src/mesa/drivers/glide/fxglidew.c

   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 /* fxsetup.c - 3Dfx VooDoo rendering mode setup functions */
  35
  36
  37 #ifdef HAVE_CONFIG_H
  38 #include "conf.h"
  39 #endif
  40
  41 #if defined(FX)
  42 #include "fxglidew.h"
  43 #include "fxdrv.h"
  44
  45 #include <stdlib.h>
  46 #include <string.h>
  47
  48 FxI32
  49 FX_grGetInteger_NoLock(FxU32 pname)
  50 {
  51  FxI32 result;
  52
  53  if (grGet(pname, 4, &result)) {
  54     return result;
  55  }
  56
  57  if (TDFX_DEBUG & VERBOSE_DRIVER) {
  58     fprintf(stderr, "FX_grGetInteger_NoLock: wrong parameter (%lx)\n", pname);
  59  }
  60  return -1;
  61 }
  62
  63 FxBool
  64 FX_grSstControl(FxU32 code)
  65 {
  66    /* The glide 3 sources call for grEnable/grDisable to be called in exchange
  67     * for grSstControl. */
  68    switch (code) {
  69    case GR_CONTROL_ACTIVATE:
  70       grEnable(GR_PASSTHRU);
  71       break;
  72    case GR_CONTROL_DEACTIVATE:
  73       grDisable(GR_PASSTHRU);
  74       break;
  75    }
  76    /* Appearently GR_CONTROL_RESIZE can be ignored. */
  77    return 1;                    /* OK? */
  78 }
  79
  80
  81 int
  82 FX_grSstScreenWidth()
  83 {
  84    FxI32 result[4];
  85
  86    BEGIN_BOARD_LOCK();
  87    grGet(GR_VIEWPORT, sizeof(FxI32) * 4, result);
  88    END_BOARD_LOCK();
  89
  90    return result[2];
  91 }
  92
  93 int
  94 FX_grSstScreenHeight()
  95 {
  96    FxI32 result[4];
  97
  98    BEGIN_BOARD_LOCK();
  99    grGet(GR_VIEWPORT, sizeof(FxI32) * 4, result);
 100    END_BOARD_LOCK();
 101
 102    return result[3];
 103 }
 104
 105 void
 106 FX_grSstPerfStats(GrSstPerfStats_t * st)
 107 {
 108    FxI32 n;
 109    grGet(GR_STATS_PIXELS_IN, 4, &n);
 110    st->pixelsIn = n;
 111    grGet(GR_STATS_PIXELS_CHROMA_FAIL, 4, &n);
 112    st->chromaFail = n;
 113    grGet(GR_STATS_PIXELS_DEPTHFUNC_FAIL, 4, &n);
 114    st->zFuncFail = n;
 115    grGet(GR_STATS_PIXELS_AFUNC_FAIL, 4, &n);
 116    st->aFuncFail = n;
 117    grGet(GR_STATS_PIXELS_OUT, 4, &n);
 118    st->pixelsOut = n;
 119 }
 120
 121 void
 122 FX_setupGrVertexLayout(void)
 123 {
 124    BEGIN_BOARD_LOCK();
 125    grReset(GR_VERTEX_PARAMETER);
 126
 127    grCoordinateSpace(GR_WINDOW_COORDS);
 128    grVertexLayout(GR_PARAM_XY, GR_VERTEX_X_OFFSET << 2, GR_PARAM_ENABLE);
 129    grVertexLayout(GR_PARAM_PARGB, GR_VERTEX_PARGB_OFFSET << 2, GR_PARAM_ENABLE);
 130    grVertexLayout(GR_PARAM_Q, GR_VERTEX_OOW_OFFSET << 2, GR_PARAM_ENABLE);
 131    grVertexLayout(GR_PARAM_Z, GR_VERTEX_OOZ_OFFSET << 2, GR_PARAM_ENABLE);
 132    grVertexLayout(GR_PARAM_ST0, GR_VERTEX_SOW_TMU0_OFFSET << 2,
 133                   GR_PARAM_ENABLE);
 134    grVertexLayout(GR_PARAM_Q0, GR_VERTEX_OOW_TMU0_OFFSET << 2,
 135                   GR_PARAM_DISABLE);
 136    grVertexLayout(GR_PARAM_ST1, GR_VERTEX_SOW_TMU1_OFFSET << 2,
 137                   GR_PARAM_DISABLE);
 138    grVertexLayout(GR_PARAM_Q1, GR_VERTEX_OOW_TMU1_OFFSET << 2,
 139                   GR_PARAM_DISABLE);
 140    END_BOARD_LOCK();
 141 }
 142
 143 void
 144 FX_grHints_NoLock(GrHint_t hintType, FxU32 hintMask)
 145 {
 146    switch (hintType) {
 147    case GR_HINT_STWHINT:
 148       {
 149          if (hintMask & GR_STWHINT_W_DIFF_TMU0)
 150             grVertexLayout(GR_PARAM_Q0, GR_VERTEX_OOW_TMU0_OFFSET << 2,
 151                            GR_PARAM_ENABLE);
 152          else
 153             grVertexLayout(GR_PARAM_Q0, GR_VERTEX_OOW_TMU0_OFFSET << 2,
 154                            GR_PARAM_DISABLE);
 155
 156          if (hintMask & GR_STWHINT_ST_DIFF_TMU1)
 157             grVertexLayout(GR_PARAM_ST1, GR_VERTEX_SOW_TMU1_OFFSET << 2,
 158                            GR_PARAM_ENABLE);
 159          else
 160             grVertexLayout(GR_PARAM_ST1, GR_VERTEX_SOW_TMU1_OFFSET << 2,
 161                            GR_PARAM_DISABLE);
 162
 163          if (hintMask & GR_STWHINT_W_DIFF_TMU1)
 164             grVertexLayout(GR_PARAM_Q1, GR_VERTEX_OOW_TMU1_OFFSET << 2,
 165                            GR_PARAM_ENABLE);
 166          else
 167             grVertexLayout(GR_PARAM_Q1, GR_VERTEX_OOW_TMU1_OFFSET << 2,
 168                            GR_PARAM_DISABLE);
 169
 170       }
 171    }
 172 }
 173
 174 /*
 175  * Glide3 doesn't have the grSstQueryHardware function anymore.
