src/mesa/drivers/dri/r200/r200_maos_verts.c

   1 /* $XFree86: xc/lib/GL/mesa/src/drv/r200/r200_maos_verts.c,v 1.1 2002/10/30 12:51:52 alanh Exp $ */
   2 /*
   3 Copyright (C) The Weather Channel, Inc.  2002.  All Rights Reserved.
   4
   5 The Weather Channel (TM) funded Tungsten Graphics to develop the
   6 initial release of the Radeon 8500 driver under the XFree86 license.
   7 This notice must be preserved.
   8
   9 Permission is hereby granted, free of charge, to any person obtaining
  10 a copy of this software and associated documentation files (the
  11 "Software"), to deal in the Software without restriction, including
  12 without limitation the rights to use, copy, modify, merge, publish,
  13 distribute, sublicense, and/or sell copies of the Software, and to
  14 permit persons to whom the Software is furnished to do so, subject to
  15 the following conditions:
  16
  17 The above copyright notice and this permission notice (including the
  18 next paragraph) shall be included in all copies or substantial
  19 portions of the Software.
  20
  21 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  24 IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  25 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28
  29 **************************************************************************/
  30
  31 /*
  32  * Authors:
  33  *   Keith Whitwell <keith@tungstengraphics.com>
  34  */
  35
  36 #include "glheader.h"
  37 #include "imports.h"
  38 #include "mmath.h"
  39 #include "mtypes.h"
  40 #include "enums.h"
  41 #include "colormac.h"
  42 #include "light.h"
  43
  44 #include "array_cache/acache.h"
  45 #include "tnl/tnl.h"
  46 #include "tnl/t_pipeline.h"
  47 #include "tnl/t_imm_debug.h"
  48
  49 #include "r200_context.h"
  50 #include "r200_state.h"
  51 #include "r200_ioctl.h"
  52 #include "r200_tex.h"
  53 #include "r200_tcl.h"
  54 #include "r200_swtcl.h"
  55 #include "r200_maos.h"
  56
  57
  58 #define R200_TCL_MAX_SETUP 13
  59
  60 union emit_union { float f; GLuint ui; GLubyte ub[4]; };
  61
  62 static struct {
  63    void   (*emit)( GLcontext *, GLuint, GLuint, void * );
  64    GLuint vertex_size;
  65    GLuint vertex_format;
  66 } setup_tab[R200_TCL_MAX_SETUP];
  67
  68 #define DO_W    (IND & R200_CP_VC_FRMT_W0)
  69 #define DO_RGBA (IND & R200_CP_VC_FRMT_PKCOLOR)
  70 #define DO_SPEC (IND & R200_CP_VC_FRMT_PKSPEC)
  71 #define DO_FOG  (IND & R200_CP_VC_FRMT_PKSPEC)
  72 #define DO_TEX0 (IND & R200_CP_VC_FRMT_ST0)
  73 #define DO_TEX1 (IND & R200_CP_VC_FRMT_ST1)
  74 #define DO_PTEX (IND & R200_CP_VC_FRMT_Q0)
  75 #define DO_NORM (IND & R200_CP_VC_FRMT_N0)
  76
  77 #define DO_TEX2 0
  78 #define DO_TEX3 0
  79
  80 #define GET_TEXSOURCE(n)  n
  81
  82 /***********************************************************************
  83  *             Generate vertex emit functions               *
  84  ***********************************************************************/
  85
  86
  87 /* Defined in order of increasing vertex size:
  88  */
  89 #define IDX 0
  90 #define IND (R200_CP_VC_FRMT_XY|                \
  91              R200_CP_VC_FRMT_Z|         \
  92              R200_CP_VC_FRMT_PKCOLOR)
  93 #define TAG(x) x##_rgba
  94 #include "r200_maos_vbtmp.h"
  95
  96 #define IDX 1
  97 #define IND (R200_CP_VC_FRMT_XY|                \
  98              R200_CP_VC_FRMT_Z|         \
  99              R200_CP_VC_FRMT_N0)
 100 #define TAG(x) x##_n
 101 #include "r200_maos_vbtmp.h"
 102
 103 #define IDX 2
 104 #define IND (R200_CP_VC_FRMT_XY|                \
 105              R200_CP_VC_FRMT_Z|         \
 106              R200_CP_VC_FRMT_PKCOLOR|           \
 107              R200_CP_VC_FRMT_ST0)
 108 #define TAG(x) x##_rgba_st
 109 #include "r200_maos_vbtmp.h"
 110
 111 #define IDX 3
