src/gallium/drivers/r300/r300_emit.c

   1 /*
   2  * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
   3  * Copyright 2009 Marek Olšák <maraeo@gmail.com>
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * on the rights to use, copy, modify, merge, publish, distribute, sub
   9  * license, and/or sell copies of the Software, and to permit persons to whom
  10  * the Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the next
  13  * paragraph) shall be included in all copies or substantial portions of the
  14  * Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  19  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  20  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  21  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  22  * USE OR OTHER DEALINGS IN THE SOFTWARE. */
  23
  24 /* r300_emit: Functions for emitting state. */
  25
  26 #include "util/u_format.h"
  27 #include "util/u_math.h"
  28 #include "util/u_simple_list.h"
  29
  30 #include "r300_context.h"
  31 #include "r300_cs.h"
  32 #include "r300_emit.h"
  33 #include "r300_fs.h"
  34 #include "r300_screen.h"
  35 #include "r300_screen_buffer.h"
  36 #include "r300_vs.h"
  37
  38 void r300_emit_blend_state(struct r300_context* r300,
  39                            unsigned size, void* state)
  40 {
  41     struct r300_blend_state* blend = (struct r300_blend_state*)state;
  42     struct pipe_framebuffer_state* fb =
  43         (struct pipe_framebuffer_state*)r300->fb_state.state;
  44     CS_LOCALS(r300);
  45
  46     if (fb->nr_cbufs) {
  47         WRITE_CS_TABLE(blend->cb, size);
  48     } else {
  49         WRITE_CS_TABLE(blend->cb_no_readwrite, size);
  50     }
  51 }
  52
  53 void r300_emit_blend_color_state(struct r300_context* r300,
  54                                  unsigned size, void* state)
  55 {
  56     struct r300_blend_color_state* bc = (struct r300_blend_color_state*)state;
  57     CS_LOCALS(r300);
  58
  59     WRITE_CS_TABLE(bc->cb, size);
  60 }
  61
  62 void r300_emit_clip_state(struct r300_context* r300,
  63                           unsigned size, void* state)
  64 {
  65     struct r300_clip_state* clip = (struct r300_clip_state*)state;
  66     CS_LOCALS(r300);
  67
  68     WRITE_CS_TABLE(clip->cb, size);
  69 }
  70
  71 void r300_emit_dsa_state(struct r300_context* r300, unsigned size, void* state)
  72 {
  73     struct r300_dsa_state* dsa = (struct r300_dsa_state*)state;
  74     struct pipe_framebuffer_state* fb =
  75         (struct pipe_framebuffer_state*)r300->fb_state.state;
  76     CS_LOCALS(r300);
  77
  78     if (fb->zsbuf) {
  79         WRITE_CS_TABLE(&dsa->cb_begin, size);
  80     } else {
  81         WRITE_CS_TABLE(dsa->cb_no_readwrite, size);
  82     }
  83 }
  84
  85 static const float * get_rc_constant_state(
  86     struct r300_context * r300,
  87     struct rc_constant * constant)
  88 {
  89     struct r300_textures_state* texstate = r300->textures_state.state;
  90     static float vec[4] = { 0.0, 0.0, 0.0, 1.0 };
  91     struct pipe_resource *tex;
  92
  93     assert(constant->Type == RC_CONSTANT_STATE);
  94
  95     switch (constant->u.State[0]) {
  96         /* Factor for converting rectangle coords to
  97          * normalized coords. Should only show up on non-r500. */
  98         case RC_STATE_R300_TEXRECT_FACTOR:
  99             tex = texstate->sampler_views[constant->u.State[1]]->base.texture;
 100             vec[0] = 1.0 / tex->width0;
 101             vec[1] = 1.0 / tex->height0;
 102             break;
 103
 104         case RC_STATE_R300_VIEWPORT_SCALE:
 105             vec[0] = r300->viewport.scale[0];
 106             vec[1] = r300->viewport.scale[1];
 107             vec[2] = r300->viewport.scale[2];
 108             break;
 109
 110         case RC_STATE_R300_VIEWPORT_OFFSET:
 111             vec[0] = r300->viewport.translate[0];
 112             vec[1] = r300->viewport.translate[1];
 113             vec[2] = r300->viewport.translate[2];
 114             break;
 115
 116         default:
 117             fprintf(stderr, "r300: Implementation error: "
 118                 "Unknown RC_CONSTANT type %d\n", constant->u.State[0]);
 119     }
 120
 121     /* This should either be (0, 0, 0, 1), which should be a relatively safe
 122      * RGBA or STRQ value, or it could be one of the RC_CONSTANT_STATE
 123      * state factors. */
 124     return vec;
 125 }
 126
 127 /* Convert a normal single-precision float into the 7.16 format
 128  * used by the R300 fragment shader.
