GrAtlas refactor: Replace GrMaskFormat usage in GrAtlas with GrPixelConfig.

src/gpu/GrTextStrike.cpp

 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrAtlas.h"
 #include "GrGpu.h"
 #include "GrRectanizer.h"
@@ skipping 23 matching lines @@
     fCache.deleteAll();
     for (int i = 0; i < kMaskFormatCount; ++i) {
         delete fAtlasMgr[i];
     }
     fGpu->unref();
 #if FONT_CACHE_STATS
       GrPrintf("Num purges: %d\n", g_PurgeCount);
 #endif
 }
 
+static GrPixelConfig mask_format_to_pixel_config(GrMaskFormat format) {
+    switch (format) {
+        case kA8_GrMaskFormat:
+            return kAlpha_8_GrPixelConfig;
+        case kA565_GrMaskFormat:
+            return kRGB_565_GrPixelConfig;
+        case kA888_GrMaskFormat:
+            return kSkia8888_GrPixelConfig;
+        default:
+            SkDEBUGFAIL("unknown maskformat");
+    }
+    return kUnknown_GrPixelConfig;
+}
+
 GrTextStrike* GrFontCache::generateStrike(GrFontScaler* scaler,
                                           const Key& key) {
     GrMaskFormat format = scaler->getMaskFormat();
+    GrPixelConfig config = mask_format_to_pixel_config(format);
     if (NULL == fAtlasMgr[format]) {
-        fAtlasMgr[format] = SkNEW_ARGS(GrAtlasMgr, (fGpu, format));
+        fAtlasMgr[format] = SkNEW_ARGS(GrAtlasMgr, (fGpu, config));
     }
     GrTextStrike* strike = SkNEW_ARGS(GrTextStrike,
-                                      (this, scaler->getKey(),
-                                       scaler->getMaskFormat(), fAtlasMgr[format]));
+                                      (this, scaler->getKey(), format, fAtlasMgr[format]));
     fCache.insert(key, strike);
 
     if (fHead) {
         fHead->fPrev = strike;
     } else {
         SkASSERT(NULL == fTail);
         fTail = strike;
     }
     strike->fPrev = NULL;
     strike->fNext = fHead;
@@ skipping 195 matching lines @@
                                            glyph->height(), storage.get(),
                                            &glyph->fAtlasLocation);
     if (NULL == atlas) {
         return false;
     }
 
     glyph->fAtlas = atlas;
     atlas->setDrawToken(currentDrawToken);
     return true;
 }