commit 28361fad1054d59ed4e6a320c7a8b8782a1487c7
author commit-bot@chromium.org <commit-bot@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81> Fri Mar 28 16:08:05 2014 +0000
committer commit-bot@chromium.org <commit-bot@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81> Fri Mar 28 16:08:05 2014 +0000
tree 77f1c92c7524c79802157e152429b14cf1e81d06
parent ba0c5ea90d0e6b2e8b20696e54fea13ead6dda93

Add discard API to SkCanvas, plumb it to glDiscardFramebuffer()


BUG=skia:2349
R=robertphillips@google.com, reed@google.com

Author: bsalomon@google.com

Review URL: https://codereview.chromium.org/211683002

git-svn-id: http://skia.googlecode.com/svn/trunk@13976 2bbb7eff-a529-9590-31e7-b0007b416f81

src/gpu/GrContext.cpp

diff --git a/src/gpu/GrContext.cpp b/src/gpu/GrContext.cpp
index 3a2bbe8..c26327e 100644
--- a/src/gpu/GrContext.cpp
+++ b/src/gpu/GrContext.cpp
@@ -1440,6 +1440,14 @@
     fGpu->resolveRenderTarget(target);
 }
 
+void GrContext::discardRenderTarget(GrRenderTarget* target) {
+    SkASSERT(target);
+    ASSERT_OWNED_RESOURCE(target);
+    AutoRestoreEffects are;
+    AutoCheckFlush acf(this);
+    this->prepareToDraw(NULL, BUFFERED_DRAW, &are, &acf)->discard(target);
+}
+
 void GrContext::copyTexture(GrTexture* src, GrRenderTarget* dst, const SkIPoint* topLeft) {
     if (NULL == src || NULL == dst) {
         return;