r300_render.c revision 5a6ba08c21f24b14458a2084a170ddfbe8f5d793
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} 129 130/* This function splits the index bias value into two parts: 131 * - buffer_offset: the value that can be safely added to buffer offsets 132 * in r300_emit_vertex_arrays (it must yield a positive offset when added to 133 * a vertex buffer offset) 134 * - index_offset: the value that must be manually subtracted from indices 135 * in an index buffer to achieve negative offsets. */ 136static void r300_split_index_bias(struct r300_context *r300, int index_bias, 137 int *buffer_offset, int *index_offset) 138{ 139 struct pipe_vertex_buffer *vb, *vbufs = r300->vbuf_mgr->vertex_buffer; 140 struct pipe_vertex_element *velem = r300->velems->velem; 141 unsigned i, size; 142 int max_neg_bias; 143 144 if (index_bias < 0) { 145 /* See how large index bias we may subtract. We must be careful 146 * here because negative buffer offsets are not allowed 147 * by the DRM API. */ 148 max_neg_bias = INT_MAX; 149 for (i = 0; i < r300->velems->count; i++) { 150 vb = &vbufs[velem[i].vertex_buffer_index]; 151 size = (vb->buffer_offset + velem[i].src_offset) / vb->stride; 152 max_neg_bias = MIN2(max_neg_bias, size); 153 } 154 155 /* Now set the minimum allowed value. */ 156 *buffer_offset = MAX2(-max_neg_bias, index_bias); 157 } else { 158 /* A positive index bias is OK. */ 159 *buffer_offset = index_bias; 160 } 161 162 *index_offset = index_bias - *buffer_offset; 163} 164 165enum r300_prepare_flags { 166 PREP_FIRST_DRAW = (1 << 0), /* call emit_dirty_state and friends? */ 167 PREP_VALIDATE_VBOS = (1 << 1), /* validate VBOs? */ 168 PREP_EMIT_AOS = (1 << 2), /* call emit_vertex_arrays? */ 169 PREP_EMIT_AOS_SWTCL = (1 << 3), /* call emit_vertex_arrays_swtcl? */ 170 PREP_INDEXED = (1 << 4) /* is this draw_elements? */ 171}; 172 173/** 174 * Check if the requested number of dwords is available in the CS and 175 * if not, flush. 176 * \param r300 The context. 177 * \param flags See r300_prepare_flags. 178 * \param cs_dwords The number of dwords to reserve in CS. 179 * \return TRUE if the CS was flushed 180 */ 181static boolean r300_reserve_cs_dwords(struct r300_context *r300, 182 enum r300_prepare_flags flags, 183 unsigned cs_dwords) 184{ 185 boolean flushed = FALSE; 186 boolean first_draw = flags & PREP_FIRST_DRAW; 187 boolean emit_vertex_arrays = flags & PREP_EMIT_AOS; 188 boolean emit_vertex_arrays_swtcl = flags & PREP_EMIT_AOS_SWTCL; 189 190 /* Add dirty state, index offset, and AOS. */ 191 if (first_draw) { 192 cs_dwords += r300_get_num_dirty_dwords(r300); 193 194 if (r300->screen->caps.index_bias_supported) 195 cs_dwords += 2; /* emit_index_offset */ 196 197 if (emit_vertex_arrays) 198 cs_dwords += 55; /* emit_vertex_arrays */ 199 200 if (emit_vertex_arrays_swtcl) 201 cs_dwords += 7; /* emit_vertex_arrays_swtcl */ 202 } 203 204 cs_dwords += r300_get_num_cs_end_dwords(r300); 205 206 /* Reserve requested CS space. */ 207 if (cs_dwords > (R300_MAX_CMDBUF_DWORDS - r300->cs->cdw)) { 208 r300->context.flush(&r300->context, 0, NULL); 209 flushed = TRUE; 210 } 211 212 return flushed; 213} 214 215/** 216 * Validate buffers and emit dirty state. 217 * \param r300 The context. 218 * \param flags See r300_prepare_flags. 219 * \param index_buffer The index buffer to validate. The parameter may be NULL. 220 * \param buffer_offset The offset passed to emit_vertex_arrays. 221 * \param index_bias The index bias to emit. 222 * \return TRUE if rendering should be skipped 223 */ 224static boolean r300_emit_states(struct r300_context *r300, 225 enum r300_prepare_flags flags, 226 struct pipe_resource *index_buffer, 227 int buffer_offset, 228 int index_bias, 229 boolean user_buffers) 230{ 231 boolean first_draw = flags & PREP_FIRST_DRAW; 232 boolean emit_vertex_arrays = flags & PREP_EMIT_AOS; 233 boolean emit_vertex_arrays_swtcl = flags & PREP_EMIT_AOS_SWTCL; 234 boolean indexed = flags & PREP_INDEXED; 235 boolean validate_vbos = flags & PREP_VALIDATE_VBOS; 236 237 /* Validate buffers and emit dirty state if needed. */ 238 if (first_draw) { 239 if (r300->validate_buffers) { 240 if (!r300_emit_buffer_validate(r300, validate_vbos, 241 index_buffer)) { 242 fprintf(stderr, "r300: CS space validation failed. " 243 "(not enough memory?) Skipping rendering.