src/mesa/drivers/dri/tdfx/X86/fx_3dnow_fasttmp.h

   1 /* $XFree86: xc/lib/GL/mesa/src/drv/tdfx/X86/fx_3dnow_fasttmp.h,v 1.2 2000/09/26 15:56:51 tsi Exp $ */
   2
   3 #if !defined(NASM_ASSEMBLER) && !defined(MASM_ASSEMBLER)
   4 #define TAGLLBL(a) TAG(.L##a)
   5 #else
   6 #define TAGLLBL(a) TAG(a)
   7 #endif
   8
   9 #if !GLIDE3
  10
  11 #define GR_VERTEX_X_OFFSET              0
  12 #define GR_VERTEX_Y_OFFSET              4
  13 #define GR_VERTEX_Z_OFFSET              8
  14 #define GR_VERTEX_R_OFFSET              12
  15 #define GR_VERTEX_G_OFFSET              16
  16 #define GR_VERTEX_B_OFFSET              20
  17 #define GR_VERTEX_OOZ_OFFSET            24
  18 #define GR_VERTEX_A_OFFSET              28
  19 #define GR_VERTEX_OOW_OFFSET            32
  20
  21 #else /* GLIDE3 */
  22
  23 #define GR_VERTEX_X_OFFSET              0
  24 #define GR_VERTEX_Y_OFFSET              4
  25 #define GR_VERTEX_OOZ_OFFSET            8
  26 #define GR_VERTEX_OOW_OFFSET            12
  27 #define GR_VERTEX_R_OFFSET              16
  28 #define GR_VERTEX_G_OFFSET              20
  29 #define GR_VERTEX_B_OFFSET              24
  30 #define GR_VERTEX_A_OFFSET              28
  31 #define GR_VERTEX_Z_OFFSET              32
  32
  33 #endif /* GLIDE3 */
  34
  35 #define GR_VERTEX_SOW_TMU0_OFFSET       36
  36 #define GR_VERTEX_TOW_TMU0_OFFSET       40
  37 #define GR_VERTEX_OOW_TMU0_OFFSET       44
  38 #define GR_VERTEX_SOW_TMU1_OFFSET       48
  39 #define GR_VERTEX_TOW_TMU1_OFFSET       52
  40 #define GR_VERTEX_OOW_TMU1_OFFSET       56
  41
  42
  43
  44
  45 /*#define MAT_SX 0        /*  accessed by REGIND !! */
  46 #define MAT_SY 20
  47 #define MAT_SZ 40
  48 #define MAT_TX 48
  49 #define MAT_TY 52
  50 #define MAT_TZ 56
  51
  52
  53
  54
  55 /* Do viewport map, device scale and perspective projection.
  56  *
  57  * void project_verts( GLfloat *first,
  58  *                     GLfloat *last,
  59  *                     const GLfloat *m,
  60  *                     GLuint stride )
  61  *
  62  *
  63  * Rearrange fxVertices to look like grVertices.
