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egl: Fixes transparency with EGL and X11.

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This commit does this by allowing both RGB and RGBA visuals to match with
EGL configs. We also expose the `EGL_MESA_config_select_group` egl
extension, which is similar to GLX's visual select group extension, to
allow the RGBA visuals to get less priority.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=67676
Fixes: 049f343e8ac "egl: Allow 24-bit visuals for 32-bit RGBA8888 configs"
Cc: mesa-stable@lists.freedesktop.org
Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Hal Gentz <zegentzy@protonmail.com>
This commit is contained in:
Hal Gentz
2019-10-10 18:35:50 -06:00
committed by Adam Jackson
parent 173bc9d684
commit 90a19074b4
8 changed files with 37 additions and 18 deletions
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include/GL/internal/dri_interface.h
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@@ -813,7 +813,8 @@ struct __DRIuseInvalidateExtensionRec {
#define __DRI_ATTRIB_GREEN_SHIFT 51
#define __DRI_ATTRIB_BLUE_SHIFT 52
#define __DRI_ATTRIB_ALPHA_SHIFT 53
#define __DRI_ATTRIB_MAX 54
#define __DRI_ATTRIB_CONFIG_SELECT_GROUP 54
#define __DRI_ATTRIB_MAX 55
/* __DRI_ATTRIB_RENDER_TYPE */
#define __DRI_ATTRIB_RGBA_BIT 0x01