src/mesa/drivers/dri/r300/r300_swtcl.c

   1 /**************************************************************************
   2
   3 Copyright (C) 2007 Dave Airlie
   4
   5 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 on the rights to use, copy, modify, merge, publish, distribute, sub
  11 license, and/or sell copies of the Software, and to permit persons to whom
  12 the Software is furnished to do so, subject to the following conditions:
  13
  14 The above copyright notice and this permission notice (including the next
  15 paragraph) shall be included in all copies or substantial portions of the
  16 Software.
  17
  18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20 FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  21 THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
  22 DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  23 OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  24 USE OR OTHER DEALINGS IN THE SOFTWARE.
  25
  26 **************************************************************************/
  27
  28 /*
  29  * Authors:
  30  *   Dave Airlie <airlied@linux.ie>
  31  */
  32
  33 /* derived from r200 swtcl path */
  34
  35
  36
  37 #include "glheader.h"
  38 #include "mtypes.h"
  39 #include "colormac.h"
  40 #include "enums.h"
  41 #include "image.h"
  42 #include "imports.h"
  43 #include "macros.h"
  44
  45 #include "swrast/s_context.h"
  46 #include "swrast/s_fog.h"
  47 #include "swrast_setup/swrast_setup.h"
  48 #include "math/m_translate.h"
  49 #include "tnl/tnl.h"
  50 #include "tnl/t_context.h"
  51 #include "tnl/t_pipeline.h"
  52
  53 #include "r300_context.h"
  54 #include "r300_swtcl.h"
  55 #include "r300_state.h"
  56 #include "r300_ioctl.h"
  57 #include "r300_emit.h"
  58 #include "r300_mem.h"
  59
  60 static void flush_last_swtcl_prim( r300ContextPtr rmesa  );
  61
  62
  63 void r300EmitVertexAOS(r300ContextPtr rmesa, GLuint vertex_size, GLuint offset);
  64 void r300EmitVbufPrim(r300ContextPtr rmesa, GLuint primitive, GLuint vertex_nr);
  65 #define EMIT_ATTR( ATTR, STYLE )                                        \
  66 do {                                                                    \
  67    rmesa->swtcl.vertex_attrs[rmesa->swtcl.vertex_attr_count].attrib = (ATTR);   \
  68    rmesa->swtcl.vertex_attrs[rmesa->swtcl.vertex_attr_count].format = (STYLE);  \
  69    rmesa->swtcl.vertex_attr_count++;                                    \
  70 } while (0)
  71
  72 #define EMIT_PAD( N )                                                   \
  73 do {                                                                    \
  74    rmesa->swtcl.vertex_attrs[rmesa->swtcl.vertex_attr_count].attrib = 0;                \
  75    rmesa->swtcl.vertex_attrs[rmesa->swtcl.vertex_attr_count].format = EMIT_PAD; \
  76    rmesa->swtcl.vertex_attrs[rmesa->swtcl.vertex_attr_count].offset = (N);              \
  77    rmesa->swtcl.vertex_attr_count++;                                    \
  78 } while (0)
  79
  80 /* this differs from the VIR0 in emit.c - TODO merge them using another option */
  81 static GLuint r300VAPInputRoute0(uint32_t * dst, GLvector4f ** attribptr,
  82                                  int *inputs, GLint * tab, GLuint nr)
  83 {
  84         GLuint i, dw;
  85
  86         /* type, inputs, stop bit, size */
  87         for (i = 0; i + 1 < nr; i += 2) {
  88                 dw = (inputs[tab[i]] << 8) | 0x3;
  89                 dw |= ((inputs[tab[i + 1]] << 8) | 0x3) << 16;
  90                 if (i + 2 == nr) {
