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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 "GrSWMaskHelper.h" | 8 #include "GrSWMaskHelper.h" |
9 | 9 |
10 #include "GrPipelineBuilder.h" | 10 #include "GrPipelineBuilder.h" |
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359 SK_Scalar1 * rect.fRight, | 359 SK_Scalar1 * rect.fRight, |
360 SK_Scalar1 * rect.fBottom); | 360 SK_Scalar1 * rect.fBottom); |
361 | 361 |
362 // We use device coords to compute the texture coordinates. We take the devi
ce coords and apply | 362 // We use device coords to compute the texture coordinates. We take the devi
ce coords and apply |
363 // a translation so that the top-left of the device bounds maps to 0,0, and
then a scaling | 363 // a translation so that the top-left of the device bounds maps to 0,0, and
then a scaling |
364 // matrix to normalized coords. | 364 // matrix to normalized coords. |
365 SkMatrix maskMatrix; | 365 SkMatrix maskMatrix; |
366 maskMatrix.setIDiv(texture->width(), texture->height()); | 366 maskMatrix.setIDiv(texture->width(), texture->height()); |
367 maskMatrix.preTranslate(SkIntToScalar(-rect.fLeft), SkIntToScalar(-rect.fTop
)); | 367 maskMatrix.preTranslate(SkIntToScalar(-rect.fLeft), SkIntToScalar(-rect.fTop
)); |
368 | 368 |
369 pipelineBuilder->addCoverageProcessor( | 369 pipelineBuilder->addCoverageFragmentProcessor( |
370 GrSimpleTextureEffect::Create(pipelineBuilder->getProce
ssorDataManager(), | 370 GrSimpleTextureEffect::Create(pipelineBuilder->getProce
ssorDataManager(), |
371 texture, | 371 texture, |
372 maskMatrix, | 372 maskMatrix, |
373 GrTextureParams::kNone_Fi
lterMode, | 373 GrTextureParams::kNone_Fi
lterMode, |
374 kDevice_GrCoordSet))->unr
ef(); | 374 kDevice_GrCoordSet))->unr
ef(); |
375 | 375 |
376 target->drawNonAARect(*pipelineBuilder, color, SkMatrix::I(), dstRect, inver
t); | 376 target->drawNonAARect(*pipelineBuilder, color, SkMatrix::I(), dstRect, inver
t); |
377 } | 377 } |
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