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From 92e9fcc25c62870c383c8558d576abc509a8c683 Mon Sep 17 00:00:00 2001
From: Tom Cooksey <thomas.cooksey@nokia.com>
Date: Fri, 4 Dec 2009 19:42:07 +0100
Subject: [PATCH 0945/1244] Add EGL_BUFFER_SIZE to QEglProperties::reduceConfiguration()
Reviewed-by: Trustme
---
src/gui/egl/qeglproperties.cpp | 9 +++++++++
1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/src/gui/egl/qeglproperties.cpp b/src/gui/egl/qeglproperties.cpp
index 2d37edb..4d4410a 100644
--- a/src/gui/egl/qeglproperties.cpp
+++ b/src/gui/egl/qeglproperties.cpp
@@ -229,6 +229,15 @@ void QEglProperties::setRenderableType(QEgl::API api)
// reductions in complexity are possible.
bool QEglProperties::reduceConfiguration()
{
+ // EGL chooses configs with the highest color depth over
+ // those with smaller (but faster) lower color depths. One
+ // way around this is to set EGL_BUFFER_SIZE to 16, which
+ // trumps the others. Of course, there may not be a 16-bit
+ // config avaliable, so it's the first restraint we remove.
+ if (value(EGL_BUFFER_SIZE) == 16) {
+ removeValue(EGL_BUFFER_SIZE);
+ return true;
+ }
if (removeValue(EGL_SAMPLE_BUFFERS)) {
removeValue(EGL_SAMPLES);
return true;
--
1.6.5
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