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1 /* | 1 /* |
2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 | 8 |
9 #ifndef GrGLContext_DEFINED | 9 #ifndef GrGLContext_DEFINED |
10 #define GrGLContext_DEFINED | 10 #define GrGLContext_DEFINED |
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24 class GrGLContextInfo { | 24 class GrGLContextInfo { |
25 public: | 25 public: |
26 /** | 26 /** |
27 * Default constructor | 27 * Default constructor |
28 */ | 28 */ |
29 GrGLContextInfo() { | 29 GrGLContextInfo() { |
30 fGLCaps.reset(SkNEW(GrGLCaps)); | 30 fGLCaps.reset(SkNEW(GrGLCaps)); |
31 this->reset(); | 31 this->reset(); |
32 } | 32 } |
33 | 33 |
34 /** | 34 GrGLContextInfo(const GrGLContextInfo& that) { |
35 * Copies a GrGLContextInfo | 35 fGLCaps.reset(SkNEW(GrGLCaps)); |
36 */ | 36 *this = that; |
37 GrGLContextInfo& operator= (const GrGLContextInfo& ctxInfo); | 37 } |
| 38 |
| 39 GrGLContextInfo& operator= (const GrGLContextInfo&); |
38 | 40 |
39 /** | 41 /** |
40 * Initializes a GrGLContextInfo from a GrGLInterface and the currently | 42 * Initializes a GrGLContextInfo from a GrGLInterface and the currently |
41 * bound OpenGL context accessible by the GrGLInterface. | 43 * bound OpenGL context accessible by the GrGLInterface. |
42 */ | 44 */ |
43 bool initialize(const GrGLInterface* interface); | 45 bool initialize(const GrGLInterface* interface); |
44 bool isInitialized() const; | 46 bool isInitialized() const; |
45 | 47 |
46 GrGLStandard standard() const { return fStandard; } | 48 GrGLStandard standard() const { return fInterface->fStandard; } |
47 GrGLVersion version() const { return fGLVersion; } | 49 GrGLVersion version() const { return fGLVersion; } |
48 GrGLSLGeneration glslGeneration() const { return fGLSLGeneration; } | 50 GrGLSLGeneration glslGeneration() const { return fGLSLGeneration; } |
49 GrGLVendor vendor() const { return fVendor; } | 51 GrGLVendor vendor() const { return fVendor; } |
50 GrGLRenderer renderer() const { return fRenderer; } | 52 GrGLRenderer renderer() const { return fRenderer; } |
51 /** Is this a mesa-based driver. Does not mean it is the osmesa software ras
terizer. */ | 53 /** Is this a mesa-based driver. Does not mean it is the osmesa software ras
terizer. */ |
52 bool isMesa() const { return fIsMesa; } | 54 bool isMesa() const { return fIsMesa; } |
53 /** Are we running inside Chromium (using the command buffer)? We make some
different tradeoffs | 55 /** Are we running inside Chromium (using the command buffer)? We make some
different tradeoffs |
54 about what errors to check for because queries are synchronous. We shoul
d probably expose | 56 about what errors to check for because queries are synchronous. We shoul
d probably expose |
55 this as an option for clients other than Chromium. */ | 57 this as an option for clients other than Chromium. */ |
56 bool isChromium() const { return fIsChromium; } | 58 bool isChromium() const { return fIsChromium; } |
57 const GrGLCaps* caps() const { return fGLCaps.get(); } | 59 const GrGLCaps* caps() const { return fGLCaps.get(); } |
58 GrGLCaps* caps() { return fGLCaps; } | 60 GrGLCaps* caps() { return fGLCaps; } |
59 const GrGLExtensions& extensions() const { return fExtensions; } | 61 const GrGLExtensions& extensions() const { return fExtensions; } |
60 | 62 |
61 /** | 63 /** |