 129  */
 130 uint32_t pack_float24(float f)
 131 {
 132     union {
 133         float fl;
 134         uint32_t u;
 135     } u;
 136     float mantissa;
 137     int exponent;
 138     uint32_t float24 = 0;
 139
 140     if (f == 0.0)
 141         return 0;
 142
 143     u.fl = f;
 144
 145     mantissa = frexpf(f, &exponent);
 146
 147     /* Handle -ve */
 148     if (mantissa < 0) {
 149         float24 |= (1 << 23);
 150         mantissa = mantissa * -1.0;
 151     }
 152     /* Handle exponent, bias of 63 */
 153     exponent += 62;
 154     float24 |= (exponent << 16);
 155     /* Kill 7 LSB of mantissa */
 156     float24 |= (u.u & 0x7FFFFF) >> 7;
 157
 158     return float24;
 159 }
 160
 161 void r300_emit_fs(struct r300_context* r300, unsigned size, void *state)
 162 {
 163     struct r300_fragment_shader *fs = r300_fs(r300);
 164     CS_LOCALS(r300);
 165
 166     WRITE_CS_TABLE(fs->shader->cb_code, fs->shader->cb_code_size);
 167 }
 168
 169 void r300_emit_fs_constants(struct r300_context* r300, unsigned size, void *state)
 170 {
 171     struct r300_fragment_shader *fs = r300_fs(r300);
 172     struct r300_constant_buffer *buf = (struct r300_constant_buffer*)state;
 173     unsigned count = fs->shader->externals_count * 4;
 174     CS_LOCALS(r300);
 175
 176     if (count == 0)
 177         return;
 178
 179     BEGIN_CS(size);
 180     OUT_CS_REG_SEQ(R300_PFS_PARAM_0_X, count);
 181     OUT_CS_TABLE(buf->constants, count);
 182     END_CS;
 183 }
 184
 185 void r300_emit_fs_rc_constant_state(struct r300_context* r300, unsigned size, void *state)
 186 {
 187     struct r300_fragment_shader *fs = r300_fs(r300);
 188     struct rc_constant_list *constants = &fs->shader->code.constants;
 189     unsigned i;
 190     unsigned count = fs->shader->rc_state_count;
 191     unsigned first = fs->shader->externals_count;
 192     unsigned end = constants->Count;
 193     uint32_t cdata[4];
 194     unsigned j;
 195     CS_LOCALS(r300);
 196
 197     if (count == 0)
 198         return;
 199
 200     BEGIN_CS(size);
 201     for(i = first; i < end; ++i) {
 202         if (constants->Constants[i].Type == RC_CONSTANT_STATE) {
 203             const float *data =
 204                     get_rc_constant_state(r300, &constants->Constants[i]);
 205
 206             for (j = 0; j < 4; j++)
 207                 cdata[j] = pack_float24(data[j]);
 208
 209             OUT_CS_REG_SEQ(R300_PFS_PARAM_0_X + i * 16, 4);
 210             OUT_CS_TABLE(cdata, 4);
 211         }
 212     }
 213     END_CS;
 214 }
 215
 216 void r500_emit_fs(struct r300_context* r300, unsigned size, void *state)
 217 {
 218     struct r300_fragment_shader *fs = r300_fs(r300);
 219     CS_LOCALS(r300);
 220
 221     WRITE_CS_TABLE(fs->shader->cb_code, fs->shader->cb_code_size);
 222 }
 223
 224 void r500_emit_fs_constants(struct r300_context* r300, unsigned size, void *state)
 225 {
 226     struct r300_fragment_shader *fs = r300_fs(r300);
 227     struct r300_constant_buffer *buf = (struct r300_constant_buffer*)state;
 228     unsigned count = fs->shader->externals_count * 4;
 229     CS_LOCALS(r300);
 230
 231     if (count == 0)
 232         return;
 233
 234     BEGIN_CS(size);
 235     OUT_CS_REG(R500_GA_US_VECTOR_INDEX, R500_GA_US_VECTOR_INDEX_TYPE_CONST);
 236     OUT_CS_ONE_REG(R500_GA_US_VECTOR_DATA, count);
 237     OUT_CS_TABLE(buf->constants, count);
 238     END_CS;
 239 }
 240
 241 void r500_emit_fs_rc_constant_state(struct r300_context* r300, unsigned size, void *state)
 242 {
 243     struct r300_fragment_shader *fs = r300_fs(r300);
 244     struct rc_constant_list *constants = &fs->shader->code.constants;
 245     unsigned i;
 246     unsigned count = fs->shader->rc_state_count;
 247     unsigned first = fs->shader->externals_count;
 248     unsigned end = constants->Count;
 249     CS_LOCALS(r300);
 250
 251     if (count == 0)
 252         return;
 253
 254     BEGIN_CS(size);
 255     for(i = first; i < end; ++i) {
 256         if (constants->Constants[i].Type == RC_CONSTANT_STATE) {
 257             const float *data =
 258                     get_rc_constant_state(r300, &constants->Constants[i]);
 259
 260             OUT_CS_REG(R500_GA_US_VECTOR_INDEX,
 261                        R500_GA_US_VECTOR_INDEX_TYPE_CONST |
 262                        (i & R500_GA_US_VECTOR_INDEX_MASK));
 263             OUT_CS_ONE_REG(R500_GA_US_VECTOR_DATA, 4);
 264             OUT_CS_TABLE(data, 4);
 265         }
 266     }
 267     END_CS;
 268 }
 269
 270 void r300_emit_fb_state(struct r300_context* r300, unsigned size, void* state)
 271 {
 272     struct pipe_framebuffer_state* fb = (struct pipe_framebuffer_state*)state;
