si_state.c revision 76b8c5cc602eda19c91b842b02f84564c18e79a6
1/* 2 * Copyright 2012 Advanced Micro Devices, Inc. 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 * Authors: 24 * Christian König <christian.koenig@amd.com> 25 */ 26 27#include "si_pipe.h" 28#include "si_shader.h" 29#include "sid.h" 30#include "radeon/r600_cs.h" 31 32#include "util/u_dual_blend.h" 33#include "util/u_format.h" 34#include "util/u_format_s3tc.h" 35#include "util/u_memory.h" 36#include "util/u_pstipple.h" 37#include "util/u_resource.h" 38 39/* Initialize an external atom (owned by ../radeon). */ 40static void 41si_init_external_atom(struct si_context *sctx, struct r600_atom *atom, 42 struct r600_atom **list_elem) 43{ 44 atom->id = list_elem - sctx->atoms.array + 1; 45 *list_elem = atom; 46} 47 48/* Initialize an atom owned by radeonsi. */ 49void si_init_atom(struct si_context *sctx, struct r600_atom *atom, 50 struct r600_atom **list_elem, 51 void (*emit_func)(struct si_context *ctx, struct r600_atom *state)) 52{ 53 atom->emit = (void*)emit_func; 54 atom->id = list_elem - sctx->atoms.array + 1; /* index+1 in the atom array */ 55 *list_elem = atom; 56} 57 58unsigned si_array_mode(unsigned mode) 59{ 60 switch (mode) { 61 case RADEON_SURF_MODE_LINEAR_ALIGNED: 62 return V_009910_ARRAY_LINEAR_ALIGNED; 63 case RADEON_SURF_MODE_1D: 64 return V_009910_ARRAY_1D_TILED_THIN1; 65 case RADEON_SURF_MODE_2D: 66 return V_009910_ARRAY_2D_TILED_THIN1; 67 default: 68 case RADEON_SURF_MODE_LINEAR: 69 return V_009910_ARRAY_LINEAR_GENERAL; 70 } 71} 72 73uint32_t si_num_banks(struct si_screen *sscreen, struct r600_texture *tex) 74{ 75 if (sscreen->b.chip_class >= CIK && 76 sscreen->b.info.cik_macrotile_mode_array_valid) { 77 unsigned index, tileb; 78 79 tileb = 8 * 8 * tex->surface.bpe; 80 tileb = MIN2(tex->surface.tile_split, tileb); 81 82 for (index = 0; tileb > 64; index++) { 83 tileb >>= 1; 84 } 85 assert(index < 16); 86 87 return (sscreen->b.info.cik_macrotile_mode_array[index] >> 6) & 0x3; 88 } 89 90 if (sscreen->b.chip_class == SI && 91 sscreen->b.info.si_tile_mode_array_valid) { 92 /* Don't use stencil_tiling_index, because num_banks is always 93 * read from the depth mode. */ 94 unsigned tile_mode_index = tex->surface.tiling_index[0]; 95 assert(tile_mode_index < 32); 96 97 return G_009910_NUM_BANKS(sscreen->b.info.si_tile_mode_array[tile_mode_index]); 98 } 99 100 /* The old way. */ 101 switch (sscreen->b.info.r600_num_banks) { 102 case 2: 103 return V_02803C_ADDR_SURF_2_BANK; 104 case 4: 105 return V_02803C_ADDR_SURF_4_BANK; 106 case 8: 107 default: 108 return V_02803C_ADDR_SURF_8_BANK; 109 case 16: 110 return V_02803C_ADDR_SURF_16_BANK; 111 } 112} 113 114unsigned cik_tile_split(unsigned tile_split) 115{ 116 switch (tile_split) { 117 case 64: 118 tile_split = V_028040_ADDR_SURF_TILE_SPLIT_64B; 119 break; 120 case 128: 121 tile_split = V_028040_ADDR_SURF_TILE_SPLIT_128B; 122 break; 123 case 256: 124 tile_split = V_028040_ADDR_SURF_TILE_SPLIT_256B; 125 break; 126 case 512: 127 tile_split = V_028040_ADDR_SURF_TILE_SPLIT_512B; 128 break; 129 default: 130 case 1024: 131 tile_split = V_028040_ADDR_SURF_TILE_SPLIT_1KB; 132 break; 133 case 2048: 134 tile_split = V_028040_ADDR_SURF_TILE_SPLIT_2KB; 135 break; 136 case 4096: 137 tile_split = V_028040_ADDR_SURF_TILE_SPLIT_4KB; 138 break; 139 } 140 return tile_split; 141} 142 143unsigned cik_macro_tile_aspect(unsigned macro_tile_aspect) 144{ 145 switch (macro_tile_aspect) { 146 default: 147 case 1: 148 macro_tile_aspect = V_02803C_ADDR_SURF_MACRO_ASPECT_1; 149 break; 150 case 2: 151 macro_tile_aspect = V_02803C_ADDR_SURF_MACRO_ASPECT_2; 152 break; 153 case 4: 154 macro_tile_aspect = V_02803C_ADDR_SURF_MACRO_ASPECT_4; 155 break; 156 case 8: 157 macro_tile_aspect = V_02803C_ADDR_SURF_MACRO_ASPECT_8; 158 break; 159 } 160 return macro_tile_aspect; 161} 162 163unsigned cik_bank_wh(unsigned bankwh) 164{ 165 switch (bankwh) { 166 default: 167 case 1: 168 bankwh = V_02803C_ADDR_SURF_BANK_WIDTH_1; 169 break; 170 case 2: 171 bankwh = V_02803C_ADDR_SURF_BANK_WIDTH_2; 172 break; 173 case 4: 174 bankwh = V_02803C_ADDR_SURF_BANK_WIDTH_4; 175 break; 176 case 8: 177 bankwh = V_02803C_ADDR_SURF_BANK_WIDTH_8; 178 break; 179 } 180 return bankwh; 181} 182 183unsigned cik_db_pipe_config(struct si_screen *sscreen, unsigned tile_mode) 184{ 185 if (sscreen->b.info.si_tile_mode_array_valid) { 186 uint32_t gb_tile_mode = sscreen->b.info.si_tile_mode_array[tile_mode]; 187 188 return G_009910_PIPE_CONFIG(gb_tile_mode); 189 } 190 191 /* This is probably broken for a lot of chips, but it's only used 192 * if the kernel cannot return the tile mode array for CIK. */ 193 switch (sscreen->b.info.num_tile_pipes) { 194 case 16: 195 return V_02803C_X_ADDR_SURF_P16_32X32_16X16; 196 case 8: 197 return V_02803C_X_ADDR_SURF_P8_32X32_16X16; 198 case 4: 199 default: 200 if (sscreen->b.info.num_render_backends == 4) 201 return V_02803C_X_ADDR_SURF_P4_16X16; 202 else 203 return V_02803C_X_ADDR_SURF_P4_8X16; 204 case 2: 205 return V_02803C_ADDR_SURF_P2; 206 } 207} 208 209static unsigned si_map_swizzle(unsigned swizzle) 210{ 211 switch (swizzle) { 212 case PIPE_SWIZZLE_Y: 213 return V_008F0C_SQ_SEL_Y; 214 case PIPE_SWIZZLE_Z: 215 return V_008F0C_SQ_SEL_Z; 216 case PIPE_SWIZZLE_W: 217 return V_008F0C_SQ_SEL_W; 218 case PIPE_SWIZZLE_0: 219 return V_008F0C_SQ_SEL_0; 220 case PIPE_SWIZZLE_1: 221 return V_008F0C_SQ_SEL_1; 222 default: /* PIPE_SWIZZLE_X */ 223 return V_008F0C_SQ_SEL_X; 224 } 225} 226 227static uint32_t S_FIXED(float value, uint32_t frac_bits) 228{ 229 return value * (1 << frac_bits); 230} 231 232/* 12.4 fixed-point */ 233static unsigned si_pack_float_12p4(float x) 234{ 235 return x <= 0 ? 0 : 236 x >= 4096 ? 0xffff : x * 16; 237} 238 239/* 240 * Inferred framebuffer and blender state. 241 * 242 * One of the reasons CB_TARGET_MASK must be derived from the framebuffer state 243 * is that: 244 * - The blend state mask is 0xf most of the time. 245 * - The COLOR1 format isn't INVALID because of possible dual-source blending, 246 * so COLOR1 is enabled pretty much all the time. 247 * So CB_TARGET_MASK is the only register that can disable COLOR1. 248 * 249 * Another reason is to avoid a hang with dual source blending. 250 */ 251static void si_emit_cb_render_state(struct si_context *sctx, struct r600_atom *atom) 252{ 253 struct radeon_winsys_cs *cs = sctx->b.gfx.cs; 254 struct si_state_blend *blend = sctx->queued.named.blend; 255 uint32_t cb_target_mask = 0, i; 256 257 for (i = 0; i < sctx->framebuffer.state.nr_cbufs; i++) 258 if (sctx->framebuffer.state.cbufs[i]) 259 cb_target_mask |= 0xf << (4*i); 260 261 if (blend) 262 cb_target_mask &= blend->cb_target_mask; 263 264 /* Avoid a hang that happens when dual source blending is enabled 265 * but there is not enough color outputs. This is undefined behavior, 266 * so disable color writes completely. 267 * 268 * Reproducible with Unigine Heaven 4.0 and drirc missing. 269 */ 270 if (blend && blend->dual_src_blend && 271 sctx->ps_shader.cso && 272 (sctx->ps_shader.cso->info.colors_written & 0x3) != 0x3) 273 cb_target_mask = 0; 274 275 radeon_set_context_reg(cs, R_028238_CB_TARGET_MASK, cb_target_mask); 276 277 /* STONEY-specific register settings. */ 278 if (sctx->b.family == CHIP_STONEY) { 279 unsigned spi_shader_col_format = 280 sctx->ps_shader.cso ? 281 sctx->ps_shader.current->key.ps.epilog.spi_shader_col_format : 0; 282 unsigned sx_ps_downconvert = 0; 283 unsigned sx_blend_opt_epsilon = 0; 284 unsigned sx_blend_opt_control = 0; 285 286 for (i = 0; i < sctx->framebuffer.state.nr_cbufs; i++) { 287 struct r600_surface *surf = 288 (struct r600_surface*)sctx->framebuffer.state.cbufs[i]; 289 unsigned format, swap, spi_format, colormask; 290 bool has_alpha, has_rgb; 291 292 if (!surf) 293 continue; 294 295 format = G_028C70_FORMAT(surf->cb_color_info); 296 swap = G_028C70_COMP_SWAP(surf->cb_color_info); 297 spi_format = (spi_shader_col_format >> (i * 4)) & 0xf; 298 colormask = (cb_target_mask >> (i * 4)) & 0xf; 299 300 /* Set if RGB and A are present. */ 301 has_alpha = !G_028C74_FORCE_DST_ALPHA_1(surf->cb_color_attrib); 302 303 if (format == V_028C70_COLOR_8 || 304 format == V_028C70_COLOR_16 || 305 format == V_028C70_COLOR_32) 306 has_rgb = !has_alpha; 307 else 308 has_rgb = true; 309 310 /* Check the colormask and export format. */ 311 if (!(colormask & (PIPE_MASK_RGBA & ~PIPE_MASK_A))) 312 has_rgb = false; 313 if (!(colormask & PIPE_MASK_A)) 314 has_alpha = false; 315 316 if (spi_format == V_028714_SPI_SHADER_ZERO) { 317 has_rgb = false; 318 has_alpha = false; 319 } 320 321 /* Disable value checking for disabled channels. */ 322 if (!has_rgb) 323 sx_blend_opt_control |= S_02875C_MRT0_COLOR_OPT_DISABLE(1) << (i * 4); 324 if (!has_alpha) 325 sx_blend_opt_control |= S_02875C_MRT0_ALPHA_OPT_DISABLE(1) << (i * 4); 326 327 /* Enable down-conversion for 32bpp and smaller formats. */ 328 switch (format) { 329 case V_028C70_COLOR_8: 330 case V_028C70_COLOR_8_8: 331 case V_028C70_COLOR_8_8_8_8: 332 /* For 1 and 2-channel formats, use the superset thereof. */ 333 if (spi_format == V_028714_SPI_SHADER_FP16_ABGR || 334 spi_format == V_028714_SPI_SHADER_UINT16_ABGR || 335 spi_format == V_028714_SPI_SHADER_SINT16_ABGR) { 336 sx_ps_downconvert |= V_028754_SX_RT_EXPORT_8_8_8_8 << (i * 4); 337 sx_blend_opt_epsilon |= V_028758_8BIT_FORMAT << (i * 4); 338 } 339 break; 340 341 case V_028C70_COLOR_5_6_5: 342 if (spi_format == V_028714_SPI_SHADER_FP16_ABGR) { 343 sx_ps_downconvert |= V_028754_SX_RT_EXPORT_5_6_5 << (i * 4); 344 sx_blend_opt_epsilon |= V_028758_6BIT_FORMAT << (i * 4); 345 } 346 break; 347 348 case V_028C70_COLOR_1_5_5_5: 349 if (spi_format == V_028714_SPI_SHADER_FP16_ABGR) { 350 sx_ps_downconvert |= V_028754_SX_RT_EXPORT_1_5_5_5 << (i * 4); 351 sx_blend_opt_epsilon |= V_028758_5BIT_FORMAT << (i * 4); 352 } 353 break; 354 355 case V_028C70_COLOR_4_4_4_4: 356 if (spi_format == V_028714_SPI_SHADER_FP16_ABGR) { 357 sx_ps_downconvert |= V_028754_SX_RT_EXPORT_4_4_4_4 << (i * 4); 358 sx_blend_opt_epsilon |= V_028758_4BIT_FORMAT << (i * 4); 359 } 360 break; 361 362 case V_028C70_COLOR_32: 363 if (swap == V_0280A0_SWAP_STD && 364 spi_format == V_028714_SPI_SHADER_32_R) 365 sx_ps_downconvert |= V_028754_SX_RT_EXPORT_32_R << (i * 4); 366 else if (swap == V_0280A0_SWAP_ALT_REV && 367 spi_format == V_028714_SPI_SHADER_32_AR) 368 sx_ps_downconvert |= V_028754_SX_RT_EXPORT_32_A << (i * 4); 369 break; 370 371 case V_028C70_COLOR_16: 372 case V_028C70_COLOR_16_16: 373 /* For 1-channel formats, use the superset thereof. */ 374 if (spi_format == V_028714_SPI_SHADER_UNORM16_ABGR || 375 spi_format == V_028714_SPI_SHADER_SNORM16_ABGR || 376 spi_format == V_028714_SPI_SHADER_UINT16_ABGR || 377 spi_format == V_028714_SPI_SHADER_SINT16_ABGR) { 378 if (swap == V_0280A0_SWAP_STD || 379 swap == V_0280A0_SWAP_STD_REV) 380 sx_ps_downconvert |= V_028754_SX_RT_EXPORT_16_16_GR << (i * 4); 381 else 382 sx_ps_downconvert |= V_028754_SX_RT_EXPORT_16_16_AR << (i * 4); 383 } 384 break; 385 386 case V_028C70_COLOR_10_11_11: 387 if (spi_format == V_028714_SPI_SHADER_FP16_ABGR) { 388 sx_ps_downconvert |= V_028754_SX_RT_EXPORT_10_11_11 << (i * 4); 389 sx_blend_opt_epsilon |= V_028758_11BIT_FORMAT << (i * 4); 390 } 391 break; 392 393 case V_028C70_COLOR_2_10_10_10: 394 if (spi_format == V_028714_SPI_SHADER_FP16_ABGR) { 395 sx_ps_downconvert |= V_028754_SX_RT_EXPORT_2_10_10_10 << (i * 4); 396 sx_blend_opt_epsilon |= V_028758_10BIT_FORMAT << (i * 4); 397 } 398 break; 399 } 400 } 401 402 if (sctx->screen->b.debug_flags & DBG_NO_RB_PLUS) { 403 sx_ps_downconvert = 0; 404 sx_blend_opt_epsilon = 0; 405 sx_blend_opt_control = 0; 406 } 407 408 radeon_set_context_reg_seq(cs, R_028754_SX_PS_DOWNCONVERT, 3); 409 radeon_emit(cs, sx_ps_downconvert); /* R_028754_SX_PS_DOWNCONVERT */ 410 radeon_emit(cs, sx_blend_opt_epsilon); /* R_028758_SX_BLEND_OPT_EPSILON */ 411 radeon_emit(cs, sx_blend_opt_control); /* R_02875C_SX_BLEND_OPT_CONTROL */ 412 } 413} 414 415/* 416 * Blender functions 417 */ 418 419static uint32_t si_translate_blend_function(int blend_func) 420{ 421 switch (blend_func) { 422 case PIPE_BLEND_ADD: 423 return V_028780_COMB_DST_PLUS_SRC; 424 case PIPE_BLEND_SUBTRACT: 425 return V_028780_COMB_SRC_MINUS_DST; 426 case PIPE_BLEND_REVERSE_SUBTRACT: 427 return V_028780_COMB_DST_MINUS_SRC; 428 case PIPE_BLEND_MIN: 429 return V_028780_COMB_MIN_DST_SRC; 430 case PIPE_BLEND_MAX: 431 return V_028780_COMB_MAX_DST_SRC; 432 default: 433 R600_ERR("Unknown blend function %d\n", blend_func); 434 assert(0); 435 break; 436 } 437 return 0; 438} 439 440static uint32_t si_translate_blend_factor(int blend_fact) 441{ 442 switch (blend_fact) { 443 case PIPE_BLENDFACTOR_ONE: 444 return V_028780_BLEND_ONE; 445 case PIPE_BLENDFACTOR_SRC_COLOR: 446 return V_028780_BLEND_SRC_COLOR; 447 case PIPE_BLENDFACTOR_SRC_ALPHA: 448 return V_028780_BLEND_SRC_ALPHA; 449 case PIPE_BLENDFACTOR_DST_ALPHA: 450 return V_028780_BLEND_DST_ALPHA; 451 case PIPE_BLENDFACTOR_DST_COLOR: 452 return V_028780_BLEND_DST_COLOR; 453 case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE: 454 return V_028780_BLEND_SRC_ALPHA_SATURATE; 455 case PIPE_BLENDFACTOR_CONST_COLOR: 456 return V_028780_BLEND_CONSTANT_COLOR; 457 case PIPE_BLENDFACTOR_CONST_ALPHA: 458 return V_028780_BLEND_CONSTANT_ALPHA; 459 case PIPE_BLENDFACTOR_ZERO: 460 return V_028780_BLEND_ZERO; 461 case PIPE_BLENDFACTOR_INV_SRC_COLOR: 462 return V_028780_BLEND_ONE_MINUS_SRC_COLOR; 463 case PIPE_BLENDFACTOR_INV_SRC_ALPHA: 464 return V_028780_BLEND_ONE_MINUS_SRC_ALPHA; 465 case PIPE_BLENDFACTOR_INV_DST_ALPHA: 466 return V_028780_BLEND_ONE_MINUS_DST_ALPHA; 467 case PIPE_BLENDFACTOR_INV_DST_COLOR: 468 return V_028780_BLEND_ONE_MINUS_DST_COLOR; 469 case PIPE_BLENDFACTOR_INV_CONST_COLOR: 470 return V_028780_BLEND_ONE_MINUS_CONSTANT_COLOR; 471 case PIPE_BLENDFACTOR_INV_CONST_ALPHA: 472 return V_028780_BLEND_ONE_MINUS_CONSTANT_ALPHA; 473 case PIPE_BLENDFACTOR_SRC1_COLOR: 474 return V_028780_BLEND_SRC1_COLOR; 475 case PIPE_BLENDFACTOR_SRC1_ALPHA: 476 return V_028780_BLEND_SRC1_ALPHA; 477 case PIPE_BLENDFACTOR_INV_SRC1_COLOR: 478 return V_028780_BLEND_INV_SRC1_COLOR; 479 case PIPE_BLENDFACTOR_INV_SRC1_ALPHA: 480 return V_028780_BLEND_INV_SRC1_ALPHA; 481 default: 482 R600_ERR("Bad blend factor %d not supported!\n", blend_fact); 483 assert(0); 484 break; 485 } 486 return 0; 487} 488 489static uint32_t si_translate_blend_opt_function(int blend_func) 490{ 491 switch (blend_func) { 492 case PIPE_BLEND_ADD: 493 return V_028760_OPT_COMB_ADD; 494 case PIPE_BLEND_SUBTRACT: 495 return V_028760_OPT_COMB_SUBTRACT; 496 case PIPE_BLEND_REVERSE_SUBTRACT: 497 return V_028760_OPT_COMB_REVSUBTRACT; 498 case PIPE_BLEND_MIN: 499 return V_028760_OPT_COMB_MIN; 500 case PIPE_BLEND_MAX: 501 return V_028760_OPT_COMB_MAX; 502 default: 503 return V_028760_OPT_COMB_BLEND_DISABLED; 504 } 505} 506 507static uint32_t si_translate_blend_opt_factor(int blend_fact, bool is_alpha) 508{ 509 switch (blend_fact) { 510 case PIPE_BLENDFACTOR_ZERO: 511 return V_028760_BLEND_OPT_PRESERVE_NONE_IGNORE_ALL; 512 case PIPE_BLENDFACTOR_ONE: 513 return V_028760_BLEND_OPT_PRESERVE_ALL_IGNORE_NONE; 514 case PIPE_BLENDFACTOR_SRC_COLOR: 515 return is_alpha ? V_028760_BLEND_OPT_PRESERVE_A1_IGNORE_A0 516 : V_028760_BLEND_OPT_PRESERVE_C1_IGNORE_C0; 517 case PIPE_BLENDFACTOR_INV_SRC_COLOR: 518 return is_alpha ? V_028760_BLEND_OPT_PRESERVE_A0_IGNORE_A1 519 : V_028760_BLEND_OPT_PRESERVE_C0_IGNORE_C1; 520 case PIPE_BLENDFACTOR_SRC_ALPHA: 521 return V_028760_BLEND_OPT_PRESERVE_A1_IGNORE_A0; 522 case PIPE_BLENDFACTOR_INV_SRC_ALPHA: 523 return V_028760_BLEND_OPT_PRESERVE_A0_IGNORE_A1; 524 case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE: 525 return is_alpha ? V_028760_BLEND_OPT_PRESERVE_ALL_IGNORE_NONE 526 : V_028760_BLEND_OPT_PRESERVE_NONE_IGNORE_A0; 527 default: 528 return V_028760_BLEND_OPT_PRESERVE_NONE_IGNORE_NONE; 529 } 530} 531 532/** 533 * Get rid of DST in the blend factors by commuting the operands: 534 * func(src * DST, dst * 0) ---> func(src * 0, dst * SRC) 535 */ 536static void si_blend_remove_dst(unsigned *func, unsigned *src_factor, 537 unsigned *dst_factor, unsigned expected_dst, 538 unsigned replacement_src) 539{ 540 if (*src_factor == expected_dst && 541 *dst_factor == PIPE_BLENDFACTOR_ZERO) { 542 *src_factor = PIPE_BLENDFACTOR_ZERO; 543 *dst_factor = replacement_src; 544 545 /* Commuting the operands requires reversing subtractions. */ 546 if (*func == PIPE_BLEND_SUBTRACT) 547 *func = PIPE_BLEND_REVERSE_SUBTRACT; 548 else if (*func == PIPE_BLEND_REVERSE_SUBTRACT) 549 *func = PIPE_BLEND_SUBTRACT; 550 } 551} 552 553static bool si_blend_factor_uses_dst(unsigned factor) 554{ 555 return factor == PIPE_BLENDFACTOR_DST_COLOR || 556 factor == PIPE_BLENDFACTOR_DST_ALPHA || 557 factor == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE || 558 factor == PIPE_BLENDFACTOR_INV_DST_ALPHA || 559 factor == PIPE_BLENDFACTOR_INV_DST_COLOR; 560} 561 562static void *si_create_blend_state_mode(struct pipe_context *ctx, 563 const struct pipe_blend_state *state, 564 unsigned mode) 565{ 566 struct si_context *sctx = (struct si_context*)ctx; 567 struct si_state_blend *blend = CALLOC_STRUCT(si_state_blend); 568 struct si_pm4_state *pm4 = &blend->pm4; 569 uint32_t sx_mrt_blend_opt[8] = {0}; 570 uint32_t color_control = 0; 571 572 if (!blend) 573 return NULL; 574 575 blend->alpha_to_coverage = state->alpha_to_coverage; 576 blend->alpha_to_one = state->alpha_to_one; 577 blend->dual_src_blend = util_blend_state_is_dual(state, 0); 578 579 if (state->logicop_enable) { 580 color_control |= S_028808_ROP3(state->logicop_func | (state->logicop_func << 4)); 581 } else { 582 color_control |= S_028808_ROP3(0xcc); 583 } 584 585 si_pm4_set_reg(pm4, R_028B70_DB_ALPHA_TO_MASK, 586 S_028B70_ALPHA_TO_MASK_ENABLE(state->alpha_to_coverage) | 587 S_028B70_ALPHA_TO_MASK_OFFSET0(2) | 588 S_028B70_ALPHA_TO_MASK_OFFSET1(2) | 589 S_028B70_ALPHA_TO_MASK_OFFSET2(2) | 590 S_028B70_ALPHA_TO_MASK_OFFSET3(2)); 591 592 if (state->alpha_to_coverage) 593 blend->need_src_alpha_4bit |= 0xf; 594 595 blend->cb_target_mask = 0; 596 for (int i = 0; i < 8; i++) { 597 /* state->rt entries > 0 only written if independent blending */ 598 const int j = state->independent_blend_enable ? i : 0; 599 600 unsigned eqRGB = state->rt[j].rgb_func; 601 unsigned srcRGB = state->rt[j].rgb_src_factor; 602 unsigned dstRGB = state->rt[j].rgb_dst_factor; 603 unsigned eqA = state->rt[j].alpha_func; 604 unsigned srcA = state->rt[j].alpha_src_factor; 605 unsigned dstA = state->rt[j].alpha_dst_factor; 606 607 unsigned srcRGB_opt, dstRGB_opt, srcA_opt, dstA_opt; 608 unsigned blend_cntl = 0; 609 610 sx_mrt_blend_opt[i] = 611 S_028760_COLOR_COMB_FCN(V_028760_OPT_COMB_BLEND_DISABLED) | 612 S_028760_ALPHA_COMB_FCN(V_028760_OPT_COMB_BLEND_DISABLED); 613 614 if (!state->rt[j].colormask) 615 continue; 616 617 /* cb_render_state will disable unused ones */ 618 blend->cb_target_mask |= state->rt[j].colormask << (4 * i); 619 620 if (!state->rt[j].blend_enable) { 621 si_pm4_set_reg(pm4, R_028780_CB_BLEND0_CONTROL + i * 4, blend_cntl); 622 continue; 623 } 624 625 /* Blending optimizations for Stoney. 