si_state.c revision 3eacbc52d51789f7c58dfe5ca1317962eb9d1a6a
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 58static unsigned si_map_swizzle(unsigned swizzle) 59{ 60 switch (swizzle) { 61 case PIPE_SWIZZLE_Y: 62 return V_008F0C_SQ_SEL_Y; 63 case PIPE_SWIZZLE_Z: 64 return V_008F0C_SQ_SEL_Z; 65 case PIPE_SWIZZLE_W: 66 return V_008F0C_SQ_SEL_W; 67 case PIPE_SWIZZLE_0: 68 return V_008F0C_SQ_SEL_0; 69 case PIPE_SWIZZLE_1: 70 return V_008F0C_SQ_SEL_1; 71 default: /* PIPE_SWIZZLE_X */ 72 return V_008F0C_SQ_SEL_X; 73 } 74} 75 76static uint32_t S_FIXED(float value, uint32_t frac_bits) 77{ 78 return value * (1 << frac_bits); 79} 80 81/* 12.4 fixed-point */ 82static unsigned si_pack_float_12p4(float x) 83{ 84 return x <= 0 ? 0 : 85 x >= 4096 ? 0xffff : x * 16; 86} 87 88/* 89 * Inferred framebuffer and blender state. 90 * 91 * One of the reasons CB_TARGET_MASK must be derived from the framebuffer state 92 * is that: 93 * - The blend state mask is 0xf most of the time. 94 * - The COLOR1 format isn't INVALID because of possible dual-source blending, 95 * so COLOR1 is enabled pretty much all the time. 96 * So CB_TARGET_MASK is the only register that can disable COLOR1. 97 * 98 * Another reason is to avoid a hang with dual source blending. 99 */ 100static void si_emit_cb_render_state(struct si_context *sctx, struct r600_atom *atom) 101{ 102 struct radeon_winsys_cs *cs = sctx->b.gfx.cs; 103 struct si_state_blend *blend = sctx->queued.named.blend; 104 uint32_t cb_target_mask = 0, i; 105 106 for (i = 0; i < sctx->framebuffer.state.nr_cbufs; i++) 107 if (sctx->framebuffer.state.cbufs[i]) 108 cb_target_mask |= 0xf << (4*i); 109 110 if (blend) 111 cb_target_mask &= blend->cb_target_mask; 112 113 /* Avoid a hang that happens when dual source blending is enabled 114 * but there is not enough color outputs. This is undefined behavior, 115 * so disable color writes completely. 116 * 117 * Reproducible with Unigine Heaven 4.0 and drirc missing. 118 */ 119 if (blend && blend->dual_src_blend && 120 sctx->ps_shader.cso && 121 (sctx->ps_shader.cso->info.colors_written & 0x3) != 0x3) 122 cb_target_mask = 0; 123 124 radeon_set_context_reg(cs, R_028238_CB_TARGET_MASK, cb_target_mask); 125 126 /* STONEY-specific register settings. */ 127 if (sctx->b.family == CHIP_STONEY) { 128 unsigned spi_shader_col_format = 129 sctx->ps_shader.cso ? 130 sctx->ps_shader.current->key.ps.epilog.spi_shader_col_format : 0; 131 unsigned sx_ps_downconvert = 0; 132 unsigned sx_blend_opt_epsilon = 0; 133 unsigned sx_blend_opt_control = 0; 134 135 for (i = 0; i < sctx->framebuffer.state.nr_cbufs; i++) { 136 struct r600_surface *surf = 137 (struct r600_surface*)sctx->framebuffer.state.cbufs[i]; 138 unsigned format, swap, spi_format, colormask; 139 bool has_alpha, has_rgb; 140 141 if (!surf) 142 continue; 143 144 format = G_028C70_FORMAT(surf->cb_color_info); 145 swap = G_028C70_COMP_SWAP(surf->cb_color_info); 146 spi_format = (spi_shader_col_format >> (i * 4)) & 0xf; 147 colormask = (cb_target_mask >> (i * 4)) & 0xf; 148 149 /* Set if RGB and A are present. */ 150 has_alpha = !G_028C74_FORCE_DST_ALPHA_1(surf->cb_color_attrib); 151 152 if (format == V_028C70_COLOR_8 || 153 format == V_028C70_COLOR_16 || 154 format == V_028C70_COLOR_32) 155 has_rgb = !has_alpha; 156 else 157 has_rgb = true; 158 159 /* Check the colormask and export format. */ 160 if (!(colormask & (PIPE_MASK_RGBA & ~PIPE_MASK_A))) 161 has_rgb = false; 162 if (!(colormask & PIPE_MASK_A)) 163 has_alpha = false; 164 165 if (spi_format == V_028714_SPI_SHADER_ZERO) { 166 has_rgb = false; 167 has_alpha = false; 168 } 169 170 /* Disable value checking for disabled channels. */ 171 if (!has_rgb) 172 sx_blend_opt_control |= S_02875C_MRT0_COLOR_OPT_DISABLE(1) << (i * 4); 173 if (!has_alpha) 174 sx_blend_opt_control |= S_02875C_MRT0_ALPHA_OPT_DISABLE(1) << (i * 4); 175 176 /* Enable down-conversion for 32bpp and smaller formats. */ 177 switch (format) { 178 case V_028C70_COLOR_8: 179 case V_028C70_COLOR_8_8: 180 case V_028C70_COLOR_8_8_8_8: 181 /* For 1 and 2-channel formats, use the superset thereof. */ 182 if (spi_format == V_028714_SPI_SHADER_FP16_ABGR || 183 spi_format == V_028714_SPI_SHADER_UINT16_ABGR || 184 spi_format == V_028714_SPI_SHADER_SINT16_ABGR) { 185 sx_ps_downconvert |= V_028754_SX_RT_EXPORT_8_8_8_8 << (i * 4); 186 sx_blend_opt_epsilon |= V_028758_8BIT_FORMAT << (i * 4); 187 } 188 break; 189 190 case V_028C70_COLOR_5_6_5: 191 if (spi_format == V_028714_SPI_SHADER_FP16_ABGR) { 192 sx_ps_downconvert |= V_028754_SX_RT_EXPORT_5_6_5 << (i * 4); 193 sx_blend_opt_epsilon |= V_028758_6BIT_FORMAT << (i * 4); 194 } 195 break; 196 197 case V_028C70_COLOR_1_5_5_5: 198 if (spi_format == V_028714_SPI_SHADER_FP16_ABGR) { 199 sx_ps_downconvert |= V_028754_SX_RT_EXPORT_1_5_5_5 << (i * 4); 200 sx_blend_opt_epsilon |= V_028758_5BIT_FORMAT << (i * 4); 201 } 202 break; 203 204 case V_028C70_COLOR_4_4_4_4: 205 if (spi_format == V_028714_SPI_SHADER_FP16_ABGR) { 206 sx_ps_downconvert |= V_028754_SX_RT_EXPORT_4_4_4_4 << (i * 4); 207 sx_blend_opt_epsilon |= V_028758_4BIT_FORMAT << (i * 4); 208 } 209 break; 210 211 case V_028C70_COLOR_32: 212 if (swap == V_0280A0_SWAP_STD && 213 spi_format == V_028714_SPI_SHADER_32_R) 214 sx_ps_downconvert |= V_028754_SX_RT_EXPORT_32_R << (i * 4); 215 else if (swap == V_0280A0_SWAP_ALT_REV && 216 spi_format == V_028714_SPI_SHADER_32_AR) 217 sx_ps_downconvert |= V_028754_SX_RT_EXPORT_32_A << (i * 4); 218 break; 219 220 case V_028C70_COLOR_16: 221 case V_028C70_COLOR_16_16: 222 /* For 1-channel formats, use the superset thereof. */ 223 if (spi_format == V_028714_SPI_SHADER_UNORM16_ABGR || 224 spi_format == V_028714_SPI_SHADER_SNORM16_ABGR || 225 spi_format == V_028714_SPI_SHADER_UINT16_ABGR || 226 spi_format == V_028714_SPI_SHADER_SINT16_ABGR) { 227 if (swap == V_0280A0_SWAP_STD || 228 swap == V_0280A0_SWAP_STD_REV) 229 sx_ps_downconvert |= V_028754_SX_RT_EXPORT_16_16_GR << (i * 4); 230 else 231 sx_ps_downconvert |= V_028754_SX_RT_EXPORT_16_16_AR << (i * 4); 232 } 233 break; 234 235 case V_028C70_COLOR_10_11_11: 236 if (spi_format == V_028714_SPI_SHADER_FP16_ABGR) { 237 sx_ps_downconvert |= V_028754_SX_RT_EXPORT_10_11_11 << (i * 4); 238 sx_blend_opt_epsilon |= V_028758_11BIT_FORMAT << (i * 4); 239 } 240 break; 241 242 case V_028C70_COLOR_2_10_10_10: 243 if (spi_format == V_028714_SPI_SHADER_FP16_ABGR) { 244 sx_ps_downconvert |= V_028754_SX_RT_EXPORT_2_10_10_10 << (i * 4); 245 sx_blend_opt_epsilon |= V_028758_10BIT_FORMAT << (i * 4); 246 } 247 break; 248 } 249 } 250 251 if (sctx->screen->b.debug_flags & DBG_NO_RB_PLUS) { 252 sx_ps_downconvert = 0; 253 sx_blend_opt_epsilon = 0; 254 sx_blend_opt_control = 0; 255 } 256 257 radeon_set_context_reg_seq(cs, R_028754_SX_PS_DOWNCONVERT, 3); 258 radeon_emit(cs, sx_ps_downconvert); /* R_028754_SX_PS_DOWNCONVERT */ 259 radeon_emit(cs, sx_blend_opt_epsilon); /* R_028758_SX_BLEND_OPT_EPSILON */ 260 radeon_emit(cs, sx_blend_opt_control); /* R_02875C_SX_BLEND_OPT_CONTROL */ 261 } 262} 263 264/* 265 * Blender functions 266 */ 267 268static uint32_t si_translate_blend_function(int blend_func) 269{ 270 switch (blend_func) { 271 case PIPE_BLEND_ADD: 272 return V_028780_COMB_DST_PLUS_SRC; 273 case PIPE_BLEND_SUBTRACT: 274 return V_028780_COMB_SRC_MINUS_DST; 275 case PIPE_BLEND_REVERSE_SUBTRACT: 276 return V_028780_COMB_DST_MINUS_SRC; 277 case PIPE_BLEND_MIN: 278 return V_028780_COMB_MIN_DST_SRC; 279 case PIPE_BLEND_MAX: 280 return V_028780_COMB_MAX_DST_SRC; 281 default: 282 R600_ERR("Unknown blend function %d\n", blend_func); 283 assert(0); 284 break; 285 } 286 return 0; 287} 288 289static uint32_t si_translate_blend_factor(int blend_fact) 290{ 291 switch (blend_fact) { 292 case PIPE_BLENDFACTOR_ONE: 293 return V_028780_BLEND_ONE; 294 case PIPE_BLENDFACTOR_SRC_COLOR: 295 return V_028780_BLEND_SRC_COLOR; 296 case PIPE_BLENDFACTOR_SRC_ALPHA: 297 return V_028780_BLEND_SRC_ALPHA; 298 case PIPE_BLENDFACTOR_DST_ALPHA: 299 return V_028780_BLEND_DST_ALPHA; 300 case PIPE_BLENDFACTOR_DST_COLOR: 301 return V_028780_BLEND_DST_COLOR; 302 case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE: 303 return V_028780_BLEND_SRC_ALPHA_SATURATE; 304 case PIPE_BLENDFACTOR_CONST_COLOR: 305 return V_028780_BLEND_CONSTANT_COLOR; 306 case PIPE_BLENDFACTOR_CONST_ALPHA: 307 return V_028780_BLEND_CONSTANT_ALPHA; 308 case PIPE_BLENDFACTOR_ZERO: 309 return V_028780_BLEND_ZERO; 310 case PIPE_BLENDFACTOR_INV_SRC_COLOR: 311 return V_028780_BLEND_ONE_MINUS_SRC_COLOR; 312 case PIPE_BLENDFACTOR_INV_SRC_ALPHA: 313 return V_028780_BLEND_ONE_MINUS_SRC_ALPHA; 314 case PIPE_BLENDFACTOR_INV_DST_ALPHA: 315 return V_028780_BLEND_ONE_MINUS_DST_ALPHA; 316 case PIPE_BLENDFACTOR_INV_DST_COLOR: 317 return V_028780_BLEND_ONE_MINUS_DST_COLOR; 318 case PIPE_BLENDFACTOR_INV_CONST_COLOR: 319 return V_028780_BLEND_ONE_MINUS_CONSTANT_COLOR; 320 case PIPE_BLENDFACTOR_INV_CONST_ALPHA: 321 return V_028780_BLEND_ONE_MINUS_CONSTANT_ALPHA; 322 case PIPE_BLENDFACTOR_SRC1_COLOR: 323 return V_028780_BLEND_SRC1_COLOR; 324 case PIPE_BLENDFACTOR_SRC1_ALPHA: 325 return V_028780_BLEND_SRC1_ALPHA; 326 case PIPE_BLENDFACTOR_INV_SRC1_COLOR: 327 return V_028780_BLEND_INV_SRC1_COLOR; 328 case PIPE_BLENDFACTOR_INV_SRC1_ALPHA: 329 return V_028780_BLEND_INV_SRC1_ALPHA; 330 default: 331 R600_ERR("Bad blend factor %d not supported!\n", blend_fact); 332 assert(0); 333 break; 334 } 335 return 0; 336} 337 338static uint32_t si_translate_blend_opt_function(int blend_func) 339{ 340 switch (blend_func) { 341 case PIPE_BLEND_ADD: 342 return V_028760_OPT_COMB_ADD; 343 case PIPE_BLEND_SUBTRACT: 344 return V_028760_OPT_COMB_SUBTRACT; 345 case PIPE_BLEND_REVERSE_SUBTRACT: 346 return V_028760_OPT_COMB_REVSUBTRACT; 347 case PIPE_BLEND_MIN: 348 return V_028760_OPT_COMB_MIN; 349 case PIPE_BLEND_MAX: 350 return V_028760_OPT_COMB_MAX; 351 default: 352 return V_028760_OPT_COMB_BLEND_DISABLED; 353 } 354} 355 356static uint32_t si_translate_blend_opt_factor(int blend_fact, bool is_alpha) 357{ 358 switch (blend_fact) { 359 case PIPE_BLENDFACTOR_ZERO: 360 return V_028760_BLEND_OPT_PRESERVE_NONE_IGNORE_ALL; 361 case PIPE_BLENDFACTOR_ONE: 362 return V_028760_BLEND_OPT_PRESERVE_ALL_IGNORE_NONE; 363 case PIPE_BLENDFACTOR_SRC_COLOR: 364 return is_alpha ? V_028760_BLEND_OPT_PRESERVE_A1_IGNORE_A0 365 : V_028760_BLEND_OPT_PRESERVE_C1_IGNORE_C0; 366 case PIPE_BLENDFACTOR_INV_SRC_COLOR: 367 return is_alpha ? V_028760_BLEND_OPT_PRESERVE_A0_IGNORE_A1 368 : V_028760_BLEND_OPT_PRESERVE_C0_IGNORE_C1; 369 case PIPE_BLENDFACTOR_SRC_ALPHA: 370 return V_028760_BLEND_OPT_PRESERVE_A1_IGNORE_A0; 371 case PIPE_BLENDFACTOR_INV_SRC_ALPHA: 372 return V_028760_BLEND_OPT_PRESERVE_A0_IGNORE_A1; 373 case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE: 374 return is_alpha ? V_028760_BLEND_OPT_PRESERVE_ALL_IGNORE_NONE 375 : V_028760_BLEND_OPT_PRESERVE_NONE_IGNORE_A0; 376 default: 377 return V_028760_BLEND_OPT_PRESERVE_NONE_IGNORE_NONE; 378 } 379} 380 381/** 382 * Get rid of DST in the blend factors by commuting the operands: 383 * func(src * DST, dst * 0) ---> func(src * 0, dst * SRC) 384 */ 385static void si_blend_remove_dst(unsigned *func, unsigned *src_factor, 386 unsigned *dst_factor, unsigned expected_dst, 387 unsigned replacement_src) 388{ 389 if (*src_factor == expected_dst && 390 *dst_factor == PIPE_BLENDFACTOR_ZERO) { 391 *src_factor = PIPE_BLENDFACTOR_ZERO; 392 *dst_factor = replacement_src; 393 394 /* Commuting the operands requires reversing subtractions. */ 395 if (*func == PIPE_BLEND_SUBTRACT) 396 *func = PIPE_BLEND_REVERSE_SUBTRACT; 397 else if (*func == PIPE_BLEND_REVERSE_SUBTRACT) 398 *func = PIPE_BLEND_SUBTRACT; 399 } 400} 401 402static bool si_blend_factor_uses_dst(unsigned factor) 403{ 404 return factor == PIPE_BLENDFACTOR_DST_COLOR || 405 factor == PIPE_BLENDFACTOR_DST_ALPHA || 406 factor == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE || 407 factor == PIPE_BLENDFACTOR_INV_DST_ALPHA || 408 factor == PIPE_BLENDFACTOR_INV_DST_COLOR; 409} 410 411static void *si_create_blend_state_mode(struct pipe_context *ctx, 412 const struct pipe_blend_state *state, 413 unsigned mode) 414{ 415 struct si_context *sctx = (struct si_context*)ctx; 416 struct si_state_blend *blend = CALLOC_STRUCT(si_state_blend); 417 struct si_pm4_state *pm4 = &blend->pm4; 418 uint32_t sx_mrt_blend_opt[8] = {0}; 419 uint32_t color_control = 0; 420 421 if (!blend) 422 return NULL; 423 424 blend->alpha_to_coverage = state->alpha_to_coverage; 425 blend->alpha_to_one = state->alpha_to_one; 426 blend->dual_src_blend = util_blend_state_is_dual(state, 0); 427 428 if (state->logicop_enable) { 429 color_control |= S_028808_ROP3(state->logicop_func | (state->logicop_func << 4)); 430 } else { 431 color_control |= S_028808_ROP3(0xcc); 432 } 433 434 si_pm4_set_reg(pm4, R_028B70_DB_ALPHA_TO_MASK, 435 S_028B70_ALPHA_TO_MASK_ENABLE(state->alpha_to_coverage) | 436 S_028B70_ALPHA_TO_MASK_OFFSET0(2) | 437 S_028B70_ALPHA_TO_MASK_OFFSET1(2) | 438 S_028B70_ALPHA_TO_MASK_OFFSET2(2) | 439 S_028B70_ALPHA_TO_MASK_OFFSET3(2)); 440 441 if (state->alpha_to_coverage) 442 blend->need_src_alpha_4bit |= 0xf; 443 444 blend->cb_target_mask = 0; 445 for (int i = 0; i < 8; i++) { 446 /* state->rt entries > 0 only written if independent blending */ 447 const int j = state->independent_blend_enable ? i : 0; 448 449 unsigned eqRGB = state->rt[j].rgb_func; 450 unsigned srcRGB = state->rt[j].rgb_src_factor; 451 unsigned dstRGB = state->rt[j].rgb_dst_factor; 452 unsigned eqA = state->rt[j].alpha_func; 453 unsigned srcA = state->rt[j].alpha_src_factor; 454 unsigned dstA = state->rt[j].alpha_dst_factor; 455 456 unsigned srcRGB_opt, dstRGB_opt, srcA_opt, dstA_opt; 457 unsigned blend_cntl = 0; 458 459 sx_mrt_blend_opt[i] = 460 S_028760_COLOR_COMB_FCN(V_028760_OPT_COMB_BLEND_DISABLED) | 461 S_028760_ALPHA_COMB_FCN(V_028760_OPT_COMB_BLEND_DISABLED); 462 463 if (!state->rt[j].colormask) 464 continue; 465 466 /* cb_render_state will disable unused ones */ 467 blend->cb_target_mask |= (unsigned)state->rt[j].colormask << (4 * i); 468 469 if (!state->rt[j].blend_enable) { 470 si_pm4_set_reg(pm4, R_028780_CB_BLEND0_CONTROL + i * 4, blend_cntl); 471 continue; 472 } 473 474 /* Blending optimizations for Stoney. 