r300_render.c revision b10bff11350014e1bb49b0ce18704fdd66e850c0
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_aos (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_aos? */ 170 PREP_EMIT_AOS_SWTCL = (1 << 3), /* call emit_aos_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_aos = flags & PREP_EMIT_AOS; 189 boolean emit_aos_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_aos) 199 cs_dwords += 55; /* emit_aos */ 200 201 if (emit_aos_swtcl) 202 cs_dwords += 7; /* emit_aos_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 aos_offset The offset passed to emit_aos. 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 aos_offset, 229 int index_bias) 230{ 231 boolean first_draw = flags & PREP_FIRST_DRAW; 232 boolean emit_aos = flags & PREP_EMIT_AOS; 233 boolean emit_aos_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 } 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_aos) 268 r300_emit_aos(r300, aos_offset, indexed); 269 270 if (emit_aos_swtcl) 271 r300_emit_aos_swtcl(r300, indexed); 272 } 273 274 return TRUE; 275} 276 277/** 278 * Check if the requested number of dwords is available in the CS and 279 * if not, flush. Then validate buffers and emit dirty state. 280 * \param r300 The context. 281 * \param flags See r300_prepare_flags. 282 * \param index_buffer The index buffer to validate. The parameter may be NULL. 283 * \param cs_dwords The number of dwords to reserve in CS. 284 * \param aos_offset The offset passed to emit_aos. 285 * \param index_bias The index bias to emit. 286 * \return TRUE if rendering should be skipped 287 */ 288static boolean r300_prepare_for_rendering(struct r300_context *r300, 289 enum r300_prepare_flags flags, 290 struct pipe_resource *index_buffer, 291 unsigned cs_dwords, 292 int aos_offset, 293 int index_bias) 294{ 295 if (r300_reserve_cs_dwords(r300, flags, cs_dwords)) 296 flags |= PREP_FIRST_DRAW; 297 298 return r300_emit_states(r300, flags, index_buffer, aos_offset, index_bias); 299} 300 301static boolean immd_is_good_idea(struct r300_context *r300, 302 unsigned count) 303{ 304 struct pipe_vertex_element* velem; 305 struct pipe_vertex_buffer* vbuf; 306 boolean checked[PIPE_MAX_ATTRIBS] = {0}; 307 unsigned vertex_element_count = r300->velems->count; 308 unsigned i, vbi; 309 310 if (DBG_ON(r300, DBG_NO_IMMD)) { 311 return FALSE; 312 } 313 314 if (r300->draw) { 315 return FALSE; 316 } 317 318 if (count * r300->velems->vertex_size_dwords > IMMD_DWORDS) { 319 return FALSE; 320 } 321 322 /* We shouldn't map buffers referenced by CS, busy buffers, 323 * and ones placed in VRAM. */ 324 for (i = 0; i < vertex_element_count; i++) { 325 velem = &r300->velems->velem[i]; 326 vbi = velem->vertex_buffer_index; 327 328 if (!checked[vbi]) { 329 vbuf = &r300->vertex_buffer[vbi]; 330 331 if (!(r300_buffer(vbuf->buffer)->domain & R300_DOMAIN_GTT)) { 332 return FALSE; 333 } 334 335 if (r300_buffer_is_referenced(&r300->context, 336 vbuf->buffer, 337 R300_REF_CS | R300_REF_HW)) { 338 /* It's a very bad idea to map it... */ 339 return FALSE; 340 } 341 checked[vbi] = TRUE; 342 } 343 } 344 return TRUE; 345} 346 347/***************************************************************************** 348 * The HWTCL draw functions. * 349 ****************************************************************************/ 350 351static void r300_emit_draw_arrays_immediate(struct r300_context *r300, 352 unsigned mode, 353 unsigned start, 354 unsigned count) 355{ 356 struct pipe_vertex_element* velem; 357 struct pipe_vertex_buffer* vbuf; 358 unsigned vertex_element_count = r300->velems->count; 359 unsigned i, v, vbi; 360 361 /* Size of the vertex, in dwords. */ 362 unsigned vertex_size = r300->velems->vertex_size_dwords; 363 364 /* The number of dwords for this draw operation. */ 365 unsigned dwords = 9 + count * vertex_size; 366 367 /* Size of the vertex element, in dwords. */ 368 