\n"); 244 return FALSE; 245 } 246 247 /* Consider the validation done only if everything was validated. */ 248 if (validate_vbos) { 249 r300->validate_buffers = FALSE; 250 if (user_buffers) 251 r300->upload_vb_validated = TRUE; 252 if (r300->index_buffer.buffer && 253 r300_resource(r300->index_buffer.buffer)->b.user_ptr) { 254 r300->upload_ib_validated = TRUE; 255 } 256 } 257 } 258 259 r300_emit_dirty_state(r300); 260 if (r300->screen->caps.index_bias_supported) { 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 boolean user_buffers) 303{ 304 if (r300_reserve_cs_dwords(r300, flags, cs_dwords)) 305 flags |= PREP_FIRST_DRAW; 306 307 return r300_emit_states(r300, flags, index_buffer, buffer_offset, 308 index_bias, user_buffers); 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_emit_draw_arrays_immediate(struct r300_context *r300, 356 unsigned mode, 357 unsigned start, 358 unsigned count) 359{ 360 struct pipe_vertex_element* velem; 361 struct pipe_vertex_buffer* vbuf; 362 unsigned vertex_element_count = r300->velems->count; 363 unsigned i, v, vbi; 364 365 /* Size of the vertex, in dwords. */ 366 unsigned vertex_size = r300->velems->vertex_size_dwords; 367 368 /* The number of dwords for this draw operation. */ 369 unsigned dwords = 9 + count * vertex_size; 370 371 /* Size of the vertex element, in dwords. */ 372 unsigned size[PIPE_MAX_ATTRIBS]; 373 374 /* Stride to the same attrib in the next vertex in the vertex buffer, 375 * in dwords. */ 376 unsigned stride[PIPE_MAX_ATTRIBS]; 377 378 /* Mapped vertex buffers. */ 379 uint32_t* map[PIPE_MAX_ATTRIBS]; 380 uint32_t* mapelem[PIPE_MAX_ATTRIBS]; 381 struct pipe_transfer* transfer[PIPE_MAX_ATTRIBS] = {0}; 382 383 CS_LOCALS(r300); 384 385 if (!r300_prepare_for_rendering(r300, PREP_FIRST_DRAW, NULL, dwords, 0, 0, 386 FALSE)) 387 return; 388 389 /* Calculate the vertex size, offsets, strides etc. and map the buffers. */ 390 for (i = 0; i < vertex_element_count; i++) { 391 velem = &r300->velems->velem[i]; 392 size[i] = r300->velems->format_size[i] / 4; 393 vbi = velem->vertex_buffer_index; 394 vbuf = &r300->vbuf_mgr->vertex_buffer[vbi]; 395 stride[i] = vbuf->stride / 4; 396 397 /* Map the buffer. */ 398 if (!transfer[vbi]) { 399 map[vbi] = (uint32_t*)pipe_buffer_map(&r300->context, 400 r300->vbuf_mgr->real_vertex_buffer[vbi], 401 PIPE_TRANSFER_READ | 402 PIPE_TRANSFER_UNSYNCHRONIZED, 403 &transfer[vbi]); 404 map[vbi] += (vbuf->buffer_offset / 4) + stride[i] * start; 405 } 406 mapelem[i] = map[vbi] + (velem->src_offset / 4); 407 } 408 409 BEGIN_CS(dwords); 410 OUT_CS_REG(R300_GA_COLOR_CONTROL, 411 r300_provoking_vertex_fixes(r300, mode)); 412 OUT_CS_REG(R300_VAP_VTX_SIZE, vertex_size); 413 OUT_CS_REG_SEQ(R300_VAP_VF_MAX_VTX_INDX, 2); 414 OUT_CS(count - 1); 415 OUT_CS(0); 416 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_IMMD_2, count * vertex_size); 417 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_EMBEDDED | (count << 16) | 418 r300_translate_primitive(mode)); 419 420 /* Emit vertices. */ 421 for (v = 0; v < count; v++) { 422 for (i = 0; i < vertex_element_count; i++) { 423 OUT_CS_TABLE(&mapelem[i][stride[i] * v], size[i]); 424 } 425 } 426 END_CS; 427 428 /* Unmap buffers. */ 429 for (i = 0; i < vertex_element_count; i++) { 430 vbi = r300->velems->velem[i].vertex_buffer_index; 431 432 if (transfer[vbi]) { 433 pipe_buffer_unmap(&r300->context, transfer[vbi]); 434 transfer[vbi] = NULL; 435 } 436 } 437} 438 439static void r300_emit_draw_arrays(struct r300_context *r300, 440 unsigned mode, 441 unsigned count) 442{ 443 boolean alt_num_verts = count > 65535; 444 CS_LOCALS(r300); 445 446 if (count >= (1 << 24)) { 447 fprintf(stderr, "r300: Got a huge number of vertices: %i, " 448 "refusing to render.\n", count); 449 return; 450 } 451 452 BEGIN_CS(7 + (alt_num_verts ? 