r300_render.c revision 21e3c585f7c59fa909f6bb485a99bad33119a186
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 static const int prim_conv[] = { 50 R300_VAP_VF_CNTL__PRIM_POINTS, 51 R300_VAP_VF_CNTL__PRIM_LINES, 52 R300_VAP_VF_CNTL__PRIM_LINE_LOOP, 53 R300_VAP_VF_CNTL__PRIM_LINE_STRIP, 54 R300_VAP_VF_CNTL__PRIM_TRIANGLES, 55 R300_VAP_VF_CNTL__PRIM_TRIANGLE_STRIP, 56 R300_VAP_VF_CNTL__PRIM_TRIANGLE_FAN, 57 R300_VAP_VF_CNTL__PRIM_QUADS, 58 R300_VAP_VF_CNTL__PRIM_QUAD_STRIP, 59 R300_VAP_VF_CNTL__PRIM_POLYGON, 60 -1, 61 -1, 62 -1, 63 -1 64 }; 65 unsigned hwprim = prim_conv[prim]; 66 67 assert(hwprim != -1); 68 return hwprim; 69} 70 71static uint32_t r300_provoking_vertex_fixes(struct r300_context *r300, 72 unsigned mode) 73{ 74 struct r300_rs_state* rs = (struct r300_rs_state*)r300->rs_state.state; 75 uint32_t color_control = rs->color_control; 76 77 /* By default (see r300_state.c:r300_create_rs_state) color_control is 78 * initialized to provoking the first vertex. 79 * 80 * Triangle fans must be reduced to the second vertex, not the first, in 81 * Gallium flatshade-first mode, as per the GL spec. 82 * (http://www.opengl.org/registry/specs/ARB/provoking_vertex.txt) 83 * 84 * Quads never provoke correctly in flatshade-first mode. The first 85 * vertex is never considered as provoking, so only the second, third, 86 * and fourth vertices can be selected, and both "third" and "last" modes 87 * select the fourth vertex. This is probably due to D3D lacking quads. 88 * 89 * Similarly, polygons reduce to the first, not the last, vertex, when in 90 * "last" mode, and all other modes start from the second vertex. 91 * 92 * ~ C. 93 */ 94 95 if (rs->rs.flatshade_first) { 96 switch (mode) { 97 case PIPE_PRIM_TRIANGLE_FAN: 98 color_control |= R300_GA_COLOR_CONTROL_PROVOKING_VERTEX_SECOND; 99 break; 100 case PIPE_PRIM_QUADS: 101 case PIPE_PRIM_QUAD_STRIP: 102 case PIPE_PRIM_POLYGON: 103 color_control |= R300_GA_COLOR_CONTROL_PROVOKING_VERTEX_LAST; 104 break; 105 default: 106 color_control |= R300_GA_COLOR_CONTROL_PROVOKING_VERTEX_FIRST; 107 break; 108 } 109 } else { 110 color_control |= R300_GA_COLOR_CONTROL_PROVOKING_VERTEX_LAST; 111 } 112 113 return color_control; 114} 115 116void r500_emit_index_bias(struct r300_context *r300, int index_bias) 117{ 118 CS_LOCALS(r300); 119 120 BEGIN_CS(2); 121 OUT_CS_REG(R500_VAP_INDEX_OFFSET, 122 (index_bias & 0xFFFFFF) | (index_bias < 0 ? 1<<24 : 0)); 123 END_CS; 124} 125 126static void r300_emit_draw_init(struct r300_context *r300, unsigned mode, 127 unsigned min_index, unsigned max_index) 128{ 129 CS_LOCALS(r300); 130 131 BEGIN_CS(5); 132 OUT_CS_REG(R300_GA_COLOR_CONTROL, 133 r300_provoking_vertex_fixes(r300, mode)); 134 OUT_CS_REG_SEQ(R300_VAP_VF_MAX_VTX_INDX, 2); 135 OUT_CS(max_index); 136 OUT_CS(min_index); 137 END_CS; 138} 139 140/* This function splits the index bias value into two parts: 141 * - buffer_offset: the value that can be safely added to buffer offsets 142 * in r300_emit_vertex_arrays (it must yield a positive offset when added to 143 * a vertex buffer offset) 144 * - index_offset: the value that must be manually subtracted from indices 145 * in an index buffer to achieve negative offsets. */ 146static void r300_split_index_bias(struct r300_context *r300, int index_bias, 147 int *buffer_offset, int *index_offset) 148{ 149 struct pipe_vertex_buffer *vb, *vbufs = r300->vbuf_mgr->real_vertex_buffer; 150 struct pipe_vertex_element *velem = r300->velems->velem; 151 unsigned i, size; 152 int max_neg_bias; 153 154 if (index_bias < 0) { 155 /* See how large index bias we may subtract. We must be careful 156 * here because negative buffer offsets are not allowed 157 * by the DRM API. */ 158 max_neg_bias = INT_MAX; 159 for (i = 0; i < r300->velems->count; i++) { 160 vb = &vbufs[velem[i].vertex_buffer_index]; 161 size = (vb->buffer_offset + velem[i].src_offset) / vb->stride; 162 max_neg_bias = MIN2(max_neg_bias, size); 163 } 164 165 /* Now set the minimum allowed value. */ 166 *buffer_offset = MAX2(-max_neg_bias, index_bias); 167 } else { 168 /* A positive index bias is OK. */ 169 *buffer_offset = index_bias; 170 } 171 172 *index_offset = index_bias - *buffer_offset; 173} 174 175enum r300_prepare_flags { 176 PREP_EMIT_STATES = (1 << 0), /* call emit_dirty_state and friends? */ 177 PREP_VALIDATE_VBOS = (1 << 1), /* validate VBOs? */ 178 PREP_EMIT_VARRAYS = (1 << 2), /* call emit_vertex_arrays? */ 179 PREP_EMIT_VARRAYS_SWTCL = (1 << 3), /* call emit_vertex_arrays_swtcl? */ 180 PREP_INDEXED = (1 << 4) /* is this draw_elements? */ 181}; 182 183/** 184 * Check if the requested number of dwords is available in the CS and 185 * if not, flush. 186 * \param r300 The context. 187 * \param flags See r300_prepare_flags. 