void GrGLPathTexGenProgramEffects::emitEffect(GrGLFragmentOnlyShaderBuilder* builder,
const GrEffectStage& stage,
const GrEffectKey& key,
const char* outColor,
const char* inColor,
int stageIndex) {
GrDrawEffect drawEffect(stage, false);
const GrEffect* effect = stage.getEffect();
SkSTArray<2, TransformedCoords> coords(effect->numTransforms());
SkSTArray<4, TextureSampler> samplers(effect->numTextures());
SkASSERT(0 == stage.getVertexAttribIndexCount());
this->setupPathTexGen(builder, drawEffect, &coords);
this->emitSamplers(builder, effect, &samplers);
GrGLEffect* glEffect = effect->getFactory().createGLInstance(drawEffect);
fGLEffects.push_back(glEffect);
// Enclose custom code in a block to avoid namespace conflicts
SkString openBrace;
openBrace.printf("\t{ // Stage %d: %s\n", stageIndex, glEffect->name());
builder->fsCodeAppend(openBrace.c_str());
SkASSERT(!glEffect->isVertexEffect());
glEffect->emitCode(builder, drawEffect, key, outColor, inColor, coords, samplers);
builder->fsCodeAppend("\t}\n");
}
void GrGLVertexProgramEffects::emitAttributes(GrGLFullShaderBuilder* builder,
const GrEffectStage& stage) {
int numAttributes = stage.getVertexAttribIndexCount();
const int* attributeIndices = stage.getVertexAttribIndices();
for (int a = 0; a < numAttributes; ++a) {
// TODO: Make addAttribute mangle the name.
SkString attributeName("aAttr");
attributeName.appendS32(attributeIndices[a]);
builder->addEffectAttribute(attributeIndices[a],
stage.getEffect()->vertexAttribType(a),
attributeName);
}
}
