gallium: make p_winsys internal

move it to pipe/internal/p_winsys_screen.h and start converting
the state trackers to the screen usage

3 files changed, 50 insertions, 30 deletions

diff --git a/src/gallium/include/pipe/p_winsys.h b/src/gallium/include/pipe/internal/p_winsys_screen.h
index bda1907cc16..ee835578b23 100644
--- a/src/gallium/include/pipe/p_winsys.h
+++ b/src/gallium/include/pipe/internal/p_winsys_screen.h
@@ -36,7 +36,7 @@
 #define P_WINSYS_H
 
 
-#include "p_format.h"
+#include "pipe/p_format.h"
 
 
 #ifdef __cplusplus
@@ -90,7 +90,7 @@ struct pipe_winsys
     * alignment indicates the client's alignment requirements, eg for
     * SSE instructions.
     */
-   struct pipe_buffer *(*_buffer_create)( struct pipe_winsys *ws, 
+   struct pipe_buffer *(*buffer_create)( struct pipe_winsys *ws, 
                                          unsigned alignment, 
                                          unsigned usage,
                                          unsigned size );
@@ -116,7 +116,7 @@ struct pipe_winsys
     * Note that ptr may be accessed at any time upto the time when the
     * buffer is destroyed, so the data must not be freed before then.
     */
-   struct pipe_buffer *(*_user_buffer_create)(struct pipe_winsys *ws, 
+   struct pipe_buffer *(*user_buffer_create)(struct pipe_winsys *ws, 
                                                     void *ptr,
                                                     unsigned bytes);
 
@@ -131,7 +131,7 @@ struct pipe_winsys
     * with the PIPE_TEXTURE_USAGE_DISPLAY_TARGET flag  to get the underlying 
     * buffer storage.
     */
-   struct pipe_buffer *(*_surface_buffer_create)(struct pipe_winsys *ws,
+   struct pipe_buffer *(*surface_buffer_create)(struct pipe_winsys *ws,
 						unsigned width, unsigned height,
 						enum pipe_format format,
 						unsigned usage,
@@ -142,14 +142,14 @@ struct pipe_winsys
     * Map the entire data store of a buffer object into the client's address.
     * flags is bitmask of PIPE_BUFFER_USAGE_CPU_READ/WRITE flags. 
     */
-   void *(*_buffer_map)( struct pipe_winsys *ws, 
+   void *(*buffer_map)( struct pipe_winsys *ws, 
 			struct pipe_buffer *buf,
 			unsigned usage );
    
-   void (*_buffer_unmap)( struct pipe_winsys *ws, 
+   void (*buffer_unmap)( struct pipe_winsys *ws, 
 			 struct pipe_buffer *buf );
 
-   void (*_buffer_destroy)( struct pipe_winsys *ws,
+   void (*buffer_destroy)( struct pipe_winsys *ws,
 			   struct pipe_buffer *buf );
 
 
@@ -178,7 +178,6 @@ struct pipe_winsys
 
 };
 
-
 #ifdef __cplusplus
 }
 #endif
diff --git a/src/gallium/include/pipe/p_inlines.h b/src/gallium/include/pipe/p_inlines.h
index da7334bb67a..1219c817b4c 100644
--- a/src/gallium/include/pipe/p_inlines.h
+++ b/src/gallium/include/pipe/p_inlines.h
@@ -31,7 +31,6 @@
 #include "p_context.h"
 #include "p_defines.h"
 #include "p_screen.h"
-#include "p_winsys.h"
 
 
 #ifdef __cplusplus
@@ -129,26 +128,20 @@ pipe_texture_release(struct pipe_texture **ptr)
 
 
 /**
- * Convenience wrappers for winsys buffer functions.
+ * Convenience wrappers for screen buffer functions.
  */
 
 static INLINE struct pipe_buffer *
 pipe_buffer_create( struct pipe_screen *screen,
                     unsigned alignment, unsigned usage, unsigned size )
 {
-   if (screen->buffer_create)
-      return screen->buffer_create(screen, alignment, usage, size);
-   else
-      return screen->winsys->_buffer_create(screen->winsys, alignment, usage, size);
+   return screen->buffer_create(screen, alignment, usage, size);
 }
 
 static INLINE struct pipe_buffer *
 pipe_user_buffer_create( struct pipe_screen *screen, void *ptr, unsigned size )
 {
-   if (screen->user_buffer_create)
-      return screen->user_buffer_create(screen, ptr, size);
-   else
-      return screen->winsys->_user_buffer_create(screen->winsys, ptr, size);
+   return screen->user_buffer_create(screen, ptr, size);
 }
 
 static INLINE void *
@@ -156,20 +149,14 @@ pipe_buffer_map(struct pipe_screen *screen,
                 struct pipe_buffer *buf,
                 unsigned usage)
 {
-   if (screen->buffer_map)
-      return screen->buffer_map(screen, buf, usage);
-   else
-      return screen->winsys->_buffer_map(screen->winsys, buf, usage);
+   return screen->buffer_map(screen, buf, usage);
 }
 
 static INLINE void
 pipe_buffer_unmap(struct pipe_screen *screen,
                   struct pipe_buffer *buf)
 {
-   if (screen->buffer_unmap)
-      screen->buffer_unmap(screen, buf);
-   else
-      screen->winsys->_buffer_unmap(screen->winsys, buf);
+   screen->buffer_unmap(screen, buf);
 }
 
 /* XXX: thread safety issues!
@@ -187,10 +174,7 @@ pipe_buffer_reference(struct pipe_screen *screen,
    if (*ptr) {
       assert((*ptr)->refcount);
       if(--(*ptr)->refcount == 0) {
-         if (screen->buffer_destroy)
-            screen->buffer_destroy( screen, *ptr );
-         else
-            screen->winsys->_buffer_destroy( screen->winsys, *ptr );
+         screen->buffer_destroy( screen, *ptr );
       }
    }
 
diff --git a/src/gallium/include/pipe/p_screen.h b/src/gallium/include/pipe/p_screen.h
index b072484a84c..715fa39cbec 100644
--- a/src/gallium/include/pipe/p_screen.h
+++ b/src/gallium/include/pipe/p_screen.h
@@ -48,6 +48,8 @@ extern "C" {
 #endif
 
 
+/** Opaque type */
+struct pipe_fence_handle;
 
 /**
  * Gallium screen/adapter context.  Basically everything
@@ -196,6 +198,41 @@ struct pipe_screen {
 
    void (*buffer_destroy)( struct pipe_screen *screen,
 			   struct pipe_buffer *buf );
+
+
+   /**
+    * Do any special operations to ensure frontbuffer contents are
+    * displayed, eg copy fake frontbuffer.
+    */
+   void (*flush_frontbuffer)( struct pipe_screen *screen,
+                              struct pipe_surface *surf,
+                              void *context_private );
+
+
+
+   /** Set ptr = fence, with reference counting */
+   void (*fence_reference)( struct pipe_screen *screen,
+                            struct pipe_fence_handle **ptr,
+                            struct pipe_fence_handle *fence );
+
+   /**
+    * Checks whether the fence has been signalled.
+    * \param flags  driver-specific meaning
+    * \return zero on success.
+    */
+   int (*fence_signalled)( struct pipe_screen *screen,
+                           struct pipe_fence_handle *fence,
+                           unsigned flag );
+
+   /**
+    * Wait for the fence to finish.
+    * \param flags  driver-specific meaning
+    * \return zero on success.
+    */
+   int (*fence_finish)( struct pipe_screen *screen,
+                        struct pipe_fence_handle *fence,
+                        unsigned flag );
+
 };