  91                         dw |= (R300_VAP_INPUT_ROUTE_END << 16);
  92                 }
  93                 dst[i >> 1] = dw;
  94         }
  95
  96         if (nr & 1) {
  97                 dw = (inputs[tab[nr - 1]] << 8) | 0x3;
  98                 dw |= R300_VAP_INPUT_ROUTE_END;
  99                 dst[nr >> 1] = dw;
 100         }
 101
 102         return (nr + 1) >> 1;
 103 }
 104
 105 static void r300SetVertexFormat( GLcontext *ctx )
 106 {
 107         r300ContextPtr rmesa = R300_CONTEXT( ctx );
 108         TNLcontext *tnl = TNL_CONTEXT(ctx);
 109         struct vertex_buffer *VB = &tnl->vb;
 110         DECLARE_RENDERINPUTS(index_bitset);
 111         GLuint InputsRead = 0, OutputsWritten = 0;
 112         int vap_fmt_0 = 0;
 113         int vap_vte_cntl = 0;
 114         int offset = 0;
 115         int vte = 0;
 116         GLint inputs[VERT_ATTRIB_MAX];
 117         GLint tab[VERT_ATTRIB_MAX];
 118         int swizzle[VERT_ATTRIB_MAX][4];
 119         GLuint i, nr;
 120
 121         DECLARE_RENDERINPUTS(render_inputs_bitset);
 122         RENDERINPUTS_COPY(render_inputs_bitset, tnl->render_inputs_bitset);
 123         RENDERINPUTS_COPY( index_bitset, tnl->render_inputs_bitset );
 124         RENDERINPUTS_COPY(rmesa->state.render_inputs_bitset, render_inputs_bitset);
 125
 126         /* Important:
 127          */
 128         if ( VB->NdcPtr != NULL ) {
 129                 VB->AttribPtr[VERT_ATTRIB_POS] = VB->NdcPtr;
 130         }
 131         else {
 132                 VB->AttribPtr[VERT_ATTRIB_POS] = VB->ClipPtr;
 133         }
 134
 135         assert( VB->AttribPtr[VERT_ATTRIB_POS] != NULL );
 136         rmesa->swtcl.vertex_attr_count = 0;
 137
 138         /* EMIT_ATTR's must be in order as they tell t_vertex.c how to
 139          * build up a hardware vertex.
 140          */
 141         if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_POS)) {
 142                 vap_vte_cntl |= R300_VTX_W0_FMT;
 143                 InputsRead |= 1 << VERT_ATTRIB_POS;
 144                 OutputsWritten |= 1 << VERT_RESULT_HPOS;
 145                 EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_4F );
 146         } else
 147                 EMIT_PAD(4 * sizeof(float));
 148
 149         offset = 4;
 150
 151         if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_POINTSIZE )) {
 152                 EMIT_ATTR( _TNL_ATTRIB_POINTSIZE, EMIT_1F );
 153                 vap_fmt_0 |=  R300_VAP_OUTPUT_VTX_FMT_0__PT_SIZE_PRESENT;
 154                 offset += 1;
 155         }
 156
 157         if (RENDERINPUTS_TEST(index_bitset, _TNL_ATTRIB_COLOR0)) {
 158                 rmesa->swtcl.coloroffset = offset;
 159                 InputsRead |= 1 << VERT_ATTRIB_COLOR0;
 160                 OutputsWritten |= 1 << VERT_RESULT_COL0;
 161                 EMIT_ATTR( _TNL_ATTRIB_COLOR0, EMIT_4F );
 162         }
 163
 164         offset += 4;
 165
 166         rmesa->swtcl.specoffset = 0;
 167         if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_COLOR1 )) {
 168                 rmesa->swtcl.specoffset = offset;
 169                 EMIT_ATTR( _TNL_ATTRIB_COLOR1, EMIT_4F );
 170                 InputsRead |= 1 << VERT_ATTRIB_COLOR1;
 171                 OutputsWritten |= 1 << VERT_RESULT_COL1;
 172         }
 173
 174         if (RENDERINPUTS_TEST_RANGE( index_bitset, _TNL_FIRST_TEX, _TNL_LAST_TEX )) {
 175                 int i;
 176
 177                 for (i = 0; i < ctx->Const.MaxTextureUnits; i++) {
