r300_render.c revision 31afa7616e3c11e9874f3297ac66ebdd50a67186
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#include "r300_state_derived.h" 43 44#include <limits.h> 45 46#define IMMD_DWORDS 32 47 48static uint32_t r300_translate_primitive(unsigned prim) 49{ 50 switch (prim) { 51 case PIPE_PRIM_POINTS: 52 return R300_VAP_VF_CNTL__PRIM_POINTS; 53 case PIPE_PRIM_LINES: 54 return R300_VAP_VF_CNTL__PRIM_LINES; 55 case PIPE_PRIM_LINE_LOOP: 56 return R300_VAP_VF_CNTL__PRIM_LINE_LOOP; 57 case PIPE_PRIM_LINE_STRIP: 58 return R300_VAP_VF_CNTL__PRIM_LINE_STRIP; 59 case PIPE_PRIM_TRIANGLES: 60 return R300_VAP_VF_CNTL__PRIM_TRIANGLES; 61 case PIPE_PRIM_TRIANGLE_STRIP: 62 return R300_VAP_VF_CNTL__PRIM_TRIANGLE_STRIP; 63 case PIPE_PRIM_TRIANGLE_FAN: 64 return R300_VAP_VF_CNTL__PRIM_TRIANGLE_FAN; 65 case PIPE_PRIM_QUADS: 66 return R300_VAP_VF_CNTL__PRIM_QUADS; 67 case PIPE_PRIM_QUAD_STRIP: 68 return R300_VAP_VF_CNTL__PRIM_QUAD_STRIP; 69 case PIPE_PRIM_POLYGON: 70 return R300_VAP_VF_CNTL__PRIM_POLYGON; 71 default: 72 return 0; 73 } 74} 75 76static uint32_t r300_provoking_vertex_fixes(struct r300_context *r300, 77 unsigned mode) 78{ 79 struct r300_rs_state* rs = (struct r300_rs_state*)r300->rs_state.state; 80 uint32_t color_control = rs->color_control; 81 82 /* By default (see r300_state.c:r300_create_rs_state) color_control is 83 * initialized to provoking the first vertex. 84 * 85 * Triangle fans must be reduced to the second vertex, not the first, in 86 * Gallium flatshade-first mode, as per the GL spec. 87 * (http://www.opengl.org/registry/specs/ARB/provoking_vertex.txt) 88 * 89 * Quads never provoke correctly in flatshade-first mode. The first 90 * vertex is never considered as provoking, so only the second, third, 91 * and fourth vertices can be selected, and both "third" and "last" modes 92 * select the fourth vertex. This is probably due to D3D lacking quads. 93 * 94 * Similarly, polygons reduce to the first, not the last, vertex, when in 95 * "last" mode, and all other modes start from the second vertex. 96 * 97 * ~ C. 98 */ 99 100 if (rs->rs.flatshade_first) { 101 switch (mode) { 102 case PIPE_PRIM_TRIANGLE_FAN: 103 color_control |= R300_GA_COLOR_CONTROL_PROVOKING_VERTEX_SECOND; 104 break; 105 case PIPE_PRIM_QUADS: 106 case PIPE_PRIM_QUAD_STRIP: 107 case PIPE_PRIM_POLYGON: 108 color_control |= R300_GA_COLOR_CONTROL_PROVOKING_VERTEX_LAST; 109 break; 110 default: 111 color_control |= R300_GA_COLOR_CONTROL_PROVOKING_VERTEX_FIRST; 112 break; 113 } 114 } else { 115 color_control |= R300_GA_COLOR_CONTROL_PROVOKING_VERTEX_LAST; 116 } 117 118 return color_control; 119} 120 121void r500_emit_index_bias(struct r300_context *r300, int index_bias) 122{ 123 CS_LOCALS(r300); 124 125 BEGIN_CS(2); 126 OUT_CS_REG(R500_VAP_INDEX_OFFSET, 127 (index_bias & 0xFFFFFF) | (index_bias < 0 ? 1<<24 : 0)); 128 END_CS; 129} 130 131/* This function splits the index bias value into two parts: 132 * - buffer_offset: the value that can be safely added to buffer offsets 133 * in r300_emit_vertex_arrays (it must yield a positive offset when added to 134 * a vertex buffer offset) 135 * - index_offset: the value that must be manually subtracted from indices 136 * in an index buffer to achieve negative offsets. */ 137static void r300_split_index_bias(struct r300_context *r300, int index_bias, 138 int *buffer_offset, int *index_offset) 139{ 140 struct pipe_vertex_buffer *vb, *vbufs = r300->vertex_buffer; 141 struct pipe_vertex_element *velem = r300->velems->velem; 142 unsigned i, size; 143 int max_neg_bias; 144 145 if (index_bias < 0) { 146 /* See how large index bias we may subtract. We must be careful 147 * here because negative buffer offsets are not allowed 148 * by the DRM API. */ 149 max_neg_bias = INT_MAX; 150 for (i = 0; i < r300->velems->count; i++) { 151 vb = &vbufs[velem[i].vertex_buffer_index]; 152 size = (vb->buffer_offset + velem[i].src_offset) / vb->stride; 153 max_neg_bias = MIN2(max_neg_bias, size); 154 } 155 156 /* Now set the minimum allowed value. */ 157 *buffer_offset = MAX2(-max_neg_bias, index_bias); 158 } else { 159 /* A positive index bias is OK. */ 160 *buffer_offset = index_bias; 161 } 162 163 *index_offset = index_bias - *buffer_offset; 164} 165 166enum r300_prepare_flags { 167 PREP_FIRST_DRAW = (1 << 0), /* call emit_dirty_state and friends? */ 168 PREP_VALIDATE_VBOS = (1 << 1), /* validate VBOs? */ 169 PREP_EMIT_AOS = (1 << 2), /* call emit_vertex_arrays? */ 170 PREP_EMIT_AOS_SWTCL = (1 << 3), /* call emit_vertex_arrays_swtcl? */ 171 PREP_INDEXED = (1 << 4) /* is this draw_elements? */ 172}; 173 174/** 175 * Check if the requested number of dwords is available in the CS and 176 * if not, flush. 177 * \param r300 The context. 