r300_state.c revision c1bee7bdea470b6b5dcebef9aacc8fe4feca687c
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 "util/u_debug.h" 24#include "util/u_math.h" 25#include "util/u_pack_color.h" 26 27#include "tgsi/tgsi_parse.h" 28 29#include "pipe/p_config.h" 30#include "pipe/internal/p_winsys_screen.h" 31 32#include "r300_context.h" 33#include "r300_reg.h" 34#include "r300_state_inlines.h" 35#include "r300_fs.h" 36#include "r300_vs.h" 37 38/* r300_state: Functions used to intialize state context by translating 39 * Gallium state objects into semi-native r300 state objects. */ 40 41/* Create a new blend state based on the CSO blend state. 42 * 43 * This encompasses alpha blending, logic/raster ops, and blend dithering. */ 44static void* r300_create_blend_state(struct pipe_context* pipe, 45 const struct pipe_blend_state* state) 46{ 47 struct r300_blend_state* blend = CALLOC_STRUCT(r300_blend_state); 48 49 { 50 unsigned eqRGB = state->rgb_func; 51 unsigned srcRGB = state->rgb_src_factor; 52 unsigned dstRGB = state->rgb_dst_factor; 53 54 unsigned eqA = state->alpha_func; 55 unsigned srcA = state->alpha_src_factor; 56 unsigned dstA = state->alpha_dst_factor; 57 58 if (srcA != srcRGB || 59 dstA != dstRGB || 60 eqA != eqRGB) { 61 blend->alpha_blend_control = 62 r300_translate_blend_function(eqA) | 63 (r300_translate_blend_factor(srcA) << 64 R300_SRC_BLEND_SHIFT) | 65 (r300_translate_blend_factor(dstA) << 66 R300_DST_BLEND_SHIFT); 67 blend->blend_control |= R300_ALPHA_BLEND_ENABLE | 68 R300_SEPARATE_ALPHA_ENABLE; 69 } else { 70 blend->alpha_blend_control = R300_COMB_FCN_ADD_CLAMP | 71 (R300_BLEND_GL_ONE << R300_SRC_BLEND_SHIFT) | 72 (R300_BLEND_GL_ZERO << R300_DST_BLEND_SHIFT); 73 } 74 } 75 if (state->blend_enable) { 76 /* XXX for now, always do separate alpha... 77 * is it faster to do it with one reg? */ 78 blend->blend_control |= R300_READ_ENABLE | 79 r300_translate_blend_function(state->rgb_func) | 80 (r300_translate_blend_factor(state->rgb_src_factor) << 81 R300_SRC_BLEND_SHIFT) | 82 (r300_translate_blend_factor(state->rgb_dst_factor) << 83 R300_DST_BLEND_SHIFT); 84 } else { 85 blend->blend_control = 86 R300_COMB_FCN_ADD_CLAMP | 87 (R300_BLEND_GL_ONE << R300_SRC_BLEND_SHIFT) | 88 (R300_BLEND_GL_ZERO << R300_DST_BLEND_SHIFT); 89 } 90 91 /* PIPE_LOGICOP_* don't need to be translated, fortunately. */ 92 if (state->logicop_enable) { 93 blend->rop = R300_RB3D_ROPCNTL_ROP_ENABLE | 94 (state->logicop_func) << R300_RB3D_ROPCNTL_ROP_SHIFT; 95 } 96 97 if (state->dither) { 98 blend->dither = R300_RB3D_DITHER_CTL_DITHER_MODE_LUT | 99 R300_RB3D_DITHER_CTL_ALPHA_DITHER_MODE_LUT; 100 } 101 102 return (void*)blend; 103} 104 105/* Bind blend state. */ 106static void r300_bind_blend_state(struct pipe_context* pipe, 107 void* state) 108{ 109 struct r300_context* r300 = r300_context(pipe); 110 111 r300->blend_state = (struct r300_blend_state*)state; 112 r300->dirty_state |= R300_NEW_BLEND; 113} 114 115/* Free blend state. */ 116static void r300_delete_blend_state(struct pipe_context* pipe, 117 void* state) 118{ 119 FREE(state); 120} 121 122/* Set blend color. 