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1 /* | 1 /* |
2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 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 "GrGLCaps.h" | 9 #include "GrGLCaps.h" |
10 | 10 |
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128 if (kGL_GrGLStandard == standard) { | 128 if (kGL_GrGLStandard == standard) { |
129 fTextureBarrierSupport = version >= GR_GL_VER(4,5) || | 129 fTextureBarrierSupport = version >= GR_GL_VER(4,5) || |
130 ctxInfo.hasExtension("GL_ARB_texture_barrier")
|| | 130 ctxInfo.hasExtension("GL_ARB_texture_barrier")
|| |
131 ctxInfo.hasExtension("GL_NV_texture_barrier"); | 131 ctxInfo.hasExtension("GL_NV_texture_barrier"); |
132 } else { | 132 } else { |
133 fTextureBarrierSupport = ctxInfo.hasExtension("GL_NV_texture_barrier"); | 133 fTextureBarrierSupport = ctxInfo.hasExtension("GL_NV_texture_barrier"); |
134 } | 134 } |
135 | 135 |
136 // ARB_texture_rg is part of OpenGL 3.0, but mesa doesn't support GL_RED | 136 // ARB_texture_rg is part of OpenGL 3.0, but mesa doesn't support GL_RED |
137 // and GL_RG on FBO textures. | 137 // and GL_RG on FBO textures. |
138 if (!ctxInfo.isMesa()) { | 138 if (kMesa_GrGLDriver != ctxInfo.driver()) { |
139 if (kGL_GrGLStandard == standard) { | 139 if (kGL_GrGLStandard == standard) { |
140 fTextureRedSupport = version >= GR_GL_VER(3,0) || | 140 fTextureRedSupport = version >= GR_GL_VER(3,0) || |
141 ctxInfo.hasExtension("GL_ARB_texture_rg"); | 141 ctxInfo.hasExtension("GL_ARB_texture_rg"); |
142 } else { | 142 } else { |
143 fTextureRedSupport = version >= GR_GL_VER(3,0) || | 143 fTextureRedSupport = version >= GR_GL_VER(3,0) || |
144 ctxInfo.hasExtension("GL_EXT_texture_rg"); | 144 ctxInfo.hasExtension("GL_EXT_texture_rg"); |
145 } | 145 } |
146 } | 146 } |
147 fImagingSupport = kGL_GrGLStandard == standard && | 147 fImagingSupport = kGL_GrGLStandard == standard && |
148 ctxInfo.hasExtension("GL_ARB_imaging"); | 148 ctxInfo.hasExtension("GL_ARB_imaging"); |
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267 fMapBufferType = kMapBufferRange_MapBufferType; | 267 fMapBufferType = kMapBufferRange_MapBufferType; |
268 } else if (ctxInfo.hasExtension("GL_OES_mapbuffer")) { | 268 } else if (ctxInfo.hasExtension("GL_OES_mapbuffer")) { |
269 fMapBufferFlags = kCanMap_MapFlag; | 269 fMapBufferFlags = kCanMap_MapFlag; |
270 fMapBufferType = kMapBuffer_MapBufferType; | 270 fMapBufferType = kMapBuffer_MapBufferType; |
271 } | 271 } |
272 } | 272 } |
273 | 273 |
274 // On many GPUs, map memory is very expensive, so we effectively disable it
here by setting the | 274 // On many GPUs, map memory is very expensive, so we effectively disable it
here by setting the |
275 // threshold to the maximum unless the client gives us a hint that map memor
y is cheap. | 275 // threshold to the maximum unless the client gives us a hint that map memor
y is cheap. |
276 if (fGeometryBufferMapThreshold < 0) { | 276 if (fGeometryBufferMapThreshold < 0) { |
277 fGeometryBufferMapThreshold = ctxInfo.isChromium() ? 0 : SK_MaxS32; | 277 fGeometryBufferMapThreshold = kChromium_GrGLDriver == ctxInfo.driver() ?
0 : SK_MaxS32; |
278 } | 278 } |
279 | 279 |
280 if (kGL_GrGLStandard == standard) { | 280 if (kGL_GrGLStandard == standard) { |
281 SkASSERT(ctxInfo.version() >= GR_GL_VER(2,0) || | 281 SkASSERT(ctxInfo.version() >= GR_GL_VER(2,0) || |
282 ctxInfo.hasExtension("GL_ARB_texture_non_power_of_two")); | 282 ctxInfo.hasExtension("GL_ARB_texture_non_power_of_two")); |
283 fNPOTTextureTileSupport = true; | 283 fNPOTTextureTileSupport = true; |
284 fMipMapSupport = true; | 284 fMipMapSupport = true; |
285 } else { | 285 } else { |
286 // Unextended ES2 supports NPOT textures with clamp_to_edge and non-mip
filters only | 286 // Unextended ES2 supports NPOT textures with clamp_to_edge and non-mip
filters only |
287 // ES3 has no limitations. | 287 // ES3 has no limitations. |
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1121 if (fGeometryShaderSupport) { | 1121 if (fGeometryShaderSupport) { |
1122 for (int p = 0; p < kGrSLPrecisionCount; ++p) { | 1122 for (int p = 0; p < kGrSLPrecisionCount; ++p) { |
1123 fFloatPrecisions[kGeometry_GrShaderType][p] = fFloatPrecisions[kVert
ex_GrShaderType][p]; | 1123 fFloatPrecisions[kGeometry_GrShaderType][p] = fFloatPrecisions[kVert
ex_GrShaderType][p]; |
1124 } | 1124 } |
1125 } | 1125 } |
1126 } | 1126 } |
1127 | 1127 |
1128 | 1128 |
1129 | 1129 |
1130 | 1130 |
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