178 * \param flags See r300_prepare_flags. 179 * \param cs_dwords The number of dwords to reserve in CS. 180 * \return TRUE if the CS was flushed 181 */ 182static boolean r300_reserve_cs_dwords(struct r300_context *r300, 183 enum r300_prepare_flags flags, 184 unsigned cs_dwords) 185{ 186 boolean flushed = FALSE; 187 boolean first_draw = flags & PREP_FIRST_DRAW; 188 boolean emit_vertex_arrays = flags & PREP_EMIT_AOS; 189 boolean emit_vertex_arrays_swtcl = flags & PREP_EMIT_AOS_SWTCL; 190 191 /* Add dirty state, index offset, and AOS. */ 192 if (first_draw) { 193 cs_dwords += r300_get_num_dirty_dwords(r300); 194 195 if (r300->screen->caps.index_bias_supported) 196 cs_dwords += 2; /* emit_index_offset */ 197 198 if (emit_vertex_arrays) 199 cs_dwords += 55; /* emit_vertex_arrays */ 200 201 if (emit_vertex_arrays_swtcl) 202 cs_dwords += 7; /* emit_vertex_arrays_swtcl */ 203 } 204 205 cs_dwords += r300_get_num_cs_end_dwords(r300); 206 207 /* Reserve requested CS space. */ 208 if (cs_dwords > (R300_MAX_CMDBUF_DWORDS - r300->cs->cdw)) { 209 r300->context.flush(&r300->context, 0, NULL); 210 flushed = TRUE; 211 } 212 213 return flushed; 214} 215 216/** 217 * Validate buffers and emit dirty state. 218 * \param r300 The context. 219 * \param flags See r300_prepare_flags. 220 * \param index_buffer The index buffer to validate. The parameter may be NULL. 221 * \param buffer_offset The offset passed to emit_vertex_arrays. 222 * \param index_bias The index bias to emit. 223 * \return TRUE if rendering should be skipped 224 */ 225static boolean r300_emit_states(struct r300_context *r300, 226 enum r300_prepare_flags flags, 227 struct pipe_resource *index_buffer, 228 int buffer_offset, 229 int index_bias) 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 /* upload buffers first */ 240 if (r300->screen->caps.has_tcl && r300->any_user_vbs) { 241 r300_upload_user_buffers(r300); 242 r300->any_user_vbs = false; 243 } 244 245 if (r300->validate_buffers) { 246 if (!r300_emit_buffer_validate(r300, validate_vbos, 247 index_buffer)) { 248 fprintf(stderr, "r300: CS space validation failed. " 249 "(not enough memory?) Skipping rendering.\n"); 250 return FALSE; 251 } 252 253 /* Consider the validation done only if everything was validated. */ 254 if (validate_vbos) { 255 r300->validate_buffers = FALSE; 256 if (r300->any_user_vbs) 257 r300->upload_vb_validated = TRUE; 258 if (r300->index_buffer.buffer && 259 r300_buffer_is_user_buffer(r300->index_buffer.buffer)) { 260 r300->upload_ib_validated = TRUE; 261 } 262 } 263 } 264 265 r300_emit_dirty_state(r300); 266 if (r300->screen->caps.index_bias_supported) { 267 if (r300->screen->caps.has_tcl) 268 r500_emit_index_bias(r300, index_bias); 269 else 270 r500_emit_index_bias(r300, 0); 271 } 272 273 if (emit_vertex_arrays) 274 r300_emit_vertex_arrays(r300, buffer_offset, indexed); 275 276 if (emit_vertex_arrays_swtcl) 277 r300_emit_vertex_arrays_swtcl(r300, indexed); 278 } 279 280 return TRUE; 281} 282 283/** 284 * Check if the requested number of dwords is available in the CS and 285 * if not, flush. Then validate buffers and emit dirty state. 286 * \param r300 The context. 287 * \param flags See r300_prepare_flags. 288 * \param index_buffer The index buffer to validate. The parameter may be NULL. 289 * \param cs_dwords The number of dwords to reserve in CS. 290 * \param buffer_offset The offset passed to emit_vertex_arrays. 291 * \param index_bias The index bias to emit. 292 * \return TRUE if rendering should be skipped 293 */ 294static boolean r300_prepare_for_rendering(struct r300_context *r300, 295 enum r300_prepare_flags flags, 296 struct pipe_resource *index_buffer, 297 unsigned cs_dwords, 298 int buffer_offset, 299 int index_bias) 300{ 301 if (r300_reserve_cs_dwords(r300, flags, cs_dwords)) 302 flags |= PREP_FIRST_DRAW; 303 304 return r300_emit_states(r300, flags, index_buffer, buffer_offset, index_bias); 305} 306 307static boolean immd_is_good_idea(struct r300_context *r300, 308 unsigned count) 309{ 310 struct pipe_vertex_element* velem; 311 struct pipe_vertex_buffer* vbuf; 312 boolean checked[PIPE_MAX_ATTRIBS] = {0}; 313 unsigned vertex_element_count = r300->velems->count; 314 unsigned i, vbi; 315 316 if (DBG_ON(r300, DBG_NO_IMMD)) { 317 return FALSE; 318 } 319 320 if (r300->draw) { 321 return FALSE; 322 } 323 324 if (count * r300->velems->vertex_size_dwords > IMMD_DWORDS) { 325 return FALSE; 326 } 327 328 /* We shouldn't map buffers referenced by CS, busy buffers, 329 * and ones placed in VRAM. */ 330 for (i = 0; i < vertex_element_count; i++) { 331 velem = &r300->velems->velem[i]; 332 vbi = velem->vertex_buffer_index; 333 334 if (!checked[vbi]) { 335 vbuf = &r300->vertex_buffer[vbi]; 336 337 if (!