2 : 0)); 453 if (alt_num_verts) { 454 OUT_CS_REG(R500_VAP_ALT_NUM_VERTICES, count); 455 } 456 OUT_CS_REG(R300_GA_COLOR_CONTROL, 457 r300_provoking_vertex_fixes(r300, mode)); 458 OUT_CS_REG_SEQ(R300_VAP_VF_MAX_VTX_INDX, 2); 459 OUT_CS(count - 1); 460 OUT_CS(0); 461 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_VBUF_2, 0); 462 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_LIST | (count << 16) | 463 r300_translate_primitive(mode) | 464 (alt_num_verts ? R500_VAP_VF_CNTL__USE_ALT_NUM_VERTS : 0)); 465 END_CS; 466} 467 468static void r300_emit_draw_elements(struct r300_context *r300, 469 struct pipe_resource* indexBuffer, 470 unsigned indexSize, 471 unsigned minIndex, 472 unsigned maxIndex, 473 unsigned mode, 474 unsigned start, 475 unsigned count, 476 uint16_t *imm_indices3) 477{ 478 uint32_t count_dwords, offset_dwords; 479 boolean alt_num_verts = count > 65535; 480 CS_LOCALS(r300); 481 482 if (count >= (1 << 24)) { 483 fprintf(stderr, "r300: Got a huge number of vertices: %i, " 484 "refusing to render.\n", count); 485 return; 486 } 487 488 DBG(r300, DBG_DRAW, "r300: Indexbuf of %u indices, min %u max %u\n", 489 count, minIndex, maxIndex); 490 491 BEGIN_CS(5); 492 OUT_CS_REG(R300_GA_COLOR_CONTROL, 493 r300_provoking_vertex_fixes(r300, mode)); 494 OUT_CS_REG_SEQ(R300_VAP_VF_MAX_VTX_INDX, 2); 495 OUT_CS(maxIndex); 496 OUT_CS(minIndex); 497 END_CS; 498 499 /* If start is odd, render the first triangle with indices embedded 500 * in the command stream. This will increase start by 3 and make it 501 * even. We can then proceed without a fallback. */ 502 if (indexSize == 2 && (start & 1) && 503 mode == PIPE_PRIM_TRIANGLES) { 504 BEGIN_CS(4); 505 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, 2); 506 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (3 << 16) | 507 R300_VAP_VF_CNTL__PRIM_TRIANGLES); 508 OUT_CS(imm_indices3[1] << 16 | imm_indices3[0]); 509 OUT_CS(imm_indices3[2]); 510 END_CS; 511 512 start += 3; 513 count -= 3; 514 if (!count) 515 return; 516 } 517 518 offset_dwords = indexSize * start / sizeof(uint32_t); 519 520 BEGIN_CS(8 + (alt_num_verts ? 2 : 0)); 521 if (alt_num_verts) { 522 OUT_CS_REG(R500_VAP_ALT_NUM_VERTICES, count); 523 } 524 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, 0); 525 if (indexSize == 4) { 526 count_dwords = count; 527 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) | 528 R300_VAP_VF_CNTL__INDEX_SIZE_32bit | 529 r300_translate_primitive(mode) | 530 (alt_num_verts ? R500_VAP_VF_CNTL__USE_ALT_NUM_VERTS : 0)); 531 } else { 532 count_dwords = (count + 1) / 2; 533 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) | 534 r300_translate_primitive(mode) | 535 (alt_num_verts ? R500_VAP_VF_CNTL__USE_ALT_NUM_VERTS : 0)); 536 } 537 538 OUT_CS_PKT3(R300_PACKET3_INDX_BUFFER, 2); 539 OUT_CS(R300_INDX_BUFFER_ONE_REG_WR | (R300_VAP_PORT_IDX0 >> 2) | 540 (0 << R300_INDX_BUFFER_SKIP_SHIFT)); 541 OUT_CS(offset_dwords << 2); 542 OUT_CS(count_dwords); 543 OUT_CS_RELOC(r300_resource(indexBuffer)); 544 END_CS; 545} 546 547/* This is the fast-path drawing & emission for HW TCL. */ 548static void r300_draw_range_elements(struct pipe_context* pipe, 549 int indexBias, 550 unsigned minIndex, 551 unsigned maxIndex, 552 unsigned mode, 553 unsigned start, 554 unsigned count, 555 boolean user_buffers) 556{ 557 struct r300_context* r300 = r300_context(pipe); 558 struct pipe_resource *indexBuffer = r300->index_buffer.buffer; 559 unsigned indexSize = r300->index_buffer.index_size; 560 struct pipe_resource* orgIndexBuffer = indexBuffer; 561 boolean alt_num_verts = r300->screen->caps.is_r500 && 562 count > 65536 && 563 r300->rws->get_value(r300->rws, R300_VID_DRM_2_3_0); 564 unsigned short_count; 565 int buffer_offset = 0, index_offset = 0; /* for index bias emulation */ 566 uint16_t indices3[3]; 567 568 if (indexBias && !r300->screen->caps.index_bias_supported) { 569 r300_split_index_bias(r300, indexBias, &buffer_offset, &index_offset); 570 } 571 572 r300_translate_index_buffer(r300, &indexBuffer, &indexSize, index_offset, 573 &start, count); 574 575 /* Fallback for misaligned ushort indices. */ 576 if (indexSize == 2 && (start & 1) && 577 !r300_resource(indexBuffer)->b.user_ptr) { 578 struct pipe_transfer *transfer; 579 struct pipe_resource *userbuf; 580 581 uint16_t *ptr = pipe_buffer_map(pipe, indexBuffer, 582 PIPE_TRANSFER_READ | 583 PIPE_TRANSFER_UNSYNCHRONIZED, 584 &transfer); 585 586 if (mode == PIPE_PRIM_TRIANGLES) { 587 memcpy(indices3, ptr + start, 6); 588 } else { 589 /* Copy the mapped index buffer directly to the upload buffer. 