188 * \param cs_dwords The number of dwords to reserve in CS. 189 * \return TRUE if the CS was flushed 190 */ 191static boolean r300_reserve_cs_dwords(struct r300_context *r300, 192 enum r300_prepare_flags flags, 193 unsigned cs_dwords) 194{ 195 boolean flushed = FALSE; 196 boolean emit_states = flags & PREP_EMIT_STATES; 197 boolean emit_vertex_arrays = flags & PREP_EMIT_VARRAYS; 198 boolean emit_vertex_arrays_swtcl = flags & PREP_EMIT_VARRAYS_SWTCL; 199 200 /* Add dirty state, index offset, and AOS. */ 201 if (emit_states) 202 cs_dwords += r300_get_num_dirty_dwords(r300); 203 204 if (r300->screen->caps.is_r500) 205 cs_dwords += 2; /* emit_index_offset */ 206 207 if (emit_vertex_arrays) 208 cs_dwords += 55; /* emit_vertex_arrays */ 209 210 if (emit_vertex_arrays_swtcl) 211 cs_dwords += 7; /* emit_vertex_arrays_swtcl */ 212 213 cs_dwords += r300_get_num_cs_end_dwords(r300); 214 215 /* Reserve requested CS space. */ 216 if (cs_dwords > (RADEON_MAX_CMDBUF_DWORDS - r300->cs->cdw)) { 217 r300_flush(&r300->context, RADEON_FLUSH_ASYNC, NULL); 218 flushed = TRUE; 219 } 220 221 return flushed; 222} 223 224/** 225 * Validate buffers and emit dirty state. 226 * \param r300 The context. 227 * \param flags See r300_prepare_flags. 228 * \param index_buffer The index buffer to validate. The parameter may be NULL. 229 * \param buffer_offset The offset passed to emit_vertex_arrays. 230 * \param index_bias The index bias to emit. 231 * \param instance_id Index of instance to render 232 * \return TRUE if rendering should be skipped 233 */ 234static boolean r300_emit_states(struct r300_context *r300, 235 enum r300_prepare_flags flags, 236 struct pipe_resource *index_buffer, 237 int buffer_offset, 238 int index_bias, int instance_id) 239{ 240 boolean emit_states = flags & PREP_EMIT_STATES; 241 boolean emit_vertex_arrays = flags & PREP_EMIT_VARRAYS; 242 boolean emit_vertex_arrays_swtcl = flags & PREP_EMIT_VARRAYS_SWTCL; 243 boolean indexed = flags & PREP_INDEXED; 244 boolean validate_vbos = flags & PREP_VALIDATE_VBOS; 245 246 /* Validate buffers and emit dirty state if needed. */ 247 if (emit_states || (emit_vertex_arrays && validate_vbos)) { 248 if (!r300_emit_buffer_validate(r300, validate_vbos, 249 index_buffer)) { 250 fprintf(stderr, "r300: CS space validation failed. " 251 "(not enough memory?) Skipping rendering.\n"); 252 return FALSE; 253 } 254 } 255 256 if (emit_states) 257 r300_emit_dirty_state(r300); 258 259 if (r300->screen->caps.is_r500) { 260 if (r300->screen->caps.has_tcl) 261 r500_emit_index_bias(r300, index_bias); 262 else 263 r500_emit_index_bias(r300, 0); 264 } 265 266 if (emit_vertex_arrays && 267 (r300->vertex_arrays_dirty || 268 r300->vertex_arrays_indexed != indexed || 269 r300->vertex_arrays_offset != buffer_offset || 270 r300->vertex_arrays_instance_id != instance_id)) { 271 r300_emit_vertex_arrays(r300, buffer_offset, indexed, instance_id); 272 273 r300->vertex_arrays_dirty = FALSE; 274 r300->vertex_arrays_indexed = indexed; 275 r300->vertex_arrays_offset = buffer_offset; 276 r300->vertex_arrays_instance_id = instance_id; 277 } 278 279 if (emit_vertex_arrays_swtcl) 280 r300_emit_vertex_arrays_swtcl(r300, indexed); 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 * \param instance_id The instance to render. 295 * \return TRUE if rendering should be skipped 296 */ 297static boolean r300_prepare_for_rendering(struct r300_context *r300, 298 enum r300_prepare_flags flags, 299 struct pipe_resource *index_buffer, 300 unsigned cs_dwords, 301 int buffer_offset, 302 int index_bias, 303 int instance_id) 304{ 305 /* Make sure there is enough space in the command stream and emit states. */ 306 if (r300_reserve_cs_dwords(r300, flags, cs_dwords)) 307 flags |= PREP_EMIT_STATES; 308 309 return r300_emit_states(r300, flags, index_buffer, buffer_offset, 310 index_bias, instance_id); 311} 312 313static boolean immd_is_good_idea(struct r300_context *r300, 314 unsigned count) 315{ 316 if (DBG_ON(r300, DBG_NO_IMMD)) { 317 return FALSE; 318 } 319 320 if (count * r300->velems->vertex_size_dwords > IMMD_DWORDS) { 321 return FALSE; 322 } 323 324 /* Buffers can only be used for read by r300 (except query buffers, but 325 * those can't be bound by a state tracker as vertex buffers). */ 326 return TRUE; 327} 328 329/***************************************************************************** 330 * The HWTCL draw functions. * 331 ****************************************************************************/ 332 333static void r300_draw_arrays_immediate(struct r300_context *r300, 334 const struct pipe_draw_info *info) 335{ 336 struct pipe_vertex_element* velem; 337 struct pipe_vertex_buffer* vbuf; 338 unsigned vertex_element_count = r300->velems->count; 339 unsigned i, v, vbi; 340 341 /* Size of the vertex, in dwords. */ 