(r300_buffer(vbuf->buffer)->domain & R300_DOMAIN_GTT)) { 338 return FALSE; 339 } 340 341 if (r300_buffer_is_referenced(&r300->context, 342 vbuf->buffer, 343 R300_REF_CS | R300_REF_HW)) { 344 /* It's a very bad idea to map it... */ 345 return FALSE; 346 } 347 checked[vbi] = TRUE; 348 } 349 } 350 return TRUE; 351} 352 353/***************************************************************************** 354 * The HWTCL draw functions. * 355 ****************************************************************************/ 356 357static void r300_emit_draw_arrays_immediate(struct r300_context *r300, 358 unsigned mode, 359 unsigned start, 360 unsigned count) 361{ 362 struct pipe_vertex_element* velem; 363 struct pipe_vertex_buffer* vbuf; 364 unsigned vertex_element_count = r300->velems->count; 365 unsigned i, v, vbi; 366 367 /* Size of the vertex, in dwords. */ 368 unsigned vertex_size = r300->velems->vertex_size_dwords; 369 370 /* The number of dwords for this draw operation. */ 371 unsigned dwords = 9 + count * vertex_size; 372 373 /* Size of the vertex element, in dwords. */ 374 unsigned size[PIPE_MAX_ATTRIBS]; 375 376 /* Stride to the same attrib in the next vertex in the vertex buffer, 377 * in dwords. */ 378 unsigned stride[PIPE_MAX_ATTRIBS]; 379 380 /* Mapped vertex buffers. */ 381 uint32_t* map[PIPE_MAX_ATTRIBS]; 382 uint32_t* mapelem[PIPE_MAX_ATTRIBS]; 383 struct pipe_transfer* transfer[PIPE_MAX_ATTRIBS] = {0}; 384 385 CS_LOCALS(r300); 386 387 if (!r300_prepare_for_rendering(r300, PREP_FIRST_DRAW, NULL, dwords, 0, 0)) 388 return; 389 390 /* Calculate the vertex size, offsets, strides etc. and map the buffers. */ 391 for (i = 0; i < vertex_element_count; i++) { 392 velem = &r300->velems->velem[i]; 393 size[i] = r300->velems->hw_format_size[i] / 4; 394 vbi = velem->vertex_buffer_index; 395 vbuf = &r300->vertex_buffer[vbi]; 396 stride[i] = vbuf->stride / 4; 397 398 /* Map the buffer. */ 399 if (!transfer[vbi]) { 400 map[vbi] = (uint32_t*)pipe_buffer_map(&r300->context, 401 vbuf->buffer, 402 PIPE_TRANSFER_READ, 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 vbuf = &r300->vertex_buffer[vbi]; 434 pipe_buffer_unmap(&r300->context, transfer[vbi]); 435 transfer[vbi] = NULL; 436 } 437 } 438} 439 440static void r300_emit_draw_arrays(struct r300_context *r300, 441 unsigned mode, 442 unsigned count) 443{ 444 boolean alt_num_verts = count > 65535; 445 CS_LOCALS(r300); 446 447 if (count >= (1 << 24)) { 448 fprintf(stderr, "r300: Got a huge number of vertices: %i, " 449 "refusing to render.\n", count); 450 return; 451 } 452 453 BEGIN_CS(7 + (alt_num_verts ? 2 : 0)); 454 if (alt_num_verts) { 455 OUT_CS_REG(R500_VAP_ALT_NUM_VERTICES, count); 456 } 457 OUT_CS_REG(R300_GA_COLOR_CONTROL, 458 r300_provoking_vertex_fixes(r300, mode)); 459 OUT_CS_REG_SEQ(R300_VAP_VF_MAX_VTX_INDX, 2); 460 OUT_CS(count - 1); 461 OUT_CS(0); 462 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_VBUF_2, 0); 463 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_LIST | (count << 16) | 464 r300_translate_primitive(mode) | 465 (alt_num_verts ? R500_VAP_VF_CNTL__USE_ALT_NUM_VERTS : 0)); 466 END_CS; 467} 468 469static void r300_emit_draw_elements(struct r300_context *r300, 470 struct pipe_resource* indexBuffer, 471 unsigned indexSize, 472 unsigned minIndex, 473 unsigned maxIndex, 474 unsigned mode, 475 unsigned start, 476 unsigned count, 477 uint16_t *imm_indices3) 478{ 479 uint32_t count_dwords, offset_dwords; 480 boolean alt_num_verts = count > 65535; 481 CS_LOCALS(r300); 482 483 if (count >= (1 << 24)) { 484 fprintf(stderr, "r300: Got a huge number of vertices: %i, " 485 "refusing to render.\n", count); 486 return; 487 } 488 489 maxIndex = MIN2(maxIndex, r300->vertex_buffer_max_index); 490 491 DBG(r300, DBG_DRAW, "r300: Indexbuf of %u indices, min %u max %u\n", 492 count, minIndex, maxIndex); 493 494 BEGIN_CS(5); 495 OUT_CS_REG(R300_GA_COLOR_CONTROL, 496 r300_provoking_vertex_fixes(r300, mode)); 497 OUT_CS_REG_SEQ(R300_VAP_VF_MAX_VTX_INDX, 2); 498 OUT_CS(maxIndex); 499 OUT_CS(minIndex); 500 END_CS; 501 502 /* If start is odd, render the first triangle with indices embedded 503 * in the command stream. This will increase start by 3 and make it 504 * even. We can then proceed without a fallback. */ 505 if (indexSize == 2 && (start & 1) && 506 mode == PIPE_PRIM_TRIANGLES) { 507 BEGIN_CS(4); 508 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, 2); 509 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (3 << 16) | 510 R300_VAP_VF_CNTL__PRIM_TRIANGLES); 511 OUT_CS(imm_indices3[1] << 16 | imm_indices3[0]); 512 OUT_CS(imm_indices3[2]); 513 END_CS; 514 515 start += 3; 516 count -= 3; 517 if (!count) 518 return; 519 } 520 521 offset_dwords = indexSize * start / sizeof(uint32_t); 522 523 BEGIN_CS(8 + (alt_num_verts ? 