Make fragment processor iterators work with range for loops.

When iterating over the coord transforms or texture samplers of a
FP also have access to the owning FP.

Pass a coord transform range to GPs rather than a pointer to an
iterator.

Change-Id: If7c829a67dce6600d7f49e12d6f49f685dcace3a
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/256216
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Michael Ludwig <michaelludwig@google.com>
diff --git a/src/gpu/effects/GrBitmapTextGeoProc.cpp b/src/gpu/effects/GrBitmapTextGeoProc.cpp
index 1cec0a1..5c710cc 100644
--- a/src/gpu/effects/GrBitmapTextGeoProc.cpp
+++ b/src/gpu/effects/GrBitmapTextGeoProc.cpp
@@ -76,7 +76,7 @@
     }
 
     void setData(const GrGLSLProgramDataManager& pdman, const GrPrimitiveProcessor& gp,
-                 FPCoordTransformIter&& transformIter) override {
+                 const CoordTransformRange& transformRange) override {
         const GrBitmapTextGeoProc& btgp = gp.cast<GrBitmapTextGeoProc>();
         if (btgp.color() != fColor && !btgp.hasVertexColor()) {
             pdman.set4fv(fColorUniform, 1, btgp.color().vec());
@@ -92,7 +92,7 @@
                         1.0f / atlasDimensions.fHeight);
             fAtlasDimensions = atlasDimensions;
         }
-        this->setTransformDataHelper(btgp.localMatrix(), pdman, &transformIter);
+        this->setTransformDataHelper(btgp.localMatrix(), pdman, transformRange);
     }
 
     static inline void GenKey(const GrGeometryProcessor& proc,