342 unsigned vertex_size = r300->velems->vertex_size_dwords; 343 344 /* The number of dwords for this draw operation. */ 345 unsigned dwords = 4 + info->count * vertex_size; 346 347 /* Size of the vertex element, in dwords. */ 348 unsigned size[PIPE_MAX_ATTRIBS]; 349 350 /* Stride to the same attrib in the next vertex in the vertex buffer, 351 * in dwords. */ 352 unsigned stride[PIPE_MAX_ATTRIBS]; 353 354 /* Mapped vertex buffers. */ 355 uint32_t* map[PIPE_MAX_ATTRIBS] = {0}; 356 uint32_t* mapelem[PIPE_MAX_ATTRIBS]; 357 358 CS_LOCALS(r300); 359 360 if (!r300_prepare_for_rendering(r300, PREP_EMIT_STATES, NULL, dwords, 0, 0, -1)) 361 return; 362 363 /* Calculate the vertex size, offsets, strides etc. and map the buffers. */ 364 for (i = 0; i < vertex_element_count; i++) { 365 velem = &r300->velems->velem[i]; 366 size[i] = r300->velems->format_size[i] / 4; 367 vbi = velem->vertex_buffer_index; 368 vbuf = &r300->vbuf_mgr->real_vertex_buffer[vbi]; 369 stride[i] = vbuf->stride / 4; 370 371 /* Map the buffer. */ 372 if (!map[vbi]) { 373 map[vbi] = (uint32_t*)r300->rws->buffer_map( 374 r300_resource(vbuf->buffer)->buf, 375 r300->cs, PIPE_TRANSFER_READ | PIPE_TRANSFER_UNSYNCHRONIZED); 376 map[vbi] += (vbuf->buffer_offset / 4) + stride[i] * info->start; 377 } 378 mapelem[i] = map[vbi] + (velem->src_offset / 4); 379 } 380 381 r300_emit_draw_init(r300, info->mode, 0, info->count-1); 382 383 BEGIN_CS(dwords); 384 OUT_CS_REG(R300_VAP_VTX_SIZE, vertex_size); 385 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_IMMD_2, info->count * vertex_size); 386 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_EMBEDDED | (info->count << 16) | 387 r300_translate_primitive(info->mode)); 388 389 /* Emit vertices. */ 390 for (v = 0; v < info->count; v++) { 391 for (i = 0; i < vertex_element_count; i++) { 392 OUT_CS_TABLE(&mapelem[i][stride[i] * v], size[i]); 393 } 394 } 395 END_CS; 396 397 /* Unmap buffers. */ 398 for (i = 0; i < vertex_element_count; i++) { 399 vbi = r300->velems->velem[i].vertex_buffer_index; 400 401 if (map[vbi]) { 402 r300->rws->buffer_unmap(r300_resource(r300->vbuf_mgr->real_vertex_buffer[vbi].buffer)->buf); 403 map[vbi] = NULL; 404 } 405 } 406} 407 408static void r300_emit_draw_arrays(struct r300_context *r300, 409 unsigned mode, 410 unsigned count) 411{ 412 boolean alt_num_verts = count > 65535; 413 CS_LOCALS(r300); 414 415 if (count >= (1 << 24)) { 416 fprintf(stderr, "r300: Got a huge number of vertices: %i, " 417 "refusing to render.\n", count); 418 return; 419 } 420 421 r300_emit_draw_init(r300, mode, 0, count-1); 422 423 BEGIN_CS(2 + (alt_num_verts ? 2 : 0)); 424 if (alt_num_verts) { 425 OUT_CS_REG(R500_VAP_ALT_NUM_VERTICES, count); 426 } 427 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_VBUF_2, 0); 428 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_LIST | (count << 16) | 429 r300_translate_primitive(mode) | 430 (alt_num_verts ? R500_VAP_VF_CNTL__USE_ALT_NUM_VERTS : 0)); 431 END_CS; 432} 433 434static void r300_emit_draw_elements(struct r300_context *r300, 435 struct pipe_resource* indexBuffer, 436 unsigned indexSize, 437 unsigned min_index, 438 unsigned max_index, 439 unsigned mode, 440 unsigned start, 441 unsigned count, 442 uint16_t *imm_indices3) 443{ 444 uint32_t count_dwords, offset_dwords; 445 boolean alt_num_verts = count > 65535; 446 CS_LOCALS(r300); 447 448 if (count >= (1 << 24) || max_index >= (1 << 24)) { 449 fprintf(stderr, "r300: Got a huge number of vertices: %i, " 450 "refusing to render (max_index: %i).\n", count, max_index); 451 return; 452 } 453 454 DBG(r300, DBG_DRAW, "r300: Indexbuf of %u indices, min %u max %u\n", 455 count, min_index, max_index); 456 457 r300_emit_draw_init(r300, mode, min_index, max_index); 458 459 /* If start is odd, render the first triangle with indices embedded 460 * in the command stream. This will increase start by 3 and make it 461 * even. We can then proceed without a fallback. */ 462 if (indexSize == 2 && (start & 1) && 463 mode == PIPE_PRIM_TRIANGLES) { 464 BEGIN_CS(4); 465 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, 2); 466 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (3 << 16) | 467 R300_VAP_VF_CNTL__PRIM_TRIANGLES); 468 OUT_CS(imm_indices3[1] << 16 | imm_indices3[0]); 469 OUT_CS(imm_indices3[2]); 470 END_CS; 471 472 start += 3; 473 count -= 3; 474 if (!count) 475 return; 476 } 477 478 offset_dwords = indexSize * start / sizeof(uint32_t); 479 480 BEGIN_CS(8 + (alt_num_verts ? 