src/mesa/drivers/dri/savage/savagetex.h

   1 /*
   2  * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
   3  * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
   4  *
   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:
  11  *
  12  * The above copyright notice and this permission notice (including the
  13  * next paragraph) shall be included in all copies or substantial portions
  14  * of the Software.
  15  *
  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
  19  * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  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.
  23  */
  24
  25
  26 #ifndef SAVAGETEX_INC
  27 #define SAVAGETEX_INC
  28
  29 #include "main/mtypes.h"
  30
  31 #include "savagecontext.h"
  32 #include "texmem.h"
  33
  34 #define SAVAGE_TEX_MAXLEVELS 12
  35
  36 /** \brief Texture tiling information */
  37 typedef struct savage_tileinfo_t {
  38     GLuint width, height;       /**< tile width and height */
  39     GLuint wInSub, hInSub;      /**< tile width and height in subtiles */
  40     GLuint subWidth, subHeight; /**< subtile width and height */
  41     GLuint tinyOffset[2];       /**< internal offsets size 1 and 2 images */
  42 } savageTileInfo, *savageTileInfoPtr;
  43
  44 typedef struct {
  45     GLuint offset;
  46     GLuint nTiles;
  47     GLuint *dirtyTiles;         /* bit vector of dirty tiles (still unused) */
  48 } savageTexImage;
  49
  50 typedef struct {
  51     driTextureObject base;
  52
  53     GLubyte *bufAddr;
  54
  55     GLuint age;
  56     savageTexImage image[SAVAGE_TEX_MAXLEVELS];
  57     GLuint dirtySubImages;
  58
  59     struct {
  60         GLuint sWrapMode, tWrapMode;
  61         GLuint minFilter, magFilter;
  62         GLuint physAddr;
  63     } setup;
  64
  65     GLuint hwFormat;
  66     GLuint texelBytes;
  67     const savageTileInfo *tileInfo;
  68 } savageTexObj, *savageTexObjPtr;
  69
  70 #define SAVAGE_NO_PALETTE        0x0
  71 #define SAVAGE_USE_PALETTE       0x1
  72 #define SAVAGE_UPDATE_PALETTE    0x2
  73 #define SAVAGE_FALLBACK_PALETTE  0x4
  74 #define __HWEnvCombineSingleUnitScale(imesa, flag0, flag1, TexBlendCtrl)
  75 #define __HWParseTexEnvCombine(imesa, flag0, TexCtrl, TexBlendCtrl)
  76
  77
  78 void savageUpdateTextureState( GLcontext *ctx );
  79 void savageDDInitTextureFuncs( struct dd_function_table *functions );
  80
  81 void savageDestroyTexObj( savageContextPtr imesa, savageTexObjPtr t );
  82
  83 #endif