r300_render.c revision 60628c65c902f68c600b3d79c06e928aa3286285
1/* 2 * Copyright 2009 Corbin Simpson <MostAwesomeDude@gmail.com> 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * on the rights to use, copy, modify, merge, publish, distribute, sub 8 * license, and/or sell copies of the Software, and to permit persons to whom 9 * the Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, 19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 21 * USE OR OTHER DEALINGS IN THE SOFTWARE. */ 22 23/* r300_render: Vertex and index buffer primitive emission. Contains both 24 * HW TCL fastpath rendering, and SW TCL Draw-assisted rendering. */ 25 26#include "draw/draw_context.h" 27#include "draw/draw_vbuf.h" 28 29#include "indices/u_indices.h" 30 31#include "pipe/p_inlines.h" 32 33#include "util/u_memory.h" 34#include "util/u_prim.h" 35 36#include "r300_cs.h" 37#include "r300_context.h" 38#include "r300_emit.h" 39#include "r300_reg.h" 40#include "r300_render.h" 41#include "r300_state_derived.h" 42 43/* r300_render: Vertex and index buffer primitive emission. */ 44#define R300_MAX_VBO_SIZE (1024 * 1024) 45 46uint32_t r300_translate_primitive(unsigned prim) 47{ 48 switch (prim) { 49 case PIPE_PRIM_POINTS: 50 return R300_VAP_VF_CNTL__PRIM_POINTS; 51 case PIPE_PRIM_LINES: 52 return R300_VAP_VF_CNTL__PRIM_LINES; 53 case PIPE_PRIM_LINE_LOOP: 54 return R300_VAP_VF_CNTL__PRIM_LINE_LOOP; 55 case PIPE_PRIM_LINE_STRIP: 56 return R300_VAP_VF_CNTL__PRIM_LINE_STRIP; 57 case PIPE_PRIM_TRIANGLES: 58 return R300_VAP_VF_CNTL__PRIM_TRIANGLES; 59 case PIPE_PRIM_TRIANGLE_STRIP: 60 return R300_VAP_VF_CNTL__PRIM_TRIANGLE_STRIP; 61 case PIPE_PRIM_TRIANGLE_FAN: 62 return R300_VAP_VF_CNTL__PRIM_TRIANGLE_FAN; 63 case PIPE_PRIM_QUADS: 64 return R300_VAP_VF_CNTL__PRIM_QUADS; 65 case PIPE_PRIM_QUAD_STRIP: 66 return R300_VAP_VF_CNTL__PRIM_QUAD_STRIP; 67 case PIPE_PRIM_POLYGON: 68 return R300_VAP_VF_CNTL__PRIM_POLYGON; 69 default: 70 return 0; 71 } 72} 73 74static uint32_t r300_provoking_vertex_fixes(struct r300_context *r300, 75 unsigned mode) 76{ 77 struct r300_rs_state* rs = (struct r300_rs_state*)r300->rs_state.state; 78 uint32_t color_control = rs->color_control; 79 80 /* By default (see r300_state.c:r300_create_rs_state) color_control is 81 * initialized to provoking the first vertex. 82 * 83 * Triangle fans must be reduced to the second vertex, not the first, in 84 * Gallium flatshade-first mode, as per the GL spec. 85 * (http://www.opengl.org/registry/specs/ARB/provoking_vertex.txt) 86 * 87 * Quads never provoke correctly in flatshade-first mode. The first 88 * vertex is never considered as provoking, so only the second, third, 89 * and fourth vertices can be selected, and both "third" and "last" modes 90 * select the fourth vertex. This is probably due to D3D lacking quads. 91 * 92 * Similarly, polygons reduce to the first, not the last, vertex, when in 93 * "last" mode, and all other modes start from the second vertex. 