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

Issue 1428543003: Create GLSL base class for ProgramDataManager (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: add space Created 5 years, 1 month 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 "SkDevice.h" 9 #include "SkDevice.h"
10 #include "SkReadBuffer.h" 10 #include "SkReadBuffer.h"
11 #include "SkWriteBuffer.h" 11 #include "SkWriteBuffer.h"
12 #include "SkUnPreMultiply.h" 12 #include "SkUnPreMultiply.h"
13 #include "SkColorPriv.h" 13 #include "SkColorPriv.h"
14 #if SK_SUPPORT_GPU 14 #if SK_SUPPORT_GPU
15 #include "GrContext.h" 15 #include "GrContext.h"
16 #include "GrDrawContext.h" 16 #include "GrDrawContext.h"
17 #include "GrCoordTransform.h" 17 #include "GrCoordTransform.h"
18 #include "GrInvariantOutput.h" 18 #include "GrInvariantOutput.h"
19 #include "effects/GrTextureDomain.h" 19 #include "effects/GrTextureDomain.h"
20 #include "gl/GrGLFragmentProcessor.h" 20 #include "gl/GrGLFragmentProcessor.h"
21 #include "gl/builders/GrGLProgramBuilder.h" 21 #include "gl/builders/GrGLProgramBuilder.h"
22 #include "glsl/GrGLSLProgramDataManager.h"
22 #endif 23 #endif
23 24
24 namespace { 25 namespace {
25 26
26 #define kChannelSelectorKeyBits 3; // Max value is 4, so 3 bits are required at most 27 #define kChannelSelectorKeyBits 3; // Max value is 4, so 3 bits are required at most
27 28
28 template<SkDisplacementMapEffect::ChannelSelectorType type> 29 template<SkDisplacementMapEffect::ChannelSelectorType type>
29 uint32_t getValue(SkColor, const SkUnPreMultiply::Scale*) { 30 uint32_t getValue(SkColor, const SkUnPreMultiply::Scale*) {
30 SkDEBUGFAIL("Unknown channel selector"); 31 SkDEBUGFAIL("Unknown channel selector");
31 return 0; 32 return 0;
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307 GrGLDisplacementMapEffect(const GrProcessor&); 308 GrGLDisplacementMapEffect(const GrProcessor&);
308 virtual ~GrGLDisplacementMapEffect(); 309 virtual ~GrGLDisplacementMapEffect();
309 310
310 virtual void emitCode(EmitArgs&) override; 311 virtual void emitCode(EmitArgs&) override;
311 312
312 static inline void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessor KeyBuilder*); 313 static inline void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessor KeyBuilder*);
313 314
314 const GrTextureDomain::GLDomain& glDomain() const { return fGLDomain; } 315 const GrTextureDomain::GLDomain& glDomain() const { return fGLDomain; }
315 316
316 protected: 317 protected:
317 void onSetData(const GrGLProgramDataManager&, const GrProcessor&) override; 318 void onSetData(const GrGLSLProgramDataManager&, const GrProcessor&) override ;
318 319
319 private: 320 private:
320 SkDisplacementMapEffect::ChannelSelectorType fXChannelSelector; 321 SkDisplacementMapEffect::ChannelSelectorType fXChannelSelector;
321 SkDisplacementMapEffect::ChannelSelectorType fYChannelSelector; 322 SkDisplacementMapEffect::ChannelSelectorType fYChannelSelector;
322 GrGLProgramDataManager::UniformHandle fScaleUni; 323 GrGLSLProgramDataManager::UniformHandle fScaleUni;
323 GrTextureDomain::GLDomain fGLDomain; 324 GrTextureDomain::GLDomain fGLDomain;
324 325
325 typedef GrGLFragmentProcessor INHERITED; 326 typedef GrGLFragmentProcessor INHERITED;
