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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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346 void GrSWMaskHelper::DrawToTargetWithPathMask(GrTexture* texture, | 346 void GrSWMaskHelper::DrawToTargetWithPathMask(GrTexture* texture, |
347 GrDrawTarget* target, | 347 GrDrawTarget* target, |
348 GrPipelineBuilder* pipelineBuilder
, | 348 GrPipelineBuilder* pipelineBuilder
, |
349 GrColor color, | 349 GrColor color, |
350 const SkMatrix& viewMatrix, | 350 const SkMatrix& viewMatrix, |
351 const SkIRect& rect) { | 351 const SkIRect& rect) { |
352 SkMatrix invert; | 352 SkMatrix invert; |
353 if (!viewMatrix.invert(&invert)) { | 353 if (!viewMatrix.invert(&invert)) { |
354 return; | 354 return; |
355 } | 355 } |
356 GrPipelineBuilder::AutoRestoreFragmentProcessors arfp(pipelineBuilder); | 356 GrPipelineBuilder::AutoRestoreFragmentProcessorState arfps(*pipelineBuilder)
; |
357 | 357 |
358 SkRect dstRect = SkRect::MakeLTRB(SK_Scalar1 * rect.fLeft, | 358 SkRect dstRect = SkRect::MakeLTRB(SK_Scalar1 * rect.fLeft, |
359 SK_Scalar1 * rect.fTop, | 359 SK_Scalar1 * rect.fTop, |
360 SK_Scalar1 * rect.fRight, | 360 SK_Scalar1 * rect.fRight, |
361 SK_Scalar1 * rect.fBottom); | 361 SK_Scalar1 * rect.fBottom); |
362 | 362 |
363 // We use device coords to compute the texture coordinates. We take the devi
ce coords and apply | 363 // We use device coords to compute the texture coordinates. We take the devi
ce coords and apply |
364 // a translation so that the top-left of the device bounds maps to 0,0, and
then a scaling | 364 // a translation so that the top-left of the device bounds maps to 0,0, and
then a scaling |
365 // matrix to normalized coords. | 365 // matrix to normalized coords. |
366 SkMatrix maskMatrix; | 366 SkMatrix maskMatrix; |
367 maskMatrix.setIDiv(texture->width(), texture->height()); | 367 maskMatrix.setIDiv(texture->width(), texture->height()); |
368 maskMatrix.preTranslate(SkIntToScalar(-rect.fLeft), SkIntToScalar(-rect.fTop
)); | 368 maskMatrix.preTranslate(SkIntToScalar(-rect.fLeft), SkIntToScalar(-rect.fTop
)); |
369 | 369 |
370 pipelineBuilder->addCoverageProcessor( | 370 pipelineBuilder->addCoverageProcessor( |
371 GrSimpleTextureEffect::Create(pipelineBuilder->getProce
ssorDataManager(), | 371 GrSimpleTextureEffect::Create(pipelineBuilder->getProce
ssorDataManager(), |
372 texture, | 372 texture, |
373 maskMatrix, | 373 maskMatrix, |
374 GrTextureParams::kNone_Fi
lterMode, | 374 GrTextureParams::kNone_Fi
lterMode, |
375 kDevice_GrCoordSet))->unr
ef(); | 375 kDevice_GrCoordSet))->unr
ef(); |
376 | 376 |
377 target->drawBWRect(*pipelineBuilder, color, SkMatrix::I(), dstRect, NULL, &i
nvert); | 377 target->drawBWRect(*pipelineBuilder, color, SkMatrix::I(), dstRect, NULL, &i
nvert); |
378 } | 378 } |
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