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Diffstat (limited to 'backend/drm/drm.c')
-rw-r--r--backend/drm/drm.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/backend/drm/drm.c b/backend/drm/drm.c
index 90695175..066edd67 100644
--- a/backend/drm/drm.c
+++ b/backend/drm/drm.c
@@ -111,8 +111,10 @@ static void wlr_drm_output_end(struct wlr_output_state *output) {
}
uint32_t fb_id = get_fb_for_bo(renderer->fd, bo);
drmModePageFlip(renderer->fd, output->crtc, fb_id, DRM_MODE_PAGE_FLIP_EVENT, output);
- gbm_surface_release_buffer(output->gbm, bo);
output->pageflip_pending = true;
+
+ output->bo_last = output->bo_current;
+ output->bo_current = bo;
}
void wlr_drm_output_start_renderer(struct wlr_output_state *output) {
@@ -140,7 +142,8 @@ void wlr_drm_output_start_renderer(struct wlr_output_state *output) {
drmModePageFlip(renderer->fd, output->crtc, fb_id,
DRM_MODE_PAGE_FLIP_EVENT, output);
- gbm_surface_release_buffer(output->gbm, bo);
+ output->bo_last = NULL;
+ output->bo_current = bo;
}
static bool display_init_renderer(struct wlr_drm_renderer *renderer,
@@ -517,6 +520,11 @@ static void page_flip_handler(int fd, unsigned seq,
struct wlr_backend_state *state =
wl_container_of(output->renderer, state, renderer);
+ if (output->bo_last) {
+ gbm_surface_release_buffer(output->gbm, output->bo_last);
+ output->bo_last = NULL;
+ }
+
output->pageflip_pending = false;
if (output->state == DRM_OUTPUT_CONNECTED) {
wlr_drm_output_begin(output);