626 * These transformations don't change the behavior. 627 * 628 * First, get rid of DST in the blend factors: 629 * func(src * DST, dst * 0) ---> func(src * 0, dst * SRC) 630 */ 631 si_blend_remove_dst(&eqRGB, &srcRGB, &dstRGB, 632 PIPE_BLENDFACTOR_DST_COLOR, 633 PIPE_BLENDFACTOR_SRC_COLOR); 634 si_blend_remove_dst(&eqA, &srcA, &dstA, 635 PIPE_BLENDFACTOR_DST_COLOR, 636 PIPE_BLENDFACTOR_SRC_COLOR); 637 si_blend_remove_dst(&eqA, &srcA, &dstA, 638 PIPE_BLENDFACTOR_DST_ALPHA, 639 PIPE_BLENDFACTOR_SRC_ALPHA); 640 641 /* Look up the ideal settings from tables. */ 642 srcRGB_opt = si_translate_blend_opt_factor(srcRGB, false); 643 dstRGB_opt = si_translate_blend_opt_factor(dstRGB, false); 644 srcA_opt = si_translate_blend_opt_factor(srcA, true); 645 dstA_opt = si_translate_blend_opt_factor(dstA, true); 646 647 /* Handle interdependencies. */ 648 if (si_blend_factor_uses_dst(srcRGB)) 649 dstRGB_opt = V_028760_BLEND_OPT_PRESERVE_NONE_IGNORE_NONE; 650 if (si_blend_factor_uses_dst(srcA)) 651 dstA_opt = V_028760_BLEND_OPT_PRESERVE_NONE_IGNORE_NONE; 652 653 if (srcRGB == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE && 654 (dstRGB == PIPE_BLENDFACTOR_ZERO || 655 dstRGB == PIPE_BLENDFACTOR_SRC_ALPHA || 656 dstRGB == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE)) 657 dstRGB_opt = V_028760_BLEND_OPT_PRESERVE_NONE_IGNORE_A0; 658 659 /* Set the final value. */ 660 sx_mrt_blend_opt[i] = 661 S_028760_COLOR_SRC_OPT(srcRGB_opt) | 662 S_028760_COLOR_DST_OPT(dstRGB_opt) | 663 S_028760_COLOR_COMB_FCN(si_translate_blend_opt_function(eqRGB)) | 664 S_028760_ALPHA_SRC_OPT(srcA_opt) | 665 S_028760_ALPHA_DST_OPT(dstA_opt) | 666 S_028760_ALPHA_COMB_FCN(si_translate_blend_opt_function(eqA)); 667 668 /* Set blend state. */ 669 blend_cntl |= S_028780_ENABLE(1); 670 blend_cntl |= S_028780_COLOR_COMB_FCN(si_translate_blend_function(eqRGB)); 671 blend_cntl |= S_028780_COLOR_SRCBLEND(si_translate_blend_factor(srcRGB)); 672 blend_cntl |= S_028780_COLOR_DESTBLEND(si_translate_blend_factor(dstRGB)); 673 674 if (srcA != srcRGB || dstA != dstRGB || eqA != eqRGB) { 675 blend_cntl |= S_028780_SEPARATE_ALPHA_BLEND(1); 676 blend_cntl |= S_028780_ALPHA_COMB_FCN(si_translate_blend_function(eqA)); 677 blend_cntl |= S_028780_ALPHA_SRCBLEND(si_translate_blend_factor(srcA)); 678 blend_cntl |= S_028780_ALPHA_DESTBLEND(si_translate_blend_factor(dstA)); 679 } 680 si_pm4_set_reg(pm4, R_028780_CB_BLEND0_CONTROL + i * 4, blend_cntl); 681 682 blend->blend_enable_4bit |= 0xf << (i * 4); 683 684 /* This is only important for formats without alpha. */ 685 if (srcRGB == PIPE_BLENDFACTOR_SRC_ALPHA || 686 dstRGB == PIPE_BLENDFACTOR_SRC_ALPHA || 687 srcRGB == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE || 688 dstRGB == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE || 689 srcRGB == PIPE_BLENDFACTOR_INV_SRC_ALPHA || 690 dstRGB == PIPE_BLENDFACTOR_INV_SRC_ALPHA) 691 blend->need_src_alpha_4bit |= 0xf << (i * 4); 692 } 693 694 if (blend->cb_target_mask) { 695 color_control |= S_028808_MODE(mode); 696 } else { 697 color_control |= S_028808_MODE(V_028808_CB_DISABLE); 698 } 699 700 if (sctx->b.family == CHIP_STONEY) { 701 for (int i = 0; i < 8; i++) 702 si_pm4_set_reg(pm4, R_028760_SX_MRT0_BLEND_OPT + i * 4, 703 sx_mrt_blend_opt[i]); 704 705 /* RB+ doesn't work with dual source blending, logic op, and RESOLVE. */ 706 if (blend->dual_src_blend || state->logicop_enable || 707 mode == V_028808_CB_RESOLVE) 708 color_control |= S_028808_DISABLE_DUAL_QUAD(1); 709 } 710 711 si_pm4_set_reg(pm4, R_028808_CB_COLOR_CONTROL, color_control); 712 return blend; 713} 714 715static void *si_create_blend_state(struct pipe_context *ctx, 716 const struct pipe_blend_state *state) 717{ 718 return si_create_blend_state_mode(ctx, state, V_028808_CB_NORMAL); 719} 720 721static void si_bind_blend_state(struct pipe_context *ctx, void *state) 722{ 723 struct si_context *sctx = (struct si_context *)ctx; 724 si_pm4_bind_state(sctx, blend, (struct si_state_blend *)state); 725 si_mark_atom_dirty(sctx, &sctx->cb_render_state); 726} 727 728static void si_delete_blend_state(struct pipe_context *ctx, void *state) 729{ 730 struct si_context *sctx = (struct si_context *)ctx; 731 si_pm4_delete_state(sctx, blend, (struct si_state_blend *)state); 732} 733 734static void si_set_blend_color(struct pipe_context *ctx, 735 const struct pipe_blend_color *state) 736{ 737 struct si_context *sctx = (struct si_context *)ctx; 738 739 if (memcmp(&sctx->blend_color.state, state, sizeof(*state)) == 0) 740 return; 741 742 sctx->blend_color.state = *state; 743 si_mark_atom_dirty(sctx, &sctx->blend_color.atom); 744} 745 746static void si_emit_blend_color(struct si_context *sctx, struct r600_atom *atom) 747{ 748 struct radeon_winsys_cs *cs = sctx->b.gfx.cs; 749 750 radeon_set_context_reg_seq(cs, R_028414_CB_BLEND_RED, 4); 751 radeon_emit_array(cs, (uint32_t*)sctx->blend_color.state.color, 4); 752} 753 754/* 755 * Clipping 756 */ 757 758static void si_set_clip_state(struct pipe_context *ctx, 759 const struct pipe_clip_state *state) 760{ 761 struct si_context *sctx = (struct si_context *)ctx; 762 struct pipe_constant_buffer cb; 763 764 if (memcmp(&sctx->clip_state.state, state, sizeof(*state)) == 0) 765 return; 766 767 sctx->clip_state.state = *state; 768 si_mark_atom_dirty(sctx, &sctx->clip_state.atom); 769 770 cb.buffer = NULL; 771 cb.user_buffer = state->ucp; 772 cb.buffer_offset = 0; 773 cb.buffer_size = 4*4*8; 774 si_set_constant_buffer(sctx, &sctx->rw_buffers, 775 SI_VS_CONST_CLIP_PLANES, &cb); 776 pipe_resource_reference(&cb.buffer, NULL); 777} 778 779static void si_emit_clip_state(struct si_context *sctx, struct r600_atom *atom) 780{ 781 struct radeon_winsys_cs *cs = sctx->b.gfx.cs; 782 783 radeon_set_context_reg_seq(cs, R_0285BC_PA_CL_UCP_0_X, 6*4); 784 radeon_emit_array(cs, (uint32_t*)sctx->clip_state.state.ucp, 6*4); 785} 786 787#define SIX_BITS 0x3F 788 789static void si_emit_clip_regs(struct si_context *sctx, struct r600_atom *atom) 790{ 791 struct radeon_winsys_cs *cs = sctx->b.gfx.cs; 792 struct tgsi_shader_info *info = si_get_vs_info(sctx); 793 unsigned window_space = 794 info->properties[TGSI_PROPERTY_VS_WINDOW_SPACE_POSITION]; 795 unsigned clipdist_mask = 796 info->writes_clipvertex ? SIX_BITS : info->clipdist_writemask; 797 798 radeon_set_context_reg(cs, R_02881C_PA_CL_VS_OUT_CNTL, 799 S_02881C_USE_VTX_POINT_SIZE(info->writes_psize) | 800 S_02881C_USE_VTX_EDGE_FLAG(info->writes_edgeflag) | 801 S_02881C_USE_VTX_RENDER_TARGET_INDX(info->writes_layer) | 802 S_02881C_USE_VTX_VIEWPORT_INDX(info->writes_viewport_index) | 803 S_02881C_VS_OUT_CCDIST0_VEC_ENA((clipdist_mask & 0x0F) != 0) | 804 S_02881C_VS_OUT_CCDIST1_VEC_ENA((clipdist_mask & 0xF0) != 0) | 805 S_02881C_VS_OUT_MISC_VEC_ENA(info->writes_psize || 806 info->writes_edgeflag || 807 info->writes_layer || 808 info->writes_viewport_index) | 809 S_02881C_VS_OUT_MISC_SIDE_BUS_ENA(1) | 810 (sctx->queued.named.rasterizer->clip_plane_enable & 811 clipdist_mask)); 812 radeon_set_context_reg(cs, R_028810_PA_CL_CLIP_CNTL, 813 sctx->queued.named.rasterizer->pa_cl_clip_cntl | 814 (clipdist_mask ? 0 : 815 sctx->queued.named.rasterizer->clip_plane_enable & SIX_BITS) | 816 S_028810_CLIP_DISABLE(window_space)); 817 818 /* reuse needs to be set off if we write oViewport */ 819 radeon_set_context_reg(cs, R_028AB4_VGT_REUSE_OFF, 820 S_028AB4_REUSE_OFF(info->writes_viewport_index)); 821} 822 823/* 824 * inferred state between framebuffer and rasterizer 825 */ 826static void si_update_poly_offset_state(struct si_context *sctx) 827{ 828 struct si_state_rasterizer *rs = sctx->queued.named.rasterizer; 829 830 if (!rs || !rs->uses_poly_offset || !sctx->framebuffer.state.zsbuf) 831 return; 832 833 switch (sctx->framebuffer.state.zsbuf->texture->format) { 834 case PIPE_FORMAT_Z16_UNORM: 835 si_pm4_bind_state(sctx, poly_offset, &rs->pm4_poly_offset[0]); 836 break; 837 default: /* 24-bit */ 838 si_pm4_bind_state(sctx, poly_offset, &rs->pm4_poly_offset[1]); 839 break; 840 case PIPE_FORMAT_Z32_FLOAT: 841 case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT: 842 si_pm4_bind_state(sctx, poly_offset, &rs->pm4_poly_offset[2]); 843 break; 844 } 845} 846 847/* 848 * Rasterizer 849 */ 850 851static uint32_t si_translate_fill(uint32_t func) 852{ 853 switch(func) { 854 case PIPE_POLYGON_MODE_FILL: 855 return V_028814_X_DRAW_TRIANGLES; 856 case PIPE_POLYGON_MODE_LINE: 857 return V_028814_X_DRAW_LINES; 858 case PIPE_POLYGON_MODE_POINT: 859 return V_028814_X_DRAW_POINTS; 860 default: 861 assert(0); 862 return V_028814_X_DRAW_POINTS; 863 } 864} 865 866static void *si_create_rs_state(struct pipe_context *ctx, 867 const struct pipe_rasterizer_state *state) 868{ 869 struct si_state_rasterizer *rs = CALLOC_STRUCT(si_state_rasterizer); 870 struct si_pm4_state *pm4 = &rs->pm4; 871 unsigned tmp, i; 872 float psize_min, psize_max; 873 874 if (!rs) { 875 return NULL; 876 } 877 878 rs->scissor_enable = state->scissor; 879 rs->two_side = state->light_twoside; 880 rs->multisample_enable = state->multisample; 881 rs->force_persample_interp = state->force_persample_interp; 882 rs->clip_plane_enable = state->clip_plane_enable; 883 rs->line_stipple_enable = state->line_stipple_enable; 884 rs->poly_stipple_enable = state->poly_stipple_enable; 885 rs->line_smooth = state->line_smooth; 886 rs->poly_smooth = state->poly_smooth; 887 rs->uses_poly_offset = state->offset_point || state->offset_line || 888 state->offset_tri; 889 rs->clamp_fragment_color = state->clamp_fragment_color; 890 rs->flatshade = state->flatshade; 891 rs->sprite_coord_enable = state->sprite_coord_enable; 892 rs->rasterizer_discard = state->rasterizer_discard; 893 rs->pa_sc_line_stipple = state->line_stipple_enable ? 894 S_028A0C_LINE_PATTERN(state->line_stipple_pattern) | 895 S_028A0C_REPEAT_COUNT(state->line_stipple_factor) : 0; 896 rs->pa_cl_clip_cntl = 897 S_028810_PS_UCP_MODE(3) | 898 S_028810_DX_CLIP_SPACE_DEF(state->clip_halfz) | 899 S_028810_ZCLIP_NEAR_DISABLE(!state->depth_clip) | 900 S_028810_ZCLIP_FAR_DISABLE(!state->depth_clip) | 901 S_028810_DX_RASTERIZATION_KILL(state->rasterizer_discard) | 902 S_028810_DX_LINEAR_ATTR_CLIP_ENA(1); 903 904 si_pm4_set_reg(pm4, R_0286D4_SPI_INTERP_CONTROL_0, 905 S_0286D4_FLAT_SHADE_ENA(1) | 906 S_0286D4_PNT_SPRITE_ENA(1) | 907 S_0286D4_PNT_SPRITE_OVRD_X(V_0286D4_SPI_PNT_SPRITE_SEL_S) | 908 S_0286D4_PNT_SPRITE_OVRD_Y(V_0286D4_SPI_PNT_SPRITE_SEL_T) | 909 S_0286D4_PNT_SPRITE_OVRD_Z(V_0286D4_SPI_PNT_SPRITE_SEL_0) | 910 S_0286D4_PNT_SPRITE_OVRD_W(V_0286D4_SPI_PNT_SPRITE_SEL_1) | 911 S_0286D4_PNT_SPRITE_TOP_1(state->sprite_coord_mode != PIPE_SPRITE_COORD_UPPER_LEFT)); 912 913 /* point size 12.4 fixed point */ 914 tmp = (unsigned)(state->point_size * 8.0); 915 si_pm4_set_reg(pm4, R_028A00_PA_SU_POINT_SIZE, S_028A00_HEIGHT(tmp) | S_028A00_WIDTH(tmp)); 916 917 if (state->point_size_per_vertex) { 918 psize_min = util_get_min_point_size(state); 919 psize_max = 8192; 920 } else { 921 /* Force the point size to be as if the vertex output was disabled. */ 922 psize_min = state->point_size; 923 psize_max = state->point_size; 924 } 925 /* Divide by two, because 0.5 = 1 pixel. */ 926 si_pm4_set_reg(pm4, R_028A04_PA_SU_POINT_MINMAX, 927 S_028A04_MIN_SIZE(si_pack_float_12p4(psize_min/2)) | 928 S_028A04_MAX_SIZE(si_pack_float_12p4(psize_max/2))); 929 930 tmp = (unsigned)state->line_width * 8; 931 si_pm4_set_reg(pm4, R_028A08_PA_SU_LINE_CNTL, S_028A08_WIDTH(tmp)); 932 si_pm4_set_reg(pm4, R_028A48_PA_SC_MODE_CNTL_0, 933 S_028A48_LINE_STIPPLE_ENABLE(state->line_stipple_enable) | 934 S_028A48_MSAA_ENABLE(state->multisample || 935 state->poly_smooth || 936 state->line_smooth) | 937 S_028A48_VPORT_SCISSOR_ENABLE(1)); 938 939 si_pm4_set_reg(pm4, R_028BE4_PA_SU_VTX_CNTL, 940 S_028BE4_PIX_CENTER(state->half_pixel_center) | 941 S_028BE4_QUANT_MODE(V_028BE4_X_16_8_FIXED_POINT_1_256TH)); 942 943 si_pm4_set_reg(pm4, R_028B7C_PA_SU_POLY_OFFSET_CLAMP, fui(state->offset_clamp)); 944 si_pm4_set_reg(pm4, R_028814_PA_SU_SC_MODE_CNTL, 945 S_028814_PROVOKING_VTX_LAST(!state->flatshade_first) | 946 S_028814_CULL_FRONT((state->cull_face & PIPE_FACE_FRONT) ? 1 : 0) | 947 S_028814_CULL_BACK((state->cull_face & PIPE_FACE_BACK) ? 1 : 0) | 948 S_028814_FACE(!state->front_ccw) | 949 S_028814_POLY_OFFSET_FRONT_ENABLE(util_get_offset(state, state->fill_front)) | 950 S_028814_POLY_OFFSET_BACK_ENABLE(util_get_offset(state, state->fill_back)) | 951 S_028814_POLY_OFFSET_PARA_ENABLE(state->offset_point || state->offset_line) | 952 S_028814_POLY_MODE(state->fill_front != PIPE_POLYGON_MODE_FILL || 953 state->fill_back != PIPE_POLYGON_MODE_FILL) | 954 S_028814_POLYMODE_FRONT_PTYPE(si_translate_fill(state->fill_front)) | 955 S_028814_POLYMODE_BACK_PTYPE(si_translate_fill(state->fill_back))); 956 si_pm4_set_reg(pm4, R_00B130_SPI_SHADER_USER_DATA_VS_0 + 957 SI_SGPR_VS_STATE_BITS * 4, state->clamp_vertex_color); 958 959 /* Precalculate polygon offset states for 16-bit, 24-bit, and 32-bit zbuffers. */ 960 for (i = 0; i < 3; i++) { 961 struct si_pm4_state *pm4 = &rs->pm4_poly_offset[i]; 962 float offset_units = state->offset_units; 963 float offset_scale = state->offset_scale * 16.0f; 964 965 switch (i) { 966 case 0: /* 16-bit zbuffer */ 967 offset_units *= 4.0f; 968 break; 969 case 1: /* 24-bit zbuffer */ 970 offset_units *= 2.0f; 971 break; 972 case 2: /* 32-bit zbuffer */ 973 offset_units *= 1.0f; 974 break; 975 } 976 977 si_pm4_set_reg(pm4, R_028B80_PA_SU_POLY_OFFSET_FRONT_SCALE, 978 fui(offset_scale)); 979 si_pm4_set_reg(pm4, R_028B84_PA_SU_POLY_OFFSET_FRONT_OFFSET, 980 fui(offset_units)); 981 si_pm4_set_reg(pm4, R_028B88_PA_SU_POLY_OFFSET_BACK_SCALE, 982 fui(offset_scale)); 983 si_pm4_set_reg(pm4, R_028B8C_PA_SU_POLY_OFFSET_BACK_OFFSET, 984 fui(offset_units)); 985 } 986 987 return rs; 988} 989 990static void si_bind_rs_state(struct pipe_context *ctx, void *state) 991{ 992 struct si_context *sctx = (struct si_context *)ctx; 993 struct si_state_rasterizer *old_rs = 994 (struct si_state_rasterizer*)sctx->queued.named.rasterizer; 995 struct si_state_rasterizer *rs = (struct si_state_rasterizer *)state; 996 997 if (!state) 998 return; 999 1000 if (sctx->framebuffer.nr_samples > 1 && 1001 (!old_rs || old_rs->multisample_enable != rs->multisample_enable)) 1002 si_mark_atom_dirty(sctx, &sctx->db_render_state); 1003 1004 r600_set_scissor_enable(&sctx->b, rs->scissor_enable); 1005 1006 si_pm4_bind_state(sctx, rasterizer, rs); 1007 si_update_poly_offset_state(sctx); 1008 1009 si_mark_atom_dirty(sctx, &sctx->clip_regs); 1010} 1011 1012static void si_delete_rs_state(struct pipe_context *ctx, void *state) 1013{ 1014 struct si_context *sctx = (struct si_context *)ctx; 1015 1016 if (sctx->queued.named.rasterizer == state) 1017 si_pm4_bind_state(sctx, poly_offset, NULL); 1018 si_pm4_delete_state(sctx, rasterizer, (struct si_state_rasterizer *)state); 1019} 1020 1021/* 1022 * infeered state between dsa and stencil ref 1023 */ 1024static void si_emit_stencil_ref(struct si_context *sctx, struct r600_atom *atom) 1025{ 1026 struct radeon_winsys_cs *cs = sctx->b.gfx.cs; 1027 struct pipe_stencil_ref *ref = &sctx->stencil_ref.state; 1028 struct si_dsa_stencil_ref_part *dsa = &sctx->stencil_ref.dsa_part; 1029 1030 radeon_set_context_reg_seq(cs, R_028430_DB_STENCILREFMASK, 2); 1031 radeon_emit(cs, S_028430_STENCILTESTVAL(ref->ref_value[0]) | 1032 S_028430_STENCILMASK(dsa->valuemask[0]) | 1033 S_028430_STENCILWRITEMASK(dsa->writemask[0]) | 1034 S_028430_STENCILOPVAL(1)); 1035 radeon_emit(cs, S_028434_STENCILTESTVAL_BF(ref->ref_value[1]) | 1036 