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/*
* Copyright (C) 2011 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 GraphicsContext3DPrivate;
class ImageBuffer;
class Extensions3DChromium : public Extensions3D {
public:
virtual ~Extensions3DChromium();
// Supported extensions:
// GL_CHROMIUM_shallow_flush : only supported if an ipc command buffer is used.
// 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.
// GL_CHROMIUM_post_sub_buffer
// GL_CHROMIUM_map_sub
// GL_CHROMIUM_swapbuffers_complete_callback
// GL_CHROMIUM_rate_limit_offscreen_context
// GL_CHROMIUM_paint_framebuffer_canvas
// GL_CHROMIUM_iosurface (Mac OS X specific)
// GL_CHROMIUM_command_buffer_query
// GL_ANGLE_texture_usage
// GL_EXT_debug_marker
// GL_EXT_texture_storage
// GL_EXT_occlusion_query_boolean
// Extensions3D methods.
virtual bool supports(const String&);
virtual void ensureEnabled(const String&);
virtual bool isEnabled(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);
virtual Platform3DObject createVertexArrayOES();
virtual void deleteVertexArrayOES(Platform3DObject);
virtual GC3Dboolean isVertexArrayOES(Platform3DObject);
virtual void bindVertexArrayOES(Platform3DObject);
virtual String getTranslatedShaderSourceANGLE(Platform3DObject);
enum {
// GL_OES_EGL_image_external
GL_TEXTURE_EXTERNAL_OES = 0x8D65,
// GL_CHROMIUM_map_sub (enums inherited from GL_ARB_vertex_buffer_object)
READ_ONLY = 0x88B8,
WRITE_ONLY = 0x88B9,
// GL_ANGLE_texture_usage
GL_TEXTURE_USAGE_ANGLE = 0x93A2,
GL_FRAMEBUFFER_ATTACHMENT_ANGLE = 0x93A3,
// GL_EXT_texture_storage
BGRA8_EXT = 0x93A1,
// GL_EXT_occlusion_query_boolean
ANY_SAMPLES_PASSED_EXT = 0x8C2F,
ANY_SAMPLES_PASSED_CONSERVATIVE_EXT = 0x8D6A,
CURRENT_QUERY_EXT = 0x8865,
QUERY_RESULT_EXT = 0x8866,
QUERY_RESULT_AVAILABLE_EXT = 0x8867,
// GL_CHROMIUM_command_buffer_query
COMMANDS_ISSUED_CHROMIUM = 0x84F2
};
// 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_rate_limit_offscreen_context
void rateLimitOffscreenContextCHROMIUM();
// GL_CHROMIUM_paint_framebuffer_canvas
void paintFramebufferToCanvas(int framebuffer, int width, int height, bool premultiplyAlpha, ImageBuffer*);
// GL_CHROMIUM_iosurface
// To avoid needing to expose extraneous enums, assumes internal format
// RGBA, format BGRA, and type UNSIGNED_INT_8_8_8_8_REV.
void texImageIOSurface2DCHROMIUM(unsigned target, int width, int height, uint32_t ioSurfaceId, unsigned plane);
// GL_EXT_texture_storage
void texStorage2DEXT(unsigned target, int levels, unsigned internalformat, int width, int height);
// GL_EXT_occlusion_query
Platform3DObject createQueryEXT();
void deleteQueryEXT(Platform3DObject);
GC3Dboolean isQueryEXT(Platform3DObject);
void beginQueryEXT(GC3Denum, Platform3DObject);
void endQueryEXT(GC3Denum);
void getQueryivEXT(GC3Denum, GC3Denum, GC3Dint*);
void getQueryObjectuivEXT(Platform3DObject, GC3Denum, GC3Duint*);
// GL_CHROMIUM_copy_texture
void copyTextureCHROMIUM(GC3Denum, Platform3DObject, Platform3DObject, GC3Dint, GC3Denum);
// GL_CHROMIUM_shallow_flush
virtual void shallowFlushCHROMIUM();
// GL_EXT_robustness
virtual void readnPixelsEXT(int x, int y, GC3Dsizei width, GC3Dsizei height, GC3Denum format, GC3Denum type, GC3Dsizei bufSize, void *data);
virtual void getnUniformfvEXT(GC3Duint program, int location, GC3Dsizei bufSize, float *params);
virtual void getnUniformivEXT(GC3Duint program, int location, GC3Dsizei bufSize, int *params);
// GL_EXT_debug_marker
virtual void insertEventMarkerEXT(const String&);
virtual void pushGroupMarkerEXT(const String&);
virtual void popGroupMarkerEXT(void);
// Some helper methods to detect GPU functionality
virtual bool isNVIDIA() { return false; }
virtual bool isAMD() { return false; }
virtual bool isIntel() { return false; }
virtual String vendor() { return ""; }
virtual bool maySupportMultisampling() { return true; }
virtual bool requiresBuiltInFunctionEmulation() { return false; }
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 GraphicsContext3DPrivate;
explicit Extensions3DChromium(GraphicsContext3DPrivate*);
// Weak pointer back to GraphicsContext3DPrivate
GraphicsContext3DPrivate* m_private;
};
} // namespace WebCore
#endif // Extensions3DChromium_h
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