94 * 95 * ~ C. 96 */ 97 98 if (rs->rs.flatshade_first) { 99 switch (mode) { 100 case PIPE_PRIM_TRIANGLE_FAN: 101 color_control |= R300_GA_COLOR_CONTROL_PROVOKING_VERTEX_SECOND; 102 break; 103 case PIPE_PRIM_QUADS: 104 case PIPE_PRIM_QUAD_STRIP: 105 case PIPE_PRIM_POLYGON: 106 color_control |= R300_GA_COLOR_CONTROL_PROVOKING_VERTEX_LAST; 107 break; 108 default: 109 color_control |= R300_GA_COLOR_CONTROL_PROVOKING_VERTEX_FIRST; 110 break; 111 } 112 } else { 113 color_control |= R300_GA_COLOR_CONTROL_PROVOKING_VERTEX_LAST; 114 } 115 116 return color_control; 117} 118 119static void r300_emit_draw_immediate(struct r300_context *r300, 120 unsigned mode, 121 unsigned start, 122 unsigned count) 123{ 124 struct pipe_buffer* vbo = r300->vertex_buffer[0].buffer; 125 unsigned vertex_size = r300->vertex_buffer[0].stride / sizeof(float); 126 unsigned i; 127 uint32_t* map; 128 CS_LOCALS(r300); 129 130 map = (uint32_t*)pipe_buffer_map_range(r300->context.screen, vbo, 131 start * vertex_size, count * vertex_size, 132 PIPE_BUFFER_USAGE_CPU_READ); 133 134 BEGIN_CS(10 + count * vertex_size); 135 OUT_CS_REG(R300_GA_COLOR_CONTROL, 136 r300_provoking_vertex_fixes(r300, mode)); 137 OUT_CS_REG(R300_VAP_VTX_SIZE, vertex_size); 138 OUT_CS_REG(R300_VAP_VF_MIN_VTX_INDX, 0); 139 OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, count - 1); 140 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_IMMD_2, count * vertex_size); 141 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_EMBEDDED | (count << 16) | 142 r300_translate_primitive(mode)); 143 //debug_printf("r300: Immd %d verts, %d attrs\n", count, vertex_size); 144 for (i = 0; i < count * vertex_size; i++) { 145 if (i % vertex_size == 0) { 146 //debug_printf("r300: -- vert --\n"); 147 } 148 //debug_printf("r300: 0x%08x\n", *map); 149 OUT_CS(*map); 150 map++; 151 } 152 END_CS; 153 154 pipe_buffer_unmap(r300->context.screen, vbo); 155} 156 157static void r300_emit_draw_arrays(struct r300_context *r300, 158 unsigned mode, 159 unsigned count) 160{ 161 CS_LOCALS(r300); 162 163 BEGIN_CS(8); 164 OUT_CS_REG(R300_GA_COLOR_CONTROL, 165 r300_provoking_vertex_fixes(r300, mode)); 166 OUT_CS_REG(R300_VAP_VF_MIN_VTX_INDX, 0); 167 OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, count - 1); 168 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_VBUF_2, 0); 169 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_LIST | (count << 16) | 170 r300_translate_primitive(mode)); 171 END_CS; 172} 173 174static void r300_emit_draw_elements(struct r300_context *r300, 175 struct pipe_buffer* indexBuffer, 176 unsigned indexSize, 177 unsigned minIndex, 178 unsigned maxIndex, 179 unsigned mode, 180 unsigned start, 181 unsigned count) 182{ 183 uint32_t count_dwords; 184 uint32_t offset_dwords = indexSize * start / sizeof(uint32_t); 185 CS_LOCALS(r300); 186 187 /* XXX most of these are stupid */ 188 assert(indexSize == 4 || indexSize == 2); 189 assert((start * indexSize) % 4 == 0); 190 assert(offset_dwords == 0); 191 192 BEGIN_CS(14); 193 OUT_CS_REG(R300_GA_COLOR_CONTROL, 194 r300_provoking_vertex_fixes(r300, mode)); 195 OUT_CS_REG(R300_VAP_VF_MIN_VTX_INDX, minIndex); 196 OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, maxIndex); 197 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, 0); 198 if (indexSize == 4) { 199 count_dwords = count + start; 200 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) | 201 R300_VAP_VF_CNTL__INDEX_SIZE_32bit | 202 r300_translate_primitive(mode)); 203 } else { 204 count_dwords = (count + start + 1) / 2; 205 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) | 206 r300_translate_primitive(mode)); 207 } 208 209 /* INDX_BUFFER is a truly special packet3. 210 * Unlike most other packet3, where the offset is after the count, 211 * the order is reversed, so the relocation ends up carrying the 212 * size of the indexbuf instead of the offset. 