 273     struct r300_surface* surf;
 274     unsigned i;
 275     CS_LOCALS(r300);
 276
 277     BEGIN_CS(size);
 278
 279     /* Flush and free renderbuffer caches. */
 280     OUT_CS_REG(R300_RB3D_DSTCACHE_CTLSTAT,
 281         R300_RB3D_DSTCACHE_CTLSTAT_DC_FREE_FREE_3D_TAGS |
 282         R300_RB3D_DSTCACHE_CTLSTAT_DC_FLUSH_FLUSH_DIRTY_3D);
 283     OUT_CS_REG(R300_ZB_ZCACHE_CTLSTAT,
 284         R300_ZB_ZCACHE_CTLSTAT_ZC_FLUSH_FLUSH_AND_FREE |
 285         R300_ZB_ZCACHE_CTLSTAT_ZC_FREE_FREE);
 286
 287     /* NUM_MULTIWRITES replicates COLOR[0] to all colorbuffers, which is not
 288      * what we usually want. */
 289     if (r300->screen->caps.is_r500) {
 290         OUT_CS_REG(R300_RB3D_CCTL,
 291             R300_RB3D_CCTL_INDEPENDENT_COLORFORMAT_ENABLE_ENABLE);
 292     } else {
 293         OUT_CS_REG(R300_RB3D_CCTL, 0);
 294     }
 295
 296     /* Set up colorbuffers. */
 297     for (i = 0; i < fb->nr_cbufs; i++) {
 298         surf = r300_surface(fb->cbufs[i]);
 299
 300         OUT_CS_REG_SEQ(R300_RB3D_COLOROFFSET0 + (4 * i), 1);
 301         OUT_CS_RELOC(surf->buffer, surf->offset, 0, surf->domain, 0);
 302
 303         OUT_CS_REG_SEQ(R300_RB3D_COLORPITCH0 + (4 * i), 1);
 304         OUT_CS_RELOC(surf->buffer, surf->pitch, 0, surf->domain, 0);
 305
 306         OUT_CS_REG(R300_US_OUT_FMT_0 + (4 * i), surf->format);
 307     }
 308     for (; i < 4; i++) {
 309         OUT_CS_REG(R300_US_OUT_FMT_0 + (4 * i), R300_US_OUT_FMT_UNUSED);
 310     }
 311
 312     /* Set up a zbuffer. */
 313     if (fb->zsbuf) {
 314         surf = r300_surface(fb->zsbuf);
 315
 316         OUT_CS_REG_SEQ(R300_ZB_DEPTHOFFSET, 1);
 317         OUT_CS_RELOC(surf->buffer, surf->offset, 0, surf->domain, 0);
 318
 319         OUT_CS_REG(R300_ZB_FORMAT, surf->format);
 320
 321         OUT_CS_REG_SEQ(R300_ZB_DEPTHPITCH, 1);
 322         OUT_CS_RELOC(surf->buffer, surf->pitch, 0, surf->domain, 0);
 323     }
 324
 325     OUT_CS_REG_SEQ(R300_SC_SCISSORS_TL, 2);
 326     if (r300->screen->caps.is_r500) {
 327         OUT_CS(0);
 328         OUT_CS(((fb->width  - 1) << R300_SCISSORS_X_SHIFT) |
 329                ((fb->height - 1) << R300_SCISSORS_Y_SHIFT));
 330     } else {
 331         OUT_CS((1440 << R300_SCISSORS_X_SHIFT) |
 332                (1440 << R300_SCISSORS_Y_SHIFT));
 333         OUT_CS(((fb->width  + 1440-1) << R300_SCISSORS_X_SHIFT) |
 334                ((fb->height + 1440-1) << R300_SCISSORS_Y_SHIFT));
 335     }
 336     END_CS;
 337 }
 338
 339 void r300_emit_query_start(struct r300_context *r300, unsigned size, void*state)
 340 {
 341     struct r300_query *query = r300->query_current;
 342     CS_LOCALS(r300);
 343
 344     if (!query)
 345         return;
 346
 347     BEGIN_CS(size);
 348     if (r300->screen->caps.family == CHIP_FAMILY_RV530) {
 349         OUT_CS_REG(RV530_FG_ZBREG_DEST, RV530_FG_ZBREG_DEST_PIPE_SELECT_ALL);
 350     } else {
 351         OUT_CS_REG(R300_SU_REG_DEST, R300_RASTER_PIPE_SELECT_ALL);
 352     }
 353     OUT_CS_REG(R300_ZB_ZPASS_DATA, 0);
 354     END_CS;
 355     query->begin_emitted = TRUE;
 356     query->flushed = FALSE;
 357 }
 358
 359 static void r300_emit_query_end_frag_pipes(struct r300_context *r300,
 360                                            struct r300_query *query)
 361 {
 362     struct r300_capabilities* caps = &r300->screen->caps;
 363     struct r300_winsys_buffer *buf = r300->query_current->buffer;
 364     CS_LOCALS(r300);
 365
 366     assert(caps->num_frag_pipes);
 367
 368     BEGIN_CS(6 * caps->num_frag_pipes + 2);
 369     /* I'm not so sure I like this switch, but it's hard to be elegant
 370      * when there's so many special cases...
 371      *
 372      * So here's the basic idea. For each pipe, enable writes to it only,
 373      * then put out the relocation for ZPASS_ADDR, taking into account a
 374      * 4-byte offset for each pipe. RV380 and older are special; they have
 375      * only two pipes, and the second pipe's enable is on bit 3, not bit 1,
 376      * so there's a chipset cap for that. */
 377     switch (caps->num_frag_pipes) {
 378         case 4:
 379             /* pipe 3 only */
 380             OUT_CS_REG(R300_SU_REG_DEST, 1 << 3);
 381             OUT_CS_REG_SEQ(R300_ZB_ZPASS_ADDR, 1);
 382             OUT_CS_RELOC(buf, (query->num_results + 3) * 4,
 383                     0, query->domain, 0);
 384         case 3:
 385             /* pipe 2 only */
 386             OUT_CS_REG(R300_SU_REG_DEST, 1 << 2);
 387             OUT_CS_REG_SEQ(R300_ZB_ZPASS_ADDR, 1);
 388             OUT_CS_RELOC(buf, (query->num_results + 2) * 4,
 389                     0, query->domain, 0);
 390         case 2:
 391             /* pipe 1 only */
