gallium: added st_bind/release_teximage() functions

1 files changed, 13 insertions, 0 deletions

diff --git a/src/mesa/state_tracker/st_public.h b/src/mesa/state_tracker/st_public.h
index ca4e9577b1b..5cfb2e41f24 100644
--- a/src/mesa/state_tracker/st_public.h
+++ b/src/mesa/state_tracker/st_public.h
@@ -41,6 +41,10 @@
 #define ST_SURFACE_BACK_RIGHT   3
 #define ST_SURFACE_DEPTH        8
 
+#define ST_TEXTURE_2D    0x2
+#define ST_TEXTURE_RGB   0x1
+#define ST_TEXTURE_RGBA  0x2
+
 
 struct st_context;
 struct st_framebuffer;
@@ -93,6 +97,15 @@ void st_notify_swapbuffers(struct st_framebuffer *stfb);
 void st_notify_swapbuffers_complete(struct st_framebuffer *stfb);
 
 
+/** Redirect rendering into stfb's surface to a texture image */
+int st_bind_teximage(struct st_framebuffer *stfb, uint surfIndex,
+                     int target, int format, int level);
+
+/** Undo surface-to-texture binding */
+int st_release_teximage(struct st_framebuffer *stfb, uint surfIndex,
+                        int target, int format, int level);
+
+
 /** Generic function type */
 typedef void (*st_proc)();