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- // 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/task/single_thread_task_runner.h"
- #include "gpu/command_buffer/common/context_creation_attribs.h"
- #include "gpu/command_buffer/service/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"
- 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(const GLInProcessContext&) = delete;
- GLInProcessContext& operator=(const GLInProcessContext&) = delete;
- ~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(CommandBufferTaskExecutor* task_executor,
- const ContextCreationAttribs& attribs,
- const SharedMemoryLimits& memory_limits,
- ImageFactory* image_factory);
- 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_;
- };
- } // namespace gpu
- #endif // GPU_IPC_GL_IN_PROCESS_CONTEXT_H_
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