src/mesa/drivers/glide/fxglidew.h

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  4.0
   4  *
   5  * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included
  15  * in all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  21  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23  */
  24
  25 /* Authors:
  26  *    David Bucciarelli
  27  *    Brian Paul
  28  *    Daryll Strauss
  29  *    Keith Whitwell
  30  *    Daniel Borca
  31  *    Hiroshi Morii
  32  */
  33
  34
  35 #ifndef __FX_GLIDE_WARPER__
  36 #define __FX_GLIDE_WARPER__
  37
  38
  39 #include "fxg.h"
  40
  41
  42
  43 #define MAX_NUM_SST             4
  44
  45 enum {
  46       GR_SSTTYPE_VOODOO  = 0,
  47       GR_SSTTYPE_SST96   = 1,
  48       GR_SSTTYPE_AT3D    = 2,
  49       GR_SSTTYPE_Voodoo2 = 3,
  50       GR_SSTTYPE_Banshee = 4,
  51       GR_SSTTYPE_Voodoo3 = 5,
  52       GR_SSTTYPE_Voodoo4 = 6,
  53       GR_SSTTYPE_Voodoo5 = 7
  54 };
  55
  56 #define GrState                 void
  57
  58 typedef int GrSstType;
  59
  60 typedef struct GrTMUConfig_St {
  61         int tmuRev;             /* Rev of Texelfx chip */
  62         int tmuRam;             /* 1, 2, or 4 MB */
  63 } GrTMUConfig_t;
  64
  65 typedef struct {
  66         int num_sst;            /* # of HW units in the system */
  67         struct SstCard_St {
  68                GrSstType type;  /* Which hardware is it? */
  69                int fbRam;       /* 1, 2, or 4 MB */
  70                int fbiRev;      /* Rev of Pixelfx chip */
  71                int nTexelfx;    /* How many texelFX chips are there? */
  72                int numChips;    /* Number of Voodoo chips */
  73                GrTMUConfig_t tmuConfig[GLIDE_NUM_TMU];  /* Configuration of the Texelfx chips */
  74                /* Glide3 extensions */
  75                FxBool HavePalExt;       /* PALETTE6666 */
  76                FxBool HavePixExt;       /* PIXEXT */
  77                FxBool HaveTexFmt;       /* TEXFMT */
  78                FxBool HaveCmbExt;       /* COMBINE */
  79                FxBool HaveMirExt;       /* TEXMIRROR */
  80                FxBool HaveTexUma;       /* TEXUMA */
  81         }
  82         SSTs[MAX_NUM_SST];      /* configuration for each board */
  83         struct tdfx_glide Glide;
  84 } GrHwConfiguration;
  85
  86
  87
  88 typedef FxU32 GrHint_t;
  89 #define GR_HINTTYPE_MIN         0
  90 #define GR_HINT_STWHINT         0
  91
  92 typedef FxU32 GrSTWHint_t;
  93 #define GR_STWHINT_W_DIFF_FBI   FXBIT(0)
  94 #define GR_STWHINT_W_DIFF_TMU0  FXBIT(1)
  95 #define GR_STWHINT_ST_DIFF_TMU0 FXBIT(2)
  96 #define GR_STWHINT_W_DIFF_TMU1  FXBIT(3)
  97 #define GR_STWHINT_ST_DIFF_TMU1 FXBIT(4)
  98 #define GR_STWHINT_W_DIFF_TMU2  FXBIT(5)
  99 #define GR_STWHINT_ST_DIFF_TMU2 FXBIT(6)
 100
 101 #define GR_CONTROL_ACTIVATE     1
 102 #define GR_CONTROL_DEACTIVATE   0
 103
 104
 105
 106 /*
 107 ** move the vertex layout defintion to application
 108 */
 109 typedef struct {
 110         float sow;              /* s texture ordinate (s over w) */