475 * These transformations don't change the behavior. 476 * 477 * First, get rid of DST in the blend factors: 478 * func(src * DST, dst * 0) ---> func(src * 0, dst * SRC) 479 */ 480 si_blend_remove_dst(&eqRGB, &srcRGB, &dstRGB, 481 PIPE_BLENDFACTOR_DST_COLOR, 482 PIPE_BLENDFACTOR_SRC_COLOR); 483 si_blend_remove_dst(&eqA, &srcA, &dstA, 484 PIPE_BLENDFACTOR_DST_COLOR, 485 PIPE_BLENDFACTOR_SRC_COLOR); 486 si_blend_remove_dst(&eqA, &srcA, &dstA, 487 PIPE_BLENDFACTOR_DST_ALPHA, 488 PIPE_BLENDFACTOR_SRC_ALPHA); 489 490 /* Look up the ideal settings from tables. */ 491 srcRGB_opt = si_translate_blend_opt_factor(srcRGB, false); 492 dstRGB_opt = si_translate_blend_opt_factor(dstRGB, false); 493 srcA_opt = si_translate_blend_opt_factor(srcA, true); 494 dstA_opt = si_translate_blend_opt_factor(dstA, true); 495 496 /* Handle interdependencies. */ 497 if (si_blend_factor_uses_dst(srcRGB)) 498 dstRGB_opt = V_028760_BLEND_OPT_PRESERVE_NONE_IGNORE_NONE; 499 if (si_blend_factor_uses_dst(srcA)) 500 dstA_opt = V_028760_BLEND_OPT_PRESERVE_NONE_IGNORE_NONE; 501 502 if (srcRGB == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE && 503 (dstRGB == PIPE_BLENDFACTOR_ZERO || 504 dstRGB == PIPE_BLENDFACTOR_SRC_ALPHA || 505 dstRGB == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE)) 506 dstRGB_opt = V_028760_BLEND_OPT_PRESERVE_NONE_IGNORE_A0; 507 508 /* Set the final value. */ 509 sx_mrt_blend_opt[i] = 510 S_028760_COLOR_SRC_OPT(srcRGB_opt) | 511 S_028760_COLOR_DST_OPT(dstRGB_opt) | 512 S_028760_COLOR_COMB_FCN(si_translate_blend_opt_function(eqRGB)) | 513 S_028760_ALPHA_SRC_OPT(srcA_opt) | 514 S_028760_ALPHA_DST_OPT(dstA_opt) | 515 S_028760_ALPHA_COMB_FCN(si_translate_blend_opt_function(eqA)); 516 517 /* Set blend state. */ 518 blend_cntl |= S_028780_ENABLE(1); 519 blend_cntl |= S_028780_COLOR_COMB_FCN(si_translate_blend_function(eqRGB)); 520 blend_cntl |= S_028780_COLOR_SRCBLEND(si_translate_blend_factor(srcRGB)); 521 blend_cntl |= S_028780_COLOR_DESTBLEND(si_translate_blend_factor(dstRGB)); 522 523 if (srcA != srcRGB || dstA != dstRGB || eqA != eqRGB) { 524 blend_cntl |= S_028780_SEPARATE_ALPHA_BLEND(1); 525 blend_cntl |= S_028780_ALPHA_COMB_FCN(si_translate_blend_function(eqA)); 526 blend_cntl |= S_028780_ALPHA_SRCBLEND(si_translate_blend_factor(srcA)); 527 blend_cntl |= S_028780_ALPHA_DESTBLEND(si_translate_blend_factor(dstA)); 528 } 529 si_pm4_set_reg(pm4, R_028780_CB_BLEND0_CONTROL + i * 4, blend_cntl); 530 531 blend->blend_enable_4bit |= 0xfu << (i * 4); 532 533 /* This is only important for formats without alpha. */ 534 if (srcRGB == PIPE_BLENDFACTOR_SRC_ALPHA || 535 dstRGB == PIPE_BLENDFACTOR_SRC_ALPHA || 536 srcRGB == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE || 537 dstRGB == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE || 538 srcRGB == PIPE_BLENDFACTOR_INV_SRC_ALPHA || 539 dstRGB == PIPE_BLENDFACTOR_INV_SRC_ALPHA) 540 blend->need_src_alpha_4bit |= 0xfu << (i * 4); 541 } 542 543 if (blend->cb_target_mask) { 544 color_control |= S_028808_MODE(mode); 545 } else { 546 color_control |= S_028808_MODE(V_028808_CB_DISABLE); 547 } 548 549 if (sctx->b.family == CHIP_STONEY) { 550 for (int i = 0; i < 8; i++) 551 si_pm4_set_reg(pm4, R_028760_SX_MRT0_BLEND_OPT + i * 4, 552 sx_mrt_blend_opt[i]); 553 554 /* RB+ doesn't work with dual source blending, logic op, and RESOLVE. */ 555 if (blend->dual_src_blend || state->logicop_enable || 556 mode == V_028808_CB_RESOLVE) 557 color_control |= S_028808_DISABLE_DUAL_QUAD(1); 558 } 559 560 si_pm4_set_reg(pm4, R_028808_CB_COLOR_CONTROL, color_control); 561 return blend; 562} 563 564static void *si_create_blend_state(struct pipe_context *ctx, 565 const struct pipe_blend_state *state) 566{ 567 return si_create_blend_state_mode(ctx, state, V_028808_CB_NORMAL); 568} 569 570static void si_bind_blend_state(struct pipe_context *ctx, void *state) 571{ 572 struct si_context *sctx = (struct si_context *)ctx; 573 si_pm4_bind_state(sctx, blend, (struct si_state_blend *)state); 574 si_mark_atom_dirty(sctx, &sctx->cb_render_state); 575} 576 577static void si_delete_blend_state(struct pipe_context *ctx, void *state) 578{ 579 struct si_context *sctx = (struct si_context *)ctx; 580 si_pm4_delete_state(sctx, blend, (struct si_state_blend *)state); 581} 582 583static void si_set_blend_color(struct pipe_context *ctx, 584 const struct pipe_blend_color *state) 585{ 586 struct si_context *sctx = (struct si_context *)ctx; 587 588 if (memcmp(&sctx->blend_color.state, state, sizeof(*state)) == 0) 589 return; 590 591 sctx->blend_color.state = *state; 592 si_mark_atom_dirty(sctx, &sctx->blend_color.atom); 593} 594 595static void si_emit_blend_color(struct si_context *sctx, struct r600_atom *atom) 596{ 597 struct radeon_winsys_cs *cs = sctx->b.gfx.cs; 598 599 radeon_set_context_reg_seq(cs, R_028414_CB_BLEND_RED, 4); 600 radeon_emit_array(cs, (uint32_t*)sctx->blend_color.state.color, 4); 601} 602 603/* 604 * Clipping 605 */ 606 607static void si_set_clip_state(struct pipe_context *ctx, 608 const struct pipe_clip_state *state) 609{ 610 struct si_context *sctx = (struct si_context *)ctx; 611 struct pipe_constant_buffer cb; 612 613 if (memcmp(&sctx->clip_state.state, state, sizeof(*state)) == 0) 614 return; 615 616 sctx->clip_state.state = *state; 617 si_mark_atom_dirty(sctx, &sctx->clip_state.atom); 618 619 cb.buffer = NULL; 620 cb.user_buffer = state->ucp; 621 cb.buffer_offset = 0; 622 cb.buffer_size = 4*4*8; 623 si_set_rw_buffer(sctx, SI_VS_CONST_CLIP_PLANES, &cb); 624 pipe_resource_reference(&cb.buffer, NULL); 625} 626 627static void si_emit_clip_state(struct si_context *sctx, struct r600_atom *atom) 628{ 629 struct radeon_winsys_cs *cs = sctx->b.gfx.cs; 630 631 radeon_set_context_reg_seq(cs, R_0285BC_PA_CL_UCP_0_X, 6*4); 632 radeon_emit_array(cs, (uint32_t*)sctx->clip_state.state.ucp, 6*4); 633} 634 635#define SIX_BITS 0x3F 636 637static void si_emit_clip_regs(struct si_context *sctx, struct r600_atom *atom) 638{ 639 struct radeon_winsys_cs *cs = sctx->b.gfx.cs; 640 struct tgsi_shader_info *info = si_get_vs_info(sctx); 641 unsigned window_space = 642 info->properties[TGSI_PROPERTY_VS_WINDOW_SPACE_POSITION]; 643 unsigned clipdist_mask = 644 info->writes_clipvertex ? SIX_BITS : info->clipdist_writemask; 645 646 radeon_set_context_reg(cs, R_02881C_PA_CL_VS_OUT_CNTL, 647 S_02881C_USE_VTX_POINT_SIZE(info->writes_psize) | 648 S_02881C_USE_VTX_EDGE_FLAG(info->writes_edgeflag) | 649 S_02881C_USE_VTX_RENDER_TARGET_INDX(info->writes_layer) | 650 S_02881C_USE_VTX_VIEWPORT_INDX(info->writes_viewport_index) | 651 S_02881C_VS_OUT_CCDIST0_VEC_ENA((clipdist_mask & 0x0F) != 0) | 652 S_02881C_VS_OUT_CCDIST1_VEC_ENA((clipdist_mask & 0xF0) != 0) | 653 S_02881C_VS_OUT_MISC_VEC_ENA(info->writes_psize || 654 info->writes_edgeflag || 655 info->writes_layer || 656 info->writes_viewport_index) | 657 S_02881C_VS_OUT_MISC_SIDE_BUS_ENA(1) | 658 (sctx->queued.named.rasterizer->clip_plane_enable & 659 clipdist_mask)); 660 radeon_set_context_reg(cs, R_028810_PA_CL_CLIP_CNTL, 661 sctx->queued.named.rasterizer->pa_cl_clip_cntl | 662 (clipdist_mask ? 0 : 663 sctx->queued.named.rasterizer->clip_plane_enable & SIX_BITS) | 664 S_028810_CLIP_DISABLE(window_space)); 665 666 /* reuse needs to be set off if we write oViewport */ 667 radeon_set_context_reg(cs, R_028AB4_VGT_REUSE_OFF, 668 S_028AB4_REUSE_OFF(info->writes_viewport_index)); 669} 670 671/* 672 * inferred state between framebuffer and rasterizer 673 */ 674static void si_update_poly_offset_state(struct si_context *sctx) 675{ 676 struct si_state_rasterizer *rs = sctx->queued.named.rasterizer; 677 678 if (!rs || !rs->uses_poly_offset || !sctx->framebuffer.state.zsbuf) 679 return; 680 681 switch (sctx->framebuffer.state.zsbuf->texture->format) { 682 case PIPE_FORMAT_Z16_UNORM: 683 si_pm4_bind_state(sctx, poly_offset, &rs->pm4_poly_offset[0]); 684 break; 685 default: /* 24-bit */ 686 si_pm4_bind_state(sctx, poly_offset, &rs->pm4_poly_offset[1]); 687 break; 688 case PIPE_FORMAT_Z32_FLOAT: 689 case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT: 690 si_pm4_bind_state(sctx, poly_offset, &rs->pm4_poly_offset[2]); 691 break; 692 } 693} 694 695/* 696 * Rasterizer 697 */ 698 699static uint32_t si_translate_fill(uint32_t func) 700{ 701 switch(func) { 702 case PIPE_POLYGON_MODE_FILL: 703 return V_028814_X_DRAW_TRIANGLES; 704 case PIPE_POLYGON_MODE_LINE: 705 return V_028814_X_DRAW_LINES; 706 case PIPE_POLYGON_MODE_POINT: 707 return V_028814_X_DRAW_POINTS; 708 default: 709 assert(0); 710 return V_028814_X_DRAW_POINTS; 711 } 712} 713 714static void *si_create_rs_state(struct pipe_context *ctx, 715 const struct pipe_rasterizer_state *state) 716{ 717 struct si_state_rasterizer *rs = CALLOC_STRUCT(si_state_rasterizer); 718 struct si_pm4_state *pm4 = &rs->pm4; 719 unsigned tmp, i; 720 float psize_min, psize_max; 721 722 if (!rs) { 723 return NULL; 724 } 725 726 rs->scissor_enable = state->scissor; 727 rs->two_side = state->light_twoside; 728 rs->multisample_enable = state->multisample; 729 rs->force_persample_interp = state->force_persample_interp; 730 rs->clip_plane_enable = state->clip_plane_enable; 731 rs->line_stipple_enable = state->line_stipple_enable; 732 rs->poly_stipple_enable = state->poly_stipple_enable; 733 rs->line_smooth = state->line_smooth; 734 rs->poly_smooth = state->poly_smooth; 735 rs->uses_poly_offset = state->offset_point || state->offset_line || 736 state->offset_tri; 737 rs->clamp_fragment_color = state->clamp_fragment_color; 738 rs->flatshade = state->flatshade; 739 rs->sprite_coord_enable = state->sprite_coord_enable; 740 rs->rasterizer_discard = state->rasterizer_discard; 741 rs->pa_sc_line_stipple = state->line_stipple_enable ? 742 S_028A0C_LINE_PATTERN(state->line_stipple_pattern) | 743 S_028A0C_REPEAT_COUNT(state->line_stipple_factor) : 0; 744 rs->pa_cl_clip_cntl = 745 S_028810_DX_CLIP_SPACE_DEF(state->clip_halfz) | 746 S_028810_ZCLIP_NEAR_DISABLE(!state->depth_clip) | 747 S_028810_ZCLIP_FAR_DISABLE(!state->depth_clip) | 748 S_028810_DX_RASTERIZATION_KILL(state->rasterizer_discard) | 749 S_028810_DX_LINEAR_ATTR_CLIP_ENA(1); 750 751 si_pm4_set_reg(pm4, R_0286D4_SPI_INTERP_CONTROL_0, 752 S_0286D4_FLAT_SHADE_ENA(1) | 753 S_0286D4_PNT_SPRITE_ENA(1) | 754 S_0286D4_PNT_SPRITE_OVRD_X(V_0286D4_SPI_PNT_SPRITE_SEL_S) | 755 S_0286D4_PNT_SPRITE_OVRD_Y(V_0286D4_SPI_PNT_SPRITE_SEL_T) | 756 S_0286D4_PNT_SPRITE_OVRD_Z(V_0286D4_SPI_PNT_SPRITE_SEL_0) | 757 S_0286D4_PNT_SPRITE_OVRD_W(V_0286D4_SPI_PNT_SPRITE_SEL_1) | 758 S_0286D4_PNT_SPRITE_TOP_1(state->sprite_coord_mode != PIPE_SPRITE_COORD_UPPER_LEFT)); 759 760 /* point size 12.4 fixed point */ 761 tmp = (unsigned)(state->point_size * 8.0); 762 si_pm4_set_reg(pm4, R_028A00_PA_SU_POINT_SIZE, S_028A00_HEIGHT(tmp) | S_028A00_WIDTH(tmp)); 763 764 if (state->point_size_per_vertex) { 765 psize_min = util_get_min_point_size(state); 766 psize_max = 8192; 767 } else { 768 /* Force the point size to be as if the vertex output was disabled. */ 769 psize_min = state->point_size; 770 psize_max = state->point_size; 771 } 772 /* Divide by two, because 0.5 = 1 pixel. */ 773 si_pm4_set_reg(pm4, R_028A04_PA_SU_POINT_MINMAX, 774 S_028A04_MIN_SIZE(si_pack_float_12p4(psize_min/2)) | 775 S_028A04_MAX_SIZE(si_pack_float_12p4(psize_max/2))); 776 777 tmp = (unsigned)state->line_width * 8; 778 si_pm4_set_reg(pm4, R_028A08_PA_SU_LINE_CNTL, S_028A08_WIDTH(tmp)); 779 si_pm4_set_reg(pm4, R_028A48_PA_SC_MODE_CNTL_0, 780 S_028A48_LINE_STIPPLE_ENABLE(state->line_stipple_enable) | 781 S_028A48_MSAA_ENABLE(state->multisample || 782 state->poly_smooth || 783 state->line_smooth) | 784 S_028A48_VPORT_SCISSOR_ENABLE(1)); 785 786 si_pm4_set_reg(pm4, R_028BE4_PA_SU_VTX_CNTL, 787 S_028BE4_PIX_CENTER(state->half_pixel_center) | 788 S_028BE4_QUANT_MODE(V_028BE4_X_16_8_FIXED_POINT_1_256TH)); 789 790 si_pm4_set_reg(pm4, R_028B7C_PA_SU_POLY_OFFSET_CLAMP, fui(state->offset_clamp)); 791 si_pm4_set_reg(pm4, R_028814_PA_SU_SC_MODE_CNTL, 792 S_028814_PROVOKING_VTX_LAST(!state->flatshade_first) | 793 S_028814_CULL_FRONT((state->cull_face & PIPE_FACE_FRONT) ? 1 : 0) | 794 S_028814_CULL_BACK((state->cull_face & PIPE_FACE_BACK) ? 