r300_state.c revision 6a448a525baf81173f92ee8c3074b98baa54397b
1/* 2 * Copyright 2008 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#include "draw/draw_context.h" 24 25#include "util/u_debug.h" 26#include "util/u_math.h" 27#include "util/u_memory.h" 28#include "util/u_pack_color.h" 29 30#include "tgsi/tgsi_parse.h" 31 32#include "pipe/p_config.h" 33#include "pipe/internal/p_winsys_screen.h" 34 35#include "r300_context.h" 36#include "r300_reg.h" 37#include "r300_screen.h" 38#include "r300_state_inlines.h" 39#include "r300_fs.h" 40#include "r300_vs.h" 41 42/* r300_state: Functions used to intialize state context by translating 43 * Gallium state objects into semi-native r300 state objects. */ 44 45/* Create a new blend state based on the CSO blend state. 46 * 47 * This encompasses alpha blending, logic/raster ops, and blend dithering. */ 48static void* r300_create_blend_state(struct pipe_context* pipe, 49 const struct pipe_blend_state* state) 50{ 51 struct r300_blend_state* blend = CALLOC_STRUCT(r300_blend_state); 52 53 { 54 unsigned eqRGB = state->rgb_func; 55 unsigned srcRGB = state->rgb_src_factor; 56 unsigned dstRGB = state->rgb_dst_factor; 57 58 unsigned eqA = state->alpha_func; 59 unsigned srcA = state->alpha_src_factor; 60 unsigned dstA = state->alpha_dst_factor; 61 62 if (srcA != srcRGB || 63 dstA != dstRGB || 64 eqA != eqRGB) { 65 blend->alpha_blend_control = 66 r300_translate_blend_function(eqA) | 67 (r300_translate_blend_factor(srcA) << 68 R300_SRC_BLEND_SHIFT) | 69 (r300_translate_blend_factor(dstA) << 70 R300_DST_BLEND_SHIFT); 71 blend->blend_control |= R300_ALPHA_BLEND_ENABLE | 72 R300_SEPARATE_ALPHA_ENABLE; 73 } else { 74 blend->alpha_blend_control = R300_COMB_FCN_ADD_CLAMP | 75 (R300_BLEND_GL_ONE << R300_SRC_BLEND_SHIFT) | 76 (R300_BLEND_GL_ZERO << R300_DST_BLEND_SHIFT); 77 } 78 } 79 if (state->blend_enable) { 80 /* XXX for now, always do separate alpha... 81 * is it faster to do it with one reg? */ 82 blend->blend_control |= R300_READ_ENABLE | 83 r300_translate_blend_function(state->rgb_func) | 84 (r300_translate_blend_factor(state->rgb_src_factor) << 85 R300_SRC_BLEND_SHIFT) | 86 (r300_translate_blend_factor(state->rgb_dst_factor) << 87 R300_DST_BLEND_SHIFT); 88 } else { 89 blend->blend_control = 90 R300_COMB_FCN_ADD_CLAMP | 91 (R300_BLEND_GL_ONE << R300_SRC_BLEND_SHIFT) | 92 (R300_BLEND_GL_ZERO << R300_DST_BLEND_SHIFT); 93 } 94 95 /* PIPE_LOGICOP_* don't need to be translated, fortunately. */ 96 if (state->logicop_enable) { 97 blend->rop = R300_RB3D_ROPCNTL_ROP_ENABLE | 98 (state->logicop_func) << R300_RB3D_ROPCNTL_ROP_SHIFT; 99 } 100 101 if (state->dither) { 102 blend->dither = R300_RB3D_DITHER_CTL_DITHER_MODE_LUT | 103 R300_RB3D_DITHER_CTL_ALPHA_DITHER_MODE_LUT; 104 } 105 106 return (void*)blend; 107} 108 109/* Bind blend state. */ 110static void r300_bind_blend_state(struct pipe_context* pipe, 111 void* state) 112{ 113 struct r300_context* r300 = r300_context(pipe); 114 115 r300->blend_state = (struct r300_blend_state*)state; 116 r300->dirty_state |= R300_NEW_BLEND; 117} 118 119/* Free blend state. */ 120static void r300_delete_blend_state(struct pipe_context* pipe, 121 void* state) 122{ 123 FREE(state); 124} 125 126/* Set blend color. 