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 = (struct r300_rs_state*)state;
 479     float scale, offset;
 480     CS_LOCALS(r300);
 481
 482     BEGIN_CS(size);
 483     OUT_CS_REG(R300_VAP_CNTL_STATUS, rs->vap_control_status);
 484
 485     OUT_CS_REG(R300_GB_AA_CONFIG, rs->antialiasing_config);
 486
 487     OUT_CS_REG(R300_GA_POINT_SIZE, rs->point_size);
 488     OUT_CS_REG_SEQ(R300_GA_POINT_MINMAX, 2);
 489     OUT_CS(rs->point_minmax);
 490     OUT_CS(rs->line_control);
 491
 492     if (rs->polygon_offset_enable) {
 493         scale = rs->depth_scale * 12;
 494         offset = rs->depth_offset;
 495
 496         switch (r300->zbuffer_bpp) {
 497             case 16:
 498                 offset *= 4;
 499                 break;
 500             case 24:
 501                 offset *= 2;
 502                 break;
 503         }
 504
 505         OUT_CS_REG_SEQ(R300_SU_POLY_OFFSET_FRONT_SCALE, 4);
 506         OUT_CS_32F(scale);
 507         OUT_CS_32F(offset);
 508         OUT_CS_32F(scale);
 509         OUT_CS_32F(offset);
 510     }
 511
 512     OUT_CS_REG_SEQ(R300_SU_POLY_OFFSET_ENABLE, 2);
 513     OUT_CS(rs->polygon_offset_enable);
 514     OUT_CS(rs->cull_mode);
 515     OUT_CS_REG(R300_GA_LINE_STIPPLE_CONFIG, rs->line_stipple_config);
 516     OUT_CS_REG(R300_GA_LINE_STIPPLE_VALUE, rs->line_stipple_value);
 517     OUT_CS_REG(R300_GA_POLY_MODE, rs->polygon_mode);
 518     OUT_CS_REG(R300_SC_CLIP_RULE, rs->clip_rule);
 519     OUT_CS_REG(R300_GB_ENABLE, rs->stuffing_enable);
 520     OUT_CS_REG_SEQ(R300_GA_POINT_S0, 4);
 521     OUT_CS_32F(rs->point_texcoord_left);
 522     OUT_CS_32F(rs->point_texcoord_bottom);
 523     OUT_CS_32F(rs->point_texcoord_right);
 524     OUT_CS_32F(rs->point_texcoord_top);
 525     END_CS;
 526 }
 527
 528 void r300_emit_rs_block_state(struct r300_context* r300,
 529                               unsigned size, void* state)
 530 {
 531     struct r300_rs_block* rs = (struct r300_rs_block*)state;
 532     unsigned i;
 533     /* It's the same for both INST and IP tables */
 534     unsigned count = (rs->inst_count & R300_RS_INST_COUNT_MASK) + 1;
 535     CS_LOCALS(r300);
 536
 537     if (SCREEN_DBG_ON(r300->screen, DBG_DRAW)) {
 538         r500_dump_rs_block(rs);
 539     }
 540
 541     DBG(r300, DBG_DRAW, "r300: RS emit:\n");
 542
 543     BEGIN_CS(size);
 544     OUT_CS_REG_SEQ(R300_VAP_VTX_STATE_CNTL, 2);
 545     OUT_CS(rs->vap_vtx_state_cntl);
 546     OUT_CS(rs->vap_vsm_vtx_assm);
 547     OUT_CS_REG_SEQ(R300_VAP_OUTPUT_VTX_FMT_0, 2);
 548     OUT_CS(rs->vap_out_vtx_fmt[0]);
 549     OUT_CS(rs->vap_out_vtx_fmt[1]);
 550
 551     if (r300->screen->caps.is_r500) {
 552         OUT_CS_REG_SEQ(R500_RS_IP_0, count);
 553     } else {
 554         OUT_CS_REG_SEQ(R300_RS_IP_0, count);
 555     }
 556     OUT_CS_TABLE(rs->ip, count);
 557     for (i = 0; i < count; i++) {
 558         DBG(r300, DBG_DRAW, "    : ip %d: 0x%08x\n", i, rs->ip[i]);
 559     }
 560
 561     OUT_CS_REG_SEQ(R300_RS_COUNT, 2);
 562     OUT_CS(rs->count);
 563     OUT_CS(rs->inst_count);
 564