2 : 0)); 481 if (alt_num_verts) { 482 OUT_CS_REG(R500_VAP_ALT_NUM_VERTICES, count); 483 } 484 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, 0); 485 if (indexSize == 4) { 486 count_dwords = count; 487 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) | 488 R300_VAP_VF_CNTL__INDEX_SIZE_32bit | 489 r300_translate_primitive(mode) | 490 (alt_num_verts ? R500_VAP_VF_CNTL__USE_ALT_NUM_VERTS : 0)); 491 } else { 492 count_dwords = (count + 1) / 2; 493 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) | 494 r300_translate_primitive(mode) | 495 (alt_num_verts ? R500_VAP_VF_CNTL__USE_ALT_NUM_VERTS : 0)); 496 } 497 498 OUT_CS_PKT3(R300_PACKET3_INDX_BUFFER, 2); 499 OUT_CS(R300_INDX_BUFFER_ONE_REG_WR | (R300_VAP_PORT_IDX0 >> 2) | 500 (0 << R300_INDX_BUFFER_SKIP_SHIFT)); 501 OUT_CS(offset_dwords << 2); 502 OUT_CS(count_dwords); 503 OUT_CS_RELOC(r300_resource(indexBuffer)); 504 END_CS; 505} 506 507static void r300_draw_elements_immediate(struct r300_context *r300, 508 const struct pipe_draw_info *info) 509{ 510 uint8_t *ptr1; 511 uint16_t *ptr2; 512 uint32_t *ptr4; 513 unsigned index_size = r300->index_buffer.index_size; 514 unsigned i, count_dwords = index_size == 4 ? info->count : 515 (info->count + 1) / 2; 516 CS_LOCALS(r300); 517 518 /* 19 dwords for r300_draw_elements_immediate. Give up if the function fails. */ 519 if (!r300_prepare_for_rendering(r300, 520 PREP_EMIT_STATES | PREP_VALIDATE_VBOS | PREP_EMIT_VARRAYS | 521 PREP_INDEXED, NULL, 2+count_dwords, 0, info->index_bias, -1)) 522 return; 523 524 r300_emit_draw_init(r300, info->mode, info->min_index, info->max_index); 525 526 BEGIN_CS(2 + count_dwords); 527 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, count_dwords); 528 529 switch (index_size) { 530 case 1: 531 ptr1 = r300_resource(r300->index_buffer.buffer)->b.user_ptr; 532 ptr1 += info->start; 533 534 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (info->count << 16) | 535 r300_translate_primitive(info->mode)); 536 537 if (info->index_bias && !r300->screen->caps.is_r500) { 538 for (i = 0; i < info->count-1; i += 2) 539 OUT_CS(((ptr1[i+1] + info->index_bias) << 16) | 540 (ptr1[i] + info->index_bias)); 541 542 if (info->count & 1) 543 OUT_CS(ptr1[i] + info->index_bias); 544 } else { 545 for (i = 0; i < info->count-1; i += 2) 546 OUT_CS(((ptr1[i+1]) << 16) | 547 (ptr1[i] )); 548 549 if (info->count & 1) 550 OUT_CS(ptr1[i]); 551 } 552 break; 553 554 case 2: 555 ptr2 = (uint16_t*)r300_resource(r300->index_buffer.buffer)->b.user_ptr; 556 ptr2 += info->start; 557 558 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (info->count << 16) | 559 r300_translate_primitive(info->mode)); 560 561 if (info->index_bias && !r300->screen->caps.is_r500) { 562 for (i = 0; i < info->count-1; i += 2) 563 OUT_CS(((ptr2[i+1] + info->index_bias) << 16) | 564 (ptr2[i] + info->index_bias)); 565 566 if (info->count & 1) 567 OUT_CS(ptr2[i] + info->index_bias); 568 } else { 569 OUT_CS_TABLE(ptr2, count_dwords); 570 } 571 break; 572 573 case 4: 574 ptr4 = (uint32_t*)r300_resource(r300->index_buffer.buffer)->b.user_ptr; 575 ptr4 += info->start; 576 577 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (info->count << 16) | 578 R300_VAP_VF_CNTL__INDEX_SIZE_32bit | 579 r300_translate_primitive(info->mode)); 580 581 if (info->index_bias && !r300->screen->caps.is_r500) { 582 for (i = 0; i < info->count; i++) 583 OUT_CS(ptr4[i] + info->index_bias); 584 } else { 585 OUT_CS_TABLE(ptr4, count_dwords); 586 } 587 break; 588 } 589 END_CS; 590} 591 592static void r300_draw_elements(struct r300_context *r300, 593 const struct pipe_draw_info *info, 594 int instance_id) 595{ 596 struct pipe_resource *indexBuffer = r300->index_buffer.buffer; 597 unsigned indexSize = r300->index_buffer.index_size; 598 struct pipe_resource* orgIndexBuffer = indexBuffer; 599 unsigned start = info->start; 600 unsigned count = info->count; 601 boolean alt_num_verts = r300->screen->caps.is_r500 && 602 count > 65536; 603 unsigned short_count; 604 int buffer_offset = 0, index_offset = 0; /* for index bias emulation */ 605 uint16_t indices3[3]; 606 607 if (info->index_bias && !r300->screen->caps.is_r500) { 608 r300_split_index_bias(r300, info->index_bias, &buffer_offset, &index_offset); 609 } 610 611 r300_translate_index_buffer(r300, &indexBuffer, &indexSize, index_offset, 612 &start, count); 613 614 /* Fallback for misaligned ushort indices. */ 615 if (indexSize == 2 && (start & 1) && 616 !r300_resource(indexBuffer)->b.user_ptr) { 617 /* If we got here, then orgIndexBuffer == indexBuffer. */ 618 uint16_t *ptr = r300->rws->buffer_map(r300_resource(orgIndexBuffer)->buf, 619 r300->cs, 620 PIPE_TRANSFER_READ | 621 PIPE_TRANSFER_UNSYNCHRONIZED); 622 623 if (info->mode == PIPE_PRIM_TRIANGLES) { 624 memcpy(indices3, ptr + start, 6); 625 } else { 626 /* Copy the mapped index buffer directly to the upload buffer. 