590 * The start index will be aligned simply from the fact that 591 * every sub-buffer in u_upload_mgr is aligned. */ 592 userbuf = pipe->screen->user_buffer_create(pipe->screen, 593 ptr, 0, 594 PIPE_BIND_INDEX_BUFFER); 595 indexBuffer = userbuf; 596 r300_upload_index_buffer(r300, &indexBuffer, indexSize, &start, count); 597 pipe_resource_reference(&userbuf, NULL); 598 } 599 pipe_buffer_unmap(pipe, transfer); 600 } else { 601 if (r300_resource(indexBuffer)->b.user_ptr) 602 r300_upload_index_buffer(r300, &indexBuffer, indexSize, &start, count); 603 } 604 605 /* 19 dwords for emit_draw_elements. Give up if the function fails. */ 606 if (!r300_prepare_for_rendering(r300, 607 PREP_FIRST_DRAW | PREP_VALIDATE_VBOS | PREP_EMIT_AOS | 608 PREP_INDEXED, indexBuffer, 19, buffer_offset, indexBias, user_buffers)) 609 goto done; 610 611 if (alt_num_verts || count <= 65535) { 612 r300_emit_draw_elements(r300, indexBuffer, indexSize, 613 minIndex, maxIndex, mode, start, count, indices3); 614 } else { 615 do { 616 short_count = MIN2(count, 65534); 617 r300_emit_draw_elements(r300, indexBuffer, indexSize, 618 minIndex, maxIndex, 619 mode, start, short_count, indices3); 620 621 start += short_count; 622 count -= short_count; 623 624 /* 15 dwords for emit_draw_elements */ 625 if (count) { 626 if (!r300_prepare_for_rendering(r300, 627 PREP_VALIDATE_VBOS | PREP_EMIT_AOS | PREP_INDEXED, 628 indexBuffer, 19, buffer_offset, indexBias, user_buffers)) 629 goto done; 630 } 631 } while (count); 632 } 633 634done: 635 if (indexBuffer != orgIndexBuffer) { 636 pipe_resource_reference( &indexBuffer, NULL ); 637 } 638} 639 640static void r300_draw_arrays(struct pipe_context* pipe, unsigned mode, 641 unsigned start, unsigned count, 642 boolean user_buffers) 643{ 644 struct r300_context* r300 = r300_context(pipe); 645 boolean alt_num_verts = r300->screen->caps.is_r500 && 646 count > 65536 && 647 r300->rws->get_value(r300->rws, R300_VID_DRM_2_3_0); 648 unsigned short_count; 649 650 if (immd_is_good_idea(r300, count)) { 651 r300_emit_draw_arrays_immediate(r300, mode, start, count); 652 } else { 653 /* 9 spare dwords for emit_draw_arrays. Give up if the function fails. */ 654 if (!r300_prepare_for_rendering(r300, 655 PREP_FIRST_DRAW | PREP_VALIDATE_VBOS | PREP_EMIT_AOS, 656 NULL, 9, start, 0, user_buffers)) 657 return; 658 659 if (alt_num_verts || count <= 65535) { 660 r300_emit_draw_arrays(r300, mode, count); 661 } else { 662 do { 663 short_count = MIN2(count, 65535); 664 r300_emit_draw_arrays(r300, mode, short_count); 665 666 start += short_count; 667 count -= short_count; 668 669 /* 9 spare dwords for emit_draw_arrays. Give up if the function fails. */ 670 if (count) { 671 if (!r300_prepare_for_rendering(r300, 672 PREP_VALIDATE_VBOS | PREP_EMIT_AOS, NULL, 9, 673 start, 0, user_buffers)) 674 return; 675 } 676 } while (count); 677 } 678 } 679} 680 681static void r300_draw_vbo(struct pipe_context* pipe, 682 const struct pipe_draw_info *info) 683{ 684 struct r300_context* r300 = r300_context(pipe); 685 unsigned count = info->count; 686 boolean buffers_updated, uploader_flushed; 687 boolean indexed = info->indexed && r300->index_buffer.buffer; 688 689 if (r300->skip_rendering) { 690 return; 691 } 692 693 if (!u_trim_pipe_prim(info->mode, &count)) { 694 return; 695 } 696 697 u_vbuf_mgr_draw_begin(r300->vbuf_mgr, info, 698 &buffers_updated, &uploader_flushed); 699 700 if (buffers_updated) { 701 r300->vertex_arrays_dirty = TRUE; 702 703 if (uploader_flushed || !r300->upload_vb_validated) { 704 r300->upload_vb_validated = FALSE; 705 r300->validate_buffers = TRUE; 706 } 707 } else { 708 r300->upload_vb_validated = FALSE; 709 } 710 711 if (indexed) { 712 /* Compute the start for draw_elements, taking the offset into account. */ 713 unsigned start_indexed = 714 info->start + 715 (r300->index_buffer.offset / r300->index_buffer.index_size); 716 int max_index = MIN2(r300->vbuf_mgr->max_index, info->max_index); 717 718 assert(r300->index_buffer.offset % r300->index_buffer.index_size == 0); 719 720 /* Index buffer range checking. */ 721 if ((start_indexed + count) * r300->index_buffer.index_size > 722 r300->index_buffer.buffer->width0) { 723 fprintf(stderr, "r300: Invalid index buffer range. Skipping rendering.