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 "base/compiler_specific.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "base/memory/scoped_ptr.h"
  11 #include "base/memory/weak_ptr.h"
  12 #include "gpu/gpu_export.h"
  13 #include "ui/gl/gl_context.h"
  14
  15 namespace gfx {
  16 class Display;
  17 class GLSurface;
  18 class GLStateRestorer;
  19 }
  20
  21 namespace gpu {
  22 namespace gles2 {
  23 class GLES2Decoder;
  24 }
  25
  26 // Encapsulates a virtual OpenGL context.
  27 class GPU_EXPORT GLContextVirtual : public gfx::GLContext {
  28  public:
  29   GLContextVirtual(
  30       gfx::GLShareGroup* share_group,
  31       gfx::GLContext* shared_context,
  32       base::WeakPtr<gles2::GLES2Decoder> decoder);
  33
  34   // Implement GLContext.
  35   bool Initialize(gfx::GLSurface* compatible_surface,
  36                   gfx::GpuPreference gpu_preference) override;
  37   void Destroy() override;
  38   bool MakeCurrent(gfx::GLSurface* surface) override;
  39   void ReleaseCurrent(gfx::GLSurface* surface) override;
  40   bool IsCurrent(gfx::GLSurface* surface) override;
  41   void* GetHandle() override;
  42   scoped_refptr<gfx::GPUTimingClient> CreateGPUTimingClient() override;
  43   void OnSetSwapInterval(int interval) override;
  44   std::string GetExtensions() override;
  45   bool GetTotalGpuMemory(size_t* bytes) override;
  46   void SetSafeToForceGpuSwitch() override;
  47   bool WasAllocatedUsingRobustnessExtension() override;
  48   void SetUnbindFboOnMakeCurrent() override;
  49   base::Closure GetStateWasDirtiedExternallyCallback() override;
  50   void RestoreStateIfDirtiedExternally() override;
  51
  52  protected:
  53   ~GLContextVirtual() override;
  54
  55  private:
  56   scoped_refptr<gfx::GLContext> shared_context_;
  57   base::WeakPtr<gles2::GLES2Decoder> decoder_;
  58
  59   DISALLOW_COPY_AND_ASSIGN(GLContextVirtual);
  60 };
  61
  62 }  // namespace gpu
  63
  64 #endif  // GPU_COMMAND_BUFFER_SERVICE_GL_CONTEXT_VIRTUAL_H_