S_028434_STENCILMASK_BF(dsa->valuemask[1]) | 1037 S_028434_STENCILWRITEMASK_BF(dsa->writemask[1]) | 1038 S_028434_STENCILOPVAL_BF(1)); 1039} 1040 1041static void si_set_stencil_ref(struct pipe_context *ctx, 1042 const struct pipe_stencil_ref *state) 1043{ 1044 struct si_context *sctx = (struct si_context *)ctx; 1045 1046 if (memcmp(&sctx->stencil_ref.state, state, sizeof(*state)) == 0) 1047 return; 1048 1049 sctx->stencil_ref.state = *state; 1050 si_mark_atom_dirty(sctx, &sctx->stencil_ref.atom); 1051} 1052 1053 1054/* 1055 * DSA 1056 */ 1057 1058static uint32_t si_translate_stencil_op(int s_op) 1059{ 1060 switch (s_op) { 1061 case PIPE_STENCIL_OP_KEEP: 1062 return V_02842C_STENCIL_KEEP; 1063 case PIPE_STENCIL_OP_ZERO: 1064 return V_02842C_STENCIL_ZERO; 1065 case PIPE_STENCIL_OP_REPLACE: 1066 return V_02842C_STENCIL_REPLACE_TEST; 1067 case PIPE_STENCIL_OP_INCR: 1068 return V_02842C_STENCIL_ADD_CLAMP; 1069 case PIPE_STENCIL_OP_DECR: 1070 return V_02842C_STENCIL_SUB_CLAMP; 1071 case PIPE_STENCIL_OP_INCR_WRAP: 1072 return V_02842C_STENCIL_ADD_WRAP; 1073 case PIPE_STENCIL_OP_DECR_WRAP: 1074 return V_02842C_STENCIL_SUB_WRAP; 1075 case PIPE_STENCIL_OP_INVERT: 1076 return V_02842C_STENCIL_INVERT; 1077 default: 1078 R600_ERR("Unknown stencil op %d", s_op); 1079 assert(0); 1080 break; 1081 } 1082 return 0; 1083} 1084 1085static void *si_create_dsa_state(struct pipe_context *ctx, 1086 const struct pipe_depth_stencil_alpha_state *state) 1087{ 1088 struct si_state_dsa *dsa = CALLOC_STRUCT(si_state_dsa); 1089 struct si_pm4_state *pm4 = &dsa->pm4; 1090 unsigned db_depth_control; 1091 uint32_t db_stencil_control = 0; 1092 1093 if (!dsa) { 1094 return NULL; 1095 } 1096 1097 dsa->stencil_ref.valuemask[0] = state->stencil[0].valuemask; 1098 dsa->stencil_ref.valuemask[1] = state->stencil[1].valuemask; 1099 dsa->stencil_ref.writemask[0] = state->stencil[0].writemask; 1100 dsa->stencil_ref.writemask[1] = state->stencil[1].writemask; 1101 1102 db_depth_control = S_028800_Z_ENABLE(state->depth.enabled) | 1103 S_028800_Z_WRITE_ENABLE(state->depth.writemask) | 1104 S_028800_ZFUNC(state->depth.func) | 1105 S_028800_DEPTH_BOUNDS_ENABLE(state->depth.bounds_test); 1106 1107 /* stencil */ 1108 if (state->stencil[0].enabled) { 1109 db_depth_control |= S_028800_STENCIL_ENABLE(1); 1110 db_depth_control |= S_028800_STENCILFUNC(state->stencil[0].func); 1111 db_stencil_control |= S_02842C_STENCILFAIL(si_translate_stencil_op(state->stencil[0].fail_op)); 1112 db_stencil_control |= S_02842C_STENCILZPASS(si_translate_stencil_op(state->stencil[0].zpass_op)); 1113 db_stencil_control |= S_02842C_STENCILZFAIL(si_translate_stencil_op(state->stencil[0].zfail_op)); 1114 1115 if (state->stencil[1].enabled) { 1116 db_depth_control |= S_028800_BACKFACE_ENABLE(1); 1117 db_depth_control |= S_028800_STENCILFUNC_BF(state->stencil[1].func); 1118 db_stencil_control |= S_02842C_STENCILFAIL_BF(si_translate_stencil_op(state->stencil[1].fail_op)); 1119 db_stencil_control |= S_02842C_STENCILZPASS_BF(si_translate_stencil_op(state->stencil[1].zpass_op)); 1120 db_stencil_control |= S_02842C_STENCILZFAIL_BF(si_translate_stencil_op(state->stencil[1].zfail_op)); 1121 } 1122 } 1123 1124 /* alpha */ 1125 if (state->alpha.enabled) { 1126 dsa->alpha_func = state->alpha.func; 1127 1128 si_pm4_set_reg(pm4, R_00B030_SPI_SHADER_USER_DATA_PS_0 + 1129 SI_SGPR_ALPHA_REF * 4, fui(state->alpha.ref_value)); 1130 } else { 1131 dsa->alpha_func = PIPE_FUNC_ALWAYS; 1132 } 1133 1134 si_pm4_set_reg(pm4, R_028800_DB_DEPTH_CONTROL, db_depth_control); 1135 si_pm4_set_reg(pm4, R_02842C_DB_STENCIL_CONTROL, db_stencil_control); 1136 if (state->depth.bounds_test) { 1137 si_pm4_set_reg(pm4, R_028020_DB_DEPTH_BOUNDS_MIN, fui(state->depth.bounds_min)); 1138 si_pm4_set_reg(pm4, R_028024_DB_DEPTH_BOUNDS_MAX, fui(state->depth.bounds_max)); 1139 } 1140 1141 return dsa; 1142} 1143 1144static void si_bind_dsa_state(struct pipe_context *ctx, void *state) 1145{ 1146 struct si_context *sctx = (struct si_context *)ctx; 1147 struct si_state_dsa *dsa = state; 1148 1149 if (!state) 1150 return; 1151 1152 si_pm4_bind_state(sctx, dsa, dsa); 1153 1154 if (memcmp(&dsa->stencil_ref, &sctx->stencil_ref.dsa_part, 1155 sizeof(struct si_dsa_stencil_ref_part)) != 0) { 1156 sctx->stencil_ref.dsa_part = dsa->stencil_ref; 1157 si_mark_atom_dirty(sctx, &sctx->stencil_ref.atom); 1158 } 1159} 1160 1161static void si_delete_dsa_state(struct pipe_context *ctx, void *state) 1162{ 1163 struct si_context *sctx = (struct si_context *)ctx; 1164 si_pm4_delete_state(sctx, dsa, (struct si_state_dsa *)state); 1165} 1166 1167static void *si_create_db_flush_dsa(struct si_context *sctx) 1168{ 1169 struct pipe_depth_stencil_alpha_state dsa = {}; 1170 1171 return sctx->b.b.create_depth_stencil_alpha_state(&sctx->b.b, &dsa); 1172} 1173 1174/* DB RENDER STATE */ 1175 1176static void si_set_active_query_state(struct pipe_context *ctx, boolean enable) 1177{ 1178 struct si_context *sctx = (struct si_context*)ctx; 1179 1180 /* Pipeline stat & streamout queries. */ 1181 if (enable) { 1182 sctx->b.flags &= ~R600_CONTEXT_STOP_PIPELINE_STATS; 1183 sctx->b.flags |= R600_CONTEXT_START_PIPELINE_STATS; 1184 } else { 1185 sctx->b.flags &= ~R600_CONTEXT_START_PIPELINE_STATS; 1186 sctx->b.flags |= R600_CONTEXT_STOP_PIPELINE_STATS; 1187 } 1188 1189 /* Occlusion queries. */ 1190 if (sctx->occlusion_queries_disabled != !enable) { 1191 sctx->occlusion_queries_disabled = !enable; 1192 si_mark_atom_dirty(sctx, &sctx->db_render_state); 1193 } 1194} 1195 1196static void si_set_occlusion_query_state(struct pipe_context *ctx, bool enable) 1197{ 1198 struct si_context *sctx = (struct si_context*)ctx; 1199 1200 si_mark_atom_dirty(sctx, &sctx->db_render_state); 1201} 1202 1203static void si_emit_db_render_state(struct si_context *sctx, struct r600_atom *state) 1204{ 1205 struct radeon_winsys_cs *cs = sctx->b.gfx.cs; 1206 struct si_state_rasterizer *rs = sctx->queued.named.rasterizer; 1207 unsigned db_shader_control; 1208 1209 radeon_set_context_reg_seq(cs, R_028000_DB_RENDER_CONTROL, 2); 1210 1211 /* DB_RENDER_CONTROL */ 1212 if (sctx->dbcb_depth_copy_enabled || 1213 sctx->dbcb_stencil_copy_enabled) { 1214 radeon_emit(cs, 1215 S_028000_DEPTH_COPY(sctx->dbcb_depth_copy_enabled) | 1216 S_028000_STENCIL_COPY(sctx->dbcb_stencil_copy_enabled) | 1217 S_028000_COPY_CENTROID(1) | 1218 S_028000_COPY_SAMPLE(sctx->dbcb_copy_sample)); 1219 } else if (sctx->db_flush_depth_inplace || sctx->db_flush_stencil_inplace) { 1220 radeon_emit(cs, 1221 S_028000_DEPTH_COMPRESS_DISABLE(sctx->db_flush_depth_inplace) | 1222 S_028000_STENCIL_COMPRESS_DISABLE(sctx->db_flush_stencil_inplace)); 1223 } else { 1224 radeon_emit(cs, 1225 S_028000_DEPTH_CLEAR_ENABLE(sctx->db_depth_clear) | 1226 S_028000_STENCIL_CLEAR_ENABLE(sctx->db_stencil_clear)); 1227 } 1228 1229 /* DB_COUNT_CONTROL (occlusion queries) */ 1230 if (sctx->b.num_occlusion_queries > 0 && 1231 !sctx->occlusion_queries_disabled) { 1232 bool perfect = sctx->b.num_perfect_occlusion_queries > 0; 1233 1234 if (sctx->b.chip_class >= CIK) { 1235 radeon_emit(cs, 1236 S_028004_PERFECT_ZPASS_COUNTS(perfect) | 1237 S_028004_SAMPLE_RATE(sctx->framebuffer.log_samples) | 1238 S_028004_ZPASS_ENABLE(1) | 1239 S_028004_SLICE_EVEN_ENABLE(1) | 1240 S_028004_SLICE_ODD_ENABLE(1)); 1241 } else { 1242 radeon_emit(cs, 1243 S_028004_PERFECT_ZPASS_COUNTS(perfect) | 1244 S_028004_SAMPLE_RATE(sctx->framebuffer.log_samples)); 1245 } 1246 } else { 1247 /* Disable occlusion queries. */ 1248 if (sctx->b.chip_class >= CIK) { 1249 radeon_emit(cs, 0); 1250 } else { 1251 radeon_emit(cs, S_028004_ZPASS_INCREMENT_DISABLE(1)); 1252 } 1253 } 1254 1255 /* DB_RENDER_OVERRIDE2 */ 1256 radeon_set_context_reg(cs, R_028010_DB_RENDER_OVERRIDE2, 1257 S_028010_DISABLE_ZMASK_EXPCLEAR_OPTIMIZATION(sctx->db_depth_disable_expclear) | 1258 S_028010_DISABLE_SMEM_EXPCLEAR_OPTIMIZATION(sctx->db_stencil_disable_expclear)); 1259 1260 db_shader_control = S_02880C_ALPHA_TO_MASK_DISABLE(sctx->framebuffer.cb0_is_integer) | 1261 sctx->ps_db_shader_control; 1262 1263 /* Bug workaround for smoothing (overrasterization) on SI. */ 1264 if (sctx->b.chip_class == SI && sctx->smoothing_enabled) { 1265 db_shader_control &= C_02880C_Z_ORDER; 1266 db_shader_control |= S_02880C_Z_ORDER(V_02880C_LATE_Z); 1267 } 1268 1269 /* Disable the gl_SampleMask fragment shader output if MSAA is disabled. */ 1270 if (sctx->framebuffer.nr_samples <= 1 || (rs && !rs->multisample_enable)) 1271 db_shader_control &= C_02880C_MASK_EXPORT_ENABLE; 1272 1273 if (sctx->b.family == CHIP_STONEY && 1274 sctx->screen->b.debug_flags & DBG_NO_RB_PLUS) 1275 db_shader_control |= S_02880C_DUAL_QUAD_DISABLE(1); 1276 1277 radeon_set_context_reg(cs, R_02880C_DB_SHADER_CONTROL, 1278 db_shader_control); 1279} 1280 1281/* 1282 * format translation 1283 */ 1284static uint32_t si_translate_colorformat(enum pipe_format format) 1285{ 1286 const struct util_format_description *desc = util_format_description(format); 1287 1288#define HAS_SIZE(x,y,z,w) \ 1289 (desc->channel[0].size == (x) && desc->channel[1].size == (y) && \ 1290 desc->channel[2].size == (z) && desc->channel[3].size == (w)) 1291 1292 if (format == PIPE_FORMAT_R11G11B10_FLOAT) /* isn't plain */ 1293 return V_028C70_COLOR_10_11_11; 1294 1295 if (desc->layout != UTIL_FORMAT_LAYOUT_PLAIN) 1296 return V_028C70_COLOR_INVALID; 1297 1298 switch (desc->nr_channels) { 1299 case 1: 1300 switch (desc->channel[0].size) { 1301 case 8: 1302 return V_028C70_COLOR_8; 1303 case 16: 1304 return V_028C70_COLOR_16; 1305 case 32: 1306 return V_028C70_COLOR_32; 1307 } 1308 break; 1309 case 2: 1310 if (desc->channel[0].size == desc->channel[1].size) { 1311 switch (desc->channel[0].size) { 1312 case 8: 1313 return V_028C70_COLOR_8_8; 1314 case 16: 1315 return V_028C70_COLOR_16_16; 1316 case 32: 1317 return V_028C70_COLOR_32_32; 1318 } 1319 } else if (HAS_SIZE(8,24,0,0)) { 1320 return V_028C70_COLOR_24_8; 1321 } else if (HAS_SIZE(24,8,0,0)) { 1322 return V_028C70_COLOR_8_24; 1323 } 1324 break; 1325 case 3: 1326 if (HAS_SIZE(5,6,5,0)) { 1327 return V_028C70_COLOR_5_6_5; 1328 } else if (HAS_SIZE(32,8,24,0)) { 1329 return V_028C70_COLOR_X24_8_32_FLOAT; 1330 } 1331 break; 1332 case 4: 1333 if (desc->channel[0].size == desc->channel[1].size && 1334 desc->channel[0].size == desc->channel[2].size && 1335 desc->channel[0].size == desc->channel[3].size) { 1336 switch (desc->channel[0].size) { 1337 case 4: 1338 return V_028C70_COLOR_4_4_4_4; 1339 case 8: 1340 return V_028C70_COLOR_8_8_8_8; 1341 case 16: 1342 return V_028C70_COLOR_16_16_16_16; 1343 case 32: 1344 return V_028C70_COLOR_32_32_32_32; 1345 } 1346 } else if (HAS_SIZE(5,5,5,1)) { 1347 return V_028C70_COLOR_1_5_5_5; 1348 } else if (HAS_SIZE(10,10,10,2)) { 1349 return V_028C70_COLOR_2_10_10_10; 1350 } 1351 break; 1352 } 1353 return V_028C70_COLOR_INVALID; 1354} 1355 1356static uint32_t si_colorformat_endian_swap(uint32_t colorformat) 1357{ 1358 if (SI_BIG_ENDIAN) { 1359 switch(colorformat) { 1360 /* 8-bit buffers. */ 1361 case V_028C70_COLOR_8: 1362 return V_028C70_ENDIAN_NONE; 1363 1364 /* 16-bit buffers. */ 1365 case V_028C70_COLOR_5_6_5: 1366 case V_028C70_COLOR_1_5_5_5: 1367 case V_028C70_COLOR_4_4_4_4: 1368 case V_028C70_COLOR_16: 1369 case V_028C70_COLOR_8_8: 1370 return V_028C70_ENDIAN_8IN16; 1371 1372 /* 32-bit buffers. */ 1373 case V_028C70_COLOR_8_8_8_8: 1374 case V_028C70_COLOR_2_10_10_10: 1375 case V_028C70_COLOR_8_24: 1376 case V_028C70_COLOR_24_8: 1377 case V_028C70_COLOR_16_16: 1378 return V_028C70_ENDIAN_8IN32; 1379 1380 /* 64-bit buffers. */ 1381 case V_028C70_COLOR_16_16_16_16: 1382 return V_028C70_ENDIAN_8IN16; 1383 1384 case V_028C70_COLOR_32_32: 1385 return V_028C70_ENDIAN_8IN32; 1386 1387 /* 128-bit buffers. */ 1388 case V_028C70_COLOR_32_32_32_32: 1389 return V_028C70_ENDIAN_8IN32; 1390 default: 1391 return V_028C70_ENDIAN_NONE; /* Unsupported. */ 1392 } 1393 } else { 1394 return V_028C70_ENDIAN_NONE; 1395 } 1396} 1397 1398static uint32_t si_translate_dbformat(enum pipe_format format) 1399{ 1400 switch (format) { 1401 case PIPE_FORMAT_Z16_UNORM: 1402 return V_028040_Z_16; 1403 case PIPE_FORMAT_S8_UINT_Z24_UNORM: 1404 case PIPE_FORMAT_X8Z24_UNORM: 1405 case PIPE_FORMAT_Z24X8_UNORM: 1406 case PIPE_FORMAT_Z24_UNORM_S8_UINT: 1407 return V_028040_Z_24; /* deprecated on SI */ 1408 case PIPE_FORMAT_Z32_FLOAT: 1409 case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT: 1410 return V_028040_Z_32_FLOAT; 1411 default: 1412 return V_028040_Z_INVALID; 1413 } 1414} 1415 1416/* 1417 * Texture translation 1418 */ 1419 1420static uint32_t si_translate_texformat(struct pipe_screen *screen, 1421 enum pipe_format format, 1422 const struct util_format_description *desc, 1423 int first_non_void) 1424{ 1425 struct si_screen *sscreen = (struct si_screen*)screen; 1426 bool enable_compressed_formats = (sscreen->b.info.drm_major == 2 && 1427 sscreen->b.info.drm_minor >= 31) || 1428 sscreen->b.info.drm_major == 3; 1429 boolean uniform = TRUE; 1430 int i; 1431 1432 /* Colorspace (return non-RGB formats directly). */ 1433 switch (desc->colorspace) { 1434 /* Depth stencil formats */ 1435 case UTIL_FORMAT_COLORSPACE_ZS: 1436 switch (format) { 1437 case PIPE_FORMAT_Z16_UNORM: 1438 return V_008F14_IMG_DATA_FORMAT_16; 1439 case PIPE_FORMAT_X24S8_UINT: 1440 case PIPE_FORMAT_Z24X8_UNORM: 1441 case PIPE_FORMAT_Z24_UNORM_S8_UINT: 1442 return V_008F14_IMG_DATA_FORMAT_8_24; 1443 case PIPE_FORMAT_X8Z24_UNORM: 1444 case PIPE_FORMAT_S8X24_UINT: 1445 case PIPE_FORMAT_S8_UINT_Z24_UNORM: 1446 return V_008F14_IMG_DATA_FORMAT_24_8; 1447 case PIPE_FORMAT_S8_UINT: 1448 return V_008F14_IMG_DATA_FORMAT_8; 1449 case PIPE_FORMAT_Z32_FLOAT: 1450 return V_008F14_IMG_DATA_FORMAT_32; 1451 case PIPE_FORMAT_X32_S8X24_UINT: 1452 case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT: 1453 return V_008F14_IMG_DATA_FORMAT_X24_8_32; 1454 default: 1455 goto out_unknown; 1456 } 1457 1458 case UTIL_FORMAT_COLORSPACE_YUV: 1459 goto out_unknown; /* TODO */ 1460 1461 case UTIL_FORMAT_COLORSPACE_SRGB: 1462 if (desc->nr_channels != 4 && desc->nr_channels != 1) 1463 goto out_unknown; 1464 break; 1465 1466 default: 1467 break; 1468 } 1469 1470 if (desc->layout == UTIL_FORMAT_LAYOUT_RGTC) { 1471 if (!enable_compressed_formats) 1472 goto out_unknown; 1473 1474 switch (format) { 1475 case PIPE_FORMAT_RGTC1_SNORM: 1476 case PIPE_FORMAT_LATC1_SNORM: 1477 case PIPE_FORMAT_RGTC1_UNORM: 1478 case PIPE_FORMAT_LATC1_UNORM: 1479 return V_008F14_IMG_DATA_FORMAT_BC4; 1480 case PIPE_FORMAT_RGTC2_SNORM: 1481 case PIPE_FORMAT_LATC2_SNORM: 1482 case PIPE_FORMAT_RGTC2_UNORM: 1483 case PIPE_FORMAT_LATC2_UNORM: 1484 return V_008F14_IMG_DATA_FORMAT_BC5; 1485 default: 1486 goto out_unknown; 1487 } 1488 } 1489 1490 if (desc->layout == UTIL_FORMAT_LAYOUT_ETC && 1491 sscreen->b.family == CHIP_STONEY) { 1492 switch (format) { 1493 case PIPE_FORMAT_ETC1_RGB8: 1494 case PIPE_FORMAT_ETC2_RGB8: 1495 case PIPE_FORMAT_ETC2_SRGB8: 1496 return V_008F14_IMG_DATA_FORMAT_ETC2_RGB; 1497 case PIPE_FORMAT_ETC2_RGB8A1: 1498 case PIPE_FORMAT_ETC2_SRGB8A1: 1499 return V_008F14_IMG_DATA_FORMAT_ETC2_RGBA1; 1500 case PIPE_FORMAT_ETC2_RGBA8: 1501 case PIPE_FORMAT_ETC2_SRGBA8: 1502 return V_008F14_IMG_DATA_FORMAT_ETC2_RGBA; 1503 case PIPE_FORMAT_ETC2_R11_UNORM: 1504 case PIPE_FORMAT_ETC2_R11_SNORM: 1505 return V_008F14_IMG_DATA_FORMAT_ETC2_R; 1506 case PIPE_FORMAT_ETC2_RG11_UNORM: 1507 case PIPE_FORMAT_ETC2_RG11_SNORM: 1508 return V_008F14_IMG_DATA_FORMAT_ETC2_RG; 1509 default: 1510 goto out_unknown; 1511 } 1512 } 1513 1514 if (desc->layout == UTIL_FORMAT_LAYOUT_BPTC) { 1515 if (!enable_compressed_formats) 1516 goto out_unknown; 1517 1518 switch (format) { 1519 case PIPE_FORMAT_BPTC_RGBA_UNORM: 1520 case PIPE_FORMAT_BPTC_SRGBA: 1521 return V_008F14_IMG_DATA_FORMAT_BC7; 1522 case PIPE_FORMAT_BPTC_RGB_FLOAT: 1523 case PIPE_FORMAT_BPTC_RGB_UFLOAT: 1524 return V_008F14_IMG_DATA_FORMAT_BC6; 1525 default: 1526 goto out_unknown; 1527 } 1528 } 1529 1530 if (desc->layout == UTIL_FORMAT_LAYOUT_SUBSAMPLED) { 1531 switch (format) { 1532 case PIPE_FORMAT_R8G8_B8G8_UNORM: 1533 case PIPE_FORMAT_G8R8_B8R8_UNORM: 1534 return V_008F14_IMG_DATA_FORMAT_GB_GR; 1535 case PIPE_FORMAT_G8R8_G8B8_UNORM: 1536 case PIPE_FORMAT_R8G8_R8B8_UNORM: 1537 return V_008F14_IMG_DATA_FORMAT_BG_RG; 1538 default: 1539 goto out_unknown; 1540 } 1541 } 1542 1543 if (desc->layout == UTIL_FORMAT_LAYOUT_S3TC) { 1544 if (!enable_compressed_formats) 1545 goto out_unknown; 1546 1547 if (!util_format_s3tc_enabled) { 1548 goto out_unknown; 1549 } 1550 1551 switch (format) { 1552 case PIPE_FORMAT_DXT1_RGB: 1553 case PIPE_FORMAT_DXT1_RGBA: 1554 case PIPE_FORMAT_DXT1_SRGB: 1555 case PIPE_FORMAT_DXT1_SRGBA: 1556 return V_008F14_IMG_DATA_FORMAT_BC1; 1557 case PIPE_FORMAT_DXT3_RGBA: 1558 case PIPE_FORMAT_DXT3_SRGBA: 1559 return V_008F14_IMG_DATA_FORMAT_BC2; 1560 case PIPE_FORMAT_DXT5_RGBA: 1561 case PIPE_FORMAT_DXT5_SRGBA: 1562 return V_008F14_IMG_DATA_FORMAT_BC3; 1563 default: 1564 goto out_unknown; 1565 } 1566 } 1567 1568 if (format == PIPE_FORMAT_R9G9B9E5_FLOAT) { 1569 return V_008F14_IMG_DATA_FORMAT_5_9_9_9; 1570 } else if (format == PIPE_FORMAT_R11G11B10_FLOAT) { 1571 return V_008F14_IMG_DATA_FORMAT_10_11_11; 1572 } 1573 1574 /* R8G8Bx_SNORM - TODO CxV8U8 */ 1575 1576 /* See whether the components are of the same size. */ 1577 for (i = 1; i < desc->nr_channels; i++) { 