st/dri/sw: add drisw_api similarly to dri1_api

I am pretty sure that this is in gallium spirit, so commit. Thanks to Chia-I
for suggesting this.

1 files changed, 35 insertions, 0 deletions

diff --git a/src/gallium/include/state_tracker/drisw_api.h b/src/gallium/include/state_tracker/drisw_api.h
new file mode 100644
index 0000000000..c6adebb4ec
--- /dev/null
+++ b/src/gallium/include/state_tracker/drisw_api.h
@@ -0,0 +1,35 @@
+#ifndef _DRISW_API_H_
+#define _DRISW_API_H_
+
+#include "pipe/p_compiler.h"
+#include "pipe/p_screen.h"
+#include "pipe/p_format.h"
+
+#include "state_tracker/drm_api.h"
+
+struct pipe_screen;
+struct pipe_winsys;
+struct pipe_buffer;
+struct pipe_context;
+struct pipe_texture;
+
+struct dri_drawable;
+
+/**
+ * This callback struct is intended for the winsys to call the loader.
+ */
+
+struct drisw_loader_funcs
+{
+   void (*put_image) (struct dri_drawable *dri_drawable,
+                      void *data, unsigned width, unsigned height);
+};
+
+struct drisw_create_screen_arg
+{
+   struct drm_create_screen_arg base;
+
+   struct drisw_loader_funcs *lf;
+};
+
+#endif