unsigned size[PIPE_MAX_ATTRIBS]; 369 370 /* Stride to the same attrib in the next vertex in the vertex buffer, 371 * in dwords. */ 372 unsigned stride[PIPE_MAX_ATTRIBS]; 373 374 /* Mapped vertex buffers. */ 375 uint32_t* map[PIPE_MAX_ATTRIBS]; 376 uint32_t* mapelem[PIPE_MAX_ATTRIBS]; 377 struct pipe_transfer* transfer[PIPE_MAX_ATTRIBS] = {0}; 378 379 CS_LOCALS(r300); 380 381 if (!r300_prepare_for_rendering(r300, PREP_FIRST_DRAW, NULL, dwords, 0, 0)) 382 return; 383 384 /* Calculate the vertex size, offsets, strides etc. and map the buffers. */ 385 for (i = 0; i < vertex_element_count; i++) { 386 velem = &r300->velems->velem[i]; 387 size[i] = r300->velems->hw_format_size[i] / 4; 388 vbi = velem->vertex_buffer_index; 389 vbuf = &r300->vertex_buffer[vbi]; 390 stride[i] = vbuf->stride / 4; 391 392 /* Map the buffer. */ 393 if (!transfer[vbi]) { 394 map[vbi] = (uint32_t*)pipe_buffer_map(&r300->context, 395 vbuf->buffer, 396 PIPE_TRANSFER_READ, 397 &transfer[vbi]); 398 map[vbi] += (vbuf->buffer_offset / 4) + stride[i] * start; 399 } 400 mapelem[i] = map[vbi] + (velem->src_offset / 4); 401 } 402 403 BEGIN_CS(dwords); 404 OUT_CS_REG(R300_GA_COLOR_CONTROL, 405 r300_provoking_vertex_fixes(r300, mode)); 406 OUT_CS_REG(R300_VAP_VTX_SIZE, vertex_size); 407 OUT_CS_REG_SEQ(R300_VAP_VF_MAX_VTX_INDX, 2); 408 OUT_CS(count - 1); 409 OUT_CS(0); 410 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_IMMD_2, count * vertex_size); 411 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_EMBEDDED | (count << 16) | 412 r300_translate_primitive(mode)); 413 414 /* Emit vertices. */ 415 for (v = 0; v < count; v++) { 416 for (i = 0; i < vertex_element_count; i++) { 417 OUT_CS_TABLE(&mapelem[i][stride[i] * v], size[i]); 418 } 419 } 420 END_CS; 421 422 /* Unmap buffers. */ 423 for (i = 0; i < vertex_element_count; i++) { 424 vbi = r300->velems->velem[i].vertex_buffer_index; 425 426 if (transfer[vbi]) { 427 vbuf = &r300->vertex_buffer[vbi]; 428 pipe_buffer_unmap(&r300->context, transfer[vbi]); 429 transfer[vbi] = NULL; 430 } 431 } 432} 433 434static void r300_emit_draw_arrays(struct r300_context *r300, 435 unsigned mode, 436 unsigned count) 437{ 438 boolean alt_num_verts = count > 65535; 439 CS_LOCALS(r300); 440 441 if (count >= (1 << 24)) { 442 fprintf(stderr, "r300: Got a huge number of vertices: %i, " 443 "refusing to render.\n", count); 444 return; 445 } 446 447 BEGIN_CS(7 + (alt_num_verts ? 2 : 0)); 448 if (alt_num_verts) { 449 OUT_CS_REG(R500_VAP_ALT_NUM_VERTICES, count); 450 } 451 OUT_CS_REG(R300_GA_COLOR_CONTROL, 452 r300_provoking_vertex_fixes(r300, mode)); 453 OUT_CS_REG_SEQ(R300_VAP_VF_MAX_VTX_INDX, 2); 454 OUT_CS(count - 1); 455 OUT_CS(0); 456 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_VBUF_2, 0); 457 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_LIST | (count << 16) | 458 r300_translate_primitive(mode) | 459 (alt_num_verts ? R500_VAP_VF_CNTL__USE_ALT_NUM_VERTS : 0)); 460 END_CS; 461} 462 463static void r300_emit_draw_elements(struct r300_context *r300, 464 struct pipe_resource* indexBuffer, 465 unsigned indexSize, 466 unsigned minIndex, 467 unsigned maxIndex, 468 unsigned mode, 469 unsigned start, 470 unsigned count, 471 uint16_t *imm_indices3) 472{ 473 uint32_t count_dwords, offset_dwords; 474 boolean alt_num_verts = count > 65535; 475 CS_LOCALS(r300); 476 477 if (count >= (1 << 24)) { 478 fprintf(stderr, "r300: Got a huge number of vertices: %i, " 479 "refusing to render.