1578 uniform = uniform && desc->channel[0].size == desc->channel[i].size; 1579 } 1580 1581 /* Non-uniform formats. */ 1582 if (!uniform) { 1583 switch(desc->nr_channels) { 1584 case 3: 1585 if (desc->channel[0].size == 5 && 1586 desc->channel[1].size == 6 && 1587 desc->channel[2].size == 5) { 1588 return V_008F14_IMG_DATA_FORMAT_5_6_5; 1589 } 1590 goto out_unknown; 1591 case 4: 1592 if (desc->channel[0].size == 5 && 1593 desc->channel[1].size == 5 && 1594 desc->channel[2].size == 5 && 1595 desc->channel[3].size == 1) { 1596 return V_008F14_IMG_DATA_FORMAT_1_5_5_5; 1597 } 1598 if (desc->channel[0].size == 10 && 1599 desc->channel[1].size == 10 && 1600 desc->channel[2].size == 10 && 1601 desc->channel[3].size == 2) { 1602 return V_008F14_IMG_DATA_FORMAT_2_10_10_10; 1603 } 1604 goto out_unknown; 1605 } 1606 goto out_unknown; 1607 } 1608 1609 if (first_non_void < 0 || first_non_void > 3) 1610 goto out_unknown; 1611 1612 /* uniform formats */ 1613 switch (desc->channel[first_non_void].size) { 1614 case 4: 1615 switch (desc->nr_channels) { 1616#if 0 /* Not supported for render targets */ 1617 case 2: 1618 return V_008F14_IMG_DATA_FORMAT_4_4; 1619#endif 1620 case 4: 1621 return V_008F14_IMG_DATA_FORMAT_4_4_4_4; 1622 } 1623 break; 1624 case 8: 1625 switch (desc->nr_channels) { 1626 case 1: 1627 return V_008F14_IMG_DATA_FORMAT_8; 1628 case 2: 1629 return V_008F14_IMG_DATA_FORMAT_8_8; 1630 case 4: 1631 return V_008F14_IMG_DATA_FORMAT_8_8_8_8; 1632 } 1633 break; 1634 case 16: 1635 switch (desc->nr_channels) { 1636 case 1: 1637 return V_008F14_IMG_DATA_FORMAT_16; 1638 case 2: 1639 return V_008F14_IMG_DATA_FORMAT_16_16; 1640 case 4: 1641 return V_008F14_IMG_DATA_FORMAT_16_16_16_16; 1642 } 1643 break; 1644 case 32: 1645 switch (desc->nr_channels) { 1646 case 1: 1647 return V_008F14_IMG_DATA_FORMAT_32; 1648 case 2: 1649 return V_008F14_IMG_DATA_FORMAT_32_32; 1650#if 0 /* Not supported for render targets */ 1651 case 3: 1652 return V_008F14_IMG_DATA_FORMAT_32_32_32; 1653#endif 1654 case 4: 1655 return V_008F14_IMG_DATA_FORMAT_32_32_32_32; 1656 } 1657 } 1658 1659out_unknown: 1660 /* R600_ERR("Unable to handle texformat %d %s\n", format, util_format_name(format)); */ 1661 return ~0; 1662} 1663 1664static unsigned si_tex_wrap(unsigned wrap) 1665{ 1666 switch (wrap) { 1667 default: 1668 case PIPE_TEX_WRAP_REPEAT: 1669 return V_008F30_SQ_TEX_WRAP; 1670 case PIPE_TEX_WRAP_CLAMP: 1671 return V_008F30_SQ_TEX_CLAMP_HALF_BORDER; 1672 case PIPE_TEX_WRAP_CLAMP_TO_EDGE: 1673 return V_008F30_SQ_TEX_CLAMP_LAST_TEXEL; 1674 case PIPE_TEX_WRAP_CLAMP_TO_BORDER: 1675 return V_008F30_SQ_TEX_CLAMP_BORDER; 1676 case PIPE_TEX_WRAP_MIRROR_REPEAT: 1677 return V_008F30_SQ_TEX_MIRROR; 1678 case PIPE_TEX_WRAP_MIRROR_CLAMP: 1679 return V_008F30_SQ_TEX_MIRROR_ONCE_HALF_BORDER; 1680 case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE: 1681 return V_008F30_SQ_TEX_MIRROR_ONCE_LAST_TEXEL; 1682 case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER: 1683 return V_008F30_SQ_TEX_MIRROR_ONCE_BORDER; 1684 } 1685} 1686 1687static unsigned si_tex_mipfilter(unsigned filter) 1688{ 1689 switch (filter) { 1690 case PIPE_TEX_MIPFILTER_NEAREST: 1691 return V_008F38_SQ_TEX_Z_FILTER_POINT; 1692 case PIPE_TEX_MIPFILTER_LINEAR: 1693 return V_008F38_SQ_TEX_Z_FILTER_LINEAR; 1694 default: 1695 case PIPE_TEX_MIPFILTER_NONE: 1696 return V_008F38_SQ_TEX_Z_FILTER_NONE; 1697 } 1698} 1699 1700static unsigned si_tex_compare(unsigned compare) 1701{ 1702 switch (compare) { 1703 default: 1704 case PIPE_FUNC_NEVER: 1705 return V_008F30_SQ_TEX_DEPTH_COMPARE_NEVER; 1706 case PIPE_FUNC_LESS: 1707 return V_008F30_SQ_TEX_DEPTH_COMPARE_LESS; 1708 case PIPE_FUNC_EQUAL: 1709 return V_008F30_SQ_TEX_DEPTH_COMPARE_EQUAL; 1710 case PIPE_FUNC_LEQUAL: 1711 return V_008F30_SQ_TEX_DEPTH_COMPARE_LESSEQUAL; 1712 case PIPE_FUNC_GREATER: 1713 return V_008F30_SQ_TEX_DEPTH_COMPARE_GREATER; 1714 case PIPE_FUNC_NOTEQUAL: 1715 return V_008F30_SQ_TEX_DEPTH_COMPARE_NOTEQUAL; 1716 case PIPE_FUNC_GEQUAL: 1717 return V_008F30_SQ_TEX_DEPTH_COMPARE_GREATEREQUAL; 1718 case PIPE_FUNC_ALWAYS: 1719 return V_008F30_SQ_TEX_DEPTH_COMPARE_ALWAYS; 1720 } 1721} 1722 1723static unsigned si_tex_dim(unsigned res_target, unsigned view_target, 1724 unsigned nr_samples) 1725{ 1726 if (view_target == PIPE_TEXTURE_CUBE || 1727 view_target == PIPE_TEXTURE_CUBE_ARRAY) 1728 res_target = view_target; 1729 1730 switch (res_target) { 1731 default: 1732 case PIPE_TEXTURE_1D: 1733 return V_008F1C_SQ_RSRC_IMG_1D; 1734 case PIPE_TEXTURE_1D_ARRAY: 1735 return V_008F1C_SQ_RSRC_IMG_1D_ARRAY; 1736 case PIPE_TEXTURE_2D: 1737 case PIPE_TEXTURE_RECT: 1738 return nr_samples > 1 ? V_008F1C_SQ_RSRC_IMG_2D_MSAA : 1739 V_008F1C_SQ_RSRC_IMG_2D; 1740 case PIPE_TEXTURE_2D_ARRAY: 1741 return nr_samples > 1 ? V_008F1C_SQ_RSRC_IMG_2D_MSAA_ARRAY : 1742 V_008F1C_SQ_RSRC_IMG_2D_ARRAY; 1743 case PIPE_TEXTURE_3D: 1744 return V_008F1C_SQ_RSRC_IMG_3D; 1745 case PIPE_TEXTURE_CUBE: 1746 case PIPE_TEXTURE_CUBE_ARRAY: 1747 return V_008F1C_SQ_RSRC_IMG_CUBE; 1748 } 1749} 1750 1751/* 1752 * Format support testing 1753 */ 1754 1755static bool si_is_sampler_format_supported(struct pipe_screen *screen, enum pipe_format format) 1756{ 1757 return si_translate_texformat(screen, format, util_format_description(format), 1758 util_format_get_first_non_void_channel(format)) != ~0U; 1759} 1760 1761static uint32_t si_translate_buffer_dataformat(struct pipe_screen *screen, 1762 const struct util_format_description *desc, 1763 int first_non_void) 1764{ 1765 if (first_non_void < 0) 1766 return V_008F0C_BUF_DATA_FORMAT_INVALID; 1767 1768 unsigned type = desc->channel[first_non_void].type; 1769 int i; 1770 1771 if (type == UTIL_FORMAT_TYPE_FIXED) 1772 return V_008F0C_BUF_DATA_FORMAT_INVALID; 1773 1774 if (desc->format == PIPE_FORMAT_R11G11B10_FLOAT) 1775 return V_008F0C_BUF_DATA_FORMAT_10_11_11; 1776 1777 if (desc->nr_channels == 4 && 1778 desc->channel[0].size == 10 && 1779 desc->channel[1].size == 10 && 1780 desc->channel[2].size == 10 && 1781 desc->channel[3].size == 2) 1782 return V_008F0C_BUF_DATA_FORMAT_2_10_10_10; 1783 1784 /* See whether the components are of the same size. */ 1785 for (i = 0; i < desc->nr_channels; i++) { 1786 if (desc->channel[first_non_void].size != desc->channel[i].size) 1787 return V_008F0C_BUF_DATA_FORMAT_INVALID; 1788 } 1789 1790 switch (desc->channel[first_non_void].size) { 1791 case 8: 1792 switch (desc->nr_channels) { 1793 case 1: 1794 return V_008F0C_BUF_DATA_FORMAT_8; 1795 case 2: 1796 return V_008F0C_BUF_DATA_FORMAT_8_8; 1797 case 3: 1798 case 4: 1799 return V_008F0C_BUF_DATA_FORMAT_8_8_8_8; 1800 } 1801 break; 1802 case 16: 1803 switch (desc->nr_channels) { 1804 case 1: 1805 return V_008F0C_BUF_DATA_FORMAT_16; 1806 case 2: 1807 return V_008F0C_BUF_DATA_FORMAT_16_16; 1808 case 3: 1809 case 4: 1810 return V_008F0C_BUF_DATA_FORMAT_16_16_16_16; 1811 } 1812 break; 1813 case 32: 1814 /* From the Southern Islands ISA documentation about MTBUF: 1815 * 'Memory reads of data in memory that is 32 or 64 bits do not 1816 * undergo any format conversion.' 1817 */ 1818 if (type != UTIL_FORMAT_TYPE_FLOAT && 1819 !desc->channel[first_non_void].pure_integer) 1820 return V_008F0C_BUF_DATA_FORMAT_INVALID; 1821 1822 switch (desc->nr_channels) { 1823 case 1: 1824 return V_008F0C_BUF_DATA_FORMAT_32; 1825 case 2: 1826 return V_008F0C_BUF_DATA_FORMAT_32_32; 1827 case 3: 1828 return V_008F0C_BUF_DATA_FORMAT_32_32_32; 1829 case 4: 1830 return V_008F0C_BUF_DATA_FORMAT_32_32_32_32; 1831 } 1832 break; 1833 } 1834 1835 return V_008F0C_BUF_DATA_FORMAT_INVALID; 1836} 1837 1838static uint32_t si_translate_buffer_numformat(struct pipe_screen *screen, 1839 const struct util_format_description *desc, 1840 int first_non_void) 1841{ 1842 if (desc->format == PIPE_FORMAT_R11G11B10_FLOAT || first_non_void < 0) 1843 return V_008F0C_BUF_NUM_FORMAT_FLOAT; 1844 1845 switch (desc->channel[first_non_void].type) { 1846 case UTIL_FORMAT_TYPE_SIGNED: 1847 if (desc->channel[first_non_void].normalized) 1848 return V_008F0C_BUF_NUM_FORMAT_SNORM; 1849 else if (desc->channel[first_non_void].pure_integer) 1850 return V_008F0C_BUF_NUM_FORMAT_SINT; 1851 else 1852 return V_008F0C_BUF_NUM_FORMAT_SSCALED; 1853 break; 1854 case UTIL_FORMAT_TYPE_UNSIGNED: 1855 if (desc->channel[first_non_void].normalized) 1856 return V_008F0C_BUF_NUM_FORMAT_UNORM; 1857 else if (desc->channel[first_non_void].pure_integer) 1858 return V_008F0C_BUF_NUM_FORMAT_UINT; 1859 else 1860 return V_008F0C_BUF_NUM_FORMAT_USCALED; 1861 break; 1862 case UTIL_FORMAT_TYPE_FLOAT: 1863 default: 1864 return V_008F0C_BUF_NUM_FORMAT_FLOAT; 1865 } 1866} 1867 1868static bool si_is_vertex_format_supported(struct pipe_screen *screen, enum pipe_format format) 1869{ 1870 const struct util_format_description *desc; 1871 int first_non_void; 1872 unsigned data_format; 1873 1874 desc = util_format_description(format); 1875 first_non_void = util_format_get_first_non_void_channel(format); 1876 data_format = si_translate_buffer_dataformat(screen, desc, first_non_void); 1877 return data_format != V_008F0C_BUF_DATA_FORMAT_INVALID; 1878} 1879 1880static bool si_is_colorbuffer_format_supported(enum pipe_format format) 1881{ 1882 return si_translate_colorformat(format) != V_028C70_COLOR_INVALID && 1883 r600_translate_colorswap(format, FALSE) != ~0U; 1884} 1885 1886static bool si_is_zs_format_supported(enum pipe_format format) 1887{ 1888 return si_translate_dbformat(format) != V_028040_Z_INVALID; 1889} 1890 1891boolean si_is_format_supported(struct pipe_screen *screen, 1892 enum pipe_format format, 1893 enum pipe_texture_target target, 1894 unsigned sample_count, 1895 unsigned usage) 1896{ 1897 unsigned retval = 0; 1898 1899 if (target >= PIPE_MAX_TEXTURE_TYPES) { 1900 R600_ERR("r600: unsupported texture type %d\n", target); 1901 return FALSE; 1902 } 1903 1904 if (!util_format_is_supported(format, usage)) 1905 return FALSE; 1906 1907 if (sample_count > 1) { 1908 if (!screen->get_param(screen, PIPE_CAP_TEXTURE_MULTISAMPLE)) 1909 return FALSE; 1910 1911 switch (sample_count) { 1912 case 2: 1913 case 4: 1914 case 8: 1915 break; 1916 case 16: 1917 if (format == PIPE_FORMAT_NONE) 1918 return TRUE; 1919 else 1920 return FALSE; 1921 default: 1922 return FALSE; 1923 } 1924 } 1925 1926 if (usage & PIPE_BIND_SAMPLER_VIEW) { 1927 if (target == PIPE_BUFFER) { 1928 if (si_is_vertex_format_supported(screen, format)) 1929 retval |= PIPE_BIND_SAMPLER_VIEW; 1930 } else { 1931 if (si_is_sampler_format_supported(screen, format)) 1932 retval |= PIPE_BIND_SAMPLER_VIEW; 1933 } 1934 } 1935 1936 if ((usage & (PIPE_BIND_RENDER_TARGET | 1937 PIPE_BIND_DISPLAY_TARGET | 1938 PIPE_BIND_SCANOUT | 1939 PIPE_BIND_SHARED | 1940 PIPE_BIND_BLENDABLE)) && 1941 si_is_colorbuffer_format_supported(format)) { 1942 retval |= usage & 1943 (PIPE_BIND_RENDER_TARGET | 1944 PIPE_BIND_DISPLAY_TARGET | 1945 PIPE_BIND_SCANOUT | 1946 PIPE_BIND_SHARED); 1947 if (!util_format_is_pure_integer(format) && 1948 !util_format_is_depth_or_stencil(format)) 1949 retval |= usage & PIPE_BIND_BLENDABLE; 1950 } 1951 1952 if ((usage & PIPE_BIND_DEPTH_STENCIL) && 1953 si_is_zs_format_supported(format)) { 1954 retval |= PIPE_BIND_DEPTH_STENCIL; 1955 } 1956 1957 if ((usage & PIPE_BIND_VERTEX_BUFFER) && 1958 si_is_vertex_format_supported(screen, format)) { 1959 retval |= PIPE_BIND_VERTEX_BUFFER; 1960 } 1961 1962 if (usage & PIPE_BIND_TRANSFER_READ) 1963 retval |= PIPE_BIND_TRANSFER_READ; 1964 if (usage & PIPE_BIND_TRANSFER_WRITE) 1965 retval |= PIPE_BIND_TRANSFER_WRITE; 1966 1967 if ((usage & PIPE_BIND_LINEAR) && 1968 !util_format_is_compressed(format) && 1969 !(usage & PIPE_BIND_DEPTH_STENCIL)) 1970 retval |= PIPE_BIND_LINEAR; 1971 1972 return retval == usage; 1973} 1974 1975unsigned si_tile_mode_index(struct r600_texture *rtex, unsigned level, bool stencil) 1976{ 1977 unsigned tile_mode_index = 0; 1978 1979 if (stencil) { 1980 tile_mode_index = rtex->surface.stencil_tiling_index[level]; 1981 } else { 1982 tile_mode_index = rtex->surface.tiling_index[level]; 1983 } 1984 return tile_mode_index; 1985} 1986 1987/* 1988 * framebuffer handling 1989 */ 1990 1991static void si_choose_spi_color_formats(struct r600_surface *surf, 1992 unsigned format, unsigned swap, 1993 unsigned ntype, bool is_depth) 1994{ 1995 /* Alpha is needed for alpha-to-coverage. 1996 * Blending may be with or without alpha. 1997 */ 1998 unsigned normal = 0; /* most optimal, may not support blending or export alpha */ 1999 unsigned alpha = 0; /* exports alpha, but may not support blending */ 2000 unsigned blend = 0; /* supports blending, but may not export alpha */ 2001 unsigned blend_alpha = 0; /* least optimal, supports blending and exports alpha */ 2002 2003 /* Choose the SPI color formats. These are required values for Stoney/RB+. 2004 * Other chips have multiple choices, though they are not necessarily better. 2005 */ 2006 switch (format) { 2007 case V_028C70_COLOR_5_6_5: 2008 case V_028C70_COLOR_1_5_5_5: 2009 case V_028C70_COLOR_5_5_5_1: 2010 case V_028C70_COLOR_4_4_4_4: 2011 case V_028C70_COLOR_10_11_11: 2012 case V_028C70_COLOR_11_11_10: 2013 case V_028C70_COLOR_8: 2014 case V_028C70_COLOR_8_8: 2015 case V_028C70_COLOR_8_8_8_8: 2016 case V_028C70_COLOR_10_10_10_2: 2017 case V_028C70_COLOR_2_10_10_10: 2018 if (ntype == V_028C70_NUMBER_UINT) 2019 alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_UINT16_ABGR; 2020 else if (ntype == V_028C70_NUMBER_SINT) 2021 alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_SINT16_ABGR; 2022 else 2023 alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_FP16_ABGR; 2024 break; 2025 2026 case V_028C70_COLOR_16: 2027 case V_028C70_COLOR_16_16: 2028 case V_028C70_COLOR_16_16_16_16: 2029 if (ntype == V_028C70_NUMBER_UNORM || 2030 ntype == V_028C70_NUMBER_SNORM) { 2031 /* UNORM16 and SNORM16 don't support blending */ 2032 if (ntype == V_028C70_NUMBER_UNORM) 2033 normal = alpha = V_028714_SPI_SHADER_UNORM16_ABGR; 2034 else 2035 normal = alpha = V_028714_SPI_SHADER_SNORM16_ABGR; 2036 2037 /* Use 32 bits per channel for blending. */ 2038 if (format == V_028C70_COLOR_16) { 2039 if (swap == V_028C70_SWAP_STD) { /* R */ 2040 blend = V_028714_SPI_SHADER_32_R; 2041 blend_alpha = V_028714_SPI_SHADER_32_AR; 2042 } else if (swap == V_028C70_SWAP_ALT_REV) /* A */ 2043 blend = blend_alpha = V_028714_SPI_SHADER_32_AR; 2044 else 2045 assert(0); 2046 } else if (format == V_028C70_COLOR_16_16) { 2047 if (swap == V_028C70_SWAP_STD) { /* RG */ 2048 blend = V_028714_SPI_SHADER_32_GR; 2049 blend_alpha = V_028714_SPI_SHADER_32_ABGR; 2050 } else if (swap == V_028C70_SWAP_ALT) /* RA */ 2051 blend = blend_alpha = V_028714_SPI_SHADER_32_AR; 2052 else 2053 assert(0); 2054 } else /* 16_16_16_16 */ 2055 blend = blend_alpha = V_028714_SPI_SHADER_32_ABGR; 2056 } else if (ntype == V_028C70_NUMBER_UINT) 2057 alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_UINT16_ABGR; 2058 else if (ntype == V_028C70_NUMBER_SINT) 2059 alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_SINT16_ABGR; 2060 else if (ntype == V_028C70_NUMBER_FLOAT) 2061 alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_FP16_ABGR; 2062 else 2063 assert(0); 2064 break; 2065 2066 case V_028C70_COLOR_32: 2067 if (swap == V_028C70_SWAP_STD) { /* R */ 2068 blend = normal = V_028714_SPI_SHADER_32_R; 2069 alpha = blend_alpha = V_028714_SPI_SHADER_32_AR; 2070 } else if (swap == V_028C70_SWAP_ALT_REV) /* A */ 2071 alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_32_AR; 2072 else 2073 assert(0); 2074 break; 2075 2076 case V_028C70_COLOR_32_32: 2077 if (swap == V_028C70_SWAP_STD) { /* RG */ 2078 blend = normal = V_028714_SPI_SHADER_32_GR; 2079 alpha = blend_alpha = V_028714_SPI_SHADER_32_ABGR; 2080 } else if (swap == V_028C70_SWAP_ALT) /* RA */ 2081 alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_32_AR; 2082 else 2083 assert(0); 2084 break; 2085 2086 case V_028C70_COLOR_32_32_32_32: 2087 case V_028C70_COLOR_8_24: 2088 case V_028C70_COLOR_24_8: 2089 case V_028C70_COLOR_X24_8_32_FLOAT: 2090 alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_32_ABGR; 2091 break; 2092 2093 default: 2094 assert(0); 2095 return; 2096 } 2097 2098 /* The DB->CB copy needs 32_ABGR. */ 2099 if (is_depth) 2100 alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_32_ABGR; 2101 2102 surf->spi_shader_col_format = normal; 2103 surf->spi_shader_col_format_alpha = alpha; 2104 surf->spi_shader_col_format_blend = blend; 2105 surf->spi_shader_col_format_blend_alpha = blend_alpha; 2106} 2107 2108static void si_initialize_color_surface(struct si_context *sctx, 2109 struct r600_surface *surf) 2110{ 2111 struct r600_texture *rtex = (struct r600_texture*)surf->base.texture; 2112 unsigned level = surf->base.u.tex.level; 2113 uint64_t offset = rtex->surface.level[level].offset; 2114 unsigned pitch, slice; 2115 unsigned color_info, color_attrib, color_pitch, color_view; 2116 unsigned tile_mode_index; 2117 unsigned format, swap, ntype, endian; 2118 const struct util_format_description *desc; 2119 int i; 2120 unsigned blend_clamp = 0, blend_bypass = 0; 2121 2122 /* Layered rendering doesn't work with LINEAR_GENERAL. 