Revert of Initial work to get ETC1 data up to the GPU

src/gpu/SkGr.cpp

Index: src/gpu/SkGr.cpp
diff --git a/src/gpu/SkGr.cpp b/src/gpu/SkGr.cpp
index 6a68c44be4c88b6c4625667c5d8b02b22bf6569d..6bd04dec3a841ac8186b8644ab212aca6512fba8 100644
--- a/src/gpu/SkGr.cpp
+++ b/src/gpu/SkGr.cpp
@@ -8,14 +8,9 @@
 #include "SkGr.h"
 #include "SkColorFilter.h"
 #include "SkConfig8888.h"
-#include "SkData.h"
 #include "SkMessageBus.h"
 #include "SkPixelRef.h"
 #include "GrResourceCache.h"
-#include "GrGpu.h"
-#include "GrDrawTargetCaps.h"
-
-#include "etc1.h"
 
 /*  Fill out buffer with the compressed format Ganesh expects from a colortable
  based bitmap. [palette (colortable) + indices].
@@ -127,48 +122,6 @@
 static void add_genID_listener(GrResourceKey key, SkPixelRef* pixelRef) {
     SkASSERT(NULL != pixelRef);
     pixelRef->addGenIDChangeListener(SkNEW_ARGS(GrResourceInvalidator, (key)));
-}
-
-static GrTexture *load_etc1_texture(GrContext* ctx,
-                                    const GrTextureParams* params,
-                                    const SkBitmap &bm, GrTextureDesc desc) {
-    SkData *data = bm.pixelRef()->refEncodedData();
-
-    // Is this even encoded data?
-    if (NULL == data) {
-        return NULL;
-    }
-
-    // Is this a valid PKM encoded data?
-    const uint8_t *bytes = data->bytes();
-    if (!etc1_pkm_is_valid(bytes)) {
-        return NULL;
-    }
-
-    uint32_t encodedWidth = etc1_pkm_get_width(bytes);
-    uint32_t encodedHeight = etc1_pkm_get_height(bytes);
-
-    // Does the data match the dimensions of the bitmap? If not,
-    // then we don't know how to scale the image to match it...
-    if (encodedWidth != static_cast<uint32_t>(bm.width()) ||
-        encodedHeight != static_cast<uint32_t>(bm.height())) {
-        return NULL;
-    }
-
-    // Everything seems good... skip ahead to the data.
-    bytes += ETC_PKM_HEADER_SIZE;
-    desc.fConfig = kETC1_GrPixelConfig;
-
-    // This texture is likely to be used again so leave it in the cache
-    GrCacheID cacheID;
-    generate_bitmap_cache_id(bm, &cacheID);
-
-    GrResourceKey key;
-    GrTexture* result = ctx->createTexture(params, desc, cacheID, bytes, 0, &key);
-    if (NULL != result) {
-        add_genID_listener(key, bm.pixelRef());
-    }
-    return result;
 }
 
 static GrTexture* sk_gr_create_bitmap_texture(GrContext* ctx,
@@ -219,13 +172,6 @@
             bitmap = &tmpBitmap;
             desc.fConfig = SkImageInfo2GrPixelConfig(bitmap->info());
         }
-
-    // Is this an ETC1 encoded texture?
-    } else if (cache && ctx->getGpu()->caps()->isConfigTexturable(kETC1_GrPixelConfig)) {
-        GrTexture *texture = load_etc1_texture(ctx, params, *bitmap, desc);
-        if (NULL != texture) {
-            return texture;
-        }
     }
 
     SkAutoLockPixels alp(*bitmap);