\n"); 724 return; 725 } 726 727 if (max_index >= (1 << 24) - 1) { 728 fprintf(stderr, "r300: Invalid max_index: %i. Skipping rendering...\n", max_index); 729 return; 730 } 731 732 r300_update_derived_state(r300); 733 r300_draw_range_elements(pipe, info->index_bias, info->min_index, 734 max_index, info->mode, start_indexed, count, 735 buffers_updated); 736 } else { 737 r300_update_derived_state(r300); 738 r300_draw_arrays(pipe, info->mode, info->start, count, buffers_updated); 739 } 740 741 u_vbuf_mgr_draw_end(r300->vbuf_mgr); 742} 743 744/**************************************************************************** 745 * The rest of this file is for SW TCL rendering only. Please be polite and * 746 * keep these functions separated so that they are easier to locate. ~C. * 747 ***************************************************************************/ 748 749/* SW TCL elements, using Draw. */ 750static void r300_swtcl_draw_vbo(struct pipe_context* pipe, 751 const struct pipe_draw_info *info) 752{ 753 struct r300_context* r300 = r300_context(pipe); 754 struct pipe_transfer *vb_transfer[PIPE_MAX_ATTRIBS]; 755 struct pipe_transfer *ib_transfer = NULL; 756 unsigned count = info->count; 757 int i; 758 void *indices = NULL; 759 boolean indexed = info->indexed && r300->index_buffer.buffer; 760 761 if (r300->skip_rendering) { 762 return; 763 } 764 765 if (!u_trim_pipe_prim(info->mode, &count)) { 766 return; 767 } 768 769 r300_update_derived_state(r300); 770 771 r300_reserve_cs_dwords(r300, 772 PREP_FIRST_DRAW | PREP_EMIT_AOS_SWTCL | 773 (indexed ? PREP_INDEXED : 0), 774 indexed ? 256 : 6); 775 776 for (i = 0; i < r300->vbuf_mgr->nr_vertex_buffers; i++) { 777 if (r300->vbuf_mgr->vertex_buffer[i].buffer) { 778 void *buf = pipe_buffer_map(pipe, 779 r300->vbuf_mgr->vertex_buffer[i].buffer, 780 PIPE_TRANSFER_READ | 781 PIPE_TRANSFER_UNSYNCHRONIZED, 782 &vb_transfer[i]); 783 draw_set_mapped_vertex_buffer(r300->draw, i, buf); 784 } 785 } 786 787 if (indexed) { 788 indices = pipe_buffer_map(pipe, r300->index_buffer.buffer, 789 PIPE_TRANSFER_READ | 790 PIPE_TRANSFER_UNSYNCHRONIZED, &ib_transfer); 791 } 792 793 draw_set_mapped_index_buffer(r300->draw, indices); 794 795 r300->draw_vbo_locked = TRUE; 796 r300->draw_first_emitted = FALSE; 797 draw_vbo(r300->draw, info); 798 draw_flush(r300->draw); 799 r300->draw_vbo_locked = FALSE; 800 801 for (i = 0; i < r300->vbuf_mgr->nr_vertex_buffers; i++) { 802 if (r300->vbuf_mgr->vertex_buffer[i].buffer) { 803 pipe_buffer_unmap(pipe, vb_transfer[i]); 804 draw_set_mapped_vertex_buffer(r300->draw, i, NULL); 805 } 806 } 807 808 if (indexed) { 809 pipe_buffer_unmap(pipe, ib_transfer); 810 draw_set_mapped_index_buffer(r300->draw, NULL); 811 } 812} 813 814/* Object for rendering using Draw. */ 815struct r300_render { 816 /* Parent class */ 817 struct vbuf_render base; 818 819 /* Pipe context */ 820 struct r300_context* r300; 821 822 /* Vertex information */ 823 size_t vertex_size; 824 unsigned prim; 825 unsigned hwprim; 826 827 /* VBO */ 828 size_t vbo_max_used; 829 void * vbo_ptr; 830 831 struct pipe_transfer *vbo_transfer; 832}; 833 834static INLINE struct r300_render* 835r300_render(struct vbuf_render* render) 836{ 837 return (struct r300_render*)render; 838} 839 840static const struct vertex_info* 841r300_render_get_vertex_info(struct vbuf_render* render) 842{ 843 struct r300_render* r300render = r300_render(render); 844 struct r300_context* r300 = r300render->r300; 845 846 return &r300->vertex_info; 847} 848 849static boolean r300_render_allocate_vertices(struct vbuf_render* render, 850 ushort vertex_size, 851 ushort count) 852{ 853 struct r300_render* r300render = r300_render(render); 854 struct r300_context* r300 = r300render->r300; 855 struct pipe_screen* screen = r300->context.screen; 856 size_t size = (size_t)vertex_size * (size_t)count; 857 858 DBG(r300, DBG_DRAW, "r300: render_allocate_vertices (size: %d)\n", size); 859 860 if (size + r300->draw_vbo_offset > r300->draw_vbo_size) 861 { 862 pipe_resource_reference(&r300->vbo, NULL); 863 r300->vbo = pipe_buffer_create(screen, 