void GrGLProgramBuilder::emitAndInstallProc(const GrPrimitiveProcessor& gp,
const char* outColor,
const char* outCoverage) {
SkASSERT(!fGeometryProcessor);
fGeometryProcessor = new GrGLInstalledGeoProc;
fGeometryProcessor->fGLProc.reset(gp.createGLSLInstance(*fGpu->glCaps().glslCaps()));
SkSTArray<4, GrGLSLTextureSampler> samplers(gp.numTextures());
this->emitSamplers(gp, &samplers, fGeometryProcessor);
GrGLSLGeometryProcessor::EmitArgs args(this,
&fVS,
&fFS,
&fVaryingHandler,
this->glslCaps(),
gp,
outColor,
outCoverage,
samplers,
fCoordTransforms,
&fOutCoords);
fGeometryProcessor->fGLProc->emitCode(args);
// We have to check that effects and the code they emit are consistent, ie if an effect
// asks for dst color, then the emit code needs to follow suit
verify(gp);
}
void GrGLSLProgramBuilder::emitAndInstallPrimProc(const GrPrimitiveProcessor& proc,
GrGLSLExpr4* outputColor,
GrGLSLExpr4* outputCoverage) {
// Program builders have a bit of state we need to clear with each effect
AutoStageAdvance adv(this);
this->nameExpression(outputColor, "outputColor");
this->nameExpression(outputCoverage, "outputCoverage");
// Enclose custom code in a block to avoid namespace conflicts
SkString openBrace;
openBrace.printf("{ // Stage %d, %s\n", fStageIndex, proc.name());
fFS.codeAppend(openBrace.c_str());
fVS.codeAppendf("// Primitive Processor %s\n", proc.name());
SkASSERT(!fGeometryProcessor);
fGeometryProcessor = proc.createGLSLInstance(*this->glslCaps());
SkSTArray<4, SamplerHandle> texSamplers(proc.numTextures());
SkSTArray<2, SamplerHandle> bufferSamplers(proc.numBuffers());
this->emitSamplers(proc, &texSamplers, &bufferSamplers);
GrGLSLGeometryProcessor::EmitArgs args(&fVS,
&fFS,
this->varyingHandler(),
this->uniformHandler(),
this->glslCaps(),
proc,
outputColor->c_str(),
outputCoverage->c_str(),
texSamplers.begin(),
bufferSamplers.begin(),
fCoordTransforms,
&fOutCoords);
fGeometryProcessor->emitCode(args);
// We have to check that effects and the code they emit are consistent, ie if an effect
// asks for dst color, then the emit code needs to follow suit
SkDEBUGCODE(verify(proc);)