\n", count); 480 return; 481 } 482 483 maxIndex = MIN2(maxIndex, r300->vertex_buffer_max_index); 484 485 DBG(r300, DBG_DRAW, "r300: Indexbuf of %u indices, min %u max %u\n", 486 count, minIndex, maxIndex); 487 488 BEGIN_CS(5); 489 OUT_CS_REG(R300_GA_COLOR_CONTROL, 490 r300_provoking_vertex_fixes(r300, mode)); 491 OUT_CS_REG_SEQ(R300_VAP_VF_MAX_VTX_INDX, 2); 492 OUT_CS(maxIndex); 493 OUT_CS(minIndex); 494 END_CS; 495 496 /* If start is odd, render the first triangle with indices embedded 497 * in the command stream. This will increase start by 3 and make it 498 * even. We can then proceed without a fallback. */ 499 if (indexSize == 2 && (start & 1) && 500 mode == PIPE_PRIM_TRIANGLES) { 501 BEGIN_CS(4); 502 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, 2); 503 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (3 << 16) | 504 R300_VAP_VF_CNTL__PRIM_TRIANGLES); 505 OUT_CS(imm_indices3[1] << 16 | imm_indices3[0]); 506 OUT_CS(imm_indices3[2]); 507 END_CS; 508 509 start += 3; 510 count -= 3; 511 if (!count) 512 return; 513 } 514 515 offset_dwords = indexSize * start / sizeof(uint32_t); 516 517 BEGIN_CS(8 + (alt_num_verts ? 2 : 0)); 518 if (alt_num_verts) { 519 OUT_CS_REG(R500_VAP_ALT_NUM_VERTICES, count); 520 } 521 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, 0); 522 if (indexSize == 4) { 523 count_dwords = count; 524 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) | 525 R300_VAP_VF_CNTL__INDEX_SIZE_32bit | 526 r300_translate_primitive(mode) | 527 (alt_num_verts ? R500_VAP_VF_CNTL__USE_ALT_NUM_VERTS : 0)); 528 } else { 529 count_dwords = (count + 1) / 2; 530 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) | 531 r300_translate_primitive(mode) | 532 (alt_num_verts ? R500_VAP_VF_CNTL__USE_ALT_NUM_VERTS : 0)); 533 } 534 535 /* INDX_BUFFER is a truly special packet3. 536 * Unlike most other packet3, where the offset is after the count, 537 * the order is reversed, so the relocation ends up carrying the 538 * size of the indexbuf instead of the offset. 539 */ 540 OUT_CS_PKT3(R300_PACKET3_INDX_BUFFER, 2); 541 OUT_CS(R300_INDX_BUFFER_ONE_REG_WR | (R300_VAP_PORT_IDX0 >> 2) | 542 (0 << R300_INDX_BUFFER_SKIP_SHIFT)); 543 OUT_CS(offset_dwords << 2); 544 OUT_CS_BUF_RELOC(indexBuffer, count_dwords, 545 r300_buffer(indexBuffer)->domain, 0); 546 547 END_CS; 548} 549 550/* This is the fast-path drawing & emission for HW TCL. */ 551static void r300_draw_range_elements(struct pipe_context* pipe, 552 struct pipe_resource* indexBuffer, 553 unsigned indexSize, 554 int indexBias, 555 unsigned minIndex, 556 unsigned maxIndex, 557 unsigned mode, 558 unsigned start, 559 unsigned count) 560{ 561 struct r300_context* r300 = r300_context(pipe); 562 struct pipe_resource* orgIndexBuffer = indexBuffer; 563 boolean alt_num_verts = r300->screen->caps.is_r500 && 564 count > 65536 && 565 r300->rws->get_value(r300->rws, R300_VID_DRM_2_3_0); 566 unsigned short_count; 567 int buffer_offset = 0, index_offset = 0; /* for index bias emulation */ 568 uint16_t indices3[3]; 569 570 if (indexBias && !r300->screen->caps.index_bias_supported) { 571 r300_split_index_bias(r300, indexBias, &buffer_offset, &index_offset); 572 } 573 574 r300_translate_index_buffer(r300, &indexBuffer, &indexSize, index_offset, 575 &start, count); 576 577 r300_update_derived_state(r300); 578 579 /* Fallback for misaligned ushort indices. */ 580 if (indexSize == 2 && (start & 1)) { 581 struct pipe_transfer *transfer; 582 struct pipe_resource *userbuf; 583 584 uint16_t *ptr = pipe_buffer_map(pipe, indexBuffer, 585 PIPE_TRANSFER_READ, &transfer); 586 587 if (mode == PIPE_PRIM_TRIANGLES) { 588 memcpy(indices3, ptr + start, 6); 589 } else { 590 /* Copy the mapped index buffer directly to the upload buffer. 