864 PIPE_BIND_VERTEX_BUFFER, 865 R300_MAX_DRAW_VBO_SIZE); 866 r300->draw_vbo_offset = 0; 867 r300->draw_vbo_size = R300_MAX_DRAW_VBO_SIZE; 868 r300->validate_buffers = TRUE; 869 } 870 871 r300render->vertex_size = vertex_size; 872 873 return (r300->vbo) ? TRUE : FALSE; 874} 875 876static void* r300_render_map_vertices(struct vbuf_render* render) 877{ 878 struct r300_render* r300render = r300_render(render); 879 struct r300_context* r300 = r300render->r300; 880 881 assert(!r300render->vbo_transfer); 882 883 DBG(r300, DBG_DRAW, "r300: render_map_vertices\n"); 884 885 r300render->vbo_ptr = pipe_buffer_map(&r300render->r300->context, 886 r300->vbo, 887 PIPE_TRANSFER_WRITE | 888 PIPE_TRANSFER_UNSYNCHRONIZED, 889 &r300render->vbo_transfer); 890 891 assert(r300render->vbo_ptr); 892 893 return ((uint8_t*)r300render->vbo_ptr + r300->draw_vbo_offset); 894} 895 896static void r300_render_unmap_vertices(struct vbuf_render* render, 897 ushort min, 898 ushort max) 899{ 900 struct r300_render* r300render = r300_render(render); 901 struct pipe_context* context = &r300render->r300->context; 902 struct r300_context* r300 = r300render->r300; 903 904 assert(r300render->vbo_transfer); 905 906 DBG(r300, DBG_DRAW, "r300: render_unmap_vertices\n"); 907 908 r300render->vbo_max_used = MAX2(r300render->vbo_max_used, 909 r300render->vertex_size * (max + 1)); 910 pipe_buffer_unmap(context, r300render->vbo_transfer); 911 912 r300render->vbo_transfer = NULL; 913} 914 915static void r300_render_release_vertices(struct vbuf_render* render) 916{ 917 struct r300_render* r300render = r300_render(render); 918 struct r300_context* r300 = r300render->r300; 919 920 DBG(r300, DBG_DRAW, "r300: render_release_vertices\n"); 921 922 r300->draw_vbo_offset += r300render->vbo_max_used; 923 r300render->vbo_max_used = 0; 924} 925 926static boolean r300_render_set_primitive(struct vbuf_render* render, 927 unsigned prim) 928{ 929 struct r300_render* r300render = r300_render(render); 930 931 r300render->prim = prim; 932 r300render->hwprim = r300_translate_primitive(prim); 933 934 return TRUE; 935} 936 937static void r300_render_draw_arrays(struct vbuf_render* render, 938 unsigned start, 939 unsigned count) 940{ 941 struct r300_render* r300render = r300_render(render); 942 struct r300_context* r300 = r300render->r300; 943 uint8_t* ptr; 944 unsigned i; 945 unsigned dwords = 6; 946 947 CS_LOCALS(r300); 948 (void) i; (void) ptr; 949 950 DBG(r300, DBG_DRAW, "r300: render_draw_arrays (count: %d)\n", count); 951 952 if (r300->draw_first_emitted) { 953 if (!r300_prepare_for_rendering(r300, 954 PREP_FIRST_DRAW | PREP_EMIT_AOS_SWTCL, 955 NULL, dwords, 0, 0, FALSE)) 956 return; 957 } else { 958 if (!r300_emit_states(r300, 959 PREP_FIRST_DRAW | PREP_EMIT_AOS_SWTCL, 960 NULL, 0, 0, FALSE)) 961 return; 962 } 963 964 BEGIN_CS(dwords); 965 OUT_CS_REG(R300_GA_COLOR_CONTROL, 966 r300_provoking_vertex_fixes(r300, r300render->prim)); 967 OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, count - 1); 968 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_VBUF_2, 0); 969 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_LIST | (count << 16) | 970 r300render->hwprim); 971 END_CS; 972 973 r300->draw_first_emitted = TRUE; 974} 975 976static void r300_render_draw_elements(struct vbuf_render* render, 977 const ushort* indices, 978 uint count) 979{ 980 struct r300_render* r300render = r300_render(render); 981 struct r300_context* r300 = r300render->r300; 982 int i; 983 unsigned end_cs_dwords; 984 unsigned max_index = (r300->draw_vbo_size - r300->draw_vbo_offset) / 985 (r300render->r300->vertex_info.size * 4) - 1; 986 unsigned short_count; 987 unsigned free_dwords; 988 989 CS_LOCALS(r300); 990 DBG(r300, DBG_DRAW, "r300: render_draw_elements (count: %d)\n", count); 991 992 if (r300->draw_first_emitted) { 993 if (!r300_prepare_for_rendering(r300, 994 PREP_FIRST_DRAW | PREP_EMIT_AOS_SWTCL | PREP_INDEXED, 995 NULL, 256, 0, 0, FALSE)) 996 return; 997 } else { 998 if (!r300_emit_states(r300, 999 PREP_FIRST_DRAW | PREP_EMIT_AOS_SWTCL | PREP_INDEXED, 1000 NULL, 0, 0, FALSE)) 1001 return; 1002 } 1003 1004 /* Below we manage the CS space manually because there may be more 1005 * indices