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1 /* | 1 /* |
2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 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 #include "GrGLUtil.h" | 9 #include "GrGLUtil.h" |
10 #include "SkMatrix.h" | 10 #include "SkMatrix.h" |
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85 } | 85 } |
86 | 86 |
87 // check for ES2 | 87 // check for ES2 |
88 n = sscanf(versionString, "OpenGL ES %d.%d", &major, &minor); | 88 n = sscanf(versionString, "OpenGL ES %d.%d", &major, &minor); |
89 if (2 == n) { | 89 if (2 == n) { |
90 return kGLES_GrGLStandard; | 90 return kGLES_GrGLStandard; |
91 } | 91 } |
92 return kNone_GrGLStandard; | 92 return kNone_GrGLStandard; |
93 } | 93 } |
94 | 94 |
95 bool GrGLIsMesaFromVersionString(const char* versionString) { | 95 void GrGLGetDriverInfo(GrGLStandard standard, |
96 int major, minor, mesaMajor, mesaMinor; | 96 GrGLVendor vendor, |
| 97 const char* rendererString, |
| 98 const char* versionString, |
| 99 GrGLDriver* outDriver, |
| 100 GrGLDriverVersion* outVersion) { |
| 101 int major, minor, rev, driverMajor, driverMinor; |
97 | 102 |
98 GrGLStandard standard = GrGLGetStandardInUseFromString(versionString); | 103 *outDriver = kUnknown_GrGLDriver; |
| 104 *outVersion = GR_GL_DRIVER_UNKNOWN_VER; |
| 105 |
| 106 if (0 == strcmp(rendererString, "Chromium")) { |
| 107 *outDriver = kChromium_GrGLDriver; |
| 108 return; |
| 109 } |
99 | 110 |
100 if (standard == kGL_GrGLStandard) { | 111 if (standard == kGL_GrGLStandard) { |
101 int n = sscanf(versionString, "%d.%d Mesa %d.%d", &major, &minor, &mesaM
ajor, &mesaMinor); | 112 if (kNVIDIA_GrGLVendor == vendor) { |
102 return 4 == n; | 113 *outDriver = kNVIDIA_GrGLDriver; |
| 114 int n = sscanf(versionString, "%d.%d.%d NVIDIA %d.%d", |
| 115 &major, &minor, &rev, &driverMajor, &driverMinor); |
| 116 // Some older NVIDIA drivers don't report the driver version. |
| 117 if (5 == n) { |
| 118 *outVersion = GR_GL_DRIVER_VER(driverMajor, driverMinor); |
| 119 } |
| 120 return; |
| 121 } |
| 122 |
| 123 int n = sscanf(versionString, "%d.%d Mesa %d.%d", |
| 124 &major, &minor, &driverMajor, &driverMinor); |
| 125 if (4 == n) { |
| 126 *outDriver = kMesa_GrGLDriver; |
| 127 *outVersion = GR_GL_DRIVER_VER(driverMajor, driverMinor); |
| 128 return; |
| 129 } |
103 } | 130 } |
104 else { | 131 else { |
105 int n = sscanf(versionString, "OpenGL ES %d.%d Mesa %d.%d", &major, &min
or, &mesaMajor, &mesaMinor); | 132 if (kNVIDIA_GrGLVendor == vendor) { |
106 return 4 == n; | 133 *outDriver = kNVIDIA_GrGLDriver; |
| 134 int n = sscanf(versionString, "OpenGL ES %d.%d NVIDIA %d.%d", |
| 135 &major, &minor, &driverMajor, &driverMinor); |
| 136 // Some older NVIDIA drivers don't report the driver version. |
| 137 if (4 == n) { |
| 138 *outVersion = GR_GL_DRIVER_VER(driverMajor, driverMinor); |
| 139 } |
| 140 return; |
| 141 } |
| 142 |
| 143 int n = sscanf(versionString, "OpenGL ES %d.%d Mesa %d.%d", |
| 144 &major, &minor, &driverMajor, &driverMinor); |
| 145 if (4 == n) { |
| 146 *outDriver = kMesa_GrGLDriver; |
| 147 *outVersion = GR_GL_DRIVER_VER(driverMajor, driverMinor); |
| 148 return; |
| 149 } |
107 } | 150 } |
108 return false; | |
109 } | |
110 | |
111 bool GrGLIsChromiumFromRendererString(const char* rendererString) { | |
112 return 0 == strcmp(rendererString, "Chromium"); | |
113 } | 151 } |
114 | 152 |
115 GrGLVersion GrGLGetVersionFromString(const char* versionString) { | 153 GrGLVersion GrGLGetVersionFromString(const char* versionString) { |
116 if (NULL == versionString) { | 154 if (NULL == versionString) { |
117 SkDebugf("NULL GL version string."); | 155 SkDebugf("NULL GL version string."); |
118 return GR_GL_INVALID_VER; | 156 return GR_GL_INVALID_VER; |
119 } | 157 } |
120 | 158 |
121 int major, minor; | 159 int major, minor; |
122 | 160 |
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314 GR_STATIC_ASSERT(2 == kGreater_StencilFunc); | 352 GR_STATIC_ASSERT(2 == kGreater_StencilFunc); |
315 GR_STATIC_ASSERT(3 == kGEqual_StencilFunc); | 353 GR_STATIC_ASSERT(3 == kGEqual_StencilFunc); |
316 GR_STATIC_ASSERT(4 == kLess_StencilFunc); | 354 GR_STATIC_ASSERT(4 == kLess_StencilFunc); |
317 GR_STATIC_ASSERT(5 == kLEqual_StencilFunc); | 355 GR_STATIC_ASSERT(5 == kLEqual_StencilFunc); |
318 GR_STATIC_ASSERT(6 == kEqual_StencilFunc); | 356 GR_STATIC_ASSERT(6 == kEqual_StencilFunc); |
319 GR_STATIC_ASSERT(7 == kNotEqual_StencilFunc); | 357 GR_STATIC_ASSERT(7 == kNotEqual_StencilFunc); |
320 SkASSERT((unsigned) basicFunc < kBasicStencilFuncCount); | 358 SkASSERT((unsigned) basicFunc < kBasicStencilFuncCount); |
321 | 359 |
322 return gTable[basicFunc]; | 360 return gTable[basicFunc]; |
323 } | 361 } |
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