render/pixel_format: introduce pixel format info table

1 files changed, 23 insertions, 0 deletions

diff --git a/include/render/pixel_format.h b/include/render/pixel_format.h
new file mode 100644
index 00000000..8814bd82
--- /dev/null
+++ b/include/render/pixel_format.h
@@ -0,0 +1,23 @@
+#ifndef RENDER_PIXEL_FORMAT_H
+#define RENDER_PIXEL_FORMAT_H
+
+#include <wayland-server-protocol.h>
+
+struct wlr_pixel_format_info {
+	uint32_t drm_format;
+
+	/* Equivalent of the format if it has an alpha channel,
+	 * DRM_FORMAT_INVALID (0) if NA
+	 */
+	uint32_t opaque_substitute;
+
+	/* Bits per pixels */
+	uint32_t bpp;
+
+	/* True if the format has an alpha channel */
+	bool has_alpha;
+};
+
+const struct wlr_pixel_format_info *drm_get_pixel_format_info(uint32_t fmt);
+
+#endif