 112 #define IND (R200_CP_VC_FRMT_XY|                \
 113              R200_CP_VC_FRMT_Z|         \
 114              R200_CP_VC_FRMT_PKCOLOR|           \
 115              R200_CP_VC_FRMT_N0)
 116 #define TAG(x) x##_rgba_n
 117 #include "r200_maos_vbtmp.h"
 118
 119 #define IDX 4
 120 #define IND (R200_CP_VC_FRMT_XY|                \
 121              R200_CP_VC_FRMT_Z|         \
 122              R200_CP_VC_FRMT_ST0|               \
 123              R200_CP_VC_FRMT_N0)
 124 #define TAG(x) x##_st_n
 125 #include "r200_maos_vbtmp.h"
 126
 127 #define IDX 5
 128 #define IND (R200_CP_VC_FRMT_XY|                \
 129              R200_CP_VC_FRMT_Z|         \
 130              R200_CP_VC_FRMT_PKCOLOR|           \
 131              R200_CP_VC_FRMT_ST0|               \
 132              R200_CP_VC_FRMT_ST1)
 133 #define TAG(x) x##_rgba_st_st
 134 #include "r200_maos_vbtmp.h"
 135
 136 #define IDX 6
 137 #define IND (R200_CP_VC_FRMT_XY|                \
 138              R200_CP_VC_FRMT_Z|         \
 139              R200_CP_VC_FRMT_PKCOLOR|           \
 140              R200_CP_VC_FRMT_ST0|               \
 141              R200_CP_VC_FRMT_N0)
 142 #define TAG(x) x##_rgba_st_n
 143 #include "r200_maos_vbtmp.h"
 144
 145 #define IDX 7
 146 #define IND (R200_CP_VC_FRMT_XY|                \
 147              R200_CP_VC_FRMT_Z|         \
 148              R200_CP_VC_FRMT_PKCOLOR|           \
 149              R200_CP_VC_FRMT_PKSPEC|            \
 150              R200_CP_VC_FRMT_ST0|               \
 151              R200_CP_VC_FRMT_ST1)
 152 #define TAG(x) x##_rgba_spec_st_st
 153 #include "r200_maos_vbtmp.h"
 154
 155 #define IDX 8
 156 #define IND (R200_CP_VC_FRMT_XY|                \
 157              R200_CP_VC_FRMT_Z|         \
 158              R200_CP_VC_FRMT_ST0|               \
 159              R200_CP_VC_FRMT_ST1|               \
 160              R200_CP_VC_FRMT_N0)
 161 #define TAG(x) x##_st_st_n
 162 #include "r200_maos_vbtmp.h"
 163
 164 #define IDX 9
 165 #define IND (R200_CP_VC_FRMT_XY|                \
 166              R200_CP_VC_FRMT_Z|         \
 167              R200_CP_VC_FRMT_PKCOLOR|           \
 168              R200_CP_VC_FRMT_PKSPEC|            \
 169              R200_CP_VC_FRMT_ST0|               \
 170              R200_CP_VC_FRMT_ST1|               \
 171              R200_CP_VC_FRMT_N0)
 172 #define TAG(x) x##_rgba_spec_st_st_n
 173 #include "r200_maos_vbtmp.h"
 174
 175 #define IDX 10
 176 #define IND (R200_CP_VC_FRMT_XY|                \
 177              R200_CP_VC_FRMT_Z|         \
 178              R200_CP_VC_FRMT_PKCOLOR|           \
 179              R200_CP_VC_FRMT_ST0|               \
 180              R200_CP_VC_FRMT_Q0)
 181 #define TAG(x) x##_rgba_stq
 182 #include "r200_maos_vbtmp.h"
 183
 184 #define IDX 11
 185 #define IND (R200_CP_VC_FRMT_XY|                \
 186              R200_CP_VC_FRMT_Z|         \
 187              R200_CP_VC_FRMT_PKCOLOR|           \
 188              R200_CP_VC_FRMT_ST1|               \
 189              R200_CP_VC_FRMT_Q1|                \
 190              R200_CP_VC_FRMT_ST0|               \
 191              R200_CP_VC_FRMT_Q0)
 192 #define TAG(x) x##_rgba_stq_stq
 193 #include "r200_maos_vbtmp.h"
 194
 195 #define IDX 12
 196 #define IND (R200_CP_VC_FRMT_XY|                \
 197              R200_CP_VC_FRMT_Z|         \
 198              R200_CP_VC_FRMT_W0|                \
 199              R200_CP_VC_FRMT_PKCOLOR|           \
 200              R200_CP_VC_FRMT_PKSPEC|            \
 201              R200_CP_VC_FRMT_ST0|               \
 202              R200_CP_VC_FRMT_Q0|                \
 203              R200_CP_VC_FRMT_ST1|               \
 204              R200_CP_VC_FRMT_Q1|                \
 205              R200_CP_VC_FRMT_N0)
 206 #define TAG(x) x##_w_rgba_spec_stq_stq_n