2 : 0)); 524 if (alt_num_verts) { 525 OUT_CS_REG(R500_VAP_ALT_NUM_VERTICES, count); 526 } 527 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, 0); 528 if (indexSize == 4) { 529 count_dwords = count; 530 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) | 531 R300_VAP_VF_CNTL__INDEX_SIZE_32bit | 532 r300_translate_primitive(mode) | 533 (alt_num_verts ? R500_VAP_VF_CNTL__USE_ALT_NUM_VERTS : 0)); 534 } else { 535 count_dwords = (count + 1) / 2; 536 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) | 537 r300_translate_primitive(mode) | 538 (alt_num_verts ? R500_VAP_VF_CNTL__USE_ALT_NUM_VERTS : 0)); 539 } 540 541 /* INDX_BUFFER is a truly special packet3. 542 * Unlike most other packet3, where the offset is after the count, 543 * the order is reversed, so the relocation ends up carrying the 544 * size of the indexbuf instead of the offset. 545 */ 546 OUT_CS_PKT3(R300_PACKET3_INDX_BUFFER, 2); 547 OUT_CS(R300_INDX_BUFFER_ONE_REG_WR | (R300_VAP_PORT_IDX0 >> 2) | 548 (0 << R300_INDX_BUFFER_SKIP_SHIFT)); 549 OUT_CS(offset_dwords << 2); 550 OUT_CS_BUF_RELOC(indexBuffer, count_dwords, 551 r300_buffer(indexBuffer)->domain, 0); 552 553 END_CS; 554} 555 556/* This is the fast-path drawing & emission for HW TCL. */ 557static void r300_draw_range_elements(struct pipe_context* pipe, 558 struct pipe_resource* indexBuffer, 559 unsigned indexSize, 560 int indexBias, 561 unsigned minIndex, 562 unsigned maxIndex, 563 unsigned mode, 564 unsigned start, 565 unsigned count) 566{ 567 struct r300_context* r300 = r300_context(pipe); 568 struct pipe_resource* orgIndexBuffer = indexBuffer; 569 boolean alt_num_verts = r300->screen->caps.is_r500 && 570 count > 65536 && 571 r300->rws->get_value(r300->rws, R300_VID_DRM_2_3_0); 572 unsigned short_count; 573 int buffer_offset = 0, index_offset = 0; /* for index bias emulation */ 574 uint16_t indices3[3]; 575 576 if (indexBias && !r300->screen->caps.index_bias_supported) { 577 r300_split_index_bias(r300, indexBias, &buffer_offset, &index_offset); 578 } 579 580 r300_translate_index_buffer(r300, &indexBuffer, &indexSize, index_offset, 581 &start, count); 582 583 r300_update_derived_state(r300); 584 585 /* Fallback for misaligned ushort indices. */ 586 if (indexSize == 2 && (start & 1) && 587 !r300_buffer_is_user_buffer(indexBuffer)) { 588 struct pipe_transfer *transfer; 589 struct pipe_resource *userbuf; 590 591 uint16_t *ptr = pipe_buffer_map(pipe, indexBuffer, 592 PIPE_TRANSFER_READ, &transfer); 593 594 if (mode == PIPE_PRIM_TRIANGLES) { 595 memcpy(indices3, ptr + start, 6); 596 } else { 597 /* Copy the mapped index buffer directly to the upload buffer. 598 * The start index will be aligned simply from the fact that 599 * every sub-buffer in u_upload_mgr is aligned. */ 600 userbuf = pipe->screen->user_buffer_create(pipe->screen, 601 ptr, count * 2, 602 PIPE_BIND_INDEX_BUFFER); 603 indexBuffer = userbuf; 604 r300_upload_index_buffer(r300, &indexBuffer, indexSize, &start, count); 605 pipe_resource_reference(&userbuf, NULL); 606 } 607 pipe_buffer_unmap(pipe, transfer); 608 } else { 609 if (r300_buffer_is_user_buffer(indexBuffer)) 610 r300_upload_index_buffer(r300, &indexBuffer, indexSize, &start, count); 611 } 612 613 /* 19 dwords for emit_draw_elements. Give up if the function fails. */ 614 if (!r300_prepare_for_rendering(r300, 615 PREP_FIRST_DRAW | PREP_VALIDATE_VBOS | PREP_EMIT_AOS | 616 PREP_INDEXED, indexBuffer, 19, buffer_offset, indexBias)) 617 goto done; 618 619 if (alt_num_verts || count <= 65535) { 620 r300_emit_draw_elements(r300, indexBuffer, indexSize, 621 minIndex, maxIndex, mode, start, count, indices3); 622 } else { 623 do { 624 short_count = MIN2(count, 65534); 625 r300_emit_draw_elements(r300, indexBuffer, indexSize, 626 minIndex, maxIndex, 627 mode, start, short_count, indices3); 628 629 start += short_count; 630 count -= short_count; 631 632 /* 15 dwords for emit_draw_elements */ 633 if (count) { 634 if (!r300_prepare_for_rendering(r300, 635 PREP_VALIDATE_VBOS | PREP_EMIT_AOS | PREP_INDEXED, 636 indexBuffer, 19, buffer_offset, indexBias)) 637 goto done; 638 } 639 } while (count); 640 } 641 642done: 643 if (indexBuffer != orgIndexBuffer) { 644 pipe_resource_reference( &indexBuffer, NULL ); 645 } 646} 647 648static void r300_draw_arrays(struct pipe_context* pipe, unsigned mode, 649 unsigned start, unsigned count) 650{ 651 struct r300_context* r300 = r300_context(pipe); 652 boolean alt_num_verts = r300->screen->caps.is_r500 && 653 count > 65536 && 654 r300->rws->get_value(r300->rws, R300_VID_DRM_2_3_0); 655 unsigned short_count; 656 657 r300_update_derived_state(r300); 658 659 if (immd_is_good_idea(r300, count)) { 660 r300_emit_draw_arrays_immediate(r300, mode, start, count); 