591 * The start index will be aligned simply from the fact that 592 * every sub-buffer in u_upload_mgr is aligned. */ 593 userbuf = pipe->screen->user_buffer_create(pipe->screen, 594 ptr + start, count * 2, 595 PIPE_BIND_INDEX_BUFFER); 596 indexBuffer = userbuf; 597 r300_upload_index_buffer(r300, &indexBuffer, indexSize, 0, count, &start); 598 pipe_resource_reference(&userbuf, NULL); 599 } 600 pipe_buffer_unmap(pipe, transfer); 601 } else { 602 r300_upload_index_buffer(r300, &indexBuffer, indexSize, start, count, &start); 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)) 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)) 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{ 643 struct r300_context* r300 = r300_context(pipe); 644 boolean alt_num_verts = r300->screen->caps.is_r500 && 645 count > 65536 && 646 r300->rws->get_value(r300->rws, R300_VID_DRM_2_3_0); 647 unsigned short_count; 648 649 r300_update_derived_state(r300); 650 651 if (immd_is_good_idea(r300, count)) { 652 r300_emit_draw_arrays_immediate(r300, mode, start, count); 653 } else { 654 /* 9 spare dwords for emit_draw_arrays. Give up if the function fails. */ 655 if (!r300_prepare_for_rendering(r300, 656 PREP_FIRST_DRAW | PREP_VALIDATE_VBOS | PREP_EMIT_AOS, 657 NULL, 9, start, 0)) 658 return; 659 660 if (alt_num_verts || count <= 65535) { 661 r300_emit_draw_arrays(r300, mode, count); 662 } else { 663 do { 664 short_count = MIN2(count, 65535); 665 r300_emit_draw_arrays(r300, mode, short_count); 666 667 start += short_count; 668 count -= short_count; 669 670 /* 9 spare dwords for emit_draw_arrays. Give up if the function fails. */ 671 if (count) { 672 if (!r300_prepare_for_rendering(r300, 673 PREP_VALIDATE_VBOS | PREP_EMIT_AOS, NULL, 9, 674 start, 0)) 675 return; 676 } 677 } while (count); 678 } 679 } 680} 681 682static void r300_draw_vbo(struct pipe_context* pipe, 683 const struct pipe_draw_info *info) 684{ 685 struct r300_context* r300 = r300_context(pipe); 686 unsigned count = info->count; 687 boolean translate = FALSE; 688 boolean indexed = info->indexed && r300->index_buffer.buffer; 689 unsigned start_indexed = 0; 690 691 if (r300->skip_rendering) { 692 return; 693 } 694 695 if (!u_trim_pipe_prim(info->mode, &count)) { 696 return; 697 } 698 699 /* Index buffer range checking. */ 700 if (indexed) { 701 assert(r300->index_buffer.offset % r300->index_buffer.index_size == 0); 702 703 /* Compute start for draw_elements, taking the offset into account. */ 704 start_indexed = 705 info->start + 706 (r300->index_buffer.offset / r300->index_buffer.index_size); 707 708 if ((start_indexed + count) * r300->index_buffer.index_size > 709 r300->index_buffer.buffer->width0) { 710 fprintf(stderr, "r300: Invalid index buffer range. Skipping rendering.\n"); 711 return; 712 } 713 } 714 715 /* Set up fallback for incompatible vertex layout if needed. */ 716 if (r300->incompatible_vb_layout || r300->velems->incompatible_layout) { 717 r300_begin_vertex_translate(r300); 718 translate = TRUE; 719 } 720 721 if (indexed) { 722 r300_draw_range_elements(pipe, 723 r300->index_buffer.buffer, 724 r300->index_buffer.index_size, 725 info->index_bias, 726 info->min_index, 727 info->max_index, 728 info->mode, 729 start_indexed, 730 count); 731 } else { 732 r300_draw_arrays(pipe, 733 info->mode, 734 info->start, 735 count); 736 } 737 738 if (translate) { 739 r300_end_vertex_translate(r300); 740 } 741} 742 743/**************************************************************************** 744 * The rest of this file is for SW TCL rendering only. Please be polite and * 745 * keep these functions separated so that they are easier to locate. ~C. * 746 ***************************************************************************/ 747 748/* SW TCL elements, using Draw. */ 749static void r300_swtcl_draw_vbo(struct pipe_context* pipe, 750 const struct pipe_draw_info *info) 751{ 752 struct r300_context* r300 = r300_context(pipe); 753 struct pipe_transfer *vb_transfer[PIPE_MAX_ATTRIBS]; 754 struct pipe_transfer *ib_transfer = NULL; 755 unsigned count = info->count; 756 int i; 757 void *indices = NULL; 758 boolean indexed = info->indexed && r300->index_buffer.buffer; 759 760 if (r300->skip_rendering) { 761 return; 762 } 763 764 if (!u_trim_pipe_prim(info->mode, &count)) { 765 return; 766 } 767 768 r300_update_derived_state(r300); 769 770 r300_reserve_cs_dwords(r300, 771 PREP_FIRST_DRAW | PREP_EMIT_AOS_SWTCL | 772 (indexed ? PREP_INDEXED : 0), 773 indexed ? 