r300_render.c revision 5506f6ef966b8883e575a3f60ce96ad42ee6ffd2
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, 525 info->min_index + info->index_bias, 526 info->max_index + info->index_bias); 527 528 BEGIN_CS(2 + count_dwords); 529 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, count_dwords); 530 531 switch (index_size) { 532 case 1: 533 ptr1 = r300_resource(r300->index_buffer.buffer)->b.user_ptr; 534 ptr1 += info->start; 535 536 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (info->count << 16) | 537 r300_translate_primitive(info->mode)); 538 539 if (info->index_bias && !r300->screen->caps.is_r500) { 540 for (i = 0; i < info->count-1; i += 2) 541 OUT_CS(((ptr1[i+1] + info->index_bias) << 16) | 542 (ptr1[i] + info->index_bias)); 543 544 if (info->count & 1) 545 OUT_CS(ptr1[i] + info->index_bias); 546 } else { 547 for (i = 0; i < info->count-1; i += 2) 548 OUT_CS(((ptr1[i+1]) << 16) | 549 (ptr1[i] )); 550 551 if (info->count & 1) 552 OUT_CS(ptr1[i]); 553 } 554 break; 555 556 case 2: 557 ptr2 = (uint16_t*)r300_resource(r300->index_buffer.buffer)->b.user_ptr; 558 ptr2 += info->start; 559 560 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (info->count << 16) | 561 r300_translate_primitive(info->mode)); 562 563 if (info->index_bias && !r300->screen->caps.is_r500) { 564 for (i = 0; i < info->count-1; i += 2) 565 OUT_CS(((ptr2[i+1] + info->index_bias) << 16) | 566 (ptr2[i] + info->index_bias)); 567 568 if (info->count & 1) 569 OUT_CS(ptr2[i] + info->index_bias); 570 } else { 571 OUT_CS_TABLE(ptr2, count_dwords); 572 } 573 break; 574 575 case 4: 576 ptr4 = (uint32_t*)r300_resource(r300->index_buffer.buffer)->b.user_ptr; 577 ptr4 += info->start; 578 579 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (info->count << 16) | 580 R300_VAP_VF_CNTL__INDEX_SIZE_32bit | 581 r300_translate_primitive(info->mode)); 582 583 if (info->index_bias && !r300->screen->caps.is_r500) { 584 for (i = 0; i < info->count; i++) 585 OUT_CS(ptr4[i] + info->index_bias); 586 } else { 587 OUT_CS_TABLE(ptr4, count_dwords); 588 } 589 break; 590 } 591 END_CS; 592} 593 594static void r300_draw_elements(struct r300_context *r300, 595 const struct pipe_draw_info *info, 596 int instance_id) 597{ 598 struct pipe_resource *indexBuffer = r300->index_buffer.buffer; 599 unsigned indexSize = r300->index_buffer.index_size; 600 struct pipe_resource* orgIndexBuffer = indexBuffer; 601 unsigned start = info->start; 602 unsigned count = info->count; 603 boolean alt_num_verts = r300->screen->caps.is_r500 && 604 count > 65536; 605 unsigned short_count; 606 int buffer_offset = 0, index_offset = 0; /* for index bias emulation */ 607 uint16_t indices3[3]; 608 609 if (info->index_bias && !r300->screen->caps.is_r500) { 610 r300_split_index_bias(r300, info->index_bias, &buffer_offset, &index_offset); 611 } 612 613 r300_translate_index_buffer(r300, &indexBuffer, &indexSize, index_offset, 614 &start, count); 615 616 /* Fallback for misaligned ushort indices. */ 617 if (indexSize == 2 && (start & 1) && 618 !r300_resource(indexBuffer)->b.user_ptr) { 619 /* If we got here, then orgIndexBuffer == indexBuffer. */ 620 uint16_t *ptr = r300->rws->buffer_map(r300_resource(orgIndexBuffer)->buf, 621 r300->cs, 622 PIPE_TRANSFER_READ | 623 PIPE_TRANSFER_UNSYNCHRONIZED); 624 625 if (info->mode == PIPE_PRIM_TRIANGLES) { 626 memcpy(indices3, ptr + start, 6); 627 } else { 628 /* Copy the mapped index buffer directly to the upload buffer. 