 178                         if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_TEX(i) )) {
 179                                 InputsRead |= 1 << (VERT_ATTRIB_TEX0 + i);
 180                                 OutputsWritten |= 1 << (VERT_RESULT_TEX0 + i);
 181                                 EMIT_ATTR( _TNL_ATTRIB_TEX0+i, EMIT_4F );
 182                         }
 183                 }
 184         }
 185
 186         for (i = 0, nr = 0; i < VERT_ATTRIB_MAX; i++) {
 187                 if (InputsRead & (1 << i)) {
 188                         inputs[i] = nr++;
 189                 } else {
 190                         inputs[i] = -1;
 191                 }
 192         }
 193
 194         /* Fixed, apply to vir0 only */
 195         if (InputsRead & (1 << VERT_ATTRIB_POS))
 196                 inputs[VERT_ATTRIB_POS] = 0;
 197         if (InputsRead & (1 << VERT_ATTRIB_COLOR0))
 198                 inputs[VERT_ATTRIB_COLOR0] = 2;
 199         if (InputsRead & (1 << VERT_ATTRIB_COLOR1))
 200                 inputs[VERT_ATTRIB_COLOR1] = 3;
 201         for (i = VERT_ATTRIB_TEX0; i <= VERT_ATTRIB_TEX7; i++)
 202                 if (InputsRead & (1 << i))
 203                         inputs[i] = 6 + (i - VERT_ATTRIB_TEX0);
 204
 205         for (i = 0, nr = 0; i < VERT_ATTRIB_MAX; i++) {
 206                 if (InputsRead & (1 << i)) {
 207                         tab[nr++] = i;
 208                 }
 209         }
 210
 211         for (i = 0; i < nr; i++) {
 212                 int ci;
 213
 214                 swizzle[i][0] = SWIZZLE_ZERO;
 215                 swizzle[i][1] = SWIZZLE_ZERO;
 216                 swizzle[i][2] = SWIZZLE_ZERO;
 217                 swizzle[i][3] = SWIZZLE_ONE;
 218
 219                 for (ci = 0; ci < VB->AttribPtr[tab[i]]->size; ci++) {
 220                         swizzle[i][ci] = ci;
 221                 }
 222         }
 223
 224         R300_NEWPRIM(rmesa);
 225         R300_STATECHANGE(rmesa, vir[0]);
 226         ((drm_r300_cmd_header_t *) rmesa->hw.vir[0].cmd)->packet0.count =
 227                 r300VAPInputRoute0(&rmesa->hw.vir[0].cmd[R300_VIR_CNTL_0],
 228                                    VB->AttribPtr, inputs, tab, nr);
 229         R300_STATECHANGE(rmesa, vir[1]);
 230         ((drm_r300_cmd_header_t *) rmesa->hw.vir[1].cmd)->packet0.count =
 231                 r300VAPInputRoute1(&rmesa->hw.vir[1].cmd[R300_VIR_CNTL_0], swizzle,
 232                                    nr);
 233
 234         R300_STATECHANGE(rmesa, vic);
 235         rmesa->hw.vic.cmd[R300_VIC_CNTL_0] = r300VAPInputCntl0(ctx, InputsRead);
 236         rmesa->hw.vic.cmd[R300_VIC_CNTL_1] = r300VAPInputCntl1(ctx, InputsRead);
 237
 238         R300_STATECHANGE(rmesa, vof);
 239         rmesa->hw.vof.cmd[R300_VOF_CNTL_0] = r300VAPOutputCntl0(ctx, OutputsWritten);
 240         rmesa->hw.vof.cmd[R300_VOF_CNTL_1] = r300VAPOutputCntl1(ctx, OutputsWritten);
 241
 242         rmesa->swtcl.vertex_size =
 243                 _tnl_install_attrs( ctx,
 244                                     rmesa->swtcl.vertex_attrs,
 245                                     rmesa->swtcl.vertex_attr_count,
 246                                     NULL, 0 );
 247
 248         rmesa->swtcl.vertex_size /= 4;
 249
 250         RENDERINPUTS_COPY( rmesa->tnl_index_bitset, index_bitset );
 251
 252         vte = rmesa->hw.vte.cmd[1];
 253         R300_STATECHANGE(rmesa, vte);
 254         rmesa->hw.vte.cmd[1] = vte;
 255         rmesa->hw.vte.cmd[2] = rmesa->swtcl.vertex_size;
 256 }
 257
 258
 259 /* Flush vertices in the current dma region.