127 * Setup both R300 and R500 registers, figure out later which one to write. */ 128static void r300_set_blend_color(struct pipe_context* pipe, 129 const struct pipe_blend_color* color) 130{ 131 struct r300_context* r300 = r300_context(pipe); 132 ubyte ur, ug, ub, ua; 133 134 ur = float_to_ubyte(color->color[0]); 135 ug = float_to_ubyte(color->color[1]); 136 ub = float_to_ubyte(color->color[2]); 137 ua = float_to_ubyte(color->color[3]); 138 139 util_pack_color(color->color, PIPE_FORMAT_A8R8G8B8_UNORM, 140 &r300->blend_color_state->blend_color); 141 142 /* XXX this is wrong */ 143 r300->blend_color_state->blend_color_red_alpha = ur | (ua << 16); 144 r300->blend_color_state->blend_color_green_blue = ub | (ug << 16); 145 146 r300->dirty_state |= R300_NEW_BLEND_COLOR; 147} 148 149static void r300_set_clip_state(struct pipe_context* pipe, 150 const struct pipe_clip_state* state) 151{ 152 struct r300_context* r300 = r300_context(pipe); 153 154 if (r300_screen(pipe->screen)->caps->has_tcl) { 155 r300->clip_state = *state; 156 r300->dirty_state |= R300_NEW_CLIP; 157 } else { 158 draw_flush(r300->draw); 159 draw_set_clip_state(r300->draw, state); 160 } 161} 162 163static void 164 r300_set_constant_buffer(struct pipe_context* pipe, 165 uint shader, uint index, 166 const struct pipe_constant_buffer* buffer) 167{ 168 struct r300_context* r300 = r300_context(pipe); 169 170 /* This entire chunk of code seems ever-so-slightly baked. 171 * It's as if I've got pipe_buffer* matryoshkas... */ 172 if (buffer && buffer->buffer && buffer->buffer->size) { 173 void* map = pipe->winsys->buffer_map(pipe->winsys, buffer->buffer, 174 PIPE_BUFFER_USAGE_CPU_READ); 175 memcpy(r300->shader_constants[shader].constants, 176 map, buffer->buffer->size); 177 pipe->winsys->buffer_unmap(pipe->winsys, buffer->buffer); 178 179 r300->shader_constants[shader].count = 180 buffer->buffer->size / (sizeof(float) * 4); 181 } else { 182 r300->shader_constants[shader].count = 0; 183 } 184 185 r300->dirty_state |= R300_NEW_CONSTANTS; 186} 187 188/* Create a new depth, stencil, and alpha state based on the CSO dsa state. 189 * 190 * This contains the depth buffer, stencil buffer, alpha test, and such. 191 * On the Radeon, depth and stencil buffer setup are intertwined, which is 192 * the reason for some of the strange-looking assignments across registers. */ 193static void* 194 r300_create_dsa_state(struct pipe_context* pipe, 195 const struct pipe_depth_stencil_alpha_state* state) 196{ 197 struct r300_dsa_state* dsa = CALLOC_STRUCT(r300_dsa_state); 198 199 /* Depth test setup. */ 200 if (state->depth.enabled) { 201 dsa->z_buffer_control |= R300_Z_ENABLE; 202 203 if (state->depth.writemask) { 204 dsa->z_buffer_control |= R300_Z_WRITE_ENABLE; 205 } 206 207 dsa->z_stencil_control |= 208 (r300_translate_depth_stencil_function(state->depth.func) << 209 R300_Z_FUNC_SHIFT); 210 } 211 212 /* Stencil buffer setup. */ 213 if (state->stencil[0].enabled) { 214 dsa->z_buffer_control |= R300_STENCIL_ENABLE; 215 dsa->z_stencil_control |= 216 (r300_translate_depth_stencil_function(state->stencil[0].func) << 217 R300_S_FRONT_FUNC_SHIFT) | 218 (r300_translate_stencil_op(state->stencil[0].fail_op) << 219 R300_S_FRONT_SFAIL_OP_SHIFT) | 220 (r300_translate_stencil_op(state->stencil[0].zpass_op) << 221 R300_S_FRONT_ZPASS_OP_SHIFT) | 222 (r300_translate_stencil_op(state->stencil[0].zfail_op) << 223 R300_S_FRONT_ZFAIL_OP_SHIFT); 224 225 dsa->stencil_ref_mask = (state->stencil[0].ref_value) | 226 (state->stencil[0].valuemask << R300_STENCILMASK_SHIFT) | 227 (state->stencil[0].writemask << R300_STENCILWRITEMASK_SHIFT); 228 229 if (state->stencil[1].enabled) { 230 dsa->z_buffer_control |= R300_STENCIL_FRONT_BACK; 231 dsa->z_stencil_control |= 232 (r300_translate_depth_stencil_function(state->stencil[1].func) << 233 R300_S_BACK_FUNC_SHIFT) | 234 (r300_translate_stencil_op(state->stencil[1].fail_op) << 235 R300_S_BACK_SFAIL_OP_SHIFT) | 236 (r300_translate_stencil_op(state->stencil[1].zpass_op) << 237 R300_S_BACK_ZPASS_OP_SHIFT) | 238 (r300_translate_stencil_op(state->stencil[1].zfail_op) << 239 R300_S_BACK_ZFAIL_OP_SHIFT); 240 241 dsa->stencil_ref_bf = (state->stencil[1].ref_value) | 242 (state->stencil[1].valuemask << R300_STENCILMASK_SHIFT) | 243 (state->stencil[1].writemask << R300_STENCILWRITEMASK_SHIFT); 244 } 245 } 246 247 /* Alpha test setup. */ 248 if (state->alpha.enabled) { 249 dsa->alpha_function = 250 r300_translate_alpha_function(state->alpha.func) | 251 R300_FG_ALPHA_FUNC_ENABLE; 252 dsa->alpha_reference = CLAMP(state->alpha.ref_value * 1023.0f, 253 0, 1023); 254 } 255 256 return (void*)dsa; 257} 258 259/* Bind DSA state. */ 260static void r300_bind_dsa_state(struct pipe_context* pipe, 261 void* state) 262{ 263 struct r300_context* r300 = r300_context(pipe); 264 265 r300->dsa_state = (struct r300_dsa_state*)state; 266 r300->dirty_state |= R300_NEW_DSA; 267} 268 269/* Free DSA state. */ 270static void r300_delete_dsa_state(struct pipe_context* pipe, 271 void* state) 272{ 273 FREE(state); 274} 275 276static void r300_set_edgeflags(struct pipe_context* pipe, 277 const unsigned* bitfield) 278{ 279 /* XXX you know it's bad when i915 has this blank too */ 280 /* XXX and even worse, I have no idea WTF the bitfield is */ 281} 282 283static void 284 r300_set_framebuffer_state(struct pipe_context* pipe, 285 const struct pipe_framebuffer_state* state) 286{ 287 struct r300_context* r300 = r300_context(pipe); 288 289 draw_flush(r300->draw); 290 291 r300->framebuffer_state = *state; 292 293 r300->dirty_state |= R300_NEW_FRAMEBUFFERS; 294} 295 296/* Create fragment shader state. */ 297static void* r300_create_fs_state(struct pipe_context* pipe, 298 const struct pipe_shader_state* shader) 299{ 300 struct r300_fragment_shader* fs = NULL; 301 302 fs = (struct r300_fragment_shader*)CALLOC_STRUCT(r300_fragment_shader); 303 304 /* Copy state directly into shader. */ 305 fs->state = *shader; 306 fs->state.tokens = tgsi_dup_tokens(shader->tokens); 307 308 tgsi_scan_shader(shader->tokens, &fs->info); 309 310 return (void*)fs; 311} 312 313/* Bind fragment shader state. */ 314static void r300_bind_fs_state(struct pipe_context* pipe, void* shader) 315{ 316 struct r300_context* r300 = r300_context(pipe); 317 struct r300_fragment_shader* fs = (struct r300_fragment_shader*)shader; 318 319 if (fs == NULL) { 320 r300->fs = NULL; 321 return; 322 } else if (!fs->translated) { 323 r300_translate_fragment_shader(r300, fs); 324 } 325 326 r300->fs = fs; 327 328 r300->dirty_state |= R300_NEW_FRAGMENT_SHADER; 329} 330 331/* Delete fragment shader state. */ 332static void r300_delete_fs_state(struct pipe_context* pipe, void* shader) 333{ 334 struct r300_fragment_shader* fs = (struct r300_fragment_shader*)shader; 335 rc_constants_destroy(&fs->code.constants); 336 FREE((void*)fs->state.tokens); 337 FREE(shader); 338} 339 340static void r300_set_polygon_stipple(struct pipe_context* pipe, 341 const struct pipe_poly_stipple* state) 342{ 343 /* XXX no idea how to set this up, but not terribly important */ 344} 345 346/* Create a new rasterizer state based on the CSO rasterizer state. 