213 * 214 * XXX Fix offset 215 */ 216 OUT_CS_PKT3(R300_PACKET3_INDX_BUFFER, 2); 217 OUT_CS(R300_INDX_BUFFER_ONE_REG_WR | (R300_VAP_PORT_IDX0 >> 2) | 218 (0 << R300_INDX_BUFFER_SKIP_SHIFT)); 219 OUT_CS(offset_dwords); 220 OUT_CS_RELOC(indexBuffer, count_dwords, 221 RADEON_GEM_DOMAIN_GTT, 0, 0); 222 223 END_CS; 224} 225 226 227static boolean r300_setup_vertex_buffers(struct r300_context *r300) 228{ 229 struct pipe_vertex_buffer *vbuf = r300->vertex_buffer; 230 struct pipe_vertex_element *velem = r300->vertex_element; 231 232validate: 233 for (int i = 0; i < r300->vertex_element_count; i++) { 234 if (!r300->winsys->add_buffer(r300->winsys, 235 vbuf[velem[i].vertex_buffer_index].buffer, 236 RADEON_GEM_DOMAIN_GTT, 0)) { 237 r300->context.flush(&r300->context, 0, NULL); 238 goto validate; 239 } 240 } 241 242 if (!r300->winsys->validate(r300->winsys)) { 243 r300->context.flush(&r300->context, 0, NULL); 244 return r300->winsys->validate(r300->winsys); 245 } 246 247 return TRUE; 248} 249 250static struct pipe_buffer* r300_translate_elts(struct r300_context* r300, 251 struct pipe_buffer* elts, 252 unsigned* size, 253 unsigned* mode, 254 unsigned* count) 255{ 256 struct pipe_screen* screen = r300->context.screen; 257 struct pipe_buffer* new_elts; 258 void *in_map, *out_map; 259 unsigned out_prim, out_index_size, out_nr; 260 u_translate_func out_translate; 261 262 (void)u_index_translator(~0, *mode, *size, *count, PV_LAST, PV_LAST, 263 &out_prim, &out_index_size, &out_nr, &out_translate); 264 265 debug_printf("r300: old mode %d, new mode %d\n", *mode, out_prim); 266 debug_printf("r300: old count %d, new count %d\n", *count, out_nr); 267 debug_printf("r300: old size %d, new size %d\n", *size, out_index_size); 268 269 new_elts = screen->buffer_create(screen, 32, 270 PIPE_BUFFER_USAGE_INDEX | 271 PIPE_BUFFER_USAGE_CPU_WRITE | 272 PIPE_BUFFER_USAGE_GPU_READ, 273 out_index_size * out_nr); 274 275 in_map = pipe_buffer_map(screen, elts, PIPE_BUFFER_USAGE_CPU_READ); 276 out_map = pipe_buffer_map(screen, new_elts, PIPE_BUFFER_USAGE_CPU_WRITE); 277 278 out_translate(in_map, *count, out_map); 279 280 pipe_buffer_unmap(screen, elts); 281 pipe_buffer_unmap(screen, new_elts); 282 283 *size = out_index_size; 284 *mode = out_prim; 285 *count = out_nr; 286 287 return new_elts; 288} 289 290/* This is the fast-path drawing & emission for HW TCL. */ 291void r300_draw_range_elements(struct pipe_context* pipe, 292 struct pipe_buffer* indexBuffer, 293 unsigned indexSize, 294 unsigned minIndex, 295 unsigned maxIndex, 296 unsigned mode, 297 unsigned start, 298 unsigned count) 299{ 300 struct r300_context* r300 = r300_context(pipe); 301 302 if (!u_trim_pipe_prim(mode, &count)) { 303 return; 304 } 305 306 if (count > 65535) { 307 /* XXX: use aux/indices functions to split this into smaller 308 * primitives. 