r300_render.c revision 307408a4f89be2613cac39c5f0cd776a71039965
1/* 2 * Copyright 2009 Corbin Simpson <MostAwesomeDude@gmail.com> 3 * Copyright 2010 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_render: Vertex and index buffer primitive emission. Contains both 25 * HW TCL fastpath rendering, and SW TCL Draw-assisted rendering. */ 26 27#include "draw/draw_context.h" 28#include "draw/draw_vbuf.h" 29 30#include "util/u_inlines.h" 31 32#include "util/u_format.h" 33#include "util/u_memory.h" 34#include "util/u_upload_mgr.h" 35#include "util/u_prim.h" 36 37#include "r300_cs.h" 38#include "r300_context.h" 39#include "r300_screen_buffer.h" 40#include "r300_emit.h" 41#include "r300_reg.h" 42 43#include <limits.h> 44 45#define IMMD_DWORDS 32 46 47static uint32_t r300_translate_primitive(unsigned prim) 48{ 49 switch (prim) { 50 case PIPE_PRIM_POINTS: 51 return R300_VAP_VF_CNTL__PRIM_POINTS; 52 case PIPE_PRIM_LINES: 53 return R300_VAP_VF_CNTL__PRIM_LINES; 54 case PIPE_PRIM_LINE_LOOP: 55 return R300_VAP_VF_CNTL__PRIM_LINE_LOOP; 56 case PIPE_PRIM_LINE_STRIP: 57 return R300_VAP_VF_CNTL__PRIM_LINE_STRIP; 58 case PIPE_PRIM_TRIANGLES: 59 return R300_VAP_VF_CNTL__PRIM_TRIANGLES; 60 case PIPE_PRIM_TRIANGLE_STRIP: 61 return R300_VAP_VF_CNTL__PRIM_TRIANGLE_STRIP; 62 case PIPE_PRIM_TRIANGLE_FAN: 63 return R300_VAP_VF_CNTL__PRIM_TRIANGLE_FAN; 64 case PIPE_PRIM_QUADS: 65 return R300_VAP_VF_CNTL__PRIM_QUADS; 66 case PIPE_PRIM_QUAD_STRIP: 67 return R300_VAP_VF_CNTL__PRIM_QUAD_STRIP; 68 case PIPE_PRIM_POLYGON: 69 return R300_VAP_VF_CNTL__PRIM_POLYGON; 70 default: 71 return 0; 72 } 73} 74 75static uint32_t r300_provoking_vertex_fixes(struct r300_context *r300, 76 unsigned mode) 77{ 78 struct r300_rs_state* rs = (struct r300_rs_state*)r300->rs_state.state; 79 uint32_t color_control = rs->color_control; 80 81 /* By default (see r300_state.c:r300_create_rs_state) color_control is 82 * initialized to provoking the first vertex. 83 * 84 * Triangle fans must be reduced to the second vertex, not the first, in 85 * Gallium flatshade-first mode, as per the GL spec. 86 * (http://www.opengl.org/registry/specs/ARB/provoking_vertex.txt) 87 * 88 * Quads never provoke correctly in flatshade-first mode. The first 89 * vertex is never considered as provoking, so only the second, third, 90 * and fourth vertices can be selected, and both "third" and "last" modes 91 * select the fourth vertex. This is probably due to D3D lacking quads. 92 * 93 * Similarly, polygons reduce to the first, not the last, vertex, when in 94 * "last" mode, and all other modes start from the second vertex. 95 * 96 * ~ C. 97 */ 98 99 if (rs->rs.flatshade_first) { 100 switch (mode) { 101 case PIPE_PRIM_TRIANGLE_FAN: 102 color_control |= R300_GA_COLOR_CONTROL_PROVOKING_VERTEX_SECOND; 103 break; 104 case PIPE_PRIM_QUADS: 105 case PIPE_PRIM_QUAD_STRIP: 106 case PIPE_PRIM_POLYGON: 107 color_control |= R300_GA_COLOR_CONTROL_PROVOKING_VERTEX_LAST; 108 break; 109 default: 110 color_control |= R300_GA_COLOR_CONTROL_PROVOKING_VERTEX_FIRST; 111 break; 112 } 113 } else { 114 color_control |= R300_GA_COLOR_CONTROL_PROVOKING_VERTEX_LAST; 115 } 116 117 return color_control; 118} 119 120void r500_emit_index_bias(struct r300_context *r300, int index_bias) 121{ 122 CS_LOCALS(r300); 123 124 BEGIN_CS(2); 125 OUT_CS_REG(R500_VAP_INDEX_OFFSET, 126 (index_bias & 0xFFFFFF) | (index_bias < 0 ? 1<<24 : 0)); 127 END_CS; 128} 129 130static void r300_emit_draw_init(struct r300_context *r300, unsigned mode, 131 unsigned min_index, unsigned max_index) 132{ 133 CS_LOCALS(r300); 134 135 BEGIN_CS(5); 136 OUT_CS_REG(R300_GA_COLOR_CONTROL, 137 r300_provoking_vertex_fixes(r300, mode)); 138 OUT_CS_REG_SEQ(R300_VAP_VF_MAX_VTX_INDX, 2); 139 OUT_CS(max_index); 140 OUT_CS(min_index); 141 END_CS; 142} 143 144/* This function splits the index bias value into two parts: 145 * - buffer_offset: the value that can be safely added to buffer offsets 146 * in r300_emit_vertex_arrays (it must yield a positive offset when added to 147 * a vertex buffer offset) 148 * - index_offset: the value that must be manually subtracted from indices 149 * in an index buffer to achieve negative offsets. */ 150static void r300_split_index_bias(struct r300_context *r300, int index_bias, 151 int *buffer_offset, int *index_offset) 152{ 153 struct pipe_vertex_buffer *vb, *vbufs = r300->vbuf_mgr->vertex_buffer; 154 struct pipe_vertex_element *velem = r300->velems->velem; 155 unsigned i, size; 156 int max_neg_bias; 157 158 if (index_bias < 0) { 159 /* See how large index bias we may subtract. We must be careful 160 * here because negative buffer offsets are not allowed 161 * by the DRM API. */ 162 max_neg_bias = INT_MAX; 163 for (i = 0; i < r300->velems->count; i++) { 164 vb = &vbufs[velem[i].vertex_buffer_index]; 165 size = (vb->buffer_offset + velem[i].src_offset) / vb->stride; 166 max_neg_bias = MIN2(max_neg_bias, size); 167 } 168 169 /* Now set the minimum allowed value. */ 170 *buffer_offset = MAX2(-max_neg_bias, index_bias); 171 } else { 172 /* A positive index bias is OK. */ 173 *buffer_offset = index_bias; 174 } 175 176 *index_offset = index_bias - *buffer_offset; 177} 178 179enum r300_prepare_flags { 180 PREP_EMIT_STATES = (1 << 0), /* call emit_dirty_state and friends? */ 181 PREP_VALIDATE_VBOS = (1 << 1), /* validate VBOs? */ 182 PREP_EMIT_AOS = (1 << 2), /* call emit_vertex_arrays? */ 183 PREP_EMIT_AOS_SWTCL = (1 << 3), /* call emit_vertex_arrays_swtcl? */ 184 PREP_INDEXED = (1 << 4) /* is this draw_elements? */ 185}; 186 187/** 188 * Check if the requested number of dwords is available in the CS and 189 * if not, flush. 