123 * Setup both R300 and R500 registers, figure out later which one to write. */ 124static void r300_set_blend_color(struct pipe_context* pipe, 125 const struct pipe_blend_color* color) 126{ 127 struct r300_context* r300 = r300_context(pipe); 128 ubyte ur, ug, ub, ua; 129 130 ur = float_to_ubyte(color->color[0]); 131 ug = float_to_ubyte(color->color[1]); 132 ub = float_to_ubyte(color->color[2]); 133 ua = float_to_ubyte(color->color[3]); 134 135 util_pack_color(color->color, PIPE_FORMAT_A8R8G8B8_UNORM, 136 &r300->blend_color_state->blend_color); 137 138 /* XXX this is wrong */ 139 r300->blend_color_state->blend_color_red_alpha = ur | (ua << 16); 140 r300->blend_color_state->blend_color_green_blue = ub | (ug << 16); 141 142 r300->dirty_state |= R300_NEW_BLEND_COLOR; 143} 144 145static void r300_set_clip_state(struct pipe_context* pipe, 146 const struct pipe_clip_state* state) 147{ 148 struct r300_context* r300 = r300_context(pipe); 149 150 if (r300_screen(pipe->screen)->caps->has_tcl) { 151 r300->clip_state = *state; 152 r300->dirty_state |= R300_NEW_CLIP; 153 } else { 154 draw_flush(r300->draw); 155 draw_set_clip_state(r300->draw, state); 156 } 157} 158 159static void 160 r300_set_constant_buffer(struct pipe_context* pipe, 161 uint shader, uint index, 162 const struct pipe_constant_buffer* buffer) 163{ 164 struct r300_context* r300 = r300_context(pipe); 165 166 /* This entire chunk of code seems ever-so-slightly baked. 167 * It's as if I've got pipe_buffer* matryoshkas... */ 168 if (buffer && buffer->buffer && buffer->buffer->size) { 169 void* map = pipe->winsys->buffer_map(pipe->winsys, buffer->buffer, 170 PIPE_BUFFER_USAGE_CPU_READ); 171 memcpy(r300->shader_constants[shader].constants, 172 map, buffer->buffer->size); 173 pipe->winsys->buffer_unmap(pipe->winsys, buffer->buffer); 174 175 r300->shader_constants[shader].count = 176 buffer->buffer->size / (sizeof(float) * 4); 177 } else { 178 r300->shader_constants[shader].count = 0; 179 } 180 181 r300->dirty_state |= R300_NEW_CONSTANTS; 182} 183 184/* Create a new depth, stencil, and alpha state based on the CSO dsa state. 185 * 186 * This contains the depth buffer, stencil buffer, alpha test, and such. 187 * On the Radeon, depth and stencil buffer setup are intertwined, which is 188 * the reason for some of the strange-looking assignments across registers. */ 189static void* 190 r300_create_dsa_state(struct pipe_context* pipe, 191 const struct pipe_depth_stencil_alpha_state* state) 192{ 193 struct r300_context* r300 = r300_context(pipe); 194 struct r300_dsa_state* dsa = CALLOC_STRUCT(r300_dsa_state); 195 196 /* Depth test setup. */ 197 if (state->depth.enabled) { 198 dsa->z_buffer_control |= R300_Z_ENABLE; 199 200 if (state->depth.writemask) { 201 dsa->z_buffer_control |= R300_Z_WRITE_ENABLE; 202 } 203 204 dsa->z_stencil_control |= 205 (r300_translate_depth_stencil_function(state->depth.func) << 206 R300_Z_FUNC_SHIFT); 207 } 208 209 /* Stencil buffer setup. */ 210 if (state->stencil[0].enabled) { 211 dsa->z_buffer_control |= R300_STENCIL_ENABLE; 212 dsa->z_stencil_control |= 213 (r300_translate_depth_stencil_function(state->stencil[0].func) << 214 R300_S_FRONT_FUNC_SHIFT) | 215 (r300_translate_stencil_op(state->stencil[0].fail_op) << 216 R300_S_FRONT_SFAIL_OP_SHIFT) | 217 (r300_translate_stencil_op(state->stencil[0].zpass_op) << 218 R300_S_FRONT_ZPASS_OP_SHIFT) | 219 (r300_translate_stencil_op(state->stencil[0].zfail_op) << 220 R300_S_FRONT_ZFAIL_OP_SHIFT); 221 222 dsa->stencil_ref_mask = (state->stencil[0].ref_value) | 223 (state->stencil[0].valuemask << R300_STENCILMASK_SHIFT) | 224 (state->stencil[0].writemask << R300_STENCILWRITEMASK_SHIFT); 225 226 if (state->stencil[1].enabled) { 