309 */ 310 return; 311 } 312 313 r300_update_derived_state(r300); 314 315 if (!r300_setup_vertex_buffers(r300)) { 316 return; 317 } 318 319 struct pipe_buffer* orgIndexBuffer = indexBuffer; 320 if (indexSize == 1) { 321 indexBuffer = r300_translate_elts(r300, indexBuffer, 322 &indexSize, &mode, &count); 323 } 324 325 if (!r300->winsys->add_buffer(r300->winsys, indexBuffer, 326 RADEON_GEM_DOMAIN_GTT, 0)) { 327 goto cleanup; 328 } 329 330 if (!r300->winsys->validate(r300->winsys)) { 331 goto cleanup; 332 } 333 334 r300_emit_dirty_state(r300); 335 336 r300_emit_aos(r300, 0); 337 338 r300_emit_draw_elements(r300, indexBuffer, indexSize, minIndex, maxIndex, 339 mode, start, count); 340 341cleanup: 342 if (indexBuffer != orgIndexBuffer) { 343 pipe->screen->buffer_destroy(indexBuffer); 344 } 345} 346 347/* Simple helpers for context setup. Should probably be moved to util. */ 348void r300_draw_elements(struct pipe_context* pipe, 349 struct pipe_buffer* indexBuffer, 350 unsigned indexSize, unsigned mode, 351 unsigned start, unsigned count) 352{ 353 pipe->draw_range_elements(pipe, indexBuffer, indexSize, 0, ~0, 354 mode, start, count); 355} 356 357void r300_draw_arrays(struct pipe_context* pipe, unsigned mode, 358 unsigned start, unsigned count) 359{ 360 struct r300_context* r300 = r300_context(pipe); 361 362 if (!u_trim_pipe_prim(mode, &count)) { 363 return; 364 } 365 366 if (count > 65535) { 367 /* XXX: driver needs to handle this -- use the functions in 368 * aux/indices to split this into several smaller primitives. 369 */ 370 return; 371 } 372 373 r300_update_derived_state(r300); 374 375 if (!r300_setup_vertex_buffers(r300)) { 376 return; 377 } 378 379 r300_emit_dirty_state(r300); 380 381 if (FALSE && count <= 4 && r300->vertex_buffer_count == 1) { 382 r300_emit_draw_immediate(r300, mode, start, count); 383 } else { 384 r300_emit_aos(r300, start); 385 r300_emit_draw_arrays(r300, mode, count); 386 } 387} 388 389/**************************************************************************** 390 * The rest of this file is for SW TCL rendering only. Please be polite and * 391 * keep these functions separated so that they are easier to locate. ~C. * 392 ***************************************************************************/ 393 394/* SW TCL arrays, using Draw. */ 395void r300_swtcl_draw_arrays(struct pipe_context* pipe, 396 unsigned mode, 397 unsigned start, 398 unsigned count) 399{ 400 struct r300_context* r300 = r300_context(pipe); 401 int i; 402 403 if (!u_trim_pipe_prim(mode, &count)) { 404 return; 405 } 406 407 for (i = 0; i < r300->vertex_buffer_count; i++) { 408 void* buf = pipe_buffer_map(pipe->screen, 409 r300->vertex_buffer[i].buffer, 410 PIPE_BUFFER_USAGE_CPU_READ); 411 draw_set_mapped_vertex_buffer(r300->draw, i, buf); 412 } 413 414 draw_set_mapped_element_buffer(r300->draw, 0, NULL); 415 416 draw_set_mapped_constant_buffer(r300->draw, 417 PIPE_SHADER_VERTEX, 418 r300->shader_constants[PIPE_SHADER_VERTEX].constants, 419 r300->shader_constants[PIPE_SHADER_VERTEX].count * 420 (sizeof(float) * 4)); 421 422 draw_arrays(r300->draw, mode, start, count); 423 424 for (i = 0; i < r300->vertex_buffer_count; i++) { 425 pipe_buffer_unmap(pipe->screen, r300->vertex_buffer[i].buffer); 426 draw_set_mapped_vertex_buffer(r300->draw, i, NULL); 427 } 428} 429 430/* SW TCL elements, using Draw. */ 431void r300_swtcl_draw_range_elements(struct pipe_context* pipe, 432 struct pipe_buffer* indexBuffer, 433 unsigned indexSize, 434 unsigned minIndex, 435 unsigned maxIndex, 436 unsigned mode, 437 unsigned start, 438 unsigned count) 439{ 440 struct r300_context* r300 = r300_context(pipe); 441 int i; 442 void* indices; 443 444 if (!u_trim_pipe_prim(mode, &count)) { 445 return; 446 } 447 448 for (i = 0; i < r300->vertex_buffer_count; i++) { 449 void* buf = pipe_buffer_map(pipe->screen, 450 r300->vertex_buffer[i].buffer, 451 PIPE_BUFFER_USAGE_CPU_READ); 