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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 "SkAlphaThresholdFilter.h" | 8 #include "SkAlphaThresholdFilter.h" |
9 #include "SkBitmap.h" | 9 #include "SkBitmap.h" |
10 #include "SkReadBuffer.h" | 10 #include "SkReadBuffer.h" |
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44 | 44 |
45 #if SK_SUPPORT_GPU | 45 #if SK_SUPPORT_GPU |
46 #include "GrContext.h" | 46 #include "GrContext.h" |
47 #include "GrCoordTransform.h" | 47 #include "GrCoordTransform.h" |
48 #include "GrFragmentProcessor.h" | 48 #include "GrFragmentProcessor.h" |
49 #include "GrInvariantOutput.h" | 49 #include "GrInvariantOutput.h" |
50 #include "gl/GrGLProcessor.h" | 50 #include "gl/GrGLProcessor.h" |
51 #include "gl/builders/GrGLProgramBuilder.h" | 51 #include "gl/builders/GrGLProgramBuilder.h" |
52 #include "GrTBackendProcessorFactory.h" | 52 #include "GrTBackendProcessorFactory.h" |
53 #include "GrTextureAccess.h" | 53 #include "GrTextureAccess.h" |
| 54 #include "effects/GrPorterDuffXferProcessor.h" |
54 | 55 |
55 #include "SkGr.h" | 56 #include "SkGr.h" |
56 | 57 |
57 class GrGLAlphaThresholdEffect; | 58 class GrGLAlphaThresholdEffect; |
58 | 59 |
59 class AlphaThresholdEffect : public GrFragmentProcessor { | 60 class AlphaThresholdEffect : public GrFragmentProcessor { |
60 | 61 |
61 public: | 62 public: |
62 static GrFragmentProcessor* Create(GrTexture* texture, | 63 static GrFragmentProcessor* Create(GrTexture* texture, |
63 GrTexture* maskTexture, | 64 GrTexture* maskTexture, |
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274 maskDesc.fHeight = texture->height(); | 275 maskDesc.fHeight = texture->height(); |
275 SkAutoTUnref<GrTexture> maskTexture( | 276 SkAutoTUnref<GrTexture> maskTexture( |
276 context->refScratchTexture(maskDesc, GrContext::kApprox_ScratchTexMa
tch)); | 277 context->refScratchTexture(maskDesc, GrContext::kApprox_ScratchTexMa
tch)); |
277 if (!maskTexture) { | 278 if (!maskTexture) { |
278 return false; | 279 return false; |
279 } | 280 } |
280 | 281 |
281 { | 282 { |
282 GrContext::AutoRenderTarget art(context, maskTexture->asRenderTarget
()); | 283 GrContext::AutoRenderTarget art(context, maskTexture->asRenderTarget
()); |
283 GrPaint grPaint; | 284 GrPaint grPaint; |
284 grPaint.setBlendFunc(kOne_GrBlendCoeff, kZero_GrBlendCoeff); | 285 GrXPFactory* xpFactory = GrPorterDuffXPFactory::Create(SkXfermode::k
Src_Mode); |
| 286 grPaint.setXPFactory(xpFactory)->unref(); |
285 SkRegion::Iterator iter(fRegion); | 287 SkRegion::Iterator iter(fRegion); |
286 context->clear(NULL, 0x0, true, maskTexture->asRenderTarget()); | 288 context->clear(NULL, 0x0, true, maskTexture->asRenderTarget()); |
287 | 289 |
288 SkMatrix old_matrix = context->getMatrix(); | 290 SkMatrix old_matrix = context->getMatrix(); |
289 context->setMatrix(in_matrix); | 291 context->setMatrix(in_matrix); |
290 | 292 |
291 while (!iter.done()) { | 293 while (!iter.done()) { |
292 SkRect rect = SkRect::Make(iter.rect()); | 294 SkRect rect = SkRect::Make(iter.rect()); |
293 context->drawRect(grPaint, rect); | 295 context->drawRect(grPaint, rect); |
294 iter.next(); | 296 iter.next(); |
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366 (U8CPU)(SkColorGetG(source) *
scale), | 368 (U8CPU)(SkColorGetG(source) *
scale), |
367 (U8CPU)(SkColorGetB(source) *
scale)); | 369 (U8CPU)(SkColorGetB(source) *
scale)); |
368 } | 370 } |
369 } | 371 } |
370 dptr[y * dst->width() + x] = output_color; | 372 dptr[y * dst->width() + x] = output_color; |
371 } | 373 } |
372 } | 374 } |
373 | 375 |
374 return true; | 376 return true; |
375 } | 377 } |
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