OLD | NEW |
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 "GrGLGeometryShaderBuilder.h" | 8 #include "GrGLGeometryShaderBuilder.h" |
9 #include "GrGLShaderStringBuilder.h" | 9 #include "GrGLShaderStringBuilder.h" |
10 #include "GrGLProgramBuilder.h" | 10 #include "GrGLProgramBuilder.h" |
11 #include "../GrGpuGL.h" | 11 #include "../GrGpuGL.h" |
12 | 12 |
13 GrGLGeometryBuilder::GrGLGeometryBuilder(GrGLProgramBuilder* program) | 13 GrGLGeometryBuilder::GrGLGeometryBuilder(GrGLProgramBuilder* program) |
14 : INHERITED(program) { | 14 : INHERITED(program) { |
15 | 15 |
16 } | 16 } |
17 | 17 |
18 void GrGLGeometryBuilder::addVarying(const char* name, GrGLVarying* v) { | 18 void GrGLGeometryBuilder::addVarying(GrSLType type, |
| 19 const char* name, |
| 20 const char** gsOutName) { |
19 // if we have a GS take each varying in as an array | 21 // if we have a GS take each varying in as an array |
20 // and output as non-array. | 22 // and output as non-array. |
21 if (v->vsVarying()) { | 23 fInputs.push_back(); |
22 fInputs.push_back(); | 24 fInputs.back().setType(type); |
23 fInputs.back().setType(v->fType); | 25 fInputs.back().setTypeModifier(GrGLShaderVar::kVaryingIn_TypeModifier); |
24 fInputs.back().setTypeModifier(GrGLShaderVar::kVaryingIn_TypeModifier); | 26 fInputs.back().setUnsizedArray(); |
25 fInputs.back().setUnsizedArray(); | 27 *fInputs.back().accessName() = name; |
26 *fInputs.back().accessName() = v->fVsOut; | 28 fOutputs.push_back(); |
27 v->fGsIn = v->fVsOut; | 29 fOutputs.back().setType(type); |
28 } | 30 fOutputs.back().setTypeModifier(GrGLShaderVar::kVaryingOut_TypeModifier); |
29 | 31 fProgramBuilder->nameVariable(fOutputs.back().accessName(), 'g', name); |
30 if (v->fsVarying()) { | 32 if (gsOutName) { |
31 fOutputs.push_back(); | 33 *gsOutName = fOutputs.back().getName().c_str(); |
32 fOutputs.back().setType(v->fType); | |
33 fOutputs.back().setTypeModifier(GrGLShaderVar::kVaryingOut_TypeModifier)
; | |
34 fProgramBuilder->nameVariable(fOutputs.back().accessName(), 'g', name); | |
35 v->fGsOut = fOutputs.back().getName().c_str(); | |
36 } | 34 } |
37 } | 35 } |
38 | 36 |
| 37 |
39 bool GrGLGeometryBuilder::compileAndAttachShaders(GrGLuint programId, | 38 bool GrGLGeometryBuilder::compileAndAttachShaders(GrGLuint programId, |
40 SkTDArray<GrGLuint>* shaderIds) const { | 39 SkTDArray<GrGLuint>* shaderIds) const { |
41 const GrGLContext& glCtx = fProgramBuilder->gpu()->glContext(); | 40 const GrGLContext& glCtx = fProgramBuilder->gpu()->glContext(); |
42 SkASSERT(fProgramBuilder->ctxInfo().glslGeneration() >= k150_GrGLSLGeneratio
n); | 41 SkASSERT(fProgramBuilder->ctxInfo().glslGeneration() >= k150_GrGLSLGeneratio
n); |
43 SkString geomShaderSrc(GrGetGLSLVersionDecl(fProgramBuilder->ctxInfo())); | 42 SkString geomShaderSrc(GrGetGLSLVersionDecl(fProgramBuilder->ctxInfo())); |
44 geomShaderSrc.append("layout(triangles) in;\n" | 43 geomShaderSrc.append("layout(triangles) in;\n" |
45 "layout(triangle_strip, max_vertices = 6) out;\n"); | 44 "layout(triangle_strip, max_vertices = 6) out;\n"); |
46 this->appendDecls(fInputs, &geomShaderSrc); | 45 this->appendDecls(fInputs, &geomShaderSrc); |
47 this->appendDecls(fOutputs, &geomShaderSrc); | 46 this->appendDecls(fOutputs, &geomShaderSrc); |
48 geomShaderSrc.append("void main() {\n"); | 47 geomShaderSrc.append("void main() {\n"); |
(...skipping 15 matching lines...) Expand all Loading... |
64 GrGLuint geomShaderId = | 63 GrGLuint geomShaderId = |
65 GrGLCompileAndAttachShader(glCtx, programId, | 64 GrGLCompileAndAttachShader(glCtx, programId, |
66 GR_GL_GEOMETRY_SHADER, geomShaderSrc, | 65 GR_GL_GEOMETRY_SHADER, geomShaderSrc, |
67 fProgramBuilder->gpu()->gpuStats()); | 66 fProgramBuilder->gpu()->gpuStats()); |
68 if (!geomShaderId) { | 67 if (!geomShaderId) { |
69 return false; | 68 return false; |
70 } | 69 } |
71 *shaderIds->append() = geomShaderId; | 70 *shaderIds->append() = geomShaderId; |
72 return true; | 71 return true; |
73 } | 72 } |
OLD | NEW |