1 : 0) | 795 S_028814_FACE(!state->front_ccw) | 796 S_028814_POLY_OFFSET_FRONT_ENABLE(util_get_offset(state, state->fill_front)) | 797 S_028814_POLY_OFFSET_BACK_ENABLE(util_get_offset(state, state->fill_back)) | 798 S_028814_POLY_OFFSET_PARA_ENABLE(state->offset_point || state->offset_line) | 799 S_028814_POLY_MODE(state->fill_front != PIPE_POLYGON_MODE_FILL || 800 state->fill_back != PIPE_POLYGON_MODE_FILL) | 801 S_028814_POLYMODE_FRONT_PTYPE(si_translate_fill(state->fill_front)) | 802 S_028814_POLYMODE_BACK_PTYPE(si_translate_fill(state->fill_back))); 803 si_pm4_set_reg(pm4, R_00B130_SPI_SHADER_USER_DATA_VS_0 + 804 SI_SGPR_VS_STATE_BITS * 4, state->clamp_vertex_color); 805 806 /* Precalculate polygon offset states for 16-bit, 24-bit, and 32-bit zbuffers. */ 807 for (i = 0; i < 3; i++) { 808 struct si_pm4_state *pm4 = &rs->pm4_poly_offset[i]; 809 float offset_units = state->offset_units; 810 float offset_scale = state->offset_scale * 16.0f; 811 uint32_t pa_su_poly_offset_db_fmt_cntl = 0; 812 813 if (!state->offset_units_unscaled) { 814 switch (i) { 815 case 0: /* 16-bit zbuffer */ 816 offset_units *= 4.0f; 817 pa_su_poly_offset_db_fmt_cntl = 818 S_028B78_POLY_OFFSET_NEG_NUM_DB_BITS(-16); 819 break; 820 case 1: /* 24-bit zbuffer */ 821 offset_units *= 2.0f; 822 pa_su_poly_offset_db_fmt_cntl = 823 S_028B78_POLY_OFFSET_NEG_NUM_DB_BITS(-24); 824 break; 825 case 2: /* 32-bit zbuffer */ 826 offset_units *= 1.0f; 827 pa_su_poly_offset_db_fmt_cntl = S_028B78_POLY_OFFSET_NEG_NUM_DB_BITS(-23) | 828 S_028B78_POLY_OFFSET_DB_IS_FLOAT_FMT(1); 829 break; 830 } 831 } 832 833 si_pm4_set_reg(pm4, R_028B80_PA_SU_POLY_OFFSET_FRONT_SCALE, 834 fui(offset_scale)); 835 si_pm4_set_reg(pm4, R_028B84_PA_SU_POLY_OFFSET_FRONT_OFFSET, 836 fui(offset_units)); 837 si_pm4_set_reg(pm4, R_028B88_PA_SU_POLY_OFFSET_BACK_SCALE, 838 fui(offset_scale)); 839 si_pm4_set_reg(pm4, R_028B8C_PA_SU_POLY_OFFSET_BACK_OFFSET, 840 fui(offset_units)); 841 si_pm4_set_reg(pm4, R_028B78_PA_SU_POLY_OFFSET_DB_FMT_CNTL, 842 pa_su_poly_offset_db_fmt_cntl); 843 } 844 845 return rs; 846} 847 848static void si_bind_rs_state(struct pipe_context *ctx, void *state) 849{ 850 struct si_context *sctx = (struct si_context *)ctx; 851 struct si_state_rasterizer *old_rs = 852 (struct si_state_rasterizer*)sctx->queued.named.rasterizer; 853 struct si_state_rasterizer *rs = (struct si_state_rasterizer *)state; 854 855 if (!state) 856 return; 857 858 if (sctx->framebuffer.nr_samples > 1 && 859 (!old_rs || old_rs->multisample_enable != rs->multisample_enable)) 860 si_mark_atom_dirty(sctx, &sctx->db_render_state); 861 862 r600_set_scissor_enable(&sctx->b, rs->scissor_enable); 863 864 si_pm4_bind_state(sctx, rasterizer, rs); 865 si_update_poly_offset_state(sctx); 866 867 si_mark_atom_dirty(sctx, &sctx->clip_regs); 868} 869 870static void si_delete_rs_state(struct pipe_context *ctx, void *state) 871{ 872 struct si_context *sctx = (struct si_context *)ctx; 873 874 if (sctx->queued.named.rasterizer == state) 875 si_pm4_bind_state(sctx, poly_offset, NULL); 876 si_pm4_delete_state(sctx, rasterizer, (struct si_state_rasterizer *)state); 877} 878 879/* 880 * infeered state between dsa and stencil ref 881 */ 882static void si_emit_stencil_ref(struct si_context *sctx, struct r600_atom *atom) 883{ 884 struct radeon_winsys_cs *cs = sctx->b.gfx.cs; 885 struct pipe_stencil_ref *ref = &sctx->stencil_ref.state; 886 struct si_dsa_stencil_ref_part *dsa = &sctx->stencil_ref.dsa_part; 887 888 radeon_set_context_reg_seq(cs, R_028430_DB_STENCILREFMASK, 2); 889 radeon_emit(cs, S_028430_STENCILTESTVAL(ref->ref_value[0]) | 890 S_028430_STENCILMASK(dsa->valuemask[0]) | 891 S_028430_STENCILWRITEMASK(dsa->writemask[0]) | 892 S_028430_STENCILOPVAL(1)); 893 radeon_emit(cs, S_028434_STENCILTESTVAL_BF(ref->ref_value[1]) | 894 S_028434_STENCILMASK_BF(dsa->valuemask[1]) | 895 S_028434_STENCILWRITEMASK_BF(dsa->writemask[1]) | 896 S_028434_STENCILOPVAL_BF(1)); 897} 898 899static void si_set_stencil_ref(struct pipe_context *ctx, 900 const struct pipe_stencil_ref *state) 901{ 902 struct si_context *sctx = (struct si_context *)ctx; 903 904 if (memcmp(&sctx->stencil_ref.state, state, sizeof(*state)) == 0) 905 return; 906 907 sctx->stencil_ref.state = *state; 908 si_mark_atom_dirty(sctx, &sctx->stencil_ref.atom); 909} 910 911 912/* 913 * DSA 914 */ 915 916static uint32_t si_translate_stencil_op(int s_op) 917{ 918 switch (s_op) { 919 case PIPE_STENCIL_OP_KEEP: 920 return V_02842C_STENCIL_KEEP; 921 case PIPE_STENCIL_OP_ZERO: 922 return V_02842C_STENCIL_ZERO; 923 case PIPE_STENCIL_OP_REPLACE: 924 return V_02842C_STENCIL_REPLACE_TEST; 925 case PIPE_STENCIL_OP_INCR: 926 return V_02842C_STENCIL_ADD_CLAMP; 927 case PIPE_STENCIL_OP_DECR: 928 return V_02842C_STENCIL_SUB_CLAMP; 929 case PIPE_STENCIL_OP_INCR_WRAP: 930 return V_02842C_STENCIL_ADD_WRAP; 931 case PIPE_STENCIL_OP_DECR_WRAP: 932 return V_02842C_STENCIL_SUB_WRAP; 933 case PIPE_STENCIL_OP_INVERT: 934 return V_02842C_STENCIL_INVERT; 935 default: 936 R600_ERR("Unknown stencil op %d", s_op); 937 assert(0); 938 break; 939 } 940 return 0; 941} 942 943static void *si_create_dsa_state(struct pipe_context *ctx, 944 const struct pipe_depth_stencil_alpha_state *state) 945{ 946 struct si_state_dsa *dsa = CALLOC_STRUCT(si_state_dsa); 947 struct si_pm4_state *pm4 = &dsa->pm4; 948 unsigned db_depth_control; 949 uint32_t db_stencil_control = 0; 950 951 if (!dsa) { 952 return NULL; 953 } 954 955 dsa->stencil_ref.valuemask[0] = state->stencil[0].valuemask; 956 dsa->stencil_ref.valuemask[1] = state->stencil[1].valuemask; 957 dsa->stencil_ref.writemask[0] = state->stencil[0].writemask; 958 dsa->stencil_ref.writemask[1] = state->stencil[1].writemask; 959 960 db_depth_control = S_028800_Z_ENABLE(state->depth.enabled) | 961 S_028800_Z_WRITE_ENABLE(state->depth.writemask) | 962 S_028800_ZFUNC(state->depth.func) | 963 S_028800_DEPTH_BOUNDS_ENABLE(state->depth.bounds_test); 964 965 /* stencil */ 966 if (state->stencil[0].enabled) { 967 db_depth_control |= S_028800_STENCIL_ENABLE(1); 968 db_depth_control |= S_028800_STENCILFUNC(state->stencil[0].func); 969 db_stencil_control |= S_02842C_STENCILFAIL(si_translate_stencil_op(state->stencil[0].fail_op)); 970 db_stencil_control |= S_02842C_STENCILZPASS(si_translate_stencil_op(state->stencil[0].zpass_op)); 971 db_stencil_control |= S_02842C_STENCILZFAIL(si_translate_stencil_op(state->stencil[0].zfail_op)); 972 973 if (state->stencil[1].enabled) { 974 db_depth_control |= S_028800_BACKFACE_ENABLE(1); 975 db_depth_control |= S_028800_STENCILFUNC_BF(state->stencil[1].func); 976 db_stencil_control |= S_02842C_STENCILFAIL_BF(si_translate_stencil_op(state->stencil[1].fail_op)); 977 db_stencil_control |= S_02842C_STENCILZPASS_BF(si_translate_stencil_op(state->stencil[1].zpass_op)); 978 db_stencil_control |= S_02842C_STENCILZFAIL_BF(si_translate_stencil_op(state->stencil[1].zfail_op)); 979 } 980 } 981 982 /* alpha */ 983 if (state->alpha.enabled) { 984 dsa->alpha_func = state->alpha.func; 985 986 si_pm4_set_reg(pm4, R_00B030_SPI_SHADER_USER_DATA_PS_0 + 987 SI_SGPR_ALPHA_REF * 4, fui(state->alpha.ref_value)); 988 } else { 989 dsa->alpha_func = PIPE_FUNC_ALWAYS; 990 } 991 992 si_pm4_set_reg(pm4, R_028800_DB_DEPTH_CONTROL, db_depth_control); 993 si_pm4_set_reg(pm4, R_02842C_DB_STENCIL_CONTROL, db_stencil_control); 994 if (state->depth.bounds_test) { 995 si_pm4_set_reg(pm4, R_028020_DB_DEPTH_BOUNDS_MIN, fui(state->depth.bounds_min)); 996 si_pm4_set_reg(pm4, R_028024_DB_DEPTH_BOUNDS_MAX, fui(state->depth.bounds_max)); 997 } 998 999 return dsa; 1000} 1001 1002static void si_bind_dsa_state(struct pipe_context *ctx, void *state) 1003{ 1004 struct si_context *sctx = (struct si_context *)ctx; 1005 struct si_state_dsa *dsa = state; 1006 1007 if (!state) 1008 return; 1009 1010 si_pm4_bind_state(sctx, dsa, dsa); 1011 1012 if (memcmp(&dsa->stencil_ref, &sctx->stencil_ref.dsa_part, 1013 sizeof(struct si_dsa_stencil_ref_part)) != 0) { 1014 sctx->stencil_ref.dsa_part = dsa->stencil_ref; 1015 si_mark_atom_dirty(sctx, &sctx->stencil_ref.atom); 1016 } 1017} 1018 1019static void si_delete_dsa_state(struct pipe_context *ctx, void *state) 1020{ 1021 struct si_context *sctx = (struct si_context *)ctx; 1022 si_pm4_delete_state(sctx, dsa, (struct si_state_dsa *)state); 1023} 1024 1025static void *si_create_db_flush_dsa(struct si_context *sctx) 1026{ 1027 struct pipe_depth_stencil_alpha_state dsa = {}; 1028 1029 return sctx->b.b.create_depth_stencil_alpha_state(&sctx->b.b, &dsa); 1030} 1031 1032/* DB RENDER STATE */ 1033 1034static void si_set_active_query_state(struct pipe_context *ctx, boolean enable) 1035{ 1036 struct si_context *sctx = (struct si_context*)ctx; 1037 1038 /* Pipeline stat & streamout queries. */ 1039 if (enable) { 1040 sctx->b.flags &= ~R600_CONTEXT_STOP_PIPELINE_STATS; 1041 sctx->b.flags |= R600_CONTEXT_START_PIPELINE_STATS; 1042 } else { 1043 sctx->b.flags &= ~R600_CONTEXT_START_PIPELINE_STATS; 1044 sctx->b.flags |= R600_CONTEXT_STOP_PIPELINE_STATS; 1045 } 1046 1047 /* Occlusion queries. */ 1048 if (sctx->occlusion_queries_disabled != !enable) { 1049 sctx->occlusion_queries_disabled = !enable; 1050 si_mark_atom_dirty(sctx, &sctx->db_render_state); 1051 } 1052} 1053 1054static void si_set_occlusion_query_state(struct pipe_context *ctx, bool enable) 1055{ 1056 struct si_context *sctx = (struct si_context*)ctx; 1057 1058 si_mark_atom_dirty(sctx, &sctx->db_render_state); 1059} 1060 1061static void si_emit_db_render_state(struct si_context *sctx, struct r600_atom *state) 1062{ 1063 struct radeon_winsys_cs *cs = sctx->b.gfx.cs; 1064 struct si_state_rasterizer *rs = sctx->queued.named.rasterizer; 1065 unsigned db_shader_control; 1066 1067 radeon_set_context_reg_seq(cs, R_028000_DB_RENDER_CONTROL, 2); 1068 1069 /* DB_RENDER_CONTROL */ 1070 if (sctx->dbcb_depth_copy_enabled || 1071 sctx->dbcb_stencil_copy_enabled) { 1072 radeon_emit(cs, 1073 S_028000_DEPTH_COPY(sctx->dbcb_depth_copy_enabled) | 1074 S_028000_STENCIL_COPY(sctx->dbcb_stencil_copy_enabled) | 1075 S_028000_COPY_CENTROID(1) | 1076 S_028000_COPY_SAMPLE(sctx->dbcb_copy_sample)); 1077 } else if (sctx->db_flush_depth_inplace || sctx->db_flush_stencil_inplace) { 1078 radeon_emit(cs, 1079 S_028000_DEPTH_COMPRESS_DISABLE(sctx->db_flush_depth_inplace) | 1080 S_028000_STENCIL_COMPRESS_DISABLE(sctx->db_flush_stencil_inplace)); 1081 } else { 1082 radeon_emit(cs, 1083 S_028000_DEPTH_CLEAR_ENABLE(sctx->db_depth_clear) | 1084 S_028000_STENCIL_CLEAR_ENABLE(sctx->db_stencil_clear)); 1085 } 1086 1087 /* DB_COUNT_CONTROL (occlusion queries) */ 1088 if (sctx->b.num_occlusion_queries > 0 && 1089 !sctx->occlusion_queries_disabled) { 1090 bool perfect = sctx->b.num_perfect_occlusion_queries > 0; 1091 1092 if (sctx->b.chip_class >= CIK) { 1093 radeon_emit(cs, 1094 S_028004_PERFECT_ZPASS_COUNTS(perfect) | 1095 S_028004_SAMPLE_RATE(sctx->framebuffer.log_samples) | 1096 S_028004_ZPASS_ENABLE(1) | 1097 S_028004_SLICE_EVEN_ENABLE(1) | 1098 S_028004_SLICE_ODD_ENABLE(1)); 1099 } else { 1100 radeon_emit(cs, 1101 S_028004_PERFECT_ZPASS_COUNTS(perfect) | 1102 S_028004_SAMPLE_RATE(sctx->framebuffer.log_samples)); 1103 } 1104 } else { 1105 /* Disable occlusion queries. */ 1106 if (sctx->b.chip_class >= CIK) { 1107 radeon_emit(cs, 0); 1108 } else { 1109 radeon_emit(cs, S_028004_ZPASS_INCREMENT_DISABLE(1)); 1110 } 1111 } 1112 1113 /* DB_RENDER_OVERRIDE2 */ 1114 radeon_set_context_reg(cs, R_028010_DB_RENDER_OVERRIDE2, 1115 S_028010_DISABLE_ZMASK_EXPCLEAR_OPTIMIZATION(sctx->db_depth_disable_expclear) | 1116 S_028010_DISABLE_SMEM_EXPCLEAR_OPTIMIZATION(sctx->db_stencil_disable_expclear) | 1117 S_028010_DECOMPRESS_Z_ON_FLUSH(sctx->framebuffer.nr_samples >= 4)); 1118 1119 db_shader_control = S_02880C_ALPHA_TO_MASK_DISABLE(sctx->framebuffer.cb0_is_integer) | 1120 sctx->ps_db_shader_control; 1121 1122 /* Bug workaround for smoothing (overrasterization) on SI. */ 1123 if (sctx->b.chip_class == SI && sctx->smoothing_enabled) { 1124 db_shader_control &= C_02880C_Z_ORDER; 1125 db_shader_control |= S_02880C_Z_ORDER(V_02880C_LATE_Z); 1126 } 1127 1128 /* Disable the gl_SampleMask fragment shader output if MSAA is disabled. */ 1129 if (sctx->framebuffer.nr_samples <= 1 || (rs && !rs->multisample_enable)) 1130 db_shader_control &= C_02880C_MASK_EXPORT_ENABLE; 1131 1132 if (sctx->b.family == CHIP_STONEY && 1133 sctx->screen->b.debug_flags & DBG_NO_RB_PLUS) 1134 db_shader_control |= S_02880C_DUAL_QUAD_DISABLE(1); 1135 1136 radeon_set_context_reg(cs, R_02880C_DB_SHADER_CONTROL, 1137 db_shader_control); 1138} 1139 1140/* 1141 * format translation 1142 */ 1143static uint32_t si_translate_colorformat(enum pipe_format format) 1144{ 1145 const struct util_format_description *desc = util_format_description(format); 1146 1147#define HAS_SIZE(x,y,z,w) \ 1148 (desc->channel[0].size == (x) && desc->channel[1].size == (y) && \ 1149 desc->channel[2].size == (z) && desc->channel[3].size == (w)) 1150 1151 if (format == PIPE_FORMAT_R11G11B10_FLOAT) /* isn't plain */ 1152 return V_028C70_COLOR_10_11_11; 1153 1154 if (desc->layout != UTIL_FORMAT_LAYOUT_PLAIN) 1155 return V_028C70_COLOR_INVALID; 1156 1157 /* hw cannot support mixed formats (except depth/stencil, since 1158 * stencil is not written to). */ 1159 if (desc->is_mixed && desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS) 1160 return V_028C70_COLOR_INVALID; 1161 1162 switch (desc->nr_channels) { 1163 case 1: 1164 switch (desc->channel[0].size) { 1165 case 8: 1166 return V_028C70_COLOR_8; 1167 case 16: 1168 return V_028C70_COLOR_16; 1169 case 32: 1170 return V_028C70_COLOR_32; 1171 } 1172 break; 1173 case 2: 1174 if (desc->channel[0].size == desc->channel[1].size) { 1175 switch (desc->channel[0].size) { 1176 case 8: 1177 return V_028C70_COLOR_8_8; 1178 case 16: 1179 return V_028C70_COLOR_16_16; 1180 case 32: 1181 return V_028C70_COLOR_32_32; 1182 } 1183 } else if (HAS_SIZE(8,24,0,0)) { 1184 return V_028C70_COLOR_24_8; 1185 } else if (HAS_SIZE(24,8,0,0)) { 1186 return V_028C70_COLOR_8_24; 1187 } 1188 break; 1189 case 3: 1190 if (HAS_SIZE(5,6,5,0)) { 1191 return V_028C70_COLOR_5_6_5; 1192 } else if (HAS_SIZE(32,8,24,0)) { 1193 return V_028C70_COLOR_X24_8_32_FLOAT; 1194 } 1195 break; 1196 case 4: 1197 if (desc->channel[0].size == desc->channel[1].size && 1198 desc->channel[0].size == desc->channel[2].size && 1199 desc->channel[0].size == desc->channel[3].size) { 1200 switch (desc->channel[0].size) { 1201 case 4: 1202 return V_028C70_COLOR_4_4_4_4; 1203 case 8: 1204 return V_028C70_COLOR_8_8_8_8; 1205 case 16: 1206 return V_028C70_COLOR_16_16_16_16; 1207 case 32: 1208 return V_028C70_COLOR_32_32_32_32; 1209 } 1210 } else if (HAS_SIZE(5,5,5,1)) { 1211 return V_028C70_COLOR_1_5_5_5; 1212 } else if (HAS_SIZE(10,10,10,2)) { 1213 return V_028C70_COLOR_2_10_10_10; 1214 } 1215 break; 1216 } 1217 return V_028C70_COLOR_INVALID; 1218} 1219 1220static uint32_t si_colorformat_endian_swap(uint32_t colorformat) 1221{ 1222 if (SI_BIG_ENDIAN) { 1223 switch(colorformat) { 1224 /* 8-bit buffers. */ 1225 case V_028C70_COLOR_8: 1226 return V_028C70_ENDIAN_NONE; 1227 1228 /* 16-bit buffers. */ 1229 case V_028C70_COLOR_5_6_5: 1230 case V_028C70_COLOR_1_5_5_5: 1231 case V_028C70_COLOR_4_4_4_4: 1232 case V_028C70_COLOR_16: 1233 case V_028C70_COLOR_8_8: 1234 return V_028C70_ENDIAN_8IN16; 1235 1236 /* 32-bit buffers. */ 1237 case V_028C70_COLOR_8_8_8_8: 1238 case V_028C70_COLOR_2_10_10_10: 1239 case V_028C70_COLOR_8_24: 1240 case V_028C70_COLOR_24_8: 1241 case V_028C70_COLOR_16_16: 1242 return V_028C70_ENDIAN_8IN32; 1243 1244 /* 64-bit buffers. */ 1245 case V_028C70_COLOR_16_16_16_16: 1246 return V_028C70_ENDIAN_8IN16; 1247 1248 case V_028C70_COLOR_32_32: 1249 return V_028C70_ENDIAN_8IN32; 1250 1251 /* 128-bit buffers. */ 1252 case V_028C70_COLOR_32_32_32_32: 1253 return V_028C70_ENDIAN_8IN32; 1254 default: 1255 return V_028C70_ENDIAN_NONE; /* Unsupported. */ 1256 } 1257 } else { 1258 return V_028C70_ENDIAN_NONE; 1259 } 1260} 1261 1262static uint32_t si_translate_dbformat(enum pipe_format format) 1263{ 1264 switch (format) { 1265 case PIPE_FORMAT_Z16_UNORM: 1266 return