190 * \param r300 The context. 191 * \param flags See r300_prepare_flags. 192 * \param cs_dwords The number of dwords to reserve in CS. 193 * \return TRUE if the CS was flushed 194 */ 195static boolean r300_reserve_cs_dwords(struct r300_context *r300, 196 enum r300_prepare_flags flags, 197 unsigned cs_dwords) 198{ 199 boolean flushed = FALSE; 200 boolean first_draw = flags & PREP_EMIT_STATES; 201 boolean emit_vertex_arrays = flags & PREP_EMIT_AOS; 202 boolean emit_vertex_arrays_swtcl = flags & PREP_EMIT_AOS_SWTCL; 203 204 /* Add dirty state, index offset, and AOS. */ 205 if (first_draw) { 206 cs_dwords += r300_get_num_dirty_dwords(r300); 207 208 if (r300->screen->caps.is_r500) 209 cs_dwords += 2; /* emit_index_offset */ 210 211 if (emit_vertex_arrays) 212 cs_dwords += 55; /* emit_vertex_arrays */ 213 214 if (emit_vertex_arrays_swtcl) 215 cs_dwords += 7; /* emit_vertex_arrays_swtcl */ 216 } 217 218 cs_dwords += r300_get_num_cs_end_dwords(r300); 219 220 /* Reserve requested CS space. */ 221 if (cs_dwords > (R300_MAX_CMDBUF_DWORDS - r300->cs->cdw)) { 222 r300->context.flush(&r300->context, 0, NULL); 223 flushed = TRUE; 224 } 225 226 return flushed; 227} 228 229/** 230 * Validate buffers and emit dirty state. 231 * \param r300 The context. 232 * \param flags See r300_prepare_flags. 233 * \param index_buffer The index buffer to validate. The parameter may be NULL. 234 * \param buffer_offset The offset passed to emit_vertex_arrays. 235 * \param index_bias The index bias to emit. 236 * \return TRUE if rendering should be skipped 237 */ 238static boolean r300_emit_states(struct r300_context *r300, 239 enum r300_prepare_flags flags, 240 struct pipe_resource *index_buffer, 241 int buffer_offset, 242 int index_bias) 243{ 244 boolean first_draw = flags & PREP_EMIT_STATES; 245 boolean emit_vertex_arrays = flags & PREP_EMIT_AOS; 246 boolean emit_vertex_arrays_swtcl = flags & PREP_EMIT_AOS_SWTCL; 247 boolean indexed = flags & PREP_INDEXED; 248 boolean validate_vbos = flags & PREP_VALIDATE_VBOS; 249 250 /* Validate buffers and emit dirty state if needed. */ 251 if (first_draw) { 252 if (!r300_emit_buffer_validate(r300, validate_vbos, 253 index_buffer)) { 254 fprintf(stderr, "r300: CS space validation failed. " 255 "(not enough memory?) Skipping rendering.\n"); 256 return FALSE; 257 } 258 259 r300_emit_dirty_state(r300); 260 if (r300->screen->caps.is_r500) { 261 if (r300->screen->caps.has_tcl) 262 r500_emit_index_bias(r300, index_bias); 263 else 264 r500_emit_index_bias(r300, 0); 265 } 266 267 if (emit_vertex_arrays && 268 (r300->vertex_arrays_dirty || 269 r300->vertex_arrays_indexed != indexed || 270 r300->vertex_arrays_offset != buffer_offset)) { 271 r300_emit_vertex_arrays(r300, buffer_offset, indexed); 272 273 r300->vertex_arrays_dirty = FALSE; 274 r300->vertex_arrays_indexed = indexed; 275 r300->vertex_arrays_offset = buffer_offset; 276 } 277 278 if (emit_vertex_arrays_swtcl) 279 r300_emit_vertex_arrays_swtcl(r300, indexed); 280 } 281 282 return TRUE; 283} 284 285/** 286 * Check if the requested number of dwords is available in the CS and 287 * if not, flush. Then validate buffers and emit dirty state. 288 * \param r300 The context. 289 * \param flags See r300_prepare_flags. 290 * \param index_buffer The index buffer to validate. The parameter may be NULL. 291 * \param cs_dwords The number of dwords to reserve in CS. 292 * \param buffer_offset The offset passed to emit_vertex_arrays. 293 * \param index_bias The index bias to emit. 294 * \return TRUE if rendering should be skipped 295 */ 296static boolean r300_prepare_for_rendering(struct r300_context *r300, 297 enum r300_prepare_flags flags, 298 struct pipe_resource *index_buffer, 299 unsigned cs_dwords, 300 int buffer_offset, 301 int index_bias) 302{ 303 /* Make sure there is enough space in the command stream and emit states. */ 304 if (r300_reserve_cs_dwords(r300, flags, cs_dwords)) 305 flags |= PREP_EMIT_STATES; 306 307 return r300_emit_states(r300, flags, index_buffer, buffer_offset, 308 index_bias); 309} 310 311static boolean immd_is_good_idea(struct r300_context *r300, 312 unsigned count) 313{ 314 struct pipe_vertex_element* velem; 315 struct pipe_resource *buf; 316 boolean checked[PIPE_MAX_ATTRIBS] = {0}; 317 unsigned vertex_element_count = r300->velems->count; 318 unsigned i, vbi; 319 320 if (DBG_ON(r300, DBG_NO_IMMD)) { 321 return FALSE; 322 } 323 324 if (r300->draw) { 325 return FALSE; 326 } 327 328 if (count * r300->velems->vertex_size_dwords > IMMD_DWORDS) { 329 return FALSE; 330 } 331 332 /* We shouldn't map buffers referenced