  64  */
  65
  66 GLOBL GLNAME( TAG(fx_3dnow_project_vertices) )
  67 GLNAME( TAG(fx_3dnow_project_vertices) ):
  68
  69     PUSH_L    ( EBP )
  70
  71     MOV_L     ( REGOFF(8, ESP), ECX )    /* first_vert */
  72     MOV_L     ( REGOFF(12, ESP), EDX )     /* last_vert */
  73
  74     CMP_L     ( ECX, EDX )
  75     JE        ( TAGLLBL(FXPV_end) )
  76
  77     FEMMS
  78
  79     PREFETCH  ( REGIND(ECX) )         /* fetch the first vertex */
  80
  81     MOV_L     ( REGOFF(16, ESP), EBP )     /* matrix */
  82     MOV_L     ( REGOFF(20, ESP), EAX )     /* stride */
  83
  84     MOVD      ( REGOFF(MAT_TX, EBP), MM6 )      /*             | tx           */
  85     PUNPCKLDQ ( REGOFF(MAT_TY, EBP), MM6 )      /*  ty         | tx           */
  86
  87 #if !defined(FX_V2)
  88     MOV_L     ( CONST(0x49400000), REGOFF(-8, ESP) )    /*  snapper           */
  89     MOV_L     ( CONST(0x49400000), REGOFF(-4, ESP) )    /*  snapper           */
  90 #endif
  91
  92     MOVQ      ( REGOFF(-8, ESP), MM4 )          /*  snapper    | snapper      */
  93     PFADD     ( MM4, MM6 )                      /*  ty+snapper | tx+snapper   */
  94
  95     MOVD      ( REGIND(EBP), MM5 )
  96     PUNPCKLDQ ( REGOFF(MAT_SY, EBP), MM5 )      /*  vsy        | vsx          */
  97
  98     MOVD      ( REGOFF(MAT_SZ, EBP), MM1 )      /*             | vsz          */
  99
 100
 101 ALIGNTEXT32
 102 TAGLLBL(FXPV_loop_start):
 103
 104     PREFETCH  ( REGOFF(64, ECX) )               /* fetch the next-ish vertex */
 105
 106
 107     MOVD      ( REGOFF(12, ECX), MM0 )          /*              | f[3]        */
 108     PFRCP     ( MM0, MM0 )                      /*  oow = 1/f[3]              */
 109
 110     MOVD      ( REGOFF(12, ECX), MM7 )          /*              | f[3]        */
 111     PFRCPIT1  ( MM0, MM7 )
 112     PFRCPIT2  ( MM0, MM7 )                      /*  oow         | oow         */
 113
 114     PUNPCKLDQ ( MM7, MM7 )
 115
 116
 117 #if (TYPE & SETUP_RGBA)
 118     MOVD      ( REGOFF(CLIP_R, ECX ), MM0 )     /*  f[RCOORD] = f[CLIP_R];    */
 119     MOVD      ( MM0, REGOFF(GR_VERTEX_R_OFFSET, ECX) )
 120 #endif
 121
 122 #if (TYPE & SETUP_TMU1)
 123     MOVQ      ( REGOFF(CLIP_S1, ECX), MM0 ) /* f[S1COORD] = f[CLIP_S1] * oow  */
 124     PFMUL     ( MM7, MM0 )                  /* f[T1COORD] = f[CLIP_T1] * oow  */
 125     MOVQ      ( MM0, REGOFF(GR_VERTEX_SOW_TMU1_OFFSET, ECX) )
 126 #endif
 127
 128
 129 #if (TYPE & SETUP_TMU0)
 130     MOVQ      ( REGOFF(CLIP_S0, ECX), MM0 ) /* f[S0COORD] = f[CLIP_S0] * oow  */
 131     PFMUL     ( MM7, MM0 )                  /* f[T0COORD] = f[CLIP_T0] * oow  */
 132     MOVQ      ( MM0, REGOFF(GR_VERTEX_SOW_TMU0_OFFSET, ECX) )
 133 #endif
 134
 135
 136
 137
 138
 139 /*  DO_SETUP_XYZ */
 140
 141     MOVQ      ( REGIND(ECX), MM2 )              /*  f[1]        | f[0]        */
 142     PFMUL     ( MM7, MM2 )                      /*  f[1] * oow  | f[0] * oow  */
 143
 144     MOVD      ( REGOFF(8, ECX), MM3 )           /*              | f[2]        */