 565     if (r300->screen->caps.is_r500) {
 566         OUT_CS_REG_SEQ(R500_RS_INST_0, count);
 567     } else {
 568         OUT_CS_REG_SEQ(R300_RS_INST_0, count);
 569     }
 570     OUT_CS_TABLE(rs->inst, count);
 571     for (i = 0; i < count; i++) {
 572         DBG(r300, DBG_DRAW, "    : inst %d: 0x%08x\n", i, rs->inst[i]);
 573     }
 574
 575     DBG(r300, DBG_DRAW, "    : count: 0x%08x inst_count: 0x%08x\n",
 576         rs->count, rs->inst_count);
 577
 578     END_CS;
 579 }
 580
 581 void r300_emit_scissor_state(struct r300_context* r300,
 582                              unsigned size, void* state)
 583 {
 584     struct pipe_scissor_state* scissor = (struct pipe_scissor_state*)state;
 585     CS_LOCALS(r300);
 586
 587     BEGIN_CS(size);
 588     OUT_CS_REG_SEQ(R300_SC_CLIPRECT_TL_0, 2);
 589     if (r300->screen->caps.is_r500) {
 590         OUT_CS((scissor->minx << R300_CLIPRECT_X_SHIFT) |
 591                (scissor->miny << R300_CLIPRECT_Y_SHIFT));
 592         OUT_CS(((scissor->maxx - 1) << R300_CLIPRECT_X_SHIFT) |
 593                ((scissor->maxy - 1) << R300_CLIPRECT_Y_SHIFT));
 594     } else {
 595         OUT_CS(((scissor->minx + 1440) << R300_CLIPRECT_X_SHIFT) |
 596                ((scissor->miny + 1440) << R300_CLIPRECT_Y_SHIFT));
 597         OUT_CS(((scissor->maxx + 1440-1) << R300_CLIPRECT_X_SHIFT) |
 598                ((scissor->maxy + 1440-1) << R300_CLIPRECT_Y_SHIFT));
 599     }
 600     END_CS;
 601 }
 602
 603 void r300_emit_textures_state(struct r300_context *r300,
 604                               unsigned size, void *state)
 605 {
 606     struct r300_textures_state *allstate = (struct r300_textures_state*)state;
 607     struct r300_texture_sampler_state *texstate;
 608     struct r300_texture *tex;
 609     unsigned i;
 610     CS_LOCALS(r300);
 611
 612     BEGIN_CS(size);
 613     OUT_CS_REG(R300_TX_ENABLE, allstate->tx_enable);
 614
 615     for (i = 0; i < allstate->count; i++) {
 616         if ((1 << i) & allstate->tx_enable) {
 617             texstate = &allstate->regs[i];
 618             tex = r300_texture(allstate->sampler_views[i]->base.texture);
 619
 620             OUT_CS_REG(R300_TX_FILTER0_0 + (i * 4), texstate->filter0);
 621             OUT_CS_REG(R300_TX_FILTER1_0 + (i * 4), texstate->filter1);
 622             OUT_CS_REG(R300_TX_BORDER_COLOR_0 + (i * 4),
 623                        texstate->border_color);
 624
 625             OUT_CS_REG(R300_TX_FORMAT0_0 + (i * 4), texstate->format.format0);
 626             OUT_CS_REG(R300_TX_FORMAT1_0 + (i * 4), texstate->format.format1);
 627             OUT_CS_REG(R300_TX_FORMAT2_0 + (i * 4), texstate->format.format2);
 628
 629             OUT_CS_REG_SEQ(R300_TX_OFFSET_0 + (i * 4), 1);
 630             OUT_CS_TEX_RELOC(tex, texstate->format.tile_config, tex->domain,
 631                              0, 0);
 632         }
 633     }
 634     END_CS;
 635 }
 636
 637 void r300_emit_aos(struct r300_context* r300, int offset, boolean indexed)
 638 {
 639     struct pipe_vertex_buffer *vb1, *vb2, *vbuf = r300->vertex_buffer;