661 } else { 662 /* 9 spare dwords for emit_draw_arrays. Give up if the function fails. */ 663 if (!r300_prepare_for_rendering(r300, 664 PREP_FIRST_DRAW | PREP_VALIDATE_VBOS | PREP_EMIT_AOS, 665 NULL, 9, start, 0)) 666 return; 667 668 if (alt_num_verts || count <= 65535) { 669 r300_emit_draw_arrays(r300, mode, count); 670 } else { 671 do { 672 short_count = MIN2(count, 65535); 673 r300_emit_draw_arrays(r300, mode, short_count); 674 675 start += short_count; 676 count -= short_count; 677 678 /* 9 spare dwords for emit_draw_arrays. Give up if the function fails. */ 679 if (count) { 680 if (!r300_prepare_for_rendering(r300, 681 PREP_VALIDATE_VBOS | PREP_EMIT_AOS, NULL, 9, 682 start, 0)) 683 return; 684 } 685 } while (count); 686 } 687 } 688} 689 690static void r300_draw_vbo(struct pipe_context* pipe, 691 const struct pipe_draw_info *info) 692{ 693 struct r300_context* r300 = r300_context(pipe); 694 unsigned count = info->count; 695 boolean translate = FALSE; 696 boolean indexed = info->indexed && r300->index_buffer.buffer; 697 unsigned start_indexed = 0; 698 699 if (r300->skip_rendering) { 700 return; 701 } 702 703 if (!u_trim_pipe_prim(info->mode, &count)) { 704 return; 705 } 706 707 /* Index buffer range checking. */ 708 if (indexed) { 709 assert(r300->index_buffer.offset % r300->index_buffer.index_size == 0); 710 711 /* Compute start for draw_elements, taking the offset into account. */ 712 start_indexed = 713 info->start + 714 (r300->index_buffer.offset / r300->index_buffer.index_size); 715 716 if ((start_indexed + count) * r300->index_buffer.index_size > 717 r300->index_buffer.buffer->width0) { 718 fprintf(stderr, "r300: Invalid index buffer range. Skipping rendering.\n"); 719 return; 720 } 721 } 722 723 /* Set up fallback for incompatible vertex layout if needed. */ 724 if (r300->incompatible_vb_layout || r300->velems->incompatible_layout) { 725 r300_begin_vertex_translate(r300); 726 translate = TRUE; 727 } 728 729 if (indexed) { 730 r300_draw_range_elements(pipe, 731 r300->index_buffer.buffer, 732 r300->index_buffer.index_size, 733 info->index_bias, 734 info->min_index, 735 info->max_index, 736 info->mode, 737 start_indexed, 738 count); 739 } else { 740 r300_draw_arrays(pipe, 741 info->mode, 742 info->start, 743 count); 744 } 745 746 if (translate) { 747 r300_end_vertex_translate(r300); 748 } 749} 750 751/**************************************************************************** 752 * The rest of this file is for SW TCL rendering only. Please be polite and * 753 * keep these functions separated so that they are easier to locate. ~C. * 754 ***************************************************************************/ 755 756/* SW TCL elements, using Draw. */ 757static void r300_swtcl_draw_vbo(struct pipe_context* pipe, 758 const struct pipe_draw_info *info) 759{ 760 struct r300_context* r300 = r300_context(pipe); 761 struct pipe_transfer *vb_transfer[PIPE_MAX_ATTRIBS]; 762 struct pipe_transfer *ib_transfer = NULL; 763 unsigned count = info->count; 764 int i; 765 void *indices = NULL; 766 boolean indexed = info->indexed && r300->index_buffer.buffer; 767 768 if (r300->skip_rendering) { 769 return; 770 } 771 772 if (!u_trim_pipe_prim(info->mode, &count)) { 773 return; 774 } 775 776 r300_update_derived_state(r300); 777 778 r300_reserve_cs_dwords(r300, 779 PREP_FIRST_DRAW | PREP_EMIT_AOS_SWTCL | 780 (indexed ? PREP_INDEXED : 0), 781 indexed ? 256 : 6); 782 783 for (i = 0; i < r300->vertex_buffer_count; i++) { 784 if (r300->vertex_buffer[i].buffer) { 785 void *buf = pipe_buffer_map(pipe, 786 r300->vertex_buffer[i].buffer, 787 PIPE_TRANSFER_READ, 788 &vb_transfer[i]); 789 draw_set_mapped_vertex_buffer(r300->draw, i, buf); 790 } 791 } 792 793 if (indexed) { 794 indices = pipe_buffer_map(pipe, r300->index_buffer.buffer, 795 PIPE_TRANSFER_READ, &ib_transfer); 796 } 797 798 draw_set_mapped_index_buffer(r300->draw, indices); 799 800 r300->draw_vbo_locked = TRUE; 801 r300->draw_first_emitted = FALSE; 802 draw_vbo(r300->draw, info); 803 draw_flush(r300->draw); 804 r300->draw_vbo_locked = FALSE; 805 806 for (i = 0; i < r300->vertex_buffer_count; i++) { 807 if (r300->vertex_buffer[i].buffer) { 808 pipe_buffer_unmap(pipe, vb_transfer[i]); 809 draw_set_mapped_vertex_buffer(r300->draw, i, NULL); 810 } 811 } 812 813 if (indexed) { 814 pipe_buffer_unmap(pipe, ib_transfer); 815 draw_set_mapped_index_buffer(r300->draw, NULL); 816 } 817} 818 819/* Object for rendering using Draw. */ 820struct r300_render { 821 /* Parent class */ 822 struct vbuf_render base; 823 824 /* Pipe context */ 825 struct r300_context* r300; 826 827 /* Vertex information */ 828 size_t vertex_size; 829 unsigned prim; 830 unsigned hwprim; 831 832 /* VBO */ 833 size_t vbo_max_used; 