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

Issue 759713002: Make all blending up to GrOptDrawState be handled by the xp/xp factory. (Closed) Base URL: https://skia.googlesource.com/skia.git@xferFactorySolo
Patch Set: Clean up Created 6 years 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 "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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