 640     struct pipe_vertex_element *velem = r300->velems->velem;
 641     struct r300_buffer *buf;
 642     int i;
 643     unsigned *hw_format_size = r300->velems->hw_format_size;
 644     unsigned size1, size2, aos_count = r300->velems->count;
 645     unsigned packet_size = (aos_count * 3 + 1) / 2;
 646     CS_LOCALS(r300);
 647
 648     BEGIN_CS(2 + packet_size + aos_count * 2);
 649     OUT_CS_PKT3(R300_PACKET3_3D_LOAD_VBPNTR, packet_size);
 650     OUT_CS(aos_count | (!indexed ? R300_VC_FORCE_PREFETCH : 0));
 651
 652     for (i = 0; i < aos_count - 1; i += 2) {
 653         vb1 = &vbuf[velem[i].vertex_buffer_index];
 654         vb2 = &vbuf[velem[i+1].vertex_buffer_index];
 655         size1 = hw_format_size[i];
 656         size2 = hw_format_size[i+1];
 657
 658         OUT_CS(R300_VBPNTR_SIZE0(size1) | R300_VBPNTR_STRIDE0(vb1->stride) |
 659                R300_VBPNTR_SIZE1(size2) | R300_VBPNTR_STRIDE1(vb2->stride));
 660         OUT_CS(vb1->buffer_offset + velem[i].src_offset   + offset * vb1->stride);
 661         OUT_CS(vb2->buffer_offset + velem[i+1].src_offset + offset * vb2->stride);
 662     }
 663
 664     if (aos_count & 1) {
 665         vb1 = &vbuf[velem[i].vertex_buffer_index];
 666         size1 = hw_format_size[i];
 667
 668         OUT_CS(R300_VBPNTR_SIZE0(size1) | R300_VBPNTR_STRIDE0(vb1->stride));
 669         OUT_CS(vb1->buffer_offset + velem[i].src_offset + offset * vb1->stride);
 670     }
 671
 672     for (i = 0; i < aos_count; i++) {
 673         buf = r300_buffer(vbuf[velem[i].vertex_buffer_index].buffer);
 674         OUT_CS_BUF_RELOC_NO_OFFSET(&buf->b.b, buf->domain, 0, 0);
 675     }
 676     END_CS;
 677 }
 678
 679 void r300_emit_aos_swtcl(struct r300_context *r300, boolean indexed)
 680 {
 681     CS_LOCALS(r300);
 682
 683     DBG(r300, DBG_DRAW, "r300: Preparing vertex buffer %p for render, "
 684             "vertex size %d\n", r300->vbo,
 685             r300->vertex_info.size);
 686     /* Set the pointer to our vertex buffer. The emitted values are this:
 687      * PACKET3 [3D_LOAD_VBPNTR]
 688      * COUNT   [1]
 689      * FORMAT  [size | stride << 8]
 690      * OFFSET  [offset into BO]
 691      * VBPNTR  [relocated BO]
 692      */
 693     BEGIN_CS(7);
 694     OUT_CS_PKT3(R300_PACKET3_3D_LOAD_VBPNTR, 3);
 695     OUT_CS(1 | (!indexed ? R300_VC_FORCE_PREFETCH : 0));
 696     OUT_CS(r300->vertex_info.size |
 697             (r300->vertex_info.size << 8));
 698     OUT_CS(r300->vbo_offset);
 699     OUT_CS_BUF_RELOC(r300->vbo, 0, r300_buffer(r300->vbo)->domain, 0, 0);
 700     END_CS;
 701 }
 702
 703 void r300_emit_vertex_stream_state(struct r300_context* r300,
 704                                    unsigned size, void* state)
 705 {
 706     struct r300_vertex_stream_state *streams =
 707         (struct r300_vertex_stream_state*)state;
 708     unsigned i;
 709     CS_LOCALS(r300);
 710
 711     DBG(r300, DBG_DRAW, "r300: PSC emit:\n");
 712
 713     BEGIN_CS(size);
 714     OUT_CS_REG_SEQ(R300_VAP_PROG_STREAM_CNTL_0, streams->count);
 715     OUT_CS_TABLE(streams->vap_prog_stream_cntl, streams->count);
