1 files changed, 112 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..ebf6ed86bc
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+++ b/src/gallium/include/pipe/p_inlines.h
@@ -0,0 +1,112 @@
+/**************************************************************************
+ * 
+ * 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_winsys.h"
+
+
+static INLINE void *
+pipe_surface_map(struct pipe_surface *surface)
+{
+   return (char *)surface->winsys->buffer_map( surface->winsys, surface->buffer,
+					       PIPE_BUFFER_USAGE_CPU_WRITE |
+					       PIPE_BUFFER_USAGE_CPU_READ )
+      + surface->offset;
+}
+
+static INLINE void
+pipe_surface_unmap(struct pipe_surface *surface)
+{
+   surface->winsys->buffer_unmap( surface->winsys, surface->buffer );
+}
+
+/**
+ * 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) 
+      surf->refcount++;
+
+   if (*ptr /* && --(*ptr)->refcount == 0 */) {
+      struct pipe_winsys *winsys = (*ptr)->winsys;
+      winsys->surface_release(winsys, ptr);
+      assert(!*ptr);
+   }
+
+   *ptr = surf;
+}
+
+
+/* XXX: thread safety issues!
+ */
+static INLINE void
+pipe_buffer_reference(struct pipe_winsys *winsys,
+		      struct pipe_buffer **ptr,
+		      struct pipe_buffer *buf)
+{
+   if (buf) 
+      buf->refcount++;
+
+   if (*ptr && --(*ptr)->refcount == 0)
+      winsys->buffer_destroy( winsys, *ptr );
+
+   *ptr = buf;
+}
+
+
+
+/**
+ * \sa pipe_surface_reference
+ */
+static INLINE void
+pipe_texture_reference(struct pipe_context *pipe, struct pipe_texture **ptr,
+		       struct pipe_texture *pt)
+{
+   assert(ptr);
+
+   if (pt) 
+      pt->refcount++;
+
+   if (*ptr) {
+      pipe->texture_release(pipe, ptr);
+      assert(!*ptr);
+   }
+
+   *ptr = pt;
+}
+
+
+#endif /* P_INLINES_H */