62 * Shortcut for extensions().has(ext); | 64 * Shortcut for extensions().has(ext) |
63 */ | 65 */ |
64 bool hasExtension(const char* ext) const { | 66 bool hasExtension(const char* ext) const { |
65 if (!this->isInitialized()) { | 67 if (!this->isInitialized()) { |
66 return false; | 68 return false; |
67 } | 69 } |
68 return fExtensions.has(ext); | 70 return fExtensions.has(ext); |
69 } | 71 } |
70 | 72 |
71 /** | 73 /** |
72 * Reset the information | 74 * Reset the information |
73 */ | 75 */ |
74 void reset(); | 76 void reset(); |
75 | 77 |
76 private: | 78 protected: |
77 | 79 SkAutoTUnref<const GrGLInterface> fInterface; |
78 GrGLStandard fStandard; | 80 GrGLVersion fGLVersion; |
79 GrGLVersion fGLVersion; | 81 GrGLSLGeneration fGLSLGeneration; |
80 GrGLSLGeneration fGLSLGeneration; | 82 GrGLVendor fVendor; |
81 GrGLVendor fVendor; | 83 GrGLRenderer fRenderer; |
82 GrGLRenderer fRenderer; | 84 GrGLExtensions fExtensions; |
83 GrGLExtensions fExtensions; | 85 bool fIsMesa; |
84 bool fIsMesa; | 86 bool fIsChromium; |
85 bool fIsChromium; | 87 SkAutoTUnref<GrGLCaps> fGLCaps; |
86 SkAutoTUnref<GrGLCaps> fGLCaps; | |
87 }; | 88 }; |
88 | 89 |
89 /** | 90 /** |
90 * Encapsulates the GrGLInterface used to make GL calls plus information | 91 * Extension of GrGLContextInfo that also provides access to GrGLInterface. |
91 * about the context (via GrGLContextInfo). | |
92 */ | 92 */ |
93 class GrGLContext { | 93 class GrGLContext : public GrGLContextInfo { |
94 public: | 94 public: |
95 /** | 95 /** |
96 * Default constructor | |
97 */ | |
98 GrGLContext() { this->reset(); } | |
99 | |
100 /** | |
101 * Creates a GrGLContext from a GrGLInterface and the currently | 96 * Creates a GrGLContext from a GrGLInterface and the currently |
102 * bound OpenGL context accessible by the GrGLInterface. | 97 * bound OpenGL context accessible by the GrGLInterface. |
103 */ | 98 */ |
104 explicit GrGLContext(const GrGLInterface* interface); | 99 explicit GrGLContext(const GrGLInterface* interface) { |
| 100 this->initialize(interface); |
| 101 } |
105 | 102 |
106 /** | 103 GrGLContext(const GrGLContext& that) : INHERITED(that) {} |
107 * Copies a GrGLContext | |
108 */ | |
109 GrGLContext(const GrGLContext& ctx); | |
110 | 104 |
111 ~GrGLContext() { SkSafeUnref(fInterface); } | 105 GrGLContext& operator= (const GrGLContext& that) { |
| 106 this->INHERITED::operator=(that); |
| 107 return *this; |
| 108 } |
112 | 109 |
113 /** | 110 const GrGLInterface* interface() const { return fInterface.get(); } |
114 * Copies a GrGLContext | |
115 */ | |
116 GrGLContext& operator= (const GrGLContext& ctx); | |
117 | |
118 /** | |
119 * Initializes a GrGLContext from a GrGLInterface and the currently | |
120 * bound OpenGL context accessible by the GrGLInterface. | |
121 */ | |
122 bool initialize(const GrGLInterface* interface); | |
123 bool isInitialized() const { return fInfo.isInitialized(); } | |
124 | |
125 const GrGLInterface* interface() const { return fInterface; } | |
126 const GrGLContextInfo& info() const { return fInfo; } | |
127 GrGLContextInfo& info() { return fInfo; } | |
128 | 111 |
129 private: | 112 private: |
130 void reset(); | 113 typedef GrGLContextInfo INHERITED; |
131 | |
132 const GrGLInterface* fInterface; | |
133 GrGLContextInfo fInfo; | |
134 }; | 114 }; |
135 | 115 |
136 #endif | 116 #endif |
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