The Tor Browser / file comparison
comparison: gfx/skia/trunk/src/gpu/gl/GrGLContext.h
gfx/skia/trunk/src/gpu/gl/GrGLContext.h
- branch
- TOR_BUG_3246
- changeset 5
- 4ab42b5ab56c
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| -1:000000000000 | 0:cedface3c672 |
|---|---|
| 1 /* | |
| 2 * Copyright 2013 Google Inc. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license that can be | |
| 5 * found in the LICENSE file. | |
| 6 */ | |
| 7 | |
| 8 | |
| 9 #ifndef GrGLContext_DEFINED | |
| 10 #define GrGLContext_DEFINED | |
| 11 | |
| 12 #include "gl/GrGLExtensions.h" | |
| 13 #include "gl/GrGLInterface.h" | |
| 14 #include "GrGLCaps.h" | |
| 15 #include "GrGLSL.h" | |
| 16 #include "GrGLUtil.h" | |
| 17 | |
| 18 #include "SkString.h" | |
| 19 | |
| 20 /** | |
| 21 * Encapsulates information about an OpenGL context including the OpenGL | |
| 22 * version, the GrGLStandard type of the context, and GLSL version. | |
| 23 */ | |
| 24 class GrGLContextInfo { | |
| 25 public: | |
| 26 /** | |
| 27 * Default constructor | |
| 28 */ | |
| 29 GrGLContextInfo() { | |
| 30 fGLCaps.reset(SkNEW(GrGLCaps)); | |
| 31 this->reset(); | |
| 32 } | |
| 33 | |
| 34 GrGLContextInfo(const GrGLContextInfo& that) { | |
| 35 fGLCaps.reset(SkNEW(GrGLCaps)); | |
| 36 *this = that; | |
| 37 } | |
| 38 | |
| 39 GrGLContextInfo& operator= (const GrGLContextInfo&); | |
| 40 | |
| 41 /** | |
| 42 * Initializes a GrGLContextInfo from a GrGLInterface and the currently | |
| 43 * bound OpenGL context accessible by the GrGLInterface. | |
| 44 */ | |
| 45 bool initialize(const GrGLInterface* interface); | |
| 46 bool isInitialized() const; | |
| 47 | |
| 48 GrGLStandard standard() const { return fInterface->fStandard; } | |
| 49 GrGLVersion version() const { return fGLVersion; } | |
| 50 GrGLSLGeneration glslGeneration() const { return fGLSLGeneration; } | |
| 51 GrGLVendor vendor() const { return fVendor; } | |
| 52 GrGLRenderer renderer() const { return fRenderer; } | |
| 53 /** Is this a mesa-based driver. Does not mean it is the osmesa software rasterizer. */ | |
| 54 bool isMesa() const { return fIsMesa; } | |
| 55 /** Are we running inside Chromium (using the command buffer)? We make some different tradeoffs | |
| 56 about what errors to check for because queries are synchronous. We should probably expose | |
| 57 this as an option for clients other than Chromium. */ | |
| 58 bool isChromium() const { return fIsChromium; } | |
| 59 const GrGLCaps* caps() const { return fGLCaps.get(); } | |
| 60 GrGLCaps* caps() { return fGLCaps; } | |
| 61 bool hasExtension(const char* ext) const { | |
| 62 if (!this->isInitialized()) { | |
| 63 return false; | |
| 64 } | |
| 65 return fInterface->hasExtension(ext); | |
| 66 } | |
| 67 | |
| 68 /** | |
| 69 * Reset the information | |
| 70 */ | |
| 71 void reset(); | |
| 72 | |
| 73 protected: | |
| 74 SkAutoTUnref<const GrGLInterface> fInterface; | |
| 75 GrGLVersion fGLVersion; | |
| 76 GrGLSLGeneration fGLSLGeneration; | |
| 77 GrGLVendor fVendor; | |
| 78 GrGLRenderer fRenderer; | |
| 79 bool fIsMesa; | |
| 80 bool fIsChromium; | |
| 81 SkAutoTUnref<GrGLCaps> fGLCaps; | |
| 82 }; | |
| 83 | |
| 84 /** | |
| 85 * Extension of GrGLContextInfo that also provides access to GrGLInterface. | |
| 86 */ | |
| 87 class GrGLContext : public GrGLContextInfo { | |
| 88 public: | |
| 89 /** | |
| 90 * Creates a GrGLContext from a GrGLInterface and the currently | |
| 91 * bound OpenGL context accessible by the GrGLInterface. | |
| 92 */ | |
| 93 explicit GrGLContext(const GrGLInterface* interface) { | |
| 94 this->initialize(interface); | |
| 95 } | |
| 96 | |
| 97 GrGLContext(const GrGLContext& that) : INHERITED(that) {} | |
| 98 | |
| 99 GrGLContext& operator= (const GrGLContext& that) { | |
| 100 this->INHERITED::operator=(that); | |
| 101 return *this; | |
| 102 } | |
| 103 | |
| 104 const GrGLInterface* interface() const { return fInterface.get(); } | |
| 105 | |
| 106 private: | |
| 107 typedef GrGLContextInfo INHERITED; | |
| 108 }; | |
| 109 | |
| 110 #endif |