 260  */
 261 static void flush_last_swtcl_prim( r300ContextPtr rmesa  )
 262 {
 263         if (RADEON_DEBUG & DEBUG_IOCTL)
 264                 fprintf(stderr, "%s\n", __FUNCTION__);
 265
 266         rmesa->dma.flush = NULL;
 267
 268         if (rmesa->dma.current.buf) {
 269                 struct r300_dma_region *current = &rmesa->dma.current;
 270                 GLuint current_offset = GET_START(current);
 271
 272                 assert (current->start +
 273                         rmesa->swtcl.numverts * rmesa->swtcl.vertex_size * 4 ==
 274                         current->ptr);
 275
 276                 if (rmesa->dma.current.start != rmesa->dma.current.ptr) {
 277
 278                         r300EnsureCmdBufSpace( rmesa, rmesa->hw.max_state_size + (12*sizeof(int)), __FUNCTION__);
 279
 280                         r300EmitState(rmesa);
 281
 282                         r300EmitVertexAOS( rmesa,
 283                                            rmesa->swtcl.vertex_size,
 284                                            current_offset);
 285
 286                         r300EmitVbufPrim( rmesa,
 287                                           rmesa->swtcl.hw_primitive,
 288                                           rmesa->swtcl.numverts);
 289
 290                         r300EmitCacheFlush(rmesa);
 291                 }
 292
 293                 rmesa->swtcl.numverts = 0;
 294                 current->start = current->ptr;
 295         }
 296 }
 297
 298 /* Alloc space in the current dma region.
 299  */
 300 static void *
 301 r300AllocDmaLowVerts( r300ContextPtr rmesa, int nverts, int vsize )
 302 {
 303         GLuint bytes = vsize * nverts;
 304
 305         if ( rmesa->dma.current.ptr + bytes > rmesa->dma.current.end )
 306                 r300RefillCurrentDmaRegion( rmesa, bytes);
 307
 308         if (!rmesa->dma.flush) {
 309                 rmesa->radeon.glCtx->Driver.NeedFlush |= FLUSH_STORED_VERTICES;
 310                 rmesa->dma.flush = flush_last_swtcl_prim;
 311         }
 312
 313         ASSERT( vsize == rmesa->swtcl.vertex_size * 4 );
 314         ASSERT( rmesa->dma.flush == flush_last_swtcl_prim );
 315         ASSERT( rmesa->dma.current.start +
 316                 rmesa->swtcl.numverts * rmesa->swtcl.vertex_size * 4 ==
 317                 rmesa->dma.current.ptr );
 318
 319         {
 320                 GLubyte *head = (GLubyte *) (rmesa->dma.current.address + rmesa->dma.current.ptr);
 321                 rmesa->dma.current.ptr += bytes;
 322                 rmesa->swtcl.numverts += nverts;
 323                 return head;
 324         }
 325 }
 326
 327 static GLuint reduced_prim[] = {
 328   GL_POINTS,
 329   GL_LINES,
 330   GL_LINES,
 331   GL_LINES,
 332   GL_TRIANGLES,
 333   GL_TRIANGLES,
 334   GL_TRIANGLES,
 335   GL_TRIANGLES,
 336   GL_TRIANGLES,
 337   GL_TRIANGLES,
 338 };
 339
 340 static void r300RasterPrimitive( GLcontext *ctx, GLuint prim );
 341 static void r300RenderPrimitive( GLcontext *ctx, GLenum prim );
 342 //static void r300ResetLineStipple( GLcontext *ctx );
 343
 344 /***********************************************************************
 345  *                    Emit primitives as inline vertices               *
