From bdb68b9997cf50d1ad4803ca830ae4dc4530e502 Mon Sep 17 00:00:00 2001
From: "jbauman@chromium.org"
<jbauman@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>
Date: Fri, 8 Nov 2013 09:33:44 +0000
Subject: Use software renderer for windows with an initial size less than
64x64
If the width or height of a window is less than 64 pixels then some AMD drivers have problems presenting from them, so composite those windows in software.
BUG=286609
Review URL: https://codereview.chromium.org/59913008
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@233845 0039d316-1c4b-4281-b951-d872f2087c98
---
ui/aura/root_window.cc | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
(limited to 'ui/aura/root_window.cc')
diff --git a/ui/aura/root_window.cc b/ui/aura/root_window.cc
index 374ec07..419cd4a 100644
--- a/ui/aura/root_window.cc
+++ b/ui/aura/root_window.cc
@@ -155,7 +155,13 @@ RootWindow::RootWindow(const CreateParams& params)
set_dispatcher(this);
SetName("RootWindow");
- compositor_.reset(new ui::Compositor(host_->GetAcceleratedWidget()));
+ // Some GPUs have trouble drawing windows that are less than 64 pixels wide
+ // or tall, so force those windows to use the software renderer.
+ // http://crbug.com/286609
+ bool use_software_renderer =
+ params.initial_bounds.width() < 64 || params.initial_bounds.height() < 64;
+ compositor_.reset(
+ new ui::Compositor(use_software_renderer, host_->GetAcceleratedWidget()));
DCHECK(compositor_.get());
prop_.reset(new ui::ViewProp(host_->GetAcceleratedWidget(),
--
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