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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 #include "GrTextureAccess.h" | 8 #include "GrTextureAccess.h" |
| 9 #include "GrColor.h" | 9 #include "GrColor.h" |
| 10 #include "GrTexture.h" | 10 #include "GrTexture.h" |
| 11 | 11 |
| 12 GrTextureAccess::GrTextureAccess() { | 12 GrTextureAccess::GrTextureAccess() { |
| 13 #ifdef SK_DEBUG | 13 #ifdef SK_DEBUG |
| 14 memcpy(fSwizzle, "void", 5); | 14 memcpy(fSwizzle, "void", 5); |
| 15 fSwizzleMask = 0xbeeffeed; | 15 fSwizzleMask = 0xbeeffeed; |
| 16 #endif | 16 #endif |
| 17 } | 17 } |
| 18 | 18 |
| 19 GrTextureAccess::GrTextureAccess(GrTexture* texture, const GrTextureParams& para
ms) { | 19 GrTextureAccess::GrTextureAccess(GrTexture* texture, const GrTextureParams& para
ms, GrRenderTarget* dst) { |
| 20 this->reset(texture, params); | 20 this->reset(texture, params, dst); |
| 21 } | 21 } |
| 22 | 22 |
| 23 GrTextureAccess::GrTextureAccess(GrTexture* texture, | 23 GrTextureAccess::GrTextureAccess(GrTexture* texture, |
| 24 GrTextureParams::FilterMode filterMode, | 24 GrTextureParams::FilterMode filterMode, |
| 25 SkShader::TileMode tileXAndY) { | 25 SkShader::TileMode tileXAndY, |
| 26 this->reset(texture, filterMode, tileXAndY); | 26 GrRenderTarget* dst) { |
| 27 this->reset(texture, filterMode, tileXAndY, dst); |
| 27 } | 28 } |
| 28 | 29 |
| 29 GrTextureAccess::GrTextureAccess(GrTexture* texture, | 30 GrTextureAccess::GrTextureAccess(GrTexture* texture, |
| 30 const char* swizzle, | 31 const char* swizzle, |
| 31 const GrTextureParams& params) { | 32 const GrTextureParams& params, |
| 32 this->reset(texture, swizzle, params); | 33 GrRenderTarget* dst) { |
| 34 this->reset(texture, swizzle, params, dst); |
| 33 } | 35 } |
| 34 | 36 |
| 35 GrTextureAccess::GrTextureAccess(GrTexture* texture, | 37 GrTextureAccess::GrTextureAccess(GrTexture* texture, |
| 36 const char* swizzle, | 38 const char* swizzle, |
| 37 GrTextureParams::FilterMode filterMode, | 39 GrTextureParams::FilterMode filterMode, |
| 38 SkShader::TileMode tileXAndY) { | 40 SkShader::TileMode tileXAndY, |
| 39 this->reset(texture, swizzle, filterMode, tileXAndY); | 41 GrRenderTarget* dst) { |
| 42 this->reset(texture, swizzle, filterMode, tileXAndY, dst); |
| 40 } | 43 } |
| 41 | 44 |
| 42 void GrTextureAccess::reset(GrTexture* texture, | 45 void GrTextureAccess::reset(GrTexture* texture, |
| 43 const char* swizzle, | 46 const char* swizzle, |
| 44 const GrTextureParams& params) { | 47 const GrTextureParams& params, |
| 48 GrRenderTarget* dst) { |
| 45 SkASSERT(texture); | 49 SkASSERT(texture); |
| 46 SkASSERT(strlen(swizzle) >= 1 && strlen(swizzle) <= 4); | 50 SkASSERT(strlen(swizzle) >= 1 && strlen(swizzle) <= 4); |
| 47 | 51 |
| 48 fParams = params; | 52 fParams = params; |
| 49 fTexture.set(SkRef(texture), kRead_GrIOType); | 53 fTexture.set(SkRef(texture), kRead_GrIOType, dst); |
| 50 this->setSwizzle(swizzle); | 54 this->setSwizzle(swizzle); |
| 51 } | 55 } |
| 52 | 56 |
| 53 void GrTextureAccess::reset(GrTexture* texture, | 57 void GrTextureAccess::reset(GrTexture* texture, |
| 54 const char* swizzle, | 58 const char* swizzle, |
| 55 GrTextureParams::FilterMode filterMode, | 59 GrTextureParams::FilterMode filterMode, |
