Made isEqual in GrFragmentProcessor recursive
Added comment about how computeInvariantOutput() is non-recursive in GrFragmentProcessor
Made isEqual() recursive in GrFragmentProcessor
BUG=skia:4182
Review URL: https://codereview.chromium.org/1287343005
diff --git a/src/gpu/GrProcessor.cpp b/src/gpu/GrProcessor.cpp
index 39c55a6..3090d0f 100644
--- a/src/gpu/GrProcessor.cpp
+++ b/src/gpu/GrProcessor.cpp
@@ -129,6 +129,33 @@
///////////////////////////////////////////////////////////////////////////////////////////////////
+bool GrFragmentProcessor::isEqual(const GrFragmentProcessor& that,
+ bool ignoreCoordTransforms) const {
+ if (this->classID() != that.classID() ||
+ !this->hasSameTextureAccesses(that)) {
+ return false;
+ }
+ if (ignoreCoordTransforms) {
+ if (this->numTransforms() != that.numTransforms()) {
+ return false;
+ }
+ } else if (!this->hasSameTransforms(that)) {
+ return false;
+ }
+ if (!this->onIsEqual(that)) {
+ return false;
+ }
+ if (this->numChildProcessors() != that.numChildProcessors()) {
+ return false;
+ }
+ for (int i = 0; i < this->numChildProcessors(); ++i) {
+ if (!this->childProcessor(i).isEqual(that.childProcessor(i), ignoreCoordTransforms)) {
+ return false;
+ }
+ }
+ return true;
+}
+
void GrFragmentProcessor::addCoordTransform(const GrCoordTransform* transform) {
fCoordTransforms.push_back(transform);
fUsesLocalCoords = fUsesLocalCoords || transform->sourceCoords() == kLocal_GrCoordSet;