by CS, busy buffers, 333 * and ones placed in VRAM. */ 334 for (i = 0; i < vertex_element_count; i++) { 335 velem = &r300->velems->velem[i]; 336 vbi = velem->vertex_buffer_index; 337 338 if (!checked[vbi]) { 339 buf = r300->vbuf_mgr->real_vertex_buffer[vbi]; 340 341 if ((r300_resource(buf)->domain != R300_DOMAIN_GTT)) { 342 return FALSE; 343 } 344 345 checked[vbi] = TRUE; 346 } 347 } 348 return TRUE; 349} 350 351/***************************************************************************** 352 * The HWTCL draw functions. * 353 ****************************************************************************/ 354 355static void r300_draw_arrays_immediate(struct r300_context *r300, 356 const struct pipe_draw_info *info) 357{ 358 struct pipe_vertex_element* velem; 359 struct pipe_vertex_buffer* vbuf; 360 unsigned vertex_element_count = r300->velems->count; 361 unsigned i, v, vbi; 362 363 /* Size of the vertex, in dwords. */ 364 unsigned vertex_size = r300->velems->vertex_size_dwords; 365 366 /* The number of dwords for this draw operation. */ 367 unsigned dwords = 4 + info->count * vertex_size; 368 369 /* Size of the vertex element, in dwords. */ 370 unsigned size[PIPE_MAX_ATTRIBS]; 371 372 /* Stride to the same attrib in the next vertex in the vertex buffer, 373 * in dwords. */ 374 unsigned stride[PIPE_MAX_ATTRIBS]; 375 376 /* Mapped vertex buffers. */ 377 uint32_t* map[PIPE_MAX_ATTRIBS] = {0}; 378 uint32_t* mapelem[PIPE_MAX_ATTRIBS]; 379 380 CS_LOCALS(r300); 381 382 if (!r300_prepare_for_rendering(r300, PREP_EMIT_STATES, NULL, dwords, 0, 0)) 383 return; 384 385 /* Calculate the vertex size, offsets, strides etc. and map the buffers. */ 386 for (i = 0; i < vertex_element_count; i++) { 387 velem = &r300->velems->velem[i]; 388 size[i] = r300->velems->format_size[i] / 4; 389 vbi = velem->vertex_buffer_index; 390 vbuf = &r300->vbuf_mgr->vertex_buffer[vbi]; 391 stride[i] = vbuf->stride / 4; 392 393 /* Map the buffer. */ 394 if (!map[vbi]) { 395 map[vbi] = (uint32_t*)r300->rws->buffer_map( 396 r300_resource(r300->vbuf_mgr->real_vertex_buffer[vbi])->buf, 397 r300->cs, PIPE_TRANSFER_READ | PIPE_TRANSFER_UNSYNCHRONIZED); 398 map[vbi] += (vbuf->buffer_offset / 4) + stride[i] * info->start; 399 } 400 mapelem[i] = map[vbi] + (velem->src_offset / 4); 401 } 402 403 r300_emit_draw_init(r300, info->mode, 0, info->count-1); 404 405 BEGIN_CS(dwords); 406 OUT_CS_REG(R300_VAP_VTX_SIZE, vertex_size); 407 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_IMMD_2, info->count * vertex_size); 408 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_EMBEDDED | (info->count << 16) | 409 r300_translate_primitive(info->mode)); 410 411 /* Emit vertices. */ 412 for (v = 0; v < info->count; v++) { 413 for (i = 0; i < vertex_element_count; i++) { 414 OUT_CS_TABLE(&mapelem[i][stride[i] * v], size[i]); 415 } 416 } 417 END_CS; 418 419 /* Unmap buffers. */ 420 for (i = 0; i < vertex_element_count; i++) { 421 vbi = r300->velems->velem[i].vertex_buffer_index; 422 423 if (map[vbi]) { 424 r300->rws->buffer_unmap(r300_resource(r300->vbuf_mgr->real_vertex_buffer[vbi])->buf); 425 map[vbi] = NULL; 426 } 427 } 428} 429 430static void r300_emit_draw_arrays(struct r300_context *r300, 431 unsigned mode, 432 unsigned count) 433{ 434 boolean alt_num_verts = count > 65535; 435 CS_LOCALS(r300); 436 437 if (count >= (1 << 24)) { 438 fprintf(stderr, "r300: Got a huge number of vertices: %i, " 439 "refusing to render.\n", count); 440 return; 441 } 442 443 r300_emit_draw_init(r300, mode, 0, count-1); 444 445 BEGIN_CS(2 + (alt_num_verts ? 2 : 0)); 446 if (alt_num_verts) { 447 OUT_CS_REG(R500_VAP_ALT_NUM_VERTICES, count); 448 } 449 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_VBUF_2, 0); 450 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_LIST | (count << 16) | 451 r300_translate_primitive(mode) | 452 (alt_num_verts ? R500_VAP_VF_CNTL__USE_ALT_NUM_VERTS : 0)); 453 END_CS; 454} 455 456static void r300_emit_draw_elements(struct r300_context *r300, 457 struct pipe_resource* indexBuffer, 458 unsigned indexSize, 459 unsigned min_index, 460 unsigned max_index, 461 unsigned mode, 462 unsigned start, 463 unsigned count, 464 uint16_t *imm_indices3) 465{ 466 uint32_t count_dwords, offset_dwords; 467 boolean alt_num_verts = count > 65535; 468 CS_LOCALS(r300); 469 470 if (count >= (1 << 24) || max_index >= (1 << 24)) { 471 fprintf(stderr, "r300: Got a huge number of vertices: %i, " 472 "refusing to render (max_index: %i).\n", count, max_index); 473 return; 474 } 475 476 DBG(r300, DBG_DRAW, "r300: Indexbuf of %u indices, min %u max %u\n", 477 count, min_index, max_index); 478 479 r300_emit_draw_init(r300, mode, min_index, max_index); 480 481 /* If start is odd, render the first triangle with indices embedded 482 * in the command stream. This will increase start by 3 and make it 483 * even. We can then proceed without a fallback. */ 484 if (indexSize == 2 && (start & 1) && 485 mode == PIPE_PRIM_TRIANGLES) { 486 BEGIN_CS(4); 487 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, 2); 488 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (3 << 16) | 489 R300_VAP_VF_CNTL__PRIM_TRIANGLES); 490 OUT_CS(imm_indices3[1] << 16 | imm_indices3[0]); 491 OUT_CS(imm_indices3[2]); 492 END_CS; 493 494 start += 3; 495 count -= 3; 496 if (!count) 497 return; 498 } 499 500 offset_dwords = indexSize * start / sizeof(uint32_t); 501 502 BEGIN_CS(8 + (alt_num_verts ? 