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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 // Supported extensions:
40 // GL_CHROMIUM_resource_safe : indicating that textures/renderbuffers are always initialized before read/write.
41 // GL_CHROMIUM_strict_attribs : indicating a GL error is generated for out-of-bounds buffer accesses.
43 // Extensions3D methods.
44 virtual bool supports(const String&);
45 virtual void ensureEnabled(const String&);
46 virtual int getGraphicsResetStatusARB();
47 virtual void blitFramebuffer(long srcX0, long srcY0, long srcX1, long srcY1, long dstX0, long dstY0, long dstX1, long dstY1, unsigned long mask, unsigned long filter);
48 virtual void renderbufferStorageMultisample(unsigned long target, unsigned long samples, unsigned long internalformat, unsigned long width, unsigned long height);
51 // GL_CHROMIUM_map_sub (enums inherited from GL_ARB_vertex_buffer_object)
56 // GL_CHROMIUM_map_sub
57 void* mapBufferSubDataCHROMIUM(unsigned target, int offset, int size, unsigned access);
58 void unmapBufferSubDataCHROMIUM(const void*);
59 void* mapTexSubImage2DCHROMIUM(unsigned target, int level, int xoffset, int yoffset, int width, int height, unsigned format, unsigned type, unsigned access);
60 void unmapTexSubImage2DCHROMIUM(const void*);
62 // GL_CHROMIUM_copy_texture_to_parent_texture
63 void copyTextureToParentTextureCHROMIUM(unsigned texture, unsigned parentTexture);
66 // Instances of this class are strictly owned by the GraphicsContext3D implementation and do not
67 // need to be instantiated by any other code.
68 friend class GraphicsContext3DInternal;
69 explicit Extensions3DChromium(GraphicsContext3DInternal*);
71 // Weak pointer back to GraphicsContext3DInternal
72 GraphicsContext3DInternal* m_internal;
75 } // namespace WebCore
77 #endif // Extensions3DChromium_h