627 * The start index will be aligned simply from the fact that 628 * every sub-buffer in the upload buffer is aligned. */ 629 r300_upload_index_buffer(r300, &indexBuffer, indexSize, &start, 630 count, (uint8_t*)ptr); 631 } 632 r300->rws->buffer_unmap(r300_resource(orgIndexBuffer)->buf); 633 } else { 634 if (r300_resource(indexBuffer)->b.user_ptr) 635 r300_upload_index_buffer(r300, &indexBuffer, indexSize, 636 &start, count, 637 r300_resource(indexBuffer)->b.user_ptr); 638 } 639 640 /* 19 dwords for emit_draw_elements. Give up if the function fails. */ 641 if (!r300_prepare_for_rendering(r300, 642 PREP_EMIT_STATES | PREP_VALIDATE_VBOS | PREP_EMIT_VARRAYS | 643 PREP_INDEXED, indexBuffer, 19, buffer_offset, info->index_bias, 644 instance_id)) 645 goto done; 646 647 if (alt_num_verts || count <= 65535) { 648 r300_emit_draw_elements(r300, indexBuffer, indexSize, info->min_index, 649 info->max_index, info->mode, start, count, 650 indices3); 651 } else { 652 do { 653 /* The maximum must be divisible by 4 and 3, 654 * so that quad and triangle lists are split correctly. 655 * 656 * Strips, loops, and fans won't work. */ 657 short_count = MIN2(count, 65532); 658 659 r300_emit_draw_elements(r300, indexBuffer, indexSize, 660 info->min_index, info->max_index, 661 info->mode, start, short_count, indices3); 662 663 start += short_count; 664 count -= short_count; 665 666 /* 15 dwords for emit_draw_elements */ 667 if (count) { 668 if (!r300_prepare_for_rendering(r300, 669 PREP_VALIDATE_VBOS | PREP_EMIT_VARRAYS | PREP_INDEXED, 670 indexBuffer, 19, buffer_offset, info->index_bias, 671 instance_id)) 672 goto done; 673 } 674 } while (count); 675 } 676 677done: 678 if (indexBuffer != orgIndexBuffer) { 679 pipe_resource_reference( &indexBuffer, NULL ); 680 } 681} 682 683static void r300_draw_arrays(struct r300_context *r300, 684 const struct pipe_draw_info *info, 685 int instance_id) 686{ 687 boolean alt_num_verts = r300->screen->caps.is_r500 && 688 info->count > 65536; 689 unsigned start = info->start; 690 unsigned count = info->count; 691 unsigned short_count; 692 693 /* 9 spare dwords for emit_draw_arrays. Give up if the function fails. */ 694 if (!r300_prepare_for_rendering(r300, 695 PREP_EMIT_STATES | PREP_VALIDATE_VBOS | PREP_EMIT_VARRAYS, 696 NULL, 9, start, 0, instance_id)) 697 return; 698 699 if (alt_num_verts || count <= 65535) { 700 r300_emit_draw_arrays(r300, info->mode, count); 701 } else { 702 do { 703 /* The maximum must be divisible by 4 and 3, 704 * so that quad and triangle lists are split correctly. 705 * 706 * Strips, loops, and fans won't work. */ 707 short_count = MIN2(count, 65532); 708 r300_emit_draw_arrays(r300, info->mode, short_count); 709 710 start += short_count; 711 count -= short_count; 712 713 /* 9 spare dwords for emit_draw_arrays. Give up if the function fails. */ 714 if (count) { 715 if (!r300_prepare_for_rendering(r300, 716 PREP_VALIDATE_VBOS | PREP_EMIT_VARRAYS, NULL, 9, 717 start, 0, instance_id)) 718 return; 719 } 720 } while (count); 721 } 722} 723 724static void r300_draw_arrays_instanced(struct r300_context *r300, 725 const struct pipe_draw_info *info) 726{ 727 int i; 728 729 for (i = 0; i < info->instance_count; i++) 730 r300_draw_arrays(r300, info, i); 731} 732 733static void r300_draw_elements_instanced(struct r300_context *r300, 734 const struct pipe_draw_info *info) 735{ 736 int i; 737 738 for (i = 0; i < info->instance_count; i++) 739 r300_draw_elements(r300, info, i); 740} 741 742static void r300_draw_vbo(struct pipe_context* pipe, 743 const struct pipe_draw_info *dinfo) 744{ 745 struct r300_context* r300 = r300_context(pipe); 746 struct pipe_draw_info info = *dinfo; 747 748 info.indexed = info.indexed && r300->index_buffer.buffer; 749 750 if (r300->skip_rendering || 751 !u_trim_pipe_prim(info.mode, &info.count)) { 752 return; 753 } 754 755 r300_update_derived_state(r300); 756 757 /* Start the vbuf manager and update buffers if needed. */ 758 if (u_vbuf_draw_begin(r300->vbuf_mgr, &info) & U_VBUF_BUFFERS_UPDATED) { 759 r300->vertex_arrays_dirty = TRUE; 760 } 761 762 /* Draw. */ 763 if (info.indexed) { 764 info.start += r300->index_buffer.offset; 765 info.max_index = MIN2(r300->vbuf_mgr->max_index, info.max_index); 766 767 if (info.instance_count <= 1) { 768 if (info.count <= 8 && 769 r300_resource(r300->index_buffer.buffer)->b.user_ptr) { 770 r300_draw_elements_immediate(r300, &info); 771 } else { 772 r300_draw_elements(r300, &info, -1); 773 } 774 } else { 775 r300_draw_elements_instanced(r300, &info); 776 } 777 } else { 778 if (info.instance_count <= 1) { 779 if (immd_is_good_idea(r300, info.count)) { 780 r300_draw_arrays_immediate(r300, &info); 781 } else { 782 r300_draw_arrays(r300, &info, -1); 783 } 784 } else { 785 r300_draw_arrays_instanced(r300, &info); 786 } 787 } 788 789 u_vbuf_draw_end(r300->vbuf_mgr); 790} 791 792/**************************************************************************** 793 * The rest of this file is for