2 * Copyright 2003 VMware, Inc.
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial portions
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
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23 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 #ifndef _INTEL_TEX_OBJ_H
27 #define _INTEL_TEX_OBJ_H
29 #include "swrast/s_context.h"
35 struct intel_texture_object
37 struct gl_texture_object base
;
39 /* This is a mirror of base._MaxLevel, updated at validate time,
40 * except that we don't bother with the non-base levels for
41 * non-mipmapped textures.
43 unsigned int _MaxLevel
;
45 unsigned int validated_first_level
;
46 unsigned int validated_last_level
;
48 /* The miptree of pixel data for the texture (if !needs_validate). After
49 * validation, the images will also have references to the same mt.
51 struct intel_mipmap_tree
*mt
;
54 * Set when mipmap trees in the texture images of this texture object
55 * might not all be the mipmap tree above.
59 /* Mesa format for the validated texture object. For non-views this
60 * will always be the same as mt->format. For views, it may differ
61 * since the mt is shared across views with differing formats.
65 const struct intel_image_format
*planar_format
;
70 * intel_texture_image is a subclass of swrast_texture_image because we
71 * sometimes fall back to using the swrast module for software rendering.
73 struct intel_texture_image
75 struct swrast_texture_image base
;
77 /* If intelImage->mt != NULL, image data is stored here.
78 * Else if intelImage->base.Buffer != NULL, image is stored there.
79 * Else there is no image data.
81 struct intel_mipmap_tree
*mt
;
84 static inline struct intel_texture_object
*
85 intel_texture_object(struct gl_texture_object
*obj
)
87 return (struct intel_texture_object
*) obj
;
90 static inline struct intel_texture_image
*
91 intel_texture_image(struct gl_texture_image
*img
)
93 return (struct intel_texture_image
*) img
;
100 #endif /* _INTEL_TEX_OBJ_H */