From b411b3b87dcdfc124f7eec5581d510a5282a8563 Mon Sep 17 00:00:00 2001
From: bsalomon <bsalomon@google.com>
Date: Fri, 31 Jul 2015 09:34:24 -0700
Subject: [PATCH] Restore read pixels perf on ANGLE

BUG=chromium:513797

Review URL: https://codereview.chromium.org/1265003002
---
 src/gpu/gl/GrGLGpu.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/gpu/gl/GrGLGpu.cpp b/src/gpu/gl/GrGLGpu.cpp
index 3eee2f6..ec7b82a 100644
--- a/src/gpu/gl/GrGLGpu.cpp
+++ b/src/gpu/gl/GrGLGpu.cpp
@@ -1772,6 +1772,8 @@ bool GrGLGpu::onGetReadPixelsInfo(GrSurface* srcSurface, int width, int height,
 
     if (GR_GL_RGBA_8888_PIXEL_OPS_SLOW && kRGBA_8888_GrPixelConfig == readConfig) {
         tempDrawInfo->fTempSurfaceDesc.fConfig = kBGRA_8888_GrPixelConfig;
+        tempDrawInfo->fSwapRAndB = true;
+        ElevateDrawPreference(drawPreference, kGpuPrefersDraw_DrawPreference);
     } else if (kMesa_GrGLDriver == this->glContext().driver() &&
                GrBytesPerPixel(readConfig) == 4 &&
                GrPixelConfigSwapRAndB(readConfig) == srcConfig) {
-- 
2.7.4