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Side by Side Diff: src/gpu/batches/GrAAConvexPathRenderer.cpp

Issue 1438003003: Move all ShaderBuilder files to GLSL (Closed) Base URL: https://skia.googlesource.com/skia.git@glslProgBuild
Patch Set: nits Created 5 years, 1 month ago
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1 1
2 /* 2 /*
3 * Copyright 2012 Google Inc. 3 * Copyright 2012 Google Inc.
4 * 4 *
5 * Use of this source code is governed by a BSD-style license that can be 5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file. 6 * found in the LICENSE file.
7 */ 7 */
8 8
9 #include "GrAAConvexPathRenderer.h" 9 #include "GrAAConvexPathRenderer.h"
10 10
11 #include "GrAAConvexTessellator.h" 11 #include "GrAAConvexTessellator.h"
12 #include "GrBatchFlushState.h" 12 #include "GrBatchFlushState.h"
13 #include "GrBatchTest.h" 13 #include "GrBatchTest.h"
14 #include "GrCaps.h" 14 #include "GrCaps.h"
15 #include "GrContext.h" 15 #include "GrContext.h"
16 #include "GrDefaultGeoProcFactory.h" 16 #include "GrDefaultGeoProcFactory.h"
17 #include "GrGeometryProcessor.h" 17 #include "GrGeometryProcessor.h"
18 #include "GrInvariantOutput.h" 18 #include "GrInvariantOutput.h"
19 #include "GrPathUtils.h" 19 #include "GrPathUtils.h"
20 #include "GrProcessor.h" 20 #include "GrProcessor.h"
21 #include "GrPipelineBuilder.h" 21 #include "GrPipelineBuilder.h"
22 #include "GrStrokeInfo.h" 22 #include "GrStrokeInfo.h"
23 #include "SkGeometry.h" 23 #include "SkGeometry.h"
24 #include "SkPathPriv.h" 24 #include "SkPathPriv.h"
25 #include "SkString.h" 25 #include "SkString.h"
26 #include "SkTraceEvent.h" 26 #include "SkTraceEvent.h"
27 #include "batches/GrVertexBatch.h" 27 #include "batches/GrVertexBatch.h"
28 #include "gl/GrGLGeometryProcessor.h" 28 #include "gl/GrGLGeometryProcessor.h"
29 #include "gl/builders/GrGLProgramBuilder.h" 29 #include "glsl/GrGLSLProgramBuilder.h"
30 #include "glsl/GrGLSLProgramDataManager.h" 30 #include "glsl/GrGLSLProgramDataManager.h"
31 31
32 GrAAConvexPathRenderer::GrAAConvexPathRenderer() { 32 GrAAConvexPathRenderer::GrAAConvexPathRenderer() {
33 } 33 }
34 34
35 struct Segment { 35 struct Segment {
36 enum { 36 enum {
37 // These enum values are assumed in member functions below. 37 // These enum values are assumed in member functions below.
38 kLine = 0, 38 kLine = 0,
39 kQuad = 1, 39 kQuad = 1,
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542 bool usesLocalCoords() const { return fUsesLocalCoords; } 542 bool usesLocalCoords() const { return fUsesLocalCoords; }
543 543
544 class GLProcessor : public GrGLGeometryProcessor { 544 class GLProcessor : public GrGLGeometryProcessor {
545 public: 545 public:
546 GLProcessor() 546 GLProcessor()
547 : fColor(GrColor_ILLEGAL) {} 547 : fColor(GrColor_ILLEGAL) {}
548 548
549 void onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) override { 549 void onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) override {
550 const QuadEdgeEffect& qe = args.fGP.cast<QuadEdgeEffect>(); 550 const QuadEdgeEffect& qe = args.fGP.cast<QuadEdgeEffect>();
551 GrGLSLGPBuilder* pb = args.fPB; 551 GrGLSLGPBuilder* pb = args.fPB;
552 GrGLVertexBuilder* vsBuilder = pb->getVertexShaderBuilder(); 552 GrGLSLVertexBuilder* vsBuilder = pb->getVertexShaderBuilder();
553 553
554 // emit attributes 554 // emit attributes
555 vsBuilder->emitAttributes(qe); 555 vsBuilder->emitAttributes(qe);