834 void * vbo_ptr; 835 836 struct pipe_transfer *vbo_transfer; 837}; 838 839static INLINE struct r300_render* 840r300_render(struct vbuf_render* render) 841{ 842 return (struct r300_render*)render; 843} 844 845static const struct vertex_info* 846r300_render_get_vertex_info(struct vbuf_render* render) 847{ 848 struct r300_render* r300render = r300_render(render); 849 struct r300_context* r300 = r300render->r300; 850 851 return &r300->vertex_info; 852} 853 854static boolean r300_render_allocate_vertices(struct vbuf_render* render, 855 ushort vertex_size, 856 ushort count) 857{ 858 struct r300_render* r300render = r300_render(render); 859 struct r300_context* r300 = r300render->r300; 860 struct pipe_screen* screen = r300->context.screen; 861 size_t size = (size_t)vertex_size * (size_t)count; 862 863 DBG(r300, DBG_DRAW, "r300: render_allocate_vertices (size: %d)\n", size); 864 865 if (size + r300->draw_vbo_offset > r300->draw_vbo_size) 866 { 867 pipe_resource_reference(&r300->vbo, NULL); 868 r300->vbo = pipe_buffer_create(screen, 869 PIPE_BIND_VERTEX_BUFFER, 870 R300_MAX_DRAW_VBO_SIZE); 871 r300->draw_vbo_offset = 0; 872 r300->draw_vbo_size = R300_MAX_DRAW_VBO_SIZE; 873 r300->validate_buffers = TRUE; 874 } 875 876 r300render->vertex_size = vertex_size; 877 878 return (r300->vbo) ? TRUE : FALSE; 879} 880 881static void* r300_render_map_vertices(struct vbuf_render* render) 882{ 883 struct r300_render* r300render = r300_render(render); 884 struct r300_context* r300 = r300render->r300; 885 886 assert(!r300render->vbo_transfer); 887 888 DBG(r300, DBG_DRAW, "r300: render_map_vertices\n"); 889 890 r300render->vbo_ptr = pipe_buffer_map(&r300render->r300->context, 891 r300->vbo, 892 PIPE_TRANSFER_WRITE, 893 &r300render->vbo_transfer); 894 895 assert(r300render->vbo_ptr); 896 897 return ((uint8_t*)r300render->vbo_ptr + r300->draw_vbo_offset); 898} 899 900static void r300_render_unmap_vertices(struct vbuf_render* render, 901 ushort min, 902 ushort max) 903{ 904 struct r300_render* r300render = r300_render(render); 905 struct pipe_context* context = &r300render->r300->context; 906 struct r300_context* r300 = r300render->r300; 907 908 assert(r300render->vbo_transfer); 909 910 DBG(r300, DBG_DRAW, "r300: render_unmap_vertices\n"); 911 912 r300render->vbo_max_used = MAX2(r300render->vbo_max_used, 913 r300render->vertex_size * (max + 1)); 914 pipe_buffer_unmap(context, r300render->vbo_transfer); 915 916 r300render->vbo_transfer = NULL; 917} 918 919static void r300_render_release_vertices(struct vbuf_render* render) 920{ 921 struct r300_render* r300render = r300_render(render); 922 struct r300_context* r300 = r300render->r300; 923 924 DBG(r300, DBG_DRAW, "r300: render_release_vertices\n"); 925 926 r300->draw_vbo_offset += r300render->vbo_max_used; 927 r300render->vbo_max_used = 0; 928} 929 930static boolean r300_render_set_primitive(struct vbuf_render* render, 931 unsigned prim) 932{ 933 struct r300_render* r300render = r300_render(render); 934 935 r300render->prim = prim; 936 r300render->hwprim = r300_translate_primitive(prim); 937 938 return TRUE; 939} 940 941static void r300_render_draw_arrays(struct vbuf_render* render, 942 unsigned start, 943 unsigned count) 944{ 945 struct r300_render* r300render = r300_render(render); 946 struct r300_context* r300 = r300render->r300; 947 uint8_t* ptr; 948 unsigned i; 949 unsigned dwords = 6; 950 951 CS_LOCALS(r300); 952 (void) i; (void) ptr; 953 954 DBG(r300, DBG_DRAW, "r300: render_draw_arrays (count: %d)\n", count); 955 956 if (r300->draw_first_emitted) { 957 if (!r300_prepare_for_rendering(r300, 958 PREP_FIRST_DRAW | PREP_EMIT_AOS_SWTCL, 959 NULL, 6, 0, 0)) 960 return; 961 } else { 962 if (!r300_emit_states(r300, 963 PREP_FIRST_DRAW | PREP_EMIT_AOS_SWTCL, 964 NULL, 0, 0)) 965 return; 966 } 967 968 /* Uncomment to dump all VBOs rendered through this interface. 969 * Slow and noisy! 970 ptr = pipe_buffer_map(&r300render->r300->context, 971 r300render->vbo, PIPE_TRANSFER_READ, 972 &r300render->vbo_transfer); 973 974 for (i = 0; i < count; i++) { 975 printf("r300: Vertex %d\n", i); 976 draw_dump_emitted_vertex(&r300->vertex_info, ptr); 977 ptr += r300->vertex_info.size * 4; 978 printf("\n"); 979 } 980 981 pipe_buffer_unmap(&r300render->r300->context, r300render->vbo, 982 r300render->vbo_transfer); 983 */ 984 985 BEGIN_CS(dwords); 986 OUT_CS_REG(R300_GA_COLOR_CONTROL, 987 r300_provoking_vertex_fixes(r300, r300render->prim)); 988 OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, count - 1); 989 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_VBUF_2, 0); 990 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_LIST | (count << 16) | 991 r300render->hwprim); 992 END_CS; 993 994 r300->draw_first_emitted = TRUE; 