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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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264 fMapBufferType = kChromium_MapBufferType; | 264 fMapBufferType = kChromium_MapBufferType; |
265 } else if (version >= GR_GL_VER(3, 0) || ctxInfo.hasExtension("GL_EXT_ma
p_buffer_range")) { | 265 } else if (version >= GR_GL_VER(3, 0) || ctxInfo.hasExtension("GL_EXT_ma
p_buffer_range")) { |
266 fMapBufferFlags = kCanMap_MapFlag | kSubset_MapFlag; | 266 fMapBufferFlags = kCanMap_MapFlag | kSubset_MapFlag; |
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 |
| 275 // threshold to the maximum unless the client gives us a hint that map memor
y is cheap. |
| 276 if (fGeometryBufferMapThreshold < 0) { |
| 277 fGeometryBufferMapThreshold = ctxInfo.isChromium() ? 0 : SK_MaxS32; |
| 278 } |
| 279 |
274 if (kGL_GrGLStandard == standard) { | 280 if (kGL_GrGLStandard == standard) { |
275 SkASSERT(ctxInfo.version() >= GR_GL_VER(2,0) || | 281 SkASSERT(ctxInfo.version() >= GR_GL_VER(2,0) || |
276 ctxInfo.hasExtension("GL_ARB_texture_non_power_of_two")); | 282 ctxInfo.hasExtension("GL_ARB_texture_non_power_of_two")); |
277 fNPOTTextureTileSupport = true; | 283 fNPOTTextureTileSupport = true; |
278 fMipMapSupport = true; | 284 fMipMapSupport = true; |
279 } else { | 285 } else { |
280 // 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 |
281 // ES3 has no limitations. | 287 // ES3 has no limitations. |
282 fNPOTTextureTileSupport = ctxInfo.version() >= GR_GL_VER(3,0) || | 288 fNPOTTextureTileSupport = ctxInfo.version() >= GR_GL_VER(3,0) || |
283 ctxInfo.hasExtension("GL_OES_texture_npot"); | 289 ctxInfo.hasExtension("GL_OES_texture_npot"); |
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1109 if (fGeometryShaderSupport) { | 1115 if (fGeometryShaderSupport) { |
1110 for (int p = 0; p < kGrSLPrecisionCount; ++p) { | 1116 for (int p = 0; p < kGrSLPrecisionCount; ++p) { |
1111 fFloatPrecisions[kGeometry_GrShaderType][p] = fFloatPrecisions[kVert
ex_GrShaderType][p]; | 1117 fFloatPrecisions[kGeometry_GrShaderType][p] = fFloatPrecisions[kVert
ex_GrShaderType][p]; |
1112 } | 1118 } |
1113 } | 1119 } |
1114 } | 1120 } |
1115 | 1121 |
1116 | 1122 |
1117 | 1123 |
1118 | 1124 |
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