Initial commit

Can display a single PNG image scaled-to-fit on all outputs.

1 files changed, 25 insertions, 0 deletions

diff --git a/shm.h b/shm.h
new file mode 100644
index 0000000..54d9674
--- /dev/null
+++ b/shm.h
@@ -0,0 +1,25 @@
+#pragma once
+
+#include <stdbool.h>
+#include <stddef.h>
+
+#include <pixman.h>
+#include <wayland-client.h>
+
+struct buffer {
+    int width;
+    int height;
+    int stride;
+    unsigned long cookie;
+
+    bool busy;
+    bool purge;
+    size_t size;
+    void *mmapped;
+
+    struct wl_buffer *wl_buf;
+    pixman_image_t *pix;
+};
+
+struct buffer *shm_get_buffer(struct wl_shm *shm, int width, int height, unsigned long cookie);
+void shm_fini(void);