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Side by Side Diff: src/gpu/GrDefaultGeoProcFactory.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 * Copyright 2014 Google Inc. 2 * Copyright 2014 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 "GrDefaultGeoProcFactory.h" 8 #include "GrDefaultGeoProcFactory.h"
9 9
10 #include "GrInvariantOutput.h" 10 #include "GrInvariantOutput.h"
11 #include "gl/GrGLGeometryProcessor.h" 11 #include "gl/GrGLGeometryProcessor.h"
12 #include "gl/GrGLUtil.h" 12 #include "gl/GrGLUtil.h"
13 #include "gl/builders/GrGLProgramBuilder.h" 13 #include "glsl/GrGLSLFragmentShaderBuilder.h"
14 #include "glsl/GrGLSLProgramBuilder.h"
15 #include "glsl/GrGLSLVertexShaderBuilder.h"
14 16
15 /* 17 /*
16 * The default Geometry Processor simply takes position and multiplies it by the uniform view 18 * The default Geometry Processor simply takes position and multiplies it by the uniform view
17 * matrix. It also leaves coverage untouched. Behind the scenes, we may add per vertex color or 19 * matrix. It also leaves coverage untouched. Behind the scenes, we may add per vertex color or
18 * local coords. 20 * local coords.
19 */ 21 */
20 22
21 enum GPFlag { 23 enum GPFlag {
22 kColor_GPFlag = 0x1, 24 kColor_GPFlag = 0x1,
23 kLocalCoord_GPFlag = 0x2, 25 kLocalCoord_GPFlag = 0x2,
(...skipping 31 matching lines...) Expand 10 before | Expand all | Expand 10 after
55 bool hasVertexCoverage() const { return SkToBool(fInCoverage); } 57 bool hasVertexCoverage() const { return SkToBool(fInCoverage); }
56 58
57 class GLProcessor : public GrGLGeometryProcessor { 59 class GLProcessor : public GrGLGeometryProcessor {
58 public: 60 public:
59 GLProcessor() 61 GLProcessor()
60 : fViewMatrix(SkMatrix::InvalidMatrix()), fColor(GrColor_ILLEGAL), f Coverage(0xff) {} 62 : fViewMatrix(SkMatrix::InvalidMatrix()), fColor(GrColor_ILLEGAL), f Coverage(0xff) {}
61 63
62 void onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) override { 64 void onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) override {
63 const DefaultGeoProc& gp = args.fGP.cast<DefaultGeoProc>(); 65 const DefaultGeoProc& gp = args.fGP.cast<DefaultGeoProc>();
64 GrGLSLGPBuilder* pb = args.fPB; 66 GrGLSLGPBuilder* pb = args.fPB;
65 GrGLVertexBuilder* vsBuilder = pb->getVertexShaderBuilder(); 67 GrGLSLVertexBuilder* vsBuilder = pb->getVertexShaderBuilder();
66 GrGLFragmentBuilder* fs = args.fPB->getFragmentShaderBuilder(); 68 GrGLSLFragmentBuilder* fs = args.fPB->getFragmentShaderBuilder();
67 69
68 // emit attributes 70 // emit attributes
69 vsBuilder->emitAttributes(gp); 71 vsBuilder->emitAttributes(gp);
70 72
71 // Setup pass through color 73 // Setup pass through color
72 if (!gp.colorIgnored()) { 74 if (!gp.colorIgnored()) {
73 if (gp.hasVertexColor()) { 75 if (gp.hasVertexColor()) {
74 pb->addPassThroughAttribute(gp.inColor(), args.fOutputColor) ; 76 pb->addPassThroughAttribute(gp.inColor(), args.fOutputColor) ;
75 } else { 77 } else {
76 this->setupUniformColor(pb, args.fOutputColor, &fColorUnifor m); 78 this->setupUniformColor(pb, args.fOutputColor, &fColorUnifor m);
(...skipping 21 matching lines...) Expand all
98 // Setup coverage as pass through 100 // Setup coverage as pass through
99 if (!gp.coverageWillBeIgnored()) { 101 if (!gp.coverageWillBeIgnored()) {
100 if (gp.hasVertexCoverage()) { 102 if (gp.hasVertexCoverage()) {
101 fs->codeAppendf("float alpha = 1.0;"); 103 fs->codeAppendf("float alpha = 1.0;");
102 args.fPB->addPassThroughAttribute(gp.inCoverage(), "alpha"); 104 args.fPB->addPassThroughAttribute(gp.inCoverage(), "alpha");
103 fs->codeAppendf("%s = vec4(alpha);", args.fOutputCoverage); 105 fs->codeAppendf("%s = vec4(alpha);", args.fOutputCoverage);
104 } else if (gp.coverage() == 0xff) { 106 } else if (gp.coverage() == 0xff) {
105 fs->codeAppendf("%s = vec4(1);", args.fOutputCoverage); 107 fs->codeAppendf("%s = vec4(1);", args.fOutputCoverage);
106 } else { 108 } else {
107 const char* fragCoverage; 109 const char* fragCoverage;
108 fCoverageUniform = pb->addUniform(GrGLProgramBuilder::kFragm ent_Visibility, 110 fCoverageUniform = pb->addUniform(GrGLSLProgramBuilder::kFra gment_Visibility,
109 kFloat_GrSLType, 111 kFloat_GrSLType,
110 kDefault_GrSLPrecision, 112 kDefault_GrSLPrecision,
111 "Coverage", 113 "Coverage",
112 &fragCoverage); 114 &fragCoverage);
113 fs->codeAppendf("%s = vec4(%s);", args.fOutputCoverage, frag Coverage); 115 fs->codeAppendf("%s = vec4(%s);", args.fOutputCoverage, frag Coverage);
114 } 116 }
115 } 117 }
116 } 118 }
117 119
118 static inline void GenKey(const GrGeometryProcessor& gp, 120 static inline void GenKey(const GrGeometryProcessor& gp,
(...skipping 191 matching lines...) Expand 10 before | Expand all | Expand 10 after
310 } 312 }
311 313
312 if (localCoords.hasLocalMatrix()) { 314 if (localCoords.hasLocalMatrix()) {
313 invert.preConcat(*localCoords.fMatrix); 315 invert.preConcat(*localCoords.fMatrix);
314 } 316 }
315 } 317 }
316 318
317 LocalCoords inverted(LocalCoords::kUsePosition_Type, &invert); 319 LocalCoords inverted(LocalCoords::kUsePosition_Type, &invert);
318 return Create(color, coverage, inverted, SkMatrix::I()); 320 return Create(color, coverage, inverted, SkMatrix::I());
319 } 321 }
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