 111         float tow;              /* t texture ordinate (t over w) */
 112         float oow;              /* 1/w (used mipmapping - really 0xfff/w) */
 113 } GrTmuVertex;
 114
 115 typedef struct {
 116         float x, y;             /* X and Y in screen space */
 117         float ooz;              /* 65535/Z (used for Z-buffering) */
 118         float oow;              /* 1/W (used for W-buffering, texturing) */
 119         unsigned char pargb[4]; /* B, G, R, A [0..255] */
 120         GrTmuVertex tmuvtx[GLIDE_NUM_TMU];
 121         float fog;              /* fog coordinate */
 122         unsigned char pspec[4]; /* B, G, R, A [0..255] */
 123         float psize;            /* point size */
 124         long pad[16 - 14];      /* ensure 64b structure */
 125 } GrVertex;
 126
 127 #define GR_VERTEX_X_OFFSET              0
 128 #define GR_VERTEX_Y_OFFSET              1
 129 #define GR_VERTEX_OOZ_OFFSET            2
 130 #define GR_VERTEX_OOW_OFFSET            3
 131 #define GR_VERTEX_PARGB_OFFSET          4
 132 #define GR_VERTEX_SOW_TMU0_OFFSET       5
 133 #define GR_VERTEX_TOW_TMU0_OFFSET       6
 134 #define GR_VERTEX_OOW_TMU0_OFFSET       7
 135 #define GR_VERTEX_SOW_TMU1_OFFSET       8
 136 #define GR_VERTEX_TOW_TMU1_OFFSET       9
 137 #define GR_VERTEX_OOW_TMU1_OFFSET       10
 138 #define GR_VERTEX_FOG_OFFSET            11
 139 #define GR_VERTEX_PSPEC_OFFSET          12
 140
 141
 142
 143 /*
 144  * For Lod/LodLog2 conversion.
 145  */
 146 #define FX_largeLodLog2(info)           (info).largeLodLog2
 147 #define FX_aspectRatioLog2(info)        (info).aspectRatioLog2
 148 #define FX_smallLodLog2(info)           (info).smallLodLog2
 149 #define FX_lodToValue(val)              ((int)(GR_LOD_LOG2_256-val))
 150 #define FX_largeLodValue(info)          ((int)(GR_LOD_LOG2_256-(info).largeLodLog2))
 151 #define FX_smallLodValue(info)          ((int)(GR_LOD_LOG2_256-(info).smallLodLog2))
 152 #define FX_valueToLod(val)              ((GrLOD_t)(GR_LOD_LOG2_256-val))
 153
 154
 155
 156 /*
 157  * Query
 158  */
 159 extern int FX_grSstScreenWidth(void);
 160 extern int FX_grSstScreenHeight(void);
 161 extern void FX_grSstPerfStats(GrSstPerfStats_t *st);
 162 extern int FX_grSstQueryHardware(GrHwConfiguration *config);
 163 #define FX_grGetInteger FX_grGetInteger_NoLock
 164 extern FxI32 FX_grGetInteger_NoLock(FxU32 pname);
 165
 166
 167
 168 /*
 169  * GrHints
 170  */
 171 #define FX_grHints FX_grHints_NoLock
 172 extern void FX_grHints_NoLock(GrHint_t hintType, FxU32 hintMask);
 173
 174
 175
 176 /*
 177  * Needed for Glide3 only, to set up Glide2 compatible vertex layout.
 178  */
 179 extern void FX_setupGrVertexLayout(void);
 180
 181
 182
 183 /*
 184  * grSstControl stuff
 185  */
 186 extern FxBool FX_grSstControl(FxU32 code);
 187
 188 #define FX_grBufferClear(c, a, d)       \
 189   do {                                  \
 190     BEGIN_CLIP_LOOP();                  \
 191     grBufferClear(c, a, d);             \
 192     END_CLIP_LOOP();                    \
 193   } while (0)
 194
 195
 196
 197 #endif /* __FX_GLIDE_WARPER__ */