V_028040_Z_16; 1267 case PIPE_FORMAT_S8_UINT_Z24_UNORM: 1268 case PIPE_FORMAT_X8Z24_UNORM: 1269 case PIPE_FORMAT_Z24X8_UNORM: 1270 case PIPE_FORMAT_Z24_UNORM_S8_UINT: 1271 return V_028040_Z_24; /* deprecated on SI */ 1272 case PIPE_FORMAT_Z32_FLOAT: 1273 case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT: 1274 return V_028040_Z_32_FLOAT; 1275 default: 1276 return V_028040_Z_INVALID; 1277 } 1278} 1279 1280/* 1281 * Texture translation 1282 */ 1283 1284static uint32_t si_translate_texformat(struct pipe_screen *screen, 1285 enum pipe_format format, 1286 const struct util_format_description *desc, 1287 int first_non_void) 1288{ 1289 struct si_screen *sscreen = (struct si_screen*)screen; 1290 bool enable_compressed_formats = (sscreen->b.info.drm_major == 2 && 1291 sscreen->b.info.drm_minor >= 31) || 1292 sscreen->b.info.drm_major == 3; 1293 bool uniform = true; 1294 int i; 1295 1296 /* Colorspace (return non-RGB formats directly). */ 1297 switch (desc->colorspace) { 1298 /* Depth stencil formats */ 1299 case UTIL_FORMAT_COLORSPACE_ZS: 1300 switch (format) { 1301 case PIPE_FORMAT_Z16_UNORM: 1302 return V_008F14_IMG_DATA_FORMAT_16; 1303 case PIPE_FORMAT_X24S8_UINT: 1304 case PIPE_FORMAT_Z24X8_UNORM: 1305 case PIPE_FORMAT_Z24_UNORM_S8_UINT: 1306 return V_008F14_IMG_DATA_FORMAT_8_24; 1307 case PIPE_FORMAT_X8Z24_UNORM: 1308 case PIPE_FORMAT_S8X24_UINT: 1309 case PIPE_FORMAT_S8_UINT_Z24_UNORM: 1310 return V_008F14_IMG_DATA_FORMAT_24_8; 1311 case PIPE_FORMAT_S8_UINT: 1312 return V_008F14_IMG_DATA_FORMAT_8; 1313 case PIPE_FORMAT_Z32_FLOAT: 1314 return V_008F14_IMG_DATA_FORMAT_32; 1315 case PIPE_FORMAT_X32_S8X24_UINT: 1316 case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT: 1317 return V_008F14_IMG_DATA_FORMAT_X24_8_32; 1318 default: 1319 goto out_unknown; 1320 } 1321 1322 case UTIL_FORMAT_COLORSPACE_YUV: 1323 goto out_unknown; /* TODO */ 1324 1325 case UTIL_FORMAT_COLORSPACE_SRGB: 1326 if (desc->nr_channels != 4 && desc->nr_channels != 1) 1327 goto out_unknown; 1328 break; 1329 1330 default: 1331 break; 1332 } 1333 1334 if (desc->layout == UTIL_FORMAT_LAYOUT_RGTC) { 1335 if (!enable_compressed_formats) 1336 goto out_unknown; 1337 1338 switch (format) { 1339 case PIPE_FORMAT_RGTC1_SNORM: 1340 case PIPE_FORMAT_LATC1_SNORM: 1341 case PIPE_FORMAT_RGTC1_UNORM: 1342 case PIPE_FORMAT_LATC1_UNORM: 1343 return V_008F14_IMG_DATA_FORMAT_BC4; 1344 case PIPE_FORMAT_RGTC2_SNORM: 1345 case PIPE_FORMAT_LATC2_SNORM: 1346 case PIPE_FORMAT_RGTC2_UNORM: 1347 case PIPE_FORMAT_LATC2_UNORM: 1348 return V_008F14_IMG_DATA_FORMAT_BC5; 1349 default: 1350 goto out_unknown; 1351 } 1352 } 1353 1354 if (desc->layout == UTIL_FORMAT_LAYOUT_ETC && 1355 sscreen->b.family == CHIP_STONEY) { 1356 switch (format) { 1357 case PIPE_FORMAT_ETC1_RGB8: 1358 case PIPE_FORMAT_ETC2_RGB8: 1359 case PIPE_FORMAT_ETC2_SRGB8: 1360 return V_008F14_IMG_DATA_FORMAT_ETC2_RGB; 1361 case PIPE_FORMAT_ETC2_RGB8A1: 1362 case PIPE_FORMAT_ETC2_SRGB8A1: 1363 return V_008F14_IMG_DATA_FORMAT_ETC2_RGBA1; 1364 case PIPE_FORMAT_ETC2_RGBA8: 1365 case PIPE_FORMAT_ETC2_SRGBA8: 1366 return V_008F14_IMG_DATA_FORMAT_ETC2_RGBA; 1367 case PIPE_FORMAT_ETC2_R11_UNORM: 1368 case PIPE_FORMAT_ETC2_R11_SNORM: 1369 return V_008F14_IMG_DATA_FORMAT_ETC2_R; 1370 case PIPE_FORMAT_ETC2_RG11_UNORM: 1371 case PIPE_FORMAT_ETC2_RG11_SNORM: 1372 return V_008F14_IMG_DATA_FORMAT_ETC2_RG; 1373 default: 1374 goto out_unknown; 1375 } 1376 } 1377 1378 if (desc->layout == UTIL_FORMAT_LAYOUT_BPTC) { 1379 if (!enable_compressed_formats) 1380 goto out_unknown; 1381 1382 switch (format) { 1383 case PIPE_FORMAT_BPTC_RGBA_UNORM: 1384 case PIPE_FORMAT_BPTC_SRGBA: 1385 return V_008F14_IMG_DATA_FORMAT_BC7; 1386 case PIPE_FORMAT_BPTC_RGB_FLOAT: 1387 case PIPE_FORMAT_BPTC_RGB_UFLOAT: 1388 return V_008F14_IMG_DATA_FORMAT_BC6; 1389 default: 1390 goto out_unknown; 1391 } 1392 } 1393 1394 if (desc->layout == UTIL_FORMAT_LAYOUT_SUBSAMPLED) { 1395 switch (format) { 1396 case PIPE_FORMAT_R8G8_B8G8_UNORM: 1397 case PIPE_FORMAT_G8R8_B8R8_UNORM: 1398 return V_008F14_IMG_DATA_FORMAT_GB_GR; 1399 case PIPE_FORMAT_G8R8_G8B8_UNORM: 1400 case PIPE_FORMAT_R8G8_R8B8_UNORM: 1401 return V_008F14_IMG_DATA_FORMAT_BG_RG; 1402 default: 1403 goto out_unknown; 1404 } 1405 } 1406 1407 if (desc->layout == UTIL_FORMAT_LAYOUT_S3TC) { 1408 if (!enable_compressed_formats) 1409 goto out_unknown; 1410 1411 if (!util_format_s3tc_enabled) { 1412 goto out_unknown; 1413 } 1414 1415 switch (format) { 1416 case PIPE_FORMAT_DXT1_RGB: 1417 case PIPE_FORMAT_DXT1_RGBA: 1418 case PIPE_FORMAT_DXT1_SRGB: 1419 case PIPE_FORMAT_DXT1_SRGBA: 1420 return V_008F14_IMG_DATA_FORMAT_BC1; 1421 case PIPE_FORMAT_DXT3_RGBA: 1422 case PIPE_FORMAT_DXT3_SRGBA: 1423 return V_008F14_IMG_DATA_FORMAT_BC2; 1424 case PIPE_FORMAT_DXT5_RGBA: 1425 case PIPE_FORMAT_DXT5_SRGBA: 1426 return V_008F14_IMG_DATA_FORMAT_BC3; 1427 default: 1428 goto out_unknown; 1429 } 1430 } 1431 1432 if (format == PIPE_FORMAT_R9G9B9E5_FLOAT) { 1433 return V_008F14_IMG_DATA_FORMAT_5_9_9_9; 1434 } else if (format == PIPE_FORMAT_R11G11B10_FLOAT) { 1435 return V_008F14_IMG_DATA_FORMAT_10_11_11; 1436 } 1437 1438 /* R8G8Bx_SNORM - TODO CxV8U8 */ 1439 1440 /* hw cannot support mixed formats (except depth/stencil, since only 1441 * depth is read).*/ 1442 if (desc->is_mixed && desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS) 1443 goto out_unknown; 1444 1445 /* See whether the components are of the same size. */ 1446 for (i = 1; i < desc->nr_channels; i++) { 1447 uniform = uniform && desc->channel[0].size == desc->channel[i].size; 1448 } 1449 1450 /* Non-uniform formats. */ 1451 if (!uniform) { 1452 switch(desc->nr_channels) { 1453 case 3: 1454 if (desc->channel[0].size == 5 && 1455 desc->channel[1].size == 6 && 1456 desc->channel[2].size == 5) { 1457 return V_008F14_IMG_DATA_FORMAT_5_6_5; 1458 } 1459 goto out_unknown; 1460 case 4: 1461 if (desc->channel[0].size == 5 && 1462 desc->channel[1].size == 5 && 1463 desc->channel[2].size == 5 && 1464 desc->channel[3].size == 1) { 1465 return V_008F14_IMG_DATA_FORMAT_1_5_5_5; 1466 } 1467 if (desc->channel[0].size == 10 && 1468 desc->channel[1].size == 10 && 1469 desc->channel[2].size == 10 && 1470 desc->channel[3].size == 2) { 1471 return V_008F14_IMG_DATA_FORMAT_2_10_10_10; 1472 } 1473 goto out_unknown; 1474 } 1475 goto out_unknown; 1476 } 1477 1478 if (first_non_void < 0 || first_non_void > 3) 1479 goto out_unknown; 1480 1481 /* uniform formats */ 1482 switch (desc->channel[first_non_void].size) { 1483 case 4: 1484 switch (desc->nr_channels) { 1485#if 0 /* Not supported for render targets */ 1486 case 2: 1487 return V_008F14_IMG_DATA_FORMAT_4_4; 1488#endif 1489 case 4: 1490 return V_008F14_IMG_DATA_FORMAT_4_4_4_4; 1491 } 1492 break; 1493 case 8: 1494 switch (desc->nr_channels) { 1495 case 1: 1496 return V_008F14_IMG_DATA_FORMAT_8; 1497 case 2: 1498 return V_008F14_IMG_DATA_FORMAT_8_8; 1499 case 4: 1500 return V_008F14_IMG_DATA_FORMAT_8_8_8_8; 1501 } 1502 break; 1503 case 16: 1504 switch (desc->nr_channels) { 1505 case 1: 1506 return V_008F14_IMG_DATA_FORMAT_16; 1507 case 2: 1508 return V_008F14_IMG_DATA_FORMAT_16_16; 1509 case 4: 1510 return V_008F14_IMG_DATA_FORMAT_16_16_16_16; 1511 } 1512 break; 1513 case 32: 1514 switch (desc->nr_channels) { 1515 case 1: 1516 return V_008F14_IMG_DATA_FORMAT_32; 1517 case 2: 1518 return V_008F14_IMG_DATA_FORMAT_32_32; 1519#if 0 /* Not supported for render targets */ 1520 case 3: 1521 return V_008F14_IMG_DATA_FORMAT_32_32_32; 1522#endif 1523 case 4: 1524 return V_008F14_IMG_DATA_FORMAT_32_32_32_32; 1525 } 1526 } 1527 1528out_unknown: 1529 /* R600_ERR("Unable to handle texformat %d %s\n", format, util_format_name(format)); */ 1530 return ~0; 1531} 1532 1533static unsigned si_tex_wrap(unsigned wrap) 1534{ 1535 switch (wrap) { 1536 default: 1537 case PIPE_TEX_WRAP_REPEAT: 1538 return V_008F30_SQ_TEX_WRAP; 1539 case PIPE_TEX_WRAP_CLAMP: 1540 return V_008F30_SQ_TEX_CLAMP_HALF_BORDER; 1541 case PIPE_TEX_WRAP_CLAMP_TO_EDGE: 1542 return V_008F30_SQ_TEX_CLAMP_LAST_TEXEL; 1543 case PIPE_TEX_WRAP_CLAMP_TO_BORDER: 1544 return V_008F30_SQ_TEX_CLAMP_BORDER; 1545 case PIPE_TEX_WRAP_MIRROR_REPEAT: 1546 return V_008F30_SQ_TEX_MIRROR; 1547 case PIPE_TEX_WRAP_MIRROR_CLAMP: 1548 return V_008F30_SQ_TEX_MIRROR_ONCE_HALF_BORDER; 1549 case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE: 1550 return V_008F30_SQ_TEX_MIRROR_ONCE_LAST_TEXEL; 1551 case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER: 1552 return V_008F30_SQ_TEX_MIRROR_ONCE_BORDER; 1553 } 1554} 1555 1556static unsigned si_tex_mipfilter(unsigned filter) 1557{ 1558 switch (filter) { 1559 case PIPE_TEX_MIPFILTER_NEAREST: 1560 return V_008F38_SQ_TEX_Z_FILTER_POINT; 1561 case PIPE_TEX_MIPFILTER_LINEAR: 1562 return V_008F38_SQ_TEX_Z_FILTER_LINEAR; 1563 default: 1564 case PIPE_TEX_MIPFILTER_NONE: 1565 return V_008F38_SQ_TEX_Z_FILTER_NONE; 1566 } 1567} 1568 1569static unsigned si_tex_compare(unsigned compare) 1570{ 1571 switch (compare) { 1572 default: 1573 case PIPE_FUNC_NEVER: 1574 return V_008F30_SQ_TEX_DEPTH_COMPARE_NEVER; 1575 case PIPE_FUNC_LESS: 1576 return V_008F30_SQ_TEX_DEPTH_COMPARE_LESS; 1577 case PIPE_FUNC_EQUAL: 1578 return V_008F30_SQ_TEX_DEPTH_COMPARE_EQUAL; 1579 case PIPE_FUNC_LEQUAL: 1580 return V_008F30_SQ_TEX_DEPTH_COMPARE_LESSEQUAL; 1581 case PIPE_FUNC_GREATER: 1582 return V_008F30_SQ_TEX_DEPTH_COMPARE_GREATER; 1583 case PIPE_FUNC_NOTEQUAL: 1584 return V_008F30_SQ_TEX_DEPTH_COMPARE_NOTEQUAL; 1585 case PIPE_FUNC_GEQUAL: 1586 return V_008F30_SQ_TEX_DEPTH_COMPARE_GREATEREQUAL; 1587 case PIPE_FUNC_ALWAYS: 1588 return V_008F30_SQ_TEX_DEPTH_COMPARE_ALWAYS; 1589 } 1590} 1591 1592static unsigned si_tex_dim(unsigned res_target, unsigned view_target, 1593 unsigned nr_samples) 1594{ 1595 if (view_target == PIPE_TEXTURE_CUBE || 1596 view_target == PIPE_TEXTURE_CUBE_ARRAY) 1597 res_target = view_target; 1598 1599 switch (res_target) { 1600 default: 1601 case PIPE_TEXTURE_1D: 1602 return V_008F1C_SQ_RSRC_IMG_1D; 1603 case PIPE_TEXTURE_1D_ARRAY: 1604 return V_008F1C_SQ_RSRC_IMG_1D_ARRAY; 1605 case PIPE_TEXTURE_2D: 1606 case PIPE_TEXTURE_RECT: 1607 return nr_samples > 1 ? V_008F1C_SQ_RSRC_IMG_2D_MSAA : 1608 V_008F1C_SQ_RSRC_IMG_2D; 1609 case PIPE_TEXTURE_2D_ARRAY: 1610 return nr_samples > 1 ? V_008F1C_SQ_RSRC_IMG_2D_MSAA_ARRAY : 1611 V_008F1C_SQ_RSRC_IMG_2D_ARRAY; 1612 case PIPE_TEXTURE_3D: 1613 return V_008F1C_SQ_RSRC_IMG_3D; 1614 case PIPE_TEXTURE_CUBE: 1615 case PIPE_TEXTURE_CUBE_ARRAY: 1616 return V_008F1C_SQ_RSRC_IMG_CUBE; 1617 } 1618} 1619 1620/* 1621 * Format support testing 1622 */ 1623 1624static bool si_is_sampler_format_supported(struct pipe_screen *screen, enum pipe_format format) 1625{ 1626 return si_translate_texformat(screen, format, util_format_description(format), 1627 util_format_get_first_non_void_channel(format)) != ~0U; 1628} 1629 1630static uint32_t si_translate_buffer_dataformat(struct pipe_screen *screen, 1631 const struct util_format_description *desc, 1632 int first_non_void) 1633{ 1634 unsigned type; 1635 int i; 1636 1637 if (desc->format == PIPE_FORMAT_R11G11B10_FLOAT) 1638 return V_008F0C_BUF_DATA_FORMAT_10_11_11; 1639 1640 assert(first_non_void >= 0); 1641 type = desc->channel[first_non_void].type; 1642 1643 if (type == UTIL_FORMAT_TYPE_FIXED) 1644 return V_008F0C_BUF_DATA_FORMAT_INVALID; 1645 1646 if (desc->nr_channels == 4 && 1647 desc->channel[0].size == 10 && 1648 desc->channel[1].size == 10 && 1649 desc->channel[2].size == 10 && 1650 desc->channel[3].size == 2) 1651 return V_008F0C_BUF_DATA_FORMAT_2_10_10_10; 1652 1653 /* See whether the components are of the same size. */ 1654 for (i = 0; i < desc->nr_channels; i++) { 1655 if (desc->channel[first_non_void].size != desc->channel[i].size) 1656 return V_008F0C_BUF_DATA_FORMAT_INVALID; 1657 } 1658 1659 switch (desc->channel[first_non_void].size) { 1660 case 8: 1661 switch (desc->nr_channels) { 1662 case 1: 1663 return V_008F0C_BUF_DATA_FORMAT_8; 1664 case 2: 1665 return V_008F0C_BUF_DATA_FORMAT_8_8; 1666 case 3: 1667 case 4: 1668 return V_008F0C_BUF_DATA_FORMAT_8_8_8_8; 1669 } 1670 break; 1671 case 16: 1672 switch (desc->nr_channels) { 1673 case 1: 1674 return V_008F0C_BUF_DATA_FORMAT_16; 1675 case 2: 1676 return V_008F0C_BUF_DATA_FORMAT_16_16; 1677 case 3: 1678 case 4: 1679 return V_008F0C_BUF_DATA_FORMAT_16_16_16_16; 1680 } 1681 break; 1682 case 32: 1683 /* From the Southern Islands ISA documentation about MTBUF: 1684 * 'Memory reads of data in memory that is 32 or 64 bits do not 1685 * undergo any format conversion.' 