1 files changed, 57 insertions, 0 deletions
diff --git a/src/gallium/include/state_tracker/drm_api.h b/src/gallium/include/state_tracker/drm_api.h
new file mode 100644
index 0000000000..4572c7e042
--- /dev/null
+++ b/src/gallium/include/state_tracker/drm_api.h
@@ -0,0 +1,57 @@
+
+#ifndef _DRM_API_H_
+#define _DRM_API_H_
+
+#include "pipe/p_compiler.h"
+
+struct pipe_screen;
+struct pipe_winsys;
+struct pipe_context;
+struct pipe_resource;
+
+#define DRM_API_HANDLE_TYPE_SHARED 0
+#define DRM_API_HANDLE_TYPE_KMS    1
+
+/**
+ * For use with pipe_screen::{texture_from_handle|texture_get_handle}.
+ */
+struct winsys_handle
+{
+	/**
+	 * Unused for texture_from_handle, always
+	 * DRM_API_HANDLE_TYPE_SHARED.  Input to texture_get_handle,
+	 * use TEXTURE_USAGE to select handle for kms or ipc.
+	 */
+	unsigned type;
+	/**
+	 * Input to texture_from_handle.
+	 * Output for texture_get_handle.
+	 */
+	unsigned handle;
+	/**
+	 * Input to texture_from_handle.
+	 * Output for texture_get_handle.
+	 */
+	unsigned stride;
+};
+
+struct drm_api
+{
+	void (*destroy)(struct drm_api *api);
+
+        const char *name;
+
+	/**
+	 * Kernel driver name, as accepted by drmOpenByName.
+	 */
+	const char *driver_name;
+
+	/**
+	 * Create a pipe srcreen.
+	 */
+	struct pipe_screen* (*create_screen)(struct drm_api *api, int drm_fd);
+};
+
+extern struct drm_api * drm_api_create(void);
+
+#endif