629 * The start index will be aligned simply from the fact that 630 * every sub-buffer in the upload buffer is aligned. */ 631 r300_upload_index_buffer(r300, &indexBuffer, indexSize, &start, 632 count, (uint8_t*)ptr); 633 } 634 r300->rws->buffer_unmap(r300_resource(orgIndexBuffer)->buf); 635 } else { 636 if (r300_resource(indexBuffer)->b.user_ptr) 637 r300_upload_index_buffer(r300, &indexBuffer, indexSize, 638 &start, count, 639 r300_resource(indexBuffer)->b.user_ptr); 640 } 641 642 /* 19 dwords for emit_draw_elements. Give up if the function fails. */ 643 if (!r300_prepare_for_rendering(r300, 644 PREP_EMIT_STATES | PREP_VALIDATE_VBOS | PREP_EMIT_VARRAYS | 645 PREP_INDEXED, indexBuffer, 19, buffer_offset, info->index_bias, 646 instance_id)) 647 goto done; 648 649 if (alt_num_verts || count <= 65535) { 650 r300_emit_draw_elements(r300, indexBuffer, indexSize, info->min_index, 651 info->max_index, info->mode, start, count, 652 indices3); 653 } else { 654 do { 655 /* The maximum must be divisible by 4 and 3, 656 * so that quad and triangle lists are split correctly. 657 * 658 * Strips, loops, and fans won't work. */ 659 short_count = MIN2(count, 65532); 660 661 r300_emit_draw_elements(r300, indexBuffer, indexSize, 662 info->min_index, info->max_index, 663 info->mode, start, short_count, indices3); 664 665 start += short_count; 666 count -= short_count; 667 668 /* 15 dwords for emit_draw_elements */ 669 if (count) { 670 if (!r300_prepare_for_rendering(r300, 671 PREP_VALIDATE_VBOS | PREP_EMIT_VARRAYS | PREP_INDEXED, 672 indexBuffer, 19, buffer_offset, info->index_bias, 673 instance_id)) 674 goto done; 675 } 676 } while (count); 677 } 678 679done: 680 if (indexBuffer != orgIndexBuffer) { 681 pipe_resource_reference( &indexBuffer, NULL ); 682 } 683} 684 685static void r300_draw_arrays(struct r300_context *r300, 686 const struct pipe_draw_info *info, 687 int instance_id) 688{ 689 boolean alt_num_verts = r300->screen->caps.is_r500 && 690 info->count > 65536; 691 unsigned start = info->start; 692 unsigned count = info->count; 693 unsigned short_count; 694 695 /* 9 spare dwords for emit_draw_arrays. Give up if the function fails. */ 696 if (!r300_prepare_for_rendering(r300, 697 PREP_EMIT_STATES | PREP_VALIDATE_VBOS | PREP_EMIT_VARRAYS, 698 NULL, 9, start, 0, instance_id)) 699 return; 700 701 if (alt_num_verts || count <= 65535) { 702 r300_emit_draw_arrays(r300, info->mode, count); 703 } else { 704 do { 705 /* The maximum must be divisible by 4 and 3, 706 * so that quad and triangle lists are split correctly. 