2 * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
3 * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sub license,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice (including the
13 * next paragraph) shall be included in all copies or substantial portions
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
32 #include "savagecontext.h"
33 #include "savage_3d_reg.h"
35 #define VALID_SAVAGE_TEXTURE_OBJECT(tobj) (tobj)
37 #define SAVAGE_TEX_MAXLEVELS 11
38 #define MIN_TILE_CHUNK 8
39 #define MIPMAP_CHUNK 4
43 /* For shared texture space managment, these texture objects may also
44 * be used as proxies for regions of texture memory containing other
45 * client's textures. Such proxy textures (not to be confused with GL
46 * proxy textures) are subject to the same LRU aging we use for our
47 * own private textures, and thus we have a mechanism where we can
48 * fairly decide between kicking out our own textures and those of
51 * Non-local texture objects have a valid MemBlock to describe the
52 * region managed by the other client, and can be identified by
62 } savage_texture_parameter_t
;
64 /** \brief Texture tiling information */
65 typedef struct savage_tileinfo_t
{
66 GLuint width
, height
; /**< tile width and height */
67 GLuint wInSub
, hInSub
; /**< tile width and height in subtiles */
68 GLuint subWidth
, subHeight
; /**< subtile width and height */
69 GLuint tinyOffset
[2]; /**< internal offsets size 1 and 2 images */
70 } savageTileInfo
, *savageTileInfoPtr
;
72 struct savage_texture_object_t
{
73 struct savage_texture_object_t
*next
, *prev
;
74 struct gl_texture_object
*globj
;
77 const savageTileInfo
*tileInfo
;
91 const struct gl_texture_image
*image
;
92 GLuint offset
; /* into BufAddr */
94 GLuint internalFormat
;
95 } image
[SAVAGE_TEX_MAXLEVELS
];
97 /* Support for multitexture.
100 savage_texture_parameter_t texParams
;
103 #define SAVAGE_NO_PALETTE 0x0
104 #define SAVAGE_USE_PALETTE 0x1
105 #define SAVAGE_UPDATE_PALETTE 0x2
106 #define SAVAGE_FALLBACK_PALETTE 0x4
107 #define __HWEnvCombineSingleUnitScale(imesa, flag0, flag1, TexBlendCtrl)
108 #define __HWParseTexEnvCombine(imesa, flag0, TexCtrl, TexBlendCtrl)
111 void savageUpdateTextureState( GLcontext
*ctx
);
112 void savageDDInitTextureFuncs( struct dd_function_table
*functions
);
114 void savageDestroyTexObj( savageContextPtr imesa
, savageTextureObjectPtr t
);
115 int savageUploadTexImages( savageContextPtr imesa
, savageTextureObjectPtr t
);
117 void savageResetGlobalLRU( savageContextPtr imesa
, GLuint heap
);
118 void savageTexturesGone( savageContextPtr imesa
, GLuint heap
,
119 GLuint start
, GLuint end
,
122 void savagePrintLocalLRU( savageContextPtr imesa
,GLuint heap
);
123 void savagePrintGlobalLRU( savageContextPtr imesa
,GLuint heap
);