| 56 SkShader::TileMode tileXAndY) { | 60 SkShader::TileMode tileXAndY, |
| 61 GrRenderTarget* dst) { |
| 57 SkASSERT(texture); | 62 SkASSERT(texture); |
| 58 SkASSERT(strlen(swizzle) >= 1 && strlen(swizzle) <= 4); | 63 SkASSERT(strlen(swizzle) >= 1 && strlen(swizzle) <= 4); |
| 59 | 64 |
| 60 fParams.reset(tileXAndY, filterMode); | 65 fParams.reset(tileXAndY, filterMode); |
| 61 fTexture.set(SkRef(texture), kRead_GrIOType); | 66 fTexture.set(SkRef(texture), kRead_GrIOType, dst); |
| 62 this->setSwizzle(swizzle); | 67 this->setSwizzle(swizzle); |
| 63 } | 68 } |
| 64 | 69 |
| 65 void GrTextureAccess::reset(GrTexture* texture, | 70 void GrTextureAccess::reset(GrTexture* texture, |
| 66 const GrTextureParams& params) { | 71 const GrTextureParams& params, |
| 72 GrRenderTarget* dst) { |
| 67 SkASSERT(texture); | 73 SkASSERT(texture); |
| 68 fTexture.set(SkRef(texture), kRead_GrIOType); | 74 fTexture.set(SkRef(texture), kRead_GrIOType, dst); |
| 69 fParams = params; | 75 fParams = params; |
| 70 memcpy(fSwizzle, "rgba", 5); | 76 memcpy(fSwizzle, "rgba", 5); |
| 71 fSwizzleMask = kRGBA_GrColorComponentFlags; | 77 fSwizzleMask = kRGBA_GrColorComponentFlags; |
| 72 } | 78 } |
| 73 | 79 |
| 74 void GrTextureAccess::reset(GrTexture* texture, | 80 void GrTextureAccess::reset(GrTexture* texture, |
| 75 GrTextureParams::FilterMode filterMode, | 81 GrTextureParams::FilterMode filterMode, |
| 76 SkShader::TileMode tileXAndY) { | 82 SkShader::TileMode tileXAndY, |
| 83 GrRenderTarget* dst) { |
| 77 SkASSERT(texture); | 84 SkASSERT(texture); |
| 78 fTexture.set(SkRef(texture), kRead_GrIOType); | 85 fTexture.set(SkRef(texture), kRead_GrIOType, dst); |
| 79 fParams.reset(tileXAndY, filterMode); | 86 fParams.reset(tileXAndY, filterMode); |
| 80 memcpy(fSwizzle, "rgba", 5); | 87 memcpy(fSwizzle, "rgba", 5); |
| 81 fSwizzleMask = kRGBA_GrColorComponentFlags; | 88 fSwizzleMask = kRGBA_GrColorComponentFlags; |
| 82 } | 89 } |
| 83 | 90 |
| 84 void GrTextureAccess::setSwizzle(const char* swizzle) { | 91 void GrTextureAccess::setSwizzle(const char* swizzle) { |
| 85 fSwizzleMask = 0; | 92 fSwizzleMask = 0; |
| 86 memset(fSwizzle, '\0', 5); | 93 memset(fSwizzle, '\0', 5); |
| 87 for (int i = 0; i < 4 && '\0' != swizzle[i]; ++i) { | 94 for (int i = 0; i < 4 && '\0' != swizzle[i]; ++i) { |
| 88 fSwizzle[i] = swizzle[i]; | 95 fSwizzle[i] = swizzle[i]; |
| 89 switch (swizzle[i]) { | 96 switch (swizzle[i]) { |
| 90 case 'r': | 97 case 'r': |
| 91 fSwizzleMask |= kR_GrColorComponentFlag; | 98 fSwizzleMask |= kR_GrColorComponentFlag; |
| 92 break; | 99 break; |
| 93 case 'g': | 100 case 'g': |
| 94 fSwizzleMask |= kG_GrColorComponentFlag; | 101 fSwizzleMask |= kG_GrColorComponentFlag; |
| 95 break; | 102 break; |
| 96 case 'b': | 103 case 'b': |
| 97 fSwizzleMask |= kB_GrColorComponentFlag; | 104 fSwizzleMask |= kB_GrColorComponentFlag; |
| 98 break; | 105 break; |
| 99 case 'a': | 106 case 'a': |
| 100 fSwizzleMask |= kA_GrColorComponentFlag; | 107 fSwizzleMask |= kA_GrColorComponentFlag; |
| 101 break; | 108 break; |
| 102 default: | 109 default: |
| 103 SkFAIL("Unexpected swizzle string character."); | 110 SkFAIL("Unexpected swizzle string character."); |
| 104 break; | 111 break; |
| 105 } | 112 } |
| 106 } | 113 } |
| 107 } | 114 } |
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