Revert "Remove compressed (ETC1) texture support from Ganesh"

This reverts commit ee26363aaae62db2a851f2873e2405a9cf7f995a.

Reason for revert: Failing Google 3 roll.

Original change's description:
> Remove compressed (ETC1) texture support from Ganesh
> 
> Change-Id: If4cf286df87ea87338aba47001d90a5fcc4f2667
> Reviewed-on: https://skia-review.googlesource.com/17456
> Commit-Queue: Robert Phillips <robertphillips@google.com>
> Reviewed-by: Brian Salomon <bsalomon@google.com>
> 

TBR=bsalomon@google.com,robertphillips@google.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Change-Id: Ie1a57187287e03600a69e374501478e93c41415c
Reviewed-on: https://skia-review.googlesource.com/17527
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/src/gpu/GrTextureProducer.cpp b/src/gpu/GrTextureProducer.cpp
index b9e7dfc9b6..75796b1aa4 100644
--- a/src/gpu/GrTextureProducer.cpp
+++ b/src/gpu/GrTextureProducer.cpp
@@ -23,10 +23,12 @@ sk_sp<GrTextureProxy> GrTextureProducer::CopyOnGpu(GrContext* context,
     SkASSERT(!subset || !subset->isEmpty());
     SkASSERT(context);
 
+    GrPixelConfig config = GrMakePixelConfigUncompressed(inputProxy->config());
+
     const SkRect dstRect = SkRect::MakeIWH(copyParams.fWidth, copyParams.fHeight);
 
     sk_sp<GrRenderTargetContext> copyRTC = context->makeDeferredRenderTargetContextWithFallback(
-        SkBackingFit::kExact, dstRect.width(), dstRect.height(), inputProxy->config(), nullptr);
+        SkBackingFit::kExact, dstRect.width(), dstRect.height(), config, nullptr);
     if (!copyRTC) {
         return nullptr;
     }