ui/gl/gl_context_osmesa.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 UI_GL_GL_CONTEXT_OSMESA_H_
   6 #define UI_GL_GL_CONTEXT_OSMESA_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/compiler_specific.h"
  10 #include "ui/gl/gl_context.h"
  11
  12 typedef struct osmesa_context* OSMesaContext;
  13
  14 namespace gfx {
  15
  16 class GLShareGroup;
  17 class GLSurface;
  18
  19 // Encapsulates an OSMesa OpenGL context that uses software rendering.
  20 class GLContextOSMesa : public GLContextReal {
  21  public:
  22   explicit GLContextOSMesa(GLShareGroup* share_group);
  23
  24   // Implement GLContext.
  25   bool Initialize(GLSurface* compatible_surface,
  26                   GpuPreference gpu_preference) override;
  27   bool MakeCurrent(GLSurface* surface) override;
  28   void ReleaseCurrent(GLSurface* surface) override;
  29   bool IsCurrent(GLSurface* surface) override;
  30   void* GetHandle() override;
  31   void OnSetSwapInterval(int interval) override;
  32
  33  protected:
  34   ~GLContextOSMesa() override;
  35
  36  private:
  37   void Destroy();
  38
  39   OSMesaContext context_;
  40   bool is_released_;
  41
  42   DISALLOW_COPY_AND_ASSIGN(GLContextOSMesa);
  43 };
  44
  45 }  // namespace gfx
  46
  47 #endif  // UI_GL_GL_CONTEXT_OSMESA_H_