Make GPU coord transforms automatic

src/gpu/GrEffect.cpp

Index: src/gpu/GrEffect.cpp
diff --git a/src/gpu/GrEffect.cpp b/src/gpu/GrEffect.cpp
index 53dabb619c063e30dbf842c8d9df6e22ed7f03c6..653a1da33cb4c2226cf340e7d2e780871d18de39 100644
--- a/src/gpu/GrEffect.cpp
+++ b/src/gpu/GrEffect.cpp
@@ -8,6 +8,7 @@
 #include "GrEffect.h"
 #include "GrBackendEffectFactory.h"
 #include "GrContext.h"
+#include "GrCoordTransform.h"
 #include "GrMemoryPool.h"
 #include "SkTLS.h"
 
@@ -86,6 +87,10 @@ const char* GrEffect::name() const {
     return this->getFactory().name();
 }
 
+void GrEffect::addCoordTransform(const GrCoordTransform* transform) {
+    fCoordTransforms.push_back(transform);
+}
+
 void GrEffect::addTextureAccess(const GrTextureAccess* access) {
     fTextureAccesses.push_back(access);
 }
@@ -97,3 +102,16 @@ void* GrEffect::operator new(size_t size) {
 void GrEffect::operator delete(void* target) {
     GrEffect_Globals::GetTLS()->release(target);
 }
+
+#ifdef SK_DEBUG
+void GrEffect::assertEquality(const GrEffect& other) const {
+    SkASSERT(this->numTransforms() == other.numTransforms());
+    for (int i = 0; i < this->numTransforms(); ++i) {
+        SkASSERT(this->coordTransform(i) == other.coordTransform(i));
+    }
+    SkASSERT(this->numTextures() == other.numTextures());
+    for (int i = 0; i < this->numTextures(); ++i) {
+        SkASSERT(this->textureAccess(i) == other.textureAccess(i));
+    }
+}
+#endif