than it can fit in CS. */ 1006 1007 end_cs_dwords = r300_get_num_cs_end_dwords(r300); 1008 1009 while (count) { 1010 free_dwords = R300_MAX_CMDBUF_DWORDS - r300->cs->cdw; 1011 1012 short_count = MIN2(count, (free_dwords - end_cs_dwords - 6) * 2); 1013 1014 BEGIN_CS(6 + (short_count+1)/2); 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, max_index); 1018 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, (short_count+1)/2); 1019 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (short_count << 16) | 1020 r300render->hwprim); 1021 for (i = 0; i < short_count-1; i += 2) { 1022 OUT_CS(indices[i+1] << 16 | indices[i]); 1023 } 1024 if (short_count % 2) { 1025 OUT_CS(indices[short_count-1]); 1026 } 1027 END_CS; 1028 1029 /* OK now subtract the emitted indices and see if we need to emit 1030 * another draw packet. */ 1031 indices += short_count; 1032 count -= short_count; 1033 1034 if (count) { 1035 if (!r300_prepare_for_rendering(r300, 1036 PREP_EMIT_AOS_SWTCL | PREP_INDEXED, 1037 NULL, 256, 0, 0, FALSE)) 1038 return; 1039 1040 end_cs_dwords = r300_get_num_cs_end_dwords(r300); 1041 } 1042 } 1043 1044 r300->draw_first_emitted = TRUE; 1045} 1046 1047static void r300_render_destroy(struct vbuf_render* render) 1048{ 1049 FREE(render); 1050} 1051 1052static struct vbuf_render* r300_render_create(struct r300_context* r300) 1053{ 1054 struct r300_render* r300render = CALLOC_STRUCT(r300_render); 1055 1056 r300render->r300 = r300; 1057 1058 r300render->base.max_vertex_buffer_bytes = 1024 * 1024; 1059 r300render->base.max_indices = 16 * 1024; 1060 1061 r300render->base.get_vertex_info = r300_render_get_vertex_info; 1062 r300render->base.allocate_vertices = r300_render_allocate_vertices; 1063 r300render->base.map_vertices = r300_render_map_vertices; 1064 r300render->base.unmap_vertices = r300_render_unmap_vertices; 1065 r300render->base.set_primitive = r300_render_set_primitive; 1066 r300render->base.draw_elements = r300_render_draw_elements; 1067 r300render->base.draw_arrays = r300_render_draw_arrays; 1068 r300render->base.release_vertices = r300_render_release_vertices; 1069 r300render->base.destroy = r300_render_destroy; 1070 1071 return &r300render->base; 1072} 1073 1074struct draw_stage* r300_draw_stage(struct r300_context* r300) 1075{ 1076 struct vbuf_render* render; 1077 struct draw_stage* stage; 1078 1079 render = r300_render_create(r300); 1080 1081 if (!render) { 1082 return NULL; 1083 } 1084 1085 stage = draw_vbuf_stage(r300->draw, render); 1086 1087 if (!stage) { 1088 render->destroy(render); 1089 return NULL; 1090 } 1091 1092 draw_set_render(r300->draw, render); 1093 1094 return stage; 1095} 1096 1097void r300_draw_flush_vbuf(struct r300_context *r300) 1098{ 1099 pipe_resource_reference(&r300->vbo, NULL); 1100 r300->draw_vbo_size = 0; 1101} 1102 1103/**************************************************************************** 1104 * End of SW TCL functions * 1105 ***************************************************************************/ 1106 1107/* This functions is used to draw a rectangle for the blitter module. 1108 * 1109 * If we rendered a quad, the pixels on the main diagonal 1110 * would be computed and stored twice, which makes the clear/copy codepaths 1111 * somewhat inefficient. Instead we use a rectangular point sprite. */ 1112static void r300_blitter_draw_rectangle(struct blitter_context *blitter, 1113 unsigned x1, unsigned y1, 1114 unsigned x2, unsigned y2, 1115 float depth, 1116 enum blitter_attrib_type type, 1117 const float attrib[4]) 1118{ 1119 struct r300_context *r300 = r300_context(util_blitter_get_pipe(blitter)); 1120 unsigned last_sprite_coord_enable = r300->sprite_coord_enable; 1121 unsigned width = x2 - x1; 1122 unsigned height = y2 - y1; 1123 unsigned vertex_size = 1124 type == UTIL_BLITTER_ATTRIB_COLOR || !r300->draw ? 8 : 4; 1125 unsigned dwords = 13 + vertex_size + 1126 (type == UTIL_BLITTER_ATTRIB_TEXCOORD ? 