2123 * (LINEAR_ALIGNED and others work) */ 2124 if (rtex->surface.level[level].mode == RADEON_SURF_MODE_LINEAR) { 2125 assert(surf->base.u.tex.first_layer == surf->base.u.tex.last_layer); 2126 offset += rtex->surface.level[level].slice_size * 2127 surf->base.u.tex.first_layer; 2128 color_view = 0; 2129 } else { 2130 color_view = S_028C6C_SLICE_START(surf->base.u.tex.first_layer) | 2131 S_028C6C_SLICE_MAX(surf->base.u.tex.last_layer); 2132 } 2133 2134 pitch = (rtex->surface.level[level].nblk_x) / 8 - 1; 2135 slice = (rtex->surface.level[level].nblk_x * rtex->surface.level[level].nblk_y) / 64; 2136 if (slice) { 2137 slice = slice - 1; 2138 } 2139 2140 tile_mode_index = si_tile_mode_index(rtex, level, false); 2141 2142 desc = util_format_description(surf->base.format); 2143 for (i = 0; i < 4; i++) { 2144 if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) { 2145 break; 2146 } 2147 } 2148 if (i == 4 || desc->channel[i].type == UTIL_FORMAT_TYPE_FLOAT) { 2149 ntype = V_028C70_NUMBER_FLOAT; 2150 } else { 2151 ntype = V_028C70_NUMBER_UNORM; 2152 if (desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB) 2153 ntype = V_028C70_NUMBER_SRGB; 2154 else if (desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED) { 2155 if (desc->channel[i].pure_integer) { 2156 ntype = V_028C70_NUMBER_SINT; 2157 } else { 2158 assert(desc->channel[i].normalized); 2159 ntype = V_028C70_NUMBER_SNORM; 2160 } 2161 } else if (desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED) { 2162 if (desc->channel[i].pure_integer) { 2163 ntype = V_028C70_NUMBER_UINT; 2164 } else { 2165 assert(desc->channel[i].normalized); 2166 ntype = V_028C70_NUMBER_UNORM; 2167 } 2168 } 2169 } 2170 2171 format = si_translate_colorformat(surf->base.format); 2172 if (format == V_028C70_COLOR_INVALID) { 2173 R600_ERR("Invalid CB format: %d, disabling CB.\n", surf->base.format); 2174 } 2175 assert(format != V_028C70_COLOR_INVALID); 2176 swap = r600_translate_colorswap(surf->base.format, FALSE); 2177 endian = si_colorformat_endian_swap(format); 2178 2179 /* blend clamp should be set for all NORM/SRGB types */ 2180 if (ntype == V_028C70_NUMBER_UNORM || 2181 ntype == V_028C70_NUMBER_SNORM || 2182 ntype == V_028C70_NUMBER_SRGB) 2183 blend_clamp = 1; 2184 2185 /* set blend bypass according to docs if SINT/UINT or 2186 8/24 COLOR variants */ 2187 if (ntype == V_028C70_NUMBER_UINT || ntype == V_028C70_NUMBER_SINT || 2188 format == V_028C70_COLOR_8_24 || format == V_028C70_COLOR_24_8 || 2189 format == V_028C70_COLOR_X24_8_32_FLOAT) { 2190 blend_clamp = 0; 2191 blend_bypass = 1; 2192 } 2193 2194 if ((ntype == V_028C70_NUMBER_UINT || ntype == V_028C70_NUMBER_SINT) && 2195 (format == V_028C70_COLOR_8 || 2196 format == V_028C70_COLOR_8_8 || 2197 format == V_028C70_COLOR_8_8_8_8)) 2198 surf->color_is_int8 = true; 2199 2200 color_info = S_028C70_FORMAT(format) | 2201 S_028C70_COMP_SWAP(swap) | 2202 S_028C70_BLEND_CLAMP(blend_clamp) | 2203 S_028C70_BLEND_BYPASS(blend_bypass) | 2204 S_028C70_NUMBER_TYPE(ntype) | 2205 S_028C70_ENDIAN(endian); 2206 2207 color_pitch = S_028C64_TILE_MAX(pitch); 2208 2209 /* Intensity is implemented as Red, so treat it that way. */ 2210 color_attrib = S_028C74_TILE_MODE_INDEX(tile_mode_index) | 2211 S_028C74_FORCE_DST_ALPHA_1(desc->swizzle[3] == PIPE_SWIZZLE_1 || 2212 util_format_is_intensity(surf->base.format)); 2213 2214 if (rtex->resource.b.b.nr_samples > 1) { 2215 unsigned log_samples = util_logbase2(rtex->resource.b.b.nr_samples); 2216 2217 color_attrib |= S_028C74_NUM_SAMPLES(log_samples) | 2218 S_028C74_NUM_FRAGMENTS(log_samples); 2219 2220 if (rtex->fmask.size) { 2221 color_info |= S_028C70_COMPRESSION(1); 2222 unsigned fmask_bankh = util_logbase2(rtex->fmask.bank_height); 2223 2224 color_attrib |= S_028C74_FMASK_TILE_MODE_INDEX(rtex->fmask.tile_mode_index); 2225 2226 if (sctx->b.chip_class == SI) { 2227 /* due to a hw bug, FMASK_BANK_HEIGHT must be set on SI too */ 2228 color_attrib |= S_028C74_FMASK_BANK_HEIGHT(fmask_bankh); 2229 } 2230 if (sctx->b.chip_class >= CIK) { 2231 color_pitch |= S_028C64_FMASK_TILE_MAX(rtex->fmask.pitch_in_pixels / 8 - 1); 2232 } 2233 } 2234 } 2235 2236 offset += rtex->resource.gpu_address; 2237 2238 surf->cb_color_base = offset >> 8; 2239 surf->cb_color_pitch = color_pitch; 2240 surf->cb_color_slice = S_028C68_TILE_MAX(slice); 2241 surf->cb_color_view = color_view; 2242 surf->cb_color_info = color_info; 2243 surf->cb_color_attrib = color_attrib; 2244 2245 if (sctx->b.chip_class >= VI && rtex->dcc_offset) { 2246 unsigned max_uncompressed_block_size = 2; 2247 2248 if (rtex->surface.nsamples > 1) { 2249 if (rtex->surface.bpe == 1) 2250 max_uncompressed_block_size = 0; 2251 else if (rtex->surface.bpe == 2) 2252 max_uncompressed_block_size = 1; 2253 } 2254 2255 surf->cb_dcc_control = S_028C78_MAX_UNCOMPRESSED_BLOCK_SIZE(max_uncompressed_block_size) | 2256 S_028C78_INDEPENDENT_64B_BLOCKS(1); 2257 surf->cb_dcc_base = (rtex->resource.gpu_address + 2258 rtex->dcc_offset + 2259 rtex->surface.level[level].dcc_offset) >> 8; 2260 } 2261 2262 if (rtex->fmask.size) { 2263 surf->cb_color_fmask = (offset + rtex->fmask.offset) >> 8; 2264 surf->cb_color_fmask_slice = S_028C88_TILE_MAX(rtex->fmask.slice_tile_max); 2265 } else { 2266 /* This must be set for fast clear to work without FMASK. */ 2267 surf->cb_color_fmask = surf->cb_color_base; 2268 surf->cb_color_fmask_slice = surf->cb_color_slice; 2269 surf->cb_color_attrib |= S_028C74_FMASK_TILE_MODE_INDEX(tile_mode_index); 2270 2271 if (sctx->b.chip_class == SI) { 2272 unsigned bankh = util_logbase2(rtex->surface.bankh); 2273 surf->cb_color_attrib |= S_028C74_FMASK_BANK_HEIGHT(bankh); 2274 } 2275 2276 if (sctx->b.chip_class >= CIK) { 2277 surf->cb_color_pitch |= S_028C64_FMASK_TILE_MAX(pitch); 2278 } 2279 } 2280 2281 /* Determine pixel shader export format */ 2282 si_choose_spi_color_formats(surf, format, swap, ntype, rtex->is_depth); 2283 2284 surf->color_initialized = true; 2285} 2286 2287static void si_init_depth_surface(struct si_context *sctx, 2288 struct r600_surface *surf) 2289{ 2290 struct si_screen *sscreen = sctx->screen; 2291 struct r600_texture *rtex = (struct r600_texture*)surf->base.texture; 2292 unsigned level = surf->base.u.tex.level; 2293 struct radeon_surf_level *levelinfo = &rtex->surface.level[level]; 2294 unsigned format, tile_mode_index, array_mode; 2295 unsigned macro_aspect, tile_split, stile_split, bankh, bankw, nbanks, pipe_config; 2296 uint32_t z_info, s_info, db_depth_info; 2297 uint64_t z_offs, s_offs; 2298 uint32_t db_htile_data_base, db_htile_surface, pa_su_poly_offset_db_fmt_cntl = 0; 2299 2300 switch (sctx->framebuffer.state.zsbuf->texture->format) { 2301 case PIPE_FORMAT_S8_UINT_Z24_UNORM: 2302 case PIPE_FORMAT_X8Z24_UNORM: 2303 case PIPE_FORMAT_Z24X8_UNORM: 2304 case PIPE_FORMAT_Z24_UNORM_S8_UINT: 2305 pa_su_poly_offset_db_fmt_cntl = S_028B78_POLY_OFFSET_NEG_NUM_DB_BITS(-24); 2306 break; 2307 case PIPE_FORMAT_Z32_FLOAT: 2308 case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT: 2309 pa_su_poly_offset_db_fmt_cntl = S_028B78_POLY_OFFSET_NEG_NUM_DB_BITS(-23) | 2310 S_028B78_POLY_OFFSET_DB_IS_FLOAT_FMT(1); 2311 break; 2312 case PIPE_FORMAT_Z16_UNORM: 2313 pa_su_poly_offset_db_fmt_cntl = S_028B78_POLY_OFFSET_NEG_NUM_DB_BITS(-16); 2314 break; 2315 default: 2316 assert(0); 2317 } 2318 2319 format = si_translate_dbformat(rtex->resource.b.b.format); 2320 2321 if (format == V_028040_Z_INVALID) { 2322 R600_ERR("Invalid DB format: %d, disabling DB.\n", rtex->resource.b.b.format); 2323 } 2324 assert(format != V_028040_Z_INVALID); 2325 2326 s_offs = z_offs = rtex->resource.gpu_address; 2327 z_offs += rtex->surface.level[level].offset; 2328 s_offs += rtex->surface.stencil_level[level].offset; 2329 2330 db_depth_info = S_02803C_ADDR5_SWIZZLE_MASK(1); 2331 2332 z_info = S_028040_FORMAT(format); 2333 if (rtex->resource.b.b.nr_samples > 1) { 2334 z_info |= S_028040_NUM_SAMPLES(util_logbase2(rtex->resource.b.b.nr_samples)); 2335 } 2336 2337 if (rtex->surface.flags & RADEON_SURF_SBUFFER) 2338 s_info = S_028044_FORMAT(V_028044_STENCIL_8); 2339 else 2340 s_info = S_028044_FORMAT(V_028044_STENCIL_INVALID); 2341 2342 if (sctx->b.chip_class >= CIK) { 2343 switch (rtex->surface.level[level].mode) { 2344 case RADEON_SURF_MODE_2D: 2345 array_mode = V_02803C_ARRAY_2D_TILED_THIN1; 2346 break; 2347 case RADEON_SURF_MODE_1D: 2348 case RADEON_SURF_MODE_LINEAR_ALIGNED: 2349 case RADEON_SURF_MODE_LINEAR: 2350 default: 2351 array_mode = V_02803C_ARRAY_1D_TILED_THIN1; 2352 break; 2353 } 2354 tile_split = rtex->surface.tile_split; 2355 stile_split = rtex->surface.stencil_tile_split; 2356 macro_aspect = rtex->surface.mtilea; 2357 bankw = rtex->surface.bankw; 2358 bankh = rtex->surface.bankh; 2359 tile_split = cik_tile_split(tile_split); 2360 stile_split = cik_tile_split(stile_split); 2361 macro_aspect = cik_macro_tile_aspect(macro_aspect); 2362 bankw = cik_bank_wh(bankw); 2363 bankh = cik_bank_wh(bankh); 2364 nbanks = si_num_banks(sscreen, rtex); 2365 tile_mode_index = si_tile_mode_index(rtex, level, false); 2366 pipe_config = cik_db_pipe_config(sscreen, tile_mode_index); 2367 2368 db_depth_info |= S_02803C_ARRAY_MODE(array_mode) | 2369 S_02803C_PIPE_CONFIG(pipe_config) | 2370 S_02803C_BANK_WIDTH(bankw) | 2371 S_02803C_BANK_HEIGHT(bankh) | 2372 S_02803C_MACRO_TILE_ASPECT(macro_aspect) | 2373 S_02803C_NUM_BANKS(nbanks); 2374 z_info |= S_028040_TILE_SPLIT(tile_split); 2375 s_info |= S_028044_TILE_SPLIT(stile_split); 2376 } else { 2377 tile_mode_index = si_tile_mode_index(rtex, level, false); 2378 z_info |= S_028040_TILE_MODE_INDEX(tile_mode_index); 2379 tile_mode_index = si_tile_mode_index(rtex, level, true); 2380 s_info |= S_028044_TILE_MODE_INDEX(tile_mode_index); 2381 } 2382 2383 /* HiZ aka depth buffer htile */ 2384 /* use htile only for first level */ 2385 if (rtex->htile_buffer && !level) { 2386 z_info |= S_028040_TILE_SURFACE_ENABLE(1) | 2387 S_028040_ALLOW_EXPCLEAR(1); 2388 2389 if (rtex->surface.flags & RADEON_SURF_SBUFFER) { 2390 /* Workaround: For a not yet understood reason, the 2391 * combination of MSAA, fast stencil clear and stencil 2392 * decompress messes with subsequent stencil buffer 2393 * uses. Problem was reproduced on Verde, Bonaire, 2394 * Tonga, and Carrizo. 2395 * 2396 * Disabling EXPCLEAR works around the problem. 2397 * 2398 * Check piglit's arb_texture_multisample-stencil-clear 2399 * test if you want to try changing this. 2400 */ 2401 if (rtex->resource.b.b.nr_samples <= 1) 2402 s_info |= S_028044_ALLOW_EXPCLEAR(1); 2403 } else 2404 /* Use all of the htile_buffer for depth if there's no stencil. */ 2405 s_info |= S_028044_TILE_STENCIL_DISABLE(1); 2406 2407 uint64_t va = rtex->htile_buffer->gpu_address; 2408 db_htile_data_base = va >> 8; 2409 db_htile_surface = S_028ABC_FULL_CACHE(1); 2410 } else { 2411 db_htile_data_base = 0; 2412 db_htile_surface = 0; 2413 } 2414 2415 assert(levelinfo->nblk_x % 8 == 0 && levelinfo->nblk_y % 8 == 0); 2416 2417 surf->db_depth_view = S_028008_SLICE_START(surf->base.u.tex.first_layer) | 2418 S_028008_SLICE_MAX(surf->base.u.tex.last_layer); 2419 surf->db_htile_data_base = db_htile_data_base; 2420 surf->db_depth_info = db_depth_info; 2421 surf->db_z_info = z_info; 2422 surf->db_stencil_info = s_info; 2423 surf->db_depth_base = z_offs >> 8; 2424 surf->db_stencil_base = s_offs >> 8; 2425 surf->db_depth_size = S_028058_PITCH_TILE_MAX((levelinfo->nblk_x / 8) - 1) | 2426 S_028058_HEIGHT_TILE_MAX((levelinfo->nblk_y / 8) - 1); 2427 surf->db_depth_slice = S_02805C_SLICE_TILE_MAX((levelinfo->nblk_x * 2428 levelinfo->nblk_y) / 64 - 1); 2429 surf->db_htile_surface = db_htile_surface; 2430 surf->pa_su_poly_offset_db_fmt_cntl = pa_su_poly_offset_db_fmt_cntl; 2431 2432 surf->depth_initialized = true; 2433} 2434 2435static void si_set_framebuffer_state(struct pipe_context *ctx, 2436 const struct pipe_framebuffer_state *state) 2437{ 2438 struct si_context *sctx = (struct si_context *)ctx; 2439 struct pipe_constant_buffer constbuf = {0}; 2440 struct r600_surface *surf = NULL; 2441 struct r600_texture *rtex; 2442 bool old_cb0_is_integer = sctx->framebuffer.cb0_is_integer; 2443 unsigned old_nr_samples = sctx->framebuffer.nr_samples; 2444 int i; 2445 2446 /* Only flush TC when changing the framebuffer state, because 2447 * the only client not using TC that can change textures is 2448 * the framebuffer. 2449 * 2450 * Flush all CB and DB caches here because all buffers can be used 2451 * for write by both TC (with shader image stores) and CB/DB. 2452 */ 2453 sctx->b.flags |= SI_CONTEXT_INV_VMEM_L1 | 2454 SI_CONTEXT_INV_GLOBAL_L2 | 2455 SI_CONTEXT_FLUSH_AND_INV_FRAMEBUFFER | 2456 SI_CONTEXT_CS_PARTIAL_FLUSH; 2457 2458 /* Take the maximum of the old and new count. If the new count is lower, 2459 * dirtying is needed to disable the unbound colorbuffers. 2460 */ 2461 sctx->framebuffer.dirty_cbufs |= 2462 (1 << MAX2(sctx->framebuffer.state.nr_cbufs, state->nr_cbufs)) - 1; 2463 sctx->framebuffer.dirty_zsbuf |= sctx->framebuffer.state.zsbuf != state->zsbuf; 2464 2465 util_copy_framebuffer_state(&sctx->framebuffer.state, state); 2466 2467 sctx->framebuffer.spi_shader_col_format = 0; 2468 sctx->framebuffer.spi_shader_col_format_alpha = 0; 2469 sctx->framebuffer.spi_shader_col_format_blend = 0; 2470 sctx->framebuffer.spi_shader_col_format_blend_alpha = 0; 2471 sctx->framebuffer.color_is_int8 = 0; 2472 2473 sctx->framebuffer.compressed_cb_mask = 0; 2474 sctx->framebuffer.nr_samples = util_framebuffer_get_num_samples(state); 2475 sctx->framebuffer.log_samples = util_logbase2(sctx->framebuffer.nr_samples); 2476 sctx->framebuffer.cb0_is_integer = state->nr_cbufs && state->cbufs[0] && 2477 util_format_is_pure_integer(state->cbufs[0]->format); 2478 2479 if (sctx->framebuffer.cb0_is_integer != old_cb0_is_integer) 2480 si_mark_atom_dirty(sctx, &sctx->db_render_state); 2481 2482 for (i = 0; i < state->nr_cbufs; i++) { 2483 if (!state->cbufs[i]) 2484 continue; 2485 2486 surf = (struct r600_surface*)state->cbufs[i]; 2487 rtex = (struct r600_texture*)surf->base.texture; 2488 2489 if (!surf->color_initialized) { 2490 si_initialize_color_surface(sctx, surf); 2491 } 2492 2493 sctx->framebuffer.spi_shader_col_format |= 2494 surf->spi_shader_col_format << (i * 4); 2495 sctx->framebuffer.spi_shader_col_format_alpha |= 2496 surf->spi_shader_col_format_alpha << (i * 4); 2497 sctx->framebuffer.spi_shader_col_format_blend |= 2498 surf->spi_shader_col_format_blend << (i * 4); 2499 sctx->framebuffer.spi_shader_col_format_blend_alpha |= 2500 surf->spi_shader_col_format_blend_alpha << (i * 4); 2501 2502 if (surf->color_is_int8) 2503 sctx->framebuffer.color_is_int8 |= 1 << i; 2504 2505 if (rtex->fmask.size && rtex->cmask.size) { 2506 sctx->framebuffer.compressed_cb_mask |= 1 << i; 2507 } 2508 r600_context_add_resource_size(ctx, surf->base.texture); 2509 } 2510 /* Set the second SPI format for possible dual-src blending. */ 2511 if (i == 1 && surf) { 2512 sctx->framebuffer.spi_shader_col_format |= 2513 surf->spi_shader_col_format << (i * 4); 2514 sctx->framebuffer.spi_shader_col_format_alpha |= 2515 surf->spi_shader_col_format_alpha << (i * 4); 2516 sctx->framebuffer.spi_shader_col_format_blend |= 2517 surf->spi_shader_col_format_blend << (i * 4); 2518 sctx->framebuffer.spi_shader_col_format_blend_alpha |= 2519 surf->spi_shader_col_format_blend_alpha << (i * 4); 2520 } 2521 2522 if (state->zsbuf) { 2523 surf = (struct r600_surface*)state->zsbuf; 2524 2525 if (!surf->depth_initialized) { 2526 si_init_depth_surface(sctx, surf); 2527 } 2528 r600_context_add_resource_size(ctx, surf->base.texture); 2529 } 2530 2531 si_update_poly_offset_state(sctx); 2532 si_mark_atom_dirty(sctx, &sctx->cb_render_state); 2533 si_mark_atom_dirty(sctx, &sctx->framebuffer.atom); 2534 2535 if (sctx->framebuffer.nr_samples != old_nr_samples) { 2536 si_mark_atom_dirty(sctx, &sctx->msaa_config); 2537 si_mark_atom_dirty(sctx, &sctx->db_render_state); 2538 2539 /* Set sample locations as fragment shader constants. */ 2540 switch (sctx->framebuffer.nr_samples) { 2541 case 1: 2542 constbuf.user_buffer = sctx->b.sample_locations_1x; 2543 break; 2544 case 2: 2545 constbuf.user_buffer = sctx->b.sample_locations_2x; 2546 break; 2547 case 4: 2548 constbuf.user_buffer = sctx->b.sample_locations_4x; 2549 break; 2550 case 8: 2551 constbuf.user_buffer = sctx->b.sample_locations_8x; 2552 break; 2553 case 16: 2554 constbuf.user_buffer = sctx->b.sample_locations_16x; 2555 break; 2556 default: 2557 R600_ERR("Requested an invalid number of samples %i.\n", 2558 sctx->framebuffer.nr_samples); 2559 assert(0); 2560 } 2561 constbuf.buffer_size = sctx->framebuffer.nr_samples * 2 * 4; 2562 si_set_constant_buffer(sctx, &sctx->rw_buffers, 2563 SI_PS_CONST_SAMPLE_POSITIONS, &constbuf); 2564 2565 /* Smoothing (only possible with nr_samples == 1) uses the same 2566 * sample locations as the MSAA it simulates. 2567 * 2568 * Therefore, don't update the sample locations when 2569 * transitioning from no AA to smoothing-equivalent AA, and 2570 * vice versa. 2571 */ 2572 if ((sctx->framebuffer.nr_samples != 1 || 2573 old_nr_samples != SI_NUM_SMOOTH_AA_SAMPLES) && 2574 (sctx->framebuffer.nr_samples != SI_NUM_SMOOTH_AA_SAMPLES || 2575 old_nr_samples != 1)) 2576 si_mark_atom_dirty(sctx, &sctx->msaa_sample_locs); 2577 } 2578} 2579 2580static void si_emit_framebuffer_state(struct si_context *sctx, struct r600_atom *atom) 2581{ 2582 struct radeon_winsys_cs *cs = sctx->b.gfx.cs; 2583 struct pipe_framebuffer_state *state = &sctx->framebuffer.state; 2584 unsigned i, nr_cbufs = state->nr_cbufs; 2585 struct r600_texture *tex = NULL; 2586 struct r600_surface *cb = NULL; 2587 2588 /* Colorbuffers. */ 2589 for (i = 0; i < nr_cbufs; i++) { 2590 if (!