1 files changed, 114 insertions, 0 deletions
diff --git a/src/gallium/drivers/i915/i915_resource.h b/src/gallium/drivers/i915/i915_resource.h
new file mode 100644
index 0000000000..1093e8f41f
--- /dev/null
+++ b/src/gallium/drivers/i915/i915_resource.h
@@ -0,0 +1,114 @@
+/**************************************************************************
+ * 
+ * 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 I915_RESOURCE_H
+#define I915_RESOURCE_H
+
+struct i915_screen;
+
+#include "util/u_transfer.h"
+#include "util/u_debug.h"
+
+
+struct i915_context;
+struct i915_screen;
+
+
+struct i915_buffer {
+   struct u_resource b;
+   uint8_t *data;
+   boolean free_on_destroy;
+};
+
+#define I915_MAX_TEXTURE_2D_LEVELS 11  /* max 1024x1024 */
+#define I915_MAX_TEXTURE_3D_LEVELS  8  /* max 128x128x128 */
+
+
+
+struct i915_texture {
+   struct u_resource b;
+
+   unsigned stride;
+   unsigned depth_stride;          /* per-image on i945? */
+   unsigned total_nblocksy;
+
+   unsigned sw_tiled; /**< tiled with software flags */
+   unsigned hw_tiled; /**< tiled with hardware fences */
+
+   unsigned nr_images[I915_MAX_TEXTURE_2D_LEVELS];
+
+   /* Explicitly store the offset of each image for each cube face or
+    * depth value.
+    */
+   unsigned *image_offset[I915_MAX_TEXTURE_2D_LEVELS];   /**< array [depth] of offsets */
+
+   /* The data is held here:
+    */
+   struct i915_winsys_buffer *buffer;
+};
+
+void i915_init_screen_resource_functions(struct i915_screen *is);
+void i915_init_resource_functions(struct i915_context *i915);
+
+extern struct u_resource_vtbl i915_buffer_vtbl;
+extern struct u_resource_vtbl i915_texture_vtbl;
+
+static INLINE struct i915_texture *i915_texture(struct pipe_resource *resource)
+{
+   struct i915_texture *tex = (struct i915_texture *)resource;
+   assert(tex->b.vtbl == &i915_texture_vtbl);
+   return tex;
+}
+
+static INLINE struct i915_buffer *i915_buffer(struct pipe_resource *resource)
+{
+   struct i915_buffer *tex = (struct i915_buffer *)resource;
+   assert(tex->b.vtbl == &i915_buffer_vtbl);
+   return tex;
+}
+
+struct pipe_resource *
+i915_texture_create(struct pipe_screen *screen,
+                    const struct pipe_resource *template);
+
+struct pipe_resource *
+i915_texture_from_handle(struct pipe_screen * screen,
+			 const struct pipe_resource *template,
+			 struct winsys_handle *whandle);
+
+
+struct pipe_resource *
+i915_user_buffer_create(struct pipe_screen *screen,
+                        void *ptr,
+                        unsigned bytes,
+			unsigned usage);
+
+struct pipe_resource *
+i915_buffer_create(struct pipe_screen *screen,
+		   const struct pipe_resource *template);
+
+#endif /* I915_RESOURCE_H */