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1 /* | 1 /* |
2 * Copyright (C) 2012 Google Inc. All rights reserved. | 2 * Copyright (C) 2012 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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38 namespace gpu { | 38 namespace gpu { |
39 namespace gles2 { | 39 namespace gles2 { |
40 class GLES2Interface; | 40 class GLES2Interface; |
41 } | 41 } |
42 } | 42 } |
43 | 43 |
44 struct GrGLInterface; | 44 struct GrGLInterface; |
45 | 45 |
46 namespace blink { | 46 namespace blink { |
47 | 47 |
48 // WGC3D types match the corresponding GL types as defined in OpenGL ES 2.0 | |
49 // header file gl2.h from khronos.org. | |
50 typedef char WGC3Dchar; | |
51 typedef unsigned WGC3Denum; | |
52 typedef unsigned char WGC3Dboolean; | |
53 typedef unsigned WGC3Dbitfield; | |
54 typedef signed char WGC3Dbyte; | |
55 typedef unsigned char WGC3Dubyte; | |
56 typedef short WGC3Dshort; | |
57 typedef unsigned short WGC3Dushort; | |
58 typedef int WGC3Dint; | |
59 typedef int WGC3Dsizei; | |
60 typedef unsigned WGC3Duint; | |
61 typedef float WGC3Dfloat; | |
62 typedef float WGC3Dclampf; | |
63 typedef signed long int WGC3Dintptr; | |
64 typedef signed long int WGC3Dsizeiptr; | |
65 typedef int64_t WGC3Dint64; | |
66 typedef uint64_t WGC3Duint64; | |
67 | |
68 // Typedef for server-side objects like OpenGL textures and program objects. | |
69 typedef WGC3Duint WebGLId; | |
70 | |
71 // This interface abstracts the operations performed by the | 48 // This interface abstracts the operations performed by the |
72 // GraphicsContext3D in order to implement WebGL. Nearly all of the | 49 // GraphicsContext3D in order to implement WebGL. Nearly all of the |
73 // methods exposed on this interface map directly to entry points in | 50 // methods exposed on this interface map directly to entry points in |
74 // the OpenGL ES 2.0 API. | 51 // the OpenGL ES 2.0 API. |
75 class WebGraphicsContext3D : public WebNonCopyable { | 52 class WebGraphicsContext3D : public WebNonCopyable { |
76 public: | 53 public: |
77 // Context creation attributes. | 54 // Context creation attributes. |
78 struct Attributes { | 55 struct Attributes { |
79 bool alpha = true; | 56 bool alpha = true; |
80 bool depth = true; | 57 bool depth = true; |
81 bool stencil = true; | 58 bool stencil = true; |
82 bool antialias = true; | 59 bool antialias = true; |
83 bool premultipliedAlpha = true; | 60 bool premultipliedAlpha = true; |
84 bool canRecoverFromContextLoss = true; | 61 bool canRecoverFromContextLoss = true; |
85 bool noExtensions = false; | 62 bool noExtensions = false; |
86 bool shareResources = true; | 63 bool shareResources = true; |
87 bool preferDiscreteGPU = false; | 64 bool preferDiscreteGPU = false; |
88 bool noAutomaticFlushes = false; | 65 bool noAutomaticFlushes = false; |
89 bool failIfMajorPerformanceCaveat = false; | 66 bool failIfMajorPerformanceCaveat = false; |
90 bool webGL = false; | 67 bool webGL = false; |
91 unsigned webGLVersion = 0; | 68 unsigned webGLVersion = 0; |
92 // FIXME: ideally this would be a WebURL, but it is currently not | 69 // FIXME: ideally this would be a WebURL, but it is currently not |
93 // possible to pass a WebURL by value across the WebKit API boundary. | 70 // possible to pass a WebURL by value across the WebKit API boundary. |
94 // See https://bugs.webkit.org/show_bug.cgi?id=103793#c13 . | 71 // See https://bugs.webkit.org/show_bug.cgi?id=103793#c13 . |
95 WebString topDocumentURL; | 72 WebString topDocumentURL; |
96 }; | 73 }; |
97 | 74 |
98 struct WebGraphicsInfo { | |
99 unsigned vendorId = 0; | |
100 unsigned deviceId = 0; | |
101 unsigned processCrashCount = 0; | |
102 unsigned resetNotificationStrategy = 0; | |
103 bool sandboxed = false; | |
104 bool testFailContext = false; | |
105 bool amdSwitchable = false; | |
106 bool optimus = false; | |
107 WebString vendorInfo; | |
108 WebString rendererInfo; | |
109 WebString driverVersion; | |
110 WebString errorMessage; | |
111 }; | |
112 | |
113 class WebGraphicsContextLostCallback { | 75 class WebGraphicsContextLostCallback { |
114 public: | 76 public: |
115 virtual void onContextLost() = 0; | 77 virtual void onContextLost() = 0; |
116 | 78 |
117 protected: | 79 protected: |
118 virtual ~WebGraphicsContextLostCallback() { } | 80 virtual ~WebGraphicsContextLostCallback() { } |
119 }; | 81 }; |
120 | 82 |
121 class WebGraphicsErrorMessageCallback { | 83 class WebGraphicsErrorMessageCallback { |
122 public: | 84 public: |
123 virtual void onErrorMessage(const WebString&, WGC3Dint) = 0; | 85 virtual void onErrorMessage(const WebString&, int) = 0; |
124 | 86 |
125 protected: | 87 protected: |
126 virtual ~WebGraphicsErrorMessageCallback() { } | 88 virtual ~WebGraphicsErrorMessageCallback() { } |
127 }; | 89 }; |
128 | 90 |
129 // This destructor needs to be public so that using classes can destroy inst
ances if initialization fails. | 91 // This destructor needs to be public so that using classes can destroy inst
ances if initialization fails. |
130 virtual ~WebGraphicsContext3D() { } | 92 virtual ~WebGraphicsContext3D() { } |
131 | 93 |
132 virtual void setErrorMessageCallback(WebGraphicsErrorMessageCallback* callba
ck) { } | 94 virtual void setErrorMessageCallback(WebGraphicsErrorMessageCallback* callba
ck) { } |
133 }; | 95 }; |
134 | 96 |
135 } // namespace blink | 97 } // namespace blink |
136 | 98 |
137 #endif | 99 #endif |
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