Discard scratch render targets before reusing them.
R=robertphillips@google.com
Author: bsalomon@google.com
Review URL: https://codereview.chromium.org/225183012
git-svn-id: http://skia.googlecode.com/svn/trunk@14075 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/GrContext.cpp b/src/gpu/GrContext.cpp
index 89548ab..8084557 100644
--- a/src/gpu/GrContext.cpp
+++ b/src/gpu/GrContext.cpp
@@ -457,6 +457,11 @@
// Ensure we have exclusive access to the texture so future 'find' calls don't return it
resource = fTextureCache->find(key, GrResourceCache::kHide_OwnershipFlag);
if (NULL != resource) {
+ // If the scratch texture is a render target, discard its contents.
+ GrRenderTarget* rt = static_cast<GrTexture*>(resource)->asRenderTarget();
+ if (NULL != rt) {
+ rt->discard();
+ }
resource->ref();
break;
}