1686 */ 1687 if (type != UTIL_FORMAT_TYPE_FLOAT && 1688 !desc->channel[first_non_void].pure_integer) 1689 return V_008F0C_BUF_DATA_FORMAT_INVALID; 1690 1691 switch (desc->nr_channels) { 1692 case 1: 1693 return V_008F0C_BUF_DATA_FORMAT_32; 1694 case 2: 1695 return V_008F0C_BUF_DATA_FORMAT_32_32; 1696 case 3: 1697 return V_008F0C_BUF_DATA_FORMAT_32_32_32; 1698 case 4: 1699 return V_008F0C_BUF_DATA_FORMAT_32_32_32_32; 1700 } 1701 break; 1702 } 1703 1704 return V_008F0C_BUF_DATA_FORMAT_INVALID; 1705} 1706 1707static uint32_t si_translate_buffer_numformat(struct pipe_screen *screen, 1708 const struct util_format_description *desc, 1709 int first_non_void) 1710{ 1711 if (desc->format == PIPE_FORMAT_R11G11B10_FLOAT) 1712 return V_008F0C_BUF_NUM_FORMAT_FLOAT; 1713 1714 assert(first_non_void >= 0); 1715 1716 switch (desc->channel[first_non_void].type) { 1717 case UTIL_FORMAT_TYPE_SIGNED: 1718 if (desc->channel[first_non_void].normalized) 1719 return V_008F0C_BUF_NUM_FORMAT_SNORM; 1720 else if (desc->channel[first_non_void].pure_integer) 1721 return V_008F0C_BUF_NUM_FORMAT_SINT; 1722 else 1723 return V_008F0C_BUF_NUM_FORMAT_SSCALED; 1724 break; 1725 case UTIL_FORMAT_TYPE_UNSIGNED: 1726 if (desc->channel[first_non_void].normalized) 1727 return V_008F0C_BUF_NUM_FORMAT_UNORM; 1728 else if (desc->channel[first_non_void].pure_integer) 1729 return V_008F0C_BUF_NUM_FORMAT_UINT; 1730 else 1731 return V_008F0C_BUF_NUM_FORMAT_USCALED; 1732 break; 1733 case UTIL_FORMAT_TYPE_FLOAT: 1734 default: 1735 return V_008F0C_BUF_NUM_FORMAT_FLOAT; 1736 } 1737} 1738 1739static bool si_is_vertex_format_supported(struct pipe_screen *screen, enum pipe_format format) 1740{ 1741 const struct util_format_description *desc; 1742 int first_non_void; 1743 unsigned data_format; 1744 1745 desc = util_format_description(format); 1746 first_non_void = util_format_get_first_non_void_channel(format); 1747 data_format = si_translate_buffer_dataformat(screen, desc, first_non_void); 1748 return data_format != V_008F0C_BUF_DATA_FORMAT_INVALID; 1749} 1750 1751static bool si_is_colorbuffer_format_supported(enum pipe_format format) 1752{ 1753 return si_translate_colorformat(format) != V_028C70_COLOR_INVALID && 1754 r600_translate_colorswap(format, false) != ~0U; 1755} 1756 1757static bool si_is_zs_format_supported(enum pipe_format format) 1758{ 1759 return si_translate_dbformat(format) != V_028040_Z_INVALID; 1760} 1761 1762boolean si_is_format_supported(struct pipe_screen *screen, 1763 enum pipe_format format, 1764 enum pipe_texture_target target, 1765 unsigned sample_count, 1766 unsigned usage) 1767{ 1768 unsigned retval = 0; 1769 1770 if (target >= PIPE_MAX_TEXTURE_TYPES) { 1771 R600_ERR("r600: unsupported texture type %d\n", target); 1772 return false; 1773 } 1774 1775 if (!util_format_is_supported(format, usage)) 1776 return false; 1777 1778 if (sample_count > 1) { 1779 if (!screen->get_param(screen, PIPE_CAP_TEXTURE_MULTISAMPLE)) 1780 return false; 1781 1782 switch (sample_count) { 1783 case 2: 1784 case 4: 1785 case 8: 1786 break; 1787 case 16: 1788 if (format == PIPE_FORMAT_NONE) 1789 return true; 1790 else 1791 return false; 1792 default: 1793 return false; 1794 } 1795 } 1796 1797 if (usage & (PIPE_BIND_SAMPLER_VIEW | 1798 PIPE_BIND_SHADER_IMAGE)) { 1799 if (target == PIPE_BUFFER) { 1800 if (si_is_vertex_format_supported(screen, format)) 1801 retval |= usage & (PIPE_BIND_SAMPLER_VIEW | 1802 PIPE_BIND_SHADER_IMAGE); 1803 } else { 1804 if (si_is_sampler_format_supported(screen, format)) 1805 retval |= usage & (PIPE_BIND_SAMPLER_VIEW | 1806 PIPE_BIND_SHADER_IMAGE); 1807 } 1808 } 1809 1810 if ((usage & (PIPE_BIND_RENDER_TARGET | 1811 PIPE_BIND_DISPLAY_TARGET | 1812 PIPE_BIND_SCANOUT | 1813 PIPE_BIND_SHARED | 1814 PIPE_BIND_BLENDABLE)) && 1815 si_is_colorbuffer_format_supported(format)) { 1816 retval |= usage & 1817 (PIPE_BIND_RENDER_TARGET | 1818 PIPE_BIND_DISPLAY_TARGET | 1819 PIPE_BIND_SCANOUT | 1820 PIPE_BIND_SHARED); 1821 if (!util_format_is_pure_integer(format) && 1822 !util_format_is_depth_or_stencil(format)) 1823 retval |= usage & PIPE_BIND_BLENDABLE; 1824 } 1825 1826 if ((usage & PIPE_BIND_DEPTH_STENCIL) && 1827 si_is_zs_format_supported(format)) { 1828 retval |= PIPE_BIND_DEPTH_STENCIL; 1829 } 1830 1831 if ((usage & PIPE_BIND_VERTEX_BUFFER) && 1832 si_is_vertex_format_supported(screen, format)) { 1833 retval |= PIPE_BIND_VERTEX_BUFFER; 1834 } 1835 1836 if (usage & PIPE_BIND_TRANSFER_READ) 1837 retval |= PIPE_BIND_TRANSFER_READ; 1838 if (usage & PIPE_BIND_TRANSFER_WRITE) 1839 retval |= PIPE_BIND_TRANSFER_WRITE; 1840 1841 if ((usage & PIPE_BIND_LINEAR) && 1842 !util_format_is_compressed(format) && 1843 !(usage & PIPE_BIND_DEPTH_STENCIL)) 1844 retval |= PIPE_BIND_LINEAR; 1845 1846 return retval == usage; 1847} 1848 1849/* 1850 * framebuffer handling 1851 */ 1852 1853static void si_choose_spi_color_formats(struct r600_surface *surf, 1854 unsigned format, unsigned swap, 1855 unsigned ntype, bool is_depth) 1856{ 1857 /* Alpha is needed for alpha-to-coverage. 1858 * Blending may be with or without alpha. 1859 */ 1860 unsigned normal = 0; /* most optimal, may not support blending or export alpha */ 1861 unsigned alpha = 0; /* exports alpha, but may not support blending */ 1862 unsigned blend = 0; /* supports blending, but may not export alpha */ 1863 unsigned blend_alpha = 0; /* least optimal, supports blending and exports alpha */ 1864 1865 /* Choose the SPI color formats. These are required values for Stoney/RB+. 1866 * Other chips have multiple choices, though they are not necessarily better. 1867 */ 1868 switch (format) { 1869 case V_028C70_COLOR_5_6_5: 1870 case V_028C70_COLOR_1_5_5_5: 1871 case V_028C70_COLOR_5_5_5_1: 1872 case V_028C70_COLOR_4_4_4_4: 1873 case V_028C70_COLOR_10_11_11: 1874 case V_028C70_COLOR_11_11_10: 1875 case V_028C70_COLOR_8: 1876 case V_028C70_COLOR_8_8: 1877 case V_028C70_COLOR_8_8_8_8: 1878 case V_028C70_COLOR_10_10_10_2: 1879 case V_028C70_COLOR_2_10_10_10: 1880 if (ntype == V_028C70_NUMBER_UINT) 1881 alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_UINT16_ABGR; 1882 else if (ntype == V_028C70_NUMBER_SINT) 1883 alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_SINT16_ABGR; 1884 else 1885 alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_FP16_ABGR; 1886 break; 1887 1888 case V_028C70_COLOR_16: 1889 case V_028C70_COLOR_16_16: 1890 case V_028C70_COLOR_16_16_16_16: 1891 if (ntype == V_028C70_NUMBER_UNORM || 1892 ntype == V_028C70_NUMBER_SNORM) { 1893 /* UNORM16 and SNORM16 don't support blending */ 1894 if (ntype == V_028C70_NUMBER_UNORM) 1895 normal = alpha = V_028714_SPI_SHADER_UNORM16_ABGR; 1896 else 1897 normal = alpha = V_028714_SPI_SHADER_SNORM16_ABGR; 1898 1899 /* Use 32 bits per channel for blending. */ 1900 if (format == V_028C70_COLOR_16) { 1901 if (swap == V_028C70_SWAP_STD) { /* R */ 1902 blend = V_028714_SPI_SHADER_32_R; 1903 blend_alpha = V_028714_SPI_SHADER_32_AR; 1904 } else if (swap == V_028C70_SWAP_ALT_REV) /* A */ 1905 blend = blend_alpha = V_028714_SPI_SHADER_32_AR; 1906 else 1907 assert(0); 1908 } else if (format == V_028C70_COLOR_16_16) { 1909 if (swap == V_028C70_SWAP_STD) { /* RG */ 1910 blend = V_028714_SPI_SHADER_32_GR; 1911 blend_alpha = V_028714_SPI_SHADER_32_ABGR; 1912 } else if (swap == V_028C70_SWAP_ALT) /* RA */ 1913 blend = blend_alpha = V_028714_SPI_SHADER_32_AR; 1914 else 1915 assert(0); 1916 } else /* 16_16_16_16 */ 1917 blend = blend_alpha = V_028714_SPI_SHADER_32_ABGR; 1918 } else if (ntype == V_028C70_NUMBER_UINT) 1919 alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_UINT16_ABGR; 1920 else if (ntype == V_028C70_NUMBER_SINT) 1921 alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_SINT16_ABGR; 1922 else if (ntype == V_028C70_NUMBER_FLOAT) 1923 alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_FP16_ABGR; 1924 else 1925 assert(0); 1926 break; 1927 1928 case V_028C70_COLOR_32: 1929 if (swap == V_028C70_SWAP_STD) { /* R */ 1930 blend = normal = V_028714_SPI_SHADER_32_R; 1931 alpha = blend_alpha = V_028714_SPI_SHADER_32_AR; 1932 } else if (swap == V_028C70_SWAP_ALT_REV) /* A */ 1933 alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_32_AR; 1934 else 1935 assert(0); 1936 break; 1937 1938 case V_028C70_COLOR_32_32: 1939 if (swap == V_028C70_SWAP_STD) { /* RG */ 1940 blend = normal = V_028714_SPI_SHADER_32_GR; 1941 alpha = blend_alpha = V_028714_SPI_SHADER_32_ABGR; 1942 } else if (swap == V_028C70_SWAP_ALT) /* RA */ 1943 alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_32_AR; 1944 else 1945 assert(0); 1946 break; 1947 1948 case V_028C70_COLOR_32_32_32_32: 1949 case V_028C70_COLOR_8_24: 1950 case V_028C70_COLOR_24_8: 1951 case V_028C70_COLOR_X24_8_32_FLOAT: 1952 alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_32_ABGR; 1953 break; 1954 1955 default: 1956 assert(0); 1957 return; 1958 } 1959 1960 /* The DB->CB copy needs 32_ABGR. */ 1961 if (is_depth) 1962 alpha = blend = blend_alpha = normal = V_028714_SPI_SHADER_32_ABGR; 1963 1964 surf->spi_shader_col_format = normal; 1965 surf->spi_shader_col_format_alpha = alpha; 1966 surf->spi_shader_col_format_blend = blend; 1967 surf->spi_shader_col_format_blend_alpha = blend_alpha; 1968} 1969 1970static void si_initialize_color_surface(struct si_context *sctx, 1971 struct r600_surface *surf) 1972{ 1973 struct r600_texture *rtex = (struct r600_texture*)surf->base.texture; 1974 unsigned color_info, color_attrib, color_view; 1975 unsigned format, swap, ntype, endian; 1976 const struct util_format_description *desc; 1977 int i; 1978 unsigned blend_clamp = 0, blend_bypass = 0; 1979 1980 color_view = S_028C6C_SLICE_START(surf->base.u.tex.first_layer) | 1981 S_028C6C_SLICE_MAX(surf->base.u.tex.last_layer); 1982 1983 desc = util_format_description(surf->base.format); 1984 for (i = 0; i < 4; i++) { 1985 if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) { 1986 break; 1987 } 1988 } 1989 if (i == 4 || desc->channel[i].type == UTIL_FORMAT_TYPE_FLOAT) { 1990 ntype = V_028C70_NUMBER_FLOAT; 1991 } else { 1992 ntype = V_028C70_NUMBER_UNORM; 1993 if (desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB) 1994 ntype = V_028C70_NUMBER_SRGB; 1995 else if (desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED) { 1996 if (desc->channel[i].pure_integer) { 1997 ntype = V_028C70_NUMBER_SINT; 1998 } else { 1999 assert(desc->channel[i].normalized); 2000 ntype = V_028C70_NUMBER_SNORM; 2001 } 2002 } else if (desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED) { 2003 if (desc->channel[i].pure_integer) { 2004 ntype = V_028C70_NUMBER_UINT; 2005 } else { 2006 assert(desc->channel[i].normalized); 2007 ntype = V_028C70_NUMBER_UNORM; 2008 } 2009 } 2010 } 2011 2012 format = si_translate_colorformat(surf->base.format); 2013 if (format == V_028C70_COLOR_INVALID) { 2014 R600_ERR("Invalid CB format: %d, disabling CB.\n", surf->base.format); 2015 } 2016 assert(format != V_028C70_COLOR_INVALID); 2017 swap = r600_translate_colorswap(surf->base.format, false); 2018 endian = si_colorformat_endian_swap(format); 2019 2020 /* blend clamp should be set for all NORM/SRGB types */ 2021 if (ntype == V_028C70_NUMBER_UNORM || 2022 ntype == V_028C70_NUMBER_SNORM || 2023 ntype == V_028C70_NUMBER_SRGB) 2024 blend_clamp = 1; 2025 2026 /* set blend bypass according to docs if SINT/UINT or 2027 8/24 COLOR variants */ 2028 if (ntype == V_028C70_NUMBER_UINT || ntype == V_028C70_NUMBER_SINT || 2029 format == V_028C70_COLOR_8_24 || format == V_028C70_COLOR_24_8 || 2030 format == V_028C70_COLOR_X24_8_32_FLOAT) { 2031 blend_clamp = 0; 2032 blend_bypass = 1; 2033 } 2034 2035 if ((ntype == V_028C70_NUMBER_UINT || ntype == V_028C70_NUMBER_SINT) && 2036 (format == V_028C70_COLOR_8 || 2037 format == V_028C70_COLOR_8_8 || 2038 format == V_028C70_COLOR_8_8_8_8)) 2039 surf->color_is_int8 = true; 2040 2041 color_info = S_028C70_FORMAT(format) | 2042 S_028C70_COMP_SWAP(swap) | 2043 S_028C70_BLEND_CLAMP(blend_clamp) | 2044 S_028C70_BLEND_BYPASS(blend_bypass) | 2045 S_028C70_NUMBER_TYPE(ntype) | 2046 S_028C70_ENDIAN(endian); 2047 2048 /* Intensity is implemented as Red, so treat it that way. */ 2049 color_attrib = S_028C74_FORCE_DST_ALPHA_1(desc->swizzle[3] == PIPE_SWIZZLE_1 || 2050 util_format_is_intensity(surf->base.format)); 2051 2052 if (rtex->resource.b.b.nr_samples > 1) { 2053 unsigned log_samples = util_logbase2(rtex->resource.b.b.nr_samples); 2054 2055 color_attrib |= S_028C74_NUM_SAMPLES(log_samples) | 2056 S_028C74_NUM_FRAGMENTS(log_samples); 2057 2058 if (rtex->fmask.size) { 2059 color_info |= S_028C70_COMPRESSION(1); 2060 unsigned fmask_bankh = util_logbase2(rtex->fmask.bank_height); 2061 2062 if (sctx->b.chip_class == SI) { 2063 /* due to a hw bug, FMASK_BANK_HEIGHT must be set on SI too */ 2064 color_attrib |= S_028C74_FMASK_BANK_HEIGHT(fmask_bankh); 2065 } 2066 } 2067 } 2068 2069 surf->cb_color_view = color_view; 2070 surf->cb_color_info = color_info; 2071 surf->cb_color_attrib = color_attrib; 2072 2073 if (sctx->b.chip_class >= VI) { 2074 unsigned max_uncompressed_block_size = 2; 2075 2076 if (rtex->surface.nsamples > 1) { 2077 if (rtex->surface.bpe == 1) 2078 max_uncompressed_block_size = 0; 2079 else if (rtex->surface.bpe == 2) 2080 max_uncompressed_block_size = 1; 2081 } 2082 2083 surf->cb_dcc_control = S_028C78_MAX_UNCOMPRESSED_BLOCK_SIZE(max_uncompressed_block_size) | 2084 S_028C78_INDEPENDENT_64B_BLOCKS(1); 2085 } 2086 2087 /* This must be set for fast clear to work without FMASK. */ 2088 if (!rtex->fmask.size && sctx->b.chip_class == SI) { 2089 unsigned bankh = util_logbase2(rtex->surface.bankh); 2090 surf->cb_color_attrib |= S_028C74_FMASK_BANK_HEIGHT(bankh); 2091 } 2092 2093 /* Determine pixel shader export format */ 2094 si_choose_spi_color_formats(surf, format, swap, ntype, rtex->is_depth); 2095 2096 surf->color_initialized = true; 2097} 2098 2099static void si_init_depth_surface(struct si_context *sctx, 2100 struct r600_surface *surf) 2101{ 2102 struct r600_texture *rtex = (struct r600_texture*)surf->base.texture; 2103 unsigned level = surf->base.u.tex.level; 2104 struct radeon_surf_level *levelinfo = &rtex->surface.level[level]; 2105 unsigned format; 2106 uint32_t z_info, s_info, db_depth_info; 2107 uint64_t z_offs, s_offs; 2108 uint32_t db_htile_data_base, db_htile_surface; 2109 2110 format = si_translate_dbformat(rtex->resource.b.b.format); 2111 2112 if (format == V_028040_Z_INVALID) { 2113 R600_ERR("Invalid DB format: %d, disabling DB.\n", rtex->resource.b.b.format); 2114 } 2115 assert(format != V_028040_Z_INVALID); 2116 2117 s_offs = z_offs = rtex->resource.gpu_address; 2118 z_offs += rtex->surface.level[level].offset; 2119 s_offs += rtex->surface.stencil_level[level].offset; 2120 2121 db_depth_info = S_02803C_ADDR5_SWIZZLE_MASK(1); 2122 2123 z_info = S_028040_FORMAT(format); 2124 if (rtex->resource.b.b.nr_samples > 1) { 2125 z_info |= S_028040_NUM_SAMPLES(util_logbase2(rtex->resource.b.b.nr_samples)); 2126 } 2127 2128 if (rtex->surface.flags & RADEON_SURF_SBUFFER) 2129 s_info = S_028044_FORMAT(V_028044_STENCIL_8); 2130 else 2131 s_info = S_028044_FORMAT(V_028044_STENCIL_INVALID); 2132 2133 if (sctx->b.chip_class >= CIK) { 2134 struct radeon_info *info = &sctx->screen->b.info; 2135 unsigned index = rtex->surface.tiling_index[level]; 2136 unsigned stencil_index = rtex->surface.stencil_tiling_index[level]; 2137 unsigned macro_index = rtex->surface.macro_tile_index; 2138 unsigned tile_mode = info->si_tile_mode_array[index]; 2139 unsigned stencil_tile_mode = info->si_tile_mode_array[stencil_index]; 2140 unsigned macro_mode = info->cik_macrotile_mode_array[macro_index]; 2141 2142 db_depth_info |= 2143 S_02803C_ARRAY_MODE(G_009910_ARRAY_MODE(tile_mode)) | 2144 S_02803C_PIPE_CONFIG(G_009910_PIPE_CONFIG(tile_mode)) | 2145 S_02803C_BANK_WIDTH(G_009990_BANK_WIDTH(macro_mode)) | 2146 S_02803C_BANK_HEIGHT(G_009990_BANK_HEIGHT(macro_mode)) | 2147 S_02803C_MACRO_TILE_ASPECT(G_009990_MACRO_TILE_ASPECT(macro_mode)) | 2148 S_02803C_NUM_BANKS(G_009990_NUM_BANKS(macro_mode)); 2149 z_info |= S_028040_TILE_SPLIT(G_009910_TILE_SPLIT(tile_mode)); 2150 s_info |= S_028044_TILE_SPLIT(G_009910_TILE_SPLIT(stencil_tile_mode)); 2151 } else { 2152 unsigned tile_mode_index = si_tile_mode_index(rtex, level, false); 2153 z_info |= S_028040_TILE_MODE_INDEX(tile_mode_index); 2154 tile_mode_index = si_tile_mode_index(rtex, level, true); 2155 s_info |= S_028044_TILE_MODE_INDEX(tile_mode_index); 2156 } 2157 2158 /* HiZ aka depth buffer htile */ 2159 /* use htile only for first level */ 2160 if (rtex->htile_buffer && !level) { 2161 z_info |= S_028040_TILE_SURFACE_ENABLE(1) | 2162 S_028040_ALLOW_EXPCLEAR(1); 2163 2164 if (rtex->surface.flags & RADEON_SURF_SBUFFER) { 2165 /* Workaround: For a not yet understood reason, the 2166 * combination of MSAA, fast stencil clear and stencil 2167 * decompress messes with subsequent stencil buffer 2168 * uses. Problem was reproduced on Verde, Bonaire, 2169 * Tonga, and Carrizo. 