 145     PFMUL     ( MM7, MM3 )                      /*              | f[2] * oow  */
 146
 147     MOVD      ( REGOFF(MAT_TZ, EBP), MM0 )      /*              | vtz         */
 148     PFMUL     ( MM1, MM3 )                      /*              | f[2] *= vsz */
 149
 150     PFADD     ( MM0, MM3 )                      /*              | f[2] += vtz */
 151     PFMUL     ( MM5, MM2 )                      /*  f[1] *= vsy | f[0] *= vsx */
 152
 153     PFADD     ( MM6, MM2 )                      /*  f[1] += vty | f[0] += vtx */
 154
 155 #if !defined(FX_V2)
 156     PFSUB     ( MM4, MM2 )                      /*  f[0,1] -= snapper         */
 157 #endif
 158
 159     MOVQ      ( MM2, REGOFF(GR_VERTEX_X_OFFSET, ECX) )
 160     MOVD      ( MM3, REGOFF(GR_VERTEX_OOZ_OFFSET, ECX) )
 161
 162
 163 /* end of DO_SETUP_XYZ   */
 164
 165     MOVD      ( MM7, REGOFF(GR_VERTEX_OOW_OFFSET, ECX) ) /* f[OOWCOORD] = oow */
 166     ADD_L     ( EAX, ECX )        /* f += stride */
 167
 168     CMP_L     ( ECX, EDX )      /* stall??? */
 169     JA        ( TAGLLBL(FXPV_loop_start) )
 170
 171 TAGLLBL(FXPV_end):
 172     FEMMS
 173     POP_L     ( EBP )
 174     RET
 175
 176
 177
 178
 179
 180
 181
 182 /* void project_verts( GLfloat *first,
 183  *                     GLfloat *last,
 184  *                     const GLfloat *m,
 185  *                     GLuint stride,
 186  *                     const GLubyte *mask )
 187  *
 188  */
 189
 190 GLOBL GLNAME( TAG(fx_3dnow_project_clipped_vertices) )
 191 GLNAME( TAG(fx_3dnow_project_clipped_vertices) ):
 192
 193     PUSH_L    ( EBP )
 194
 195     MOV_L     ( REGOFF(8, ESP), ECX ) /* first FXDRIVER(VB)->verts*/
 196     MOV_L     ( REGOFF(12, ESP), EDX ) /* last FXDRIVER(VB)->last_vert  */
 197
 198     FEMMS
 199
 200     PUSH_L    ( EDI )
 201     PUSH_L    ( ESI )
 202
 203     PREFETCH  ( REGIND(ECX) )         /* fetch the first vertex */
 204
 205     MOV_L     ( REGOFF(24, ESP), EBP ) /* mat ctx->Viewport.WindowMap.M */
 206     MOV_L     ( REGOFF(28, ESP), EAX )     /* stride */
 207     MOV_L     ( REGOFF(32, ESP), ESI ) /* VB->ClipMask       */
 208
 209     MOVD      ( REGOFF(MAT_TX, EBP), MM6 )      /*             | tx           */
 210     PUNPCKLDQ ( REGOFF(MAT_TY, EBP), MM6 )      /*  ty         | tx           */
 211
 212 #if !defined(FX_V2)
 213     MOV_L     ( CONST(0x49400000), REGOFF(-8, ESP) )    /*  snapper           */
 214     MOV_L     ( CONST(0x49400000), REGOFF(-4, ESP) )    /*  snapper           */
 215 #endif
 216
 217     MOVQ      ( REGOFF(-8, ESP), MM4 )          /*  snapper    | snapper      */
 218     PFADD     ( MM4, MM6 )                      /*  ty+snapper | tx+snapper   */
 219
 220     MOVD      ( REGIND(EBP), MM5 )
 221     PUNPCKLDQ ( REGOFF(MAT_SY, EBP), MM5 )      /*  vsy        | vsx          */
 222
 223     MOVD      ( REGOFF(MAT_SZ, EBP), MM1 )      /*             | vsz          */
 224
 225
 226
 227 ALIGNTEXT32
 228 TAGLLBL(FXPCV_loop_start):
 229
 230     PREFETCH  ( REGOFF(64, ECX) )         /* fetch the next-ish vertex */