347 * 348 * This is a very large chunk of state, and covers most of the graphics 349 * backend (GB), geometry assembly (GA), and setup unit (SU) blocks. 350 * 351 * In a not entirely unironic sidenote, this state has nearly nothing to do 352 * with the actual block on the Radeon called the rasterizer (RS). */ 353static void* r300_create_rs_state(struct pipe_context* pipe, 354 const struct pipe_rasterizer_state* state) 355{ 356 struct r300_rs_state* rs = CALLOC_STRUCT(r300_rs_state); 357 358 /* Copy rasterizer state for Draw. */ 359 rs->rs = *state; 360 361 rs->enable_vte = !state->bypass_vs_clip_and_viewport; 362 363#ifdef PIPE_ARCH_LITTLE_ENDIAN 364 rs->vap_control_status = R300_VC_NO_SWAP; 365#else 366 rs->vap_control_status = R300_VC_32BIT_SWAP; 367#endif 368 369 /* If bypassing TCL, or if no TCL engine is present, turn off the HW TCL. 370 * Else, enable HW TCL and force Draw's TCL off. */ 371 if (state->bypass_vs_clip_and_viewport || 372 !r300_screen(pipe->screen)->caps->has_tcl) { 373 rs->vap_control_status |= R300_VAP_TCL_BYPASS; 374 } else { 375 rs->rs.bypass_vs_clip_and_viewport = TRUE; 376 } 377 378 rs->point_size = pack_float_16_6x(state->point_size) | 379 (pack_float_16_6x(state->point_size) << R300_POINTSIZE_X_SHIFT); 380 381 rs->point_minmax = 382 ((int)(state->point_size_min * 6.0) << 383 R300_GA_POINT_MINMAX_MIN_SHIFT) | 384 ((int)(state->point_size_max * 6.0) << 385 R300_GA_POINT_MINMAX_MAX_SHIFT); 386 387 rs->line_control = pack_float_16_6x(state->line_width) | 388 R300_GA_LINE_CNTL_END_TYPE_COMP; 389 390 /* Radeons don't think in "CW/CCW", they think in "front/back". */ 391 if (state->front_winding == PIPE_WINDING_CW) { 392 rs->cull_mode = R300_FRONT_FACE_CW; 393 394 if (state->offset_cw) { 395 rs->polygon_offset_enable |= R300_FRONT_ENABLE; 396 } 397 if (state->offset_ccw) { 398 rs->polygon_offset_enable |= R300_BACK_ENABLE; 399 } 400 } else { 401 rs->cull_mode = R300_FRONT_FACE_CCW; 402 403 if (state->offset_ccw) { 404 rs->polygon_offset_enable |= R300_FRONT_ENABLE; 405 } 406 if (state->offset_cw) { 407 rs->polygon_offset_enable |= R300_BACK_ENABLE; 408 } 409 } 410 if (state->front_winding & state->cull_mode) { 411 rs->cull_mode |= R300_CULL_FRONT; 412 } 413 if (~(state->front_winding) & state->cull_mode) { 414 rs->cull_mode |= R300_CULL_BACK; 415 } 416 417 if (rs->polygon_offset_enable) { 418 rs->depth_offset_front = rs->depth_offset_back = 419 fui(state->offset_units); 420 rs->depth_scale_front = rs->depth_scale_back = 421 fui(state->offset_scale); 422 } 423 424 if (state->line_stipple_enable) { 425 rs->line_stipple_config = 426 R300_GA_LINE_STIPPLE_CONFIG_LINE_RESET_LINE | 427 (fui((float)state->line_stipple_factor) & 428 R300_GA_LINE_STIPPLE_CONFIG_STIPPLE_SCALE_MASK); 429 /* XXX this might need to be scaled up */ 430 rs->line_stipple_value = state->line_stipple_pattern; 431 } 432 433 if (state->flatshade) { 434 rs->color_control = R300_SHADE_MODEL_FLAT; 435 } else { 436 rs->color_control = R300_SHADE_MODEL_SMOOTH; 437 } 438 439 if (!state->flatshade_first) { 440 rs->color_control |= R300_GA_COLOR_CONTROL_PROVOKING_VERTEX_LAST; 441 } 442 443 return (void*)rs; 