 346  ***********************************************************************/
 347
 348
 349 #define HAVE_POINTS      1
 350 #define HAVE_LINES       1
 351 #define HAVE_LINE_STRIPS 1
 352 #define HAVE_TRIANGLES   1
 353 #define HAVE_TRI_STRIPS  1
 354 #define HAVE_TRI_STRIP_1 0
 355 #define HAVE_TRI_FANS    1
 356 #define HAVE_QUADS       0
 357 #define HAVE_QUAD_STRIPS 0
 358 #define HAVE_POLYGONS    1
 359 #define HAVE_ELTS        1
 360
 361 #undef LOCAL_VARS
 362 #undef ALLOC_VERTS
 363 #define CTX_ARG r300ContextPtr rmesa
 364 #define GET_VERTEX_DWORDS() rmesa->swtcl.vertex_size
 365 #define ALLOC_VERTS( n, size ) r300AllocDmaLowVerts( rmesa, n, size * 4 )
 366 #define LOCAL_VARS                                              \
 367    r300ContextPtr rmesa = R300_CONTEXT(ctx);            \
 368    const char *r300verts = (char *)rmesa->swtcl.verts;
 369 #define VERT(x) (r300Vertex *)(r300verts + ((x) * vertsize * sizeof(int)))
 370 #define VERTEX r300Vertex
 371 #define DO_DEBUG_VERTS (1 && (RADEON_DEBUG & DEBUG_VERTS))
 372 #define PRINT_VERTEX(x)
 373 #undef TAG
 374 #define TAG(x) r300_##x
 375 #include "tnl_dd/t_dd_triemit.h"
 376
 377
 378
 379 /***********************************************************************
 380  *          Macros for t_dd_tritmp.h to draw basic primitives          *
 381  ***********************************************************************/
 382
 383 #define QUAD( a, b, c, d ) r300_quad( rmesa, a, b, c, d )
 384 #define TRI( a, b, c )     r300_triangle( rmesa, a, b, c )
 385 #define LINE( a, b )       r300_line( rmesa, a, b )
 386 #define POINT( a )         r300_point( rmesa, a )
 387
 388 /***********************************************************************
 389  *              Build render functions from dd templates               *
 390  ***********************************************************************/
 391
 392 #define R300_TWOSIDE_BIT        0x01
 393 #define R300_UNFILLED_BIT       0x02
 394 #define R300_MAX_TRIFUNC        0x04
 395
 396 static struct {
 397    tnl_points_func              points;
 398    tnl_line_func                line;
 399    tnl_triangle_func    triangle;
 400    tnl_quad_func                quad;
 401 } rast_tab[R300_MAX_TRIFUNC];
 402
 403 #define DO_FALLBACK  0
 404 #define DO_UNFILLED (IND & R300_UNFILLED_BIT)
 405 #define DO_TWOSIDE  (IND & R300_TWOSIDE_BIT)
 406 #define DO_FLAT      0
 407 #define DO_OFFSET     0
 408 #define DO_TRI       1
 409 #define DO_QUAD      1
 410 #define DO_LINE      1
 411 #define DO_POINTS    1
 412 #define DO_FULL_QUAD 1
 413
 414 #define HAVE_RGBA   1
 415 #define HAVE_SPEC   1
 416 #define HAVE_BACK_COLORS  0
 417 #define HAVE_HW_FLATSHADE 1
 418 #define TAB rast_tab
 419
 420 #define DEPTH_SCALE 1.0
 421 #define UNFILLED_TRI unfilled_tri
 422 #define UNFILLED_QUAD unfilled_quad
 423 #define VERT_X(_v) _v->v.x
 424 #define VERT_Y(_v) _v->v.y
 425 #define VERT_Z(_v) _v->v.z
 426 #define AREA_IS_CCW( a ) (a < 0)
 427 #define GET_VERTEX(e) (rmesa->swtcl.verts + (e*rmesa->swtcl.vertex_size*sizeof(int)))
 428
 429 /* Only used to pull back colors into vertices (ie, we know color is
 430  * floating point).
