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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 "GrGLProgramBuilder.h" | 9 #include "GrGLProgramBuilder.h" |
10 #include "GrGLShaderStringBuilder.h" | 10 #include "GrGLShaderStringBuilder.h" |
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91 "rtAdjustment", | 91 "rtAdjustment", |
92 &rtAdjustName); | 92 &rtAdjustName); |
93 | 93 |
94 // Transform from Skia's device coords to GL's normalized device coords. | 94 // Transform from Skia's device coords to GL's normalized device coords. |
95 this->codeAppendf("gl_Position = vec4(dot(pos3.xz, %s.xy), dot(pos3.yz, %s.z
w), 0, pos3.z);", | 95 this->codeAppendf("gl_Position = vec4(dot(pos3.xz, %s.xy), dot(pos3.yz, %s.z
w), 0, pos3.z);", |
96 rtAdjustName, rtAdjustName); | 96 rtAdjustName, rtAdjustName); |
97 } | 97 } |
98 | 98 |
99 void GrGLVertexBuilder::bindVertexAttributes(GrGLuint programID) { | 99 void GrGLVertexBuilder::bindVertexAttributes(GrGLuint programID) { |
100 // Bind the attrib locations to same values for all shaders | 100 // Bind the attrib locations to same values for all shaders |
101 const GrGLProgramDesc::KeyHeader& header = fProgramBuilder->header(); | 101 const GrProgramDesc::KeyHeader& header = fProgramBuilder->header(); |
102 SkASSERT(-1 != header.fPositionAttributeIndex); | 102 SkASSERT(-1 != header.fPositionAttributeIndex); |
103 GL_CALL(BindAttribLocation(programID, | 103 GL_CALL(BindAttribLocation(programID, |
104 header.fPositionAttributeIndex, | 104 header.fPositionAttributeIndex, |
105 fPositionVar->c_str())); | 105 fPositionVar->c_str())); |
106 if (-1 != header.fLocalCoordAttributeIndex) { | 106 if (-1 != header.fLocalCoordAttributeIndex) { |
107 GL_CALL(BindAttribLocation(programID, | 107 GL_CALL(BindAttribLocation(programID, |
108 header.fLocalCoordAttributeIndex, | 108 header.fLocalCoordAttributeIndex, |
109 fLocalCoordsVar->c_str())); | 109 fLocalCoordsVar->c_str())); |
110 } | 110 } |
111 if (-1 != header.fColorAttributeIndex) { | 111 if (-1 != header.fColorAttributeIndex) { |
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169 for (int i = 0; i < fInputs.count(); ++i) { | 169 for (int i = 0; i < fInputs.count(); ++i) { |
170 const GrGLShaderVar& attr = fInputs[i]; | 170 const GrGLShaderVar& attr = fInputs[i]; |
171 // if attribute already added, don't add it again | 171 // if attribute already added, don't add it again |
172 if (attr.getName().equals(var.getName())) { | 172 if (attr.getName().equals(var.getName())) { |
173 return false; | 173 return false; |
174 } | 174 } |
175 } | 175 } |
176 fInputs.push_back(var); | 176 fInputs.push_back(var); |
177 return true; | 177 return true; |
178 } | 178 } |
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