452 draw_set_mapped_vertex_buffer(r300->draw, i, buf); 453 } 454 455 indices = pipe_buffer_map(pipe->screen, indexBuffer, 456 PIPE_BUFFER_USAGE_CPU_READ); 457 draw_set_mapped_element_buffer_range(r300->draw, indexSize, 458 minIndex, maxIndex, indices); 459 460 draw_set_mapped_constant_buffer(r300->draw, 461 PIPE_SHADER_VERTEX, 462 r300->shader_constants[PIPE_SHADER_VERTEX].constants, 463 r300->shader_constants[PIPE_SHADER_VERTEX].count * 464 (sizeof(float) * 4)); 465 466 draw_arrays(r300->draw, mode, start, count); 467 468 for (i = 0; i < r300->vertex_buffer_count; i++) { 469 pipe_buffer_unmap(pipe->screen, r300->vertex_buffer[i].buffer); 470 draw_set_mapped_vertex_buffer(r300->draw, i, NULL); 471 } 472 473 pipe_buffer_unmap(pipe->screen, indexBuffer); 474 draw_set_mapped_element_buffer_range(r300->draw, 0, start, 475 start + count - 1, NULL); 476} 477 478/* Object for rendering using Draw. */ 479struct r300_render { 480 /* Parent class */ 481 struct vbuf_render base; 482 483 /* Pipe context */ 484 struct r300_context* r300; 485 486 /* Vertex information */ 487 size_t vertex_size; 488 unsigned prim; 489 unsigned hwprim; 490 491 /* VBO */ 492 struct pipe_buffer* vbo; 493 size_t vbo_size; 494 size_t vbo_offset; 495 size_t vbo_max_used; 496 void * vbo_ptr; 497}; 498 499static INLINE struct r300_render* 500r300_render(struct vbuf_render* render) 501{ 502 return (struct r300_render*)render; 503} 504 505static const struct vertex_info* 506r300_render_get_vertex_info(struct vbuf_render* render) 507{ 508 struct r300_render* r300render = r300_render(render); 509 struct r300_context* r300 = r300render->r300; 510 511 r300_update_derived_state(r300); 512 513 return &r300->vertex_info->vinfo; 514} 515 516static boolean r300_render_allocate_vertices(struct vbuf_render* render, 517 ushort vertex_size, 518 ushort count) 519{ 520 struct r300_render* r300render = r300_render(render); 521 struct r300_context* r300 = r300render->r300; 522 struct pipe_screen* screen = r300->context.screen; 523 size_t size = (size_t)vertex_size * (size_t)count; 524 525 if (size + r300render->vbo_offset > r300render->vbo_size) 526 { 527 pipe_buffer_reference(&r300->vbo, NULL); 528 r300render->vbo = pipe_buffer_create(screen, 529 64, 530 PIPE_BUFFER_USAGE_VERTEX, 531 R300_MAX_VBO_SIZE); 532 r300render->vbo_offset = 0; 533 r300render->vbo_size = R300_MAX_VBO_SIZE; 534 } 535 536 r300render->vertex_size = vertex_size; 537 r300->vbo = r300render->vbo; 538 r300->vbo_offset = r300render->vbo_offset; 539 540 return (r300render->vbo) ? TRUE : FALSE; 541} 542 543static void* r300_render_map_vertices(struct vbuf_render* render) 544{ 545 struct r300_render* r300render = r300_render(render); 546 struct pipe_screen* screen = r300render->r300->context.screen; 547 548 r300render->vbo_ptr = pipe_buffer_map(screen, r300render->vbo, 549 PIPE_BUFFER_USAGE_CPU_WRITE); 550 551 return ((uint8_t*)r300render->vbo_ptr + r300render->vbo_offset); 552} 553 554static void r300_render_unmap_vertices(struct vbuf_render* render, 555 ushort min, 556 ushort max) 557{ 558 struct r300_render* r300render = r300_render(render); 559 struct pipe_screen* screen = r300render->r300->context.screen; 560 CS_LOCALS(r300render->r300); 561 BEGIN_CS(2); 562 OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, max); 563 END_CS; 564 565 r300render->vbo_max_used = MAX2(r300render->vbo_max_used, 