 207 #include "r200_maos_vbtmp.h"
 208
 209
 210
 211
 212
 213 /***********************************************************************
 214  *                         Initialization
 215  ***********************************************************************/
 216
 217
 218 static void init_tcl_verts( void )
 219 {
 220    init_rgba();
 221    init_n();
 222    init_rgba_n();
 223    init_rgba_st();
 224    init_st_n();
 225    init_rgba_st_st();
 226    init_rgba_st_n();
 227    init_rgba_spec_st_st();
 228    init_st_st_n();
 229    init_rgba_spec_st_st_n();
 230    init_rgba_stq();
 231    init_rgba_stq_stq();
 232    init_w_rgba_spec_stq_stq_n();
 233 }
 234
 235
 236 void r200EmitArrays( GLcontext *ctx, GLuint inputs )
 237 {
 238    r200ContextPtr rmesa = R200_CONTEXT(ctx);
 239    struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
 240    GLuint req = 0;
 241    GLuint vtx = (rmesa->hw.tcl.cmd[TCL_OUTPUT_VTXFMT] &
 242                  ~(R200_TCL_VTX_Q0|R200_TCL_VTX_Q1));
 243    int i;
 244    static int firsttime = 1;
 245
 246    if (firsttime) {
 247       init_tcl_verts();
 248       firsttime = 0;
 249    }
 250
 251    if (1) {
 252       req |= R200_CP_VC_FRMT_Z;
 253       if (VB->ObjPtr->size == 4) {
 254          req |= R200_CP_VC_FRMT_W0;
 255       }
 256    }
 257
 258    if (inputs & VERT_BIT_NORMAL) {
 259       req |= R200_CP_VC_FRMT_N0;
 260    }
 261
 262    if (inputs & VERT_BIT_COLOR0) {
 263       req |= R200_CP_VC_FRMT_PKCOLOR;
 264    }
 265
 266    if (inputs & VERT_BIT_COLOR1) {
 267       req |= R200_CP_VC_FRMT_PKSPEC;
 268    }
 269
 270    if (inputs & VERT_BIT_TEX0) {
 271       req |= R200_CP_VC_FRMT_ST0;
 272
 273       if (VB->TexCoordPtr[0]->size == 4) {
 274          req |= R200_CP_VC_FRMT_Q0;
 275          vtx |= R200_TCL_VTX_Q0;
 276       }
 277    }
 278
 279    if (inputs & VERT_BIT_TEX1) {
 280       req |= R200_CP_VC_FRMT_ST1;
 281
 282       if (VB->TexCoordPtr[1]->size == 4) {
 283          req |= R200_CP_VC_FRMT_Q1;
 284          vtx |= R200_TCL_VTX_Q1;
 285       }
 286    }
 287
 288    if (vtx != rmesa->hw.tcl.cmd[TCL_OUTPUT_VTXFMT]) {
 289       R200_STATECHANGE( rmesa, tcl );
 290       rmesa->hw.tcl.cmd[TCL_OUTPUT_VTXFMT] = vtx;
 291    }
 292
 293    for (i = 0 ; i < R200_TCL_MAX_SETUP ; i++)
 294       if ((setup_tab[i].vertex_format & req) == req)
 295          break;
 296
 297    if (rmesa->tcl.vertex_format == setup_tab[i].vertex_format &&
 298        rmesa->tcl.indexed_verts.buf)
 299       return;
 300
 301    if (rmesa->tcl.indexed_verts.buf)
 302       r200ReleaseArrays( ctx, ~0 );
 303
 304    r200AllocDmaRegionVerts( rmesa,
 305                               &rmesa->tcl.indexed_verts,
 306                               VB->Count,
 307                               setup_tab[i].vertex_size * 4,
 308                               4);
 309
 310    setup_tab[i].emit( ctx, 0, VB->Count,
 311                       rmesa->tcl.indexed_verts.address +
 312                       rmesa->tcl.indexed_verts.start );
 313
 314    rmesa->tcl.vertex_format = setup_tab[i].vertex_format;
 315    rmesa->tcl.indexed_verts.aos_start = GET_START( &rmesa->tcl.indexed_verts );
 316    rmesa->tcl.indexed_verts.aos_size = setup_tab[i].vertex_size;
 317    rmesa->tcl.indexed_verts.aos_stride = setup_tab[i].vertex_size;
 318
 319    rmesa->tcl.aos_components[0] = &rmesa->tcl.indexed_verts;
 320    rmesa->tcl.nr_aos_components = 1;
 321 }
 322
 323
 324
 325 void r200ReleaseArrays( GLcontext *ctx, GLuint newinputs )
 326 {
 327    r200ContextPtr rmesa = R200_CONTEXT( ctx );
 328
 329    if (R200_DEBUG & DEBUG_VERTS)
 330       _tnl_print_vert_flags( __FUNCTION__, newinputs );
 331
 332    if (newinputs)
 333      r200ReleaseDmaRegion( rmesa, &rmesa->tcl.indexed_verts, __FUNCTION__ );
 334 }