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/*
* Copyright (C) 2010 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef Extensions3DChromium_h
#define Extensions3DChromium_h
#include "Extensions3D.h"
namespace WebCore {
class GraphicsContext3DInternal;
class Extensions3DChromium : public Extensions3D {
public:
virtual ~Extensions3DChromium();
// Supported extensions:
// GL_CHROMIUM_resource_safe : indicating that textures/renderbuffers are always initialized before read/write.
// GL_CHROMIUM_strict_attribs : indicating a GL error is generated for out-of-bounds buffer accesses.
// Extensions3D methods.
virtual bool supports(const String&);
virtual int getGraphicsResetStatusARB();
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) { }
virtual void renderbufferStorageMultisample(unsigned long target, unsigned long samples, unsigned long internalformat, unsigned long width, unsigned long height) { }
enum {
// GL_CHROMIUM_map_sub (enums inherited from GL_ARB_vertex_buffer_object)
READ_ONLY = 0x88B8,
WRITE_ONLY = 0x88B9
};
// GL_CHROMIUM_map_sub
void* mapBufferSubDataCHROMIUM(unsigned target, int offset, int size, unsigned access);
void unmapBufferSubDataCHROMIUM(const void*);
void* mapTexSubImage2DCHROMIUM(unsigned target, int level, int xoffset, int yoffset, int width, int height, unsigned format, unsigned type, unsigned access);
void unmapTexSubImage2DCHROMIUM(const void*);
// GL_CHROMIUM_copy_texture_to_parent_texture
void copyTextureToParentTextureCHROMIUM(unsigned texture, unsigned parentTexture);
private:
// Instances of this class are strictly owned by the GraphicsContext3D implementation and do not
// need to be instantiated by any other code.
friend class GraphicsContext3DInternal;
explicit Extensions3DChromium(GraphicsContext3DInternal*);
// Weak pointer back to GraphicsContext3DInternal
GraphicsContext3DInternal* m_internal;
};
} // namespace WebCore
#endif // Extensions3DChromium_h
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