 431  */
 432 #define R300_COLOR( dst, src )                          \
 433 do {                                                    \
 434    UNCLAMPED_FLOAT_TO_UBYTE((dst)[0], (src)[2]);        \
 435    UNCLAMPED_FLOAT_TO_UBYTE((dst)[1], (src)[1]);        \
 436    UNCLAMPED_FLOAT_TO_UBYTE((dst)[2], (src)[0]);        \
 437    UNCLAMPED_FLOAT_TO_UBYTE((dst)[3], (src)[3]);        \
 438 } while (0)
 439
 440 #define VERT_SET_RGBA( v, c )    if (coloroffset) R300_COLOR( v->ub4[coloroffset], c )
 441 #define VERT_COPY_RGBA( v0, v1 ) if (coloroffset) v0->ui[coloroffset] = v1->ui[coloroffset]
 442 #define VERT_SAVE_RGBA( idx )    if (coloroffset) color[idx] = v[idx]->ui[coloroffset]
 443 #define VERT_RESTORE_RGBA( idx ) if (coloroffset) v[idx]->ui[coloroffset] = color[idx]
 444
 445 #define R300_SPEC( dst, src )                           \
 446 do {                                                    \
 447    UNCLAMPED_FLOAT_TO_UBYTE((dst)[0], (src)[2]);        \
 448    UNCLAMPED_FLOAT_TO_UBYTE((dst)[1], (src)[1]);        \
 449    UNCLAMPED_FLOAT_TO_UBYTE((dst)[2], (src)[0]);        \
 450 } while (0)
 451
 452 #define VERT_SET_SPEC( v, c )    if (specoffset) R300_SPEC( v->ub4[specoffset], c )
 453 #define VERT_COPY_SPEC( v0, v1 ) if (specoffset) COPY_3V(v0->ub4[specoffset], v1->ub4[specoffset])
 454 #define VERT_SAVE_SPEC( idx )    if (specoffset) spec[idx] = v[idx]->ui[specoffset]
 455 #define VERT_RESTORE_SPEC( idx ) if (specoffset) v[idx]->ui[specoffset] = spec[idx]
 456
 457 #undef LOCAL_VARS
 458 #undef TAG
 459 #undef INIT
 460
 461 #define LOCAL_VARS(n)                                                   \
 462    r300ContextPtr rmesa = R300_CONTEXT(ctx);                    \
 463    GLuint color[n], spec[n];                                            \
 464    GLuint coloroffset = rmesa->swtcl.coloroffset;       \
 465    GLuint specoffset = rmesa->swtcl.specoffset;                 \
 466    (void) color; (void) spec; (void) coloroffset; (void) specoffset;
 467
 468 /***********************************************************************
 469  *                Helpers for rendering unfilled primitives            *
 470  ***********************************************************************/
 471
 472 #define RASTERIZE(x) r300RasterPrimitive( ctx, reduced_prim[x] )
 473 #define RENDER_PRIMITIVE rmesa->swtcl.render_primitive
 474 #undef TAG
 475 #define TAG(x) x
 476 #include "tnl_dd/t_dd_unfilled.h"
 477 #undef IND
 478
 479
 480 /***********************************************************************
 481  *                      Generate GL render functions                   *
 482  ***********************************************************************/
 483
 484
 485 #define IND (0)
 486 #define TAG(x) x
 487 #include "tnl_dd/t_dd_tritmp.h"
 488
 489 #define IND (R300_TWOSIDE_BIT)
 490 #define TAG(x) x##_twoside
 491 #include "tnl_dd/t_dd_tritmp.h"
 492
 493 #define IND (R300_UNFILLED_BIT)
 494 #define TAG(x) x##_unfilled
 495 #include "tnl_dd/t_dd_tritmp.h"
 496
 497 #define IND (R300_TWOSIDE_BIT|R300_UNFILLED_BIT)
 498 #define TAG(x) x##_twoside_unfilled
 499 #include "tnl_dd/t_dd_tritmp.h"
 500
 501
 502
 503 static void init_rast_tab( void )
 504 {
 505    init();
 506    init_twoside();
 507    init_unfilled();
 508    init_twoside_unfilled();
 509 }
 510
 511 /**********************************************************************/
 512 /*               Render unclipped begin/end objects                   */
 513 /**********************************************************************/
 514
 515 #define RENDER_POINTS( start, count )           \