707 * 708 * Strips, loops, and fans won't work. */ 709 short_count = MIN2(count, 65532); 710 r300_emit_draw_arrays(r300, info->mode, short_count); 711 712 start += short_count; 713 count -= short_count; 714 715 /* 9 spare dwords for emit_draw_arrays. Give up if the function fails. */ 716 if (count) { 717 if (!r300_prepare_for_rendering(r300, 718 PREP_VALIDATE_VBOS | PREP_EMIT_VARRAYS, NULL, 9, 719 start, 0, instance_id)) 720 return; 721 } 722 } while (count); 723 } 724} 725 726static void r300_draw_arrays_instanced(struct r300_context *r300, 727 const struct pipe_draw_info *info) 728{ 729 int i; 730 731 for (i = 0; i < info->instance_count; i++) 732 r300_draw_arrays(r300, info, i); 733} 734 735static void r300_draw_elements_instanced(struct r300_context *r300, 736 const struct pipe_draw_info *info) 737{ 738 int i; 739 740 for (i = 0; i < info->instance_count; i++) 741 r300_draw_elements(r300, info, i); 742} 743 744static void r300_draw_vbo(struct pipe_context* pipe, 745 const struct pipe_draw_info *dinfo) 746{ 747 struct r300_context* r300 = r300_context(pipe); 748 struct pipe_draw_info info = *dinfo; 749 750 info.indexed = info.indexed && r300->index_buffer.buffer; 751 752 if (r300->skip_rendering || 753 !u_trim_pipe_prim(info.mode, &info.count)) { 754 return; 755 } 756 757 r300_update_derived_state(r300); 758 759 /* Start the vbuf manager and update buffers if needed. */ 760 if (u_vbuf_draw_begin(r300->vbuf_mgr, &info) & U_VBUF_BUFFERS_UPDATED) { 761 r300->vertex_arrays_dirty = TRUE; 762 } 763 764 /* Draw. */ 765 if (info.indexed) { 766 info.start += r300->index_buffer.offset; 767 info.max_index = MIN2(r300->vbuf_mgr->max_index, info.max_index); 768 769 if (info.instance_count <= 1) { 770 if (info.count <= 8 && 771 r300_resource(r300->index_buffer.buffer)->b.user_ptr) { 772 r300_draw_elements_immediate(r300, &info); 773 } else { 774 r300_draw_elements(r300, &info, -1); 775 } 776 } else { 777 r300_draw_elements_instanced(r300, &info); 778 } 779 } else { 780 if (info.instance_count <= 1) { 781 if (immd_is_good_idea(r300, info.count)) { 782 r300_draw_arrays_immediate(r300, &info); 783 } else { 784 r300_draw_arrays(r300, &info, -1); 785 } 786 } else { 787 r300_draw_arrays_instanced(r300, &info); 788 } 789 } 790 791 u_vbuf_draw_end(r300->vbuf_mgr); 792} 793 794/**************************************************************************** 795 * The rest of this file is for SW TCL rendering only. Please be polite and * 796 * keep these functions separated so that they are easier to locate. ~C. * 797 ***************************************************************************/ 798 799/* SW TCL elements, using Draw. */ 800static void r300_swtcl_draw_vbo(struct pipe_context* pipe, 801 const struct pipe_draw_info *info) 802{ 803 struct r300_context* r300 = r300_context(pipe); 804 struct pipe_transfer *vb_transfer[PIPE_MAX_ATTRIBS]; 805 struct pipe_transfer *ib_transfer = NULL; 806 unsigned count = info->count; 807 int i; 808 void *indices = NULL; 809 boolean indexed = info->indexed && r300->index_buffer.buffer; 810 811 if (r300->skip_rendering) { 812 return; 813 } 814 815 if (!u_trim_pipe_prim(info->mode, &count)) { 816 return; 817 } 818 819 r300_update_derived_state(r300); 820 821 r300_reserve_cs_dwords(r300, 822 PREP_EMIT_STATES | PREP_EMIT_VARRAYS_SWTCL | 823 (indexed ? PREP_INDEXED : 0), 824 indexed ? 