2170 * 2171 * Disabling EXPCLEAR works around the problem. 2172 * 2173 * Check piglit's arb_texture_multisample-stencil-clear 2174 * test if you want to try changing this. 2175 */ 2176 if (rtex->resource.b.b.nr_samples <= 1) 2177 s_info |= S_028044_ALLOW_EXPCLEAR(1); 2178 } else 2179 /* Use all of the htile_buffer for depth if there's no stencil. */ 2180 s_info |= S_028044_TILE_STENCIL_DISABLE(1); 2181 2182 uint64_t va = rtex->htile_buffer->gpu_address; 2183 db_htile_data_base = va >> 8; 2184 db_htile_surface = S_028ABC_FULL_CACHE(1); 2185 } else { 2186 db_htile_data_base = 0; 2187 db_htile_surface = 0; 2188 } 2189 2190 assert(levelinfo->nblk_x % 8 == 0 && levelinfo->nblk_y % 8 == 0); 2191 2192 surf->db_depth_view = S_028008_SLICE_START(surf->base.u.tex.first_layer) | 2193 S_028008_SLICE_MAX(surf->base.u.tex.last_layer); 2194 surf->db_htile_data_base = db_htile_data_base; 2195 surf->db_depth_info = db_depth_info; 2196 surf->db_z_info = z_info; 2197 surf->db_stencil_info = s_info; 2198 surf->db_depth_base = z_offs >> 8; 2199 surf->db_stencil_base = s_offs >> 8; 2200 surf->db_depth_size = S_028058_PITCH_TILE_MAX((levelinfo->nblk_x / 8) - 1) | 2201 S_028058_HEIGHT_TILE_MAX((levelinfo->nblk_y / 8) - 1); 2202 surf->db_depth_slice = S_02805C_SLICE_TILE_MAX((levelinfo->nblk_x * 2203 levelinfo->nblk_y) / 64 - 1); 2204 surf->db_htile_surface = db_htile_surface; 2205 2206 surf->depth_initialized = true; 2207} 2208 2209void si_dec_framebuffer_counters(const struct pipe_framebuffer_state *state) 2210{ 2211 for (int i = 0; i < state->nr_cbufs; ++i) { 2212 struct r600_surface *surf = NULL; 2213 struct r600_texture *rtex; 2214 2215 if (!state->cbufs[i]) 2216 continue; 2217 surf = (struct r600_surface*)state->cbufs[i]; 2218 rtex = (struct r600_texture*)surf->base.texture; 2219 2220 p_atomic_dec(&rtex->framebuffers_bound); 2221 } 2222} 2223 2224static void si_set_framebuffer_state(struct pipe_context *ctx, 2225 const struct pipe_framebuffer_state *state) 2226{ 2227 struct si_context *sctx = (struct si_context *)ctx; 2228 struct pipe_constant_buffer constbuf = {0}; 2229 struct r600_surface *surf = NULL; 2230 struct r600_texture *rtex; 2231 bool old_cb0_is_integer = sctx->framebuffer.cb0_is_integer; 2232 bool old_any_dst_linear = sctx->framebuffer.any_dst_linear; 2233 unsigned old_nr_samples = sctx->framebuffer.nr_samples; 2234 int i; 2235 2236 /* Only flush TC when changing the framebuffer state, because 2237 * the only client not using TC that can change textures is 2238 * the framebuffer. 2239 * 2240 * Flush all CB and DB caches here because all buffers can be used 2241 * for write by both TC (with shader image stores) and CB/DB. 2242 */ 2243 sctx->b.flags |= SI_CONTEXT_INV_VMEM_L1 | 2244 SI_CONTEXT_INV_GLOBAL_L2 | 2245 SI_CONTEXT_FLUSH_AND_INV_FRAMEBUFFER | 2246 SI_CONTEXT_CS_PARTIAL_FLUSH; 2247 2248 /* Take the maximum of the old and new count. If the new count is lower, 2249 * dirtying is needed to disable the unbound colorbuffers. 2250 */ 2251 sctx->framebuffer.dirty_cbufs |= 2252 (1 << MAX2(sctx->framebuffer.state.nr_cbufs, state->nr_cbufs)) - 1; 2253 sctx->framebuffer.dirty_zsbuf |= sctx->framebuffer.state.zsbuf != state->zsbuf; 2254 2255 si_dec_framebuffer_counters(&sctx->framebuffer.state); 2256 util_copy_framebuffer_state(&sctx->framebuffer.state, state); 2257 2258 sctx->framebuffer.spi_shader_col_format = 0; 2259 sctx->framebuffer.spi_shader_col_format_alpha = 0; 2260 sctx->framebuffer.spi_shader_col_format_blend = 0; 2261 sctx->framebuffer.spi_shader_col_format_blend_alpha = 0; 2262 sctx->framebuffer.color_is_int8 = 0; 2263 2264 sctx->framebuffer.compressed_cb_mask = 0; 2265 sctx->framebuffer.nr_samples = util_framebuffer_get_num_samples(state); 2266 sctx->framebuffer.log_samples = util_logbase2(sctx->framebuffer.nr_samples); 2267 sctx->framebuffer.cb0_is_integer = state->nr_cbufs && state->cbufs[0] && 2268 util_format_is_pure_integer(state->cbufs[0]->format); 2269 sctx->framebuffer.any_dst_linear = false; 2270 2271 if (sctx->framebuffer.cb0_is_integer != old_cb0_is_integer) 2272 si_mark_atom_dirty(sctx, &sctx->db_render_state); 2273 2274 for (i = 0; i < state->nr_cbufs; i++) { 2275 if (!state->cbufs[i]) 2276 continue; 2277 2278 surf = (struct r600_surface*)state->cbufs[i]; 2279 rtex = (struct r600_texture*)surf->base.texture; 2280 2281 if (!surf->color_initialized) { 2282 si_initialize_color_surface(sctx, surf); 2283 } 2284 2285 sctx->framebuffer.spi_shader_col_format |= 2286 surf->spi_shader_col_format << (i * 4); 2287 sctx->framebuffer.spi_shader_col_format_alpha |= 2288 surf->spi_shader_col_format_alpha << (i * 4); 2289 sctx->framebuffer.spi_shader_col_format_blend |= 2290 surf->spi_shader_col_format_blend << (i * 4); 2291 sctx->framebuffer.spi_shader_col_format_blend_alpha |= 2292 surf->spi_shader_col_format_blend_alpha << (i * 4); 2293 2294 if (surf->color_is_int8) 2295 sctx->framebuffer.color_is_int8 |= 1 << i; 2296 2297 if (rtex->fmask.size && rtex->cmask.size) { 2298 sctx->framebuffer.compressed_cb_mask |= 1 << i; 2299 } 2300 2301 if (surf->level_info->mode == RADEON_SURF_MODE_LINEAR_ALIGNED) 2302 sctx->framebuffer.any_dst_linear = true; 2303 2304 r600_context_add_resource_size(ctx, surf->base.texture); 2305 2306 p_atomic_inc(&rtex->framebuffers_bound); 2307 } 2308 /* Set the second SPI format for possible dual-src blending. */ 2309 if (i == 1 && surf) { 2310 sctx->framebuffer.spi_shader_col_format |= 2311 surf->spi_shader_col_format << (i * 4); 2312 sctx->framebuffer.spi_shader_col_format_alpha |= 2313 surf->spi_shader_col_format_alpha << (i * 4); 2314 sctx->framebuffer.spi_shader_col_format_blend |= 2315 surf->spi_shader_col_format_blend << (i * 4); 2316 sctx->framebuffer.spi_shader_col_format_blend_alpha |= 2317 surf->spi_shader_col_format_blend_alpha << (i * 4); 2318 } 2319 2320 if (state->zsbuf) { 2321 surf = (struct r600_surface*)state->zsbuf; 2322 2323 if (!surf->depth_initialized) { 2324 si_init_depth_surface(sctx, surf); 2325 } 2326 r600_context_add_resource_size(ctx, surf->base.texture); 2327 } 2328 2329 si_update_poly_offset_state(sctx); 2330 si_mark_atom_dirty(sctx, &sctx->cb_render_state); 2331 si_mark_atom_dirty(sctx, &sctx->framebuffer.atom); 2332 2333 if (sctx->framebuffer.any_dst_linear != old_any_dst_linear) 2334 si_mark_atom_dirty(sctx, &sctx->msaa_config); 2335 2336 if (sctx->framebuffer.nr_samples != old_nr_samples) { 2337 si_mark_atom_dirty(sctx, &sctx->msaa_config); 2338 si_mark_atom_dirty(sctx, &sctx->db_render_state); 2339 2340 /* Set sample locations as fragment shader constants. */ 2341 switch (sctx->framebuffer.nr_samples) { 2342 case 1: 2343 constbuf.user_buffer = sctx->b.sample_locations_1x; 2344 break; 2345 case 2: 2346 constbuf.user_buffer = sctx->b.sample_locations_2x; 2347 break; 2348 case 4: 2349 constbuf.user_buffer = sctx->b.sample_locations_4x; 2350 break; 2351 case 8: 2352 constbuf.user_buffer = sctx->b.sample_locations_8x; 2353 break; 2354 case 16: 2355 constbuf.user_buffer = sctx->b.sample_locations_16x; 2356 break; 2357 default: 2358 R600_ERR("Requested an invalid number of samples %i.\n", 2359 sctx->framebuffer.nr_samples); 2360 assert(0); 2361 } 2362 constbuf.buffer_size = sctx->framebuffer.nr_samples * 2 * 4; 2363 si_set_rw_buffer(sctx, SI_PS_CONST_SAMPLE_POSITIONS, &constbuf); 2364 2365 /* Smoothing (only possible with nr_samples == 1) uses the same 2366 * sample locations as the MSAA it simulates. 2367 * 2368 * Therefore, don't update the sample locations when 2369 * transitioning from no AA to smoothing-equivalent AA, and 2370 * vice versa. 2371 */ 2372 if ((sctx->framebuffer.nr_samples != 1 || 2373 old_nr_samples != SI_NUM_SMOOTH_AA_SAMPLES) && 2374 (sctx->framebuffer.nr_samples != SI_NUM_SMOOTH_AA_SAMPLES || 2375 old_nr_samples != 1)) 2376 si_mark_atom_dirty(sctx, &sctx->msaa_sample_locs); 2377 } 2378 2379 sctx->need_check_render_feedback = true; 2380} 2381 2382static void si_emit_framebuffer_state(struct si_context *sctx, struct r600_atom *atom) 2383{ 2384 struct radeon_winsys_cs *cs = sctx->b.gfx.cs; 2385 struct pipe_framebuffer_state *state = &sctx->framebuffer.state; 2386 unsigned i, nr_cbufs = state->nr_cbufs; 2387 struct r600_texture *tex = NULL; 2388 struct r600_surface *cb = NULL; 2389 unsigned cb_color_info = 0; 2390 2391 /* Colorbuffers. */ 2392 for (i = 0; i < nr_cbufs; i++) { 2393 unsigned pitch_tile_max, slice_tile_max, tile_mode_index; 2394 unsigned cb_color_base, cb_color_fmask, cb_color_attrib; 2395 unsigned cb_color_pitch, cb_color_slice, cb_color_fmask_slice; 2396 2397 if (!(sctx->framebuffer.dirty_cbufs & (1 << i))) 2398 continue; 2399 2400 cb = (struct r600_surface*)state->cbufs[i]; 2401 if (!cb) { 2402 radeon_set_context_reg(cs, R_028C70_CB_COLOR0_INFO + i * 0x3C, 2403 S_028C70_FORMAT(V_028C70_COLOR_INVALID)); 2404 continue; 2405 } 2406 2407 tex = (struct r600_texture *)cb->base.texture; 2408 radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx, 2409 &tex->resource, RADEON_USAGE_READWRITE, 2410 tex->surface.nsamples > 1 ? 2411 RADEON_PRIO_COLOR_BUFFER_MSAA : 2412 RADEON_PRIO_COLOR_BUFFER); 2413 2414 if (tex->cmask_buffer && tex->cmask_buffer != &tex->resource) { 2415 radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx, 2416 tex->cmask_buffer, RADEON_USAGE_READWRITE, 2417 RADEON_PRIO_CMASK); 2418 } 2419 2420 /* Compute mutable surface parameters. */ 2421 pitch_tile_max = cb->level_info->nblk_x / 8 - 1; 2422 slice_tile_max = cb->level_info->nblk_x * 2423 cb->level_info->nblk_y / 64 - 1; 2424 tile_mode_index = si_tile_mode_index(tex, cb->base.u.tex.level, false); 2425 2426 cb_color_base = (tex->resource.gpu_address + cb->level_info->offset) >> 8; 2427 cb_color_pitch = S_028C64_TILE_MAX(pitch_tile_max); 2428 cb_color_slice = S_028C68_TILE_MAX(slice_tile_max); 2429 cb_color_attrib = cb->cb_color_attrib | 2430 S_028C74_TILE_MODE_INDEX(tile_mode_index); 2431 2432 if (tex->fmask.size) { 2433 if (sctx->b.chip_class >= CIK) 2434 cb_color_pitch |= S_028C64_FMASK_TILE_MAX(tex->fmask.pitch_in_pixels / 8 - 1); 2435 cb_color_attrib |= S_028C74_FMASK_TILE_MODE_INDEX(tex->fmask.tile_mode_index); 2436 cb_color_fmask = (tex->resource.gpu_address + tex->fmask.offset) >> 8; 2437 cb_color_fmask_slice = S_028C88_TILE_MAX(tex->fmask.slice_tile_max); 2438 } else { 2439 /* This must be set for fast clear to work without FMASK. */ 2440 if (sctx->b.chip_class >= CIK) 2441 cb_color_pitch |= S_028C64_FMASK_TILE_MAX(pitch_tile_max); 2442 cb_color_attrib |= S_028C74_FMASK_TILE_MODE_INDEX(tile_mode_index); 2443 cb_color_fmask = cb_color_base; 2444 cb_color_fmask_slice = S_028C88_TILE_MAX(slice_tile_max); 2445 } 2446 2447 cb_color_info = cb->cb_color_info | tex->cb_color_info; 2448 2449 if (tex->dcc_offset && cb->level_info->dcc_enabled) { 2450 bool is_msaa_resolve_dst = state->cbufs[0] && 2451 state->cbufs[0]->texture->nr_samples > 1 && 2452 state->cbufs[1] == &cb->base && 2453 state->cbufs[1]->texture->nr_samples <= 1; 2454 2455 if (!is_msaa_resolve_dst) 2456 cb_color_info |= S_028C70_DCC_ENABLE(1); 2457 } 2458 2459 radeon_set_context_reg_seq(cs, R_028C60_CB_COLOR0_BASE + i * 0x3C, 2460 sctx->b.chip_class >= VI ? 14 : 13); 2461 radeon_emit(cs, cb_color_base); /* R_028C60_CB_COLOR0_BASE */ 2462 radeon_emit(cs, cb_color_pitch); /* R_028C64_CB_COLOR0_PITCH */ 2463 radeon_emit(cs, cb_color_slice); /* R_028C68_CB_COLOR0_SLICE */ 2464 radeon_emit(cs, cb->cb_color_view); /* R_028C6C_CB_COLOR0_VIEW */ 2465 radeon_emit(cs, cb_color_info); /* R_028C70_CB_COLOR0_INFO */ 2466 radeon_emit(cs, cb_color_attrib); /* R_028C74_CB_COLOR0_ATTRIB */ 2467 radeon_emit(cs, cb->cb_dcc_control); /* R_028C78_CB_COLOR0_DCC_CONTROL */ 2468 radeon_emit(cs, tex->cmask.base_address_reg); /* R_028C7C_CB_COLOR0_CMASK */ 2469 radeon_emit(cs, tex->cmask.slice_tile_max); /* R_028C80_CB_COLOR0_CMASK_SLICE */ 2470 radeon_emit(cs, cb_color_fmask); /* R_028C84_CB_COLOR0_FMASK */ 2471 radeon_emit(cs, cb_color_fmask_slice); /* R_028C88_CB_COLOR0_FMASK_SLICE */ 2472 radeon_emit(cs, tex->color_clear_value[0]); /* R_028C8C_CB_COLOR0_CLEAR_WORD0 */ 2473 radeon_emit(cs, tex->color_clear_value[1]); /* R_028C90_CB_COLOR0_CLEAR_WORD1 */ 2474 2475 if (sctx->b.chip_class >= VI) /* R_028C94_CB_COLOR0_DCC_BASE */ 2476 radeon_emit(cs, (tex->resource.gpu_address + 2477 tex->dcc_offset + 2478 tex->surface.level[cb->base.u.tex.level].dcc_offset) >> 8); 2479 } 2480 /* set CB_COLOR1_INFO for possible dual-src blending */ 2481 if (i == 1 && state->cbufs[0] && 2482 sctx->framebuffer.dirty_cbufs & (1 << 0)) { 2483 radeon_set_context_reg(cs, R_028C70_CB_COLOR0_INFO + 1 * 0x3C, 2484 cb_color_info); 2485 i++; 2486 } 2487 for (; i < 8 ; i++) 2488 if (sctx->framebuffer.dirty_cbufs & (1 << i)) 2489 radeon_set_context_reg(cs, R_028C70_CB_COLOR0_INFO + i * 0x3C, 0); 2490 2491 /* ZS buffer. */ 2492 if (state->zsbuf && sctx->framebuffer.dirty_zsbuf) { 2493 struct r600_surface *zb = (struct r600_surface*)state->zsbuf; 2494 struct r600_texture *rtex = (struct r600_texture*)zb->base.texture; 2495 2496 radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx, 2497 &rtex->resource, RADEON_USAGE_READWRITE, 2498 zb->base.texture->nr_samples > 1 ? 