gpu/command_buffer/service/gl_context_virtual.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef GPU_COMMAND_BUFFER_SERVICE_GL_CONTEXT_VIRTUAL_H_
   6 #define GPU_COMMAND_BUFFER_SERVICE_GL_CONTEXT_VIRTUAL_H_
   7
   8 #include <string>
   9 #include "base/callback_forward.h"
  10 #include "base/macros.h"
  11 #include "base/memory/ref_counted.h"
  12 #include "base/memory/weak_ptr.h"
  13 #include "gpu/gpu_export.h"
  14 #include "ui/gl/gl_context.h"
  15
  16 namespace gfx {
  17 class GPUPreference;
  18 class GPUTimingClient;
  19 class GLShareGroup;
  20 class GLSurface;
  21 }
  22
  23 namespace gpu {
  24 namespace gles2 {
  25 class GLES2Decoder;
  26 }
  27
  28 // Encapsulates a virtual OpenGL context.
  29 class GPU_EXPORT GLContextVirtual : public gfx::GLContext {
  30  public:
  31   GLContextVirtual(
  32       gfx::GLShareGroup* share_group,
  33       gfx::GLContext* shared_context,
  34       base::WeakPtr<gles2::GLES2Decoder> decoder);
  35
  36   // Implement GLContext.
  37   bool Initialize(gfx::GLSurface* compatible_surface,
  38                   gfx::GpuPreference gpu_preference) override;
  39   bool MakeCurrent(gfx::GLSurface* surface) override;
  40   void ReleaseCurrent(gfx::GLSurface* surface) override;
  41   bool IsCurrent(gfx::GLSurface* surface) override;
  42   void* GetHandle() override;
  43   scoped_refptr<gfx::GPUTimingClient> CreateGPUTimingClient() override;
  44   void OnSetSwapInterval(int interval) override;
  45   std::string GetExtensions() override;
  46   bool GetTotalGpuMemory(size_t* bytes) override;
  47   void SetSafeToForceGpuSwitch() override;
  48   bool WasAllocatedUsingRobustnessExtension() override;
  49   void SetUnbindFboOnMakeCurrent() override;
  50   base::Closure GetStateWasDirtiedExternallyCallback() override;
  51   void RestoreStateIfDirtiedExternally() override;
  52
  53  protected:
  54   ~GLContextVirtual() override;
  55
  56  private:
  57   void Destroy();
  58
  59   scoped_refptr<gfx::GLContext> shared_context_;
  60   base::WeakPtr<gles2::GLES2Decoder> decoder_;
  61
  62   DISALLOW_COPY_AND_ASSIGN(GLContextVirtual);
  63 };
  64
  65 }  // namespace gpu
  66
  67 #endif  // GPU_COMMAND_BUFFER_SERVICE_GL_CONTEXT_VIRTUAL_H_