1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
/*
* Copyright (C) 2011 Google Inc. All rights reserved.
* Copyright (C) 2012 Research In Motion Limited. 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.
*/
#pragma once
#include "GraphicsTypesGL.h"
#include <wtf/HashSet.h>
#include <wtf/text/StringHash.h>
namespace WebCore {
class GraphicsContextGLOpenGL;
class ExtensionsGLOpenGLCommon {
WTF_MAKE_FAST_ALLOCATED;
public:
virtual ~ExtensionsGLOpenGLCommon();
// Methods forwarded from GraphicsContextGLOpenGL.
virtual bool supports(const String&);
virtual void ensureEnabled(const String&);
virtual bool isEnabled(const String&);
virtual String getTranslatedShaderSourceANGLE(PlatformGLObject);
virtual void drawBuffersEXT(GCGLSpan<const GCGLenum> bufs) = 0;
// GL_OES_vertex_array_object
virtual PlatformGLObject createVertexArrayOES() = 0;
virtual void deleteVertexArrayOES(PlatformGLObject) = 0;
virtual GCGLboolean isVertexArrayOES(PlatformGLObject) = 0;
virtual void bindVertexArrayOES(PlatformGLObject) = 0;
virtual void drawArraysInstancedANGLE(GCGLenum mode, GCGLint first, GCGLsizei count, GCGLsizei primcount) = 0;
virtual void drawElementsInstancedANGLE(GCGLenum mode, GCGLsizei count, GCGLenum type, GCGLvoidptr offset, GCGLsizei primcount) = 0;
virtual void vertexAttribDivisorANGLE(GCGLuint index, GCGLuint divisor) = 0;
// EXT Robustness
virtual void readnPixelsEXT(int x, int y, GCGLsizei width, GCGLsizei height, GCGLenum format, GCGLenum type, GCGLsizei bufSize, void *data);
virtual void getnUniformfvEXT(GCGLuint program, int location, GCGLsizei bufSize, float *params);
virtual void getnUniformivEXT(GCGLuint program, int location, GCGLsizei bufSize, int *params);
bool isNVIDIA() const { return m_isNVIDIA; }
bool isAMD() const { return m_isAMD; }
bool isIntel() const { return m_isIntel; }
bool isImagination() const { return m_isImagination; }
String vendor() const { return m_vendor; }
bool requiresBuiltInFunctionEmulation() const { return m_requiresBuiltInFunctionEmulation; }
bool requiresRestrictedMaximumTextureSize() const { return m_requiresRestrictedMaximumTextureSize; }
protected:
friend class ExtensionsGLOpenGLES;
ExtensionsGLOpenGLCommon(GraphicsContextGLOpenGL*, bool useIndexedGetString);
virtual bool platformSupportsExtension(const String&) = 0;
virtual String getExtensions() = 0;
virtual void initializeAvailableExtensions();
bool m_initializedAvailableExtensions;
HashSet<String> m_availableExtensions;
// Weak pointer back to GraphicsContextGLOpenGL
GraphicsContextGLOpenGL* m_context;
bool m_isNVIDIA;
bool m_isAMD;
bool m_isIntel;
bool m_isImagination;
bool m_requiresBuiltInFunctionEmulation;
bool m_requiresRestrictedMaximumTextureSize;
bool m_useIndexedGetString { false };
String m_vendor;
String m_renderer;
};
} // namespace WebCore
|