 392             /* As mentioned above, accomodate RV380 and older. */
 393             OUT_CS_REG(R300_SU_REG_DEST,
 394                     1 << (caps->high_second_pipe ? 3 : 1));
 395             OUT_CS_REG_SEQ(R300_ZB_ZPASS_ADDR, 1);
 396             OUT_CS_RELOC(buf, (query->num_results + 1) * 4,
 397                     0, query->domain, 0);
 398         case 1:
 399             /* pipe 0 only */
 400             OUT_CS_REG(R300_SU_REG_DEST, 1 << 0);
 401             OUT_CS_REG_SEQ(R300_ZB_ZPASS_ADDR, 1);
 402             OUT_CS_RELOC(buf, (query->num_results + 0) * 4,
 403                     0, query->domain, 0);
 404             break;
 405         default:
 406             fprintf(stderr, "r300: Implementation error: Chipset reports %d"
 407                     " pixel pipes!\n", caps->num_frag_pipes);
 408             abort();
 409     }
 410
 411     /* And, finally, reset it to normal... */
 412     OUT_CS_REG(R300_SU_REG_DEST, 0xF);
 413     END_CS;
 414 }
 415
 416 static void rv530_emit_query_end_single_z(struct r300_context *r300,
 417                                           struct r300_query *query)
 418 {
 419     struct r300_winsys_buffer *buf = r300->query_current->buffer;
 420     CS_LOCALS(r300);
 421
 422     BEGIN_CS(8);
 423     OUT_CS_REG(RV530_FG_ZBREG_DEST, RV530_FG_ZBREG_DEST_PIPE_SELECT_0);
 424     OUT_CS_REG_SEQ(R300_ZB_ZPASS_ADDR, 1);
 425     OUT_CS_RELOC(buf, query->num_results * 4, 0, query->domain, 0);
 426     OUT_CS_REG(RV530_FG_ZBREG_DEST, RV530_FG_ZBREG_DEST_PIPE_SELECT_ALL);
 427     END_CS;
 428 }
 429
 430 static void rv530_emit_query_end_double_z(struct r300_context *r300,
 431                                           struct r300_query *query)
 432 {
 433     struct r300_winsys_buffer *buf = r300->query_current->buffer;
 434     CS_LOCALS(r300);
 435
 436     BEGIN_CS(14);
 437     OUT_CS_REG(RV530_FG_ZBREG_DEST, RV530_FG_ZBREG_DEST_PIPE_SELECT_0);
 438     OUT_CS_REG_SEQ(R300_ZB_ZPASS_ADDR, 1);
 439     OUT_CS_RELOC(buf, (query->num_results + 0) * 4, 0, query->domain, 0);
 440     OUT_CS_REG(RV530_FG_ZBREG_DEST, RV530_FG_ZBREG_DEST_PIPE_SELECT_1);
 441     OUT_CS_REG_SEQ(R300_ZB_ZPASS_ADDR, 1);
 442     OUT_CS_RELOC(buf, (query->num_results + 1) * 4, 0, query->domain, 0);
 443     OUT_CS_REG(RV530_FG_ZBREG_DEST, RV530_FG_ZBREG_DEST_PIPE_SELECT_ALL);
 444     END_CS;
 445 }
 446
 447 void r300_emit_query_end(struct r300_context* r300)
 448 {
 449     struct r300_capabilities *caps = &r300->screen->caps;
 450     struct r300_query *query = r300->query_current;
 451
 452     if (!query)
 453         return;
 454
 455     if (query->begin_emitted == FALSE)
 456         return;
 457
 458     if (caps->family == CHIP_FAMILY_RV530) {
 459         if (caps->num_z_pipes == 2)
 460             rv530_emit_query_end_double_z(r300, query);
 461         else
 462             rv530_emit_query_end_single_z(r300, query);
 463     } else
 464         r300_emit_query_end_frag_pipes(r300, query);
 465
 466     query->begin_emitted = FALSE;
 467     query->num_results += query->num_pipes;
 468
 469     /* XXX grab all the results and reset the counter. */
 470     if (query->num_results >= query->buffer_size / 4 - 4) {
 471         query->num_results = (query->buffer_size / 4) / 2;
 472         fprintf(stderr, "r300: Rewinding OQBO...\n");
 473     }
 474 }
 475
 476 void r300_emit_rs_state(struct r300_context* r300, unsigned size, void* state)
 477 {
 478     struct r300_rs_state* rs = state;
 479     struct pipe_framebuffer_state* fb = r300->fb_state.state;
 480     float scale, offset;
 481     unsigned mspos0, mspos1, aa_config;
 482     CS_LOCALS(r300);
 483
 484     BEGIN_CS(size);
 485     OUT_CS_REG(R300_VAP_CNTL_STATUS, rs->vap_control_status);
 486
 487     /* Multisampling. Depends on framebuffer sample count. */
 488     if (r300->rws->get_value(r300->rws, R300_VID_DRM_2_3_0)) {
 489         if (fb->nr_cbufs && fb->cbufs[0]->texture->nr_samples > 1) {
 490             aa_config = R300_GB_AA_CONFIG_AA_ENABLE;
 491             /* Subsample placement. These may not be optimal. */
 492             switch (fb->cbufs[0]->texture->nr_samples) {
 493                 case 2:
 494                     aa_config |= R300_GB_AA_CONFIG_NUM_AA_SUBSAMPLES_2;
 495                     mspos0 = 0x33996633;
 496                     mspos1 = 0x6666663;
 497                     break;
 498                 case 3:
 499                     aa_config |= R300_GB_AA_CONFIG_NUM_AA_SUBSAMPLES_3;
 500                     mspos0 = 0x33936933;
 501                     mspos1 = 0x6666663;
 502                     break;
 503                 case 4:
 504                     aa_config |= R300_GB_AA_CONFIG_NUM_AA_SUBSAMPLES_4;
