bool GrGLFragmentShaderBuilder::compileAndAttachShaders(GrGLuint programId,
SkTDArray<GrGLuint>* shaderIds) const {
GrGLGpu* gpu = fProgramBuilder->gpu();
SkString fragShaderSrc(GrGetGLSLVersionDecl(gpu->ctxInfo()));
fragShaderSrc.append(fExtensions);
append_default_precision_qualifier(kDefault_GrSLPrecision,
gpu->glStandard(),
&fragShaderSrc);
fProgramBuilder->appendUniformDecls(GrGLProgramBuilder::kFragment_Visibility, &fragShaderSrc);
this->appendDecls(fInputs, &fragShaderSrc);
// We shouldn't have declared outputs on 1.10
SkASSERT(k110_GrGLSLGeneration != gpu->glslGeneration() || fOutputs.empty());
this->appendDecls(fOutputs, &fragShaderSrc);
fragShaderSrc.append(fFunctions);
fragShaderSrc.append("void main() {\n");
fragShaderSrc.append(fCode);
fragShaderSrc.append("}\n");
GrGLuint fragShaderId = GrGLCompileAndAttachShader(gpu->glContext(), programId,
GR_GL_FRAGMENT_SHADER, fragShaderSrc,
gpu->gpuStats());
if (!fragShaderId) {
return false;
}
*shaderIds->append() = fragShaderId;
return true;
}
bool GrGLVertexBuilder::compileAndAttachShaders(GrGLuint programId,
SkTDArray<GrGLuint>* shaderIds) const {
GrGLGpu* gpu = fProgramBuilder->gpu();
const GrGLContext& glCtx = gpu->glContext();
const GrGLContextInfo& ctxInfo = gpu->ctxInfo();
SkString vertShaderSrc(GrGetGLSLVersionDecl(ctxInfo));
fProgramBuilder->appendUniformDecls(GrGLProgramBuilder::kVertex_Visibility, &vertShaderSrc);
this->appendDecls(fInputs, &vertShaderSrc);
this->appendDecls(fOutputs, &vertShaderSrc);
vertShaderSrc.append("void main() {");
vertShaderSrc.append(fCode);
vertShaderSrc.append("}\n");
GrGLuint vertShaderId = GrGLCompileAndAttachShader(glCtx, programId,
GR_GL_VERTEX_SHADER, vertShaderSrc,
gpu->gpuStats());
if (!vertShaderId) {
return false;
}
*shaderIds->append() = vertShaderId;
return true;
}