227 dsa->z_buffer_control |= R300_STENCIL_FRONT_BACK; 228 dsa->z_stencil_control |= 229 (r300_translate_depth_stencil_function(state->stencil[1].func) << 230 R300_S_BACK_FUNC_SHIFT) | 231 (r300_translate_stencil_op(state->stencil[1].fail_op) << 232 R300_S_BACK_SFAIL_OP_SHIFT) | 233 (r300_translate_stencil_op(state->stencil[1].zpass_op) << 234 R300_S_BACK_ZPASS_OP_SHIFT) | 235 (r300_translate_stencil_op(state->stencil[1].zfail_op) << 236 R300_S_BACK_ZFAIL_OP_SHIFT); 237 238 dsa->stencil_ref_bf = (state->stencil[1].ref_value) | 239 (state->stencil[1].valuemask << R300_STENCILMASK_SHIFT) | 240 (state->stencil[1].writemask << R300_STENCILWRITEMASK_SHIFT); 241 } 242 } 243 244 /* Alpha test setup. */ 245 if (state->alpha.enabled) { 246 dsa->alpha_function = 247 r300_translate_alpha_function(state->alpha.func) | 248 R300_FG_ALPHA_FUNC_ENABLE; 249 dsa->alpha_reference = CLAMP(state->alpha.ref_value * 1023.0f, 250 0, 1023); 251 } 252 253 dsa->z_buffer_top = R300_ZTOP_ENABLE; 254 /* XXX TODO: add frag prog rules for ztop disable */ 255 if (state->alpha.enabled && state->alpha.func != PIPE_FUNC_ALWAYS) 256 dsa->z_buffer_top = R300_ZTOP_DISABLE; 257 if (!is_empty_list(&r300->query_list)) 258 dsa->z_buffer_top = R300_ZTOP_DISABLE; 259 260 return (void*)dsa; 261} 262 263/* Bind DSA state. */ 264static void r300_bind_dsa_state(struct pipe_context* pipe, 265 void* state) 266{ 267 struct r300_context* r300 = r300_context(pipe); 268 269 r300->dsa_state = (struct r300_dsa_state*)state; 270 r300->dirty_state |= R300_NEW_DSA; 271} 272 273/* Free DSA state. */ 274static void r300_delete_dsa_state(struct pipe_context* pipe, 275 void* state) 276{ 277 FREE(state); 278} 279 280static void r300_set_edgeflags(struct pipe_context* pipe, 281 const unsigned* bitfield) 282{ 283 /* XXX you know it's bad when i915 has this blank too */ 284 /* XXX and even worse, I have no idea WTF the bitfield is */ 285} 286 287static void 288 r300_set_framebuffer_state(struct pipe_context* pipe, 289 const struct pipe_framebuffer_state* state) 290{ 291 struct r300_context* r300 = r300_context(pipe); 292 293 draw_flush(r300->draw); 294 295 r300->framebuffer_state = *state; 296 297 r300->dirty_state |= R300_NEW_FRAMEBUFFERS; 298} 299 300/* Create fragment shader state. */ 301static void* r300_create_fs_state(struct pipe_context* pipe, 302 const struct pipe_shader_state* shader) 303{ 304 struct r300_fragment_shader* fs = NULL; 305 306 fs = (struct r300_fragment_shader*)CALLOC_STRUCT(r300_fragment_shader); 307 308 /* Copy state directly into shader. */ 309 fs->state = *shader; 310 fs->state.tokens = tgsi_dup_tokens(shader->tokens); 311 312 tgsi_scan_shader(shader->tokens, &fs->info); 313 314 return (void*)fs; 315} 316 317/* Bind fragment shader state. */ 318static void r300_bind_fs_state(struct pipe_context* pipe, void* shader) 319{ 320 struct r300_context* r300 = r300_context(pipe); 321 struct r300_fragment_shader* fs = (struct r300_fragment_shader*)shader; 322 323 if (fs == NULL) { 324 r300->fs = NULL; 325 return; 326 } else if (!fs->translated) { 327 r300_translate_fragment_shader(r300, fs); 328 } 329 330 r300->fs = fs; 331 332 r300->dirty_state |= R300_NEW_FRAGMENT_SHADER; 333} 334 335/* Delete fragment shader state. */ 336static void r300_delete_fs_state(struct pipe_context* pipe, void* shader) 337{ 338 struct r300_fragment_shader* fs = (struct r300_fragment_shader*)shader; 339 rc_constants_destroy(&fs->code.constants); 340 FREE(fs->state.tokens); 341 FREE(shader); 342} 343 344static void r300_set_polygon_stipple(struct pipe_context* pipe, 345 const struct pipe_poly_stipple* state) 346{ 347 /* XXX no idea how to set this up, but not terribly important */ 348} 349 350/* Create a new rasterizer state based on the CSO rasterizer state. 