256 : 6); 825 826 for (i = 0; i < r300->vbuf_mgr->nr_vertex_buffers; i++) { 827 if (r300->vbuf_mgr->vertex_buffer[i].buffer) { 828 void *buf = pipe_buffer_map(pipe, 829 r300->vbuf_mgr->vertex_buffer[i].buffer, 830 PIPE_TRANSFER_READ | 831 PIPE_TRANSFER_UNSYNCHRONIZED, 832 &vb_transfer[i]); 833 draw_set_mapped_vertex_buffer(r300->draw, i, buf); 834 } 835 } 836 837 if (indexed) { 838 indices = pipe_buffer_map(pipe, r300->index_buffer.buffer, 839 PIPE_TRANSFER_READ | 840 PIPE_TRANSFER_UNSYNCHRONIZED, &ib_transfer); 841 } 842 843 draw_set_mapped_index_buffer(r300->draw, indices); 844 845 r300->draw_vbo_locked = TRUE; 846 r300->draw_first_emitted = FALSE; 847 draw_vbo(r300->draw, info); 848 draw_flush(r300->draw); 849 r300->draw_vbo_locked = FALSE; 850 851 for (i = 0; i < r300->vbuf_mgr->nr_vertex_buffers; i++) { 852 if (r300->vbuf_mgr->vertex_buffer[i].buffer) { 853 pipe_buffer_unmap(pipe, vb_transfer[i]); 854 draw_set_mapped_vertex_buffer(r300->draw, i, NULL); 855 } 856 } 857 858 if (indexed) { 859 pipe_buffer_unmap(pipe, ib_transfer); 860 draw_set_mapped_index_buffer(r300->draw, NULL); 861 } 862} 863 864/* Object for rendering using Draw. */ 865struct r300_render { 866 /* Parent class */ 867 struct vbuf_render base; 868 869 /* Pipe context */ 870 struct r300_context* r300; 871 872 /* Vertex information */ 873 size_t vertex_size; 874 unsigned prim; 875 unsigned hwprim; 876 877 /* VBO */ 878 size_t vbo_max_used; 879 void * vbo_ptr; 880 881 struct pipe_transfer *vbo_transfer; 882}; 883 884static INLINE struct r300_render* 885r300_render(struct vbuf_render* render) 886{ 887 return (struct r300_render*)render; 888} 889 890static const struct vertex_info* 891r300_render_get_vertex_info(struct vbuf_render* render) 892{ 893 struct r300_render* r300render = r300_render(render); 894 struct r300_context* r300 = r300render->r300; 895 896 return &r300->vertex_info; 897} 898 899static boolean r300_render_allocate_vertices(struct vbuf_render* render, 900 ushort vertex_size, 901 ushort count) 902{ 903 struct r300_render* r300render = r300_render(render); 904 struct r300_context* r300 = r300render->r300; 905 struct pipe_screen* screen = r300->context.screen; 906 size_t size = (size_t)vertex_size * (size_t)count; 907 908 DBG(r300, DBG_DRAW, "r300: render_allocate_vertices (size: %d)\n", size); 909 910 if (size + r300->draw_vbo_offset > r300->draw_vbo_size) 911 { 912 pipe_resource_reference(&r300->vbo, NULL); 913 r300->vbo = pipe_buffer_create(screen, 914 PIPE_BIND_VERTEX_BUFFER, 915 PIPE_USAGE_STREAM, 916 R300_MAX_DRAW_VBO_SIZE); 917 r300->draw_vbo_offset = 0; 918 r300->draw_vbo_size = R300_MAX_DRAW_VBO_SIZE; 919 } 920 921 r300render->vertex_size = vertex_size; 922 923 return (r300->vbo) ? TRUE : FALSE; 924} 925 926static void* r300_render_map_vertices(struct vbuf_render* render) 927{ 928 struct r300_render* r300render = r300_render(render); 929 struct r300_context* r300 = r300render->r300; 930 931 assert(!r300render->vbo_transfer); 