feat: add box shadows (#16)

1 files changed, 18 insertions, 0 deletions

diff --git a/types/fx/shadow_data.c b/types/fx/shadow_data.c
new file mode 100644
index 0000000..0c2d1d2
--- /dev/null
+++ b/types/fx/shadow_data.c
@@ -0,0 +1,18 @@
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+#include "types/fx/shadow_data.h"
+#include "wlr/util/log.h"
+
+struct shadow_data shadow_data_get_default(void) {
+	static float default_shadow_color[] = {0.0f, 0.0f, 0.0f, 0.5f};
+	return (struct shadow_data) {
+		.blur_sigma = 20,
+		.color = default_shadow_color,
+		.enabled = false,
+	};
+}
+
+bool scene_buffer_has_shadow(struct shadow_data *data) {
+	return data->enabled && data->blur_sigma > 0 && data->color[3] > 0.0;
+}