The Tor Browser / file comparison
comparison: gfx/skia/trunk/src/gpu/GrTextureAccess.cpp
gfx/skia/trunk/src/gpu/GrTextureAccess.cpp
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:065a88096f8e |
|---|---|
| 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 #include "GrTextureAccess.h" | |
| 9 #include "GrColor.h" | |
| 10 #include "GrTexture.h" | |
| 11 | |
| 12 GrTextureAccess::GrTextureAccess() { | |
| 13 #ifdef SK_DEBUG | |
| 14 memcpy(fSwizzle, "void", 5); | |
| 15 fSwizzleMask = 0xbeeffeed; | |
| 16 #endif | |
| 17 } | |
| 18 | |
| 19 GrTextureAccess::GrTextureAccess(GrTexture* texture, const GrTextureParams& params) { | |
| 20 this->reset(texture, params); | |
| 21 } | |
| 22 | |
| 23 GrTextureAccess::GrTextureAccess(GrTexture* texture, | |
| 24 GrTextureParams::FilterMode filterMode, | |
| 25 SkShader::TileMode tileXAndY) { | |
| 26 this->reset(texture, filterMode, tileXAndY); | |
| 27 } | |
| 28 | |
| 29 GrTextureAccess::GrTextureAccess(GrTexture* texture, | |
| 30 const char* swizzle, | |
| 31 const GrTextureParams& params) { | |
| 32 this->reset(texture, swizzle, params); | |
| 33 } | |
| 34 | |
| 35 GrTextureAccess::GrTextureAccess(GrTexture* texture, | |
| 36 const char* swizzle, | |
| 37 GrTextureParams::FilterMode filterMode, | |
| 38 SkShader::TileMode tileXAndY) { | |
| 39 this->reset(texture, swizzle, filterMode, tileXAndY); | |
| 40 } | |
| 41 | |
| 42 void GrTextureAccess::reset(GrTexture* texture, | |
| 43 const char* swizzle, | |
| 44 const GrTextureParams& params) { | |
| 45 SkASSERT(NULL != texture); | |
| 46 SkASSERT(strlen(swizzle) >= 1 && strlen(swizzle) <= 4); | |
| 47 | |
| 48 fParams = params; | |
| 49 fTexture.reset(SkRef(texture)); | |
| 50 this->setSwizzle(swizzle); | |
| 51 } | |
| 52 | |
| 53 void GrTextureAccess::reset(GrTexture* texture, | |
| 54 const char* swizzle, | |
| 55 GrTextureParams::FilterMode filterMode, | |
| 56 SkShader::TileMode tileXAndY) { | |
| 57 SkASSERT(NULL != texture); | |
| 58 SkASSERT(strlen(swizzle) >= 1 && strlen(swizzle) <= 4); | |
| 59 | |
| 60 fParams.reset(tileXAndY, filterMode); | |
| 61 fTexture.reset(SkRef(texture)); | |
| 62 this->setSwizzle(swizzle); | |
| 63 } | |
| 64 | |
| 65 void GrTextureAccess::reset(GrTexture* texture, | |
| 66 const GrTextureParams& params) { | |
| 67 SkASSERT(NULL != texture); | |
| 68 fTexture.reset(SkRef(texture)); | |
| 69 fParams = params; | |
| 70 memcpy(fSwizzle, "rgba", 5); | |
| 71 fSwizzleMask = kRGBA_GrColorComponentFlags; | |
| 72 } | |
| 73 | |
| 74 void GrTextureAccess::reset(GrTexture* texture, | |
| 75 GrTextureParams::FilterMode filterMode, | |
| 76 SkShader::TileMode tileXAndY) { | |
| 77 SkASSERT(NULL != texture); | |
| 78 fTexture.reset(SkRef(texture)); | |
| 79 fParams.reset(tileXAndY, filterMode); | |
| 80 memcpy(fSwizzle, "rgba", 5); | |
| 81 fSwizzleMask = kRGBA_GrColorComponentFlags; | |
| 82 } | |
| 83 | |
| 84 void GrTextureAccess::setSwizzle(const char* swizzle) { | |
| 85 fSwizzleMask = 0; | |
| 86 memset(fSwizzle, '\0', 5); | |
| 87 for (int i = 0; i < 4 && '\0' != swizzle[i]; ++i) { | |
| 88 fSwizzle[i] = swizzle[i]; | |
| 89 switch (swizzle[i]) { | |
| 90 case 'r': | |
| 91 fSwizzleMask |= kR_GrColorComponentFlag; | |
| 92 break; | |
| 93 case 'g': | |
| 94 fSwizzleMask |= kG_GrColorComponentFlag; | |
| 95 break; | |
| 96 case 'b': | |
| 97 fSwizzleMask |= kB_GrColorComponentFlag; | |
| 98 break; | |
| 99 case 'a': | |
| 100 fSwizzleMask |= kA_GrColorComponentFlag; | |
| 101 break; | |
| 102 default: | |
| 103 GrCrash("Unexpected swizzle string character."); | |
| 104 break; | |
| 105 } | |
| 106 } | |
| 107 } |
