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-rw-r--r--src/gui/egl/qeglproperties.cpp9
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;