 176  * Instead, we call grGet() and fill in the data structures ourselves.
 177  */
 178 int
 179 FX_grSstQueryHardware(GrHwConfiguration * config)
 180 {
 181    int i, j;
 182    int numFB;
 183
 184    BEGIN_BOARD_LOCK();
 185
 186    grGet(GR_NUM_BOARDS, 4, (void *) &(config->num_sst));
 187    if (config->num_sst == 0)
 188       return 0;
 189
 190    for (i = 0; i < config->num_sst; i++) {
 191       FxI32 result;
 192       const char *extension;
 193
 194       grSstSelect(i);
 195
 196       extension = grGetString(GR_HARDWARE);
 197       if (strstr(extension, "Voodoo2")) {
 198          config->SSTs[i].type = GR_SSTTYPE_Voodoo2;
 199       } else if (strstr(extension, "Voodoo Banshee")) {
 200          config->SSTs[i].type = GR_SSTTYPE_Banshee;
 201       } else if (strstr(extension, "Voodoo3")) {
 202          config->SSTs[i].type = GR_SSTTYPE_Voodoo3;
 203       } else if (strstr(extension, "Voodoo4")) {
 204          config->SSTs[i].type = GR_SSTTYPE_Voodoo4;
 205       } else if (strstr(extension, "Voodoo5")) {
 206          config->SSTs[i].type = GR_SSTTYPE_Voodoo5;
 207       } else { /* Voodoo1,rush */
 208          /* ZZZ TO DO: Need to distinguish whether we have V1 or Rush. */
 209          config->SSTs[i].type = GR_SSTTYPE_VOODOO;
 210       }
 211
 212       grGet(GR_MEMORY_FB, 4, &result); /* ZZZ: differs after grSstWinOpen */
 213       config->SSTs[i].fbRam = result / (1024 * 1024);
 214
 215       grGet(GR_NUM_TMU, 4, &result);
 216       config->SSTs[i].nTexelfx = result;
 217
 218       grGet(GR_REVISION_FB, 4, &result);
 219       config->SSTs[i].fbiRev = result;
 220
 221       for (j = 0; j < config->SSTs[i].nTexelfx; j++) {
 222          grGet(GR_MEMORY_TMU, 4, &result); /* ZZZ: differs after grSstWinOpen */
 223          config->SSTs[i].tmuConfig[j].tmuRam = result / (1024 * 1024);
 224          grGet(GR_REVISION_TMU, 4, &result);
 225          config->SSTs[i].tmuConfig[j].tmuRev = result;
 226       }
 227
 228       extension = grGetString(GR_EXTENSION);
 229       config->SSTs[i].HavePalExt = (strstr(extension, " PALETTE6666 ") != NULL);
 230       config->SSTs[i].HavePixExt = (strstr(extension, " PIXEXT ") != NULL);
 231       config->SSTs[i].HaveTexFmt = (strstr(extension, " TEXFMT ") != NULL);
 232       config->SSTs[i].HaveCmbExt = (strstr(extension, " COMBINE ") != NULL);
 233       config->SSTs[i].HaveMirExt = (strstr(extension, " TEXMIRROR ") != NULL);
 234       config->SSTs[i].HaveTexUma = (strstr(extension, " TEXUMA ") != NULL);
 235
 236       /* number of Voodoo chips */
 237       grGet(GR_NUM_FB, 4, (void *) &numFB);
 238       config->SSTs[i].numChips = numFB;
 239
 240    }
 241
 242    tdfx_hook_glide(&config->Glide);
 243
 244    END_BOARD_LOCK();
 245    return 1;
 246 }
 247
 248
 249
 250 #else
 251
 252 /*
 253  * Need this to provide at least one external definition.
 254  */
 255
 256 extern int gl_fx_dummy_function_glidew(void);
 257 int
 258 gl_fx_dummy_function_glidew(void)
 259 {
 260    return 0;
 261 }
 262
 263 #endif /* FX */