2499 RADEON_PRIO_DEPTH_BUFFER_MSAA : 2500 RADEON_PRIO_DEPTH_BUFFER); 2501 2502 if (zb->db_htile_data_base) { 2503 radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx, 2504 rtex->htile_buffer, RADEON_USAGE_READWRITE, 2505 RADEON_PRIO_HTILE); 2506 } 2507 2508 radeon_set_context_reg(cs, R_028008_DB_DEPTH_VIEW, zb->db_depth_view); 2509 radeon_set_context_reg(cs, R_028014_DB_HTILE_DATA_BASE, zb->db_htile_data_base); 2510 2511 radeon_set_context_reg_seq(cs, R_02803C_DB_DEPTH_INFO, 9); 2512 radeon_emit(cs, zb->db_depth_info); /* R_02803C_DB_DEPTH_INFO */ 2513 radeon_emit(cs, zb->db_z_info | /* R_028040_DB_Z_INFO */ 2514 S_028040_ZRANGE_PRECISION(rtex->depth_clear_value != 0)); 2515 radeon_emit(cs, zb->db_stencil_info); /* R_028044_DB_STENCIL_INFO */ 2516 radeon_emit(cs, zb->db_depth_base); /* R_028048_DB_Z_READ_BASE */ 2517 radeon_emit(cs, zb->db_stencil_base); /* R_02804C_DB_STENCIL_READ_BASE */ 2518 radeon_emit(cs, zb->db_depth_base); /* R_028050_DB_Z_WRITE_BASE */ 2519 radeon_emit(cs, zb->db_stencil_base); /* R_028054_DB_STENCIL_WRITE_BASE */ 2520 radeon_emit(cs, zb->db_depth_size); /* R_028058_DB_DEPTH_SIZE */ 2521 radeon_emit(cs, zb->db_depth_slice); /* R_02805C_DB_DEPTH_SLICE */ 2522 2523 radeon_set_context_reg_seq(cs, R_028028_DB_STENCIL_CLEAR, 2); 2524 radeon_emit(cs, rtex->stencil_clear_value); /* R_028028_DB_STENCIL_CLEAR */ 2525 radeon_emit(cs, fui(rtex->depth_clear_value)); /* R_02802C_DB_DEPTH_CLEAR */ 2526 2527 radeon_set_context_reg(cs, R_028ABC_DB_HTILE_SURFACE, zb->db_htile_surface); 2528 } else if (sctx->framebuffer.dirty_zsbuf) { 2529 radeon_set_context_reg_seq(cs, R_028040_DB_Z_INFO, 2); 2530 radeon_emit(cs, S_028040_FORMAT(V_028040_Z_INVALID)); /* R_028040_DB_Z_INFO */ 2531 radeon_emit(cs, S_028044_FORMAT(V_028044_STENCIL_INVALID)); /* R_028044_DB_STENCIL_INFO */ 2532 } 2533 2534 /* Framebuffer dimensions. */ 2535 /* PA_SC_WINDOW_SCISSOR_TL is set in si_init_config() */ 2536 radeon_set_context_reg(cs, R_028208_PA_SC_WINDOW_SCISSOR_BR, 2537 S_028208_BR_X(state->width) | S_028208_BR_Y(state->height)); 2538 2539 sctx->framebuffer.dirty_cbufs = 0; 2540 sctx->framebuffer.dirty_zsbuf = false; 2541} 2542 2543static void si_emit_msaa_sample_locs(struct si_context *sctx, 2544 struct r600_atom *atom) 2545{ 2546 struct radeon_winsys_cs *cs = sctx->b.gfx.cs; 2547 unsigned nr_samples = sctx->framebuffer.nr_samples; 2548 2549 cayman_emit_msaa_sample_locs(cs, nr_samples > 1 ? nr_samples : 2550 SI_NUM_SMOOTH_AA_SAMPLES); 2551} 2552 2553static void si_emit_msaa_config(struct si_context *sctx, struct r600_atom *atom) 2554{ 2555 struct radeon_winsys_cs *cs = sctx->b.gfx.cs; 2556 unsigned num_tile_pipes = sctx->screen->b.info.num_tile_pipes; 2557 /* 33% faster rendering to linear color buffers */ 2558 bool dst_is_linear = sctx->framebuffer.any_dst_linear; 2559 unsigned sc_mode_cntl_1 = 2560 S_028A4C_WALK_SIZE(dst_is_linear) | 2561 S_028A4C_WALK_FENCE_ENABLE(!dst_is_linear) | 2562 S_028A4C_WALK_FENCE_SIZE(num_tile_pipes == 2 ? 2 : 3) | 2563 /* always 1: */ 2564 S_028A4C_WALK_ALIGN8_PRIM_FITS_ST(1) | 2565 S_028A4C_SUPERTILE_WALK_ORDER_ENABLE(1) | 2566 S_028A4C_TILE_WALK_ORDER_ENABLE(1) | 2567 S_028A4C_MULTI_SHADER_ENGINE_PRIM_DISCARD_ENABLE(1) | 2568 S_028A4C_FORCE_EOV_CNTDWN_ENABLE(1) | 2569 S_028A4C_FORCE_EOV_REZ_ENABLE(1); 2570 2571 cayman_emit_msaa_config(cs, sctx->framebuffer.nr_samples, 2572 sctx->ps_iter_samples, 2573 sctx->smoothing_enabled ? SI_NUM_SMOOTH_AA_SAMPLES : 0, 2574 sc_mode_cntl_1); 2575} 2576 2577static void si_set_min_samples(struct pipe_context *ctx, unsigned min_samples) 2578{ 2579 struct si_context *sctx = (struct si_context *)ctx; 2580 2581 if (sctx->ps_iter_samples == min_samples) 2582 return; 2583 2584 sctx->ps_iter_samples = min_samples; 2585 2586 if (sctx->framebuffer.nr_samples > 1) 2587 si_mark_atom_dirty(sctx, &sctx->msaa_config); 2588} 2589 2590/* 2591 * Samplers 2592 */ 2593 2594/** 2595 * Build the sampler view descriptor for a buffer texture. 2596 * @param state 256-bit descriptor; only the high 128 bits are filled in 2597 */ 2598void 2599si_make_buffer_descriptor(struct si_screen *screen, struct r600_resource *buf, 2600 enum pipe_format format, 2601 unsigned first_element, unsigned last_element, 2602 uint32_t *state) 2603{ 2604 const struct util_format_description *desc; 2605 int first_non_void; 2606 uint64_t va; 2607 unsigned stride; 2608 unsigned num_records; 2609 unsigned num_format, data_format; 2610 2611 desc = util_format_description(format); 2612 first_non_void = util_format_get_first_non_void_channel(format); 2613 stride = desc->block.bits / 8; 2614 va = buf->gpu_address + first_element * stride; 2615 num_format = si_translate_buffer_numformat(&screen->b.b, desc, first_non_void); 2616 data_format = si_translate_buffer_dataformat(&screen->b.b, desc, first_non_void); 2617 2618 num_records = last_element + 1 - first_element; 2619 num_records = MIN2(num_records, buf->b.b.width0 / stride); 2620 2621 if (screen->b.chip_class >= VI) 2622 num_records *= stride; 2623 2624 state[4] = va; 2625 state[5] = S_008F04_BASE_ADDRESS_HI(va >> 32) | 2626 S_008F04_STRIDE(stride); 2627 state[6] = num_records; 2628 state[7] = S_008F0C_DST_SEL_X(si_map_swizzle(desc->swizzle[0])) | 2629 S_008F0C_DST_SEL_Y(si_map_swizzle(desc->swizzle[1])) | 2630 S_008F0C_DST_SEL_Z(si_map_swizzle(desc->swizzle[2])) | 2631 S_008F0C_DST_SEL_W(si_map_swizzle(desc->swizzle[3])) | 2632 S_008F0C_NUM_FORMAT(num_format) | 2633 S_008F0C_DATA_FORMAT(data_format); 2634} 2635 2636/** 2637 * Build the sampler view descriptor for a texture. 2638 */ 2639void 2640si_make_texture_descriptor(struct si_screen *screen, 2641 struct r600_texture *tex, 2642 bool sampler, 2643 enum pipe_texture_target target, 2644 enum pipe_format pipe_format, 2645 const unsigned char state_swizzle[4], 2646 unsigned first_level, unsigned last_level, 2647 unsigned first_layer, unsigned last_layer, 2648 unsigned width, unsigned height, unsigned depth, 2649 uint32_t *state, 2650 uint32_t *fmask_state) 2651{ 2652 struct pipe_resource *res = &tex->resource.b.b; 2653 const struct util_format_description *desc; 2654 unsigned char swizzle[4]; 2655 int first_non_void; 2656 unsigned num_format, data_format, type; 2657 uint64_t va; 2658 2659 desc = util_format_description(pipe_format); 2660 2661 if (desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS) { 2662 const unsigned char swizzle_xxxx[4] = {0, 0, 0, 0}; 2663 const unsigned char swizzle_yyyy[4] = {1, 1, 1, 1}; 2664 2665 switch (pipe_format) { 2666 case PIPE_FORMAT_S8_UINT_Z24_UNORM: 2667 case PIPE_FORMAT_X24S8_UINT: 2668 case PIPE_FORMAT_X32_S8X24_UINT: 2669 case PIPE_FORMAT_X8Z24_UNORM: 2670 util_format_compose_swizzles(swizzle_yyyy, state_swizzle, swizzle); 2671 break; 2672 default: 2673 util_format_compose_swizzles(swizzle_xxxx, state_swizzle, swizzle); 2674 } 2675 } else { 2676 util_format_compose_swizzles(desc->swizzle, state_swizzle, swizzle); 2677 } 2678 2679 first_non_void = util_format_get_first_non_void_channel(pipe_format); 2680 2681 switch (pipe_format) { 2682 case PIPE_FORMAT_S8_UINT_Z24_UNORM: 2683 num_format = V_008F14_IMG_NUM_FORMAT_UNORM; 2684 break; 2685 default: 2686 if (first_non_void < 0) { 2687 if (util_format_is_compressed(pipe_format)) { 2688 switch (pipe_format) { 2689 case PIPE_FORMAT_DXT1_SRGB: 2690 case PIPE_FORMAT_DXT1_SRGBA: 2691 case PIPE_FORMAT_DXT3_SRGBA: 2692 case PIPE_FORMAT_DXT5_SRGBA: 2693 case PIPE_FORMAT_BPTC_SRGBA: 2694 case PIPE_FORMAT_ETC2_SRGB8: 2695 case PIPE_FORMAT_ETC2_SRGB8A1: 2696 case PIPE_FORMAT_ETC2_SRGBA8: 2697 num_format = V_008F14_IMG_NUM_FORMAT_SRGB; 2698 break; 2699 case PIPE_FORMAT_RGTC1_SNORM: 2700 case PIPE_FORMAT_LATC1_SNORM: 2701 case PIPE_FORMAT_RGTC2_SNORM: 2702 case PIPE_FORMAT_LATC2_SNORM: 2703 case PIPE_FORMAT_ETC2_R11_SNORM: 2704 case PIPE_FORMAT_ETC2_RG11_SNORM: 2705 /* implies float, so use SNORM/UNORM to determine 2706 whether data is signed or not */ 2707 case PIPE_FORMAT_BPTC_RGB_FLOAT: 2708 num_format = V_008F14_IMG_NUM_FORMAT_SNORM; 2709 break; 2710 default: 2711 num_format = V_008F14_IMG_NUM_FORMAT_UNORM; 2712 break; 2713 } 2714 } else if (desc->layout == UTIL_FORMAT_LAYOUT_SUBSAMPLED) { 2715 num_format = V_008F14_IMG_NUM_FORMAT_UNORM; 2716 } else { 2717 num_format = V_008F14_IMG_NUM_FORMAT_FLOAT; 2718 } 2719 } else if (desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB) { 2720 num_format = V_008F14_IMG_NUM_FORMAT_SRGB; 2721 } else { 2722 num_format = V_008F14_IMG_NUM_FORMAT_UNORM; 2723 2724 switch (desc->channel[first_non_void].type) { 2725 case UTIL_FORMAT_TYPE_FLOAT: 2726 num_format = V_008F14_IMG_NUM_FORMAT_FLOAT; 2727 break; 2728 case UTIL_FORMAT_TYPE_SIGNED: 2729 if (desc->channel[first_non_void].normalized) 2730 num_format = V_008F14_IMG_NUM_FORMAT_SNORM; 2731 else if (desc->channel[first_non_void].pure_integer) 2732 num_format = V_008F14_IMG_NUM_FORMAT_SINT; 2733 else 2734 num_format = V_008F14_IMG_NUM_FORMAT_SSCALED; 2735 break; 2736 case UTIL_FORMAT_TYPE_UNSIGNED: 2737 if (desc->channel[first_non_void].normalized) 2738 num_format = V_008F14_IMG_NUM_FORMAT_UNORM; 2739 else if (desc->channel[first_non_void].pure_integer) 2740 num_format = V_008F14_IMG_NUM_FORMAT_UINT; 2741 else 2742 num_format = V_008F14_IMG_NUM_FORMAT_USCALED; 2743 } 2744 } 2745 } 2746 2747 data_format = si_translate_texformat(&screen->b.b, pipe_format, desc, first_non_void); 2748 if (data_format == ~0) { 2749 data_format = 0; 2750 } 2751 2752 if (!sampler && 2753 (res->target == PIPE_TEXTURE_CUBE || 2754 res->target == PIPE_TEXTURE_CUBE_ARRAY || 2755 res->target == PIPE_TEXTURE_3D)) { 2756 /* For the purpose of shader images, treat cube maps and 3D 2757 * textures as 2D arrays. For 3D textures, the address 2758 * calculations for mipmaps are different, so we rely on the 2759 * caller to effectively disable mipmaps. 2760 */ 2761 type = V_008F1C_SQ_RSRC_IMG_2D_ARRAY; 2762 2763 assert(res->target != PIPE_TEXTURE_3D || (first_level == 0 && last_level == 0)); 2764 } else { 2765 type = si_tex_dim(res->target, target, res->nr_samples); 2766 } 2767 2768 if (type == V_008F1C_SQ_RSRC_IMG_1D_ARRAY) { 2769 height = 1; 2770 depth = res->array_size; 2771 } else if (type == V_008F1C_SQ_RSRC_IMG_2D_ARRAY || 2772 type == V_008F1C_SQ_RSRC_IMG_2D_MSAA_ARRAY) { 2773 if (sampler || res->target != PIPE_TEXTURE_3D) 2774 depth = res->array_size; 2775 } else if (type == V_008F1C_SQ_RSRC_IMG_CUBE) 2776 depth = res->array_size / 6; 2777 2778 state[0] = 0; 2779 state[1] = (S_008F14_DATA_FORMAT(data_format) | 2780 S_008F14_NUM_FORMAT(num_format)); 2781 state[2] = (S_008F18_WIDTH(width - 1) | 2782 S_008F18_HEIGHT(height - 1)); 2783 state[3] = (S_008F1C_DST_SEL_X(si_map_swizzle(swizzle[0])) | 2784 S_008F1C_DST_SEL_Y(si_map_swizzle(swizzle[1])) | 2785 S_008F1C_DST_SEL_Z(si_map_swizzle(swizzle[2])) | 2786 S_008F1C_DST_SEL_W(si_map_swizzle(swizzle[3])) | 2787 S_008F1C_BASE_LEVEL(res->nr_samples > 1 ? 2788 0 : first_level) | 2789 S_008F1C_LAST_LEVEL(res->nr_samples > 1 ? 2790 util_logbase2(res->nr_samples) : 2791 last_level) | 2792 S_008F1C_POW2_PAD(res->last_level > 0) | 2793 S_008F1C_TYPE(type)); 2794 state[4] = S_008F20_DEPTH(depth - 1); 2795 state[5] = (S_008F24_BASE_ARRAY(first_layer) | 2796 S_008F24_LAST_ARRAY(last_layer)); 2797 state[6] = 0; 2798 state[7] = 0; 2799 2800 if (tex->dcc_offset) { 2801 unsigned swap = r600_translate_colorswap(pipe_format, false); 2802 2803 state[6] = S_008F28_ALPHA_IS_ON_MSB(swap <= 1); 2804 } else { 2805 /* The last dword is unused by hw. The shader uses it to clear 2806 * bits in the first dword of sampler state. 2807 */ 2808 if (screen->b.chip_class <= CIK && res->nr_samples <= 1) { 2809 if (first_level == last_level) 2810 state[7] = C_008F30_MAX_ANISO_RATIO; 2811 else 2812 state[7] = 0xffffffff; 2813 } 2814 } 2815 2816 /* Initialize the sampler view for FMASK. */ 2817 if (tex->fmask.size) { 2818 uint32_t fmask_format; 2819 2820 va = tex->resource.gpu_address + tex->fmask.offset; 2821 2822 switch (res->nr_samples) { 2823 case 2: 2824 fmask_format = V_008F14_IMG_DATA_FORMAT_FMASK8_S2_F2; 2825 break; 2826 case 4: 2827 fmask_format = V_008F14_IMG_DATA_FORMAT_FMASK8_S4_F4; 2828 break; 2829 case 8: 2830 fmask_format = V_008F14_IMG_DATA_FORMAT_FMASK32_S8_F8; 2831 break; 2832 default: 2833 assert(0); 2834 fmask_format = V_008F14_IMG_DATA_FORMAT_INVALID; 2835 } 2836 2837 fmask_state[0] = va >> 8; 2838 fmask_state[1] = S_008F14_BASE_ADDRESS_HI(va >> 40) | 2839 S_008F14_DATA_FORMAT(fmask_format) | 2840 S_008F14_NUM_FORMAT(V_008F14_IMG_NUM_FORMAT_UINT); 2841 fmask_state[2] = S_008F18_WIDTH(width - 1) | 2842 S_008F18_HEIGHT(height - 1); 2843 fmask_state[3] = S_008F1C_DST_SEL_X(V_008F1C_SQ_SEL_X) | 2844 S_008F1C_DST_SEL_Y(V_008F1C_SQ_SEL_X) | 2845 S_008F1C_DST_SEL_Z(V_008F1C_SQ_SEL_X) | 2846 S_008F1C_DST_SEL_W(V_008F1C_SQ_SEL_X) | 2847 S_008F1C_TILING_INDEX(tex->fmask.tile_mode_index) | 2848 S_008F1C_TYPE(si_tex_dim(res->target, target, 0)); 2849 fmask_state[4] = S_008F20_DEPTH(depth - 1) | 2850 S_008F20_PITCH(tex->fmask.pitch_in_pixels - 1); 2851 fmask_state[5] = S_008F24_BASE_ARRAY(first_layer) | 2852 S_008F24_LAST_ARRAY(last_layer); 2853 fmask_state[6] = 0; 2854 fmask_state[7] = 0; 2855 } 2856} 2857 2858/** 2859 * Create a sampler view. 2860 * 2861 * @param ctx context 2862 * @param texture texture 2863 * @param state sampler view template 2864 * @param width0 width0 override (for compressed textures as int) 2865 * @param height0 height0 override (for compressed textures as int) 2866 * @param force_level set the base address to the level (for compressed textures) 2867 */ 2868struct pipe_sampler_view * 2869si_create_sampler_view_custom(struct pipe_context *ctx, 2870 struct pipe_resource *texture, 2871 const struct pipe_sampler_view *state, 2872 unsigned width0, unsigned height0, 2873 unsigned force_level) 2874{ 2875 struct si_context *sctx = (struct si_context*)ctx; 2876 struct si_sampler_view *view = CALLOC_STRUCT(si_sampler_view); 2877 struct r600_texture *tmp = (struct r600_texture*)texture; 2878 unsigned