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Side by Side Diff: src/effects/SkDisplacementMapEffect.cpp

Issue 473283002: Check all scratch texture allocations for image filters. (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Created 6 years, 4 months ago
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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 "SkDisplacementMapEffect.h" 8 #include "SkDisplacementMapEffect.h"
9 #include "SkReadBuffer.h" 9 #include "SkReadBuffer.h"
10 #include "SkWriteBuffer.h" 10 #include "SkWriteBuffer.h"
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382 GrTexture* displacement = displacementBM.getTexture(); 382 GrTexture* displacement = displacementBM.getTexture();
383 GrContext* context = color->getContext(); 383 GrContext* context = color->getContext();
384 384
385 GrTextureDesc desc; 385 GrTextureDesc desc;
386 desc.fFlags = kRenderTarget_GrTextureFlagBit | kNoStencil_GrTextureFlagBit; 386 desc.fFlags = kRenderTarget_GrTextureFlagBit | kNoStencil_GrTextureFlagBit;
387 desc.fWidth = bounds.width(); 387 desc.fWidth = bounds.width();
388 desc.fHeight = bounds.height(); 388 desc.fHeight = bounds.height();
389 desc.fConfig = kSkia8888_GrPixelConfig; 389 desc.fConfig = kSkia8888_GrPixelConfig;
390 390
391 GrAutoScratchTexture ast(context, desc); 391 GrAutoScratchTexture ast(context, desc);
392 if (NULL == ast.texture()) {
393 return false;
394 }
392 SkAutoTUnref<GrTexture> dst(ast.detach()); 395 SkAutoTUnref<GrTexture> dst(ast.detach());
393 396
394 GrContext::AutoRenderTarget art(context, dst->asRenderTarget()); 397 GrContext::AutoRenderTarget art(context, dst->asRenderTarget());
395 398
396 SkVector scale = SkVector::Make(fScale, fScale); 399 SkVector scale = SkVector::Make(fScale, fScale);
397 ctx.ctm().mapVectors(&scale, 1); 400 ctx.ctm().mapVectors(&scale, 1);
398 401
399 GrPaint paint; 402 GrPaint paint;
400 SkMatrix offsetMatrix = GrEffect::MakeDivByTextureWHMatrix(displacement); 403 SkMatrix offsetMatrix = GrEffect::MakeDivByTextureWHMatrix(displacement);
401 offsetMatrix.preTranslate(SkIntToScalar(colorOffset.fX - displacementOffset. fX), 404 offsetMatrix.preTranslate(SkIntToScalar(colorOffset.fX - displacementOffset. fX),
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604 const GrGLCaps&, GrEffectKeyBuilder* b) { 607 const GrGLCaps&, GrEffectKeyBuilder* b) {
605 const GrDisplacementMapEffect& displacementMap = 608 const GrDisplacementMapEffect& displacementMap =
606 drawEffect.castEffect<GrDisplacementMapEffect>(); 609 drawEffect.castEffect<GrDisplacementMapEffect>();
607 610
608 uint32_t xKey = displacementMap.xChannelSelector(); 611 uint32_t xKey = displacementMap.xChannelSelector();
609 uint32_t yKey = displacementMap.yChannelSelector() << kChannelSelectorKeyBit s; 612 uint32_t yKey = displacementMap.yChannelSelector() << kChannelSelectorKeyBit s;
610 613
611 b->add32(xKey | yKey); 614 b->add32(xKey | yKey);
612 } 615 }
613 #endif 616 #endif
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