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| 1 /* | 1 /* |
| 2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 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 "GrDistanceFieldTextContext.h" | 8 #include "GrDistanceFieldTextContext.h" |
| 9 #include "GrAtlas.h" | 9 #include "GrAtlas.h" |
| 10 #include "GrDrawTarget.h" | 10 #include "GrDrawTarget.h" |
| (...skipping 151 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 162 GrTexture** gammaTexture) { | 162 GrTexture** gammaTexture) { |
| 163 if (NULL == *gammaTexture) { | 163 if (NULL == *gammaTexture) { |
| 164 int width, height; | 164 int width, height; |
| 165 size_t size; | 165 size_t size; |
| 166 | 166 |
| 167 #ifdef SK_GAMMA_CONTRAST | 167 #ifdef SK_GAMMA_CONTRAST |
| 168 SkScalar contrast = SK_GAMMA_CONTRAST; | 168 SkScalar contrast = SK_GAMMA_CONTRAST; |
| 169 #else | 169 #else |
| 170 SkScalar contrast = 0.5f; | 170 SkScalar contrast = 0.5f; |
| 171 #endif | 171 #endif |
| 172 SkScalar paintGamma = deviceProperties.getGamma(); | 172 SkScalar paintGamma = deviceProperties.gamma(); |
| 173 SkScalar deviceGamma = deviceProperties.getGamma(); | 173 SkScalar deviceGamma = deviceProperties.gamma(); |
| 174 | 174 |
| 175 size = SkScalerContext::GetGammaLUTSize(contrast, paintGamma, deviceGamm
a, | 175 size = SkScalerContext::GetGammaLUTSize(contrast, paintGamma, deviceGamm
a, |
| 176 &width, &height); | 176 &width, &height); |
| 177 | 177 |
| 178 SkAutoTArray<uint8_t> data((int)size); | 178 SkAutoTArray<uint8_t> data((int)size); |
| 179 SkScalerContext::GetGammaLUTData(contrast, paintGamma, deviceGamma, data
.get()); | 179 SkScalerContext::GetGammaLUTData(contrast, paintGamma, deviceGamma, data
.get()); |
| 180 | 180 |
| 181 // TODO: Update this to use the cache rather than directly creating a te
xture. | 181 // TODO: Update this to use the cache rather than directly creating a te
xture. |
| 182 GrTextureDesc desc; | 182 GrTextureDesc desc; |
| 183 desc.fFlags = kDynamicUpdate_GrTextureFlagBit; | 183 desc.fFlags = kDynamicUpdate_GrTextureFlagBit; |
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| 351 | 351 |
| 352 uint32_t textureUniqueID = fCurrTexture->getUniqueID(); | 352 uint32_t textureUniqueID = fCurrTexture->getUniqueID(); |
| 353 const SkMatrix& ctm = fContext->getMatrix(); | 353 const SkMatrix& ctm = fContext->getMatrix(); |
| 354 | 354 |
| 355 // set up any flags | 355 // set up any flags |
| 356 uint32_t flags = 0; | 356 uint32_t flags = 0; |
| 357 flags |= ctm.isSimilarity() ? kSimilarity_DistanceFieldEffectFlag : 0; | 357 flags |= ctm.isSimilarity() ? kSimilarity_DistanceFieldEffectFlag : 0; |
| 358 flags |= fUseLCDText ? kUseLCD_DistanceFieldEffectFlag : 0; | 358 flags |= fUseLCDText ? kUseLCD_DistanceFieldEffectFlag : 0; |
| 359 flags |= fUseLCDText && ctm.rectStaysRect() ? | 359 flags |= fUseLCDText && ctm.rectStaysRect() ? |
| 360 kRectToRect_DistanceFieldEffectFlag : 0; | 360 kRectToRect_DistanceFieldEffectFlag : 0; |
| 361 bool useBGR = SkPixelGeometryIsBGR(fDeviceProperties.fPixelGeometry); | 361 bool useBGR = SkPixelGeometryIsBGR(fDeviceProperties.pixelGeometry()); |
| 362 flags |= fUseLCDText && useBGR ? kBGR_DistanceFieldEffectFlag : 0; | 362 flags |= fUseLCDText && useBGR ? kBGR_DistanceFieldEffectFlag : 0; |
| 363 | 363 |
| 364 // see if we need to create a new effect | 364 // see if we need to create a new effect |
| 365 if (textureUniqueID != fEffectTextureUniqueID || | 365 if (textureUniqueID != fEffectTextureUniqueID || |
| 366 filteredColor != fEffectColor || | 366 filteredColor != fEffectColor || |
| 367 flags != fEffectFlags) { | 367 flags != fEffectFlags) { |
| 368 if (fUseLCDText) { | 368 if (fUseLCDText) { |
| 369 GrColor colorNoPreMul = skcolor_to_grcolor_nopremultiply(filteredCol
or); | 369 GrColor colorNoPreMul = skcolor_to_grcolor_nopremultiply(filteredCol
or); |
| 370 fCachedGeometryProcessor.reset(GrDistanceFieldLCDTextureEffect::Crea
te(fCurrTexture, | 370 fCachedGeometryProcessor.reset(GrDistanceFieldLCDTextureEffect::Crea
te(fCurrTexture, |
| 371
params, | 371
params, |
| 372
fGammaTexture, | 372
fGammaTexture, |
| 373
gammaParams, | 373
gammaParams, |
| 374
colorNoPreMul, | 374
colorNoPreMul, |
| 375
flags)); | 375
flags)); |
| 376 } else { | 376 } else { |
| 377 #ifdef SK_GAMMA_APPLY_TO_A8 | 377 #ifdef SK_GAMMA_APPLY_TO_A8 |
| 378 U8CPU lum = SkColorSpaceLuminance::computeLuminance(fDevicePropertie
s.getGamma(), | 378 U8CPU lum = SkColorSpaceLuminance::computeLuminance(fDevicePropertie
s.gamma(), |
| 379 filteredColor); | 379 filteredColor); |
| 380 fCachedGeometryProcessor.reset(GrDistanceFieldTextureEffect::Create(
fCurrTexture, | 380 fCachedGeometryProcessor.reset(GrDistanceFieldTextureEffect::Create(
fCurrTexture, |
| 381
params, | 381
params, |
| 382
fGammaTexture, | 382
fGammaTexture, |
| 383
gammaParams, | 383
gammaParams, |
| 384
lum/255.f, | 384
lum/255.f, |
| 385
flags)); | 385
flags)); |
| 386 #else | 386 #else |
| 387 fCachedGeometryProcessor.reset(GrDistanceFieldTextureEffect::Create(
fCurrTexture, | 387 fCachedGeometryProcessor.reset(GrDistanceFieldTextureEffect::Create(
fCurrTexture, |
| 388
params, flags)); | 388
params, flags)); |
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| 667 fVertexBounds.setLargestInverted(); | 667 fVertexBounds.setLargestInverted(); |
| 668 } | 668 } |
| 669 } | 669 } |
| 670 | 670 |
| 671 inline void GrDistanceFieldTextContext::finish() { | 671 inline void GrDistanceFieldTextContext::finish() { |
| 672 this->flush(); | 672 this->flush(); |
| 673 | 673 |
| 674 GrTextContext::finish(); | 674 GrTextContext::finish(); |
| 675 } | 675 } |
| 676 | 676 |
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