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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 "GrGLVertexShaderBuilder.h" |
9 #include "GrGLFullProgramBuilder.h" | 9 #include "GrGLFullProgramBuilder.h" |
10 #include "GrGLShaderStringBuilder.h" | 10 #include "GrGLShaderStringBuilder.h" |
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50 fOutputs.back().setType(type); | 50 fOutputs.back().setType(type); |
51 fOutputs.back().setTypeModifier(GrGLShaderVar::kVaryingOut_TypeModifier); | 51 fOutputs.back().setTypeModifier(GrGLShaderVar::kVaryingOut_TypeModifier); |
52 fProgramBuilder->nameVariable(fOutputs.back().accessName(), 'v', name); | 52 fProgramBuilder->nameVariable(fOutputs.back().accessName(), 'v', name); |
53 | 53 |
54 if (vsOutName) { | 54 if (vsOutName) { |
55 *vsOutName = fOutputs.back().getName().c_str(); | 55 *vsOutName = fOutputs.back().getName().c_str(); |
56 } | 56 } |
57 } | 57 } |
58 | 58 |
59 | 59 |
60 void GrGLVertexShaderBuilder::bindProgramLocations(GrGLuint programId) { | 60 void GrGLVertexShaderBuilder::bindProgramLocations(const GrOptDrawState& optStat
e, |
| 61 GrGLuint programId) { |
61 const GrGLProgramDesc::KeyHeader& header = fProgramBuilder->desc().getHeader
(); | 62 const GrGLProgramDesc::KeyHeader& header = fProgramBuilder->desc().getHeader
(); |
62 GrGpuGL* gpu = fProgramBuilder->gpu(); | 63 GrGpuGL* gpu = fProgramBuilder->gpu(); |
63 | 64 |
64 // Bind the attrib locations to same values for all shaders | 65 // Bind the attrib locations to same values for all shaders |
65 SkASSERT(-1 != header.fPositionAttributeIndex); | 66 SkASSERT(-1 != header.fPositionAttributeIndex); |
66 GL_CALL(BindAttribLocation(programId, | 67 GL_CALL(BindAttribLocation(programId, |
67 header.fPositionAttributeIndex, | 68 header.fPositionAttributeIndex, |
68 fPositionVar->c_str())); | 69 fPositionVar->c_str())); |
69 if (-1 != header.fLocalCoordAttributeIndex) { | 70 if (-1 != header.fLocalCoordAttributeIndex) { |
70 GL_CALL(BindAttribLocation(programId, | 71 GL_CALL(BindAttribLocation(programId, |
71 header.fLocalCoordAttributeIndex, | 72 header.fLocalCoordAttributeIndex, |
72 fLocalCoordsVar->c_str())); | 73 fLocalCoordsVar->c_str())); |
73 } | 74 } |
74 if (-1 != header.fColorAttributeIndex) { | 75 if (-1 != header.fColorAttributeIndex) { |
75 GL_CALL(BindAttribLocation(programId, | 76 GL_CALL(BindAttribLocation(programId, |
76 header.fColorAttributeIndex, | 77 header.fColorAttributeIndex, |
77 color_attribute_name())); | 78 color_attribute_name())); |
78 } | 79 } |
79 if (-1 != header.fCoverageAttributeIndex) { | 80 if (-1 != header.fCoverageAttributeIndex) { |
80 GL_CALL(BindAttribLocation(programId, | 81 GL_CALL(BindAttribLocation(programId, |
81 header.fCoverageAttributeIndex, | 82 header.fCoverageAttributeIndex, |
82 coverage_attribute_name())); | 83 coverage_attribute_name())); |
83 } | 84 } |
84 | 85 |
85 // We pull the current state of attributes off of drawstate's optimized stat
e and bind them in | 86 const GrVertexAttrib* vaPtr = optState.getVertexAttribs(); |
86 // order. This assumes that the drawState has not changed since we called fl
ushGraphicsState() | 87 const int vaCount = optState.getVertexAttribCount(); |
87 // higher up in the stack. | |
88 const GrDrawTargetCaps* caps = fProgramBuilder->gpu()->caps(); | |
89 const GrDrawState& drawState = *fProgramBuilder->gpu()->drawState(); | |
90 SkAutoTUnref<GrOptDrawState> optState(drawState.createOptState(*caps)); | |
91 const GrVertexAttrib* vaPtr = optState->getVertexAttribs(); | |
92 const int vaCount = optState->getVertexAttribCount(); | |
93 | 88 |
94 int i = fEffectAttribOffset; | 89 int i = fEffectAttribOffset; |
95 for (int index = 0; index < vaCount; index++) { | 90 for (int index = 0; index < vaCount; index++) { |
96 if (kGeometryProcessor_GrVertexAttribBinding != vaPtr[index].fBinding) { | 91 if (kGeometryProcessor_GrVertexAttribBinding != vaPtr[index].fBinding) { |
97 continue; | 92 continue; |
98 } | 93 } |
99 SkASSERT(index != header.fPositionAttributeIndex && | 94 SkASSERT(index != header.fPositionAttributeIndex && |
100 index != header.fLocalCoordAttributeIndex && | 95 index != header.fLocalCoordAttributeIndex && |
101 index != header.fColorAttributeIndex && | 96 index != header.fColorAttributeIndex && |
102 index != header.fCoverageAttributeIndex); | 97 index != header.fCoverageAttributeIndex); |
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193 this->addAttribute(GrShaderVar(coverage_attribute_name(), | 188 this->addAttribute(GrShaderVar(coverage_attribute_name(), |
194 kVec4f_GrSLType, | 189 kVec4f_GrSLType, |
195 GrShaderVar::kAttribute_TypeModifier)); | 190 GrShaderVar::kAttribute_TypeModifier)); |
196 const char *vsName, *fsName; | 191 const char *vsName, *fsName; |
197 fFullProgramBuilder->addVarying(kVec4f_GrSLType, "Coverage", &vsName, &f
sName); | 192 fFullProgramBuilder->addVarying(kVec4f_GrSLType, "Coverage", &vsName, &f
sName); |
198 this->codeAppendf("%s = %s;", vsName, coverage_attribute_name()); | 193 this->codeAppendf("%s = %s;", vsName, coverage_attribute_name()); |
199 *coverage = fsName; | 194 *coverage = fsName; |
200 } | 195 } |
201 fEffectAttribOffset = fInputs.count(); | 196 fEffectAttribOffset = fInputs.count(); |
202 } | 197 } |
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