7 : 0); 1127 const float zeros[4] = {0, 0, 0, 0}; 1128 CS_LOCALS(r300); 1129 1130 r300->context.set_vertex_buffers(&r300->context, 0, NULL); 1131 1132 if (type == UTIL_BLITTER_ATTRIB_TEXCOORD) 1133 r300->sprite_coord_enable = 1; 1134 1135 r300_update_derived_state(r300); 1136 1137 /* Mark some states we don't care about as non-dirty. */ 1138 r300->clip_state.dirty = FALSE; 1139 r300->viewport_state.dirty = FALSE; 1140 1141 if (!r300_prepare_for_rendering(r300, PREP_FIRST_DRAW, NULL, dwords, 0, 0, 1142 FALSE)) 1143 goto done; 1144 1145 DBG(r300, DBG_DRAW, "r300: draw_rectangle\n"); 1146 1147 BEGIN_CS(dwords); 1148 /* Set up GA. */ 1149 OUT_CS_REG(R300_GA_POINT_SIZE, (height * 6) | ((width * 6) << 16)); 1150 1151 if (type == UTIL_BLITTER_ATTRIB_TEXCOORD) { 1152 /* Set up the GA to generate texcoords. */ 1153 OUT_CS_REG(R300_GB_ENABLE, R300_GB_POINT_STUFF_ENABLE | 1154 (R300_GB_TEX_STR << R300_GB_TEX0_SOURCE_SHIFT)); 1155 OUT_CS_REG_SEQ(R300_GA_POINT_S0, 4); 1156 OUT_CS_32F(attrib[0]); 1157 OUT_CS_32F(attrib[3]); 1158 OUT_CS_32F(attrib[2]); 1159 OUT_CS_32F(attrib[1]); 1160 } 1161 1162 /* Set up VAP controls. */ 1163 OUT_CS_REG(R300_VAP_CLIP_CNTL, R300_CLIP_DISABLE); 1164 OUT_CS_REG(R300_VAP_VTE_CNTL, R300_VTX_XY_FMT | R300_VTX_Z_FMT); 1165 OUT_CS_REG(R300_VAP_VTX_SIZE, vertex_size); 1166 OUT_CS_REG_SEQ(R300_VAP_VF_MAX_VTX_INDX, 2); 1167 OUT_CS(1); 1168 OUT_CS(0); 1169 1170 /* Draw. */ 1171 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_IMMD_2, vertex_size); 1172 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_EMBEDDED | (1 << 16) | 1173 R300_VAP_VF_CNTL__PRIM_POINTS); 1174 1175 OUT_CS_32F(x1 + width * 0.5f); 1176 OUT_CS_32F(y1 + height * 0.5f); 1177 OUT_CS_32F(depth); 1178 OUT_CS_32F(1); 1179 1180 if (vertex_size == 8) { 1181 if (!attrib) 1182 attrib = zeros; 1183 OUT_CS_TABLE(attrib, 4); 1184 } 1185 END_CS; 1186 1187done: 1188 /* Restore the state. */ 1189 r300_mark_atom_dirty(r300, &r300->clip_state); 1190 r300_mark_atom_dirty(r300, &r300->rs_state); 1191 r300_mark_atom_dirty(r300, &r300->viewport_state); 1192 1193 r300->sprite_coord_enable = last_sprite_coord_enable; 1194} 1195 1196static void r300_resource_resolve(struct pipe_context* pipe, 1197 struct pipe_resource* dest, 1198 unsigned dst_layer, 1199 struct pipe_resource* src, 1200 unsigned src_layer) 1201{ 1202 struct r300_context* r300 = r300_context(pipe); 1203 struct pipe_surface* srcsurf, surf_tmpl; 1204 struct r300_aa_state *aa = (struct r300_aa_state*)r300->aa_state.state; 1205 float color[] = {0, 0, 0, 0}; 1206 1207 memset(&surf_tmpl, 0, sizeof(surf_tmpl)); 1208 surf_tmpl.format = src->format; 1209 surf_tmpl.usage = 0; /* not really a surface hence no bind flags */ 1210 surf_tmpl.u.tex.level = 0; /* msaa resources cannot have mipmaps */ 1211 surf_tmpl.u.tex.first_layer = src_layer; 1212 surf_tmpl.u.tex.last_layer = src_layer; 1213 srcsurf = pipe->create_surface(pipe, src, &surf_tmpl); 1214 surf_tmpl.format = dest->format; 1215 surf_tmpl.u.tex.first_layer = dst_layer; 1216 surf_tmpl.u.tex.last_layer = dst_layer; 1217 1218 DBG(r300, DBG_DRAW, "r300: Resolving resource...\n"); 1219 1220 /* Enable AA resolve. */ 1221 aa->dest = r300_surface(pipe->create_surface(pipe, dest, &surf_tmpl)); 1222 1223 aa->aaresolve_ctl = 1224 R300_RB3D_AARESOLVE_CTL_AARESOLVE_MODE_RESOLVE | 1225 R300_RB3D_AARESOLVE_CTL_AARESOLVE_ALPHA_AVERAGE; 1226 r300->aa_state.size = 10; 1227 r300_mark_atom_dirty(r300, &r300->aa_state); 1228 1229 /* Resolve the surface. */ 1230 r300->context.clear_render_target(pipe, 1231 srcsurf, color, 0, 0, src->width0, src->height0); 1232 1233 /* Disable AA resolve. */ 1234 aa->aaresolve_ctl = 0; 1235 r300->aa_state.size = 4; 1236 r300_mark_atom_dirty(r300, &r300->aa_state); 1237 1238 pipe_surface_reference((struct pipe_surface**)&srcsurf, NULL); 1239 pipe_surface_reference((struct pipe_surface**)&aa->dest, NULL); 1240} 1241 1242void r300_init_render_functions(struct r300_context *r300) 1243{ 1244 /* Set draw functions based on presence of HW TCL. */ 1245 if (r300->screen->caps.has_tcl) { 1246 r300->context.draw_vbo = r300_draw_vbo; 1247 } else { 1248 r300->context.draw_vbo = r300_swtcl_draw_vbo; 1249 } 1250 1251 r300->context.resource_resolve = r300_resource_resolve; 1252 r300->blitter->draw_rectangle = r300_blitter_draw_rectangle; 1253 1254 /* Plug in the two-sided stencil reference value fallback if needed. */ 1255 if (!r300->screen->caps.is_r500) 1256 r300_plug_in_stencil_ref_fallback(r300); 1257} 1258