 716     for (i = 0; i < streams->count; i++) {
 717         DBG(r300, DBG_DRAW, "    : prog_stream_cntl%d: 0x%08x\n", i,
 718                streams->vap_prog_stream_cntl[i]);
 719     }
 720     OUT_CS_REG_SEQ(R300_VAP_PROG_STREAM_CNTL_EXT_0, streams->count);
 721     OUT_CS_TABLE(streams->vap_prog_stream_cntl_ext, streams->count);
 722     for (i = 0; i < streams->count; i++) {
 723         DBG(r300, DBG_DRAW, "    : prog_stream_cntl_ext%d: 0x%08x\n", i,
 724                streams->vap_prog_stream_cntl_ext[i]);
 725     }
 726     END_CS;
 727 }
 728
 729 void r300_emit_pvs_flush(struct r300_context* r300, unsigned size, void* state)
 730 {
 731     CS_LOCALS(r300);
 732
 733     BEGIN_CS(size);
 734     OUT_CS_REG(R300_VAP_PVS_STATE_FLUSH_REG, 0x0);
 735     END_CS;
 736 }
 737
 738 void r300_emit_vs_state(struct r300_context* r300, unsigned size, void* state)
 739 {
 740     struct r300_vertex_shader* vs = (struct r300_vertex_shader*)state;
 741     struct r300_vertex_program_code* code = &vs->code;
 742     struct r300_screen* r300screen = r300->screen;
 743     unsigned instruction_count = code->length / 4;
 744     unsigned i;
 745
 746     unsigned vtx_mem_size = r300screen->caps.is_r500 ? 128 : 72;
 747     unsigned input_count = MAX2(util_bitcount(code->InputsRead), 1);
 748     unsigned output_count = MAX2(util_bitcount(code->OutputsWritten), 1);
 749     unsigned temp_count = MAX2(code->num_temporaries, 1);
 750
 751     unsigned pvs_num_slots = MIN3(vtx_mem_size / input_count,
 752                                   vtx_mem_size / output_count, 10);
 753     unsigned pvs_num_controllers = MIN2(vtx_mem_size / temp_count, 6);
 754
 755     unsigned imm_first = vs->externals_count;
 756     unsigned imm_end = vs->code.constants.Count;
 757     unsigned imm_count = vs->immediates_count;
 758
 759     CS_LOCALS(r300);
 760
 761     BEGIN_CS(size);
 762     /* R300_VAP_PVS_CODE_CNTL_0
 763      * R300_VAP_PVS_CONST_CNTL
 764      * R300_VAP_PVS_CODE_CNTL_1
 765      * See the r5xx docs for instructions on how to use these. */
 766     OUT_CS_REG_SEQ(R300_VAP_PVS_CODE_CNTL_0, 3);
 767     OUT_CS(R300_PVS_FIRST_INST(0) |
 768             R300_PVS_XYZW_VALID_INST(instruction_count - 1) |
 769             R300_PVS_LAST_INST(instruction_count - 1));
 770     OUT_CS(R300_PVS_MAX_CONST_ADDR(code->constants.Count - 1));
 771     OUT_CS(instruction_count - 1);
 772
 773     OUT_CS_REG(R300_VAP_PVS_VECTOR_INDX_REG, 0);
 774     OUT_CS_ONE_REG(R300_VAP_PVS_UPLOAD_DATA, code->length);
 775     OUT_CS_TABLE(code->body.d, code->length);
 776
 777     OUT_CS_REG(R300_VAP_CNTL, R300_PVS_NUM_SLOTS(pvs_num_slots) |
 778             R300_PVS_NUM_CNTLRS(pvs_num_controllers) |
 779             R300_PVS_NUM_FPUS(r300screen->caps.num_vert_fpus) |
 780             R300_PVS_VF_MAX_VTX_NUM(12) |
 781             (r300screen->caps.is_r500 ? R500_TCL_STATE_OPTIMIZATION : 0));
 782
 783     /* Emit immediates. */
 784     if (imm_count) {
 785         OUT_CS_REG(R300_VAP_PVS_VECTOR_INDX_REG,
 786                    (r300->screen->caps.is_r500 ?