351 * 352 * This is a very large chunk of state, and covers most of the graphics 353 * backend (GB), geometry assembly (GA), and setup unit (SU) blocks. 354 * 355 * In a not entirely unironic sidenote, this state has nearly nothing to do 356 * with the actual block on the Radeon called the rasterizer (RS). */ 357static void* r300_create_rs_state(struct pipe_context* pipe, 358 const struct pipe_rasterizer_state* state) 359{ 360 struct r300_rs_state* rs = CALLOC_STRUCT(r300_rs_state); 361 362 /* Copy rasterizer state for Draw. */ 363 rs->rs = *state; 364 365 rs->enable_vte = !state->bypass_vs_clip_and_viewport; 366 367#ifdef PIPE_ARCH_LITTLE_ENDIAN 368 rs->vap_control_status = R300_VC_NO_SWAP; 369#else 370 rs->vap_control_status = R300_VC_32BIT_SWAP; 371#endif 372 373 /* If bypassing TCL, or if no TCL engine is present, turn off the HW TCL. 374 * Else, enable HW TCL and force Draw's TCL off. */ 375 if (state->bypass_vs_clip_and_viewport || 376 !r300_screen(pipe->screen)->caps->has_tcl) { 377 rs->vap_control_status |= R300_VAP_TCL_BYPASS; 378 } else { 379 rs->rs.bypass_vs_clip_and_viewport = TRUE; 380 } 381 382 rs->point_size = pack_float_16_6x(state->point_size) | 383 (pack_float_16_6x(state->point_size) << R300_POINTSIZE_X_SHIFT); 384 385 rs->point_minmax = 386 ((int)(state->point_size_min * 6.0) << 387 R300_GA_POINT_MINMAX_MIN_SHIFT) | 388 ((int)(state->point_size_max * 6.0) << 389 R300_GA_POINT_MINMAX_MAX_SHIFT); 390 391 rs->line_control = pack_float_16_6x(state->line_width) | 392 R300_GA_LINE_CNTL_END_TYPE_COMP; 393 394 /* Radeons don't think in "CW/CCW", they think in "front/back". */ 395 if (state->front_winding == PIPE_WINDING_CW) { 396 rs->cull_mode = R300_FRONT_FACE_CW; 397 398 if (state->offset_cw) { 399 rs->polygon_offset_enable |= R300_FRONT_ENABLE; 400 } 401 if (state->offset_ccw) { 402 rs->polygon_offset_enable |= R300_BACK_ENABLE; 403 } 404 } else { 405 rs->cull_mode = R300_FRONT_FACE_CCW; 406 407 if (state->offset_ccw) { 408 rs->polygon_offset_enable |= R300_FRONT_ENABLE; 409 } 410 if (state->offset_cw) { 411 rs->polygon_offset_enable |= R300_BACK_ENABLE; 412 } 413 } 414 if (state->front_winding & state->cull_mode) { 415 rs->cull_mode |= R300_CULL_FRONT; 416 } 417 if (~(state->front_winding) & state->cull_mode) { 418 rs->cull_mode |= R300_CULL_BACK; 419 } 420 421 if (rs->polygon_offset_enable) { 422 rs->depth_offset_front = rs->depth_offset_back = 423 fui(state->offset_units); 424 rs->depth_scale_front = rs->depth_scale_back = 425 fui(state->offset_scale); 426 } 427 428 if (state->line_stipple_enable) { 429 rs->line_stipple_config = 430 R300_GA_LINE_STIPPLE_CONFIG_LINE_RESET_LINE | 431 (fui((float)state->line_stipple_factor) & 432 R300_GA_LINE_STIPPLE_CONFIG_STIPPLE_SCALE_MASK); 433 /* XXX this might need to be scaled up */ 434 rs->line_stipple_value = state->line_stipple_pattern; 435 } 436 437 if (state->flatshade) { 438 rs->color_control = R300_SHADE_MODEL_FLAT; 439 } else { 440 rs->color_control = R300_SHADE_MODEL_SMOOTH; 441 } 442 443 if (!state->flatshade_first) { 