1/*
2 * Copyright (C) 2011 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include "Extensions3DOpenGLCommon.h"
29
30#include "GraphicsContext3D.h"
31#include <wtf/text/StringHash.h>
32
33namespace WebCore {
34
35class Extensions3DOpenGL : public Extensions3DOpenGLCommon {
36 WTF_MAKE_FAST_ALLOCATED;
37public:
38 // This class only needs to be instantiated by GraphicsContext3D implementations.
39 Extensions3DOpenGL(GraphicsContext3D*, bool useIndexedGetString);
40 virtual ~Extensions3DOpenGL();
41
42 // Extensions3D methods.
43 void blitFramebuffer(long srcX0, long srcY0, long srcX1, long srcY1, long dstX0, long dstY0, long dstX1, long dstY1, unsigned long mask, unsigned long filter) override;
44 void renderbufferStorageMultisample(unsigned long target, unsigned long samples, unsigned long internalformat, unsigned long width, unsigned long height) override;
45
46 Platform3DObject createVertexArrayOES() override;
47 void deleteVertexArrayOES(Platform3DObject) override;
48 GC3Dboolean isVertexArrayOES(Platform3DObject) override;
49 void bindVertexArrayOES(Platform3DObject) override;
50 void insertEventMarkerEXT(const String&) override;
51 void pushGroupMarkerEXT(const String&) override;
52 void popGroupMarkerEXT(void) override;
53 void drawBuffersEXT(GC3Dsizei, const GC3Denum*) override;
54
55 void drawArraysInstanced(GC3Denum mode, GC3Dint first, GC3Dsizei count, GC3Dsizei primcount) override;
56 void drawElementsInstanced(GC3Denum mode, GC3Dsizei count, GC3Denum type, long long offset, GC3Dsizei primcount) override;
57 void vertexAttribDivisor(GC3Duint index, GC3Duint divisor) override;
58
59protected:
60 bool supportsExtension(const WTF::String&) override;
61 String getExtensions() override;
62
63private:
64#if PLATFORM(GTK) || PLATFORM(WIN) || (PLATFORM(COCOA) && USE(OPENGL_ES))
65 bool isVertexArrayObjectSupported();
66#endif
67};
68
69} // namespace WebCore
70