256 : 6); 774 775 for (i = 0; i < r300->vertex_buffer_count; i++) { 776 if (r300->vertex_buffer[i].buffer) { 777 void *buf = pipe_buffer_map(pipe, 778 r300->vertex_buffer[i].buffer, 779 PIPE_TRANSFER_READ, 780 &vb_transfer[i]); 781 draw_set_mapped_vertex_buffer(r300->draw, i, buf); 782 } 783 } 784 785 if (indexed) { 786 indices = pipe_buffer_map(pipe, r300->index_buffer.buffer, 787 PIPE_TRANSFER_READ, &ib_transfer); 788 } 789 790 draw_set_mapped_index_buffer(r300->draw, indices); 791 792 r300->draw_vbo_locked = TRUE; 793 r300->draw_first_emitted = FALSE; 794 draw_vbo(r300->draw, info); 795 draw_flush(r300->draw); 796 r300->draw_vbo_locked = FALSE; 797 798 for (i = 0; i < r300->vertex_buffer_count; i++) { 799 if (r300->vertex_buffer[i].buffer) { 800 pipe_buffer_unmap(pipe, vb_transfer[i]); 801 draw_set_mapped_vertex_buffer(r300->draw, i, NULL); 802 } 803 } 804 805 if (indexed) { 806 pipe_buffer_unmap(pipe, ib_transfer); 807 draw_set_mapped_index_buffer(r300->draw, NULL); 808 } 809} 810 811/* Object for rendering using Draw. */ 812struct r300_render { 813 /* Parent class */ 814 struct vbuf_render base; 815 816 /* Pipe context */ 817 struct r300_context* r300; 818 819 /* Vertex information */ 820 size_t vertex_size; 821 unsigned prim; 822 unsigned hwprim; 823 824 /* VBO */ 825 size_t vbo_max_used; 826 void * vbo_ptr; 827 828 struct pipe_transfer *vbo_transfer; 829}; 830 831static INLINE struct r300_render* 832r300_render(struct vbuf_render* render) 833{ 834 return (struct r300_render*)render; 835} 836 837static const struct vertex_info* 838r300_render_get_vertex_info(struct vbuf_render* render) 839{ 840 struct r300_render* r300render = r300_render(render); 841 struct r300_context* r300 = r300render->r300; 842 843 return &r300->vertex_info; 844} 845 846static boolean r300_render_allocate_vertices(struct vbuf_render* render, 847 ushort vertex_size, 848 ushort count) 849{ 850 struct r300_render* r300render = r300_render(render); 851 struct r300_context* r300 = r300render->r300; 852 struct pipe_screen* screen = r300->context.screen; 853 size_t size = (size_t)vertex_size * (size_t)count; 854 855 DBG(r300, DBG_DRAW, "r300: render_allocate_vertices (size: %d)\n", size); 856 857 if (size + r300->draw_vbo_offset > r300->draw_vbo_size) 858 { 859 pipe_resource_reference(&r300->vbo, NULL); 860 r300->vbo = pipe_buffer_create(screen, 861 PIPE_BIND_VERTEX_BUFFER, 862 R300_MAX_DRAW_VBO_SIZE); 863 r300->draw_vbo_offset = 0; 864 r300->draw_vbo_size = R300_MAX_DRAW_VBO_SIZE; 865 r300->validate_buffers = TRUE; 866 } 867 868 r300render->vertex_size = vertex_size; 869 870 return (r300->vbo) ? TRUE : FALSE; 871} 872 873static void* r300_render_map_vertices(struct vbuf_render* render) 874{ 875 struct r300_render* r300render = r300_render(render); 876 struct r300_context* r300 = r300render->r300; 877 878 assert(!r300render->vbo_transfer); 879 880 DBG(r300, DBG_DRAW, "r300: render_map_vertices\n"); 881 882 r300render->vbo_ptr = pipe_buffer_map(&r300render->r300->context, 883 r300->vbo, 884 PIPE_TRANSFER_WRITE, 885 &r300render->vbo_transfer); 886 887 assert(r300render->vbo_ptr); 888 889 return ((uint8_t*)r300render->vbo_ptr + r300->draw_vbo_offset); 890} 891 892static void r300_render_unmap_vertices(struct vbuf_render* render, 893 ushort min, 894 ushort max) 895{ 896 struct r300_render* r300render = r300_render(render); 897 struct pipe_context* context = &r300render->r300->context; 898 struct r300_context* r300 = r300render->r300; 899 900 assert(r300render->vbo_transfer); 901 902 DBG(r300, DBG_DRAW, "r300: render_unmap_vertices\n"); 903 904 r300render->vbo_max_used = MAX2(r300render->vbo_max_used, 905 r300render->vertex_size * (max + 1)); 906 pipe_buffer_unmap(context, r300render->vbo_transfer); 907 908 r300render->vbo_transfer = NULL; 909} 910 911static void r300_render_release_vertices(struct vbuf_render* render) 