 505                     mspos0 = 0x33939933;
 506                     mspos1 = 0x3966663;
 507                     break;
 508                 case 6:
 509                     aa_config |= R300_GB_AA_CONFIG_NUM_AA_SUBSAMPLES_6;
 510                     mspos0 = 0x22a2aa22;
 511                     mspos1 = 0x2a65672;
 512                     break;
 513                 default:
 514                     debug_printf("r300: Bad number of multisamples!\n");
 515                     mspos0 = rs->multisample_position_0;
 516                     mspos1 = rs->multisample_position_1;
 517                     break;
 518             }
 519
 520             OUT_CS_REG_SEQ(R300_GB_MSPOS0, 2);
 521             OUT_CS(mspos0);
 522             OUT_CS(mspos1);
 523
 524             OUT_CS_REG(R300_GB_AA_CONFIG, aa_config);
 525         } else {
 526             OUT_CS_REG_SEQ(R300_GB_MSPOS0, 2);
 527             OUT_CS(rs->multisample_position_0);
 528             OUT_CS(rs->multisample_position_1);
 529
 530             OUT_CS_REG(R300_GB_AA_CONFIG, rs->antialiasing_config);
 531         }
 532     }
 533
 534     OUT_CS_REG(R300_GA_POINT_SIZE, rs->point_size);
 535     OUT_CS_REG_SEQ(R300_GA_POINT_MINMAX, 2);
 536     OUT_CS(rs->point_minmax);
 537     OUT_CS(rs->line_control);
 538
 539     if (rs->polygon_offset_enable) {
 540         scale = rs->depth_scale * 12;
 541         offset = rs->depth_offset;
 542
 543         switch (r300->zbuffer_bpp) {
 544             case 16:
 545                 offset *= 4;
 546                 break;
 547             case 24:
 548                 offset *= 2;
 549                 break;
 550         }
 551
 552         OUT_CS_REG_SEQ(R300_SU_POLY_OFFSET_FRONT_SCALE, 4);
 553         OUT_CS_32F(scale);
 554         OUT_CS_32F(offset);
 555         OUT_CS_32F(scale);
 556         OUT_CS_32F(offset);
 557     }
 558
 559     OUT_CS_REG_SEQ(R300_SU_POLY_OFFSET_ENABLE, 2);
 560     OUT_CS(rs->polygon_offset_enable);
 561     OUT_CS(rs->cull_mode);
 562     OUT_CS_REG(R300_GA_LINE_STIPPLE_CONFIG, rs->line_stipple_config);
 563     OUT_CS_REG(R300_GA_LINE_STIPPLE_VALUE, rs->line_stipple_value);
 564     OUT_CS_REG(R300_GA_POLY_MODE, rs->polygon_mode);
 565     OUT_CS_REG(R300_SC_CLIP_RULE, rs->clip_rule);
 566     OUT_CS_REG(R300_GB_ENABLE, rs->stuffing_enable);
 567     OUT_CS_REG_SEQ(R300_GA_POINT_S0, 4);
 568     OUT_CS_32F(rs->point_texcoord_left);
 569     OUT_CS_32F(rs->point_texcoord_bottom);
 570     OUT_CS_32F(rs->point_texcoord_right);
 571     OUT_CS_32F(rs->point_texcoord_top);
 572     END_CS;
 573 }
 574
 575 void r300_emit_rs_block_state(struct r300_context* r300,
 576                               unsigned size, void* state)
 577 {
 578     struct r300_rs_block* rs = (struct r300_rs_block*)state;
 579     unsigned i;
 580     /* It's the same for both INST and IP tables */
 581     unsigned count = (rs->inst_count & R300_RS_INST_COUNT_MASK) + 1;
 582     CS_LOCALS(r300);
 583
 584     if (SCREEN_DBG_ON(r300->screen, DBG_DRAW)) {
 585         r500_dump_rs_block(rs);
 586     }
 587
 588     DBG(r300, DBG_DRAW, "r300: RS emit:\n");
 589
 590     BEGIN_CS(size);
 591     OUT_CS_REG_SEQ(R300_VAP_VTX_STATE_CNTL, 2);
 592     OUT_CS(rs->vap_vtx_state_cntl);
 593     OUT_CS(rs->vap_vsm_vtx_assm);
 594     OUT_CS_REG_SEQ(R300_VAP_OUTPUT_VTX_FMT_0, 2);
 595     OUT_CS(rs->vap_out_vtx_fmt[0]);
 596     OUT_CS(rs->vap_out_vtx_fmt[1]);
 597
 598     if (r300->screen->caps.is_r500) {
 599         OUT_CS_REG_SEQ(R500_RS_IP_0, count);
 600     } else {
 601         OUT_CS_REG_SEQ(R300_RS_IP_0, count);
 602     }
 603     OUT_CS_TABLE(rs->ip, count);
 604     for (i = 0; i < count; i++) {
 605         DBG(r300, DBG_DRAW, "    : ip %d: 0x%08x\n", i, rs->ip[i]);
 606     }
 607
 608     OUT_CS_REG_SEQ(R300_RS_COUNT, 2);
 609     OUT_CS(rs->count);
 610     OUT_CS(rs->inst_count);
 611
 612     if (r300->screen->caps.is_r500) {
 613         OUT_CS_REG_SEQ(R500_RS_INST_0, count);
 614     } else {
 615         OUT_CS_REG_SEQ(R300_RS_INST_0, count);
 616     }
 617     OUT_CS_TABLE(rs->inst, count);
 618     for (i = 0; i < count; i++) {
 619         DBG(r300, DBG_DRAW, "    : inst %d: 0x%08x\n", i, rs->inst[i]);
 620     }
 621
 622     DBG(r300, DBG_DRAW, "    : count: 0x%08x inst_count: 0x%08x\n",
 623         rs->count, rs->inst_count);
 624
 625     END_CS;
 626 }
 627
 628 void r300_emit_scissor_state(struct r300_context* r300,
 629                              unsigned size, void* state)
 630 {
 631     struct pipe_scissor_state* scissor = (struct pipe_scissor_state*)state;
 632     CS_LOCALS(r300);
 633
 634     BEGIN_CS(size);
 635     OUT_CS_REG_SEQ(R300_SC_CLIPRECT_TL_0, 2);