932 933 DBG(r300, DBG_DRAW, "r300: render_map_vertices\n"); 934 935 r300render->vbo_ptr = pipe_buffer_map(&r300render->r300->context, 936 r300->vbo, 937 PIPE_TRANSFER_WRITE | 938 PIPE_TRANSFER_UNSYNCHRONIZED, 939 &r300render->vbo_transfer); 940 941 assert(r300render->vbo_ptr); 942 943 return ((uint8_t*)r300render->vbo_ptr + r300->draw_vbo_offset); 944} 945 946static void r300_render_unmap_vertices(struct vbuf_render* render, 947 ushort min, 948 ushort max) 949{ 950 struct r300_render* r300render = r300_render(render); 951 struct pipe_context* context = &r300render->r300->context; 952 struct r300_context* r300 = r300render->r300; 953 954 assert(r300render->vbo_transfer); 955 956 DBG(r300, DBG_DRAW, "r300: render_unmap_vertices\n"); 957 958 r300render->vbo_max_used = MAX2(r300render->vbo_max_used, 959 r300render->vertex_size * (max + 1)); 960 pipe_buffer_unmap(context, r300render->vbo_transfer); 961 962 r300render->vbo_transfer = NULL; 963} 964 965static void r300_render_release_vertices(struct vbuf_render* render) 966{ 967 struct r300_render* r300render = r300_render(render); 968 struct r300_context* r300 = r300render->r300; 969 970 DBG(r300, DBG_DRAW, "r300: render_release_vertices\n"); 971 972 r300->draw_vbo_offset += r300render->vbo_max_used; 973 r300render->vbo_max_used = 0; 974} 975 976static boolean r300_render_set_primitive(struct vbuf_render* render, 977 unsigned prim) 978{ 979 struct r300_render* r300render = r300_render(render); 980 981 r300render->prim = prim; 982 r300render->hwprim = r300_translate_primitive(prim); 983 984 return TRUE; 985} 986 987static void r300_render_draw_arrays(struct vbuf_render* render, 988 unsigned start, 989 unsigned count) 990{ 991 struct r300_render* r300render = r300_render(render); 992 struct r300_context* r300 = r300render->r300; 993 uint8_t* ptr; 994 unsigned i; 995 unsigned dwords = 6; 996 997 CS_LOCALS(r300); 998 (void) i; (void) ptr; 999 1000 DBG(r300, DBG_DRAW, "r300: render_draw_arrays (count: %d)\n", count); 1001 1002 if (r300->draw_first_emitted) { 1003 if (!r300_prepare_for_rendering(r300, 1004 PREP_EMIT_STATES | PREP_EMIT_VARRAYS_SWTCL, 1005 NULL, dwords, 0, 0, -1)) 1006 return; 1007 } else { 1008 if (!r300_emit_states(r300, 1009 PREP_EMIT_STATES | PREP_EMIT_VARRAYS_SWTCL, 1010 NULL, 0, 0, -1)) 1011 return; 1012 } 1013 1014 BEGIN_CS(dwords); 1015 OUT_CS_REG(R300_GA_COLOR_CONTROL, 1016 r300_provoking_vertex_fixes(r300, r300render->prim)); 1017 OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, count - 1); 1018 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_VBUF_2, 0); 1019 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_LIST | (count << 16) | 1020 r300render->hwprim); 1021 END_CS; 1022 1023 r300->draw_first_emitted = TRUE; 1024} 1025 1026static void r300_render_draw_elements(struct vbuf_render* render, 1027 const ushort* indices, 1028 uint count) 1029{ 1030 struct r300_render* r300render = r300_render(render); 1031 struct r300_context* r300 = r300render->r300; 1032 int i; 1033 unsigned end_cs_dwords; 1034 unsigned max_index = (r300->draw_vbo_size - r300->draw_vbo_offset) / 1035 (r300render->r300->vertex_info.size * 4) - 1; 1036 unsigned short_count; 1037 unsigned free_dwords; 1038 1039 CS_LOCALS(r300); 1040 DBG(r300, DBG_DRAW, "r300: render_draw_elements (count: %d)\n", count); 1041 1042 if (r300->draw_first_emitted) { 1043 if (!r300_prepare_for_rendering(r300, 1044 PREP_EMIT_STATES | PREP_EMIT_VARRAYS_SWTCL | PREP_INDEXED, 1045 NULL, 256, 0, 0, -1)) 1046 return; 1047 } else { 1048 if (!r300_emit_states(r300, 1049 PREP_EMIT_STATES | PREP_EMIT_VARRAYS_SWTCL | PREP_INDEXED, 1050 NULL, 0, 0, -1)) 1051 return; 1052 } 1053 1054 /* Below we manage the CS space manually because there may be more 1055 * indices than it can fit in CS. */ 1056 1057 end_cs_dwords = r300_get_num_cs_end_dwords(r300); 1058 1059 while (count) { 1060 free_dwords = RADEON_MAX_CMDBUF_DWORDS - r300->cs->cdw; 1061 1062 short_count = MIN2(count, (free_dwords - end_cs_dwords - 6) * 2); 1063 1064 BEGIN_CS(6 + (short_count+1)/2); 1065 OUT_CS_REG(R300_GA_COLOR_CONTROL, 1066 r300_provoking_vertex_fixes(r300, r300render->prim)); 1067 OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, max_index); 1068 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, (short_count+1)/2); 1069 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (short_count << 16) | 1070 r300render->hwprim); 1071 for (i = 0; i < short_count-1; i += 2) { 1072 OUT_CS(indices[i+1] << 16 | indices[i]); 1073 } 1074 if (short_count % 2) { 1075 OUT_CS(indices[short_count-1]); 1076 } 1077 END_CS; 1078 1079 /* OK now subtract the emitted indices and see if we need to emit 1080 * another draw packet. */ 1081 indices += short_count; 1082 count -= short_count; 1083 1084 if (count) { 1085 if (!r300_prepare_for_rendering(r300, 1086 PREP_EMIT_VARRAYS_SWTCL | PREP_INDEXED, 1087 NULL, 256, 0, 0, -1)) 1088 return; 1089 1090 end_cs_dwords = r300_get_num_cs_end_dwords(r300); 1091 } 1092 } 1093 1094 r300->draw_first_emitted = TRUE; 1095} 1096 1097static void r300_render_destroy(struct vbuf_render* render) 1098{ 1099 FREE(render); 1100} 1101 1102static struct vbuf_render* r300_render_create(struct r300_context* r300) 1103{ 1104 struct r300_render* r300render = CALLOC_STRUCT(r300_render); 1105 1106 r300render->r300 = r300; 1107 1108 r300render->base.max_vertex_buffer_bytes = 1024 * 1024; 1109 r300render->base.max_indices = 16 * 1024; 1110 1111 r300render->base.get_vertex_info = r300_render_get_vertex_info; 1112 r300render->base.allocate_vertices = r300_render_allocate_vertices; 1113 r300render->base.map_vertices = r300_render_map_vertices; 1114 r300render->base.unmap_vertices = r300_render_unmap_vertices; 1115 r300render->base.set_primitive = r300_render_set_primitive; 1116 r300render->base.draw_elements = r300_render_draw_elements; 1117 r300render->base.draw_arrays = r300_render_draw_arrays; 1118 r300render->base.release_vertices = r300_render_release_vertices; 1119 r300render->base.destroy = r300_render_destroy; 1120 1121 return &r300render->base; 1122} 1123 1124struct draw_stage* r300_draw_stage(struct r300_context* r300) 1125{ 1126 struct