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-rw-r--r--backend/drm/drm.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/backend/drm/drm.c b/backend/drm/drm.c
index 9e5346a1..117e5749 100644
--- a/backend/drm/drm.c
+++ b/backend/drm/drm.c
@@ -634,6 +634,15 @@ static bool wlr_drm_connector_move_cursor(struct wlr_output *output,
return drm->iface->crtc_move_cursor(drm, conn->crtc, x, y);
}
+static void wlr_drm_connector_read_pixels(struct wlr_output *_output,
+ void *out_data) {
+ struct wlr_drm_output *output = (struct wlr_drm_output *)_output;
+ struct wlr_drm_crtc *crtc = output->crtc;
+ struct wlr_drm_plane *plane = crtc->primary;
+ glReadPixels(0, 0, plane->width, plane->height, GL_BGRA_EXT, GL_UNSIGNED_BYTE,
+ out_data);
+}
+
static void wlr_drm_connector_destroy(struct wlr_output *output) {
struct wlr_drm_connector *conn = (struct wlr_drm_connector *)output;
wlr_drm_connector_cleanup(conn);
@@ -652,6 +661,7 @@ static struct wlr_output_impl output_impl = {
.swap_buffers = wlr_drm_connector_swap_buffers,
.set_gamma = wlr_drm_connector_set_gamma,
.get_gamma_size = wlr_drm_connector_get_gamma_size,
+ .read_pixels = wlr_drm_connector_read_pixels,
};
static int retry_pageflip(void *data) {