326 }; 327 };
327 328
328 /////////////////////////////////////////////////////////////////////////////// 329 ///////////////////////////////////////////////////////////////////////////////
329 330
330 class GrDisplacementMapEffect : public GrFragmentProcessor { 331 class GrDisplacementMapEffect : public GrFragmentProcessor {
331 public: 332 public:
332 static GrFragmentProcessor* Create( 333 static GrFragmentProcessor* Create(
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603 default: 604 default:
604 SkDEBUGFAIL("Unknown Y channel selector"); 605 SkDEBUGFAIL("Unknown Y channel selector");
605 } 606 }
606 fsBuilder->codeAppend("-vec2(0.5));\t\t"); 607 fsBuilder->codeAppend("-vec2(0.5));\t\t");
607 608
608 fGLDomain.sampleTexture(fsBuilder, domain, args.fOutputColor, SkString(cCoor ds), 609 fGLDomain.sampleTexture(fsBuilder, domain, args.fOutputColor, SkString(cCoor ds),
609 args.fSamplers[1]); 610 args.fSamplers[1]);
610 fsBuilder->codeAppend(";\n"); 611 fsBuilder->codeAppend(";\n");
611 } 612 }
612 613
613 void GrGLDisplacementMapEffect::onSetData(const GrGLProgramDataManager& pdman, 614 void GrGLDisplacementMapEffect::onSetData(const GrGLSLProgramDataManager& pdman,
614 const GrProcessor& proc) { 615 const GrProcessor& proc) {
615 const GrDisplacementMapEffect& displacementMap = proc.cast<GrDisplacementMap Effect>(); 616 const GrDisplacementMapEffect& displacementMap = proc.cast<GrDisplacementMap Effect>();
616 GrTexture* colorTex = displacementMap.texture(1); 617 GrTexture* colorTex = displacementMap.texture(1);
617 SkScalar scaleX = displacementMap.scale().fX / colorTex->width(); 618 SkScalar scaleX = displacementMap.scale().fX / colorTex->width();
618 SkScalar scaleY = displacementMap.scale().fY / colorTex->height(); 619 SkScalar scaleY = displacementMap.scale().fY / colorTex->height();
619 pdman.set2f(fScaleUni, SkScalarToFloat(scaleX), 620 pdman.set2f(fScaleUni, SkScalarToFloat(scaleX),
620 colorTex->origin() == kTopLeft_GrSurfaceOrigin ? 621 colorTex->origin() == kTopLeft_GrSurfaceOrigin ?
621 SkScalarToFloat(scaleY) : SkScalarToFloat(-scaleY)); 622 SkScalarToFloat(scaleY) : SkScalarToFloat(-scaleY));
622 fGLDomain.setData(pdman, displacementMap.domain(), colorTex->origin()); 623 fGLDomain.setData(pdman, displacementMap.domain(), colorTex->origin());
623 } 624 }
624 625
625 void GrGLDisplacementMapEffect::GenKey(const GrProcessor& proc, 626 void GrGLDisplacementMapEffect::GenKey(const GrProcessor& proc,
626 const GrGLSLCaps&, GrProcessorKeyBuilder* b) { 627 const GrGLSLCaps&, GrProcessorKeyBuilder* b) {
627 const GrDisplacementMapEffect& displacementMap = proc.cast<GrDisplacementMap Effect>(); 628 const GrDisplacementMapEffect& displacementMap = proc.cast<GrDisplacementMap Effect>();
628 629
629 uint32_t xKey = displacementMap.xChannelSelector(); 630 uint32_t xKey = displacementMap.xChannelSelector();
630 uint32_t yKey = displacementMap.yChannelSelector() << kChannelSelectorKeyBit s; 631 uint32_t yKey = displacementMap.yChannelSelector() << kChannelSelectorKeyBit s;
631 632
632 b->add32(xKey | yKey); 633 b->add32(xKey | yKey);
633 } 634 }
634 #endif 635 #endif
635 636
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