566 r300render->vertex_size * (max + 1)); 567 pipe_buffer_unmap(screen, r300render->vbo); 568} 569 570static void r300_render_release_vertices(struct vbuf_render* render) 571{ 572 struct r300_render* r300render = r300_render(render); 573 574 r300render->vbo_offset += r300render->vbo_max_used; 575 r300render->vbo_max_used = 0; 576} 577 578static boolean r300_render_set_primitive(struct vbuf_render* render, 579 unsigned prim) 580{ 581 struct r300_render* r300render = r300_render(render); 582 583 r300render->prim = prim; 584 r300render->hwprim = r300_translate_primitive(prim); 585 586 return TRUE; 587} 588 589static void r300_render_draw_arrays(struct vbuf_render* render, 590 unsigned start, 591 unsigned count) 592{ 593 struct r300_render* r300render = r300_render(render); 594 struct r300_context* r300 = r300render->r300; 595 596 CS_LOCALS(r300); 597 598 r300_emit_dirty_state(r300); 599 600 DBG(r300, DBG_DRAW, "r300: Doing vbuf render, count %d\n", count); 601 602 BEGIN_CS(2); 603 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_VBUF_2, 0); 604 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_LIST | (count << 16) | 605 r300render->hwprim); 606 END_CS; 607} 608 609static void r300_render_draw(struct vbuf_render* render, 610 const ushort* indices, 611 uint count) 612{ 613 struct r300_render* r300render = r300_render(render); 614 struct r300_context* r300 = r300render->r300; 615 int i; 616 617 CS_LOCALS(r300); 618 619 r300_emit_dirty_state(r300); 620 621 BEGIN_CS(2 + (count+1)/2); 622 OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, (count+1)/2); 623 OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) | 624 r300render->hwprim); 625 for (i = 0; i < count-1; i += 2) { 626 OUT_CS(indices[i+1] << 16 | indices[i]); 627 } 628 if (count % 2) { 629 OUT_CS(indices[count-1]); 630 } 631 END_CS; 632} 633 634static void r300_render_destroy(struct vbuf_render* render) 635{ 636 FREE(render); 637} 638 639static struct vbuf_render* r300_render_create(struct r300_context* r300) 640{ 641 struct r300_render* r300render = CALLOC_STRUCT(r300_render); 642 643 r300render->r300 = r300; 644 645 /* XXX find real numbers plz */ 646 r300render->base.max_vertex_buffer_bytes = 128 * 1024; 647 r300render->base.max_indices = 16 * 1024; 648 649 r300render->base.get_vertex_info = r300_render_get_vertex_info; 650 r300render->base.allocate_vertices = r300_render_allocate_vertices; 651 r300render->base.map_vertices = r300_render_map_vertices; 652 r300render->base.unmap_vertices = r300_render_unmap_vertices; 653 r300render->base.set_primitive = r300_render_set_primitive; 654 r300render->base.draw = r300_render_draw; 655 r300render->base.draw_arrays = r300_render_draw_arrays; 656 r300render->base.release_vertices = r300_render_release_vertices; 657 r300render->base.destroy = r300_render_destroy; 658 659 r300render->vbo = NULL; 660 r300render->vbo_size = 0; 661 r300render->vbo_offset = 0; 662 663 return &r300render->base; 664} 665 666struct draw_stage* r300_draw_stage(struct r300_context* r300) 667{ 668 struct vbuf_render* render; 669 struct draw_stage* stage; 670 671 render = r300_render_create(r300); 672 673 if (!render) { 674 return NULL; 675 } 676 677 stage = draw_vbuf_stage(r300->draw, render); 678 679 if (!stage) { 680 render->destroy(render); 681 return NULL; 682 } 683 684 draw_set_render(r300->draw, render); 685 686 return stage; 687} 688