SW TCL rendering only. Please be polite and * 794 * keep these functions separated so that they are easier to locate. ~C. * 795 ***************************************************************************/ 796 797/* SW TCL elements, using Draw. */ 798static void r300_swtcl_draw_vbo(struct pipe_context* pipe, 799 const struct pipe_draw_info *info) 800{ 801 struct r300_context* r300 = r300_context(pipe); 802 struct pipe_transfer *vb_transfer[PIPE_MAX_ATTRIBS]; 803 struct pipe_transfer *ib_transfer = NULL; 804 int i; 805 void *indices = NULL; 806 boolean indexed = info->indexed && r300->index_buffer.buffer; 807 808 if (r300->skip_rendering) { 809 return; 810 } 811 812 r300_update_derived_state(r300); 813 814 r300_reserve_cs_dwords(r300, 815 PREP_EMIT_STATES | PREP_EMIT_VARRAYS_SWTCL | 816 (indexed ? PREP_INDEXED : 0), 817 indexed ? 256 : 6); 818 819 for (i = 0; i < r300->vbuf_mgr->nr_vertex_buffers; i++) { 820 if (r300->vbuf_mgr->vertex_buffer[i].buffer) { 821 void *buf = pipe_buffer_map(pipe, 822 r300->vbuf_mgr->vertex_buffer[i].buffer, 823 PIPE_TRANSFER_READ | 824 PIPE_TRANSFER_UNSYNCHRONIZED, 825 &vb_transfer[i]); 826 draw_set_mapped_vertex_buffer(r300->draw, i, buf); 827 } 828 } 829 830 if (indexed) { 831 indices = pipe_buffer_map(pipe, r300->index_buffer.buffer, 832 PIPE_TRANSFER_READ | 833 PIPE_TRANSFER_UNSYNCHRONIZED, &ib_transfer); 834 } 835 836 draw_set_mapped_index_buffer(r300->draw, indices); 837 838 r300->draw_vbo_locked = TRUE; 839 r300->draw_first_emitted = FALSE; 840 draw_vbo(r300->draw, info); 841 draw_flush(r300->draw); 842 r300->draw_vbo_locked = FALSE; 843 844 for (i = 0; i < r300->vbuf_mgr->nr_vertex_buffers; i++) { 845 if (r300->vbuf_mgr->vertex_buffer[i].buffer) { 846 pipe_buffer_unmap(pipe, vb_transfer[i]); 847 draw_set_mapped_vertex_buffer(r300->draw, i, NULL); 848 } 849 } 850 851 if (indexed) { 852 pipe_buffer_unmap(pipe, ib_transfer); 853 draw_set_mapped_index_buffer(r300->draw, NULL); 854 } 855} 856 857/* Object for rendering using Draw. */ 858struct r300_render { 859 /* Parent class */ 860 struct vbuf_render base; 861 862 /* Pipe context */ 863 struct r300_context* r300; 864 865 /* Vertex information */ 866 size_t vertex_size; 867 unsigned prim; 868 unsigned hwprim; 869 870 /* VBO */ 871 size_t vbo_max_used; 872 void * vbo_ptr; 873 874 struct pipe_transfer *vbo_transfer; 875}; 876 877static INLINE struct r300_render* 878r300_render(struct vbuf_render* render) 879{ 880 return (struct r300_render*)render; 881} 882 883static const struct vertex_info* 884r300_render_get_vertex_info(struct vbuf_render* render) 885{ 886 struct r300_render* r300render = r300_render(render); 887 struct r300_context* r300 = r300render->r300; 888 889 return &r300->vertex_info; 890} 891 892static boolean r300_render_allocate_vertices(struct vbuf_render* render, 893 ushort vertex_size, 894 ushort count) 895{ 896 struct r300_render* r300render = r300_render(render); 897 struct r300_context* r300 = r300render->r300; 898 struct pipe_screen* screen = r300->context.screen; 899 size_t size = (size_t)vertex_size * (size_t)count; 900 901 DBG(r300, DBG_DRAW, "r300: render_allocate_vertices (size: %d)\n", size); 902 903 if (size + r300->draw_vbo_offset > r300->draw_vbo_size) 904 { 905 pipe_resource_reference(&r300->vbo, NULL); 906 r300->vbo = pipe_buffer_create(screen, 907 PIPE_BIND_VERTEX_BUFFER, 908 PIPE_USAGE_STREAM, 909 R300_MAX_DRAW_VBO_SIZE); 910 r300->draw_vbo_offset = 0; 911 r300->draw_vbo_size = R300_MAX_DRAW_VBO_SIZE; 912 } 913 914 r300render->vertex_size = vertex_size; 915 916 return (r300->vbo) ? TRUE : FALSE; 917} 918 919static void* r300_render_map_vertices(struct vbuf_render* render) 920{ 921 struct r300_render* r300render = r300_render(render); 922 struct r300_context* r300 = r300render->r300; 923 924 assert(!r300render->vbo_transfer); 925 926 DBG(r300, DBG_DRAW, "r300: render_map_vertices\n"); 927 928 r300render->vbo_ptr = pipe_buffer_map(&r300render->r300->context, 929 r300->vbo, 930 PIPE_TRANSFER_WRITE | 931 PIPE_TRANSFER_UNSYNCHRONIZED, 932 &r300render->vbo_transfer); 933 934 assert(r300render->vbo_ptr); 935 936 return ((uint8_t*)r300render->vbo_ptr + r300->draw_vbo_offset); 937} 938 939static void r300_render_unmap_vertices(struct vbuf_render* render, 940 ushort min, 941 ushort max) 942{ 943 struct r300_render* r300render = r300_render(render); 944 struct pipe_context* context = &r300render->r300->context; 945 struct r300_context* r300 = r300render->r300; 946 947 assert(r300render->vbo_transfer); 948 949 DBG(r300, DBG_DRAW, "r300: render_unmap_vertices\n"); 950 951 r300render->vbo_max_used = MAX2(r300render->vbo_max_used, 952 r300render->vertex_size * (max + 1)); 953 pipe_buffer_unmap(context, r300render->vbo_transfer); 954 955 r300render->vbo_transfer = NULL; 