(sctx->framebuffer.dirty_cbufs & (1 << i))) 2591 continue; 2592 2593 cb = (struct r600_surface*)state->cbufs[i]; 2594 if (!cb) { 2595 radeon_set_context_reg(cs, R_028C70_CB_COLOR0_INFO + i * 0x3C, 2596 S_028C70_FORMAT(V_028C70_COLOR_INVALID)); 2597 continue; 2598 } 2599 2600 tex = (struct r600_texture *)cb->base.texture; 2601 radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx, 2602 &tex->resource, RADEON_USAGE_READWRITE, 2603 tex->surface.nsamples > 1 ? 2604 RADEON_PRIO_COLOR_BUFFER_MSAA : 2605 RADEON_PRIO_COLOR_BUFFER); 2606 2607 if (tex->cmask_buffer && tex->cmask_buffer != &tex->resource) { 2608 radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx, 2609 tex->cmask_buffer, RADEON_USAGE_READWRITE, 2610 RADEON_PRIO_CMASK); 2611 } 2612 2613 radeon_set_context_reg_seq(cs, R_028C60_CB_COLOR0_BASE + i * 0x3C, 2614 sctx->b.chip_class >= VI ? 14 : 13); 2615 radeon_emit(cs, cb->cb_color_base); /* R_028C60_CB_COLOR0_BASE */ 2616 radeon_emit(cs, cb->cb_color_pitch); /* R_028C64_CB_COLOR0_PITCH */ 2617 radeon_emit(cs, cb->cb_color_slice); /* R_028C68_CB_COLOR0_SLICE */ 2618 radeon_emit(cs, cb->cb_color_view); /* R_028C6C_CB_COLOR0_VIEW */ 2619 radeon_emit(cs, cb->cb_color_info | tex->cb_color_info); /* R_028C70_CB_COLOR0_INFO */ 2620 radeon_emit(cs, cb->cb_color_attrib); /* R_028C74_CB_COLOR0_ATTRIB */ 2621 radeon_emit(cs, cb->cb_dcc_control); /* R_028C78_CB_COLOR0_DCC_CONTROL */ 2622 radeon_emit(cs, tex->cmask.base_address_reg); /* R_028C7C_CB_COLOR0_CMASK */ 2623 radeon_emit(cs, tex->cmask.slice_tile_max); /* R_028C80_CB_COLOR0_CMASK_SLICE */ 2624 radeon_emit(cs, cb->cb_color_fmask); /* R_028C84_CB_COLOR0_FMASK */ 2625 radeon_emit(cs, cb->cb_color_fmask_slice); /* R_028C88_CB_COLOR0_FMASK_SLICE */ 2626 radeon_emit(cs, tex->color_clear_value[0]); /* R_028C8C_CB_COLOR0_CLEAR_WORD0 */ 2627 radeon_emit(cs, tex->color_clear_value[1]); /* R_028C90_CB_COLOR0_CLEAR_WORD1 */ 2628 2629 if (sctx->b.chip_class >= VI) 2630 radeon_emit(cs, cb->cb_dcc_base); /* R_028C94_CB_COLOR0_DCC_BASE */ 2631 } 2632 /* set CB_COLOR1_INFO for possible dual-src blending */ 2633 if (i == 1 && state->cbufs[0] && 2634 sctx->framebuffer.dirty_cbufs & (1 << 0)) { 2635 radeon_set_context_reg(cs, R_028C70_CB_COLOR0_INFO + 1 * 0x3C, 2636 cb->cb_color_info | tex->cb_color_info); 2637 i++; 2638 } 2639 for (; i < 8 ; i++) 2640 if (sctx->framebuffer.dirty_cbufs & (1 << i)) 2641 radeon_set_context_reg(cs, R_028C70_CB_COLOR0_INFO + i * 0x3C, 0); 2642 2643 /* ZS buffer. */ 2644 if (state->zsbuf && sctx->framebuffer.dirty_zsbuf) { 2645 struct r600_surface *zb = (struct r600_surface*)state->zsbuf; 2646 struct r600_texture *rtex = (struct r600_texture*)zb->base.texture; 2647 2648 radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx, 2649 &rtex->resource, RADEON_USAGE_READWRITE, 2650 zb->base.texture->nr_samples > 1 ? 2651 RADEON_PRIO_DEPTH_BUFFER_MSAA : 2652 RADEON_PRIO_DEPTH_BUFFER); 2653 2654 if (zb->db_htile_data_base) { 2655 radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx, 2656 rtex->htile_buffer, RADEON_USAGE_READWRITE, 2657 RADEON_PRIO_HTILE); 2658 } 2659 2660 radeon_set_context_reg(cs, R_028008_DB_DEPTH_VIEW, zb->db_depth_view); 2661 radeon_set_context_reg(cs, R_028014_DB_HTILE_DATA_BASE, zb->db_htile_data_base); 2662 2663 radeon_set_context_reg_seq(cs, R_02803C_DB_DEPTH_INFO, 9); 2664 radeon_emit(cs, zb->db_depth_info); /* R_02803C_DB_DEPTH_INFO */ 2665 radeon_emit(cs, zb->db_z_info | /* R_028040_DB_Z_INFO */ 2666 S_028040_ZRANGE_PRECISION(rtex->depth_clear_value != 0)); 2667 radeon_emit(cs, zb->db_stencil_info); /* R_028044_DB_STENCIL_INFO */ 2668 radeon_emit(cs, zb->db_depth_base); /* R_028048_DB_Z_READ_BASE */ 2669 radeon_emit(cs, zb->db_stencil_base); /* R_02804C_DB_STENCIL_READ_BASE */ 2670 radeon_emit(cs, zb->db_depth_base); /* R_028050_DB_Z_WRITE_BASE */ 2671 radeon_emit(cs, zb->db_stencil_base); /* R_028054_DB_STENCIL_WRITE_BASE */ 2672 radeon_emit(cs, zb->db_depth_size); /* R_028058_DB_DEPTH_SIZE */ 2673 radeon_emit(cs, zb->db_depth_slice); /* R_02805C_DB_DEPTH_SLICE */ 2674 2675 radeon_set_context_reg_seq(cs, R_028028_DB_STENCIL_CLEAR, 2); 2676 radeon_emit(cs, rtex->stencil_clear_value); /* R_028028_DB_STENCIL_CLEAR */ 2677 radeon_emit(cs, fui(rtex->depth_clear_value)); /* R_02802C_DB_DEPTH_CLEAR */ 2678 2679 radeon_set_context_reg(cs, R_028ABC_DB_HTILE_SURFACE, zb->db_htile_surface); 2680 radeon_set_context_reg(cs, R_028B78_PA_SU_POLY_OFFSET_DB_FMT_CNTL, 2681 zb->pa_su_poly_offset_db_fmt_cntl); 2682 } else if (sctx->framebuffer.dirty_zsbuf) { 2683 radeon_set_context_reg_seq(cs, R_028040_DB_Z_INFO, 2); 2684 radeon_emit(cs, S_028040_FORMAT(V_028040_Z_INVALID)); /* R_028040_DB_Z_INFO */ 2685 radeon_emit(cs, S_028044_FORMAT(V_028044_STENCIL_INVALID)); /* R_028044_DB_STENCIL_INFO */ 2686 } 2687 2688 /* Framebuffer dimensions. */ 2689 /* PA_SC_WINDOW_SCISSOR_TL is set in si_init_config() */ 2690 radeon_set_context_reg(cs, R_028208_PA_SC_WINDOW_SCISSOR_BR, 2691 S_028208_BR_X(state->width) | S_028208_BR_Y(state->height)); 2692 2693 sctx->framebuffer.dirty_cbufs = 0; 2694 sctx->framebuffer.dirty_zsbuf = false; 2695} 2696 2697static void si_emit_msaa_sample_locs(struct si_context *sctx, 2698 struct r600_atom *atom) 2699{ 2700 struct radeon_winsys_cs *cs = sctx->b.gfx.cs; 2701 unsigned nr_samples = sctx->framebuffer.nr_samples; 2702 2703 cayman_emit_msaa_sample_locs(cs, nr_samples > 1 ? nr_samples : 2704 SI_NUM_SMOOTH_AA_SAMPLES); 2705} 2706 2707static void si_emit_msaa_config(struct si_context *sctx, struct r600_atom *atom) 2708{ 2709 struct radeon_winsys_cs *cs = sctx->b.gfx.cs; 2710 2711 cayman_emit_msaa_config(cs, sctx->framebuffer.nr_samples, 2712 sctx->ps_iter_samples, 2713 sctx->smoothing_enabled ? SI_NUM_SMOOTH_AA_SAMPLES : 0); 2714} 2715 2716 2717static void si_set_min_samples(struct pipe_context *ctx, unsigned min_samples) 2718{ 2719 struct si_context *sctx = (struct si_context *)ctx; 2720 2721 if (sctx->ps_iter_samples == min_samples) 2722 return; 2723 2724 sctx->ps_iter_samples = min_samples; 2725 2726 if (sctx->framebuffer.nr_samples > 1) 2727 si_mark_atom_dirty(sctx, &sctx->msaa_config); 2728} 2729 2730/* 2731 * Samplers 2732 */ 2733 2734/** 2735 * Build the sampler view descriptor for a buffer texture. 2736 * @param state 256-bit descriptor; only the high 128 bits are filled in 2737 */ 2738void 2739si_make_buffer_descriptor(struct si_screen *screen, struct r600_resource *buf, 2740 enum pipe_format format, 2741 unsigned first_element, unsigned last_element, 2742 uint32_t *state) 2743{ 2744 const struct util_format_description *desc; 2745 int first_non_void; 2746 uint64_t va; 2747 unsigned stride; 2748 unsigned num_records; 2749 unsigned num_format, data_format; 2750 2751 desc = util_format_description(format); 2752 first_non_void = util_format_get_first_non_void_channel(format); 2753 stride = desc->block.bits / 8; 2754 va = buf->gpu_address + first_element * stride; 2755 num_format = si_translate_buffer_numformat(&screen->b.b, desc, first_non_void); 2756 data_format = si_translate_buffer_dataformat(&screen->b.b, desc, first_non_void); 2757 2758 num_records = last_element + 1 - first_element; 2759 num_records = MIN2(num_records, buf->b.b.width0 / stride); 2760 2761 if (screen->b.chip_class >= VI) 2762 num_records *= stride; 2763 2764 state[4] = va; 2765 state[5] = S_008F04_BASE_ADDRESS_HI(va >> 32) | 2766 S_008F04_STRIDE(stride); 2767 state[6] = num_records; 2768 state[7] = S_008F0C_DST_SEL_X(si_map_swizzle(desc->swizzle[0])) | 2769 S_008F0C_DST_SEL_Y(si_map_swizzle(desc->swizzle[1])) | 2770 S_008F0C_DST_SEL_Z(si_map_swizzle(desc->swizzle[2])) | 2771 S_008F0C_DST_SEL_W(si_map_swizzle(desc->swizzle[3])) | 2772 S_008F0C_NUM_FORMAT(num_format) | 2773 S_008F0C_DATA_FORMAT(data_format); 2774} 2775 2776/** 2777 * Build the sampler view descriptor for a texture. 2778 */ 2779void 2780si_make_texture_descriptor(struct si_screen *screen, 2781 struct r600_texture *tex, 2782 bool sampler, 2783 enum pipe_texture_target target, 2784 enum pipe_format pipe_format, 2785 const unsigned char state_swizzle[4], 2786 unsigned base_level, unsigned first_level, unsigned last_level, 2787 unsigned first_layer, unsigned last_layer, 2788 unsigned width, unsigned height, unsigned depth, 2789 uint32_t *state, 2790 uint32_t *fmask_state) 2791{ 2792 struct pipe_resource *res = &tex->resource.b.b; 2793 const struct radeon_surf_level *surflevel = tex->surface.level; 2794 const struct util_format_description *desc; 2795 unsigned char swizzle[4]; 2796 int first_non_void; 2797 unsigned num_format, data_format, type; 2798 uint32_t pitch; 2799 uint64_t va; 2800 2801 /* Texturing with separate depth and stencil. */ 2802 if (tex->is_depth && !tex->is_flushing_texture) { 2803 switch (pipe_format) { 2804 case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT: 2805 pipe_format = PIPE_FORMAT_Z32_FLOAT; 2806 break; 2807 case PIPE_FORMAT_X8Z24_UNORM: 2808 case PIPE_FORMAT_S8_UINT_Z24_UNORM: 2809 /* Z24 is always stored like this. */ 2810 pipe_format = PIPE_FORMAT_Z24X8_UNORM; 2811 break; 2812 case PIPE_FORMAT_X24S8_UINT: 2813 case PIPE_FORMAT_S8X24_UINT: 2814 case PIPE_FORMAT_X32_S8X24_UINT: 2815 pipe_format = PIPE_FORMAT_S8_UINT; 2816 surflevel = tex->surface.stencil_level; 2817 break; 2818 default:; 2819 } 2820 } 2821 2822 desc = util_format_description(pipe_format); 2823 2824 if (desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS) { 2825 const unsigned char swizzle_xxxx[4] = {0, 0, 0, 0}; 2826 const unsigned char swizzle_yyyy[4] = {1, 1, 1, 1}; 2827 2828 switch (pipe_format) { 2829 case PIPE_FORMAT_S8_UINT_Z24_UNORM: 2830 case PIPE_FORMAT_X24S8_UINT: 2831 case PIPE_FORMAT_X32_S8X24_UINT: 2832 case PIPE_FORMAT_X8Z24_UNORM: 2833 util_format_compose_swizzles(swizzle_yyyy, state_swizzle, swizzle); 2834 break; 2835 default: 2836 util_format_compose_swizzles(swizzle_xxxx, state_swizzle, swizzle); 2837 } 2838 } else { 2839 util_format_compose_swizzles(desc->swizzle, state_swizzle, swizzle); 2840 } 2841 2842 first_non_void = util_format_get_first_non_void_channel(pipe_format); 2843 2844 switch (pipe_format) { 2845 case PIPE_FORMAT_S8_UINT_Z24_UNORM: 2846 num_format = V_008F14_IMG_NUM_FORMAT_UNORM; 2847 break; 2848 default: 2849 if (first_non_void < 0) { 2850 if (util_format_is_compressed(pipe_format)) { 2851 switch (pipe_format) { 2852 case PIPE_FORMAT_DXT1_SRGB: 2853 case PIPE_FORMAT_DXT1_SRGBA: 2854 case PIPE_FORMAT_DXT3_SRGBA: 2855 case PIPE_FORMAT_DXT5_SRGBA: 2856 case PIPE_FORMAT_BPTC_SRGBA: 2857 case PIPE_FORMAT_ETC2_SRGB8: 2858 case PIPE_FORMAT_ETC2_SRGB8A1: 2859 case PIPE_FORMAT_ETC2_SRGBA8: 2860 num_format = V_008F14_IMG_NUM_FORMAT_SRGB; 2861 break; 2862 case PIPE_FORMAT_RGTC1_SNORM: 2863 case PIPE_FORMAT_LATC1_SNORM: 2864 case PIPE_FORMAT_RGTC2_SNORM: 2865 case PIPE_FORMAT_LATC2_SNORM: 2866 case PIPE_FORMAT_ETC2_R11_SNORM: 2867 case PIPE_FORMAT_ETC2_RG11_SNORM: 2868 /* implies float, so use SNORM/UNORM to determine 2869 whether data is signed or not */ 2870 case PIPE_FORMAT_BPTC_RGB_FLOAT: 2871 num_format = V_008F14_IMG_NUM_FORMAT_SNORM; 2872 break; 2873 default: 2874 num_format = V_008F14_IMG_NUM_FORMAT_UNORM; 2875 break; 2876 } 2877 } else if (desc->layout == UTIL_FORMAT_LAYOUT_SUBSAMPLED) { 2878 num_format = V_008F14_IMG_NUM_FORMAT_UNORM; 2879 } else { 2880 num_format = V_008F14_IMG_NUM_FORMAT_FLOAT; 2881 } 2882 } else if (desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB) { 2883 num_format = V_008F14_IMG_NUM_FORMAT_SRGB; 2884 } else { 2885 num_format = V_008F14_IMG_NUM_FORMAT_UNORM; 2886 2887 switch (desc->channel[first_non_void].type) { 2888 case UTIL_FORMAT_TYPE_FLOAT: 2889 num_format = V_008F14_IMG_NUM_FORMAT_FLOAT; 2890 break; 2891 case UTIL_FORMAT_TYPE_SIGNED: 2892 if (desc->channel[first_non_void].normalized) 2893 num_format = V_008F14_IMG_NUM_FORMAT_SNORM; 2894 else if (desc->channel[first_non_void].pure_integer) 2895 num_format = V_008F14_IMG_NUM_FORMAT_SINT; 2896 else 2897 num_format = V_008F14_IMG_NUM_FORMAT_SSCALED; 2898 break; 2899 case UTIL_FORMAT_TYPE_UNSIGNED: 2900 if (desc->channel[first_non_void].normalized) 2901 num_format = V_008F14_IMG_NUM_FORMAT_UNORM; 2902 else if (desc->channel[first_non_void].pure_integer) 2903 num_format = V_008F14_IMG_NUM_FORMAT_UINT; 2904 else 2905 num_format = V_008F14_IMG_NUM_FORMAT_USCALED; 2906 } 2907 } 2908 } 2909 2910 data_format = si_translate_texformat(&screen->b.b, pipe_format, desc, first_non_void); 2911 if (data_format == ~0) { 2912 data_format = 0; 2913 } 2914 2915 if (!sampler && 2916 (res->target == PIPE_TEXTURE_CUBE || 2917 res->target == PIPE_TEXTURE_CUBE_ARRAY || 2918 res->target == PIPE_TEXTURE_3D)) { 2919 /* For the purpose of shader images, treat cube maps and 3D 2920 * textures as 2D arrays. For 3D textures, the address 2921 * calculations for mipmaps are different, so we rely on the 2922 * caller to effectively disable mipmaps. 2923 */ 2924 type = V_008F1C_SQ_RSRC_IMG_2D_ARRAY; 2925 2926 assert(res->target != PIPE_TEXTURE_3D || (first_level == 0 && last_level == 0)); 2927 } else { 2928 type = si_tex_dim(res->target, target, res->nr_samples); 2929 } 2930 2931 if (type == V_008F1C_SQ_RSRC_IMG_1D_ARRAY) { 2932 height = 1; 2933 depth = res->array_size; 2934 } else if (type == V_008F1C_SQ_RSRC_IMG_2D_ARRAY || 2935 type == V_008F1C_SQ_RSRC_IMG_2D_MSAA_ARRAY) { 2936 if (sampler || res->target != PIPE_TEXTURE_3D) 2937 depth = res->array_size; 2938 } else if (type == V_008F1C_SQ_RSRC_IMG_CUBE) 2939 depth = res->array_size / 6; 2940 2941 pitch = surflevel[base_level].nblk_x * util_format_get_blockwidth(pipe_format); 2942 va = tex->resource.gpu_address + surflevel[base_level].offset; 2943 2944 state[0] = va >> 8; 2945 state[1] = (S_008F14_BASE_ADDRESS_HI(va >> 40) | 2946 S_008F14_DATA_FORMAT(data_format) | 2947 S_008F14_NUM_FORMAT(num_format)); 2948 state[2] = (S_008F18_WIDTH(width - 1) | 2949 S_008F18_HEIGHT(height - 1)); 2950 state[3] = (S_008F1C_DST_SEL_X(si_map_swizzle(swizzle[0])) | 2951 S_008F1C_DST_SEL_Y(si_map_swizzle(swizzle[1])) | 2952 S_008F1C_DST_SEL_Z(si_map_swizzle(swizzle[2])) | 2953 S_008F1C_DST_SEL_W(si_map_swizzle(swizzle[3])) | 2954 S_008F1C_BASE_LEVEL(res->nr_samples > 1 ? 2955 0 : first_level) | 2956 S_008F1C_LAST_LEVEL(res->nr_samples > 1 ? 2957 util_logbase2(res->nr_samples) : 2958 last_level) | 2959 S_008F1C_TILING_INDEX(si_tile_mode_index(tex, base_level, false)) | 2960 S_008F1C_POW2_PAD(res->last_level > 0) | 2961 S_008F1C_TYPE(type)); 2962 state[4] = (S_008F20_DEPTH(depth - 1) | S_008F20_PITCH(pitch - 1)); 2963 state[5] = (S_008F24_BASE_ARRAY(first_layer) | 2964 S_008F24_LAST_ARRAY(last_layer)); 2965 2966 if (tex->dcc_offset) { 2967 unsigned swap = r600_translate_colorswap(pipe_format, FALSE); 2968 2969 state[6] = S_008F28_COMPRESSION_EN(1) | S_008F28_ALPHA_IS_ON_MSB(swap <= 1); 2970 state[7] = (tex->resource.gpu_address + 2971 tex->dcc_offset + 2972 surflevel[base_level].dcc_offset) >> 8; 2973 } else { 2974 state[6] = 0; 2975 state[7] = 0; 2976 2977 /* The last dword is unused by hw. The shader uses it to clear 2978 * bits in the first dword of sampler state. 