2 : 0)); 503 if (alt_num_verts) { 504 OUT_CS_REG(R500_VAP_ALT_NUM_VERTICES, count); 505 } 506 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, 0); 507 if (indexSize == 4) { 508 count_dwords = count; 509 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) | 510 R300_VAP_VF_CNTL__INDEX_SIZE_32bit | 511 r300_translate_primitive(mode) | 512 (alt_num_verts ? R500_VAP_VF_CNTL__USE_ALT_NUM_VERTS : 0)); 513 } else { 514 count_dwords = (count + 1) / 2; 515 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) | 516 r300_translate_primitive(mode) | 517 (alt_num_verts ? R500_VAP_VF_CNTL__USE_ALT_NUM_VERTS : 0)); 518 } 519 520 OUT_CS_PKT3(R300_PACKET3_INDX_BUFFER, 2); 521 OUT_CS(R300_INDX_BUFFER_ONE_REG_WR | (R300_VAP_PORT_IDX0 >> 2) | 522 (0 << R300_INDX_BUFFER_SKIP_SHIFT)); 523 OUT_CS(offset_dwords << 2); 524 OUT_CS(count_dwords); 525 OUT_CS_RELOC(r300_resource(indexBuffer)); 526 END_CS; 527} 528 529static void r300_draw_elements_immediate(struct r300_context *r300, 530 const struct pipe_draw_info *info) 531{ 532 uint8_t *ptr1; 533 uint16_t *ptr2; 534 uint32_t *ptr4; 535 unsigned index_size = r300->index_buffer.index_size; 536 unsigned i, count_dwords = index_size == 4 ? info->count : 537 (info->count + 1) / 2; 538 CS_LOCALS(r300); 539 540 /* 19 dwords for r300_draw_elements_immediate. Give up if the function fails. */ 541 if (!r300_prepare_for_rendering(r300, 542 PREP_EMIT_STATES | PREP_VALIDATE_VBOS | PREP_EMIT_AOS | 543 PREP_INDEXED, NULL, 2+count_dwords, 0, info->index_bias)) 544 return; 545 546 r300_emit_draw_init(r300, info->mode, info->min_index, info->max_index); 547 548 BEGIN_CS(2 + count_dwords); 549 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, count_dwords); 550 551 switch (index_size) { 552 case 1: 553 ptr1 = r300_resource(r300->index_buffer.buffer)->b.user_ptr; 554 ptr1 += info->start; 555 556 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (info->count << 16) | 557 r300_translate_primitive(info->mode)); 558 559 if (info->index_bias && !r300->screen->caps.is_r500) { 560 for (i = 0; i < info->count-1; i += 2) 561 OUT_CS(((ptr1[i+1] + info->index_bias) << 16) | 562 (ptr1[i] + info->index_bias)); 563 564 if (info->count & 1) 565 OUT_CS(ptr1[i] + info->index_bias); 566 } else { 567 for (i = 0; i < info->count-1; i += 2) 568 OUT_CS(((ptr1[i+1]) << 16) | 569 (ptr1[i] )); 570 571 if (info->count & 1) 572 OUT_CS(ptr1[i]); 573 } 574 break; 575 576 case 2: 577 ptr2 = (uint16_t*)r300_resource(r300->index_buffer.buffer)->b.user_ptr; 578 ptr2 += info->start; 579 580 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (info->count << 16) | 581 r300_translate_primitive(info->mode)); 582 583 if (info->index_bias && !r300->screen->caps.is_r500) { 584 for (i = 0; i < info->count-1; i += 2) 585 OUT_CS(((ptr2[i+1] + info->index_bias) << 16) | 586 (ptr2[i] + info->index_bias)); 587 588 if (info->count & 1) 589 OUT_CS(ptr2[i] + info->index_bias); 590 } else { 591 OUT_CS_TABLE(ptr2, count_dwords); 592 } 593 break; 594 595 case 4: 596 ptr4 = (uint32_t*)r300_resource(r300->index_buffer.buffer)->b.user_ptr; 597 ptr4 += info->start; 598 599 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (info->count << 16) | 600 R300_VAP_VF_CNTL__INDEX_SIZE_32bit | 601 r300_translate_primitive(info->mode)); 602 603 if (info->index_bias && !r300->screen->caps.is_r500) { 604 for (i = 0; i < info->count; i++) 605 OUT_CS(ptr4[i] + info->index_bias); 606 } else { 607 OUT_CS_TABLE(ptr4, count_dwords); 608 } 609 break; 610 } 611 END_CS; 612} 613 614static void r300_draw_elements(struct r300_context *r300, 615 const struct pipe_draw_info *info) 616{ 617 struct pipe_resource *indexBuffer = r300->index_buffer.buffer; 618 unsigned indexSize = r300->index_buffer.index_size; 619 struct pipe_resource* orgIndexBuffer = indexBuffer; 620 unsigned start = info->start; 621 unsigned count = info->count; 622 boolean alt_num_verts = r300->screen->caps.is_r500 && 623 count > 65536; 624 unsigned short_count; 625 int buffer_offset = 0, index_offset = 0; /* for index bias emulation */ 626 uint16_t indices3[3]; 627 628 if (info->index_bias && !r300->screen->caps.is_r500) { 629 r300_split_index_bias(r300, info->index_bias, &buffer_offset, &index_offset); 630 } 631 632 r300_translate_index_buffer(r300, &indexBuffer, &indexSize, index_offset, 633 &start, count); 634 635 /* Fallback for misaligned ushort indices. */ 636 if (indexSize == 2 && (start & 1) && 637 !r300_resource(indexBuffer)->b.user_ptr) { 638 /* If we got here, then orgIndexBuffer == indexBuffer. */ 639 uint16_t *ptr = r300->rws->buffer_map(r300_resource(orgIndexBuffer)->buf, 640 r300->cs, 641 PIPE_TRANSFER_READ | 642 PIPE_TRANSFER_UNSYNCHRONIZED); 643 644 if (info->mode == PIPE_PRIM_TRIANGLES) { 645 memcpy(indices3, ptr + start, 6); 646 } else { 647 /* Copy the mapped index buffer directly to the upload buffer. 