556 556
557 GrGLSLVertToFrag v(kVec4f_GrSLType); 557 GrGLSLVertToFrag v(kVec4f_GrSLType);
558 args.fPB->addVarying("QuadEdge", &v); 558 args.fPB->addVarying("QuadEdge", &v);
559 vsBuilder->codeAppendf("%s = %s;", v.vsOut(), qe.inQuadEdge()->fName ); 559 vsBuilder->codeAppendf("%s = %s;", v.vsOut(), qe.inQuadEdge()->fName );
560 560
561 // Setup pass through color 561 // Setup pass through color
562 if (!qe.colorIgnored()) { 562 if (!qe.colorIgnored()) {
563 this->setupUniformColor(pb, args.fOutputColor, &fColorUniform); 563 this->setupUniformColor(pb, args.fOutputColor, &fColorUniform);
564 } 564 }
565 565
566 // Setup position 566 // Setup position
567 this->setupPosition(pb, gpArgs, qe.inPosition()->fName); 567 this->setupPosition(pb, gpArgs, qe.inPosition()->fName);
568 568
569 // emit transforms 569 // emit transforms
570 this->emitTransforms(args.fPB, gpArgs->fPositionVar, qe.inPosition() ->fName, 570 this->emitTransforms(args.fPB, gpArgs->fPositionVar, qe.inPosition() ->fName,
571 qe.localMatrix(), args.fTransformsIn, args.fTra nsformsOut); 571 qe.localMatrix(), args.fTransformsIn, args.fTra nsformsOut);
572 572
573 GrGLFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder( ); 573 GrGLSLFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilde r();
574 574
575 SkAssertResult(fsBuilder->enableFeature( 575 SkAssertResult(fsBuilder->enableFeature(
576 GrGLFragmentShaderBuilder::kStandardDerivatives_GLSLFeature) ); 576 GrGLSLFragmentShaderBuilder::kStandardDerivatives_GLSLFeatur e));
577 fsBuilder->codeAppendf("float edgeAlpha;"); 577 fsBuilder->codeAppendf("float edgeAlpha;");
578 578
579 // keep the derivative instructions outside the conditional 579 // keep the derivative instructions outside the conditional
580 fsBuilder->codeAppendf("vec2 duvdx = dFdx(%s.xy);", v.fsIn()); 580 fsBuilder->codeAppendf("vec2 duvdx = dFdx(%s.xy);", v.fsIn());
581 fsBuilder->codeAppendf("vec2 duvdy = dFdy(%s.xy);", v.fsIn()); 581 fsBuilder->codeAppendf("vec2 duvdy = dFdy(%s.xy);", v.fsIn());
582 fsBuilder->codeAppendf("if (%s.z > 0.0 && %s.w > 0.0) {", v.fsIn(), v.fsIn()); 582 fsBuilder->codeAppendf("if (%s.z > 0.0 && %s.w > 0.0) {", v.fsIn(), v.fsIn());
583 // today we know z and w are in device space. We could use derivativ es 583 // today we know z and w are in device space. We could use derivativ es
584 fsBuilder->codeAppendf("edgeAlpha = min(min(%s.z, %s.w) + 0.5, 1.0); ", v.fsIn(), 584 fsBuilder->codeAppendf("edgeAlpha = min(min(%s.z, %s.w) + 0.5, 1.0); ", v.fsIn(),
585 v.fsIn()); 585 v.fsIn());
586 fsBuilder->codeAppendf ("} else {"); 586 fsBuilder->codeAppendf ("} else {");
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1007 DRAW_BATCH_TEST_DEFINE(AAConvexPathBatch) { 1007 DRAW_BATCH_TEST_DEFINE(AAConvexPathBatch) {
1008 AAConvexPathBatch::Geometry geometry; 1008 AAConvexPathBatch::Geometry geometry;
1009 geometry.fColor = GrRandomColor(random); 1009 geometry.fColor = GrRandomColor(random);
1010 geometry.fViewMatrix = GrTest::TestMatrixInvertible(random); 1010 geometry.fViewMatrix = GrTest::TestMatrixInvertible(random);
1011 geometry.fPath = GrTest::TestPathConvex(random); 1011 geometry.fPath = GrTest::TestPathConvex(random);
1012 1012
1013 return AAConvexPathBatch::Create(geometry); 1013 return AAConvexPathBatch::Create(geometry);
1014 } 1014 }
1015 1015
1016 #endif 1016 #endif
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