 787                    R500_PVS_CONST_START : R300_PVS_CONST_START) +
 788                    imm_first);
 789         OUT_CS_ONE_REG(R300_VAP_PVS_UPLOAD_DATA, imm_count * 4);
 790         for (i = imm_first; i < imm_end; i++) {
 791             const float *data = vs->code.constants.Constants[i].u.Immediate;
 792             OUT_CS_TABLE(data, 4);
 793         }
 794     }
 795     END_CS;
 796 }
 797
 798 void r300_emit_vs_constants(struct r300_context* r300,
 799                             unsigned size, void *state)
 800 {
 801     unsigned count =
 802         ((struct r300_vertex_shader*)r300->vs_state.state)->externals_count;
 803     struct r300_constant_buffer *buf = (struct r300_constant_buffer*)state;
 804     CS_LOCALS(r300);
 805
 806     if (!count)
 807         return;
 808
 809     BEGIN_CS(size);
 810     OUT_CS_REG(R300_VAP_PVS_VECTOR_INDX_REG,
 811                (r300->screen->caps.is_r500 ?
 812                R500_PVS_CONST_START : R300_PVS_CONST_START));
 813     OUT_CS_ONE_REG(R300_VAP_PVS_UPLOAD_DATA, count * 4);
 814     OUT_CS_TABLE(buf->constants, count * 4);
 815     END_CS;
 816 }
 817
 818 void r300_emit_viewport_state(struct r300_context* r300,
 819                               unsigned size, void* state)
 820 {
 821     struct r300_viewport_state* viewport = (struct r300_viewport_state*)state;
 822     CS_LOCALS(r300);
 823
 824     BEGIN_CS(size);
 825     OUT_CS_REG_SEQ(R300_SE_VPORT_XSCALE, 6);
 826     OUT_CS_TABLE(&viewport->xscale, 6);
 827     OUT_CS_REG(R300_VAP_VTE_CNTL, viewport->vte_control);
 828     END_CS;
 829 }
 830
 831 void r300_emit_ztop_state(struct r300_context* r300,
 832                           unsigned size, void* state)
 833 {
 834     struct r300_ztop_state* ztop = (struct r300_ztop_state*)state;
 835     CS_LOCALS(r300);
 836
 837     BEGIN_CS(size);
 838     OUT_CS_REG(R300_ZB_ZTOP, ztop->z_buffer_top);
 839     END_CS;
 840 }
 841
 842 void r300_emit_texture_cache_inval(struct r300_context* r300, unsigned size, void* state)
 843 {
 844     CS_LOCALS(r300);
 845
 846     BEGIN_CS(size);
 847     OUT_CS_REG(R300_TX_INVALTAGS, 0);
 848     END_CS;
 849 }
 850
 851 void r300_emit_buffer_validate(struct r300_context *r300,
 852                                boolean do_validate_vertex_buffers,
 853                                struct pipe_resource *index_buffer)
 854 {
 855     struct pipe_framebuffer_state* fb =
 856         (struct pipe_framebuffer_state*)r300->fb_state.state;
 857     struct r300_textures_state *texstate =
 858         (struct r300_textures_state*)r300->textures_state.state;
 859     struct r300_texture* tex;
 860     struct pipe_vertex_buffer *vbuf = r300->vertex_buffer;
 861     struct pipe_vertex_element *velem = r300->velems->velem;
 862     struct pipe_resource *pbuf;
 863     unsigned i;
 864     boolean invalid = FALSE;
 865
 866     /* upload buffers first */
 867     if (r300->screen->caps.has_tcl && r300->any_user_vbs) {
 868         r300_upload_user_buffers(r300);
 869         r300->any_user_vbs = false;
 870     }
 871
 872     /* Clean out BOs. */
 873     r300->rws->reset_bos(r300->rws);
 874
 875 validate:
 876     /* Color buffers... */
 877     for (i = 0; i < fb->nr_cbufs; i++) {
 878         tex = r300_texture(fb->cbufs[i]->texture);
 879         assert(tex && tex->buffer && "cbuf is marked, but NULL!");
 880         if (!r300_add_texture(r300->rws, tex, 0, tex->domain)) {
 881             r300->context.flush(&r300->context, 0, NULL);
 882             goto validate;
 883         }
 884     }
 885     /* ...depth buffer... */
