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26 #ifndef Extensions3DChromium_h
27 #define Extensions3DChromium_h
29 #include "Extensions3D.h"
33 class GraphicsContext3DInternal;
35 class Extensions3DChromium : public Extensions3D {
37 virtual ~Extensions3DChromium();
39 // Extensions3D methods.
40 virtual bool supports(const String&);
41 virtual int getGraphicsResetStatusARB();
44 // GL_CHROMIUM_map_sub (enums inherited from GL_ARB_vertex_buffer_object)
49 // GL_CHROMIUM_map_sub
50 void* mapBufferSubDataCHROMIUM(unsigned target, int offset, int size, unsigned access);
51 void unmapBufferSubDataCHROMIUM(const void*);
52 void* mapTexSubImage2DCHROMIUM(unsigned target, int level, int xoffset, int yoffset, int width, int height, unsigned format, unsigned type, unsigned access);
53 void unmapTexSubImage2DCHROMIUM(const void*);
55 // GL_CHROMIUM_copy_texture_to_parent_texture
56 void copyTextureToParentTextureCHROMIUM(unsigned texture, unsigned parentTexture);
59 // Instances of this class are strictly owned by the GraphicsContext3D implementation and do not
60 // need to be instantiated by any other code.
61 friend class GraphicsContext3DInternal;
62 explicit Extensions3DChromium(GraphicsContext3DInternal*);
64 // Weak pointer back to GraphicsContext3DInternal
65 GraphicsContext3DInternal* m_internal;
68 } // namespace WebCore
70 #endif // Extensions3DChromium_h