YUV scale fix

gm/yuvtorgbeffect.cpp

Index: gm/yuvtorgbeffect.cpp
diff --git a/gm/yuvtorgbeffect.cpp b/gm/yuvtorgbeffect.cpp
index fb0c67d3d10240f59bd140690160470d726360fc..68abcf64b6f26f5e947648141ac143e0c91efd5b 100644
--- a/gm/yuvtorgbeffect.cpp
+++ b/gm/yuvtorgbeffect.cpp
@@ -19,6 +19,8 @@
 #include "SkGr.h"
 #include "SkGradientShader.h"
 
+#define IMAGE_SIZE 24
+
 namespace skiagm {
 /**
  * This GM directly exercises GrYUVtoRGBEffect.
@@ -39,7 +41,7 @@ protected:
     }
 
     void onOnceBeforeDraw() SK_OVERRIDE {
-        SkImageInfo info = SkImageInfo::MakeA8(24, 24);
+        SkImageInfo info = SkImageInfo::MakeA8(IMAGE_SIZE, IMAGE_SIZE);
         fBmp[0].allocPixels(info);
         fBmp[1].allocPixels(info);
         fBmp[2].allocPixels(info);
@@ -89,6 +91,9 @@ protected:
         static const SkScalar kDrawPad = 10.f;
         static const SkScalar kTestPad = 10.f;
         static const SkScalar kColorSpaceOffset = 64.f;
+        SkISize sizes[3] = {{IMAGE_SIZE, IMAGE_SIZE},
+                            {IMAGE_SIZE, IMAGE_SIZE},
+                            {IMAGE_SIZE, IMAGE_SIZE}};
 
         for (int space = kJPEG_SkYUVColorSpace; space <= kLastEnum_SkYUVColorSpace;
              ++space) {
@@ -105,9 +110,10 @@ protected:
             for (int i = 0; i < 6; ++i) {
                 SkAutoTUnref<GrFragmentProcessor> fp(
                             GrYUVtoRGBEffect::Create(texture[indices[i][0]],
-                                                    texture[indices[i][1]],
-                                                    texture[indices[i][2]],
-                                                    static_cast<SkYUVColorSpace>(space)));
+                                                     texture[indices[i][1]],
+                                                     texture[indices[i][2]],
+                                                     sizes,
+                                                     static_cast<SkYUVColorSpace>(space)));
                 if (fp) {
                     SkMatrix viewMatrix;
                     viewMatrix.setTranslate(x, y);