912{ 913 struct r300_render* r300render = r300_render(render); 914 struct r300_context* r300 = r300render->r300; 915 916 DBG(r300, DBG_DRAW, "r300: render_release_vertices\n"); 917 918 r300->draw_vbo_offset += r300render->vbo_max_used; 919 r300render->vbo_max_used = 0; 920} 921 922static boolean r300_render_set_primitive(struct vbuf_render* render, 923 unsigned prim) 924{ 925 struct r300_render* r300render = r300_render(render); 926 927 r300render->prim = prim; 928 r300render->hwprim = r300_translate_primitive(prim); 929 930 return TRUE; 931} 932 933static void r300_render_draw_arrays(struct vbuf_render* render, 934 unsigned start, 935 unsigned count) 936{ 937 struct r300_render* r300render = r300_render(render); 938 struct r300_context* r300 = r300render->r300; 939 uint8_t* ptr; 940 unsigned i; 941 unsigned dwords = 6; 942 943 CS_LOCALS(r300); 944 (void) i; (void) ptr; 945 946 DBG(r300, DBG_DRAW, "r300: render_draw_arrays (count: %d)\n", count); 947 948 if (r300->draw_first_emitted) { 949 if (!r300_prepare_for_rendering(r300, 950 PREP_FIRST_DRAW | PREP_EMIT_AOS_SWTCL, 951 NULL, 6, 0, 0)) 952 return; 953 } else { 954 if (!r300_emit_states(r300, 955 PREP_FIRST_DRAW | PREP_EMIT_AOS_SWTCL, 956 NULL, 0, 0)) 957 return; 958 } 959 960 /* Uncomment to dump all VBOs rendered through this interface. 961 * Slow and noisy! 962 ptr = pipe_buffer_map(&r300render->r300->context, 963 r300render->vbo, PIPE_TRANSFER_READ, 964 &r300render->vbo_transfer); 965 966 for (i = 0; i < count; i++) { 967 printf("r300: Vertex %d\n", i); 968 draw_dump_emitted_vertex(&r300->vertex_info, ptr); 969 ptr += r300->vertex_info.size * 4; 970 printf("\n"); 971 } 972 973 pipe_buffer_unmap(&r300render->r300->context, r300render->vbo, 974 r300render->vbo_transfer); 975 */ 976 977 BEGIN_CS(dwords); 978 OUT_CS_REG(R300_GA_COLOR_CONTROL, 979 r300_provoking_vertex_fixes(r300, r300render->prim)); 980 OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, count - 1); 981 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_VBUF_2, 0); 982 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_LIST | (count << 16) | 983 r300render->hwprim); 984 END_CS; 985 986 r300->draw_first_emitted = TRUE; 987} 988 989static void r300_render_draw_elements(struct vbuf_render* render, 990 const ushort* indices, 991 uint count) 992{ 993 struct r300_render* r300render = r300_render(render); 994 struct r300_context* r300 = r300render->r300; 995 int i; 996 unsigned end_cs_dwords; 997 unsigned max_index = (r300->draw_vbo_size - r300->draw_vbo_offset) / 998 (r300render->r300->vertex_info.size * 4) - 1; 999 unsigned short_count; 1000 unsigned free_dwords; 1001 1002 CS_LOCALS(r300); 1003 DBG(r300, DBG_DRAW, "r300: render_draw_elements (count: %d)\n", count); 1004 1005 if (r300->draw_first_emitted) { 1006 if (!r300_prepare_for_rendering(r300, 1007 PREP_FIRST_DRAW | PREP_EMIT_AOS_SWTCL | PREP_INDEXED, 1008 NULL, 256, 0, 0)) 1009 return; 1010 } else { 1011 if (!r300_emit_states(r300, 1012 PREP_FIRST_DRAW | PREP_EMIT_AOS_SWTCL | PREP_INDEXED, 1013 NULL, 0, 0)) 1014 return; 1015 } 1016 1017 /* Below we manage the CS space manually because there may be more 1018 * indices than it can fit in CS. */ 1019 1020 end_cs_dwords = r300_get_num_cs_end_dwords(r300); 1021 1022 while (count) { 1023 free_dwords = R300_MAX_CMDBUF_DWORDS - r300->cs->cdw; 1024 1025 short_count = MIN2(count, (free_dwords - end_cs_dwords - 6) * 2); 1026 1027 BEGIN_CS(6 + (short_count+1)/2); 1028 OUT_CS_REG(R300_GA_COLOR_CONTROL, 1029 r300_provoking_vertex_fixes(r300, r300render->prim)); 1030 OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, max_index); 1031 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, (short_count+1)/2); 1032 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (short_count << 16) | 1033 r300render->hwprim); 1034 for (i = 0; i < short_count-1; i += 2) { 1035 OUT_CS(indices[i+1] << 