void GrGLNormalPathProcessor::setTransformData(
const GrPrimitiveProcessor& primProc,
int index,
const SkTArray<const GrCoordTransform*, true>& coordTransforms,
GrGLPathRendering* glpr,
GrGLuint programID) {
SkSTArray<2, Transform, true>& transforms = fInstalledTransforms[index];
int numTransforms = transforms.count();
for (int t = 0; t < numTransforms; ++t) {
SkASSERT(transforms[t].fHandle.isValid());
const SkMatrix& transform = GetTransformMatrix(primProc.localMatrix(),
*coordTransforms[t]);
if (transforms[t].fCurrentValue.cheapEqualTo(transform)) {
continue;
}
transforms[t].fCurrentValue = transform;
const SeparableVaryingInfo& fragmentInput =
fSeparableVaryingInfos[transforms[t].fHandle.handle()];
SkASSERT(transforms[t].fType == kVec2f_GrSLType ||
transforms[t].fType == kVec3f_GrSLType);
unsigned components = transforms[t].fType == kVec2f_GrSLType ? 2 : 3;
glpr->setProgramPathFragmentInputTransform(programID,
fragmentInput.fLocation,
GR_GL_OBJECT_LINEAR,
components,
transform);
}
}
void
GrGLGeometryProcessor::setTransformData(const GrPrimitiveProcessor& primProc,
const GrGLProgramDataManager& pdman,
int index,
const SkTArray<const GrCoordTransform*, true>& transforms) {
SkSTArray<2, Transform, true>& procTransforms = fInstalledTransforms[index];
int numTransforms = transforms.count();
for (int t = 0; t < numTransforms; ++t) {
SkASSERT(procTransforms[t].fHandle.isValid());
const SkMatrix& transform = GetTransformMatrix(primProc.localMatrix(), *transforms[t]);
if (!procTransforms[t].fCurrentValue.cheapEqualTo(transform)) {
pdman.setSkMatrix(procTransforms[t].fHandle.convertToUniformHandle(), transform);
procTransforms[t].fCurrentValue = transform;
}
}
}
void GrGLLegacyPathProcessor::setTransformData(
const GrPrimitiveProcessor& primProc,
int index,
const SkTArray<const GrCoordTransform*, true>& transforms,
GrGLPathRendering* glpr,
GrGLuint) {
// We've hidden the texcoord index in the first entry of the transforms array for each
// effect
int texCoordIndex = fInstalledTransforms[index][0].fHandle.handle();
for (int t = 0; t < transforms.count(); ++t) {
const SkMatrix& transform = GetTransformMatrix(primProc.localMatrix(), *transforms[t]);
GrGLPathRendering::PathTexGenComponents components =
GrGLPathRendering::kST_PathTexGenComponents;
if (transform.hasPerspective()) {
components = GrGLPathRendering::kSTR_PathTexGenComponents;
}
glpr->enablePathTexGen(texCoordIndex++, components, transform);
}
}
