egl/drm: Use modifiers for backbuffer creation

Split into a separate patch from the previous patch as requested by
Emil.

Requested-by: Emil Velikov <[email protected]>
Signed-off-by: Ben Widawsky <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]>

1 files changed, 15 insertions, 4 deletions

diff --git a/src/egl/drivers/dri2/platform_drm.c b/src/egl/drivers/dri2/platform_drm.c
index e5e8c605963..cf35ce8a1f2 100644
--- a/src/egl/drivers/dri2/platform_drm.c
+++ b/src/egl/drivers/dri2/platform_drm.c
@@ -230,10 +230,21 @@ get_back_bo(struct dri2_egl_surface *dri2_surf)
 
    if (dri2_surf->back == NULL)
       return -1;
-   if (dri2_surf->back->bo == NULL)
-      dri2_surf->back->bo = gbm_bo_create(&dri2_dpy->gbm_dri->base.base,
-					  surf->base.width, surf->base.height,
-					  surf->base.format, surf->base.flags);
+   if (dri2_surf->back->bo == NULL) {
+      if (surf->base.modifiers)
+         dri2_surf->back->bo = gbm_bo_create_with_modifiers(&dri2_dpy->gbm_dri->base.base,
+                                                            surf->base.width, surf->base.height,
+                                                            surf->base.format,
+                                                            surf->base.modifiers,
+                                                            surf->base.count);
+      else
+         dri2_surf->back->bo = gbm_bo_create(&dri2_dpy->gbm_dri->base.base,
+                                             surf->base.width,
+                                             surf->base.height,
+                                             surf->base.format,
+                                             surf->base.flags);
+
+   }
    if (dri2_surf->back->bo == NULL)
       return -1;