995} 996 997static void r300_render_draw_elements(struct vbuf_render* render, 998 const ushort* indices, 999 uint count) 1000{ 1001 struct r300_render* r300render = r300_render(render); 1002 struct r300_context* r300 = r300render->r300; 1003 int i; 1004 unsigned end_cs_dwords; 1005 unsigned max_index = (r300->draw_vbo_size - r300->draw_vbo_offset) / 1006 (r300render->r300->vertex_info.size * 4) - 1; 1007 unsigned short_count; 1008 unsigned free_dwords; 1009 1010 CS_LOCALS(r300); 1011 DBG(r300, DBG_DRAW, "r300: render_draw_elements (count: %d)\n", count); 1012 1013 if (r300->draw_first_emitted) { 1014 if (!r300_prepare_for_rendering(r300, 1015 PREP_FIRST_DRAW | PREP_EMIT_AOS_SWTCL | PREP_INDEXED, 1016 NULL, 256, 0, 0)) 1017 return; 1018 } else { 1019 if (!r300_emit_states(r300, 1020 PREP_FIRST_DRAW | PREP_EMIT_AOS_SWTCL | PREP_INDEXED, 1021 NULL, 0, 0)) 1022 return; 1023 } 1024 1025 /* Below we manage the CS space manually because there may be more 1026 * indices than it can fit in CS. */ 1027 1028 end_cs_dwords = r300_get_num_cs_end_dwords(r300); 1029 1030 while (count) { 1031 free_dwords = R300_MAX_CMDBUF_DWORDS - r300->cs->cdw; 1032 1033 short_count = MIN2(count, (free_dwords - end_cs_dwords - 6) * 2); 1034 1035 BEGIN_CS(6 + (short_count+1)/2); 1036 OUT_CS_REG(R300_GA_COLOR_CONTROL, 1037 r300_provoking_vertex_fixes(r300, r300render->prim)); 1038 OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, max_index); 1039 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, (short_count+1)/2); 1040 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (short_count << 16) | 1041 r300render->hwprim); 1042 for (i = 0; i < short_count-1; i += 2) { 1043 OUT_CS(indices[i+1] << 16 | indices[i]); 1044 } 1045 if (short_count % 2) { 1046 OUT_CS(indices[short_count-1]); 1047 } 1048 END_CS; 1049 1050 /* OK now subtract the emitted indices and see if we need to emit 1051 * another draw packet. */ 1052 indices += short_count; 1053 count -= short_count; 1054 1055 if (count) { 1056 if (!r300_prepare_for_rendering(r300, 1057 PREP_EMIT_AOS_SWTCL | PREP_INDEXED, 1058 NULL, 256, 0, 0)) 1059 return; 1060 1061 end_cs_dwords = r300_get_num_cs_end_dwords(r300); 1062 } 1063 } 1064 1065 r300->draw_first_emitted = TRUE; 1066} 1067 1068static void r300_render_destroy(struct vbuf_render* render) 1069{ 1070 FREE(render); 1071} 1072 1073static struct vbuf_render* r300_render_create(struct r300_context* r300) 1074{ 1075 struct r300_render* r300render = CALLOC_STRUCT(r300_render); 1076 1077 r300render->r300 = r300; 1078 1079 r300render->base.max_vertex_buffer_bytes = 1024 * 1024; 1080 r300render->base.max_indices = 16 * 1024; 1081 1082 r300render->base.get_vertex_info = r300_render_get_vertex_info; 1083 r300render->base.allocate_vertices = r300_render_allocate_vertices; 1084 r300render->base.map_vertices = r300_render_map_vertices; 1085 r300render->base.unmap_vertices = r300_render_unmap_vertices; 1086 r300render->base.set_primitive = r300_render_set_primitive; 1087 r300render->base.draw_elements = r300_render_draw_elements; 1088 r300render->base.draw_arrays = r300_render_draw_arrays; 1089 r300render->base.release_vertices = r300_render_release_vertices; 1090 r300render->base.destroy = r300_render_destroy; 1091 1092 return &r300render->base; 1093} 1094 1095struct draw_stage* r300_draw_stage(struct r300_context* r300) 1096{ 1097 struct vbuf_render* render; 1098 struct draw_stage* stage; 1099 1100 render = r300_render_create(r300); 1101 1102 if (!render) { 1103 return NULL; 1104 } 1105 1106 stage = draw_vbuf_stage(r300->draw, render); 1107 1108 if (!stage) { 1109 render->destroy(render); 1110 return NULL; 1111 } 1112 1113 draw_set_render(r300->draw, render); 1114 1115 return stage; 1116} 1117 1118void r300_draw_flush_vbuf(struct r300_context *r300) 1119{ 1120 pipe_resource_reference(&r300->vbo, NULL); 1121 r300->draw_vbo_size = 0; 1122} 1123 1124/**************************************************************************** 1125 * End of SW TCL functions * 1126 ***************************************************************************/ 1127 1128/* This functions is used to draw a rectangle for the blitter module. 1129 * 1130 * If we rendered a quad, the pixels on the main diagonal 1131 * would be computed and stored twice, which makes the clear/copy codepaths 1132 * somewhat inefficient. Instead we use a rectangular point sprite. */ 1133static void r300_blitter_draw_rectangle(struct blitter_context *blitter, 1134 unsigned x1, unsigned y1, 1135 unsigned x2, unsigned y2, 1136 float depth, 1137 enum blitter_attrib_type type, 1138 const float attrib[4]) 1139{ 1140 struct r300_context *r300 = r300_context(util_blitter_get_pipe(blitter)); 1141 unsigned last_sprite_coord_enable = r300->sprite_coord_enable; 1142 unsigned width = x2 - x1; 1143 unsigned height = y2 - y1; 1144 unsigned vertex_size = 1145 type == UTIL_BLITTER_ATTRIB_COLOR || !r300->draw ? 