Commit 91c42093b248 ("glx: Duplicate relevant fbconfigs for
compositing visuals") adds many new depth 32 fbconfigs as
composite visuals. On a X-Screen running at depth 24, this
also adds bgra 10-10-10-2 fbconigs, as they also have
config.rgbBits == 32, but these are not displayable on a
depth 24 screen, leading to visually corrupted desktops
under some compositors, e.g., fdo bug 104597 "Compton
weird colors" when running compton with
"compton --backend glx".
Be more conservative for now and only select fbconfigs with
8 bpc red, green, blue components for composite visuals.
Fixes: 91c42093b248 ("glx: Duplicate relevant fbconfigs for
compositing visuals")
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=104597
Signed-off-by: Mario Kleiner <[email protected]>
Cc: Thomas Hellstrom <[email protected]>
Cc: Adam Jackson <[email protected]>
---
glx/glxdricommon.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/glx/glxdricommon.c b/glx/glxdricommon.c
index d3136e8..dbf199c 100644
--- a/glx/glxdricommon.c
+++ b/glx/glxdricommon.c
@@ -218,6 +218,9 @@ createModeFromConfig(const __DRIcoreExtension * core,
if (duplicateForComp &&
(render_type_is_pbuffer_only(renderType) ||
config->config.rgbBits != 32 ||
+ config->config.redBits != 8 ||
+ config->config.greenBits != 8 ||
+ config->config.blueBits != 8 ||
config->config.visualRating != GLX_NONE ||
config->config.sampleBuffers != 0)) {
free(config);
--
2.7.4
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