 636     if (r300->screen->caps.is_r500) {
 637         OUT_CS((scissor->minx << R300_CLIPRECT_X_SHIFT) |
 638                (scissor->miny << R300_CLIPRECT_Y_SHIFT));
 639         OUT_CS(((scissor->maxx - 1) << R300_CLIPRECT_X_SHIFT) |
 640                ((scissor->maxy - 1) << R300_CLIPRECT_Y_SHIFT));
 641     } else {
 642         OUT_CS(((scissor->minx + 1440) << R300_CLIPRECT_X_SHIFT) |
 643                ((scissor->miny + 1440) << R300_CLIPRECT_Y_SHIFT));
 644         OUT_CS(((scissor->maxx + 1440-1) << R300_CLIPRECT_X_SHIFT) |
 645                ((scissor->maxy + 1440-1) << R300_CLIPRECT_Y_SHIFT));
 646     }
 647     END_CS;
 648 }
 649
 650 void r300_emit_textures_state(struct r300_context *r300,
 651                               unsigned size, void *state)
 652 {
 653     struct r300_textures_state *allstate = (struct r300_textures_state*)state;
 654     struct r300_texture_sampler_state *texstate;
 655     struct r300_texture *tex;
 656     unsigned i;
 657     CS_LOCALS(r300);
 658
 659     BEGIN_CS(size);
 660     OUT_CS_REG(R300_TX_ENABLE, allstate->tx_enable);
 661
 662     for (i = 0; i < allstate->count; i++) {
 663         if ((1 << i) & allstate->tx_enable) {
 664             texstate = &allstate->regs[i];
 665             tex = r300_texture(allstate->sampler_views[i]->base.texture);
 666
 667             OUT_CS_REG(R300_TX_FILTER0_0 + (i * 4), texstate->filter0);
 668             OUT_CS_REG(R300_TX_FILTER1_0 + (i * 4), texstate->filter1);
 669             OUT_CS_REG(R300_TX_BORDER_COLOR_0 + (i * 4),
 670                        texstate->border_color);
 671
 672             OUT_CS_REG(R300_TX_FORMAT0_0 + (i * 4), texstate->format.format0);
 673             OUT_CS_REG(R300_TX_FORMAT1_0 + (i * 4), texstate->format.format1);
 674             OUT_CS_REG(R300_TX_FORMAT2_0 + (i * 4), texstate->format.format2);
 675
 676             OUT_CS_REG_SEQ(R300_TX_OFFSET_0 + (i * 4), 1);
 677             OUT_CS_TEX_RELOC(tex, texstate->format.tile_config, tex->domain,
 678                              0, 0);
 679         }
 680     }
 681     END_CS;
 682 }
 683
 684 void r300_emit_aos(struct r300_context* r300, int offset, boolean indexed)
 685 {
 686     struct pipe_vertex_buffer *vb1, *vb2, *vbuf = r300->vertex_buffer;
 687     struct pipe_vertex_element *velem = r300->velems->velem;
 688     struct r300_buffer *buf;
 689     int i;
 690     unsigned *hw_format_size = r300->velems->hw_format_size;
 691     unsigned size1, size2, aos_count = r300->velems->count;
 692     unsigned packet_size = (aos_count * 3 + 1) / 2;
 693     CS_LOCALS(r300);
 694
 695     BEGIN_CS(2 + packet_size + aos_count * 2);
 696     OUT_CS_PKT3(R300_PACKET3_3D_LOAD_VBPNTR, packet_size);
 697     OUT_CS(aos_count | (!indexed ? R300_VC_FORCE_PREFETCH : 0));
 698
 699     for (i = 0; i < aos_count - 1; i += 2) {
 700         vb1 = &vbuf[velem[i].vertex_buffer_index];
 701         vb2 = &vbuf[velem[i+1].vertex_buffer_index];
 702         size1 = hw_format_size[i];
 703         size2 = hw_format_size[i+1];
 704
 705         OUT_CS(R300_VBPNTR_SIZE0(size1) | R300_VBPNTR_STRIDE0(vb1->stride) |
 706                R300_VBPNTR_SIZE1(size2) | R300_VBPNTR_STRIDE1(vb2->stride));
 707         OUT_CS(vb1->buffer_offset + velem[i].src_offset   + offset * vb1->stride);
 708         OUT_CS(vb2->buffer_offset + velem[i+1].src_offset + offset * vb2->stride);
 709     }
 710
 711     if (aos_count & 1) {
 712         vb1 = &vbuf[velem[i].vertex_buffer_index];
 713         size1 = hw_format_size[i];
 714
 715         OUT_CS(R300_VBPNTR_SIZE0(size1) | R300_VBPNTR_STRIDE0(vb1->stride));
 716         OUT_CS(vb1->buffer_offset + velem[i].src_offset + offset * vb1->stride);
 717     }
 718
 719     for (i = 0; i < aos_count; i++) {
 720         buf = r300_buffer(vbuf[velem[i].vertex_buffer_index].buffer);
 721         OUT_CS_BUF_RELOC_NO_OFFSET(&buf->b.b, buf->domain, 0, 0);
 722     }
 723     END_CS;
 724 }
 725
 726 void r300_emit_aos_swtcl(struct r300_context *r300, boolean indexed)
 727 {
 728     CS_LOCALS(r300);
 729
 730     DBG(r300, DBG_DRAW, "r300: Preparing vertex buffer %p for render, "
 731             "vertex size %d\n", r300->vbo,
 732             r300->vertex_info.size);
 733     /* Set the pointer to our vertex buffer. The emitted values are this:
 734      * PACKET3 [3D_LOAD_VBPNTR]
 735      * COUNT   [1]
 736      * FORMAT  [size | stride << 8]
 737      * OFFSET  [offset into BO]
 738      * VBPNTR  [relocated BO]
 739      */
 740     BEGIN_CS(7);
 741     OUT_CS_PKT3(R300_PACKET3_3D_LOAD_VBPNTR, 3);
 742     OUT_CS(1 | (!indexed ? R300_VC_FORCE_PREFETCH : 0));
 743     OUT_CS(r300->vertex_info.size |
