programs, delete_program_cb, ctx); |
| _mesa_DeleteHashTable(shared->Programs); |
| } |
| |
| if (shared->DefaultVertexProgram) |
| _mesa_reference_program(ctx, &shared->DefaultVertexProgram, NULL); |
| |
| if (shared->DefaultFragmentProgram) |
| _mesa_reference_program(ctx, &shared->DefaultFragmentProgram, NULL); |
| |
| if (shared->DefaultFragmentShader) |
| _mesa_delete_ati_fragment_shader(ctx, shared->DefaultFragmentShader); |
| |
| if (shared->ATIShaders) { |
| _mesa_HashDeleteAll(shared->ATIShaders, delete_fragshader_cb, ctx); |
| _mesa_DeleteHashTable(shared->ATIShaders); |
| } |
| |
| if (shared->BufferObjects) { |
| _mesa_HashDeleteAll(shared->BufferObjects, delete_bufferobj_cb, ctx); |
| _mesa_DeleteHashTable(shared->BufferObjects); |
| } |
| |
| if (shared->FrameBuffers) { |
| _mesa_HashDeleteAll(shared->FrameBuffers, delete_framebuffer_cb, ctx); |
| _mesa_DeleteHashTable(shared->FrameBuffers); |
| } |
| |
| if (shared->RenderBuffers) { |
| _mesa_HashDeleteAll(shared->RenderBuffers, delete_renderbuffer_cb, ctx); |
| _mesa_DeleteHashTable(shared->RenderBuffers); |
| } |
| |
| if (shared->SyncObjects) { |
| set_foreach(shared->SyncObjects, entry) { |
| _mesa_unref_sync_object(ctx, (struct gl_sync_object *) entry->key, 1); |
| } |
| |
| _mesa_set_destroy(shared->SyncObjects, NULL); |
| } |
| |
| if (shared->SamplerObjects) { |
| _mesa_HashDeleteAll(shared->SamplerObjects, delete_sampler_object_cb, |
| ctx); |
| _mesa_DeleteHashTable(shared->SamplerObjects); |
| } |
| |
| /* |
| * Free texture objects (after FBOs since some textures might have |
| * been bound to FBOs). |
| */ |
| assert(ctx->Driver.DeleteTexture); |
| /* the default textures */ |
| for (i = 0; i < NUM_TEXTURE_TARGETS; i++) { |
| if (shared->DefaultTex[i]) |
| ctx->Driver.DeleteTexture(ctx, shared->DefaultTex[i]); |
| } |
| |
| /* all other textures */ |
| if (shared->TexObjects) { |
| _mesa_HashDeleteAll(shared->TexObjects, delete_texture_cb, ctx); |
| _mesa_DeleteHashTable(shared->TexObjects); |
| } |
| |
| _mesa_free_shared_handles(shared); |
| |
| /* ARB_shading_language_include */ |
| _mesa_destroy_shader_includes(shared); |
| mtx_destroy(&shared->ShaderIncludeMutex); |
| |
| if (shared->MemoryObjects) { |
| _mesa_HashDeleteAll(shared->MemoryObjects, delete_memory_object_cb, ctx); |
| _mesa_DeleteHashTable(shared->MemoryObjects); |
| } |
| |
| if (shared->SemaphoreObjects) { |
| _mesa_HashDeleteAll(shared->SemaphoreObjects, delete_semaphore_object_cb, ctx); |
| _mesa_DeleteHashTable(shared->SemaphoreObjects); |
| } |
| |
| simple_mtx_destroy(&shared->Mutex); |
| mtx_destroy(&shared->TexMutex); |
| |
| free(shared); |
| } |
| |
| |
| /** |
| * gl_shared_state objects are ref counted. |
| * If ptr's refcount goes to zero, free the shared state. |
| */ |
| void |
| _mesa_reference_shared_state(struct gl_context *ctx, |
| struct gl_shared_state **ptr, |
| struct gl_shared_state *state) |
| { |
| if (*ptr == state) |
| return; |
| |
| if (*ptr) { |
| /* unref old state */ |
| struct gl_shared_state *old = *ptr; |
| GLboolean delete; |
| |
| simple_mtx_lock(&old->Mutex); |
| assert(old->RefCount >= 1); |
| old->RefCount--; |
| delete = (old->RefCount == 0); |
| simple_mtx_unlock(&old->Mutex); |
| |
| if (delete) { |
| free_shared_state(ctx, old); |
| } |
| |
| *ptr = NULL; |
| } |
| |
| if (state) { |
| /* reference new state */ |
| simple_mtx_lock(&state->Mutex); |
| state->RefCount++; |
| *ptr = state; |
| simple_mtx_unlock(&state->Mutex); |
| } |
| } |