backend/wayland: implement get_cursor_formats

backend/wayland/output.c

@@ -20,6 +20,7 @@
 #include "render/pixel_format.h"
 #include "render/swapchain.h"
 #include "render/wlr_renderer.h"
+#include "types/wlr_buffer.h"
 #include "util/signal.h"
 
 #include "linux-dmabuf-unstable-v1-client-protocol.h"
@@ -510,6 +511,17 @@ static bool output_set_cursor(struct wlr_output *wlr_output,
 	return true;
 }
 
+static const struct wlr_drm_format_set *output_get_cursor_formats(
+		struct wlr_output *wlr_output, uint32_t buffer_caps) {
+	struct wlr_wl_output *output = get_wl_output_from_output(wlr_output);
+	if (buffer_caps & WLR_BUFFER_CAP_DMABUF) {
+		return &output->backend->linux_dmabuf_v1_formats;
+	} else if (buffer_caps & WLR_BUFFER_CAP_SHM) {
+		return &output->backend->shm_formats;
+	}
+	return NULL;
+}
+
 static void output_destroy(struct wlr_output *wlr_output) {
 	struct wlr_wl_output *output = get_wl_output_from_output(wlr_output);
 	if (output == NULL) {
@@ -569,6 +581,7 @@ static const struct wlr_output_impl output_impl = {
 	.rollback_render = output_rollback_render,
 	.set_cursor = output_set_cursor,
 	.move_cursor = output_move_cursor,
+	.get_cursor_formats = output_get_cursor_formats,
 };
 
 bool wlr_output_is_wl(struct wlr_output *wlr_output) {