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backend/drm: fix GBM format mismatch

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We create the EGL config with GBM_FORMAT_ARGB8888, but then initialize GBM BOs
with GBM_FORMAT_XRGB8888. This mismatch confuses Mesa.

Instead, we can always use GBM_FORMAT_ARGB8888, and use DRM_FORMAT_XRGB8888
when calling drmModeAddFB2.

Fixes https://github.com/swaywm/wlroots/issues/1438
This commit is contained in:
emersion 2019-01-29 12:04:12 +01:00
parent 018727b1fc
commit ee293fab58
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7 changed files with 46 additions and 15 deletions
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3
backend/drm/atomic.c
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@ -172,7 +172,8 @@ static bool atomic_crtc_set_cursor(struct wlr_drm_backend *drm,
atomic_begin(crtc, &atom);
if (bo) {
set_plane_props(&atom, plane, crtc->id, get_fb_for_bo(bo), false);
uint32_t fb_id = get_fb_for_bo(bo, plane->drm_format);
set_plane_props(&atom, plane, crtc->id, fb_id, false);
} else {
atomic_add(&atom, plane->id, plane->props.fb_id, 0);
atomic_add(&atom, plane->id, plane->props.crtc_id, 0);