| // 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_IPC_GL_IN_PROCESS_CONTEXT_H_ |
| #define GPU_IPC_GL_IN_PROCESS_CONTEXT_H_ |
| |
| #include <memory> |
| |
| #include "base/single_thread_task_runner.h" |
| #include "gpu/command_buffer/common/context_creation_attribs.h" |
| #include "gpu/ipc/command_buffer_task_executor.h" |
| #include "gpu/ipc/gl_in_process_context_export.h" |
| #include "gpu/ipc/in_process_command_buffer.h" |
| #include "ui/gfx/native_widget_types.h" |
| #include "ui/gl/gl_surface.h" |
| |
| namespace gpu { |
| class SharedImageInterface; |
| class TransferBuffer; |
| struct GpuFeatureInfo; |
| struct SharedMemoryLimits; |
| |
| namespace gles2 { |
| class GLES2CmdHelper; |
| class GLES2Implementation; |
| } |
| |
| // Wraps everything needed to use an in process GL context. |
| class GL_IN_PROCESS_CONTEXT_EXPORT GLInProcessContext { |
| public: |
| // You must call Initialize() before using the context. |
| GLInProcessContext(); |
| ~GLInProcessContext(); |
| |
| // Initialize the GLInProcessContext, if |is_offscreen| is true, renders to an |
| // offscreen context. |attrib_list| must be null or a NONE-terminated list |
| // of attribute/value pairs. |
| // If |surface| is not null, then it must match |is_offscreen|, |
| // |window| must be gfx::kNullAcceleratedWidget, and the command buffer |
| // service must run on the same thread as this client because GLSurface is |
| // not thread safe. If |surface| is null, then the other parameters are used |
| // to correctly create a surface. |
| ContextResult Initialize( |
| scoped_refptr<CommandBufferTaskExecutor> task_executor, |
| scoped_refptr<gl::GLSurface> surface, |
| bool is_offscreen, |
| SurfaceHandle window, |
| const ContextCreationAttribs& attribs, |
| const SharedMemoryLimits& memory_limits, |
| GpuMemoryBufferManager* gpu_memory_buffer_manager, |
| ImageFactory* image_factory, |
| scoped_refptr<base::SingleThreadTaskRunner> task_runner); |
| |
| const Capabilities& GetCapabilities() const; |
| const GpuFeatureInfo& GetGpuFeatureInfo() const; |
| |
| // Allows direct access to the GLES2 implementation so a GLInProcessContext |
| // can be used without making it current. |
| gles2::GLES2Implementation* GetImplementation(); |
| |
| SharedImageInterface* GetSharedImageInterface(); |
| |
| private: |
| // The destruction order is important, don't reorder these member variables. |
| std::unique_ptr<InProcessCommandBuffer> command_buffer_; |
| std::unique_ptr<gles2::GLES2CmdHelper> gles2_helper_; |
| std::unique_ptr<TransferBuffer> transfer_buffer_; |
| std::unique_ptr<gles2::GLES2Implementation> gles2_implementation_; |
| |
| DISALLOW_COPY_AND_ASSIGN(GLInProcessContext); |
| }; |
| |
| } // namespace gpu |
| |
| #endif // GPU_IPC_GL_IN_PROCESS_CONTEXT_H_ |