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      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   virtual bool Initialize(GLSurface* compatible_surface,
     26                           GpuPreference gpu_preference) OVERRIDE;
     27   virtual void Destroy() OVERRIDE;
     28   virtual bool MakeCurrent(GLSurface* surface) OVERRIDE;
     29   virtual void ReleaseCurrent(GLSurface* surface) OVERRIDE;
     30   virtual bool IsCurrent(GLSurface* surface) OVERRIDE;
     31   virtual void* GetHandle() OVERRIDE;
     32   virtual void SetSwapInterval(int interval) OVERRIDE;
     33 
     34  protected:
     35   virtual ~GLContextOSMesa();
     36 
     37  private:
     38   OSMesaContext context_;
     39 
     40   DISALLOW_COPY_AND_ASSIGN(GLContextOSMesa);
     41 };
     42 
     43 }  // namespace gfx
     44 
     45 #endif  // UI_GL_GL_CONTEXT_OSMESA_H_
     46