 744             (r300->vertex_info.size << 8));
 745     OUT_CS(r300->vbo_offset);
 746     OUT_CS_BUF_RELOC(r300->vbo, 0, r300_buffer(r300->vbo)->domain, 0, 0);
 747     END_CS;
 748 }
 749
 750 void r300_emit_vertex_stream_state(struct r300_context* r300,
 751                                    unsigned size, void* state)
 752 {
 753     struct r300_vertex_stream_state *streams =
 754         (struct r300_vertex_stream_state*)state;
 755     unsigned i;
 756     CS_LOCALS(r300);
 757
 758     DBG(r300, DBG_DRAW, "r300: PSC emit:\n");
 759
 760     BEGIN_CS(size);
 761     OUT_CS_REG_SEQ(R300_VAP_PROG_STREAM_CNTL_0, streams->count);
 762     OUT_CS_TABLE(streams->vap_prog_stream_cntl, streams->count);
 763     for (i = 0; i < streams->count; i++) {
 764         DBG(r300, DBG_DRAW, "    : prog_stream_cntl%d: 0x%08x\n", i,
 765                streams->vap_prog_stream_cntl[i]);
 766     }
 767     OUT_CS_REG_SEQ(R300_VAP_PROG_STREAM_CNTL_EXT_0, streams->count);
 768     OUT_CS_TABLE(streams->vap_prog_stream_cntl_ext, streams->count);
 769     for (i = 0; i < streams->count; i++) {
 770         DBG(r300, DBG_DRAW, "    : prog_stream_cntl_ext%d: 0x%08x\n", i,
 771                streams->vap_prog_stream_cntl_ext[i]);
 772     }
 773     END_CS;
 774 }
 775
 776 void r300_emit_pvs_flush(struct r300_context* r300, unsigned size, void* state)
 777 {
 778     CS_LOCALS(r300);
 779
 780     BEGIN_CS(size);
 781     OUT_CS_REG(R300_VAP_PVS_STATE_FLUSH_REG, 0x0);
 782     END_CS;
 783 }
 784
 785 void r300_emit_vs_state(struct r300_context* r300, unsigned size, void* state)
 786 {
 787     struct r300_vertex_shader* vs = (struct r300_vertex_shader*)state;
 788     struct r300_vertex_program_code* code = &vs->code;
 789     struct r300_screen* r300screen = r300->screen;
 790     unsigned instruction_count = code->length / 4;
 791     unsigned i;
 792
 793     unsigned vtx_mem_size = r300screen->caps.is_r500 ? 128 : 72;
 794     unsigned input_count = MAX2(util_bitcount(code->InputsRead), 1);
 795     unsigned output_count = MAX2(util_bitcount(code->OutputsWritten), 1);
 796     unsigned temp_count = MAX2(code->num_temporaries, 1);
 797
 798     unsigned pvs_num_slots = MIN3(vtx_mem_size / input_count,
 799                                   vtx_mem_size / output_count, 10);
 800     unsigned pvs_num_controllers = MIN2(vtx_mem_size / temp_count, 6);
 801
 802     unsigned imm_first = vs->externals_count;
 803     unsigned imm_end = vs->code.constants.Count;
 804     unsigned imm_count = vs->immediates_count;
 805
 806     CS_LOCALS(r300);
 807
 808     BEGIN_CS(size);
 809     /* R300_VAP_PVS_CODE_CNTL_0
 810      * R300_VAP_PVS_CONST_CNTL
 811      * R300_VAP_PVS_CODE_CNTL_1
 812      * See the r5xx docs for instructions on how to use these. */
 813     OUT_CS_REG_SEQ(R300_VAP_PVS_CODE_CNTL_0, 3);
 814     OUT_CS(R300_PVS_FIRST_INST(0) |
 815             R300_PVS_XYZW_VALID_INST(instruction_count - 1) |
 816             R300_PVS_LAST_INST(instruction_count - 1));
 817     OUT_CS(R300_PVS_MAX_CONST_ADDR(code->constants.Count - 1));
 818     OUT_CS(instruction_count - 1);
 819
 820     OUT_CS_REG(R300_VAP_PVS_VECTOR_INDX_REG, 0);
 821     OUT_CS_ONE_REG(R300_VAP_PVS_UPLOAD_DATA, code->length);
 822     OUT_CS_TABLE(code->body.d, code->length);
 823
 824     OUT_CS_REG(R300_VAP_CNTL, R300_PVS_NUM_SLOTS(pvs_num_slots) |
 825             R300_PVS_NUM_CNTLRS(pvs_num_controllers) |
 826             R300_PVS_NUM_FPUS(r300screen->caps.num_vert_fpus) |
 827             R300_PVS_VF_MAX_VTX_NUM(12) |
 828             (r300screen->caps.is_r500 ? R500_TCL_STATE_OPTIMIZATION : 0));
 829
 830     /* Emit immediates. */
 831     if (imm_count) {
 832         OUT_CS_REG(R300_VAP_PVS_VECTOR_INDX_REG,
 833                    (r300->screen->caps.is_r500 ?
 834                    R500_PVS_CONST_START : R300_PVS_CONST_START) +
 835                    imm_first);
 836         OUT_CS_ONE_REG(R300_VAP_PVS_UPLOAD_DATA, imm_count * 4);
 837         for (i = imm_first; i < imm_end; i++) {
 838             const float *data = vs->code.constants.Constants[i].u.Immediate;
 839             OUT_CS_TABLE(data, 4);
 840         }
 841     }
 842     END_CS;
 843 }
 844
 845 void r300_emit_vs_constants(struct r300_context* r300,
 846                             unsigned size, void *state)
 847 {
 848     unsigned count =
 849         ((struct r300_vertex_shader*)r300->vs_state.state)->externals_count;
 850     struct r300_constant_buffer *buf = (struct r300_constant_buffer*)state;
 851     CS_LOCALS(r300);
 852
 853     if (!count)
 854         return;
 855
 856     BEGIN_CS(size);
 857     OUT_CS_REG(R300_VAP_PVS_VECTOR_INDX_REG,
 858                (r300->screen->caps.is_r500 ?