648 * The start index will be aligned simply from the fact that 649 * every sub-buffer in the upload buffer is aligned. */ 650 r300_upload_index_buffer(r300, &indexBuffer, indexSize, &start, 651 count, (uint8_t*)ptr); 652 } 653 r300->rws->buffer_unmap(r300_resource(orgIndexBuffer)->buf); 654 } else { 655 if (r300_resource(indexBuffer)->b.user_ptr) 656 r300_upload_index_buffer(r300, &indexBuffer, indexSize, 657 &start, count, 658 r300_resource(indexBuffer)->b.user_ptr); 659 } 660 661 /* 19 dwords for emit_draw_elements. Give up if the function fails. */ 662 if (!r300_prepare_for_rendering(r300, 663 PREP_EMIT_STATES | PREP_VALIDATE_VBOS | PREP_EMIT_AOS | 664 PREP_INDEXED, indexBuffer, 19, buffer_offset, info->index_bias)) 665 goto done; 666 667 if (alt_num_verts || count <= 65535) { 668 r300_emit_draw_elements(r300, indexBuffer, indexSize, info->min_index, 669 info->max_index, info->mode, start, count, 670 indices3); 671 } else { 672 do { 673 if (indexSize == 2 && (start & 1)) 674 short_count = MIN2(count, 65535); 675 else 676 short_count = MIN2(count, 65534); 677 678 r300_emit_draw_elements(r300, indexBuffer, indexSize, 679 info->min_index, info->max_index, 680 info->mode, start, short_count, indices3); 681 682 start += short_count; 683 count -= short_count; 684 685 /* 15 dwords for emit_draw_elements */ 686 if (count) { 687 if (!r300_prepare_for_rendering(r300, 688 PREP_VALIDATE_VBOS | PREP_EMIT_AOS | PREP_INDEXED, 689 indexBuffer, 19, buffer_offset, info->index_bias)) 690 goto done; 691 } 692 } while (count); 693 } 694 695done: 696 if (indexBuffer != orgIndexBuffer) { 697 pipe_resource_reference( &indexBuffer, NULL ); 698 } 699} 700 701static void r300_draw_arrays(struct r300_context *r300, 702 const struct pipe_draw_info *info) 703{ 704 boolean alt_num_verts = r300->screen->caps.is_r500 && 705 info->count > 65536; 706 unsigned start = info->start; 707 unsigned count = info->count; 708 unsigned short_count; 709 710 /* 9 spare dwords for emit_draw_arrays. Give up if the function fails. */ 711 if (!r300_prepare_for_rendering(r300, 712 PREP_EMIT_STATES | PREP_VALIDATE_VBOS | PREP_EMIT_AOS, 713 NULL, 9, start, 0)) 714 return; 715 716 if (alt_num_verts || count <= 65535) { 717 r300_emit_draw_arrays(r300, info->mode, count); 718 } else { 719 do { 720 short_count = MIN2(count, 65535); 721 r300_emit_draw_arrays(r300, info->mode, short_count); 722 723 start += short_count; 724 count -= short_count; 725 726 /* 9 spare dwords for emit_draw_arrays. Give up if the function fails. */ 727 if (count) { 728 if (!r300_prepare_for_rendering(r300, 729 PREP_VALIDATE_VBOS | PREP_EMIT_AOS, NULL, 9, 730 start, 0)) 731 return; 732 } 733 } while (count); 734 } 735} 736 737static void r300_draw_vbo(struct pipe_context* pipe, 738 const struct pipe_draw_info *dinfo) 739{ 740 struct r300_context* r300 = r300_context(pipe); 741 struct pipe_draw_info info = *dinfo; 742 boolean buffers_updated, uploader_flushed; 743 744 info.indexed = info.indexed && r300->index_buffer.buffer; 745 746 if (r300->skip_rendering || 747 !u_trim_pipe_prim(info.mode, &info.count)) { 748 return; 749 } 750 751 r300_update_derived_state(r300); 752 753 /* Start the vbuf manager and update buffers if needed. */ 754 u_vbuf_mgr_draw_begin(r300->vbuf_mgr, &info, 755 &buffers_updated, &uploader_flushed); 756 if (buffers_updated) { 757 r300->vertex_arrays_dirty = TRUE; 758 } 759 760 /* Draw. */ 761 if (info.indexed) { 762 info.start += r300->index_buffer.offset; 763 info.max_index = MIN2(r300->vbuf_mgr->max_index, info.max_index); 764 765 if (info.instance_count <= 1) { 766 if (info.count <= 8 && 767 r300_resource(r300->index_buffer.buffer)->b.user_ptr) { 768 r300_draw_elements_immediate(r300, &info); 769 } else { 770 r300_draw_elements(r300, &info); 771 } 772 } else { 773 assert(0); 774 } 775 } else { 776 if (info.instance_count <= 1) { 777 if (immd_is_good_idea(r300, info.count)) { 778 r300_draw_arrays_immediate(r300, &info); 779 } else { 780 r300_draw_arrays(r300, &info); 781 } 782 } else { 783 assert(0); 784 } 785 } 786 787 u_vbuf_mgr_draw_end(r300->vbuf_mgr); 788} 789 790/**************************************************************************** 791 * The rest of this file is for SW TCL rendering only. Please be polite and * 792 * keep these functions separated so that they are easier to locate. ~C. * 793 ***************************************************************************/ 794 795/* SW TCL elements, using Draw. */ 796static void r300_swtcl_draw_vbo(struct pipe_context* pipe, 797 const struct pipe_draw_info *info) 798{ 799 struct r300_context* r300 = r300_context(pipe); 800 struct pipe_transfer *vb_transfer[PIPE_MAX_ATTRIBS]; 801 struct pipe_transfer *ib_transfer = NULL; 802 unsigned count = info->count; 803 int i; 804 void *indices = NULL; 805 boolean indexed = info->indexed && r300->index_buffer.buffer; 806 807 if (r300->skip_rendering) { 808 return; 809 } 810 811 if (!u_trim_pipe_prim(info->mode, &count)) { 812 return; 813 } 814 815 r300_update_derived_state(r300); 816 817 r300_reserve_cs_dwords(r300, 818 PREP_EMIT_STATES | PREP_EMIT_AOS_SWTCL | 819 (indexed ? PREP_INDEXED : 0), 820 indexed ? 