 516    for ( ; start < count ; start++)             \
 517       r300_point( rmesa, VERT(start) )
 518 #define RENDER_LINE( v0, v1 ) \
 519    r300_line( rmesa, VERT(v0), VERT(v1) )
 520 #define RENDER_TRI( v0, v1, v2 )  \
 521    r300_triangle( rmesa, VERT(v0), VERT(v1), VERT(v2) )
 522 #define RENDER_QUAD( v0, v1, v2, v3 ) \
 523    r300_quad( rmesa, VERT(v0), VERT(v1), VERT(v2), VERT(v3) )
 524 #define INIT(x) do {                                    \
 525    r300RenderPrimitive( ctx, x );                       \
 526 } while (0)
 527 #undef LOCAL_VARS
 528 #define LOCAL_VARS                                              \
 529    r300ContextPtr rmesa = R300_CONTEXT(ctx);            \
 530    const GLuint vertsize = rmesa->swtcl.vertex_size;            \
 531    const char *r300verts = (char *)rmesa->swtcl.verts;          \
 532    const GLuint * const elt = TNL_CONTEXT(ctx)->vb.Elts;        \
 533    const GLboolean stipple = ctx->Line.StippleFlag;             \
 534    (void) elt; (void) stipple;
 535 #define RESET_STIPPLE   //if ( stipple ) r200ResetLineStipple( ctx );
 536 #define RESET_OCCLUSION
 537 #define PRESERVE_VB_DEFS
 538 #define ELT(x) (x)
 539 #define TAG(x) r300_##x##_verts
 540 #include "tnl/t_vb_rendertmp.h"
 541 #undef ELT
 542 #undef TAG
 543 #define TAG(x) r300_##x##_elts
 544 #define ELT(x) elt[x]
 545 #include "tnl/t_vb_rendertmp.h"
 546
 547
 548
 549
 550 /**********************************************************************/
 551 /*                    Choose render functions                         */
 552 /**********************************************************************/
 553 static void r300ChooseRenderState( GLcontext *ctx )
 554 {
 555         TNLcontext *tnl = TNL_CONTEXT(ctx);
 556         r300ContextPtr rmesa = R300_CONTEXT(ctx);
 557         GLuint index = 0;
 558         GLuint flags = ctx->_TriangleCaps;
 559
 560         if (flags & DD_TRI_LIGHT_TWOSIDE) index |= R300_TWOSIDE_BIT;
 561         if (flags & DD_TRI_UNFILLED)      index |= R300_UNFILLED_BIT;
 562
 563         if (index != rmesa->swtcl.RenderIndex) {
 564                 tnl->Driver.Render.Points = rast_tab[index].points;
 565                 tnl->Driver.Render.Line = rast_tab[index].line;
 566                 tnl->Driver.Render.ClippedLine = rast_tab[index].line;
 567                 tnl->Driver.Render.Triangle = rast_tab[index].triangle;
 568                 tnl->Driver.Render.Quad = rast_tab[index].quad;
 569
 570                 if (index == 0) {
 571                         tnl->Driver.Render.PrimTabVerts = r300_render_tab_verts;
 572                         tnl->Driver.Render.PrimTabElts = r300_render_tab_elts;
 573                         tnl->Driver.Render.ClippedPolygon = r300_fast_clipped_poly;
 574                 } else {
 575                         tnl->Driver.Render.PrimTabVerts = _tnl_render_tab_verts;
 576                         tnl->Driver.Render.PrimTabElts = _tnl_render_tab_elts;
 577                         tnl->Driver.Render.ClippedPolygon = _tnl_RenderClippedPolygon;
 578                 }
 579
 580                 rmesa->swtcl.RenderIndex = index;
 581         }
 582 }
 583
 584
 585 static void r300RenderStart(GLcontext *ctx)
 586 {
 587         r300ContextPtr rmesa = R300_CONTEXT( ctx );
 588         //      fprintf(stderr, "%s\n", __FUNCTION__);
 589
 590         r300ChooseRenderState(ctx);
 591         r300SetVertexFormat(ctx);
 592
 593         r300UpdateShaderStates(rmesa);
 594
 595         r300EmitCacheFlush(rmesa);
 596
 597         if (rmesa->dma.flush != 0 &&
 598             rmesa->dma.flush != flush_last_swtcl_prim)