 859                R500_PVS_CONST_START : R300_PVS_CONST_START));
 860     OUT_CS_ONE_REG(R300_VAP_PVS_UPLOAD_DATA, count * 4);
 861     OUT_CS_TABLE(buf->constants, count * 4);
 862     END_CS;
 863 }
 864
 865 void r300_emit_viewport_state(struct r300_context* r300,
 866                               unsigned size, void* state)
 867 {
 868     struct r300_viewport_state* viewport = (struct r300_viewport_state*)state;
 869     CS_LOCALS(r300);
 870
 871     BEGIN_CS(size);
 872     OUT_CS_REG_SEQ(R300_SE_VPORT_XSCALE, 6);
 873     OUT_CS_TABLE(&viewport->xscale, 6);
 874     OUT_CS_REG(R300_VAP_VTE_CNTL, viewport->vte_control);
 875     END_CS;
 876 }
 877
 878 void r300_emit_ztop_state(struct r300_context* r300,
 879                           unsigned size, void* state)
 880 {
 881     struct r300_ztop_state* ztop = (struct r300_ztop_state*)state;
 882     CS_LOCALS(r300);
 883
 884     BEGIN_CS(size);
 885     OUT_CS_REG(R300_ZB_ZTOP, ztop->z_buffer_top);
 886     END_CS;
 887 }
 888
 889 void r300_emit_texture_cache_inval(struct r300_context* r300, unsigned size, void* state)
 890 {
 891     CS_LOCALS(r300);
 892
 893     BEGIN_CS(size);
 894     OUT_CS_REG(R300_TX_INVALTAGS, 0);
 895     END_CS;
 896 }
 897
 898 void r300_emit_buffer_validate(struct r300_context *r300,
 899                                boolean do_validate_vertex_buffers,
 900                                struct pipe_resource *index_buffer)
 901 {
 902     struct pipe_framebuffer_state* fb =
 903         (struct pipe_framebuffer_state*)r300->fb_state.state;
 904     struct r300_textures_state *texstate =
 905         (struct r300_textures_state*)r300->textures_state.state;
 906     struct r300_texture* tex;
 907     struct pipe_vertex_buffer *vbuf = r300->vertex_buffer;
 908     struct pipe_vertex_element *velem = r300->velems->velem;
 909     struct pipe_resource *pbuf;
 910     unsigned i;
 911     boolean invalid = FALSE;
 912
 913     /* upload buffers first */
 914     if (r300->screen->caps.has_tcl && r300->any_user_vbs) {
 915         r300_upload_user_buffers(r300);
 916         r300->any_user_vbs = false;
 917     }
 918
 919     /* Clean out BOs. */
 920     r300->rws->reset_bos(r300->rws);
 921
 922 validate:
 923     /* Color buffers... */
 924     for (i = 0; i < fb->nr_cbufs; i++) {
 925         tex = r300_texture(fb->cbufs[i]->texture);
 926         assert(tex && tex->buffer && "cbuf is marked, but NULL!");
 927         if (!r300_add_texture(r300->rws, tex, 0, tex->domain)) {
 928             r300->context.flush(&r300->context, 0, NULL);
 929             goto validate;
 930         }
 931     }
 932     /* ...depth buffer... */
 933     if (fb->zsbuf) {
 934         tex = r300_texture(fb->zsbuf->texture);
 935         assert(tex && tex->buffer && "zsbuf is marked, but NULL!");
 936         if (!r300_add_texture(r300->rws, tex,
 937                               0, tex->domain)) {
 938             r300->context.flush(&r300->context, 0, NULL);
 939             goto validate;
 940         }
 941     }
 942     /* ...textures... */
 943     for (i = 0; i < texstate->count; i++) {
 944         if (!(texstate->tx_enable & (1 << i))) {
 945             continue;
 946         }
 947
 948         tex = r300_texture(texstate->sampler_views[i]->base.texture);
 949         if (!r300_add_texture(r300->rws, tex, tex->domain, 0)) {
 950             r300->context.flush(&r300->context, 0, NULL);
 951             goto validate;
 952         }
 953     }
 954     /* ...occlusion query buffer... */
 955     if (r300->query_current) {
 956         if (!r300->rws->add_buffer(r300->rws, r300->query_current->buffer,
 957                                    0, r300->query_current->domain)) {
 958             r300->context.flush(&r300->context, 0, NULL);
 959             goto validate;
 960         }
 961     }
 962     /* ...vertex buffer for SWTCL path... */
 963     if (r300->vbo) {
 964         if (!r300_add_buffer(r300->rws, r300->vbo,
 965                              r300_buffer(r300->vbo)->domain, 0)) {
 966             r300->context.flush(&r300->context, 0, NULL);
 967             goto validate;
 968         }
 969     }
 970     /* ...vertex buffers for HWTCL path... */
 971     if (do_validate_vertex_buffers) {
 972         for (i = 0; i < r300->velems->count; i++) {
 973             pbuf = vbuf[velem[i].vertex_buffer_index].buffer;
 974
 975             if (!r300_add_buffer(r300->rws, pbuf,
 976                                  r300_buffer(pbuf)->domain, 0)) {
 977                 r300->context.flush(&r300->context, 0, NULL);
 978                 goto validate;
 979             }
 980         }
 981     }
 982     /* ...and index buffer for HWTCL path. */
 983     if (index_buffer) {
 984         if (!r300_add_buffer(r300->rws, index_buffer,
 985                              r300_buffer(index_buffer)->domain, 0)) {
 986             r300->context.flush(&r300->context, 0, NULL);
 987             goto validate;
 988         }
 989     }
 990     if (!r300->rws->validate(r300->rws)) {
 991         r300->context.flush(&r300->context, 0, NULL);
 992         if (invalid) {
 993             /* Well, hell. */
 994             fprintf(stderr, "r300: Stuck in validation loop, gonna quit now.\n");
 995             abort();
 996         }
 997         invalid = TRUE;
 998         goto validate;
 999     }
1000 }
1001
1002 unsigned r300_get_num_dirty_dwords(struct r300_context *r300)
1003 {
1004     struct r300_atom* atom;
1005     unsigned dwords = 0;
1006
1007     foreach(atom, &r300->atom_list) {
1008         if (atom->dirty) {
1009             dwords += atom->size;
1010         }
1011     }
1012
1013     /* let's reserve some more, just in case */
1014     dwords += 32;
1015
1016     return dwords;
1017 }
1018
1019 /* Emit all dirty state. */
1020 void r300_emit_dirty_state(struct r300_context* r300)
1021 {
1022     struct r300_atom* atom;
1023
1024     foreach(atom, &r300->atom_list) {
1025         if (atom->dirty) {
1026             atom->emit(r300, atom->size, atom->state);
1027             if (SCREEN_DBG_ON(r300->screen, DBG_STATS)) {
1028                 atom->counter++;
1029             }
1030             atom->dirty = FALSE;
1031         }
1032     }
1033
1034     r300->dirty_hw++;
1035 }