1 files changed, 151 insertions, 0 deletions
diff --git a/src/gallium/drivers/i965/brw_resource.h b/src/gallium/drivers/i965/brw_resource.h
new file mode 100644
index 0000000000..3390c270d4
--- /dev/null
+++ b/src/gallium/drivers/i965/brw_resource.h
@@ -0,0 +1,151 @@
+/**************************************************************************
+ * 
+ * Copyright 2008 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 BRW_RESOURCE_H
+#define BRW_RESOURCE_H
+
+struct brw_screen;
+
+#include "util/u_transfer.h"
+#include "util/u_debug.h"
+
+#include "brw_screen.h"		/* for brw_surface */
+
+struct brw_context;
+struct brw_screen;
+
+
+struct brw_buffer {
+   struct u_resource b;
+
+   /* One of either bo or user_buffer will be non-null, depending on
+    * whether this is a hardware or user buffer.
+    */
+   struct brw_winsys_buffer *bo;
+   void *user_buffer;
+
+   /* Mapped pointer??
+    */
+   void *ptr;
+};
+
+#define BRW_MAX_TEXTURE_2D_LEVELS 11  /* max 1024x1024 */
+#define BRW_MAX_TEXTURE_3D_LEVELS  8  /* max 128x128x128 */
+
+
+
+struct brw_texture {
+   struct u_resource b;
+   struct brw_winsys_buffer *bo;
+   struct brw_surface_state ss;
+
+   unsigned *image_offset[BRW_MAX_TEXTURE_2D_LEVELS];
+   unsigned nr_images[BRW_MAX_TEXTURE_2D_LEVELS];
+   unsigned level_offset[BRW_MAX_TEXTURE_2D_LEVELS];
+
+   boolean compressed;
+   unsigned brw_target;
+   unsigned pitch;
+   unsigned tiling;
+   unsigned cpp;
+   unsigned total_height;
+
+   struct brw_surface views[2];
+};
+
+
+void brw_init_screen_resource_functions(struct brw_screen *is);
+void brw_init_resource_functions(struct brw_context *brw );
+
+extern struct u_resource_vtbl brw_buffer_vtbl;
+extern struct u_resource_vtbl brw_texture_vtbl;
+
+static INLINE struct brw_texture *brw_texture( struct pipe_resource *resource )
+{
+   struct brw_texture *tex = (struct brw_texture *)resource;
+   assert(tex->b.vtbl == &brw_texture_vtbl);
+   return tex;
+}
+
+static INLINE struct brw_buffer *brw_buffer( struct pipe_resource *resource )
+{
+   struct brw_buffer *tex = (struct brw_buffer *)resource;
+   assert(tex->b.vtbl == &brw_buffer_vtbl);
+   return tex;
+}
+
+struct pipe_resource *
+brw_texture_create(struct pipe_screen *screen,
+                    const struct pipe_resource *template);
+
+struct pipe_resource *
+brw_texture_from_handle(struct pipe_screen * screen,
+			const struct pipe_resource *template,
+			struct winsys_handle *whandle);
+
+
+struct pipe_resource *
+brw_user_buffer_create(struct pipe_screen *screen,
+                        void *ptr,
+                        unsigned bytes,
+			unsigned usage);
+
+struct pipe_resource *
+brw_buffer_create(struct pipe_screen *screen,
+		   const struct pipe_resource *template);
+
+
+/*
+boolean
+brw_is_format_supported( struct pipe_screen *screen,
+			 enum pipe_format format,
+			 enum pipe_texture_target target,
+			 unsigned tex_usage, 
+			 unsigned geom_flags );
+*/
+
+/* Pipe buffer helpers
+ */
+static INLINE boolean
+brw_buffer_is_user_buffer( const struct pipe_resource *buf )
+{
+   return ((const struct brw_buffer *)buf)->user_buffer != NULL;
+}
+
+
+/***********************************************************************
+ * Internal functions 
+ */
+GLboolean brw_texture_layout(struct brw_screen *brw_screen,
+			     struct brw_texture *tex );
+
+void brw_update_texture( struct brw_screen *brw_screen,
+			 struct brw_texture *tex );
+
+
+
+#endif /* BRW_RESOURCE_H */