Fix the Facebook sidebar....

skia/sgl/SkBitmapProcState_matrix.h

Index: skia/sgl/SkBitmapProcState_matrix.h
===================================================================
--- skia/sgl/SkBitmapProcState_matrix.h	(revision 9831)
+++ skia/sgl/SkBitmapProcState_matrix.h	(working copy)
@@ -1,4 +1,5 @@
 
+#define TRANSLATE_NOFILTER_NAME MAKENAME(_nofilter_translate)
 #define SCALE_NOFILTER_NAME     MAKENAME(_nofilter_scale)
 #define SCALE_FILTER_NAME       MAKENAME(_filter_scale)
 #define AFFINE_NOFILTER_NAME    MAKENAME(_nofilter_affine)
@@ -17,6 +18,38 @@
     #define PREAMBLE_ARG_Y
 #endif
 
+#ifndef PREAMBLE_TRANS
+    #define PREAMBLE_TRANS(state)
+#endif
+
+static void TRANSLATE_NOFILTER_NAME(const SkBitmapProcState& s,
+                                    uint32_t xy[], int count, int x, int y)
+{
+    SkASSERT((s.fInvType & ~SkMatrix::kTranslate_Mask) == 0);
+
+    PREAMBLE_TRANS(s);
+
+    x += SkScalarFloor(s.fInvMatrix->getTranslateX());
+    y += SkScalarFloor(s.fInvMatrix->getTranslateY());
+
+    *xy++ = (uint32_t)TILEY_TRANS(y, (s.fBitmap->height() - 1));
+    
+    unsigned maxX = s.fBitmap->width() - 1;
+    int i;
+    uint16_t* xx = (uint16_t*)xy;
+    for (i = (count >> 2); i > 0; --i)
+    {
+        *xx++ = (uint16_t)TILEX_TRANS(x, maxX); x++;
+        *xx++ = (uint16_t)TILEX_TRANS(x, maxX); x++;
+        *xx++ = (uint16_t)TILEX_TRANS(x, maxX); x++;
+        *xx++ = (uint16_t)TILEX_TRANS(x, maxX); x++;
+    }
+    for (i = (count & 3); i > 0; --i)
+    {
+        *xx++ = (uint16_t)TILEX_TRANS(x, maxX); x++;
+    }
+}
+
 static void SCALE_NOFILTER_NAME(const SkBitmapProcState& s,
                                 uint32_t xy[], int count, int x, int y) {
     SkASSERT((s.fInvType & ~(SkMatrix::kTranslate_Mask |
@@ -241,6 +274,9 @@
 }
 
 static SkBitmapProcState::MatrixProc MAKENAME(_Procs)[] = {
+    TRANSLATE_NOFILTER_NAME,
+    TRANSLATE_NOFILTER_NAME,    // No need to do filtering if the matrix is no
+                                // more complex than identity/translate.
     SCALE_NOFILTER_NAME,
     SCALE_FILTER_NAME,
     AFFINE_NOFILTER_NAME,
@@ -256,6 +292,10 @@
     #undef CHECK_FOR_DECAL
 #endif
 
+#undef TILEX_TRANS
+#undef TILEY_TRANS
+
+#undef TRANSLATE_NOFILTER_NAME
 #undef SCALE_NOFILTER_NAME
 #undef SCALE_FILTER_NAME
 #undef AFFINE_NOFILTER_NAME
@@ -269,5 +309,7 @@
 #undef PREAMBLE_ARG_X
 #undef PREAMBLE_ARG_Y
 
+#undef PREAMBLE_TRANS
+
 #undef TILEX_LOW_BITS
 #undef TILEY_LOW_BITS