256 : 6); 821 822 for (i = 0; i < r300->vbuf_mgr->nr_vertex_buffers; i++) { 823 if (r300->vbuf_mgr->vertex_buffer[i].buffer) { 824 void *buf = pipe_buffer_map(pipe, 825 r300->vbuf_mgr->vertex_buffer[i].buffer, 826 PIPE_TRANSFER_READ | 827 PIPE_TRANSFER_UNSYNCHRONIZED, 828 &vb_transfer[i]); 829 draw_set_mapped_vertex_buffer(r300->draw, i, buf); 830 } 831 } 832 833 if (indexed) { 834 indices = pipe_buffer_map(pipe, r300->index_buffer.buffer, 835 PIPE_TRANSFER_READ | 836 PIPE_TRANSFER_UNSYNCHRONIZED, &ib_transfer); 837 } 838 839 draw_set_mapped_index_buffer(r300->draw, indices); 840 841 r300->draw_vbo_locked = TRUE; 842 r300->draw_first_emitted = FALSE; 843 draw_vbo(r300->draw, info); 844 draw_flush(r300->draw); 845 r300->draw_vbo_locked = FALSE; 846 847 for (i = 0; i < r300->vbuf_mgr->nr_vertex_buffers; i++) { 848 if (r300->vbuf_mgr->vertex_buffer[i].buffer) { 849 pipe_buffer_unmap(pipe, vb_transfer[i]); 850 draw_set_mapped_vertex_buffer(r300->draw, i, NULL); 851 } 852 } 853 854 if (indexed) { 855 pipe_buffer_unmap(pipe, ib_transfer); 856 draw_set_mapped_index_buffer(r300->draw, NULL); 857 } 858} 859 860/* Object for rendering using Draw. */ 861struct r300_render { 862 /* Parent class */ 863 struct vbuf_render base; 864 865 /* Pipe context */ 866 struct r300_context* r300; 867 868 /* Vertex information */ 869 size_t vertex_size; 870 unsigned prim; 871 unsigned hwprim; 872 873 /* VBO */ 874 size_t vbo_max_used; 875 void * vbo_ptr; 876 877 struct pipe_transfer *vbo_transfer; 878}; 879 880static INLINE struct r300_render* 881r300_render(struct vbuf_render* render) 882{ 883 return (struct r300_render*)render; 884} 885 886static const struct vertex_info* 887r300_render_get_vertex_info(struct vbuf_render* render) 888{ 889 struct r300_render* r300render = r300_render(render); 890 struct r300_context* r300 = r300render->r300; 891 892 return &r300->vertex_info; 893} 894 895static boolean r300_render_allocate_vertices(struct vbuf_render* render, 896 ushort vertex_size, 897 ushort count) 898{ 899 struct r300_render* r300render = r300_render(render); 900 struct r300_context* r300 = r300render->r300; 901 struct pipe_screen* screen = r300->context.screen; 902 size_t size = (size_t)vertex_size * (size_t)count; 903 904 DBG(r300, DBG_DRAW, "r300: render_allocate_vertices (size: %d)\n", size); 905 906 if (size + r300->draw_vbo_offset > r300->draw_vbo_size) 907 { 908 pipe_resource_reference(&r300->vbo, NULL); 909 r300->vbo = pipe_buffer_create(screen, 910 PIPE_BIND_VERTEX_BUFFER, 911 PIPE_USAGE_STREAM, 912 R300_MAX_DRAW_VBO_SIZE); 913 r300->draw_vbo_offset = 0; 914 r300->draw_vbo_size = R300_MAX_DRAW_VBO_SIZE; 915 } 916 917 r300render->vertex_size = vertex_size; 918 919 return (r300->vbo) ? TRUE : FALSE; 920} 921 922static void* r300_render_map_vertices(struct vbuf_render* render) 923{ 924 struct r300_render* r300render = r300_render(render); 925 struct r300_context* r300 = r300render->r300; 926 927 assert(!r300render->vbo_transfer); 928 929 DBG(r300, DBG_DRAW, "r300: render_map_vertices\n"); 930 931 r300render->vbo_ptr = pipe_buffer_map(&r300render->r300->context, 932 r300->vbo, 933 PIPE_TRANSFER_WRITE | 934 PIPE_TRANSFER_UNSYNCHRONIZED, 935 &r300render->vbo_transfer); 936 937 assert(r300render->vbo_ptr); 938 939 return ((uint8_t*)r300render->vbo_ptr + r300->draw_vbo_offset); 940} 941 942static void r300_render_unmap_vertices(struct vbuf_render* render, 943 ushort min, 944 ushort max) 945{ 946 struct r300_render* r300render = r300_render(render); 947 struct pipe_context* context = &r300render->r300->context; 948 struct r300_context* r300 = r300render->r300; 949 950 assert(r300render->vbo_transfer); 951 952 DBG(r300, DBG_DRAW, "r300: render_unmap_vertices\n"); 953 954 r300render->vbo_max_used = MAX2(r300render->vbo_max_used, 955 r300render->vertex_size * (max + 1)); 956 pipe_buffer_unmap(context, r300render->vbo_transfer); 957 958 r300render->vbo_transfer = NULL; 959} 960 961static void r300_render_release_vertices(struct vbuf_render* render) 962{ 963 struct r300_render* r300render = r300_render(render); 964 struct r300_context* r300 = r300render->r300; 965 966 DBG(r300, DBG_DRAW, "r300: render_release_vertices\n"); 967 968 r300->draw_vbo_offset += r300render->vbo_max_used; 969 r300render->vbo_max_used = 0; 970} 971 972static boolean r300_render_set_primitive(struct vbuf_render* render, 973 unsigned prim) 974{ 975 struct r300_render* r300render = r300_render(render); 976 977 r300render->prim = prim; 978 r300render->hwprim = r300_translate_primitive(prim); 979 980 return TRUE; 981} 982 983static void r300_render_draw_arrays(struct vbuf_render* render, 984 unsigned start, 985 unsigned count) 986{ 987 struct r300_render* r300render = r300_render(render); 988 struct r300_context* r300 = r300render->r300; 989 uint8_t* ptr; 990 unsigned i; 991 unsigned dwords = 6; 992 993 CS_LOCALS(r300); 994 (void) i; (void) ptr; 995 996 DBG(r300, DBG_DRAW, "r300: render_draw_arrays (count: %d)\n", count); 997 998 if (r300->draw_first_emitted) { 999 if (!r300_prepare_for_rendering(r300, 1000 PREP_EMIT_STATES | PREP_EMIT_AOS_SWTCL, 1001 NULL, dwords, 0, 0)) 1002 return; 1003 } else { 1004 if (!r300_emit_states(r300, 1005 PREP_EMIT_STATES | PREP_EMIT_AOS_SWTCL, 1006 NULL, 0, 0)) 1007 return; 1008 } 1009 1010 BEGIN_CS(dwords); 1011 OUT_CS_REG(R300_GA_COLOR_CONTROL, 1012 r300_provoking_vertex_fixes(r300, r300render->prim)); 1013 OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, count - 1); 1014 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_VBUF_2, 0); 1015 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_LIST | (count << 16) | 1016 r300render->hwprim); 1017 END_CS; 1018 1019 r300->draw_first_emitted = TRUE; 1020} 1021 1022static void r300_render_draw_elements(struct vbuf_render* render, 1023 const ushort* indices, 1024 uint count) 1025{ 1026 struct r300_render* r300render = r300_render(render); 1027 struct r300_context* r300 = r300render->r300; 1028 int i; 1029 unsigned end_cs_dwords; 1030 unsigned max_index = (r300->draw_vbo_size - r300->draw_vbo_offset) / 1031 (r300render->r300->vertex_info.size * 4) - 1; 1032 unsigned short_count; 1033 unsigned free_dwords; 1034 1035 CS_LOCALS(r300); 1036 DBG(r300, DBG_DRAW, "r300: render_draw_elements (count: %d)\n", count); 1037 1038 if (r300->draw_first_emitted) { 1039 if (!r300_prepare_for_rendering(r300, 1040 PREP_EMIT_STATES | PREP_EMIT_AOS_SWTCL | PREP_INDEXED, 1041 NULL, 256, 0, 0)) 1042 return; 1043 } else { 1044 if (!r300_emit_states(r300, 1045 PREP_EMIT_STATES | PREP_EMIT_AOS_SWTCL | PREP_INDEXED, 1046 NULL, 0, 0)) 1047 return; 1048 } 1049 1050 /* Below we manage the CS space manually because there may be more 1051 * indices than it can fit in CS. */ 1052 1053 end_cs_dwords = r300_get_num_cs_end_dwords(r300); 1054 1055 while (count) { 1056 free_dwords = R300_MAX_CMDBUF_DWORDS - r300->cs->cdw; 1057 1058 short_count = MIN2(count, (free_dwords - end_cs_dwords - 6) * 2); 1059 1060 BEGIN_CS(6 + (short_count+1)/2); 1061 OUT_CS_REG(R300_GA_COLOR_CONTROL, 1062 r300_provoking_vertex_fixes(r300, r300render->prim)); 1063 OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, max_index); 1064 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, (short_count+1)/2); 1065 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (short_count << 16) | 1066 r300render->hwprim); 1067 for (i = 0; i < short_count-1; i += 2) { 1068 OUT_CS(indices[i+1] << 16 | indices[i]); 1069 } 1070 if (short_count % 2) { 1071 OUT_CS(indices[short_count-1]); 1072 } 1073 END_CS; 1074 1075 /* OK now subtract the emitted indices and see if we need to emit 1076 * another draw packet. */ 1077 indices += short_count; 1078 count -= short_count; 1079 1080 if (count) { 1081 if (!r300_prepare_for_rendering(r300, 1082 PREP_EMIT_AOS_SWTCL | PREP_INDEXED, 1083 NULL, 256, 0, 0)) 1084 return; 1085 1086 end_cs_dwords = r300_get_num_cs_end_dwords(r300); 1087 } 1088 } 1089 1090 r300->draw_first_emitted = TRUE; 1091} 1092 1093static void r300_render_destroy(struct vbuf_render* render) 1094{ 1095 FREE(render); 1096} 1097 1098static struct vbuf_render* r300_render_create(struct r300_context* r300) 1099{ 1100 struct r300_render* r300render = CALLOC_STRUCT(r300_render); 1101 1102 r300render->r300 = r300; 1103 1104 r300render->base.max_vertex_buffer_bytes = 1024 * 1024; 1105 r300render->base.max_indices = 16 * 1024; 1106 1107 r300render->base.get_vertex_info = r300_render_get_vertex_info; 1108 r300render->base.allocate_vertices = r300_render_allocate_vertices; 1109 r300render->base.map_vertices = r300_render_map_vertices; 1110 r300render->base.unmap_vertices = r300_render_unmap_vertices; 1111 r300render->base.set_primitive = r300_render_set_primitive; 1112 r300render->base.draw_elements = r300_render_draw_elements; 1113 r300render->base.draw_arrays = r300_render_draw_arrays; 1114 r300render->base.release_vertices = r300_render_release_vertices; 1115 r300render->base.destroy = r300_render_destroy; 1116 1117 return &r300render->base; 1118} 1119 1120struct draw_stage* r300_draw_stage(struct r300_context* r300) 1121{ 1122 struct vbuf_render* render; 1123 struct draw_stage* stage; 1124 1125 render = r300_render_create(r300); 1126 1127 if (!render) { 1128 return NULL; 1129 } 1130 1131 stage = draw_vbuf_stage(r300->draw, render); 1132 1133 if (!stage) { 1134 render->destroy(render); 1135 return NULL; 1136 } 1137 1138 draw_set_render(r300->draw, render); 1139 1140 return stage; 1141} 1142 1143void r300_draw_flush_vbuf(struct r300_context *r300) 1144{ 1145 pipe_resource_reference(&r300->vbo, NULL); 1146 r300->draw_vbo_size = 0; 1147} 1148 1149/**************************************************************************** 1150 * End of SW TCL functions * 1151 ***************************************************************************/ 1152 1153/* This functions is used to draw a rectangle for the blitter module. 