16 | indices[i]); 1036 } 1037 if (short_count % 2) { 1038 OUT_CS(indices[short_count-1]); 1039 } 1040 END_CS; 1041 1042 /* OK now subtract the emitted indices and see if we need to emit 1043 * another draw packet. */ 1044 indices += short_count; 1045 count -= short_count; 1046 1047 if (count) { 1048 if (!r300_prepare_for_rendering(r300, 1049 PREP_EMIT_AOS_SWTCL | PREP_INDEXED, 1050 NULL, 256, 0, 0)) 1051 return; 1052 1053 end_cs_dwords = r300_get_num_cs_end_dwords(r300); 1054 } 1055 } 1056 1057 r300->draw_first_emitted = TRUE; 1058} 1059 1060static void r300_render_destroy(struct vbuf_render* render) 1061{ 1062 FREE(render); 1063} 1064 1065static struct vbuf_render* r300_render_create(struct r300_context* r300) 1066{ 1067 struct r300_render* r300render = CALLOC_STRUCT(r300_render); 1068 1069 r300render->r300 = r300; 1070 1071 r300render->base.max_vertex_buffer_bytes = 1024 * 1024; 1072 r300render->base.max_indices = 16 * 1024; 1073 1074 r300render->base.get_vertex_info = r300_render_get_vertex_info; 1075 r300render->base.allocate_vertices = r300_render_allocate_vertices; 1076 r300render->base.map_vertices = r300_render_map_vertices; 1077 r300render->base.unmap_vertices = r300_render_unmap_vertices; 1078 r300render->base.set_primitive = r300_render_set_primitive; 1079 r300render->base.draw_elements = r300_render_draw_elements; 1080 r300render->base.draw_arrays = r300_render_draw_arrays; 1081 r300render->base.release_vertices = r300_render_release_vertices; 1082 r300render->base.destroy = r300_render_destroy; 1083 1084 return &r300render->base; 1085} 1086 1087struct draw_stage* r300_draw_stage(struct r300_context* r300) 1088{ 1089 struct vbuf_render* render; 1090 struct draw_stage* stage; 1091 1092 render = r300_render_create(r300); 1093 1094 if (!render) { 1095 return NULL; 1096 } 1097 1098 stage = draw_vbuf_stage(r300->draw, render); 1099 1100 if (!stage) { 1101 render->destroy(render); 1102 return NULL; 1103 } 1104 1105 draw_set_render(r300->draw, render); 1106 1107 return stage; 1108} 1109 1110void r300_draw_flush_vbuf(struct r300_context *r300) 1111{ 1112 pipe_resource_reference(&r300->vbo, NULL); 1113 r300->draw_vbo_size = 0; 1114} 1115 1116/**************************************************************************** 1117 * End of SW TCL functions * 1118 ***************************************************************************/ 1119 1120/* This functions is used to draw a rectangle for the blitter module. 1121 * 1122 * If we rendered a quad, the pixels on the main diagonal 1123 * would be computed and stored twice, which makes the clear/copy codepaths 1124 * somewhat inefficient. Instead we use a rectangular point sprite. */ 1125static void r300_blitter_draw_rectangle(struct blitter_context *blitter, 1126 unsigned x1, unsigned y1, 1127 unsigned x2, unsigned y2, 1128 float depth, 1129 enum blitter_attrib_type type, 1130 const float attrib[4]) 1131{ 1132 struct r300_context *r300 = r300_context(util_blitter_get_pipe(blitter)); 1133 unsigned last_sprite_coord_enable = r300->sprite_coord_enable; 1134 unsigned width = x2 - x1; 1135 unsigned height = y2 - y1; 1136 unsigned vertex_size = 1137 type == UTIL_BLITTER_ATTRIB_COLOR || !r300->draw ? 8 : 4; 1138 unsigned dwords = 13 + vertex_size + 1139 (type == UTIL_BLITTER_ATTRIB_TEXCOORD ? 