1 files changed, 189 insertions, 0 deletions
diff --git a/src/gallium/include/pipe/p_inlines.h b/src/gallium/include/pipe/p_inlines.h
new file mode 100644
index 0000000000..1219c817b4
--- /dev/null
+++ b/src/gallium/include/pipe/p_inlines.h
@@ -0,0 +1,189 @@
+/**************************************************************************
+ * 
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ * 
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * 
+ **************************************************************************/
+
+#ifndef P_INLINES_H
+#define P_INLINES_H
+
+#include "p_context.h"
+#include "p_defines.h"
+#include "p_screen.h"
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/* XXX: these are a kludge.  will fix when all surfaces are views into
+ * textures, and free-floating winsys surfaces go away.
+ */
+static INLINE void *
+pipe_surface_map( struct pipe_surface *surf, unsigned flags )
+{
+   struct pipe_screen *screen;
+   assert(surf->texture);
+   screen = surf->texture->screen;
+   return screen->surface_map( screen, surf, flags );
+}
+
+static INLINE void
+pipe_surface_unmap( struct pipe_surface *surf )
+{
+   struct pipe_screen *screen;
+   assert(surf->texture);
+   screen = surf->texture->screen;
+   screen->surface_unmap( screen, surf );
+}
+
+
+
+/**
+ * Set 'ptr' to point to 'surf' and update reference counting.
+ * The old thing pointed to, if any, will be unreferenced first.
+ * 'surf' may be NULL.
+ */
+static INLINE void
+pipe_surface_reference(struct pipe_surface **ptr, struct pipe_surface *surf)
+{
+   /* bump the refcount first */
+   if (surf) {
+      assert(surf->refcount);
+      surf->refcount++;
+   }
+
+   if (*ptr) {
+      struct pipe_screen *screen;
+      assert((*ptr)->refcount);
+      assert((*ptr)->texture);
+      screen = (*ptr)->texture->screen;
+      screen->tex_surface_release( screen, ptr );
+      assert(!*ptr);
+   }
+
+   *ptr = surf;
+}
+
+
+/**
+ * \sa pipe_surface_reference
+ */
+static INLINE void
+pipe_texture_reference(struct pipe_texture **ptr,
+		       struct pipe_texture *pt)
+{
+   assert(ptr);
+
+   if (pt) { 
+      assert(pt->refcount);
+      pt->refcount++;
+   }
+
+   if (*ptr) {
+      struct pipe_screen *screen = (*ptr)->screen;
+      assert(screen);
+      assert((*ptr)->refcount);
+      screen->texture_release(screen, ptr);
+
+      assert(!*ptr);
+   }
+
+   *ptr = pt;
+}
+
+
+static INLINE void
+pipe_texture_release(struct pipe_texture **ptr)
+{
+   struct pipe_screen *screen;
+   assert(ptr);
+   screen = (*ptr)->screen;
+   assert((*ptr)->refcount);
+   screen->texture_release(screen, ptr);
+   *ptr = NULL;
+}
+
+
+/**
+ * Convenience wrappers for screen buffer functions.
+ */
+
+static INLINE struct pipe_buffer *
+pipe_buffer_create( struct pipe_screen *screen,
+                    unsigned alignment, unsigned usage, unsigned 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 )
+{
+   return screen->user_buffer_create(screen, ptr, size);
+}
+
+static INLINE void *
+pipe_buffer_map(struct pipe_screen *screen,
+                struct pipe_buffer *buf,
+                unsigned usage)
+{
+   return screen->buffer_map(screen, buf, usage);
+}
+
+static INLINE void
+pipe_buffer_unmap(struct pipe_screen *screen,
+                  struct pipe_buffer *buf)
+{
+   screen->buffer_unmap(screen, buf);
+}
+
+/* XXX: thread safety issues!
+ */
+static INLINE void
+pipe_buffer_reference(struct pipe_screen *screen,
+		      struct pipe_buffer **ptr,
+		      struct pipe_buffer *buf)
+{
+   if (buf) {
+      assert(buf->refcount);
+      buf->refcount++;
+   }
+
+   if (*ptr) {
+      assert((*ptr)->refcount);
+      if(--(*ptr)->refcount == 0) {
+         screen->buffer_destroy( screen, *ptr );
+      }
+   }
+
+   *ptr = buf;
+}
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* P_INLINES_H */