vbuf_render* render; 1127 struct draw_stage* stage; 1128 1129 render = r300_render_create(r300); 1130 1131 if (!render) { 1132 return NULL; 1133 } 1134 1135 stage = draw_vbuf_stage(r300->draw, render); 1136 1137 if (!stage) { 1138 render->destroy(render); 1139 return NULL; 1140 } 1141 1142 draw_set_render(r300->draw, render); 1143 1144 return stage; 1145} 1146 1147void r300_draw_flush_vbuf(struct r300_context *r300) 1148{ 1149 pipe_resource_reference(&r300->vbo, NULL); 1150 r300->draw_vbo_size = 0; 1151} 1152 1153/**************************************************************************** 1154 * End of SW TCL functions * 1155 ***************************************************************************/ 1156 1157/* This functions is used to draw a rectangle for the blitter module. 1158 * 1159 * If we rendered a quad, the pixels on the main diagonal 1160 * would be computed and stored twice, which makes the clear/copy codepaths 1161 * somewhat inefficient. Instead we use a rectangular point sprite. */ 1162static void r300_blitter_draw_rectangle(struct blitter_context *blitter, 1163 unsigned x1, unsigned y1, 1164 unsigned x2, unsigned y2, 1165 float depth, 1166 enum blitter_attrib_type type, 1167 const union pipe_color_union *attrib) 1168{ 1169 struct r300_context *r300 = r300_context(util_blitter_get_pipe(blitter)); 1170 unsigned last_sprite_coord_enable = r300->sprite_coord_enable; 1171 unsigned width = x2 - x1; 1172 unsigned height = y2 - y1; 1173 unsigned vertex_size = 1174 type == UTIL_BLITTER_ATTRIB_COLOR || !r300->draw ? 8 : 4; 1175 unsigned dwords = 13 + vertex_size + 1176 (type == UTIL_BLITTER_ATTRIB_TEXCOORD ? 7 : 0); 1177 static const union pipe_color_union zeros; 1178 CS_LOCALS(r300); 1179 1180 if (r300->skip_rendering) 1181 return; 1182 1183 r300->context.set_vertex_buffers(&r300->context, 0, NULL); 1184 1185 if (type == UTIL_BLITTER_ATTRIB_TEXCOORD) 1186 r300->sprite_coord_enable = 1; 1187 1188 r300_update_derived_state(r300); 1189 1190 /* Mark some states we don't care about as non-dirty. */ 1191 r300->clip_state.dirty = FALSE; 1192 r300->viewport_state.dirty = FALSE; 1193 1194 if (!r300_prepare_for_rendering(r300, PREP_EMIT_STATES, NULL, dwords, 0, 0, -1)) 1195 goto done; 1196 1197 DBG(r300, DBG_DRAW, "r300: draw_rectangle\n"); 1198 1199 BEGIN_CS(dwords); 1200 /* Set up GA. */ 1201 OUT_CS_REG(R300_GA_POINT_SIZE, (height * 6) | ((width * 6) << 16)); 1202 1203 if (type == UTIL_BLITTER_ATTRIB_TEXCOORD) { 1204 /* Set up the GA to generate texcoords. */ 1205 OUT_CS_REG(R300_GB_ENABLE, R300_GB_POINT_STUFF_ENABLE | 1206 (R300_GB_TEX_STR << R300_GB_TEX0_SOURCE_SHIFT)); 1207 OUT_CS_REG_SEQ(R300_GA_POINT_S0, 4); 1208 OUT_CS_32F(attrib->f[0]); 1209 OUT_CS_32F(attrib->f[3]); 1210 OUT_CS_32F(attrib->f[2]); 1211 OUT_CS_32F(attrib->f[1]); 1212 } 1213 1214 /* Set up VAP controls. */ 1215 OUT_CS_REG(R300_VAP_CLIP_CNTL, R300_CLIP_DISABLE); 1216 OUT_CS_REG(R300_VAP_VTE_CNTL, R300_VTX_XY_FMT | R300_VTX_Z_FMT); 1217 OUT_CS_REG(R300_VAP_VTX_SIZE, vertex_size); 1218 OUT_CS_REG_SEQ(R300_VAP_VF_MAX_VTX_INDX, 2); 1219 OUT_CS(1); 