7 : 0); 1140 const float zeros[4] = {0, 0, 0, 0}; 1141 CS_LOCALS(r300); 1142 1143 r300->context.set_vertex_buffers(&r300->context, 0, NULL); 1144 1145 if (type == UTIL_BLITTER_ATTRIB_TEXCOORD) 1146 r300->sprite_coord_enable = 1; 1147 1148 r300_update_derived_state(r300); 1149 1150 /* Mark some states we don't care about as non-dirty. */ 1151 r300->clip_state.dirty = FALSE; 1152 r300->viewport_state.dirty = FALSE; 1153 1154 if (!r300_prepare_for_rendering(r300, PREP_FIRST_DRAW, NULL, dwords, 0, 0)) 1155 goto done; 1156 1157 DBG(r300, DBG_DRAW, "r300: draw_rectangle\n"); 1158 1159 BEGIN_CS(dwords); 1160 /* Set up GA. */ 1161 OUT_CS_REG(R300_GA_POINT_SIZE, (height * 6) | ((width * 6) << 16)); 1162 1163 if (type == UTIL_BLITTER_ATTRIB_TEXCOORD) { 1164 /* Set up the GA to generate texcoords. */ 1165 OUT_CS_REG(R300_GB_ENABLE, R300_GB_POINT_STUFF_ENABLE | 1166 (R300_GB_TEX_STR << R300_GB_TEX0_SOURCE_SHIFT)); 1167 OUT_CS_REG_SEQ(R300_GA_POINT_S0, 4); 1168 OUT_CS_32F(attrib[0]); 1169 OUT_CS_32F(attrib[3]); 1170 OUT_CS_32F(attrib[2]); 1171 OUT_CS_32F(attrib[1]); 1172 } 1173 1174 /* Set up VAP controls. */ 1175 OUT_CS_REG(R300_VAP_CLIP_CNTL, R300_CLIP_DISABLE); 1176 OUT_CS_REG(R300_VAP_VTE_CNTL, R300_VTX_XY_FMT | R300_VTX_Z_FMT); 1177 OUT_CS_REG(R300_VAP_VTX_SIZE, vertex_size); 1178 OUT_CS_REG_SEQ(R300_VAP_VF_MAX_VTX_INDX, 2); 1179 OUT_CS(1); 1180 OUT_CS(0); 1181 1182 /* Draw. */ 1183 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_IMMD_2, vertex_size); 1184 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_EMBEDDED | (1 << 16) | 1185 R300_VAP_VF_CNTL__PRIM_POINTS); 1186 1187 OUT_CS_32F(x1 + width * 0.5f); 1188 OUT_CS_32F(y1 + height * 0.5f); 1189 OUT_CS_32F(depth); 1190 OUT_CS_32F(1); 1191 1192 if (vertex_size == 8) { 1193 if (!attrib) 1194 attrib = zeros; 1195 OUT_CS_TABLE(attrib, 4); 1196 } 1197 END_CS; 1198 1199done: 1200 /* Restore the state. */ 1201 r300_mark_atom_dirty(r300, &r300->clip_state); 1202 r300_mark_atom_dirty(r300, &r300->rs_state); 1203 r300_mark_atom_dirty(r300, &r300->viewport_state); 1204 1205 r300->sprite_coord_enable = last_sprite_coord_enable; 1206} 1207 1208static void r300_resource_resolve(struct pipe_context* pipe, 1209 struct pipe_resource* dest, 1210 unsigned dst_layer, 1211 struct pipe_resource* src, 1212 unsigned src_layer) 1213{ 1214 struct r300_context* r300 = r300_context(pipe); 1215 struct pipe_surface* srcsurf, surf_tmpl; 1216 struct r300_aa_state *aa = (struct r300_aa_state*)r300->aa_state.state; 1217 float color[] = {0, 0, 0, 0}; 1218 1219 memset(&surf_tmpl, 0, sizeof(surf_tmpl)); 1220 surf_tmpl.format = src->format; 1221 surf_tmpl.usage = 0; /* not really a surface hence no bind flags */ 1222 surf_tmpl.u.tex.level = 0; /* msaa resources cannot have mipmaps */ 1223 surf_tmpl.u.tex.first_layer = src_layer; 1224 surf_tmpl.u.tex.last_layer = src_layer; 1225 srcsurf = pipe->create_surface(pipe, src, &surf_tmpl); 1226 surf_tmpl.format = dest->format; 1227 surf_tmpl.u.tex.first_layer = dst_layer; 1228 surf_tmpl.u.tex.last_layer = dst_layer; 1229 1230 DBG(r300, DBG_DRAW, "r300: Resolving resource...\n"); 1231 1232 /* Enable AA resolve. */ 1233 aa->dest = r300_surface(pipe->create_surface(pipe, dest, &surf_tmpl)); 1234 1235 aa->aaresolve_ctl = 1236 R300_RB3D_AARESOLVE_CTL_AARESOLVE_MODE_RESOLVE | 1237 R300_RB3D_AARESOLVE_CTL_AARESOLVE_ALPHA_AVERAGE; 1238 r300->aa_state.size = 12; 1239 r300_mark_atom_dirty(r300, &r300->aa_state); 1240 1241 /* Resolve the surface. */ 1242 r300->context.clear_render_target(pipe, 1243 srcsurf, color, 0, 0, src->width0, src->height0); 1244 1245 /* Disable AA resolve. */ 1246 aa->aaresolve_ctl = 0; 1247 r300->aa_state.size = 4; 1248 r300_mark_atom_dirty(r300, &r300->aa_state); 1249 1250 pipe_surface_reference((struct pipe_surface**)&srcsurf, NULL); 1251 pipe_surface_reference((struct pipe_surface**)&aa->dest, NULL); 1252} 1253 1254void r300_init_render_functions(struct r300_context *r300) 1255{ 1256 /* Set draw functions based on presence of HW TCL. */ 1257 if (r300->screen->caps.has_tcl) { 1258 r300->context.draw_vbo = r300_draw_vbo; 1259 } else { 1260 r300->context.draw_vbo = r300_swtcl_draw_vbo; 1261 } 1262 1263 r300->context.resource_resolve = r300_resource_resolve; 1264 r300->blitter->draw_rectangle = r300_blitter_draw_rectangle; 1265 1266 /* Plug in the two-sided stencil reference value fallback if needed. */ 1267 if (!r300->screen->caps.is_r500) 1268 r300_plug_in_stencil_ref_fallback(r300); 1269} 1270