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-rw-r--r--src/gallium/include/state_tracker/drm_driver.h71
1 files changed, 71 insertions, 0 deletions
diff --git a/src/gallium/include/state_tracker/drm_driver.h b/src/gallium/include/state_tracker/drm_driver.h
new file mode 100644
index 0000000000..d94c1e6a7c
--- /dev/null
+++ b/src/gallium/include/state_tracker/drm_driver.h
@@ -0,0 +1,71 @@
+
+#ifndef _DRM_DRIVER_H_
+#define _DRM_DRIVER_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_driver_descriptor
+{
+ /**
+ * Identifying sufix/prefix of the binary, used by egl.
+ */
+ const char *name;
+
+ /**
+ * Kernel driver name, as accepted by drmOpenByName.
+ */
+ const char *driver_name;
+
+ /**
+ * Create a pipe srcreen.
+ *
+ * This function does any wrapping of the screen.
+ * For example wrapping trace or rbug debugging drivers around it.
+ */
+ struct pipe_screen* (*create_screen)(int drm_fd);
+};
+
+extern struct drm_driver_descriptor driver_descriptor;
+
+/**
+ * Instantiate a drm_driver_descriptor struct.
+ */
+#define DRM_DRIVER_DESCRIPTOR(name_str, driver_name_str, func) \
+struct drm_driver_descriptor driver_descriptor = { \
+ .name = name_str, \
+ .driver_name = driver_name_str, \
+ .create_screen = func, \
+};
+
+#endif