1220 OUT_CS(0); 1221 1222 /* Draw. */ 1223 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_IMMD_2, vertex_size); 1224 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_EMBEDDED | (1 << 16) | 1225 R300_VAP_VF_CNTL__PRIM_POINTS); 1226 1227 OUT_CS_32F(x1 + width * 0.5f); 1228 OUT_CS_32F(y1 + height * 0.5f); 1229 OUT_CS_32F(depth); 1230 OUT_CS_32F(1); 1231 1232 if (vertex_size == 8) { 1233 if (!attrib) 1234 attrib = &zeros; 1235 OUT_CS_TABLE(attrib->f, 4); 1236 } 1237 END_CS; 1238 1239done: 1240 /* Restore the state. */ 1241 r300_mark_atom_dirty(r300, &r300->clip_state); 1242 r300_mark_atom_dirty(r300, &r300->rs_state); 1243 r300_mark_atom_dirty(r300, &r300->viewport_state); 1244 1245 r300->sprite_coord_enable = last_sprite_coord_enable; 1246} 1247 1248static void r300_resource_resolve(struct pipe_context *pipe, 1249 const struct pipe_resolve_info *info) 1250{ 1251 struct r300_context *r300 = r300_context(pipe); 1252 struct pipe_surface *srcsurf, *dstsurf, surf_tmpl; 1253 struct r300_aa_state *aa = (struct r300_aa_state*)r300->aa_state.state; 1254 static const union pipe_color_union color; 1255 1256 memset(&surf_tmpl, 0, sizeof(surf_tmpl)); 1257 surf_tmpl.format = info->src.res->format; 1258 surf_tmpl.u.tex.first_layer = 1259 surf_tmpl.u.tex.last_layer = info->src.layer; 1260 srcsurf = pipe->create_surface(pipe, info->src.res, &surf_tmpl); 1261 /* XXX Offset both surfaces by x0,y1. */ 1262 1263 surf_tmpl.format = info->dst.res->format; 1264 surf_tmpl.u.tex.level = info->dst.level; 1265 surf_tmpl.u.tex.first_layer = 1266 surf_tmpl.u.tex.last_layer = info->dst.layer; 1267 dstsurf = pipe->create_surface(pipe, info->dst.res, &surf_tmpl); 1268 1269 DBG(r300, DBG_DRAW, "r300: Resolving resource...\n"); 1270 1271 /* Enable AA resolve. */ 1272 aa->dest = r300_surface(dstsurf); 1273 aa->aaresolve_ctl = 1274 R300_RB3D_AARESOLVE_CTL_AARESOLVE_MODE_RESOLVE | 1275 R300_RB3D_AARESOLVE_CTL_AARESOLVE_ALPHA_AVERAGE; 1276 r300->aa_state.size = 10; 1277 r300_mark_atom_dirty(r300, &r300->aa_state); 1278 1279 /* Resolve the surface. */ 1280 /* XXX: y1 < 0 ==> Y flip */ 1281 r300->context.clear_render_target(pipe, 1282 srcsurf, &color, 0, 0, 1283 info->dst.x1 - info->dst.x0, 1284 info->dst.y1 - info->dst.y0); 1285 1286 /* Disable AA resolve. */ 1287 aa->aaresolve_ctl = 0; 1288 r300->aa_state.size = 4; 1289 r300_mark_atom_dirty(r300, &r300->aa_state); 1290 1291 pipe_surface_reference(&srcsurf, NULL); 1292 pipe_surface_reference(&dstsurf, NULL); 1293} 1294 1295void r300_init_render_functions(struct r300_context *r300) 1296{ 1297 /* Set draw functions based on presence of HW TCL. */ 1298 if (r300->screen->caps.has_tcl) { 1299 r300->context.draw_vbo = r300_draw_vbo; 1300 } else { 1301 r300->context.draw_vbo = r300_swtcl_draw_vbo; 1302 } 1303 1304 r300->context.resource_resolve = r300_resource_resolve; 1305 r300->blitter->draw_rectangle = r300_blitter_draw_rectangle; 1306 1307 /* Plug in the two-sided stencil reference value fallback if needed. */ 1308 if (!r300->screen->caps.is_r500) 1309 r300_plug_in_stencil_ref_fallback(r300); 1310} 1311