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| 1 /* | |
| 2 * Copyright 2012 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 #ifndef GrContextFactory_DEFINED | |
| 9 #define GrContextFactory_DEFINED | |
| 10 | |
| 11 #include "GrContext.h" | |
| 12 #include "GrContextOptions.h" | |
| 13 | |
| 14 #include "gl/SkGLContext.h" | |
| 15 #include "SkTArray.h" | |
| 16 | |
| 17 /** | |
| 18 * This is a simple class that is useful in test apps that use different | |
| 19 * GrContexts backed by different types of GL contexts. It manages creating the | |
| 20 * GL context and a GrContext that uses it. The GL/Gr contexts persist until the | |
| 21 * factory is destroyed (though the caller can always grab a ref on the returned | |
| 22 * Gr and GL contexts to make them outlive the factory). | |
| 23 */ | |
| 24 class GrContextFactory : SkNoncopyable { | |
| 25 public: | |
| 26 enum GLContextType { | |
| 27 kNative_GLContextType, //! OpenGL or OpenGL ES context. | |
| 28 kGL_GLContextType, //! OpenGL context. | |
| 29 kGLES_GLContextType, //! OpenGL ES context. | |
| 30 #if SK_ANGLE | |
| 31 #ifdef SK_BUILD_FOR_WIN | |
| 32 kANGLE_GLContextType, //! ANGLE on DirectX OpenGL ES context. | |
| 33 #endif | |
| 34 kANGLE_GL_GLContextType, //! ANGLE on OpenGL OpenGL ES context. | |
| 35 #endif | |
| 36 #if SK_COMMAND_BUFFER | |
| 37 kCommandBuffer_GLContextType, //! Chromium command buffer OpenGL ES cont
ext. | |
| 38 #endif | |
| 39 #if SK_MESA | |
| 40 kMESA_GLContextType, //! MESA OpenGL context | |
| 41 #endif | |
| 42 kNull_GLContextType, //! Non-rendering OpenGL mock context. | |
| 43 kDebug_GLContextType, //! Non-rendering, state verifying OpenGL context. | |
| 44 kLastGLContextType = kDebug_GLContextType | |
| 45 }; | |
| 46 | |
| 47 static const int kGLContextTypeCnt = kLastGLContextType + 1; | |
| 48 | |
| 49 /** | |
| 50 * Options for GL context creation. For historical and testing reasons the o
ptions will default | |
| 51 * to not using GL_NV_path_rendering extension even when the driver support
s it. | |
| 52 */ | |
| 53 enum GLContextOptions { | |
| 54 kNone_GLContextOptions = 0, | |
| 55 kEnableNVPR_GLContextOptions = 0x1, | |
| 56 kRequireSRGBSupport_GLContextOptions = 0x2, | |
| 57 }; | |
| 58 | |
| 59 static bool IsRenderingGLContext(GLContextType type) { | |
| 60 switch (type) { | |
| 61 case kNull_GLContextType: | |
| 62 case kDebug_GLContextType: | |
| 63 return false; | |
| 64 default: | |
| 65 return true; | |
| 66 } | |
| 67 } | |
| 68 | |
| 69 static const char* GLContextTypeName(GLContextType type) { | |
| 70 switch (type) { | |
| 71 case kNative_GLContextType: | |
| 72 return "native"; | |
| 73 case kGL_GLContextType: | |
| 74 return "gl"; | |
| 75 case kGLES_GLContextType: | |
| 76 return "gles"; | |
| 77 #if SK_ANGLE | |
| 78 #ifdef SK_BUILD_FOR_WIN | |
| 79 case kANGLE_GLContextType: | |
| 80 return "angle"; | |
| 81 #endif | |
| 82 case kANGLE_GL_GLContextType: | |
| 83 return "angle-gl"; | |
| 84 #endif | |
| 85 #if SK_COMMAND_BUFFER | |
| 86 case kCommandBuffer_GLContextType: | |
| 87 return "commandbuffer"; | |
| 88 #endif | |
| 89 #if SK_MESA | |
| 90 case kMESA_GLContextType: | |
| 91 return "mesa"; | |
| 92 #endif | |
| 93 case kNull_GLContextType: | |
| 94 return "null"; | |
| 95 case kDebug_GLContextType: | |
| 96 return "debug"; | |
| 97 default: | |
| 98 SkFAIL("Unknown GL Context type."); | |
| 99 } | |
| 100 } | |
| 101 | |
| 102 explicit GrContextFactory(const GrContextOptions& opts); | |
| 103 GrContextFactory(); | |
| 104 | |
| 105 ~GrContextFactory(); | |
| 106 | |
| 107 void destroyContexts(); | |
| 108 void abandonContexts(); | |
| 109 | |
| 110 struct ContextInfo { | |
| 111 ContextInfo() | |
| 112 : fGrContext(nullptr), fGLContext(nullptr) { } | |
| 113 ContextInfo(GrContext* grContext, SkGLContext* glContext) | |
| 114 : fGrContext(grContext), fGLContext(glContext) { } | |
| 115 GrContext* fGrContext; | |
| 116 SkGLContext* fGLContext; //! Valid until the factory destroys it via aba
ndonContexts() or | |
| 117 //! destroyContexts(). | |
| 118 }; | |
| 119 | |
| 120 /** | |
| 121 * Get a context initialized with a type of GL context. It also makes the GL
context current. | |
| 122 */ | |
| 123 ContextInfo getContextInfo(GLContextType type, | |
| 124 GLContextOptions options = kNone_GLContextOptions
); | |
| 125 /** | |
| 126 * Get a GrContext initialized with a type of GL context. It also makes the
GL context current. | |
| 127 */ | |
| 128 GrContext* get(GLContextType type, | |
| 129 GLContextOptions options = kNone_GLContextOptions) { | |
| 130 return this->getContextInfo(type, options).fGrContext; | |
| 131 } | |
| 132 const GrContextOptions& getGlobalOptions() const { return fGlobalOptions; } | |
| 133 | |
| 134 private: | |
| 135 struct Context { | |
| 136 GLContextType fType; | |
| 137 GLContextOptions fOptions; | |
| 138 SkGLContext* fGLContext; | |
| 139 GrContext* fGrContext; | |
| 140 }; | |
| 141 SkTArray<Context, true> fContexts; | |
| 142 const GrContextOptions fGlobalOptions; | |
| 143 }; | |
| 144 | |
| 145 #endif | |
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Chromium Code Reviews
Issue 1815823002:
Move SkGLContext and some GrGLInterface implementations to skgputest module (Closed)
Base URL: https://chromium.googlesource.com/skia.git@debugobject