444 rs->color_control |= R300_GA_COLOR_CONTROL_PROVOKING_VERTEX_LAST; 445 } 446 447 return (void*)rs; 448} 449 450/* Bind rasterizer state. */ 451static void r300_bind_rs_state(struct pipe_context* pipe, void* state) 452{ 453 struct r300_context* r300 = r300_context(pipe); 454 struct r300_rs_state* rs = (struct r300_rs_state*)state; 455 456 draw_flush(r300->draw); 457 draw_set_rasterizer_state(r300->draw, &rs->rs); 458 459 r300->rs_state = rs; 460 r300->dirty_state |= R300_NEW_RASTERIZER; 461 r300->dirty_state |= R300_NEW_RS_BLOCK; 462 r300->dirty_state |= R300_NEW_SCISSOR; 463 r300->dirty_state |= R300_NEW_VIEWPORT; 464} 465 466/* Free rasterizer state. */ 467static void r300_delete_rs_state(struct pipe_context* pipe, void* state) 468{ 469 FREE(state); 470} 471 472static void* 473 r300_create_sampler_state(struct pipe_context* pipe, 474 const struct pipe_sampler_state* state) 475{ 476 struct r300_context* r300 = r300_context(pipe); 477 struct r300_sampler_state* sampler = CALLOC_STRUCT(r300_sampler_state); 478 int lod_bias; 479 480 sampler->filter0 |= 481 (r300_translate_wrap(state->wrap_s) << R300_TX_WRAP_S_SHIFT) | 482 (r300_translate_wrap(state->wrap_t) << R300_TX_WRAP_T_SHIFT) | 483 (r300_translate_wrap(state->wrap_r) << R300_TX_WRAP_R_SHIFT); 484 485 sampler->filter0 |= r300_translate_tex_filters(state->min_img_filter, 486 state->mag_img_filter, 487 state->min_mip_filter); 488 489 lod_bias = CLAMP((int)(state->lod_bias * 32), -(1 << 9), (1 << 9) - 1); 490 491 sampler->filter1 |= lod_bias << R300_LOD_BIAS_SHIFT; 492 493 sampler->filter1 |= r300_anisotropy(state->max_anisotropy); 494 495 util_pack_color(state->border_color, PIPE_FORMAT_A8R8G8B8_UNORM, 496 &sampler->border_color); 497 498 /* R500-specific fixups and optimizations */ 499 if (r300_screen(r300->context.screen)->caps->is_r500) { 500 sampler->filter1 |= R500_BORDER_FIX; 501 } 502 503 return (void*)sampler; 504} 505 506static void r300_bind_sampler_states(struct pipe_context* pipe, 507 unsigned count, 508 void** states) 509{ 510 struct r300_context* r300 = r300_context(pipe); 511 int i; 512 513 if (count > 8) { 514 return; 515 } 516 517 for (i = 0; i < count; i++) { 518 if (r300->sampler_states[i] != states[i]) { 519 r300->sampler_states[i] = (struct r300_sampler_state*)states[i]; 520 r300->dirty_state |= (R300_NEW_SAMPLER << i); 521 } 522 } 523 524 r300->sampler_count = count; 525} 526 527static void r300_delete_sampler_state(struct pipe_context* pipe, void* state) 528{ 529 FREE(state); 530} 531 532static void r300_set_sampler_textures(struct pipe_context* pipe, 533 unsigned count, 534 struct pipe_texture** texture) 535{ 536 struct r300_context* r300 = r300_context(pipe); 537 int i; 538 539 /* XXX magic num */ 540 if (count > 8) { 541 return; 542 } 543 544 for (i = 0; i < count; i++) { 545 if (r300->textures[i] != (struct r300_texture*)texture[i]) { 546 pipe_texture_reference((struct pipe_texture**)&r300->textures[i], 547 texture[i]); 548 r300->dirty_state |= (R300_NEW_TEXTURE << i); 549 } 550 } 551 552 for (i = count; i < 8; i++) { 553 if (r300->textures[i]) { 554 pipe_texture_reference((struct pipe_texture**)&r300->textures[i], 555 NULL); 556 r300->dirty_state |= (R300_NEW_TEXTURE << i); 557 } 558 } 559 560 r300->texture_count = count; 561} 562 563static void r300_set_scissor_state(struct pipe_context* pipe, 564 const struct pipe_scissor_state* state) 565{ 566 struct