From ec30933c1d12090de26888c4604a41cb032c56bf Mon Sep 17 00:00:00 2001
From: Jason Sams <rjsams@android.com>
Date: Wed, 12 Jan 2011 15:26:25 -0800
Subject: [PATCH] WAR driver bug where surfaces of size 0 fail.

Change-Id: I72b356c4cfb71f2342479ca21238b763d02e729d
---
 libs/rs/rsContext.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libs/rs/rsContext.cpp b/libs/rs/rsContext.cpp
index c5ee7ee98622e..bb38825e12ee3 100644
--- a/libs/rs/rsContext.cpp
+++ b/libs/rs/rsContext.cpp
@@ -743,7 +743,9 @@ void Context::setSurface(uint32_t w, uint32_t h, ANativeWindow *sur) {
     rsAssert(mIsGraphicsContext);
 
     EGLBoolean ret;
-    if (mEGL.mSurface != NULL) {
+    // WAR: Some drivers fail to handle 0 size surfaces correcntly.
+    // Use the pbuffer to avoid this pitfall.
+    if ((mEGL.mSurface != NULL) || (w == 0) || (h == 0)) {
         ret = eglMakeCurrent(mEGL.mDisplay, mEGL.mSurfaceDefault, mEGL.mSurfaceDefault, mEGL.mContext);
         checkEglError("eglMakeCurrent", ret);