Similar to the matching of 24 bit RGB visuals to 32-bit
RGBA EGLConfigs.
Fixes failure of piglit egl tests to select ARGB2101010
visuals via eglChooseConfig() with EGL_ALPHA_BITS 2 on
a depth 30 X-Screen.
Signed-off-by: Mario Kleiner <mario.kleiner...@gmail.com>
---
src/egl/drivers/dri2/platform_x11.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/egl/drivers/dri2/platform_x11.c
b/src/egl/drivers/dri2/platform_x11.c
index 062c8a4..df768ab 100644
--- a/src/egl/drivers/dri2/platform_x11.c
+++ b/src/egl/drivers/dri2/platform_x11.c
@@ -781,13 +781,14 @@ dri2_x11_add_configs_for_visuals(struct dri2_egl_display
*dri2_dpy,
config_count++;
/* Allow a 24-bit RGB visual to match a 32-bit RGBA EGLConfig.
+ * Ditto for 30-bit RGB visuals to match a 32-bit RGBA EGLConfig.
* Otherwise it will only match a 32-bit RGBA visual. On a
* composited window manager on X11, this will make all of the
* EGLConfigs with destination alpha get blended by the
* compositor. This is probably not what the application
* wants... especially on drivers that only have 32-bit RGBA
* EGLConfigs! */
- if (d.data->depth == 24) {
+ if (d.data->depth == 24 || d.data->depth == 30) {
rgba_masks[3] =
~(rgba_masks[0] | rgba_masks[1] | rgba_masks[2]);
dri2_conf = dri2_add_config(disp, config, config_count + 1,
--
2.7.4
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