r300_context* r300 = r300_context(pipe); 567 568 if (r300_screen(r300->context.screen)->caps->is_r500) { 569 r300->scissor_state->scissor_top_left = 570 (state->minx << R300_SCISSORS_X_SHIFT) | 571 (state->miny << R300_SCISSORS_Y_SHIFT); 572 r300->scissor_state->scissor_bottom_right = 573 ((state->maxx - 1) << R300_SCISSORS_X_SHIFT) | 574 ((state->maxy - 1) << R300_SCISSORS_Y_SHIFT); 575 } else { 576 /* Offset of 1440 in non-R500 chipsets. */ 577 r300->scissor_state->scissor_top_left = 578 ((state->minx + 1440) << R300_SCISSORS_X_SHIFT) | 579 ((state->miny + 1440) << R300_SCISSORS_Y_SHIFT); 580 r300->scissor_state->scissor_bottom_right = 581 (((state->maxx - 1) + 1440) << R300_SCISSORS_X_SHIFT) | 582 (((state->maxy - 1) + 1440) << R300_SCISSORS_Y_SHIFT); 583 } 584 585 r300->dirty_state |= R300_NEW_SCISSOR; 586} 587 588static void r300_set_viewport_state(struct pipe_context* pipe, 589 const struct pipe_viewport_state* state) 590{ 591 struct r300_context* r300 = r300_context(pipe); 592 593 /* Do the transform in HW. */ 594 r300->viewport_state->vte_control = R300_VTX_W0_FMT; 595 596 if (state->scale[0] != 1.0f) { 597 assert(state->scale[0] != 0.0f); 598 r300->viewport_state->xscale = state->scale[0]; 599 r300->viewport_state->vte_control |= R300_VPORT_X_SCALE_ENA; 600 } 601 if (state->scale[1] != 1.0f) { 602 assert(state->scale[1] != 0.0f); 603 r300->viewport_state->yscale = state->scale[1]; 604 r300->viewport_state->vte_control |= R300_VPORT_Y_SCALE_ENA; 605 } 606 if (state->scale[2] != 1.0f) { 607 assert(state->scale[2] != 0.0f); 608 r300->viewport_state->zscale = state->scale[2]; 609 r300->viewport_state->vte_control |= R300_VPORT_Z_SCALE_ENA; 610 } 611 if (state->translate[0] != 0.0f) { 612 r300->viewport_state->xoffset = state->translate[0]; 613 r300->viewport_state->vte_control |= R300_VPORT_X_OFFSET_ENA; 614 } 615 if (state->translate[1] != 0.0f) { 616 r300->viewport_state->yoffset = state->translate[1]; 617 r300->viewport_state->vte_control |= R300_VPORT_Y_OFFSET_ENA; 618 } 619 if (state->translate[2] != 0.0f) { 620 r300->viewport_state->zoffset = state->translate[2]; 621 r300->viewport_state->vte_control |= R300_VPORT_Z_OFFSET_ENA; 622 } 623 624 r300->dirty_state |= R300_NEW_VIEWPORT; 625} 626 627static void r300_set_vertex_buffers(struct pipe_context* pipe, 628 unsigned count, 629 const struct pipe_vertex_buffer* buffers) 630{ 631 struct r300_context* r300 = r300_context(pipe); 632 633 memcpy(r300->vertex_buffers, buffers, 634 sizeof(struct pipe_vertex_buffer) * count); 635 636 r300->vertex_buffer_count = count; 637 638 draw_flush(r300->draw); 639 draw_set_vertex_buffers(r300->draw, count, buffers); 640} 641 642static void r300_set_vertex_elements(struct pipe_context* pipe, 643 unsigned count, 644 const struct pipe_vertex_element* elements) 645{ 646 struct r300_context* r300 = r300_context(pipe); 647 648 draw_flush(r300->draw); 649 draw_set_vertex_elements(r300->draw, count, elements); 650} 651 652static void* r300_create_vs_state(struct pipe_context* pipe, 653 const struct pipe_shader_state* shader) 654{ 655 struct r300_context* r300 = r300_context(pipe); 656 657 if (r300_screen(pipe->screen)->caps->has_tcl) { 658 struct r300_vertex_shader* vs = CALLOC_STRUCT(r300_vertex_shader); 659 /* Copy state directly into shader. */ 660 vs->state = *shader; 661 vs->state.tokens = tgsi_dup_tokens(shader->tokens); 662 663 