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Side by Side Diff: src/gpu/glsl/GrGLSLVertexShaderBuilder.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 "GrGLVertexShaderBuilder.h" 8 #include "GrGLSLVertexShaderBuilder.h"
9 #include "glsl/GrGLSLProgramBuilder.h" 9 #include "glsl/GrGLSLProgramBuilder.h"
10 10
11 GrGLVertexBuilder::GrGLVertexBuilder(GrGLSLProgramBuilder* program) 11 GrGLSLVertexBuilder::GrGLSLVertexBuilder(GrGLSLProgramBuilder* program)
12 : INHERITED(program) 12 : INHERITED(program)
13 , fRtAdjustName(nullptr) { 13 , fRtAdjustName(nullptr) {
14 } 14 }
15 15
16 void GrGLVertexBuilder::addVarying(const char* name, GrSLPrecision precision, Gr GLSLVarying* v) { 16 void GrGLSLVertexBuilder::addVarying(const char* name, GrSLPrecision precision, GrGLSLVarying* v) {
17 fOutputs.push_back(); 17 fOutputs.push_back();
18 fOutputs.back().setType(v->fType); 18 fOutputs.back().setType(v->fType);
19 fOutputs.back().setTypeModifier(GrGLSLShaderVar::kVaryingOut_TypeModifier); 19 fOutputs.back().setTypeModifier(GrGLSLShaderVar::kVaryingOut_TypeModifier);
20 fOutputs.back().setPrecision(precision); 20 fOutputs.back().setPrecision(precision);
21 fProgramBuilder->nameVariable(fOutputs.back().accessName(), 'v', name); 21 fProgramBuilder->nameVariable(fOutputs.back().accessName(), 'v', name);
22 v->fVsOut = fOutputs.back().getName().c_str(); 22 v->fVsOut = fOutputs.back().getName().c_str();
23 } 23 }
24 24
25 void GrGLVertexBuilder::emitAttributes(const GrGeometryProcessor& gp) { 25 void GrGLSLVertexBuilder::emitAttributes(const GrGeometryProcessor& gp) {
26 int vaCount = gp.numAttribs(); 26 int vaCount = gp.numAttribs();
27 for (int i = 0; i < vaCount; i++) { 27 for (int i = 0; i < vaCount; i++) {
28 this->addAttribute(&gp.getAttrib(i)); 28 this->addAttribute(&gp.getAttrib(i));
29 } 29 }
30 return; 30 return;
31 } 31 }
32 32
33 void GrGLVertexBuilder::transformToNormalizedDeviceSpace(const GrShaderVar& posV ar) { 33 void GrGLSLVertexBuilder::transformToNormalizedDeviceSpace(const GrShaderVar& po sVar) {
34 SkASSERT(!fRtAdjustName); 34 SkASSERT(!fRtAdjustName);
35 35
36 GrSLPrecision precision = kDefault_GrSLPrecision; 36 GrSLPrecision precision = kDefault_GrSLPrecision;
37 if (fProgramBuilder->glslCaps()->forceHighPrecisionNDSTransform()) { 37 if (fProgramBuilder->glslCaps()->forceHighPrecisionNDSTransform()) {
38 precision = kHigh_GrSLPrecision; 38 precision = kHigh_GrSLPrecision;
39 } 39 }
40 40
41 // setup RT Uniform 41 // setup RT Uniform
42 fProgramBuilder->fUniformHandles.fRTAdjustmentUni = 42 fProgramBuilder->fUniformHandles.fRTAdjustmentUni =
43 fProgramBuilder->addUniform(GrGLSLProgramBuilder::kVertex_Visibility , 43 fProgramBuilder->addUniform(GrGLSLProgramBuilder::kVertex_Visibility ,
(...skipping 21 matching lines...) Expand all
65 SkASSERT(kVec2f_GrSLType == posVar.getType()); 65 SkASSERT(kVec2f_GrSLType == posVar.getType());
66 this->codeAppendf("gl_Position = vec4(%s.x * %s.x + %s.y, %s.y * %s.z + %s.w, 0, 1);", 66 this->codeAppendf("gl_Position = vec4(%s.x * %s.x + %s.y, %s.y * %s.z + %s.w, 0, 1);",
67 posVar.c_str(), fRtAdjustName, fRtAdjustName, 67 posVar.c_str(), fRtAdjustName, fRtAdjustName,
68 posVar.c_str(), fRtAdjustName, fRtAdjustName); 68 posVar.c_str(), fRtAdjustName, fRtAdjustName);
69 } 69 }
70 // We could have the GrGeometryProcessor do this, but its just easier to hav e it performed 70 // We could have the GrGeometryProcessor do this, but its just easier to hav e it performed
71 // here. If we ever need to set variable pointsize, then we can reinvestigat e 71 // here. If we ever need to set variable pointsize, then we can reinvestigat e
72 this->codeAppend("gl_PointSize = 1.0;"); 72 this->codeAppend("gl_PointSize = 1.0;");
73 } 73 }
74 74
75 bool GrGLVertexBuilder::addAttribute(const GrShaderVar& var) { 75 bool GrGLSLVertexBuilder::addAttribute(const GrShaderVar& var) {
76 SkASSERT(GrShaderVar::kAttribute_TypeModifier == var.getTypeModifier()); 76 SkASSERT(GrShaderVar::kAttribute_TypeModifier == var.getTypeModifier());
77 for (int i = 0; i < fInputs.count(); ++i) { 77 for (int i = 0; i < fInputs.count(); ++i) {
78 const GrGLSLShaderVar& attr = fInputs[i]; 78 const GrGLSLShaderVar& attr = fInputs[i];
79 // if attribute already added, don't add it again 79 // if attribute already added, don't add it again
80 if (attr.getName().equals(var.getName())) { 80 if (attr.getName().equals(var.getName())) {
81 return false; 81 return false;
82 } 82 }
83 } 83 }
84 fInputs.push_back(var); 84 fInputs.push_back(var);
85 return true; 85 return true;
86 } 86 }
87 87
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