956} 957 958static void r300_render_release_vertices(struct vbuf_render* render) 959{ 960 struct r300_render* r300render = r300_render(render); 961 struct r300_context* r300 = r300render->r300; 962 963 DBG(r300, DBG_DRAW, "r300: render_release_vertices\n"); 964 965 r300->draw_vbo_offset += r300render->vbo_max_used; 966 r300render->vbo_max_used = 0; 967} 968 969static boolean r300_render_set_primitive(struct vbuf_render* render, 970 unsigned prim) 971{ 972 struct r300_render* r300render = r300_render(render); 973 974 r300render->prim = prim; 975 r300render->hwprim = r300_translate_primitive(prim); 976 977 return TRUE; 978} 979 980static void r300_render_draw_arrays(struct vbuf_render* render, 981 unsigned start, 982 unsigned count) 983{ 984 struct r300_render* r300render = r300_render(render); 985 struct r300_context* r300 = r300render->r300; 986 uint8_t* ptr; 987 unsigned i; 988 unsigned dwords = 6; 989 990 CS_LOCALS(r300); 991 (void) i; (void) ptr; 992 993 DBG(r300, DBG_DRAW, "r300: render_draw_arrays (count: %d)\n", count); 994 995 if (r300->draw_first_emitted) { 996 if (!r300_prepare_for_rendering(r300, 997 PREP_EMIT_STATES | PREP_EMIT_VARRAYS_SWTCL, 998 NULL, dwords, 0, 0, -1)) 999 return; 1000 } else { 1001 if (!r300_emit_states(r300, 1002 PREP_EMIT_STATES | PREP_EMIT_VARRAYS_SWTCL, 1003 NULL, 0, 0, -1)) 1004 return; 1005 } 1006 1007 BEGIN_CS(dwords); 1008 OUT_CS_REG(R300_GA_COLOR_CONTROL, 1009 r300_provoking_vertex_fixes(r300, r300render->prim)); 1010 OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, count - 1); 1011 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_VBUF_2, 0); 1012 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_LIST | (count << 16) | 1013 r300render->hwprim); 1014 END_CS; 1015 1016 r300->draw_first_emitted = TRUE; 1017} 1018 1019static void r300_render_draw_elements(struct vbuf_render* render, 1020 const ushort* indices, 1021 uint count) 1022{ 1023 struct r300_render* r300render = r300_render(render); 1024 struct r300_context* r300 = r300render->r300; 1025 int i; 1026 unsigned end_cs_dwords; 1027 unsigned max_index = (r300->draw_vbo_size - r300->draw_vbo_offset) / 1028 (r300render->r300->vertex_info.size * 4) - 1; 1029 unsigned short_count; 1030 unsigned free_dwords; 1031 1032 CS_LOCALS(r300); 1033 DBG(r300, DBG_DRAW, "r300: render_draw_elements (count: %d)\n", count); 1034 1035 if (r300->draw_first_emitted) { 1036 if (!r300_prepare_for_rendering(r300, 1037 PREP_EMIT_STATES | PREP_EMIT_VARRAYS_SWTCL | PREP_INDEXED, 1038 NULL, 256, 0, 0, -1)) 1039 return; 1040 } else { 1041 if (!r300_emit_states(r300, 1042 PREP_EMIT_STATES | PREP_EMIT_VARRAYS_SWTCL | PREP_INDEXED, 1043 NULL, 0, 0, -1)) 1044 return; 1045 } 1046 1047 /* Below we manage the CS space manually because there may be more 1048 * indices than it can fit in CS. */ 1049 1050 end_cs_dwords = r300_get_num_cs_end_dwords(r300); 1051 1052 while (count) { 1053 free_dwords = RADEON_MAX_CMDBUF_DWORDS - r300->cs->cdw; 1054 1055 short_count = MIN2(count, (free_dwords - end_cs_dwords - 6) * 2); 1056 1057 BEGIN_CS(6 + (short_count+1)/2); 1058 OUT_CS_REG(R300_GA_COLOR_CONTROL, 1059 r300_provoking_vertex_fixes(r300, r300render->prim)); 1060 OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, max_index); 1061 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, (short_count+1)/2); 1062 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (short_count << 16) | 1063 r300render->hwprim); 1064 for (i = 0; i < short_count-1; i += 2) { 1065 OUT_CS(indices[i+1] << 16 | indices[i]); 1066 } 1067 if (short_count % 2) { 1068 OUT_CS(indices[short_count-1]); 1069 } 1070 END_CS; 1071 1072 /* OK now subtract the emitted indices and see if we need to emit 1073 * another draw packet. */ 1074 indices += short_count; 1075 count -= short_count; 1076 1077 if (count) { 1078 if (!r300_prepare_for_rendering(r300, 1079 PREP_EMIT_VARRAYS_SWTCL | PREP_INDEXED, 1080 NULL, 256, 0, 0, -1)) 1081 return; 1082 1083 end_cs_dwords = r300_get_num_cs_end_dwords(r300); 1084 } 1085 } 1086 1087 r300->draw_first_emitted = TRUE; 1088} 1089 1090static void r300_render_destroy(struct vbuf_render* render) 1091{ 1092 FREE(render); 1093} 1094 1095static struct vbuf_render* r300_render_create(struct r300_context* r300) 1096{ 1097 struct r300_render* r300render = CALLOC_STRUCT(r300_render); 1098 1099 r300render->r300 = r300; 1100 1101 r300render->base.max_vertex_buffer_bytes = 1024 * 1024; 1102 r300render->base.max_indices = 16 * 1024; 1103 1104 r300render->base.get_vertex_info = r300_render_get_vertex_info; 1105 r300render->base.allocate_vertices = r300_render_allocate_vertices; 1106 r300render->base.map_vertices = r300_render_map_vertices; 1107 r300render->base.unmap_vertices = r300_render_unmap_vertices; 1108 r300render->base.set_primitive = r300_render_set_primitive; 1109 r300render->base.draw_elements = r300_render_draw_elements; 1110 r300render->base.draw_arrays = r300_render_draw_arrays; 1111 r300render->base.release_vertices = r300_render_release_vertices; 1112 r300render->base.destroy = r300_render_destroy; 1113 1114 return &r300render->base; 1115} 1116 1117struct draw_stage* r300_draw_stage(struct r300_context* r300) 1118{ 1119 struct vbuf_render* render; 1120 struct draw_stage* stage; 1121 1122 render = r300_render_create(r300); 1123 1124 if (!render) { 1125 return NULL; 1126 } 1127 1128 stage = draw_vbuf_stage(r300->draw, render); 1129 1130 if (!stage) { 1131 render->destroy(render); 1132 return NULL; 1133 } 1134 1135 draw_set_render(r300->draw, render); 1136 1137 return stage; 1138} 1139 1140void r300_draw_flush_vbuf(struct r300_context *r300) 1141{ 1142 pipe_resource_reference(&r300->vbo, NULL); 1143 r300->draw_vbo_size = 0; 1144} 1145 1146/**************************************************************************** 1147 * End of SW TCL functions * 1148 ***************************************************************************/ 1149 1150/* This functions is used to draw a rectangle for the blitter module. 1151 * 1152 * If we rendered a quad, the pixels on the main diagonal 1153 * would be computed and stored twice, which makes the clear/copy codepaths 1154 * somewhat inefficient. Instead we use a rectangular point sprite. */ 1155static void r300_blitter_draw_rectangle(struct blitter_context *blitter, 1156 unsigned x1, unsigned y1, 1157 unsigned x2, unsigned y2, 1158 float depth, 1159 enum blitter_attrib_type type, 1160 const union pipe_color_union *attrib) 1161{ 1162 struct r300_context *r300 = r300_context(util_blitter_get_pipe(blitter)); 1163 unsigned last_sprite_coord_enable = r300->sprite_coord_enable; 1164 unsigned width = x2 - x1; 1165 unsigned height = y2 - y1; 1166 unsigned vertex_size = 1167 type == UTIL_BLITTER_ATTRIB_COLOR || !r300->draw ? 8 : 4; 1168 unsigned dwords = 13 + vertex_size + 1169 (type == UTIL_BLITTER_ATTRIB_TEXCOORD ? 7 : 0); 1170 static const union pipe_color_union zeros; 1171 CS_LOCALS(r300); 1172 1173 if (r300->skip_rendering) 1174 return; 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, -1)) 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->f[0]); 1202 OUT_CS_32F(attrib->f[3]); 1203 OUT_CS_32F(attrib->f[2]); 1204 OUT_CS_32F(attrib->f[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->f, 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 const struct pipe_resolve_info *info) 1243{ 1244 struct r300_context *r300 = r300_context(pipe); 1245 struct pipe_surface *srcsurf, *dstsurf, surf_tmpl; 1246 struct r300_aa_state *aa = (struct r300_aa_state*)r300->aa_state.state; 1247 static const union pipe_color_union color; 1248 1249 memset(&surf_tmpl, 0, sizeof(surf_tmpl)); 1250 surf_tmpl.format = info->src.res->format; 1251 surf_tmpl.u.tex.first_layer = 1252 surf_tmpl.u.tex.last_layer = info->src.layer; 1253 srcsurf = pipe->create_surface(pipe, info->src.res, &surf_tmpl); 1254 /* XXX Offset both surfaces by x0,y1. */ 1255 1256 surf_tmpl.format = info->dst.res->format; 1257 surf_tmpl.u.tex.level = info->dst.level; 1258 surf_tmpl.u.tex.first_layer = 1259 surf_tmpl.u.tex.last_layer = info->dst.layer; 1260 dstsurf = pipe->create_surface(pipe, info->dst.res, &surf_tmpl); 1261 1262 DBG(r300, DBG_DRAW, "r300: Resolving resource...\n"); 1263 1264 /* Enable AA resolve. */ 1265 aa->dest = r300_surface(dstsurf); 1266 aa->aaresolve_ctl = 1267 R300_RB3D_AARESOLVE_CTL_AARESOLVE_MODE_RESOLVE | 1268 R300_RB3D_AARESOLVE_CTL_AARESOLVE_ALPHA_AVERAGE; 1269 r300->aa_state.size = 10; 1270 r300_mark_atom_dirty(r300, &r300->aa_state); 1271 1272 /* Resolve the surface. */ 1273 /* XXX: y1 < 0 ==> Y flip */ 1274 r300->context.clear_render_target(pipe, 1275 srcsurf, &color, 0, 0, 1276 info->dst.x1 - info->dst.x0, 1277 info->dst.y1 - info->dst.y0); 1278 1279 /* Disable AA resolve. */ 1280 aa->aaresolve_ctl = 0; 1281 r300->aa_state.size = 4; 1282 r300_mark_atom_dirty(r300, &r300->aa_state); 1283 1284 pipe_surface_reference(&srcsurf, NULL); 1285 pipe_surface_reference(&dstsurf, NULL); 1286} 1287 1288void r300_init_render_functions(struct r300_context *r300) 1289{ 1290 /* Set draw functions based on presence of HW TCL. */ 1291 if (r300->screen->caps.has_tcl) { 1292 r300->context.draw_vbo = r300_draw_vbo; 1293 } else { 1294 r300->context.draw_vbo = r300_swtcl_draw_vbo; 1295 } 1296 1297 r300->context.resource_resolve = r300_resource_resolve; 1298 r300->blitter->draw_rectangle = r300_blitter_draw_rectangle; 1299 1300 /* Plug in the two-sided stencil reference value fallback if needed. */ 1301 if (!r300->screen->caps.is_r500) 1302 r300_plug_in_stencil_ref_fallback(r300); 1303} 1304