| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef GPU_COMMAND_BUFFER_SERVICE_CONTEXT_GROUP_H_ |
| #define GPU_COMMAND_BUFFER_SERVICE_CONTEXT_GROUP_H_ |
| |
| #include <string> |
| #include <vector> |
| #include "base/basictypes.h" |
| #include "base/containers/hash_tables.h" |
| #include "base/memory/linked_ptr.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/memory/weak_ptr.h" |
| #include "gpu/command_buffer/common/gles2_cmd_format.h" |
| #include "gpu/command_buffer/service/feature_info.h" |
| #include "gpu/command_buffer/service/gles2_cmd_validation.h" |
| #include "gpu/command_buffer/service/shader_translator_cache.h" |
| #include "gpu/gpu_export.h" |
| |
| namespace gpu { |
| |
| class IdAllocatorInterface; |
| class TransferBufferManagerInterface; |
| |
| namespace gles2 { |
| |
| class ProgramCache; |
| class BufferManager; |
| class GLES2Decoder; |
| class FramebufferManager; |
| class MailboxManager; |
| class RenderbufferManager; |
| class ProgramManager; |
| class ShaderManager; |
| class TextureManager; |
| class MemoryTracker; |
| struct DisallowedFeatures; |
| |
| // A Context Group helps manage multiple GLES2Decoders that share |
| // resources. |
| class GPU_EXPORT ContextGroup : public base::RefCounted<ContextGroup> { |
| public: |
| ContextGroup( |
| MailboxManager* mailbox_manager, |
| MemoryTracker* memory_tracker, |
| ShaderTranslatorCache* shader_translator_cache, |
| FeatureInfo* feature_info, |
| bool bind_generates_resource); |
| |
| // This should only be called by GLES2Decoder. This must be paired with a |
| // call to destroy if it succeeds. |
| bool Initialize( |
| GLES2Decoder* decoder, |
| const DisallowedFeatures& disallowed_features); |
| |
| // Destroys all the resources when called for the last context in the group. |
| // It should only be called by GLES2Decoder. |
| void Destroy(GLES2Decoder* decoder, bool have_context); |
| |
| MailboxManager* mailbox_manager() const { |
| return mailbox_manager_.get(); |
| } |
| |
| MemoryTracker* memory_tracker() const { |
| return memory_tracker_.get(); |
| } |
| |
| ShaderTranslatorCache* shader_translator_cache() const { |
| return shader_translator_cache_.get(); |
| } |
| |
| bool bind_generates_resource() { |
| return bind_generates_resource_; |
| } |
| |
| uint32 max_vertex_attribs() const { |
| return max_vertex_attribs_; |
| } |
| |
| uint32 max_texture_units() const { |
| return max_texture_units_; |
| } |
| |
| uint32 max_texture_image_units() const { |
| return max_texture_image_units_; |
| } |
| |
| uint32 max_vertex_texture_image_units() const { |
| return max_vertex_texture_image_units_; |
| } |
| |
| uint32 max_fragment_uniform_vectors() const { |
| return max_fragment_uniform_vectors_; |
| } |
| |
| uint32 max_varying_vectors() const { |
| return max_varying_vectors_; |
| } |
| |
| uint32 max_vertex_uniform_vectors() const { |
| return max_vertex_uniform_vectors_; |
| } |
| |
| uint32 max_color_attachments() const { |
| return max_color_attachments_; |
| } |
| |
| uint32 max_draw_buffers() const { |
| return max_draw_buffers_; |
| } |
| |
| FeatureInfo* feature_info() { |
| return feature_info_.get(); |
| } |
| |
| BufferManager* buffer_manager() const { |
| return buffer_manager_.get(); |
| } |
| |
| FramebufferManager* framebuffer_manager() const { |
| return framebuffer_manager_.get(); |
| } |
| |
| RenderbufferManager* renderbuffer_manager() const { |
| return renderbuffer_manager_.get(); |
| } |
| |
| TextureManager* texture_manager() const { |
| return texture_manager_.get(); |
| } |
| |
| ProgramManager* program_manager() const { |
| return program_manager_.get(); |
| } |
| |
| bool has_program_cache() const { |
| return program_cache_ != NULL; |
| } |
| |
| void set_program_cache(ProgramCache* program_cache) { |
| program_cache_ = program_cache; |
| } |
| |
| ShaderManager* shader_manager() const { |
| return shader_manager_.get(); |
| } |
| |
| TransferBufferManagerInterface* transfer_buffer_manager() const { |
| return transfer_buffer_manager_.get(); |
| } |
| |
| IdAllocatorInterface* GetIdAllocator(unsigned namespace_id); |
| |
| uint32 GetMemRepresented() const; |
| |
| // Loses all the context associated with this group. |
| void LoseContexts(GLenum reset_status); |
| |
| // EXT_draw_buffer related states for backbuffer. |
| GLenum draw_buffer() const { |
| return draw_buffer_; |
| } |
| void set_draw_buffer(GLenum buf) { |
| draw_buffer_ = buf; |
| } |
| |
| private: |
| friend class base::RefCounted<ContextGroup>; |
| ~ContextGroup(); |
| |
| bool CheckGLFeature(GLint min_required, GLint* v); |
| bool CheckGLFeatureU(GLint min_required, uint32* v); |
| bool QueryGLFeature(GLenum pname, GLint min_required, GLint* v); |
| bool QueryGLFeatureU(GLenum pname, GLint min_required, uint32* v); |
| bool HaveContexts(); |
| |
| scoped_refptr<MailboxManager> mailbox_manager_; |
| scoped_refptr<MemoryTracker> memory_tracker_; |
| scoped_refptr<ShaderTranslatorCache> shader_translator_cache_; |
| scoped_ptr<TransferBufferManagerInterface> transfer_buffer_manager_; |
| |
| bool enforce_gl_minimums_; |
| bool bind_generates_resource_; |
| |
| uint32 max_vertex_attribs_; |
| uint32 max_texture_units_; |
| uint32 max_texture_image_units_; |
| uint32 max_vertex_texture_image_units_; |
| uint32 max_fragment_uniform_vectors_; |
| uint32 max_varying_vectors_; |
| uint32 max_vertex_uniform_vectors_; |
| uint32 max_color_attachments_; |
| uint32 max_draw_buffers_; |
| |
| ProgramCache* program_cache_; |
| |
| scoped_ptr<BufferManager> buffer_manager_; |
| |
| scoped_ptr<FramebufferManager> framebuffer_manager_; |
| |
| scoped_ptr<RenderbufferManager> renderbuffer_manager_; |
| |
| scoped_ptr<TextureManager> texture_manager_; |
| |
| scoped_ptr<ProgramManager> program_manager_; |
| |
| scoped_ptr<ShaderManager> shader_manager_; |
| |
| linked_ptr<IdAllocatorInterface> |
| id_namespaces_[id_namespaces::kNumIdNamespaces]; |
| |
| scoped_refptr<FeatureInfo> feature_info_; |
| |
| std::vector<base::WeakPtr<gles2::GLES2Decoder> > decoders_; |
| |
| GLenum draw_buffer_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ContextGroup); |
| }; |
| |
| } // namespace gles2 |
| } // namespace gpu |
| |
| #endif // GPU_COMMAND_BUFFER_SERVICE_CONTEXT_GROUP_H_ |
| |
| |