From babafcc681de86801b15b4fe0ab856ce32048ff6 Mon Sep 17 00:00:00 2001
From: bsalomon <bsalomon@google.com>
Date: Tue, 16 Feb 2016 11:36:47 -0800
Subject: Workaround for bug in Tegra 3 when uploading to a render target

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1703603002

Review URL: https://codereview.chromium.org/1703603002
---
 src/gpu/gl/GrGLCaps.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/gpu/gl')

diff --git a/src/gpu/gl/GrGLCaps.cpp b/src/gpu/gl/GrGLCaps.cpp
index 6dc5ee8c4f..fd888d6c36 100644
--- a/src/gpu/gl/GrGLCaps.cpp
+++ b/src/gpu/gl/GrGLCaps.cpp
@@ -456,6 +456,12 @@ void GrGLCaps::init(const GrContextOptions& contextOptions,
         fUseDrawInsteadOfPartialRenderTargetWrite = true;
     }
 
+    // Texture uploads sometimes seem to be ignored to textures bound to FBOS on Tegra3.
+    if (kTegra3_GrGLRenderer == ctxInfo.renderer()) {
+        fUseDrawInsteadOfPartialRenderTargetWrite = true;
+        fUseDrawInsteadOfAllRenderTargetWrites = true;
+    }
+
 #ifdef SK_BUILD_FOR_WIN
     // On ANGLE deferring flushes can lead to GPU starvation
     fPreferVRAMUseOverFlushes = !isANGLE;
-- 
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