8 : 4; 1146 unsigned dwords = 13 + vertex_size + 1147 (type == UTIL_BLITTER_ATTRIB_TEXCOORD ? 7 : 0); 1148 const float zeros[4] = {0, 0, 0, 0}; 1149 CS_LOCALS(r300); 1150 1151 r300->context.set_vertex_buffers(&r300->context, 0, NULL); 1152 1153 if (type == UTIL_BLITTER_ATTRIB_TEXCOORD) 1154 r300->sprite_coord_enable = 1; 1155 1156 r300_update_derived_state(r300); 1157 1158 /* Mark some states we don't care about as non-dirty. */ 1159 r300->clip_state.dirty = FALSE; 1160 r300->viewport_state.dirty = FALSE; 1161 1162 if (!r300_prepare_for_rendering(r300, PREP_FIRST_DRAW, NULL, dwords, 0, 0)) 1163 goto done; 1164 1165 DBG(r300, DBG_DRAW, "r300: draw_rectangle\n"); 1166 1167 BEGIN_CS(dwords); 1168 /* Set up GA. */ 1169 OUT_CS_REG(R300_GA_POINT_SIZE, (height * 6) | ((width * 6) << 16)); 1170 1171 if (type == UTIL_BLITTER_ATTRIB_TEXCOORD) { 1172 /* Set up the GA to generate texcoords. */ 1173 OUT_CS_REG(R300_GB_ENABLE, R300_GB_POINT_STUFF_ENABLE | 1174 (R300_GB_TEX_STR << R300_GB_TEX0_SOURCE_SHIFT)); 1175 OUT_CS_REG_SEQ(R300_GA_POINT_S0, 4); 1176 OUT_CS_32F(attrib[0]); 1177 OUT_CS_32F(attrib[3]); 1178 OUT_CS_32F(attrib[2]); 1179 OUT_CS_32F(attrib[1]); 1180 } 1181 1182 /* Set up VAP controls. */ 1183 OUT_CS_REG(R300_VAP_CLIP_CNTL, R300_CLIP_DISABLE); 1184 OUT_CS_REG(R300_VAP_VTE_CNTL, R300_VTX_XY_FMT | R300_VTX_Z_FMT); 1185 OUT_CS_REG(R300_VAP_VTX_SIZE, vertex_size); 1186 OUT_CS_REG_SEQ(R300_VAP_VF_MAX_VTX_INDX, 2); 1187 OUT_CS(1); 1188 OUT_CS(0); 1189 1190 /* Draw. */ 1191 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_IMMD_2, vertex_size); 1192 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_EMBEDDED | (1 << 16) | 1193 R300_VAP_VF_CNTL__PRIM_POINTS); 1194 1195 OUT_CS_32F(x1 + width * 0.5f); 1196 OUT_CS_32F(y1 + height * 0.5f); 1197 OUT_CS_32F(depth); 1198 OUT_CS_32F(1); 1199 1200 if (vertex_size == 8) { 1201 if (!attrib) 1202 attrib = zeros; 1203 OUT_CS_TABLE(attrib, 4); 1204 } 1205 END_CS; 1206 1207done: 1208 /* Restore the state. */ 1209 r300_mark_atom_dirty(r300, &r300->clip_state); 1210 r300_mark_atom_dirty(r300, &r300->rs_state); 1211 r300_mark_atom_dirty(r300, &r300->viewport_state); 1212 1213 r300->sprite_coord_enable = last_sprite_coord_enable; 1214} 1215 1216static void r300_resource_resolve(struct pipe_context* pipe, 1217 struct pipe_resource* dest, 1218 unsigned dst_layer, 1219 struct pipe_resource* src, 1220 unsigned src_layer) 1221{ 1222 struct r300_context* r300 = r300_context(pipe); 1223 struct pipe_surface* srcsurf, surf_tmpl; 1224 struct r300_aa_state *aa = (struct r300_aa_state*)r300->aa_state.state; 1225 float color[] = {0, 0, 0, 0}; 1226 1227 memset(&surf_tmpl, 0, sizeof(surf_tmpl)); 1228 surf_tmpl.format = src->format; 1229 surf_tmpl.usage = 0; /* not really a surface hence no bind flags */ 1230 surf_tmpl.u.tex.level = 0; /* msaa resources cannot have mipmaps */ 1231 surf_tmpl.u.tex.first_layer = src_layer; 1232 surf_tmpl.u.tex.last_layer = src_layer; 1233 srcsurf = pipe->create_surface(pipe, src, &surf_tmpl); 1234 surf_tmpl.format = dest->format; 1235 surf_tmpl.u.tex.first_layer = dst_layer; 1236 surf_tmpl.u.tex.last_layer = dst_layer; 1237 1238 DBG(r300, DBG_DRAW, "r300: Resolving resource...\n"); 1239 1240 /* Enable AA resolve. */ 1241 aa->dest = r300_surface(pipe->create_surface(pipe, dest, &surf_tmpl)); 1242 1243 aa->aaresolve_ctl = 1244 R300_RB3D_AARESOLVE_CTL_AARESOLVE_MODE_RESOLVE | 1245 R300_RB3D_AARESOLVE_CTL_AARESOLVE_ALPHA_AVERAGE; 1246 r300->aa_state.size = 12; 1247 r300_mark_atom_dirty(r300, &r300->aa_state); 1248 1249 /* Resolve the surface. */ 1250 r300->context.clear_render_target(pipe, 1251 srcsurf, color, 0, 0, src->width0, src->height0); 1252 1253 /* Disable AA resolve. */ 1254 aa->aaresolve_ctl = 0; 1255 r300->aa_state.size = 4; 1256 r300_mark_atom_dirty(r300, &r300->aa_state); 1257 1258 pipe_surface_reference((struct pipe_surface**)&srcsurf, NULL); 1259 pipe_surface_reference((struct pipe_surface**)&aa->dest, NULL); 1260} 1261 1262void r300_init_render_functions(struct r300_context *r300) 1263{ 1264 /* Set draw functions based on presence of HW TCL. */ 1265 if (r300->screen->caps.has_tcl) { 1266 r300->context.draw_vbo = r300_draw_vbo; 1267 } else { 1268 r300->context.draw_vbo = r300_swtcl_draw_vbo; 1269 } 1270 1271 r300->context.resource_resolve = r300_resource_resolve; 1272 r300->blitter->draw_rectangle = r300_blitter_draw_rectangle; 1273 1274 /* Plug in the two-sided stencil reference value fallback if needed. */ 1275 if (!r300->screen->caps.is_r500) 1276 r300_plug_in_stencil_ref_fallback(r300); 1277} 1278