Minor changes to GrFontCache system

src/gpu/GrTextStrike.cpp

Index: src/gpu/GrTextStrike.cpp
===================================================================
--- src/gpu/GrTextStrike.cpp	(revision 14007)
+++ src/gpu/GrTextStrike.cpp	(working copy)
@@ -16,6 +16,15 @@
 
 ///////////////////////////////////////////////////////////////////////////////
 
+#define GR_ATLAS_TEXTURE_WIDTH 1024
+#define GR_ATLAS_TEXTURE_HEIGHT 2048
+
+#define GR_PLOT_WIDTH  256
+#define GR_PLOT_HEIGHT 256
+
+#define GR_NUM_PLOTS_X   (GR_ATLAS_TEXTURE_WIDTH / GR_PLOT_WIDTH)
+#define GR_NUM_PLOTS_Y   (GR_ATLAS_TEXTURE_HEIGHT / GR_PLOT_HEIGHT)
+
 #define FONT_CACHE_STATS 0
 #if FONT_CACHE_STATS
 static int g_PurgeCount = 0;
@@ -72,7 +81,12 @@
     GrPixelConfig config = mask_format_to_pixel_config(format);
     int atlasIndex = mask_format_to_atlas_index(format);
     if (NULL == fAtlasMgr[atlasIndex]) {
-        fAtlasMgr[atlasIndex] = SkNEW_ARGS(GrAtlasMgr, (fGpu, config));
+        SkISize textureSize = SkISize::Make(GR_ATLAS_TEXTURE_WIDTH,
+                                            GR_ATLAS_TEXTURE_HEIGHT);
+        fAtlasMgr[atlasIndex] = SkNEW_ARGS(GrAtlasMgr, (fGpu, config,
+                                                        textureSize,
+                                                        GR_NUM_PLOTS_X,
+                                                        GR_NUM_PLOTS_Y));
     }
     GrTextStrike* strike = SkNEW_ARGS(GrTextStrike,
                                       (this, scaler->getKey(), format, fAtlasMgr[atlasIndex]));