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.

2 files changed, 39 insertions, 4 deletions

diff --git a/src/gallium/include/state_tracker/dri1_api.h b/src/gallium/include/state_tracker/dri1_api.h
index 27b7a28c46..bb1cd6d1d8 100644
--- a/src/gallium/include/state_tracker/dri1_api.h
+++ b/src/gallium/include/state_tracker/dri1_api.h
@@ -7,14 +7,14 @@
 
 #include "state_tracker/drm_api.h"
 
-struct drm_clip_rect;
-
 struct pipe_screen;
 struct pipe_winsys;
 struct pipe_buffer;
 struct pipe_context;
 struct pipe_texture;
 
+struct drm_clip_rect;
+
 struct dri1_api_version
 {
    int major;
@@ -31,8 +31,8 @@ struct dri1_api_lock_funcs
 {
    void (*lock) (struct pipe_context * pipe);
    void (*unlock) (struct pipe_context * locked_pipe);
-      boolean(*is_locked) (struct pipe_context * locked_pipe);
-      boolean(*is_lock_lost) (struct pipe_context * locked_pipe);
+   boolean(*is_locked) (struct pipe_context * locked_pipe);
+   boolean(*is_lock_lost) (struct pipe_context * locked_pipe);
    void (*clear_lost_lock) (struct pipe_context * locked_pipe);
 };
 
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