 599                 rmesa->dma.flush( rmesa );
 600
 601 }
 602
 603 static void r300RenderFinish(GLcontext *ctx)
 604 {
 605 }
 606
 607 static void r300RasterPrimitive( GLcontext *ctx, GLuint hwprim )
 608 {
 609         r300ContextPtr rmesa = R300_CONTEXT(ctx);
 610
 611         if (rmesa->swtcl.hw_primitive != hwprim) {
 612                 R300_NEWPRIM( rmesa );
 613                 rmesa->swtcl.hw_primitive = hwprim;
 614         }
 615 }
 616
 617 static void r300RenderPrimitive(GLcontext *ctx, GLenum prim)
 618 {
 619
 620         r300ContextPtr rmesa = R300_CONTEXT(ctx);
 621         rmesa->swtcl.render_primitive = prim;
 622
 623         if ((prim == GL_TRIANGLES) && (ctx->_TriangleCaps & DD_TRI_UNFILLED))
 624           return;
 625
 626         r300RasterPrimitive( ctx, reduced_prim[prim] );
 627         //      fprintf(stderr, "%s\n", __FUNCTION__);
 628
 629 }
 630
 631 static void r300ResetLineStipple(GLcontext *ctx)
 632 {
 633
 634
 635 }
 636
 637 void r300InitSwtcl(GLcontext *ctx)
 638 {
 639         TNLcontext *tnl = TNL_CONTEXT(ctx);
 640         r300ContextPtr rmesa = R300_CONTEXT(ctx);
 641         static int firsttime = 1;
 642
 643         if (firsttime) {
 644                 init_rast_tab();
 645                 firsttime = 0;
 646         }
 647
 648         tnl->Driver.Render.Start = r300RenderStart;
 649         tnl->Driver.Render.Finish = r300RenderFinish;
 650         tnl->Driver.Render.PrimitiveNotify = r300RenderPrimitive;
 651         tnl->Driver.Render.ResetLineStipple = r300ResetLineStipple;
 652         tnl->Driver.Render.BuildVertices = _tnl_build_vertices;
 653         tnl->Driver.Render.CopyPV = _tnl_copy_pv;
 654         tnl->Driver.Render.Interp = _tnl_interp;
 655
 656         /* FIXME: what are these numbers? */
 657         _tnl_init_vertices( ctx, ctx->Const.MaxArrayLockSize + 12,
 658                             48 * sizeof(GLfloat) );
 659
 660         rmesa->swtcl.verts = (GLubyte *)tnl->clipspace.vertex_buf;
 661         rmesa->swtcl.RenderIndex = ~0;
 662         rmesa->swtcl.render_primitive = GL_TRIANGLES;
 663         rmesa->swtcl.hw_primitive = 0;
 664
 665         _tnl_invalidate_vertex_state( ctx, ~0 );
 666         _tnl_invalidate_vertices( ctx, ~0 );
 667         RENDERINPUTS_ZERO( rmesa->tnl_index_bitset );
 668
 669         _tnl_need_projected_coords( ctx, GL_FALSE );
 670         r300ChooseRenderState(ctx);
 671 }
 672
 673 void r300DestroySwtcl(GLcontext *ctx)
 674 {
 675 }
 676
 677 void r300EmitVertexAOS(r300ContextPtr rmesa, GLuint vertex_size, GLuint offset)
 678 {
 679         int cmd_reserved = 0;
 680         int cmd_written = 0;
 681
 682         drm_radeon_cmd_header_t *cmd = NULL;
 683         if (RADEON_DEBUG & DEBUG_VERTS)
 684           fprintf(stderr, "%s:  vertex_size %d, offset 0x%x \n",
 685                   __FUNCTION__, vertex_size, offset);
 686
 687         start_packet3(CP_PACKET3(R300_PACKET3_3D_LOAD_VBPNTR, 2), 2);
 688         e32(1);
 689         e32(vertex_size | (vertex_size << 8));
 690         e32(offset);
 691 }
 692
 693 void r300EmitVbufPrim(r300ContextPtr rmesa, GLuint primitive, GLuint vertex_nr)
 694 {
 695
 696         int cmd_reserved = 0;
 697         int cmd_written = 0;
 698         int type, num_verts;
 699         drm_radeon_cmd_header_t *cmd = NULL;
 700
 701         type = r300PrimitiveType(rmesa, primitive);
 702         num_verts = r300NumVerts(rmesa, vertex_nr, primitive);
 703
 704         start_packet3(CP_PACKET3(R300_PACKET3_3D_DRAW_VBUF_2, 0), 0);
 705         e32(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_LIST | (num_verts << 16) | type);
 706 }