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 "mtypes.h"
  30 #include "mm.h"
  31
  32 #include "savagecontext.h"
  33 #include "savage_3d_reg.h"
  34
  35 #define VALID_SAVAGE_TEXTURE_OBJECT(tobj)  (tobj)
  36
  37 #define SAVAGE_TEX_MAXLEVELS 11
  38 #define MIN_TILE_CHUNK       8
  39 #define MIPMAP_CHUNK         4
  40
  41
  42
  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
  49  * other clients.
  50  *
  51  * Non-local texture objects have a valid MemBlock to describe the
  52  * region managed by the other client, and can be identified by
  53  * 't->globj == 0'
  54  */
  55 typedef struct  {
  56     GLuint sWrapMode;
  57     GLuint tWrapMode;
  58     GLuint minFilter;
  59     GLuint magFilter;
  60     GLuint boarderColor;
  61     GLuint hwPhysAddress;
  62 } savage_texture_parameter_t;
  63
  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;
  71
  72 struct savage_texture_object_t {
  73    struct savage_texture_object_t *next, *prev;
  74    struct gl_texture_object *globj;
  75    GLuint age;
  76
  77    const savageTileInfo *tileInfo;
  78    GLuint texelBytes;
  79    GLuint totalSize;
  80    GLuint bound;
  81    GLuint heap;
  82
  83    PMemBlock MemBlock;
  84    char *BufAddr;
  85
  86    GLuint min_level;
  87    GLuint max_level;
  88    GLuint dirty_images;
  89
  90    struct {
  91       const struct gl_texture_image *image;
  92       GLuint offset;            /* into BufAddr */
  93       GLuint height;
  94       GLuint internalFormat;
  95    } image[SAVAGE_TEX_MAXLEVELS];
  96
  97    /* Support for multitexture.
  98     */
  99    GLuint current_unit;
 100    savage_texture_parameter_t texParams;
 101 };
 102
 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)
 109
 110
 111 void savageUpdateTextureState( GLcontext *ctx );
 112 void savageDDInitTextureFuncs( struct dd_function_table *functions );
 113
 114 void savageDestroyTexObj( savageContextPtr imesa, savageTextureObjectPtr t);
 115 int savageUploadTexImages( savageContextPtr imesa, savageTextureObjectPtr t );
 116
 117 void savageResetGlobalLRU( savageContextPtr imesa , GLuint heap);
 118 void savageTexturesGone( savageContextPtr imesa, GLuint heap,
 119                        GLuint start, GLuint end,
 120                        GLuint in_use );
 121
 122 void savagePrintLocalLRU( savageContextPtr imesa ,GLuint heap);
 123 void savagePrintGlobalLRU( savageContextPtr imesa ,GLuint heap);
 124
 125 #endif