2979 */ 2980 if (screen->b.chip_class <= CIK && res->nr_samples <= 1) { 2981 if (first_level == last_level) 2982 state[7] = C_008F30_MAX_ANISO_RATIO; 2983 else 2984 state[7] = 0xffffffff; 2985 } 2986 } 2987 2988 /* Initialize the sampler view for FMASK. */ 2989 if (tex->fmask.size) { 2990 uint32_t fmask_format; 2991 2992 va = tex->resource.gpu_address + tex->fmask.offset; 2993 2994 switch (res->nr_samples) { 2995 case 2: 2996 fmask_format = V_008F14_IMG_DATA_FORMAT_FMASK8_S2_F2; 2997 break; 2998 case 4: 2999 fmask_format = V_008F14_IMG_DATA_FORMAT_FMASK8_S4_F4; 3000 break; 3001 case 8: 3002 fmask_format = V_008F14_IMG_DATA_FORMAT_FMASK32_S8_F8; 3003 break; 3004 default: 3005 assert(0); 3006 fmask_format = V_008F14_IMG_DATA_FORMAT_INVALID; 3007 } 3008 3009 fmask_state[0] = va >> 8; 3010 fmask_state[1] = S_008F14_BASE_ADDRESS_HI(va >> 40) | 3011 S_008F14_DATA_FORMAT(fmask_format) | 3012 S_008F14_NUM_FORMAT(V_008F14_IMG_NUM_FORMAT_UINT); 3013 fmask_state[2] = S_008F18_WIDTH(width - 1) | 3014 S_008F18_HEIGHT(height - 1); 3015 fmask_state[3] = S_008F1C_DST_SEL_X(V_008F1C_SQ_SEL_X) | 3016 S_008F1C_DST_SEL_Y(V_008F1C_SQ_SEL_X) | 3017 S_008F1C_DST_SEL_Z(V_008F1C_SQ_SEL_X) | 3018 S_008F1C_DST_SEL_W(V_008F1C_SQ_SEL_X) | 3019 S_008F1C_TILING_INDEX(tex->fmask.tile_mode_index) | 3020 S_008F1C_TYPE(si_tex_dim(res->target, target, 0)); 3021 fmask_state[4] = S_008F20_DEPTH(depth - 1) | 3022 S_008F20_PITCH(tex->fmask.pitch_in_pixels - 1); 3023 fmask_state[5] = S_008F24_BASE_ARRAY(first_layer) | 3024 S_008F24_LAST_ARRAY(last_layer); 3025 fmask_state[6] = 0; 3026 fmask_state[7] = 0; 3027 } 3028} 3029 3030/** 3031 * Create a sampler view. 3032 * 3033 * @param ctx context 3034 * @param texture texture 3035 * @param state sampler view template 3036 * @param width0 width0 override (for compressed textures as int) 3037 * @param height0 height0 override (for compressed textures as int) 3038 * @param force_level set the base address to the level (for compressed textures) 3039 */ 3040struct pipe_sampler_view * 3041si_create_sampler_view_custom(struct pipe_context *ctx, 3042 struct pipe_resource *texture, 3043 const struct pipe_sampler_view *state, 3044 unsigned width0, unsigned height0, 3045 unsigned force_level) 3046{ 3047 struct si_context *sctx = (struct si_context*)ctx; 3048 struct si_sampler_view *view = CALLOC_STRUCT(si_sampler_view); 3049 struct r600_texture *tmp = (struct r600_texture*)texture; 3050 unsigned base_level, first_level, last_level; 3051 unsigned char state_swizzle[4]; 3052 unsigned height, depth, width; 3053 unsigned last_layer = state->u.tex.last_layer; 3054 3055 if (!view) 3056 return NULL; 3057 3058 /* initialize base object */ 3059 view->base = *state; 3060 view->base.texture = NULL; 3061 view->base.reference.count = 1; 3062 view->base.context = ctx; 3063 3064 /* NULL resource, obey swizzle (only ZERO and ONE make sense). */ 3065 if (!texture) { 3066 view->state[3] = S_008F1C_DST_SEL_X(si_map_swizzle(state->swizzle_r)) | 3067 S_008F1C_DST_SEL_Y(si_map_swizzle(state->swizzle_g)) | 3068 S_008F1C_DST_SEL_Z(si_map_swizzle(state->swizzle_b)) | 3069 S_008F1C_DST_SEL_W(si_map_swizzle(state->swizzle_a)) | 3070 S_008F1C_TYPE(V_008F1C_SQ_RSRC_IMG_1D); 3071 return &view->base; 3072 } 3073 3074 pipe_resource_reference(&view->base.texture, texture); 3075 3076 if (state->format == PIPE_FORMAT_X24S8_UINT || 3077 state->format == PIPE_FORMAT_S8X24_UINT || 3078 state->format == PIPE_FORMAT_X32_S8X24_UINT || 3079 state->format == PIPE_FORMAT_S8_UINT) 3080 view->is_stencil_sampler = true; 3081 3082 /* Buffer resource. */ 3083 if (texture->target == PIPE_BUFFER) { 3084 si_make_buffer_descriptor(sctx->screen, 3085 (struct r600_resource *)texture, 3086 state->format, 3087 state->u.buf.first_element, 3088 state->u.buf.last_element, 3089 view->state); 3090 3091 LIST_ADDTAIL(&view->list, &sctx->b.texture_buffers); 3092 return &view->base; 3093 } 3094 3095 state_swizzle[0] = state->swizzle_r; 3096 state_swizzle[1] = state->swizzle_g; 3097 state_swizzle[2] = state->swizzle_b; 3098 state_swizzle[3] = state->swizzle_a; 3099 3100 base_level = 0; 3101 first_level = state->u.tex.first_level; 3102 last_level = state->u.tex.last_level; 3103 width = width0; 3104 height = height0; 3105 depth = texture->depth0; 3106 3107 if (force_level) { 3108 assert(force_level == first_level && 3109 force_level == last_level); 3110 base_level = force_level; 3111 first_level = 0; 3112 last_level = 0; 3113 width = u_minify(width, force_level); 3114 height = u_minify(height, force_level); 3115 depth = u_minify(depth, force_level); 3116 } 3117 3118 /* This is not needed if state trackers set last_layer correctly. */ 3119 if (state->target == PIPE_TEXTURE_1D || 3120 state->target == PIPE_TEXTURE_2D || 3121 state->target == PIPE_TEXTURE_RECT || 3122 state->target == PIPE_TEXTURE_CUBE) 3123 last_layer = state->u.tex.first_layer; 3124 3125 si_make_texture_descriptor(sctx->screen, tmp, true, state->target, 3126 state->format, state_swizzle, 3127 base_level, first_level, last_level, 3128 state->u.tex.first_layer, last_layer, 3129 width, height, depth, 3130 view->state, view->fmask_state); 3131 3132 return &view->base; 3133} 3134 3135static struct pipe_sampler_view * 3136si_create_sampler_view(struct pipe_context *ctx, 3137 struct pipe_resource *texture, 3138 const struct pipe_sampler_view *state) 3139{ 3140 return si_create_sampler_view_custom(ctx, texture, state, 3141 texture ? texture->width0 : 0, 3142 texture ? texture->height0 : 0, 0); 3143} 3144 3145static void si_sampler_view_destroy(struct pipe_context *ctx, 3146 struct pipe_sampler_view *state) 3147{ 3148 struct si_sampler_view *view = (struct si_sampler_view *)state; 3149 3150 if (state->texture && state->texture->target == PIPE_BUFFER) 3151 LIST_DELINIT(&view->list); 3152 3153 pipe_resource_reference(&state->texture, NULL); 3154 FREE(view); 3155} 3156 3157static bool wrap_mode_uses_border_color(unsigned wrap, bool linear_filter) 3158{ 3159 return wrap == PIPE_TEX_WRAP_CLAMP_TO_BORDER || 3160 wrap == PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER || 3161 (linear_filter && 3162 (wrap == PIPE_TEX_WRAP_CLAMP || 3163 wrap == PIPE_TEX_WRAP_MIRROR_CLAMP)); 3164} 3165 3166static bool sampler_state_needs_border_color(const struct pipe_sampler_state *state) 3167{ 3168 bool linear_filter = state->min_img_filter != PIPE_TEX_FILTER_NEAREST || 3169 state->mag_img_filter != PIPE_TEX_FILTER_NEAREST; 3170 3171 return (state->border_color.ui[0] || state->border_color.ui[1] || 3172 state->border_color.ui[2] || state->border_color.ui[3]) && 3173 (wrap_mode_uses_border_color(state->wrap_s, linear_filter) || 3174 wrap_mode_uses_border_color(state->wrap_t, linear_filter) || 3175 wrap_mode_uses_border_color(state->wrap_r, linear_filter)); 3176} 3177 3178static void *si_create_sampler_state(struct pipe_context *ctx, 3179 const struct pipe_sampler_state *state) 3180{ 3181 struct si_context *sctx = (struct si_context *)ctx; 3182 struct r600_common_screen *rscreen = sctx->b.screen; 3183 struct si_sampler_state *rstate = CALLOC_STRUCT(si_sampler_state); 3184 unsigned border_color_type, border_color_index = 0; 3185 unsigned max_aniso = rscreen->force_aniso >= 0 ? rscreen->force_aniso 3186 : state->max_anisotropy; 3187 unsigned max_aniso_ratio = r600_tex_aniso_filter(max_aniso); 3188 3189 if (!rstate) { 3190 return NULL; 3191 } 3192 3193 if (!sampler_state_needs_border_color(state)) 3194 border_color_type = V_008F3C_SQ_TEX_BORDER_COLOR_TRANS_BLACK; 3195 else if (state->border_color.f[0] == 0 && 3196 state->border_color.f[1] == 0 && 3197 state->border_color.f[2] == 0 && 3198 state->border_color.f[3] == 0) 3199 border_color_type = V_008F3C_SQ_TEX_BORDER_COLOR_TRANS_BLACK; 3200 else if (state->border_color.f[0] == 0 && 3201 state->border_color.f[1] == 0 && 3202 state->border_color.f[2] == 0 && 3203 state->border_color.f[3] == 1) 3204 border_color_type = V_008F3C_SQ_TEX_BORDER_COLOR_OPAQUE_BLACK; 3205 else if (state->border_color.f[0] == 1 && 3206 state->border_color.f[1] == 1 && 3207 state->border_color.f[2] == 1 && 3208 state->border_color.f[3] == 1) 3209 border_color_type = V_008F3C_SQ_TEX_BORDER_COLOR_OPAQUE_WHITE; 3210 else { 3211 int i; 3212 3213 border_color_type = V_008F3C_SQ_TEX_BORDER_COLOR_REGISTER; 3214 3215 /* Check if the border has been uploaded already. */ 3216 for (i = 0; i < sctx->border_color_count; i++) 3217 if (memcmp(&sctx->border_color_table[i], &state->border_color, 3218 sizeof(state->border_color)) == 0) 3219 break; 3220 3221 if (i >= SI_MAX_BORDER_COLORS) { 3222 /* Getting 4096 unique border colors is very unlikely. */ 3223 fprintf(stderr, "radeonsi: The border color table is full. " 3224 "Any new border colors will be just black. " 3225 "Please file a bug.\n"); 3226 border_color_type = V_008F3C_SQ_TEX_BORDER_COLOR_TRANS_BLACK; 3227 } else { 3228 if (i == sctx->border_color_count) { 3229 /* Upload a new border color. */ 3230 memcpy(&sctx->border_color_table[i], &state->border_color, 3231 sizeof(state->border_color)); 3232 util_memcpy_cpu_to_le32(&sctx->border_color_map[i], 3233 &state->border_color, 3234 sizeof(state->border_color)); 3235 sctx->border_color_count++; 3236 } 3237 3238 border_color_index = i; 3239 } 3240 } 3241 3242 rstate->val[0] = (S_008F30_CLAMP_X(si_tex_wrap(state->wrap_s)) | 3243 S_008F30_CLAMP_Y(si_tex_wrap(state->wrap_t)) | 3244 S_008F30_CLAMP_Z(si_tex_wrap(state->wrap_r)) | 3245 S_008F30_MAX_ANISO_RATIO(max_aniso_ratio) | 3246 S_008F30_DEPTH_COMPARE_FUNC(si_tex_compare(state->compare_func)) | 3247 S_008F30_FORCE_UNNORMALIZED(!state->normalized_coords) | 3248 S_008F30_DISABLE_CUBE_WRAP(!state->seamless_cube_map) | 3249 S_008F30_COMPAT_MODE(sctx->b.chip_class >= VI)); 3250 rstate->val[1] = (S_008F34_MIN_LOD(S_FIXED(CLAMP(state->min_lod, 0, 15), 8)) | 3251 S_008F34_MAX_LOD(S_FIXED(CLAMP(state->max_lod, 0, 15), 8))); 3252 rstate->val[2] = (S_008F38_LOD_BIAS(S_FIXED(CLAMP(state->lod_bias, -16, 16), 8)) | 3253 S_008F38_XY_MAG_FILTER(eg_tex_filter(state->mag_img_filter, max_aniso)) | 3254 S_008F38_XY_MIN_FILTER(eg_tex_filter(state->min_img_filter, max_aniso)) | 3255 S_008F38_MIP_FILTER(si_tex_mipfilter(state->min_mip_filter)) | 3256 S_008F38_MIP_POINT_PRECLAMP(1) | 3257 S_008F38_DISABLE_LSB_CEIL(1) | 3258 S_008F38_FILTER_PREC_FIX(1) | 3259 S_008F38_ANISO_OVERRIDE(sctx->b.chip_class >= VI)); 3260 rstate->val[3] = S_008F3C_BORDER_COLOR_PTR(border_color_index) | 3261 S_008F3C_BORDER_COLOR_TYPE(border_color_type); 3262 return rstate; 3263} 3264 3265static void si_set_sample_mask(struct pipe_context *ctx, unsigned sample_mask) 3266{ 3267 struct si_context *sctx = (struct si_context *)ctx; 3268 3269 if (sctx->sample_mask.sample_mask == (uint16_t)sample_mask) 3270 return; 3271 3272 sctx->sample_mask.sample_mask = sample_mask; 3273 si_mark_atom_dirty(sctx, &sctx->sample_mask.atom); 3274} 3275 3276static void si_emit_sample_mask(struct si_context *sctx, struct r600_atom *atom) 3277{ 3278 struct radeon_winsys_cs *cs = sctx->b.gfx.cs; 3279 unsigned mask = sctx->sample_mask.sample_mask; 3280 3281 radeon_set_context_reg_seq(cs, R_028C38_PA_SC_AA_MASK_X0Y0_X1Y0, 2); 3282 radeon_emit(cs, mask | (mask << 16)); 3283 radeon_emit(cs, mask | (mask << 16)); 3284} 3285 3286static void si_delete_sampler_state(struct pipe_context *ctx, void *state) 3287{ 3288 free(state); 3289} 3290 3291/* 3292 * Vertex elements & buffers 3293 */ 3294 3295static void *si_create_vertex_elements(struct pipe_context *ctx, 3296 unsigned count, 3297 const struct pipe_vertex_element *elements) 3298{ 3299 struct si_vertex_element *v = CALLOC_STRUCT(si_vertex_element); 3300 int i; 3301 3302 assert(count <= SI_MAX_ATTRIBS); 3303 if (!v) 3304 return NULL; 3305 3306 v->count = count; 3307 for (i = 0; i < count; ++i) { 3308 const struct util_format_description *desc; 3309 unsigned data_format, num_format; 3310 int first_non_void; 3311 3312 desc = util_format_description(elements[i].src_format); 3313 first_non_void = util_format_get_first_non_void_channel(elements[i].src_format); 3314 data_format = si_translate_buffer_dataformat(ctx->screen, desc, first_non_void); 3315 num_format = si_translate_buffer_numformat(ctx->screen, desc, first_non_void); 3316 3317 v->rsrc_word3[i] = S_008F0C_DST_SEL_X(si_map_swizzle(desc->swizzle[0])) | 3318 S_008F0C_DST_SEL_Y(si_map_swizzle(desc->swizzle[1])) | 3319 S_008F0C_DST_SEL_Z(si_map_swizzle(desc->swizzle[2])) | 3320 S_008F0C_DST_SEL_W(si_map_swizzle(desc->swizzle[3])) | 3321 S_008F0C_NUM_FORMAT(num_format) | 3322 S_008F0C_DATA_FORMAT(data_format); 3323 v->format_size[i] = desc->block.bits / 8; 3324 } 3325 memcpy(v->elements, elements, sizeof(struct pipe_vertex_element) * count); 3326 3327 return v; 3328} 3329 3330static void si_bind_vertex_elements(struct pipe_context *ctx, void *state) 3331{ 3332 struct si_context *sctx = (struct si_context *)ctx; 3333 struct si_vertex_element *v = (struct si_vertex_element*)state; 3334 3335 sctx->vertex_elements = v; 3336 sctx->vertex_buffers_dirty = true; 3337} 3338 3339static void si_delete_vertex_element(struct pipe_context *ctx, void *state) 3340{ 3341 struct si_context *sctx = (struct si_context *)ctx; 3342 3343 if (sctx->vertex_elements == state) 3344 sctx->vertex_elements = NULL; 3345 FREE(state); 3346} 3347 3348static void si_set_vertex_buffers(struct pipe_context *ctx, 3349 unsigned start_slot, unsigned count, 3350 const struct pipe_vertex_buffer *buffers) 3351{ 3352 struct si_context *sctx = (struct si_context *)ctx; 3353 struct pipe_vertex_buffer *dst = sctx->vertex_buffer + start_slot; 3354 int i; 3355 3356 assert(start_slot + count <= Elements(sctx->vertex_buffer)); 3357 3358 if (buffers) { 3359 for (i = 0; i < count; i++) { 3360 const struct pipe_vertex_buffer *src = buffers + i; 3361 struct pipe_vertex_buffer *dsti = dst + i; 3362 3363 pipe_resource_reference(&dsti->buffer, src->buffer); 3364 dsti->buffer_offset = src->buffer_offset; 3365 dsti->stride = src->stride; 3366 r600_context_add_resource_size(ctx, src->buffer); 3367 } 3368 } else { 3369 for (i = 0; i < count; i++) { 3370 pipe_resource_reference(&dst[i].buffer, NULL); 3371 } 3372 } 3373 sctx->vertex_buffers_dirty = true; 3374} 3375 3376static void si_set_index_buffer(struct pipe_context *ctx, 3377 const struct pipe_index_buffer *ib) 3378{ 3379 struct si_context *sctx = (struct si_context *)ctx; 3380 3381 if (ib) { 3382 pipe_resource_reference(&sctx->index_buffer.buffer, ib->buffer); 3383 memcpy(&sctx->index_buffer, ib, sizeof(*ib)); 3384 r600_context_add_resource_size(ctx, ib->buffer); 3385 } else { 3386 pipe_resource_reference(&sctx->index_buffer.buffer, NULL); 3387 } 3388} 3389 3390/* 3391 * Misc 3392 */ 3393 3394static void si_set_tess_state(struct pipe_context *ctx, 3395 const float default_outer_level[4], 3396 const float default_inner_level[2]) 3397{ 3398 struct si_context *sctx = (struct si_context *)ctx; 3399 struct pipe_constant_buffer cb; 3400 float array[8]; 3401 3402 memcpy(array, default_outer_level, sizeof(float) * 4); 3403 memcpy(array+4, default_inner_level, sizeof(float) * 2); 3404 3405 cb.buffer = NULL; 3406 cb.user_buffer = NULL; 3407 cb.buffer_size = sizeof(array); 3408 3409 si_upload_const_buffer(sctx, (struct r600_resource**)&cb.buffer, 3410 (void*)array, sizeof(array), 3411 &cb.buffer_offset); 3412 3413 si_set_constant_buffer(sctx, &sctx->rw_buffers, 3414 SI_HS_CONST_DEFAULT_TESS_LEVELS, &cb); 3415 pipe_resource_reference(&cb.buffer, NULL); 3416} 3417 3418static void si_texture_barrier(struct pipe_context *ctx) 3419{ 3420 struct si_context *sctx = (struct si_context *)ctx; 3421 3422 sctx->b.flags |= SI_CONTEXT_INV_VMEM_L1 | 3423 SI_CONTEXT_INV_GLOBAL_L2 | 3424 SI_CONTEXT_FLUSH_AND_INV_CB | 3425 SI_CONTEXT_CS_PARTIAL_FLUSH; 3426} 3427 3428static void si_memory_barrier(struct pipe_context *ctx, unsigned flags) 3429{ 3430 struct si_context *sctx = (struct si_context *)ctx; 3431 3432 /* Subsequent commands must wait for all shader invocations to 3433 * complete. */ 3434 sctx->b.flags |= SI_CONTEXT_PS_PARTIAL_FLUSH | 3435 SI_CONTEXT_CS_PARTIAL_FLUSH; 3436 3437 if (flags & PIPE_BARRIER_CONSTANT_BUFFER) 3438 sctx->b.flags |= SI_CONTEXT_INV_SMEM_L1 | 3439 SI_CONTEXT_INV_VMEM_L1; 3440 3441 if (flags & (PIPE_BARRIER_VERTEX_BUFFER | 3442 PIPE_BARRIER_SHADER_BUFFER | 3443 PIPE_BARRIER_TEXTURE | 3444 PIPE_BARRIER_IMAGE | 3445 PIPE_BARRIER_STREAMOUT_BUFFER | 3446 PIPE_BARRIER_GLOBAL_BUFFER)) { 3447 /* As far as I can tell, L1 contents are written back to L2 3448 * automatically at end of shader, but the contents of other 3449 * L1 caches might still be stale. */ 3450 sctx->b.flags |= SI_CONTEXT_INV_VMEM_L1; 3451 } 3452 3453 if (flags & PIPE_BARRIER_INDEX_BUFFER) { 3454 sctx->b.flags |= SI_CONTEXT_INV_VMEM_L1; 3455 3456 /* Indices are read through TC L2 since VI. */ 3457 if (sctx->screen->b.chip_class <= CIK) 3458 sctx->b.flags |= SI_CONTEXT_INV_GLOBAL_L2; 3459 } 3460 3461 if (flags & PIPE_BARRIER_FRAMEBUFFER) 3462 sctx->b.flags |= SI_CONTEXT_FLUSH_AND_INV_FRAMEBUFFER; 3463 3464 if (flags & (PIPE_BARRIER_MAPPED_BUFFER | 3465 PIPE_BARRIER_FRAMEBUFFER | 3466 PIPE_BARRIER_INDIRECT_BUFFER)) { 3467 /* Not sure if INV_GLOBAL_L2 is the best thing here. 3468 * 3469 * We need to make sure that TC L1 & L2 are written back to 3470 * memory, because neither CPU accesses nor CB fetches consider 3471 * TC, but there's no need to invalidate any TC cache lines. */ 3472 sctx->b.flags |= SI_CONTEXT_INV_GLOBAL_L2; 3473 } 3474} 3475 3476static void *si_create_blend_custom(struct si_context *sctx, unsigned mode) 3477{ 3478 struct pipe_blend_state blend; 3479 3480 memset(&blend, 0, sizeof(blend)); 3481 blend.independent_blend_enable = true; 3482 blend.rt[0].colormask = 0xf; 3483 return si_create_blend_state_mode(&sctx->b.b, &blend, mode); 3484} 3485 3486static void si_need_gfx_cs_space(struct pipe_context *ctx, unsigned num_dw, 3487 bool include_draw_vbo) 3488{ 3489 si_need_cs_space((struct si_context*)ctx); 3490} 3491 3492static void si_init_config(struct si_context *sctx); 3493 3494void si_init_state_functions(struct si_context *sctx) 3495{ 3496 si_init_external_atom(sctx, &sctx->b.render_cond_atom, &sctx->atoms.s.render_cond); 3497 si_init_external_atom(sctx, &sctx->b.streamout.begin_atom, &sctx->atoms.s.streamout_begin); 3498 si_init_external_atom(sctx, &sctx->b.streamout.enable_atom, &sctx->atoms.s.streamout_enable); 3499 si_init_external_atom(sctx, &sctx->b.scissors.atom, &sctx->atoms.s.scissors); 3500 si_init_external_atom(sctx, &sctx->b.viewports.atom, &sctx->atoms.s.viewports); 3501 3502 si_init_atom(sctx, &sctx->cache_flush, &sctx->atoms.s.cache_flush, si_emit_cache_flush); 3503 si_init_atom(sctx, &sctx->framebuffer.atom, &sctx->atoms.s.framebuffer, si_emit_framebuffer_state); 3504 si_init_atom(sctx, &sctx->msaa_sample_locs, &sctx->atoms.s.msaa_sample_locs, si_emit_msaa_sample_locs); 3505 si_init_atom(sctx, &sctx->db_render_state, &sctx->atoms.s.db_render_state, si_emit_db_render_state); 3506 si_init_atom(sctx, &sctx->msaa_config, &sctx->atoms.s.msaa_config, si_emit_msaa_config); 3507 si_init_atom(sctx, &sctx->sample_mask.atom, &sctx->atoms.s.sample_mask, si_emit_sample_mask); 3508 si_init_atom(sctx, &sctx->cb_render_state, &sctx->atoms.s.cb_render_state, si_emit_cb_render_state); 3509 si_init_atom(sctx, &sctx->blend_color.atom, &sctx->atoms.s.blend_color, si_emit_blend_color); 3510 si_init_atom(sctx, &sctx->clip_regs, &sctx->atoms.s.clip_regs, si_emit_clip_regs); 3511 si_init_atom(sctx, &sctx->clip_state.atom, &sctx->atoms.s.clip_state, si_emit_clip_state); 3512 