 886     if (fb->zsbuf) {
 887         tex = r300_texture(fb->zsbuf->texture);
 888         assert(tex && tex->buffer && "zsbuf is marked, but NULL!");
 889         if (!r300_add_texture(r300->rws, tex,
 890                               0, tex->domain)) {
 891             r300->context.flush(&r300->context, 0, NULL);
 892             goto validate;
 893         }
 894     }
 895     /* ...textures... */
 896     for (i = 0; i < texstate->count; i++) {
 897         if (!(texstate->tx_enable & (1 << i))) {
 898             continue;
 899         }
 900
 901         tex = r300_texture(texstate->sampler_views[i]->base.texture);
 902         if (!r300_add_texture(r300->rws, tex, tex->domain, 0)) {
 903             r300->context.flush(&r300->context, 0, NULL);
 904             goto validate;
 905         }
 906     }
 907     /* ...occlusion query buffer... */
 908     if (r300->query_current) {
 909         if (!r300->rws->add_buffer(r300->rws, r300->query_current->buffer,
 910                                    0, r300->query_current->domain)) {
 911             r300->context.flush(&r300->context, 0, NULL);
 912             goto validate;
 913         }
 914     }
 915     /* ...vertex buffer for SWTCL path... */
 916     if (r300->vbo) {
 917         if (!r300_add_buffer(r300->rws, r300->vbo,
 918                              r300_buffer(r300->vbo)->domain, 0)) {
 919             r300->context.flush(&r300->context, 0, NULL);
 920             goto validate;
 921         }
 922     }
 923     /* ...vertex buffers for HWTCL path... */
 924     if (do_validate_vertex_buffers) {
 925         for (i = 0; i < r300->velems->count; i++) {
 926             pbuf = vbuf[velem[i].vertex_buffer_index].buffer;
 927
 928             if (!r300_add_buffer(r300->rws, pbuf,
 929                                  r300_buffer(pbuf)->domain, 0)) {
 930                 r300->context.flush(&r300->context, 0, NULL);
 931                 goto validate;
 932             }
 933         }
 934     }
 935     /* ...and index buffer for HWTCL path. */
 936     if (index_buffer) {
 937         if (!r300_add_buffer(r300->rws, index_buffer,
 938                              r300_buffer(index_buffer)->domain, 0)) {
 939             r300->context.flush(&r300->context, 0, NULL);
 940             goto validate;
 941         }
 942     }
 943     if (!r300->rws->validate(r300->rws)) {
 944         r300->context.flush(&r300->context, 0, NULL);
 945         if (invalid) {
 946             /* Well, hell. */
 947             fprintf(stderr, "r300: Stuck in validation loop, gonna quit now.\n");
 948             abort();
 949         }
 950         invalid = TRUE;
 951         goto validate;
 952     }
 953 }
 954
 955 unsigned r300_get_num_dirty_dwords(struct r300_context *r300)
 956 {
 957     struct r300_atom* atom;
 958     unsigned dwords = 0;
 959
 960     foreach(atom, &r300->atom_list) {
 961         if (atom->dirty) {
 962             dwords += atom->size;
 963         }
 964     }
 965
 966     /* let's reserve some more, just in case */
 967     dwords += 32;
 968
 969     return dwords;
 970 }
 971
 972 /* Emit all dirty state. */
 973 void r300_emit_dirty_state(struct r300_context* r300)
 974 {
 975     struct r300_atom* atom;
 976
 977     foreach(atom, &r300->atom_list) {
 978         if (atom->dirty) {
 979             atom->emit(r300, atom->size, atom->state);
 980             if (SCREEN_DBG_ON(r300->screen, DBG_STATS)) {
 981                 atom->counter++;
 982             }
 983             atom->dirty = FALSE;
 984         }
 985     }
 986
 987     r300->dirty_hw++;
 988 }