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backend/drm: use atomic test-only commits for direct scan-out 

This allows callers to use wlr_output_test to figure out whether a
buffer can be scanned out prior to committing the output.
This commit is contained in:
Simon Ser 2021-04-06 15:40:08 +02:00
parent 7efc2d05b7
commit d0bf750916
1 changed files with 3 additions and 5 deletions
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8
backend/drm/drm.c
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@ -399,13 +399,11 @@ static bool test_buffer(struct wlr_drm_connector *conn,
return false; return false;
} }
struct wlr_drm_fb *fb = NULL; if (!drm_fb_import(&crtc->primary->pending_fb, drm, wlr_buffer,
if (!drm_fb_import(&fb, drm, wlr_buffer, &crtc->primary->formats)) { &crtc->primary->formats)) {
return false; return false;
} }
drm_fb_clear(&fb); return drm_crtc_commit(conn, DRM_MODE_ATOMIC_TEST_ONLY);
return true;
} }
static bool drm_connector_test(struct wlr_output *output) { static bool drm_connector_test(struct wlr_output *output) {