 231
 232     CMP_B     ( CONST(0), REGIND(ESI) )
 233     JNE       ( TAGLLBL(FXPCV_skip) )
 234
 235     MOVD      ( REGOFF(12, ECX), MM0)           /*              | f[3]        */
 236     PFRCP     ( MM0, MM0 )                      /*  oow = 1/f[3]              */
 237
 238     MOVD      ( REGOFF(12, ECX), MM7)           /*              | f[3]        */
 239     PFRCPIT1  ( MM0, MM7 )
 240     PFRCPIT2  ( MM0, MM7 )                      /*  oow         | oow         */
 241
 242     PUNPCKLDQ ( MM7, MM7 )
 243
 244
 245 #if (TYPE & SETUP_RGBA)
 246     MOVD      ( REGOFF(CLIP_R, ECX ), MM0 )     /*  f[RCOORD] = f[CLIP_R];    */
 247     MOVD      ( MM0, REGOFF(GR_VERTEX_R_OFFSET, ECX) )
 248 #endif
 249
 250 #if (TYPE & SETUP_TMU1)
 251     MOVQ      ( REGOFF(CLIP_S1, ECX), MM0 ) /* f[S1COORD] = f[CLIP_S1] * oow  */
 252     PFMUL     ( MM7, MM0 )                  /* f[T1COORD] = f[CLIP_T1] * oow  */
 253     MOVQ      ( MM0, REGOFF(GR_VERTEX_SOW_TMU1_OFFSET, ECX) )
 254 #endif
 255
 256
 257 #if (TYPE & SETUP_TMU0)
 258     MOVQ      ( REGOFF(CLIP_S0, ECX), MM0 ) /* f[S0COORD] = f[CLIP_S0] * oow  */
 259     PFMUL     ( MM7, MM0 )                  /* f[T0COORD] = f[CLIP_T0] * oow  */
 260     MOVQ      ( MM0, REGOFF(GR_VERTEX_SOW_TMU0_OFFSET, ECX) )
 261 #endif
 262
 263
 264
 265
 266 /*  DO_SETUP_XYZ */
 267
 268     MOVQ      ( REGIND(ECX), MM2 )              /*  f[1]        | f[0]        */
 269     PFMUL     ( MM7, MM2 )                      /*  f[1] * oow  | f[0] * oow  */
 270
 271     MOVD      ( REGOFF(8, ECX), MM3 )           /*              | f[2]        */
 272     PFMUL     ( MM7, MM3 )                      /*              | f[2] * oow  */
 273
 274     MOVD      ( REGOFF(MAT_TZ, EBP), MM0 )      /*              | vtz         */
 275     PFMUL     ( MM1, MM3 )                      /*              | f[2] *= vsz */
 276
 277     PFADD     ( MM0, MM3 )                      /*              | f[2] += vtz */
 278     PFMUL     ( MM5, MM2 )                      /*  f[1] *= vsy | f[0] *= vsx */
 279
 280     PFADD     ( MM6, MM2 )                      /*  f[1] += vty | f[0] += vtx */
 281
 282 #if !defined(FX_V2)
 283     PFSUB     ( MM4, MM2 )                      /*  f[0,1] -= snapper         */
 284 #endif
 285
 286     MOVQ      ( MM2, REGOFF(GR_VERTEX_X_OFFSET, ECX) )
 287     MOVD      ( MM3, REGOFF(GR_VERTEX_OOZ_OFFSET, ECX) )
 288
 289
 290 /* end of DO_SETUP_XYZ   */
 291
 292     MOVD      ( MM7, REGOFF(GR_VERTEX_OOW_OFFSET, ECX) ) /* f[OOWCOORD] = oow */
 293
 294 TAGLLBL(FXPCV_skip):
 295     ADD_L     ( EAX, ECX )    /* f += stride     */
 296
 297     INC_L     ( ESI )                           /*  next ClipMask             */
 298     CMP_L     ( ECX, EDX )
 299     JA        ( TAGLLBL(FXPCV_loop_start) )
 300
 301     POP_L     ( ESI )
 302     POP_L     ( EDI )
 303
 304 TAGLLBL(FXPCV_end):
 305     FEMMS
 306     POP_L     ( EBP )
 307     RET
 308
 309
 310
 311 #undef TYPE
 312 #undef TAG
 313 #undef SIZE
 314