1154 * 1155 * If we rendered a quad, the pixels on the main diagonal 1156 * would be computed and stored twice, which makes the clear/copy codepaths 1157 * somewhat inefficient. Instead we use a rectangular point sprite. */ 1158static void r300_blitter_draw_rectangle(struct blitter_context *blitter, 1159 unsigned x1, unsigned y1, 1160 unsigned x2, unsigned y2, 1161 float depth, 1162 enum blitter_attrib_type type, 1163 const float attrib[4]) 1164{ 1165 struct r300_context *r300 = r300_context(util_blitter_get_pipe(blitter)); 1166 unsigned last_sprite_coord_enable = r300->sprite_coord_enable; 1167 unsigned width = x2 - x1; 1168 unsigned height = y2 - y1; 1169 unsigned vertex_size = 1170 type == UTIL_BLITTER_ATTRIB_COLOR || !r300->draw ? 8 : 4; 1171 unsigned dwords = 13 + vertex_size + 1172 (type == UTIL_BLITTER_ATTRIB_TEXCOORD ? 7 : 0); 1173 const float zeros[4] = {0, 0, 0, 0}; 1174 CS_LOCALS(r300); 1175 1176 r300->context.set_vertex_buffers(&r300->context, 0, NULL); 1177 1178 if (type == UTIL_BLITTER_ATTRIB_TEXCOORD) 1179 r300->sprite_coord_enable = 1; 1180 1181 r300_update_derived_state(r300); 1182 1183 /* Mark some states we don't care about as non-dirty. */ 1184 r300->clip_state.dirty = FALSE; 1185 r300->viewport_state.dirty = FALSE; 1186 1187 if (!r300_prepare_for_rendering(r300, PREP_EMIT_STATES, NULL, dwords, 0, 0)) 1188 goto done; 1189 1190 DBG(r300, DBG_DRAW, "r300: draw_rectangle\n"); 1191 1192 BEGIN_CS(dwords); 1193 /* Set up GA. */ 1194 OUT_CS_REG(R300_GA_POINT_SIZE, (height * 6) | ((width * 6) << 16)); 1195 1196 if (type == UTIL_BLITTER_ATTRIB_TEXCOORD) { 1197 /* Set up the GA to generate texcoords. */ 1198 OUT_CS_REG(R300_GB_ENABLE, R300_GB_POINT_STUFF_ENABLE | 1199 (R300_GB_TEX_STR << R300_GB_TEX0_SOURCE_SHIFT)); 1200 OUT_CS_REG_SEQ(R300_GA_POINT_S0, 4); 1201 OUT_CS_32F(attrib[0]); 1202 OUT_CS_32F(attrib[3]); 1203 OUT_CS_32F(attrib[2]); 1204 OUT_CS_32F(attrib[1]); 1205 } 1206 1207 /* Set up VAP controls. */ 1208 OUT_CS_REG(R300_VAP_CLIP_CNTL, R300_CLIP_DISABLE); 1209 OUT_CS_REG(R300_VAP_VTE_CNTL, R300_VTX_XY_FMT | R300_VTX_Z_FMT); 1210 OUT_CS_REG(R300_VAP_VTX_SIZE, vertex_size); 1211 OUT_CS_REG_SEQ(R300_VAP_VF_MAX_VTX_INDX, 2); 1212 OUT_CS(1); 1213 OUT_CS(0); 1214 1215 /* Draw. */ 1216 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_IMMD_2, vertex_size); 1217 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_EMBEDDED | (1 << 16) | 1218 R300_VAP_VF_CNTL__PRIM_POINTS); 1219 1220 OUT_CS_32F(x1 + width * 0.5f); 1221 OUT_CS_32F(y1 + height * 0.5f); 1222 OUT_CS_32F(depth); 1223 OUT_CS_32F(1); 1224 1225 if (vertex_size == 8) { 1226 if (!attrib) 1227 attrib = zeros; 1228 OUT_CS_TABLE(attrib, 4); 1229 } 1230 END_CS; 1231 1232done: 1233 /* Restore the state. */ 1234 r300_mark_atom_dirty(r300, &r300->clip_state); 1235 r300_mark_atom_dirty(r300, &r300->rs_state); 1236 r300_mark_atom_dirty(r300, &r300->viewport_state); 1237 1238 r300->sprite_coord_enable = last_sprite_coord_enable; 1239} 1240 1241static void r300_resource_resolve(struct pipe_context* pipe, 1242 struct pipe_resource* dest, 1243 unsigned dst_layer, 1244 struct pipe_resource* src, 1245 unsigned src_layer) 1246{ 1247 struct r300_context* r300 = r300_context(pipe); 1248 struct pipe_surface* srcsurf, surf_tmpl; 1249 struct r300_aa_state *aa = (struct r300_aa_state*)r300->aa_state.state; 1250 float color[] = {0, 0, 0, 0}; 1251 1252 memset(&surf_tmpl, 0, sizeof(surf_tmpl)); 1253 surf_tmpl.format = src->format; 1254 surf_tmpl.usage = 0; /* not really a surface hence no bind flags */ 1255 surf_tmpl.u.tex.level = 0; /* msaa resources cannot have mipmaps */ 1256 surf_tmpl.u.tex.first_layer = src_layer; 1257 surf_tmpl.u.tex.last_layer = src_layer; 1258 srcsurf = pipe->create_surface(pipe, src, &surf_tmpl); 1259 surf_tmpl.format = dest->format; 1260 surf_tmpl.u.tex.first_layer = dst_layer; 1261 surf_tmpl.u.tex.last_layer = dst_layer; 1262 1263 DBG(r300, DBG_DRAW, "r300: Resolving resource...\n"); 1264 1265 /* Enable AA resolve. */ 1266 aa->dest = r300_surface(pipe->create_surface(pipe, dest, &surf_tmpl)); 1267 1268 aa->aaresolve_ctl = 1269 R300_RB3D_AARESOLVE_CTL_AARESOLVE_MODE_RESOLVE | 1270 R300_RB3D_AARESOLVE_CTL_AARESOLVE_ALPHA_AVERAGE; 1271 r300->aa_state.size = 10; 1272 r300_mark_atom_dirty(r300, &r300->aa_state); 1273 1274 /* Resolve the surface. */ 1275 r300->context.clear_render_target(pipe, 1276 srcsurf, color, 0, 0, src->width0, src->height0); 1277 1278 /* Disable AA resolve. */ 1279 aa->aaresolve_ctl = 0; 1280 r300->aa_state.size = 4; 1281 r300_mark_atom_dirty(r300, &r300->aa_state); 1282 1283 pipe_surface_reference((struct pipe_surface**)&srcsurf, NULL); 1284 pipe_surface_reference((struct pipe_surface**)&aa->dest, NULL); 1285} 1286 1287void r300_init_render_functions(struct r300_context *r300) 1288{ 1289 /* Set draw functions based on presence of HW TCL. */ 1290 if (r300->screen->caps.has_tcl) { 1291 r300->context.draw_vbo = r300_draw_vbo; 1292 } else { 1293 r300->context.draw_vbo = r300_swtcl_draw_vbo; 1294 } 1295 1296 r300->context.resource_resolve = r300_resource_resolve; 1297 r300->blitter->draw_rectangle = r300_blitter_draw_rectangle; 1298 1299 /* Plug in the two-sided stencil reference value fallback if needed. */ 1300 if (!r300->screen->caps.is_r500) 1301 r300_plug_in_stencil_ref_fallback(r300); 1302} 1303