444} 445 446/* Bind rasterizer state. */ 447static void r300_bind_rs_state(struct pipe_context* pipe, void* state) 448{ 449 struct r300_context* r300 = r300_context(pipe); 450 struct r300_rs_state* rs = (struct r300_rs_state*)state; 451 452 draw_flush(r300->draw); 453 draw_set_rasterizer_state(r300->draw, &rs->rs); 454 455 r300->rs_state = rs; 456 r300->dirty_state |= R300_NEW_RASTERIZER; 457 r300->dirty_state |= R300_NEW_RS_BLOCK; 458 r300->dirty_state |= R300_NEW_SCISSOR; 459 r300->dirty_state |= R300_NEW_VIEWPORT; 460} 461 462/* Free rasterizer state. */ 463static void r300_delete_rs_state(struct pipe_context* pipe, void* state) 464{ 465 FREE(state); 466} 467 468static void* 469 r300_create_sampler_state(struct pipe_context* pipe, 470 const struct pipe_sampler_state* state) 471{ 472 struct r300_context* r300 = r300_context(pipe); 473 struct r300_sampler_state* sampler = CALLOC_STRUCT(r300_sampler_state); 474 int lod_bias; 475 476 sampler->filter0 |= 477 (r300_translate_wrap(state->wrap_s) << R300_TX_WRAP_S_SHIFT) | 478 (r300_translate_wrap(state->wrap_t) << R300_TX_WRAP_T_SHIFT) | 479 (r300_translate_wrap(state->wrap_r) << R300_TX_WRAP_R_SHIFT); 480 481 sampler->filter0 |= r300_translate_tex_filters(state->min_img_filter, 482 state->mag_img_filter, 483 state->min_mip_filter); 484 485 lod_bias = CLAMP((int)(state->lod_bias * 32), -(1 << 9), (1 << 9) - 1); 486 487 sampler->filter1 |= lod_bias << R300_LOD_BIAS_SHIFT; 488 489 sampler->filter1 |= r300_anisotropy(state->max_anisotropy); 490 491 util_pack_color(state->border_color, PIPE_FORMAT_A8R8G8B8_UNORM, 492 &sampler->border_color); 493 494 /* R500-specific fixups and optimizations */ 495 if (r300_screen(r300->context.screen)->caps->is_r500) { 496 sampler->filter1 |= R500_BORDER_FIX; 497 } 498 499 return (void*)sampler; 500} 501 502static void r300_bind_sampler_states(struct pipe_context* pipe, 503 unsigned count, 504 void** states) 505{ 506 struct r300_context* r300 = r300_context(pipe); 507 int i; 508 509 if (count > 8) { 510 return; 511 } 512 513 for (i = 0; i < count; i++) { 514 if (r300->sampler_states[i] != states[i]) { 515 r300->sampler_states[i] = (struct r300_sampler_state*)states[i]; 516 r300->dirty_state |= (R300_NEW_SAMPLER << i); 517 } 518 } 519 520 r300->sampler_count = count; 521} 522 523static void r300_delete_sampler_state(struct pipe_context* pipe, void* state) 524{ 525 FREE(state); 526} 527 528static void r300_set_sampler_textures(struct pipe_context* pipe, 529 unsigned count, 530 struct pipe_texture** texture) 531{ 532 struct r300_context* r300 = r300_context(pipe); 533 int i; 534 535 /* XXX magic num */ 536 if (count > 8) { 537 return; 538 } 539 540 for (i = 0; i < count; i++) { 541 if (r300->textures[i] != (struct r300_texture*)texture[i]) { 542 pipe_texture_reference((struct pipe_texture**)&r300->textures[i], 543 texture[i]); 544 r300->dirty_state |= (R300_NEW_TEXTURE << i); 545 } 546 } 547 548 for (i = count; i < 8; i++) { 549 if (r300->textures[i]) { 550 pipe_texture_reference((struct pipe_texture**)&r300->textures[i], 551 NULL); 552 r300->dirty_state |= (R300_NEW_TEXTURE << i); 553 } 554 } 555 556 r300->texture_count = count; 557} 558 559static void r300_set_scissor_state(struct pipe_context* pipe, 560 const struct pipe_scissor_state* state) 561{ 562 struct r300_context* r300 = r300_context(pipe); 563 564 if (r300_screen(r300->context.screen)->caps->is_r500) { 565 r300->scissor_state->scissor_top_left = 566 (state->minx << R300_SCISSORS_X_SHIFT) | 567 (state->miny << R300_SCISSORS_Y_SHIFT); 568 r300->scissor_state->scissor_bottom_right = 569 ((state->maxx - 1) << R300_SCISSORS_X_SHIFT) | 570 ((state->maxy - 1) << R300_SCISSORS_Y_SHIFT); 571 } else { 572 /* Offset of 1440 in non-R500 chipsets. */ 573 r300->scissor_state->scissor_top_left = 574 ((state->minx + 1440) << R300_SCISSORS_X_SHIFT) | 575 ((state->miny + 1440) << R300_SCISSORS_Y_SHIFT); 576 r300->scissor_state->scissor_bottom_right = 577 (((state->maxx - 1) + 1440) << R300_SCISSORS_X_SHIFT) | 578 (((state->maxy - 1) + 1440) << R300_SCISSORS_Y_SHIFT); 579 } 580 581 r300->dirty_state |= R300_NEW_SCISSOR; 582} 583 584static void r300_set_viewport_state(struct pipe_context* pipe, 585 const struct pipe_viewport_state* state) 586{ 587 struct r300_context* r300 = r300_context(pipe); 588 589 /* Do the transform in HW. */ 590 r300->viewport_state->vte_control = R300_VTX_W0_FMT; 591 592 if (state->scale[0] != 1.0f) { 593 assert(state->scale[0] != 0.0f); 594 r300->viewport_state->xscale = state->scale[0]; 595 r300->viewport_state->vte_control |= R300_VPORT_X_SCALE_ENA; 596 } 597 if (state->scale[1] != 1.0f) { 598 assert(state->scale[1] != 0.0f); 599 r300->viewport_state->yscale = state->scale[1]; 600 r300->viewport_state->vte_control |= R300_VPORT_Y_SCALE_ENA; 601 } 602 if (state->scale[2] != 1.0f) { 603 assert(state->scale[2] != 0.0f); 604 r300->viewport_state->zscale = state->scale[2]; 605 r300->viewport_state->vte_control |= R300_VPORT_Z_SCALE_ENA; 606 } 607 if (state->translate[0] != 0.0f) { 608 r300->viewport_state->xoffset = state->translate[0]; 609 r300->viewport_state->vte_control |= R300_VPORT_X_OFFSET_ENA; 610 } 611 if (state->translate[1] != 0.0f) { 612 r300->viewport_state->yoffset = state->translate[1]; 613 r300->viewport_state->vte_control |= R300_VPORT_Y_OFFSET_ENA; 614 } 615 if (state->translate[2] != 0.0f) { 616 r300->viewport_state->zoffset = state->translate[2]; 617 r300->viewport_state->vte_control |= R300_VPORT_Z_OFFSET_ENA; 618 } 619 620 r300->dirty_state |= R300_NEW_VIEWPORT; 621} 622 623static void r300_set_vertex_buffers(struct pipe_context* pipe, 624 unsigned count, 625 const struct pipe_vertex_buffer* buffers) 626{ 627 struct r300_context* r300 = r300_context(pipe); 628 629 memcpy(r300->vertex_buffers, buffers, 630 sizeof(struct pipe_vertex_buffer) * count); 631 632 r300->vertex_buffer_count = count; 633 634 draw_flush(r300->draw); 635 draw_set_vertex_buffers(r300->draw, count, buffers); 636} 637 638static void r300_set_vertex_elements(struct pipe_context* pipe, 639 unsigned count, 640 const struct pipe_vertex_element* elements) 641{ 642 struct r300_context* r300 = r300_context(pipe); 643 644 draw_flush(r300->draw); 645 draw_set_vertex_elements(r300->draw, count, elements); 646} 647 648static void* r300_create_vs_state(struct pipe_context* pipe, 649 const struct pipe_shader_state* shader) 650{ 651 struct r300_context* r300 = r300_context(pipe); 652 653 if (r300_screen(pipe->screen)->caps->has_tcl) { 654 struct r300_vertex_shader* vs = CALLOC_STRUCT(r300_vertex_shader); 655 /* Copy state directly into shader. */ 656 vs->state = *shader; 657 vs->state.tokens = tgsi_dup_tokens(shader->tokens); 658 659 tgsi_scan_shader(shader->tokens, &vs->info); 660 661 /* Appease Draw. */ 662 vs->draw = draw_create_vertex_shader(r300->draw, shader); 663 664 return (void*)vs; 665 } else { 666 return draw_create_vertex_shader(r300->draw, shader); 667 } 668} 669 670static void r300_bind_vs_state(struct pipe_context* pipe, void* shader) 671{ 672 struct r300_context* r300 = r300_context(pipe); 673 674 draw_flush(r300->draw); 675 676 if (r300_screen(pipe->screen)->caps->has_tcl) { 677 struct r300_vertex_shader* vs = (struct r300_vertex_shader*)shader; 678 679 if (vs == NULL) { 680 r300->vs = NULL; 681 return; 682 } else if (!vs->translated) { 683 r300_translate_vertex_shader(r300, vs); 684 } 685 686 draw_bind_vertex_shader(r300->draw, vs->draw); 687 r300->vs = vs; 688 r300->dirty_state |= R300_NEW_VERTEX_SHADER; 689 } else { 690 draw_bind_vertex_shader(r300->draw, 691 (struct draw_vertex_shader*)shader); 692 } 693} 694 695static void r300_delete_vs_state(struct pipe_context* pipe, void* shader) 696{ 697 struct r300_context* r300 = r300_context(pipe); 698 699 if (r300_screen(pipe->screen)->caps->has_tcl) { 700 struct r300_vertex_shader* vs = (struct r300_vertex_shader*)shader; 701 702 rc_constants_destroy(&vs->code.constants); 703 draw_delete_vertex_shader(r300->draw, vs->draw); 704 FREE((void*)vs->state.tokens); 705 FREE(shader); 706 } else { 707 draw_delete_vertex_shader(r300->draw, 708 (struct draw_vertex_shader*)shader); 709 } 710} 711 712void r300_init_state_functions(struct r300_context* r300) 713{ 714 r300->context.create_blend_state = r300_create_blend_state; 715 r300->context.bind_blend_state = r300_bind_blend_state; 716 r300->context.delete_blend_state = r300_delete_blend_state; 717 718 r300->context.set_blend_color = r300_set_blend_color; 719 720 r300->context.set_clip_state = r300_set_clip_state; 721 722 r300->context.set_constant_buffer = r300_set_constant_buffer; 723 724 r300->context.create_depth_stencil_alpha_state = r300_create_dsa_state; 725 r300->context.bind_depth_stencil_alpha_state = r300_bind_dsa_state; 726 r300->context.delete_depth_stencil_alpha_state = r300_delete_dsa_state; 727 728 r300->context.set_edgeflags = r300_set_edgeflags; 729 730 r300->context.set_framebuffer_state = r300_set_framebuffer_state; 731 732 r300->context.create_fs_state = r300_create_fs_state; 733 r300->context.bind_fs_state = r300_bind_fs_state; 734 r300->context.delete_fs_state = r300_delete_fs_state; 735 736 r300->context.set_polygon_stipple = r300_set_polygon_stipple; 737 738 r300->context.create_rasterizer_state = r300_create_rs_state; 739 r300->context.bind_rasterizer_state = r300_bind_rs_state; 740 r300->context.delete_rasterizer_state = r300_delete_rs_state; 741 742 r300->context.create_sampler_state = r300_create_sampler_state; 743 r300->context.bind_sampler_states = r300_bind_sampler_states; 744 r300->context.delete_sampler_state = r300_delete_sampler_state; 745 746 r300->context.set_sampler_textures = r300_set_sampler_textures; 747 748 r300->context.set_scissor_state = r300_set_scissor_state; 749 750 r300->context.set_viewport_state = r300_set_viewport_state; 751 752 r300->context.set_vertex_buffers = r300_set_vertex_buffers; 753 r300->context.set_vertex_elements = r300_set_vertex_elements; 754 755 r300->context.create_vs_state = r300_create_vs_state; 756 r300->context.bind_vs_state = r300_bind_vs_state; 757 r300->context.delete_vs_state = r300_delete_vs_state; 758} 759