si_init_atom(sctx, &sctx->stencil_ref.atom, &sctx->atoms.s.stencil_ref, si_emit_stencil_ref); 3513 3514 sctx->b.b.create_blend_state = si_create_blend_state; 3515 sctx->b.b.bind_blend_state = si_bind_blend_state; 3516 sctx->b.b.delete_blend_state = si_delete_blend_state; 3517 sctx->b.b.set_blend_color = si_set_blend_color; 3518 3519 sctx->b.b.create_rasterizer_state = si_create_rs_state; 3520 sctx->b.b.bind_rasterizer_state = si_bind_rs_state; 3521 sctx->b.b.delete_rasterizer_state = si_delete_rs_state; 3522 3523 sctx->b.b.create_depth_stencil_alpha_state = si_create_dsa_state; 3524 sctx->b.b.bind_depth_stencil_alpha_state = si_bind_dsa_state; 3525 sctx->b.b.delete_depth_stencil_alpha_state = si_delete_dsa_state; 3526 3527 sctx->custom_dsa_flush = si_create_db_flush_dsa(sctx); 3528 sctx->custom_blend_resolve = si_create_blend_custom(sctx, V_028808_CB_RESOLVE); 3529 sctx->custom_blend_decompress = si_create_blend_custom(sctx, V_028808_CB_FMASK_DECOMPRESS); 3530 sctx->custom_blend_fastclear = si_create_blend_custom(sctx, V_028808_CB_ELIMINATE_FAST_CLEAR); 3531 sctx->custom_blend_dcc_decompress = si_create_blend_custom(sctx, V_028808_CB_DCC_DECOMPRESS); 3532 3533 sctx->b.b.set_clip_state = si_set_clip_state; 3534 sctx->b.b.set_stencil_ref = si_set_stencil_ref; 3535 3536 sctx->b.b.set_framebuffer_state = si_set_framebuffer_state; 3537 sctx->b.b.get_sample_position = cayman_get_sample_position; 3538 3539 sctx->b.b.create_sampler_state = si_create_sampler_state; 3540 sctx->b.b.delete_sampler_state = si_delete_sampler_state; 3541 3542 sctx->b.b.create_sampler_view = si_create_sampler_view; 3543 sctx->b.b.sampler_view_destroy = si_sampler_view_destroy; 3544 3545 sctx->b.b.set_sample_mask = si_set_sample_mask; 3546 3547 sctx->b.b.create_vertex_elements_state = si_create_vertex_elements; 3548 sctx->b.b.bind_vertex_elements_state = si_bind_vertex_elements; 3549 sctx->b.b.delete_vertex_elements_state = si_delete_vertex_element; 3550 sctx->b.b.set_vertex_buffers = si_set_vertex_buffers; 3551 sctx->b.b.set_index_buffer = si_set_index_buffer; 3552 3553 sctx->b.b.texture_barrier = si_texture_barrier; 3554 sctx->b.b.memory_barrier = si_memory_barrier; 3555 sctx->b.b.set_min_samples = si_set_min_samples; 3556 sctx->b.b.set_tess_state = si_set_tess_state; 3557 3558 sctx->b.b.set_active_query_state = si_set_active_query_state; 3559 sctx->b.set_occlusion_query_state = si_set_occlusion_query_state; 3560 sctx->b.need_gfx_cs_space = si_need_gfx_cs_space; 3561 3562 sctx->b.b.draw_vbo = si_draw_vbo; 3563 3564 if (sctx->b.chip_class >= CIK) { 3565 sctx->b.dma_copy = cik_sdma_copy; 3566 } else { 3567 sctx->b.dma_copy = si_dma_copy; 3568 } 3569 3570 si_init_config(sctx); 3571} 3572 3573static void si_query_opaque_metadata(struct r600_common_screen *rscreen, 3574 struct r600_texture *rtex, 3575 struct radeon_bo_metadata *md) 3576{ 3577 struct si_screen *sscreen = (struct si_screen*)rscreen; 3578 struct pipe_resource *res = &rtex->resource.b.b; 3579 static const unsigned char swizzle[] = { 3580 PIPE_SWIZZLE_X, 3581 PIPE_SWIZZLE_Y, 3582 PIPE_SWIZZLE_Z, 3583 PIPE_SWIZZLE_W 3584 }; 3585 uint32_t desc[8], i; 3586 bool is_array = util_resource_is_array_texture(res); 3587 3588 /* DRM 2.x.x doesn't support this. */ 3589 if (rscreen->info.drm_major != 3) 3590 return; 3591 3592 assert(rtex->fmask.size == 0); 3593 3594 /* Metadata image format format version 1: 3595 * [0] = 1 (metadata format identifier) 3596 * [1] = (VENDOR_ID << 16) | PCI_ID 3597 * [2:9] = image descriptor for the whole resource 3598 * [2] is always 0, because the base address is cleared 3599 * [9] is the DCC offset bits [39:8] from the beginning of 3600 * the buffer 3601 * [10:10+LAST_LEVEL] = mipmap level offset bits [39:8] for each level 3602 */ 3603 3604 md->metadata[0] = 1; /* metadata image format version 1 */ 3605 3606 /* TILE_MODE_INDEX is ambiguous without a PCI ID. */ 3607 md->metadata[1] = (ATI_VENDOR_ID << 16) | rscreen->info.pci_id; 3608 3609 si_make_texture_descriptor(sscreen, rtex, true, 3610 res->target, res->format, 3611 swizzle, 0, 0, res->last_level, 0, 3612 is_array ? res->array_size - 1 : 0, 3613 res->width0, res->height0, res->depth0, 3614 desc, NULL); 3615 3616 /* Clear the base address and set the relative DCC offset. */ 3617 desc[0] = 0; 3618 desc[1] &= C_008F14_BASE_ADDRESS_HI; 3619 desc[7] = rtex->dcc_offset >> 8; 3620 3621 /* Dwords [2:9] contain the image descriptor. */ 3622 memcpy(&md->metadata[2], desc, sizeof(desc)); 3623 3624 /* Dwords [10:..] contain the mipmap level offsets. */ 3625 for (i = 0; i <= res->last_level; i++) 3626 md->metadata[10+i] = rtex->surface.level[i].offset >> 8; 3627 3628 md->size_metadata = (11 + res->last_level) * 4; 3629} 3630 3631void si_init_screen_state_functions(struct si_screen *sscreen) 3632{ 3633 sscreen->b.query_opaque_metadata = si_query_opaque_metadata; 3634} 3635 3636static void 3637si_write_harvested_raster_configs(struct si_context *sctx, 3638 struct si_pm4_state *pm4, 3639 unsigned raster_config, 3640 unsigned raster_config_1) 3641{ 3642 unsigned sh_per_se = MAX2(sctx->screen->b.info.max_sh_per_se, 1); 3643 unsigned num_se = MAX2(sctx->screen->b.info.max_se, 1); 3644 unsigned rb_mask = sctx->screen->b.info.enabled_rb_mask; 3645 unsigned num_rb = MIN2(sctx->screen->b.info.num_render_backends, 16); 3646 unsigned rb_per_pkr = MIN2(num_rb / num_se / sh_per_se, 2); 3647 unsigned rb_per_se = num_rb / num_se; 3648 unsigned se_mask[4]; 3649 unsigned se; 3650 3651 se_mask[0] = ((1 << rb_per_se) - 1) & rb_mask; 3652 se_mask[1] = (se_mask[0] << rb_per_se) & rb_mask; 3653 se_mask[2] = (se_mask[1] << rb_per_se) & rb_mask; 3654 se_mask[3] = (se_mask[2] << rb_per_se) & rb_mask; 3655 3656 assert(num_se == 1 || num_se == 2 || num_se == 4); 3657 assert(sh_per_se == 1 || sh_per_se == 2); 3658 assert(rb_per_pkr == 1 || rb_per_pkr == 2); 3659 3660 /* XXX: I can't figure out what the *_XSEL and *_YSEL 3661 * fields are for, so I'm leaving them as their default 3662 * values. */ 3663 3664 if ((num_se > 2) && ((!se_mask[0] && !se_mask[1]) || 3665 (!se_mask[2] && !se_mask[3]))) { 3666 raster_config_1 &= C_028354_SE_PAIR_MAP; 3667 3668 if (!se_mask[0] && !se_mask[1]) { 3669 raster_config_1 |= 3670 S_028354_SE_PAIR_MAP(V_028354_RASTER_CONFIG_SE_PAIR_MAP_3); 3671 } else { 3672 raster_config_1 |= 3673 S_028354_SE_PAIR_MAP(V_028354_RASTER_CONFIG_SE_PAIR_MAP_0); 3674 } 3675 } 3676 3677 for (se = 0; se < num_se; se++) { 3678 unsigned raster_config_se = raster_config; 3679 unsigned pkr0_mask = ((1 << rb_per_pkr) - 1) << (se * rb_per_se); 3680 unsigned pkr1_mask = pkr0_mask << rb_per_pkr; 3681 int idx = (se / 2) * 2; 3682 3683 if ((num_se > 1) && (!se_mask[idx] || !se_mask[idx + 1])) { 3684 raster_config_se &= C_028350_SE_MAP; 3685 3686 if (!se_mask[idx]) { 3687 raster_config_se |= 3688 S_028350_SE_MAP(V_028350_RASTER_CONFIG_SE_MAP_3); 3689 } else { 3690 raster_config_se |= 3691 S_028350_SE_MAP(V_028350_RASTER_CONFIG_SE_MAP_0); 3692 } 3693 } 3694 3695 pkr0_mask &= rb_mask; 3696 pkr1_mask &= rb_mask; 3697 if (rb_per_se > 2 && (!pkr0_mask || !pkr1_mask)) { 3698 raster_config_se &= C_028350_PKR_MAP; 3699 3700 if (!pkr0_mask) { 3701 raster_config_se |= 3702 S_028350_PKR_MAP(V_028350_RASTER_CONFIG_PKR_MAP_3); 3703 } else { 3704 raster_config_se |= 3705 S_028350_PKR_MAP(V_028350_RASTER_CONFIG_PKR_MAP_0); 3706 } 3707 } 3708 3709 if (rb_per_se >= 2) { 3710 unsigned rb0_mask = 1 << (se * rb_per_se); 3711 unsigned rb1_mask = rb0_mask << 1; 3712 3713 rb0_mask &= rb_mask; 3714 rb1_mask &= rb_mask; 3715 if (!rb0_mask || !rb1_mask) { 3716 raster_config_se &= C_028350_RB_MAP_PKR0; 3717 3718 if (!rb0_mask) { 3719 raster_config_se |= 3720 S_028350_RB_MAP_PKR0(V_028350_RASTER_CONFIG_RB_MAP_3); 3721 } else { 3722 raster_config_se |= 3723 S_028350_RB_MAP_PKR0(V_028350_RASTER_CONFIG_RB_MAP_0); 3724 } 3725 } 3726 3727 if (rb_per_se > 2) { 3728 rb0_mask = 1 << (se * rb_per_se + rb_per_pkr); 3729 rb1_mask = rb0_mask << 1; 3730 rb0_mask &= rb_mask; 3731 rb1_mask &= rb_mask; 3732 if (!rb0_mask || !rb1_mask) { 3733 raster_config_se &= C_028350_RB_MAP_PKR1; 3734 3735 if (!rb0_mask) { 3736 raster_config_se |= 3737 S_028350_RB_MAP_PKR1(V_028350_RASTER_CONFIG_RB_MAP_3); 3738 } else { 3739 raster_config_se |= 3740 S_028350_RB_MAP_PKR1(V_028350_RASTER_CONFIG_RB_MAP_0); 3741 } 3742 } 3743 } 3744 } 3745 3746 /* GRBM_GFX_INDEX has a different offset on SI and CI+ */ 3747 if (sctx->b.chip_class < CIK) 3748 si_pm4_set_reg(pm4, GRBM_GFX_INDEX, 3749 SE_INDEX(se) | SH_BROADCAST_WRITES | 3750 INSTANCE_BROADCAST_WRITES); 3751 else 3752 si_pm4_set_reg(pm4, R_030800_GRBM_GFX_INDEX, 3753 S_030800_SE_INDEX(se) | S_030800_SH_BROADCAST_WRITES(1) | 3754 S_030800_INSTANCE_BROADCAST_WRITES(1)); 3755 si_pm4_set_reg(pm4, R_028350_PA_SC_RASTER_CONFIG, raster_config_se); 3756 if (sctx->b.chip_class >= CIK) 3757 si_pm4_set_reg(pm4, R_028354_PA_SC_RASTER_CONFIG_1, raster_config_1); 3758 } 3759 3760 /* GRBM_GFX_INDEX has a different offset on SI and CI+ */ 3761 if (sctx->b.chip_class < CIK) 3762 si_pm4_set_reg(pm4, GRBM_GFX_INDEX, 3763 SE_BROADCAST_WRITES | SH_BROADCAST_WRITES | 3764 INSTANCE_BROADCAST_WRITES); 3765 else 3766 si_pm4_set_reg(pm4, R_030800_GRBM_GFX_INDEX, 3767 S_030800_SE_BROADCAST_WRITES(1) | S_030800_SH_BROADCAST_WRITES(1) | 3768 S_030800_INSTANCE_BROADCAST_WRITES(1)); 3769} 3770 3771static void si_init_config(struct si_context *sctx) 3772{ 3773 struct si_screen *sscreen = sctx->screen; 3774 unsigned num_rb = MIN2(sctx->screen->b.info.num_render_backends, 16); 3775 unsigned rb_mask = sctx->screen->b.info.enabled_rb_mask; 3776 unsigned raster_config, raster_config_1; 3777 uint64_t border_color_va = sctx->border_color_buffer->gpu_address; 3778 struct si_pm4_state *pm4 = CALLOC_STRUCT(si_pm4_state); 3779 int i; 3780 3781 if (!pm4) 3782 return; 3783 3784 si_pm4_cmd_begin(pm4, PKT3_CONTEXT_CONTROL); 3785 si_pm4_cmd_add(pm4, CONTEXT_CONTROL_LOAD_ENABLE(1)); 3786 si_pm4_cmd_add(pm4, CONTEXT_CONTROL_SHADOW_ENABLE(1)); 3787 si_pm4_cmd_end(pm4, false); 3788 3789 si_pm4_set_reg(pm4, R_028A18_VGT_HOS_MAX_TESS_LEVEL, fui(64)); 3790 si_pm4_set_reg(pm4, R_028A1C_VGT_HOS_MIN_TESS_LEVEL, fui(0)); 3791 3792 /* FIXME calculate these values somehow ??? */ 3793 si_pm4_set_reg(pm4, R_028A54_VGT_GS_PER_ES, SI_GS_PER_ES); 3794 si_pm4_set_reg(pm4, R_028A58_VGT_ES_PER_GS, 0x40); 3795 si_pm4_set_reg(pm4, R_028A5C_VGT_GS_PER_VS, 0x2); 3796 3797 si_pm4_set_reg(pm4, R_028A8C_VGT_PRIMITIVEID_RESET, 0x0); 3798 si_pm4_set_reg(pm4, R_028B28_VGT_STRMOUT_DRAW_OPAQUE_OFFSET, 0); 3799 3800 si_pm4_set_reg(pm4, R_028B98_VGT_STRMOUT_BUFFER_CONFIG, 0x0); 3801 si_pm4_set_reg(pm4, R_028AB8_VGT_VTX_CNT_EN, 0x0); 3802 if (sctx->b.chip_class < CIK) 3803 si_pm4_set_reg(pm4, R_008A14_PA_CL_ENHANCE, S_008A14_NUM_CLIP_SEQ(3) | 3804 S_008A14_CLIP_VTX_REORDER_ENA(1)); 3805 3806 si_pm4_set_reg(pm4, R_028BD4_PA_SC_CENTROID_PRIORITY_0, 0x76543210); 3807 si_pm4_set_reg(pm4, R_028BD8_PA_SC_CENTROID_PRIORITY_1, 0xfedcba98); 3808 3809 si_pm4_set_reg(pm4, R_02882C_PA_SU_PRIM_FILTER_CNTL, 0); 3810 3811 for (i = 0; i < 16; i++) { 3812 si_pm4_set_reg(pm4, R_0282D0_PA_SC_VPORT_ZMIN_0 + i*8, 0); 3813 si_pm4_set_reg(pm4, R_0282D4_PA_SC_VPORT_ZMAX_0 + i*8, fui(1.0)); 3814 } 3815 3816 switch (sctx->screen->b.family) { 3817 case CHIP_TAHITI: 3818 case CHIP_PITCAIRN: 3819 raster_config = 0x2a00126a; 3820 raster_config_1 = 0x00000000; 3821 break; 3822 case CHIP_VERDE: 3823 raster_config = 0x0000124a; 3824 raster_config_1 = 0x00000000; 3825 break; 3826 case CHIP_OLAND: 3827 raster_config = 0x00000082; 3828 raster_config_1 = 0x00000000; 3829 break; 3830 case CHIP_HAINAN: 3831 raster_config = 0x00000000; 3832 raster_config_1 = 0x00000000; 3833 break; 3834 case CHIP_BONAIRE: 3835 raster_config = 0x16000012; 3836 raster_config_1 = 0x00000000; 3837 break; 3838 case CHIP_HAWAII: 3839 raster_config = 0x3a00161a; 3840 raster_config_1 = 0x0000002e; 3841 break; 3842 case CHIP_FIJI: 3843 if (sscreen->b.info.cik_macrotile_mode_array[0] == 0x000000e8) { 3844 /* old kernels with old tiling config */ 3845 raster_config = 0x16000012; 3846 raster_config_1 = 0x0000002a; 3847 } else { 3848 raster_config = 0x3a00161a; 3849 raster_config_1 = 0x0000002e; 3850 } 3851 break; 3852 case CHIP_POLARIS10: 3853 raster_config = 0x16000012; 3854 raster_config_1 = 0x0000002a; 3855 break; 3856 case CHIP_POLARIS11: 3857 raster_config = 0x16000012; 3858 raster_config_1 = 0x00000000; 3859 break; 3860 case CHIP_TONGA: 3861 raster_config = 0x16000012; 3862 raster_config_1 = 0x0000002a; 3863 break; 3864 case CHIP_ICELAND: 3865 raster_config = 0x00000002; 3866 raster_config_1 = 0x00000000; 3867 break; 3868 case CHIP_CARRIZO: 3869 raster_config = 0x00000002; 3870 raster_config_1 = 0x00000000; 3871 break; 3872 case CHIP_KAVERI: 3873 /* KV should be 0x00000002, but that causes problems with radeon */ 3874 raster_config = 0x00000000; /* 0x00000002 */ 3875 raster_config_1 = 0x00000000; 3876 break; 3877 case CHIP_KABINI: 3878 case CHIP_MULLINS: 3879 case CHIP_STONEY: 3880 raster_config = 0x00000000; 3881 raster_config_1 = 0x00000000; 3882 break; 3883 default: 3884 fprintf(stderr, 3885 "radeonsi: Unknown GPU, using 0 for raster_config\n"); 3886 raster_config = 0x00000000; 3887 raster_config_1 = 0x00000000; 3888 break; 3889 } 3890 3891 /* Always use the default config when all backends are enabled 3892 * (or when we failed to determine the enabled backends). 3893 */ 3894 if (!rb_mask || util_bitcount(rb_mask) >= num_rb) { 3895 si_pm4_set_reg(pm4, R_028350_PA_SC_RASTER_CONFIG, 3896 raster_config); 3897 if (sctx->b.chip_class >= CIK) 3898 si_pm4_set_reg(pm4, R_028354_PA_SC_RASTER_CONFIG_1, 3899 raster_config_1); 3900 } else { 3901 si_write_harvested_raster_configs(sctx, pm4, raster_config, raster_config_1); 3902 } 3903 3904 si_pm4_set_reg(pm4, R_028204_PA_SC_WINDOW_SCISSOR_TL, S_028204_WINDOW_OFFSET_DISABLE(1)); 3905 si_pm4_set_reg(pm4, R_028240_PA_SC_GENERIC_SCISSOR_TL, S_028240_WINDOW_OFFSET_DISABLE(1)); 3906 si_pm4_set_reg(pm4, R_028244_PA_SC_GENERIC_SCISSOR_BR, 3907 S_028244_BR_X(16384) | S_028244_BR_Y(16384)); 3908 si_pm4_set_reg(pm4, R_028030_PA_SC_SCREEN_SCISSOR_TL, 0); 3909 si_pm4_set_reg(pm4, R_028034_PA_SC_SCREEN_SCISSOR_BR, 3910 S_028034_BR_X(16384) | S_028034_BR_Y(16384)); 3911 3912 si_pm4_set_reg(pm4, R_02820C_PA_SC_CLIPRECT_RULE, 0xFFFF); 3913 si_pm4_set_reg(pm4, R_028230_PA_SC_EDGERULE, 0xAAAAAAAA); 3914 /* PA_SU_HARDWARE_SCREEN_OFFSET must be 0 due to hw bug on SI */ 3915 si_pm4_set_reg(pm4, R_028234_PA_SU_HARDWARE_SCREEN_OFFSET, 0); 3916 si_pm4_set_reg(pm4, R_028820_PA_CL_NANINF_CNTL, 0); 3917 si_pm4_set_reg(pm4, R_028AC0_DB_SRESULTS_COMPARE_STATE0, 0x0); 3918 si_pm4_set_reg(pm4, R_028AC4_DB_SRESULTS_COMPARE_STATE1, 0x0); 3919 si_pm4_set_reg(pm4, R_028AC8_DB_PRELOAD_CONTROL, 0x0); 3920 si_pm4_set_reg(pm4, R_02800C_DB_RENDER_OVERRIDE, 3921 S_02800C_FORCE_HIS_ENABLE0(V_02800C_FORCE_DISABLE) | 3922 S_02800C_FORCE_HIS_ENABLE1(V_02800C_FORCE_DISABLE)); 3923 3924 si_pm4_set_reg(pm4, R_028400_VGT_MAX_VTX_INDX, ~0); 3925 si_pm4_set_reg(pm4, R_028404_VGT_MIN_VTX_INDX, 0); 3926 si_pm4_set_reg(pm4, R_028408_VGT_INDX_OFFSET, 0); 3927 3928 if (sctx->b.chip_class >= CIK) { 3929 si_pm4_set_reg(pm4, R_00B41C_SPI_SHADER_PGM_RSRC3_HS, 0); 3930 si_pm4_set_reg(pm4, R_00B31C_SPI_SHADER_PGM_RSRC3_ES, S_00B31C_CU_EN(0xffff)); 3931 si_pm4_set_reg(pm4, R_00B21C_SPI_SHADER_PGM_RSRC3_GS, S_00B21C_CU_EN(0xffff)); 3932 3933 if (sscreen->b.info.num_good_compute_units / 3934 (sscreen->b.info.max_se * sscreen->b.info.max_sh_per_se) <= 4) { 3935 /* Too few available compute units per SH. Disallowing 3936 * VS to run on CU0 could hurt us more than late VS 3937 * allocation would help. 3938 * 3939 * LATE_ALLOC_VS = 2 is the highest safe number. 3940 */ 3941 si_pm4_set_reg(pm4, R_00B51C_SPI_SHADER_PGM_RSRC3_LS, S_00B51C_CU_EN(0xffff)); 3942 si_pm4_set_reg(pm4, R_00B118_SPI_SHADER_PGM_RSRC3_VS, S_00B118_CU_EN(0xffff)); 3943 si_pm4_set_reg(pm4, R_00B11C_SPI_SHADER_LATE_ALLOC_VS, S_00B11C_LIMIT(2)); 3944 } else { 3945 /* Set LATE_ALLOC_VS == 31. It should be less than 3946 * the number of scratch waves. Limitations: 3947 * - VS can't execute on CU0. 3948 * - If HS writes outputs to LDS, LS can't execute on CU0. 3949 */ 3950 si_pm4_set_reg(pm4, R_00B51C_SPI_SHADER_PGM_RSRC3_LS, S_00B51C_CU_EN(0xfffe)); 3951 si_pm4_set_reg(pm4, R_00B118_SPI_SHADER_PGM_RSRC3_VS, S_00B118_CU_EN(0xfffe)); 3952 si_pm4_set_reg(pm4, R_00B11C_SPI_SHADER_LATE_ALLOC_VS, S_00B11C_LIMIT(31)); 3953 } 3954 3955 si_pm4_set_reg(pm4, R_00B01C_SPI_SHADER_PGM_RSRC3_PS, S_00B01C_CU_EN(0xffff)); 3956 } 3957 3958 if (sctx->b.chip_class >= VI) { 3959 si_pm4_set_reg(pm4, R_028424_CB_DCC_CONTROL, 3960 S_028424_OVERWRITE_COMBINER_MRT_SHARING_DISABLE(1) | 3961 S_028424_OVERWRITE_COMBINER_WATERMARK(4)); 3962 si_pm4_set_reg(pm4, R_028C58_VGT_VERTEX_REUSE_BLOCK_CNTL, 30); 3963 si_pm4_set_reg(pm4, R_028C5C_VGT_OUT_DEALLOC_CNTL, 32); 3964 } 3965 3966 if (sctx->b.family == CHIP_STONEY) 3967 si_pm4_set_reg(pm4, R_028C40_PA_SC_SHADER_CONTROL, 0); 3968 3969 si_pm4_set_reg(pm4, R_028080_TA_BC_BASE_ADDR, border_color_va >> 8); 3970 if (sctx->b.chip_class >= CIK) 3971 si_pm4_set_reg(pm4, R_028084_TA_BC_BASE_ADDR_HI, border_color_va >> 40); 3972 si_pm4_add_bo(pm4, sctx->border_color_buffer, RADEON_USAGE_READ, 3973 RADEON_PRIO_BORDER_COLORS); 3974 3975 si_pm4_upload_indirect_buffer(sctx, pm4); 3976 sctx->init_config = pm4; 3977} 3978