1 files changed, 84 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/intel_tex_obj.h b/src/mesa/drivers/dri/i965/intel_tex_obj.h
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+++ b/src/mesa/drivers/dri/i965/intel_tex_obj.h
@@ -0,0 +1,84 @@
+/**************************************************************************
+ * 
+ * Copyright 2003 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 _INTEL_TEX_OBJ_H
+#define _INTEL_TEX_OBJ_H
+
+#include "swrast/s_context.h"
+
+
+struct intel_texture_object
+{
+   struct gl_texture_object base;
+
+   /* This is a mirror of base._MaxLevel, updated at validate time,
+    * except that we don't bother with the non-base levels for
+    * non-mipmapped textures.
+    */
+   unsigned int _MaxLevel;
+
+   /* On validation any active images held in main memory or in other
+    * regions will be copied to this region and the old storage freed.
+    */
+   struct intel_mipmap_tree *mt;
+
+   /**
+    * Set when mipmap trees in the texture images of this texture object
+    * might not all be the mipmap tree above.
+    */
+   bool needs_validate;
+};
+
+
+/**
+ * intel_texture_image is a subclass of swrast_texture_image because we
+ * sometimes fall back to using the swrast module for software rendering.
+ */
+struct intel_texture_image
+{
+   struct swrast_texture_image base;
+
+   /* If intelImage->mt != NULL, image data is stored here.
+    * Else if intelImage->base.Buffer != NULL, image is stored there.
+    * Else there is no image data.
+    */
+   struct intel_mipmap_tree *mt;
+};
+
+static INLINE struct intel_texture_object *
+intel_texture_object(struct gl_texture_object *obj)
+{
+   return (struct intel_texture_object *) obj;
+}
+
+static INLINE struct intel_texture_image *
+intel_texture_image(struct gl_texture_image *img)
+{
+   return (struct intel_texture_image *) img;
+}
+
+#endif /* _INTEL_TEX_OBJ_H */