initial changes to add local matrix to primitive processor

gm/coloremoji.cpp

Index: gm/coloremoji.cpp
diff --git a/gm/coloremoji.cpp b/gm/coloremoji.cpp
index 2eab864c0df1fb96ec6e3e8117cabb5d6d7d5fa7..825003a60b9df5ad92b3acf01063b457b0a4f5be 100644
--- a/gm/coloremoji.cpp
+++ b/gm/coloremoji.cpp
@@ -12,6 +12,19 @@
 #include "SkStream.h"
 #include "SkTypeface.h"
 
+#include "SkGradientShader.h"
+
+/*
+ * Spits out a dummy gradient to test blur with shader on paint
+ */
+static SkShader* MakeLinear() {
+    static const SkPoint     kPts[] = { { 0, 0 }, { 32, 32 } };
+    static const SkScalar    kPos[] = { 0, SK_Scalar1/2, SK_Scalar1 };
+    static const SkColor kColors[] = {0x80F00080, 0xF0F08000, 0x800080F0 };
+    return SkGradientShader::CreateLinear(kPts, kColors, kPos,
+                                          SK_ARRAY_COUNT(kColors), SkShader::kClamp_TileMode);
+}
+
 namespace skiagm {
 
 class ColorEmojiGM : public GM {
@@ -40,7 +53,7 @@ protected:
     }
 
     virtual SkISize onISize() {
-        return SkISize::Make(640, 480);
+        return SkISize::Make(640, 540);
     }
 
     virtual void onDraw(SkCanvas* canvas) {
@@ -53,16 +66,21 @@ protected:
         const char* text = "hamburgerfons";
 
         // draw text at different point sizes
-        const int textSize[] = { 10, 30, 50 };
-        const int textYOffset[] = { 10, 40, 100};
+        const int textSize[] = { 10, 10, 30, 30, 50, 50 };
+        const int textYOffset[] = { 10, 25, 50, 85, 130, 190};
         SkASSERT(sizeof(textSize) == sizeof(textYOffset));
-        for (size_t y = 0; y < sizeof(textSize) / sizeof(int); ++y) {
-            paint.setTextSize(SkIntToScalar(textSize[y]));
-            canvas->drawText(text, strlen(text), 10, SkIntToScalar(textYOffset[y]), paint);
+        for (size_t y = 0; y < sizeof(textSize) / sizeof(int); y += 2) {
+            SkPaint localPaint;
+            localPaint.setTypeface(fTypeface);
+            localPaint.setTextSize(SkIntToScalar(textSize[y]));
+            canvas->drawText(text, strlen(text), 10, SkIntToScalar(textYOffset[y]), localPaint);
+            // attach a shader to the paint to test fall back
+            localPaint.setShader(MakeLinear())->unref();
+            canvas->drawText(text, strlen(text), 10, SkIntToScalar(textYOffset[y + 1]), localPaint);
         }
 
         // setup work needed to draw text with different clips
-        canvas->translate(10, 160);
+        canvas->translate(10, 250);
         paint.setTextSize(40);
 
         // compute the bounds of the text