void GrGLPathTexGenProgramEffects::setupPathTexGen(GrGLFragmentOnlyShaderBuilder* builder,
const GrDrawEffect& drawEffect,
TransformedCoordsArray* outCoords) {
int numTransforms = drawEffect.effect()->numTransforms();
uint32_t totalKey = GenTransformKey(drawEffect);
int texCoordIndex = builder->addTexCoordSets(numTransforms);
SkNEW_APPEND_TO_TARRAY(&fTransforms, Transforms, (totalKey, texCoordIndex));
SkString name;
for (int t = 0; t < numTransforms; ++t) {
GrSLType type = kGeneral_MatrixType == get_matrix_type(totalKey, t) ?
kVec3f_GrSLType :
kVec2f_GrSLType;
name.printf("%s(gl_TexCoord[%i])", GrGLSLTypeString(type), texCoordIndex++);
SkNEW_APPEND_TO_TARRAY(outCoords, TransformedCoords, (name, type));
}
}
void GrGLPathTexGenProgramEffects::setupPathTexGen(GrGLFragmentOnlyShaderBuilder* builder,
const GrEffectRef& effect,
EffectKey effectKey,
TransformedCoordsArray* outCoords) {
int numTransforms = effect->numTransforms();
EffectKey totalKey = GrBackendEffectFactory::GetTransformKey(effectKey);
int texCoordIndex = builder->addTexCoordSets(numTransforms);
SkNEW_APPEND_TO_TARRAY(&fTransforms, Transforms, (totalKey, texCoordIndex));
SkString name;
for (int t = 0; t < numTransforms; ++t) {
GrSLType type = kGeneral_MatrixType == get_matrix_type(totalKey, t) ?
kVec3f_GrSLType :
kVec2f_GrSLType;
name.printf("%s(gl_TexCoord[%i])", GrGLSLTypeString(type), texCoordIndex++);
SkNEW_APPEND_TO_TARRAY(outCoords, TransformedCoords, (name, type));
}
}
void GrGLShaderBuilder::fsEmitFunction(GrSLType returnType,
const char* name,
int argCnt,
const GrGLShaderVar* args,
const char* body,
SkString* outName) {
fFSFunctions.append(GrGLSLTypeString(returnType));
this->nameVariable(outName, '\0', name);
fFSFunctions.appendf(" %s", outName->c_str());
fFSFunctions.append("(");
for (int i = 0; i < argCnt; ++i) {
args[i].appendDecl(this->ctxInfo(), &fFSFunctions);
if (i < argCnt - 1) {
fFSFunctions.append(", ");
}
}
fFSFunctions.append(") {\n");
fFSFunctions.append(body);
fFSFunctions.append("}\n\n");
}
void GrGLSLShaderBuilder::emitFunction(GrSLType returnType,
const char* name,
int argCnt,
const GrGLSLShaderVar* args,
const char* body,
SkString* outName) {
this->functions().append(GrGLSLTypeString(returnType));
fProgramBuilder->nameVariable(outName, '\0', name);
this->functions().appendf(" %s", outName->c_str());
this->functions().append("(");
for (int i = 0; i < argCnt; ++i) {
args[i].appendDecl(fProgramBuilder->glslCaps(), &this->functions());
if (i < argCnt - 1) {
this->functions().append(", ");
}
}
this->functions().append(") {\n");
this->functions().append(body);
this->functions().append("}\n\n");
}
void GrGLShaderBuilder::emitFunction(GrSLType returnType,
const char* name,
int argCnt,
const GrGLShaderVar* args,
const char* body,
SkString* outName) {
fFunctions.append(GrGLSLTypeString(returnType));
fProgramBuilder->nameVariable(outName, '\0', name);
fFunctions.appendf(" %s", outName->c_str());
fFunctions.append("(");
const GrGLContextInfo& ctxInfo = fProgramBuilder->gpu()->ctxInfo();
for (int i = 0; i < argCnt; ++i) {
args[i].appendDecl(ctxInfo, &fFunctions);
if (i < argCnt - 1) {
fFunctions.append(", ");
}
}
fFunctions.append(") {\n");
fFunctions.append(body);
fFunctions.append("}\n\n");
}
void GrGLLegacyPathProcessor::emitTransforms(GrGLGPBuilder*, const TransformsIn& tin,
TransformsOut* tout) {
tout->push_back_n(tin.count());
fInstalledTransforms.push_back_n(tin.count());
for (int i = 0; i < tin.count(); i++) {
const ProcCoords& coordTransforms = tin[i];
int texCoordIndex = this->addTexCoordSets(coordTransforms.count());
// Use the first uniform location as the texcoord index.
fInstalledTransforms[i].push_back_n(1);
fInstalledTransforms[i][0].fHandle = ShaderVarHandle(texCoordIndex);
SkString name;
for (int t = 0; t < coordTransforms.count(); ++t) {
GrSLType type = coordTransforms[t]->getMatrix().hasPerspective() ? kVec3f_GrSLType :
kVec2f_GrSLType;
name.printf("%s(gl_TexCoord[%i])", GrGLSLTypeString(type), texCoordIndex++);
SkNEW_APPEND_TO_TARRAY(&(*tout)[i], GrGLProcessor::TransformedCoords, (name, type));
}
}
}