tgsi_scan_shader(shader->tokens, &vs->info); 664 665 /* Appease Draw. */ 666 vs->draw = draw_create_vertex_shader(r300->draw, shader); 667 668 return (void*)vs; 669 } else { 670 return draw_create_vertex_shader(r300->draw, shader); 671 } 672} 673 674static void r300_bind_vs_state(struct pipe_context* pipe, void* shader) 675{ 676 struct r300_context* r300 = r300_context(pipe); 677 678 draw_flush(r300->draw); 679 680 if (r300_screen(pipe->screen)->caps->has_tcl) { 681 struct r300_vertex_shader* vs = (struct r300_vertex_shader*)shader; 682 683 if (vs == NULL) { 684 r300->vs = NULL; 685 return; 686 } else if (!vs->translated) { 687 r300_translate_vertex_shader(r300, vs); 688 } 689 690 draw_bind_vertex_shader(r300->draw, vs->draw); 691 r300->vs = vs; 692 r300->dirty_state |= R300_NEW_VERTEX_SHADER; 693 } else { 694 draw_bind_vertex_shader(r300->draw, 695 (struct draw_vertex_shader*)shader); 696 } 697} 698 699static void r300_delete_vs_state(struct pipe_context* pipe, void* shader) 700{ 701 struct r300_context* r300 = r300_context(pipe); 702 703 if (r300_screen(pipe->screen)->caps->has_tcl) { 704 struct r300_vertex_shader* vs = (struct r300_vertex_shader*)shader; 705 706 rc_constants_destroy(&vs->code.constants); 707 draw_delete_vertex_shader(r300->draw, vs->draw); 708 FREE(vs->state.tokens); 709 FREE(shader); 710 } else { 711 draw_delete_vertex_shader(r300->draw, 712 (struct draw_vertex_shader*)shader); 713 } 714} 715 716void r300_init_state_functions(struct r300_context* r300) 717{ 718 r300->context.create_blend_state = r300_create_blend_state; 719 r300->context.bind_blend_state = r300_bind_blend_state; 720 r300->context.delete_blend_state = r300_delete_blend_state; 721 722 r300->context.set_blend_color = r300_set_blend_color; 723 724 r300->context.set_clip_state = r300_set_clip_state; 725 726 r300->context.set_constant_buffer = r300_set_constant_buffer; 727 728 r300->context.create_depth_stencil_alpha_state = r300_create_dsa_state; 729 r300->context.bind_depth_stencil_alpha_state = r300_bind_dsa_state; 730 r300->context.delete_depth_stencil_alpha_state = r300_delete_dsa_state; 731 732 r300->context.set_edgeflags = r300_set_edgeflags; 733 734 r300->context.set_framebuffer_state = r300_set_framebuffer_state; 735 736 r300->context.create_fs_state = r300_create_fs_state; 737 r300->context.bind_fs_state = r300_bind_fs_state; 738 r300->context.delete_fs_state = r300_delete_fs_state; 739 740 r300->context.set_polygon_stipple = r300_set_polygon_stipple; 741 742 r300->context.create_rasterizer_state = r300_create_rs_state; 743 r300->context.bind_rasterizer_state = r300_bind_rs_state; 744 r300->context.delete_rasterizer_state = r300_delete_rs_state; 745 746 r300->context.create_sampler_state = r300_create_sampler_state; 747 r300->context.bind_sampler_states = r300_bind_sampler_states; 748 r300->context.delete_sampler_state = r300_delete_sampler_state; 749 750 r300->context.set_sampler_textures = r300_set_sampler_textures; 751 752 r300->context.set_scissor_state = r300_set_scissor_state; 753 754 r300->context.set_viewport_state = r300_set_viewport_state; 755 756 r300->context.set_vertex_buffers = r300_set_vertex_buffers; 757 r300->context.set_vertex_elements = r300_set_vertex_elements; 758 759 r300->context.create_vs_state = r300_create_vs_state; 760 r300->context.bind_vs_state = r300_bind_vs_state; 761 r300->context.delete_vs_state = r300_delete_vs_state; 762} 763