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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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348 void GrSWMaskHelper::DrawToTargetWithPathMask(GrTexture* texture, | 348 void GrSWMaskHelper::DrawToTargetWithPathMask(GrTexture* texture, |
349 GrDrawTarget* target, | 349 GrDrawTarget* target, |
350 GrPipelineBuilder* pipelineBuilder
, | 350 GrPipelineBuilder* pipelineBuilder
, |
351 GrColor color, | 351 GrColor color, |
352 const SkMatrix& viewMatrix, | 352 const SkMatrix& viewMatrix, |
353 const SkIRect& rect) { | 353 const SkIRect& rect) { |
354 SkMatrix invert; | 354 SkMatrix invert; |
355 if (!viewMatrix.invert(&invert)) { | 355 if (!viewMatrix.invert(&invert)) { |
356 return; | 356 return; |
357 } | 357 } |
358 GrPipelineBuilder::AutoRestoreEffects are(pipelineBuilder); | 358 GrPipelineBuilder::AutoRestoreFragmentProcessors arfp(pipelineBuilder); |
359 | 359 |
360 SkRect dstRect = SkRect::MakeLTRB(SK_Scalar1 * rect.fLeft, | 360 SkRect dstRect = SkRect::MakeLTRB(SK_Scalar1 * rect.fLeft, |
361 SK_Scalar1 * rect.fTop, | 361 SK_Scalar1 * rect.fTop, |
362 SK_Scalar1 * rect.fRight, | 362 SK_Scalar1 * rect.fRight, |
363 SK_Scalar1 * rect.fBottom); | 363 SK_Scalar1 * rect.fBottom); |
364 | 364 |
365 // We use device coords to compute the texture coordinates. We take the devi
ce coords and apply | 365 // We use device coords to compute the texture coordinates. We take the devi
ce coords and apply |
366 // a translation so that the top-left of the device bounds maps to 0,0, and
then a scaling | 366 // a translation so that the top-left of the device bounds maps to 0,0, and
then a scaling |
367 // matrix to normalized coords. | 367 // matrix to normalized coords. |
368 SkMatrix maskMatrix; | 368 SkMatrix maskMatrix; |
369 maskMatrix.setIDiv(texture->width(), texture->height()); | 369 maskMatrix.setIDiv(texture->width(), texture->height()); |
370 maskMatrix.preTranslate(SkIntToScalar(-rect.fLeft), SkIntToScalar(-rect.fTop
)); | 370 maskMatrix.preTranslate(SkIntToScalar(-rect.fLeft), SkIntToScalar(-rect.fTop
)); |
371 | 371 |
372 pipelineBuilder->addCoverageProcessor( | 372 pipelineBuilder->addCoverageProcessor( |
373 GrSimpleTextureEffect::Create(texture, | 373 GrSimpleTextureEffect::Create(texture, |
374 maskMatrix, | 374 maskMatrix, |
375 GrTextureParams::kNone_Fi
lterMode, | 375 GrTextureParams::kNone_Fi
lterMode, |
376 kDevice_GrCoordSet))->unr
ef(); | 376 kDevice_GrCoordSet))->unr
ef(); |
377 | 377 |
378 target->drawRect(pipelineBuilder, color, SkMatrix::I(), dstRect, NULL, &inve
rt); | 378 target->drawRect(pipelineBuilder, color, SkMatrix::I(), dstRect, NULL, &inve
rt); |
379 } | 379 } |
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