base_level, first_level, last_level; 2879 unsigned char state_swizzle[4]; 2880 unsigned height, depth, width; 2881 unsigned last_layer = state->u.tex.last_layer; 2882 enum pipe_format pipe_format; 2883 const struct radeon_surf_level *surflevel; 2884 2885 if (!view) 2886 return NULL; 2887 2888 /* initialize base object */ 2889 view->base = *state; 2890 view->base.texture = NULL; 2891 view->base.reference.count = 1; 2892 view->base.context = ctx; 2893 2894 /* NULL resource, obey swizzle (only ZERO and ONE make sense). */ 2895 if (!texture) { 2896 view->state[3] = S_008F1C_DST_SEL_X(si_map_swizzle(state->swizzle_r)) | 2897 S_008F1C_DST_SEL_Y(si_map_swizzle(state->swizzle_g)) | 2898 S_008F1C_DST_SEL_Z(si_map_swizzle(state->swizzle_b)) | 2899 S_008F1C_DST_SEL_W(si_map_swizzle(state->swizzle_a)) | 2900 S_008F1C_TYPE(V_008F1C_SQ_RSRC_IMG_1D); 2901 return &view->base; 2902 } 2903 2904 pipe_resource_reference(&view->base.texture, texture); 2905 2906 if (state->format == PIPE_FORMAT_X24S8_UINT || 2907 state->format == PIPE_FORMAT_S8X24_UINT || 2908 state->format == PIPE_FORMAT_X32_S8X24_UINT || 2909 state->format == PIPE_FORMAT_S8_UINT) 2910 view->is_stencil_sampler = true; 2911 2912 /* Buffer resource. */ 2913 if (texture->target == PIPE_BUFFER) { 2914 si_make_buffer_descriptor(sctx->screen, 2915 (struct r600_resource *)texture, 2916 state->format, 2917 state->u.buf.first_element, 2918 state->u.buf.last_element, 2919 view->state); 2920 2921 LIST_ADDTAIL(&view->list, &sctx->b.texture_buffers); 2922 return &view->base; 2923 } 2924 2925 state_swizzle[0] = state->swizzle_r; 2926 state_swizzle[1] = state->swizzle_g; 2927 state_swizzle[2] = state->swizzle_b; 2928 state_swizzle[3] = state->swizzle_a; 2929 2930 base_level = 0; 2931 first_level = state->u.tex.first_level; 2932 last_level = state->u.tex.last_level; 2933 width = width0; 2934 height = height0; 2935 depth = texture->depth0; 2936 2937 if (force_level) { 2938 assert(force_level == first_level && 2939 force_level == last_level); 2940 base_level = force_level; 2941 first_level = 0; 2942 last_level = 0; 2943 width = u_minify(width, force_level); 2944 height = u_minify(height, force_level); 2945 depth = u_minify(depth, force_level); 2946 } 2947 2948 /* This is not needed if state trackers set last_layer correctly. */ 2949 if (state->target == PIPE_TEXTURE_1D || 2950 state->target == PIPE_TEXTURE_2D || 2951 state->target == PIPE_TEXTURE_RECT || 2952 state->target == PIPE_TEXTURE_CUBE) 2953 last_layer = state->u.tex.first_layer; 2954 2955 /* Texturing with separate depth and stencil. */ 2956 pipe_format = state->format; 2957 surflevel = tmp->surface.level; 2958 2959 if (tmp->is_depth && !tmp->is_flushing_texture) { 2960 switch (pipe_format) { 2961 case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT: 2962 pipe_format = PIPE_FORMAT_Z32_FLOAT; 2963 break; 2964 case PIPE_FORMAT_X8Z24_UNORM: 2965 case PIPE_FORMAT_S8_UINT_Z24_UNORM: 2966 /* Z24 is always stored like this. */ 2967 pipe_format = PIPE_FORMAT_Z24X8_UNORM; 2968 break; 2969 case PIPE_FORMAT_X24S8_UINT: 2970 case PIPE_FORMAT_S8X24_UINT: 2971 case PIPE_FORMAT_X32_S8X24_UINT: 2972 pipe_format = PIPE_FORMAT_S8_UINT; 2973 surflevel = tmp->surface.stencil_level; 2974 break; 2975 default:; 2976 } 2977 } 2978 2979 si_make_texture_descriptor(sctx->screen, tmp, true, 2980 state->target, pipe_format, state_swizzle, 2981 first_level, last_level, 2982 state->u.tex.first_layer, last_layer, 2983 width, height, depth, 2984 view->state, view->fmask_state); 2985 2986 view->base_level_info = &surflevel[base_level]; 2987 view->base_level = base_level; 2988 view->block_width = util_format_get_blockwidth(pipe_format); 2989 return &view->base; 2990} 2991 2992static struct pipe_sampler_view * 2993si_create_sampler_view(struct pipe_context *ctx, 2994 struct pipe_resource *texture, 2995 const struct pipe_sampler_view *state) 2996{ 2997 return si_create_sampler_view_custom(ctx, texture, state, 2998 texture ? texture->width0 : 0, 2999 texture ? texture->height0 : 0, 0); 3000} 3001 3002static void si_sampler_view_destroy(struct pipe_context *ctx, 3003 struct pipe_sampler_view *state) 3004{ 3005 struct si_sampler_view *view = (struct si_sampler_view *)state; 3006 3007 if (state->texture && state->texture->target == PIPE_BUFFER) 3008 LIST_DELINIT(&view->list); 3009 3010 pipe_resource_reference(&state->texture, NULL); 3011 FREE(view); 3012} 3013 3014static bool wrap_mode_uses_border_color(unsigned wrap, bool linear_filter) 3015{ 3016 return wrap == PIPE_TEX_WRAP_CLAMP_TO_BORDER || 3017 wrap == PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER || 3018 (linear_filter && 3019 (wrap == PIPE_TEX_WRAP_CLAMP || 3020 wrap == PIPE_TEX_WRAP_MIRROR_CLAMP)); 3021} 3022 3023static bool sampler_state_needs_border_color(const struct pipe_sampler_state *state) 3024{ 3025 bool linear_filter = state->min_img_filter != PIPE_TEX_FILTER_NEAREST || 3026 state->mag_img_filter != PIPE_TEX_FILTER_NEAREST; 3027 3028 return (state->border_color.ui[0] || state->border_color.ui[1] || 3029 state->border_color.ui[2] || state->border_color.ui[3]) && 3030 (wrap_mode_uses_border_color(state->wrap_s, linear_filter) || 3031 wrap_mode_uses_border_color(state->wrap_t, linear_filter) || 3032 wrap_mode_uses_border_color(state->wrap_r, linear_filter)); 3033} 3034 3035static void *si_create_sampler_state(struct pipe_context *ctx, 3036 const struct pipe_sampler_state *state) 3037{ 3038 struct si_context *sctx = (struct si_context *)ctx; 3039 struct r600_common_screen *rscreen = sctx->b.screen; 3040 struct si_sampler_state *rstate = CALLOC_STRUCT(si_sampler_state); 3041 unsigned border_color_type, border_color_index = 0; 3042 unsigned max_aniso = rscreen->force_aniso >= 0 ? rscreen->force_aniso 3043 : state->max_anisotropy; 3044 unsigned max_aniso_ratio = r600_tex_aniso_filter(max_aniso); 3045 3046 if (!rstate) { 3047 return NULL; 3048 } 3049 3050 if (!sampler_state_needs_border_color(state)) 3051 border_color_type = V_008F3C_SQ_TEX_BORDER_COLOR_TRANS_BLACK; 3052 else if (state->border_color.f[0] == 0 && 3053 state->border_color.f[1] == 0 && 3054 state->border_color.f[2] == 0 && 3055 state->border_color.f[3] == 0) 3056 border_color_type = V_008F3C_SQ_TEX_BORDER_COLOR_TRANS_BLACK; 3057 else if (state->border_color.f[0] == 0 && 3058 state->border_color.f[1] == 0 && 3059 state->border_color.f[2] == 0 && 3060 state->border_color.f[3] == 1) 3061 border_color_type = V_008F3C_SQ_TEX_BORDER_COLOR_OPAQUE_BLACK; 3062 else if (state->border_color.f[0] == 1 && 3063 state->border_color.f[1] == 1 && 3064 state->border_color.f[2] == 1 && 3065 state->border_color.f[3] == 1) 3066 border_color_type = V_008F3C_SQ_TEX_BORDER_COLOR_OPAQUE_WHITE; 3067 else { 3068 int i; 3069 3070 border_color_type = V_008F3C_SQ_TEX_BORDER_COLOR_REGISTER; 3071 3072 /* Check if the border has been uploaded already. */ 3073 for (i = 0; i < sctx->border_color_count; i++) 3074 if (memcmp(&sctx->border_color_table[i], &state->border_color, 3075 sizeof(state->border_color)) == 0) 3076 break; 3077 3078 if (i >= SI_MAX_BORDER_COLORS) { 3079 /* Getting 4096 unique border colors is very unlikely. */ 3080 fprintf(stderr, "radeonsi: The border color table is full. " 3081 "Any new border colors will be just black. " 3082 "Please file a bug.\n"); 3083 border_color_type = V_008F3C_SQ_TEX_BORDER_COLOR_TRANS_BLACK; 3084 } else { 3085 if (i == sctx->border_color_count) { 3086 /* Upload a new border color. */ 3087 memcpy(&sctx->border_color_table[i], &state->border_color, 3088 sizeof(state->border_color)); 3089 util_memcpy_cpu_to_le32(&sctx->border_color_map[i], 3090 &state->border_color, 3091 sizeof(state->border_color)); 3092 sctx->border_color_count++; 3093 } 3094 3095 border_color_index = i; 3096 } 3097 } 3098 3099 rstate->val[0] = (S_008F30_CLAMP_X(si_tex_wrap(state->wrap_s)) | 3100 S_008F30_CLAMP_Y(si_tex_wrap(state->wrap_t)) | 3101 S_008F30_CLAMP_Z(si_tex_wrap(state->wrap_r)) | 3102 S_008F30_MAX_ANISO_RATIO(max_aniso_ratio) | 3103 S_008F30_DEPTH_COMPARE_FUNC(si_tex_compare(state->compare_func)) | 3104 S_008F30_FORCE_UNNORMALIZED(!state->normalized_coords) | 3105 S_008F30_DISABLE_CUBE_WRAP(!state->seamless_cube_map) | 3106 S_008F30_COMPAT_MODE(sctx->b.chip_class >= VI)); 3107 rstate->val[1] = (S_008F34_MIN_LOD(S_FIXED(CLAMP(state->min_lod, 0, 15), 8)) | 3108 S_008F34_MAX_LOD(S_FIXED(CLAMP(state->max_lod, 0, 15), 8))); 3109 rstate->val[2] = (S_008F38_LOD_BIAS(S_FIXED(CLAMP(state->lod_bias, -16, 16), 8)) | 3110 S_008F38_XY_MAG_FILTER(eg_tex_filter(state->mag_img_filter, max_aniso)) | 3111 S_008F38_XY_MIN_FILTER(eg_tex_filter(state->min_img_filter, max_aniso)) | 3112 S_008F38_MIP_FILTER(si_tex_mipfilter(state->min_mip_filter)) | 3113 S_008F38_MIP_POINT_PRECLAMP(1) | 3114 S_008F38_DISABLE_LSB_CEIL(1) | 3115 S_008F38_FILTER_PREC_FIX(1) | 3116 S_008F38_ANISO_OVERRIDE(sctx->b.chip_class >= VI)); 3117 rstate->val[3] = S_008F3C_BORDER_COLOR_PTR(border_color_index) | 3118 S_008F3C_BORDER_COLOR_TYPE(border_color_type); 3119 return rstate; 3120} 3121 3122static void si_set_sample_mask(struct pipe_context *ctx, unsigned sample_mask) 3123{ 3124 struct si_context *sctx = (struct si_context *)ctx; 3125 3126 if (sctx->sample_mask.sample_mask == (uint16_t)sample_mask) 3127 return; 3128 3129 sctx->sample_mask.sample_mask = sample_mask; 3130 si_mark_atom_dirty(sctx, &sctx->sample_mask.atom); 3131} 3132 3133static void si_emit_sample_mask(struct si_context *sctx, struct r600_atom *atom) 3134{ 3135 struct radeon_winsys_cs *cs = sctx->b.gfx.cs; 3136 unsigned mask = sctx->sample_mask.sample_mask; 3137 3138 radeon_set_context_reg_seq(cs, R_028C38_PA_SC_AA_MASK_X0Y0_X1Y0, 2); 3139 radeon_emit(cs, mask | (mask << 16)); 3140 radeon_emit(cs, mask | (mask << 16)); 3141} 3142 3143static void si_delete_sampler_state(struct pipe_context *ctx, void *state) 3144{ 3145 free(state); 3146} 3147 3148/* 3149 * Vertex elements & buffers 3150 */ 3151 3152static void *si_create_vertex_elements(struct pipe_context *ctx, 3153 unsigned count, 3154 const struct pipe_vertex_element *elements) 3155{ 3156 struct si_vertex_element *v = CALLOC_STRUCT(si_vertex_element); 3157 int i; 3158 3159 assert(count <= SI_MAX_ATTRIBS); 3160 if (!v) 3161 return NULL; 3162 3163 v->count = count; 3164 for (i = 0; i < count; ++i) { 3165 const struct util_format_description *desc; 3166 unsigned data_format, num_format; 3167 int first_non_void; 3168 3169 desc = util_format_description(elements[i].src_format); 3170 first_non_void = util_format_get_first_non_void_channel(elements[i].src_format); 3171 data_format = si_translate_buffer_dataformat(ctx->screen, desc, first_non_void); 3172 num_format = si_translate_buffer_numformat(ctx->screen, desc, first_non_void); 3173 3174 v->rsrc_word3[i] = S_008F0C_DST_SEL_X(si_map_swizzle(desc->swizzle[0])) | 3175 S_008F0C_DST_SEL_Y(si_map_swizzle(desc->swizzle[1])) | 3176 S_008F0C_DST_SEL_Z(si_map_swizzle(desc->swizzle[2])) | 3177 S_008F0C_DST_SEL_W(si_map_swizzle(desc->swizzle[3])) | 3178 S_008F0C_NUM_FORMAT(num_format) | 3179 S_008F0C_DATA_FORMAT(data_format); 3180 v->format_size[i] = desc->block.bits / 8; 3181 } 3182 memcpy(v->elements, elements, sizeof(struct pipe_vertex_element) * count); 3183 3184 return v; 3185} 3186 3187static void si_bind_vertex_elements(struct pipe_context *ctx, void *state) 3188{ 3189 struct si_context *sctx = (struct si_context *)ctx; 3190 struct si_vertex_element *v = (struct si_vertex_element*)state; 3191 3192 sctx->vertex_elements = v; 3193 sctx->vertex_buffers_dirty = true; 3194} 3195 3196static void si_delete_vertex_element(struct pipe_context *ctx, void *state) 3197{ 3198 struct si_context *sctx = (struct si_context *)ctx; 3199 3200 if (sctx->vertex_elements == state) 3201 sctx->vertex_elements = NULL; 3202 FREE(state); 3203} 3204 3205static void si_set_vertex_buffers(struct pipe_context *ctx, 3206 unsigned start_slot, unsigned count, 3207 const struct pipe_vertex_buffer *buffers) 3208{ 3209 struct si_context *sctx = (struct si_context *)ctx; 3210 struct pipe_vertex_buffer *dst = sctx->vertex_buffer + start_slot; 3211 int i; 3212 3213 assert(start_slot + count <= ARRAY_SIZE(sctx->vertex_buffer)); 3214 3215 if (buffers) { 3216 for (i = 0; i < count; i++) { 3217 const struct pipe_vertex_buffer *src = buffers + i; 3218 struct pipe_vertex_buffer *dsti = dst + i; 3219 3220 pipe_resource_reference(&dsti->buffer, src->buffer); 3221 dsti->buffer_offset = src->buffer_offset; 3222 dsti->stride = src->stride; 3223 r600_context_add_resource_size(ctx, src->buffer); 3224 } 3225 } else { 3226 for (i = 0; i < count; i++) { 3227 pipe_resource_reference(&dst[i].buffer, NULL); 3228 } 3229 } 3230 sctx->vertex_buffers_dirty = true; 3231} 3232 3233static void si_set_index_buffer(struct pipe_context *ctx, 3234 const struct pipe_index_buffer *ib) 3235{ 3236 struct si_context *sctx = (struct si_context *)ctx; 3237 3238 if (ib) { 3239 pipe_resource_reference(&sctx->index_buffer.buffer, ib->buffer); 3240 memcpy(&sctx->index_buffer, ib, sizeof(*ib)); 3241 r600_context_add_resource_size(ctx, ib->buffer); 3242 } else { 3243 pipe_resource_reference(&sctx->index_buffer.buffer, NULL); 3244 } 3245} 3246 3247/* 3248 * Misc 3249 */ 3250 3251static void si_set_tess_state(struct pipe_context *ctx, 3252 const float default_outer_level[4], 3253 const float default_inner_level[2]) 3254{ 3255 struct si_context *sctx = (struct si_context *)ctx; 3256 struct pipe_constant_buffer cb; 3257 float array[8]; 3258 3259 memcpy(array, default_outer_level, sizeof(float) * 4); 3260 memcpy(array+4, default_inner_level, sizeof(float) * 2); 3261 3262 cb.buffer = NULL; 3263 cb.user_buffer = NULL; 3264 cb.buffer_size = sizeof(array); 3265 3266 si_upload_const_buffer(sctx, (struct r600_resource**)&cb.buffer, 3267 (void*)array, sizeof(array), 3268 &cb.buffer_offset); 3269 3270 si_set_rw_buffer(sctx, SI_HS_CONST_DEFAULT_TESS_LEVELS, &cb); 3271 pipe_resource_reference(&cb.buffer, NULL); 3272} 3273 3274static void si_texture_barrier(struct pipe_context *ctx) 3275{ 3276 struct si_context *sctx = (struct si_context *)ctx; 3277 3278 sctx->b.flags |= SI_CONTEXT_INV_VMEM_L1 | 3279 SI_CONTEXT_INV_GLOBAL_L2 | 3280 SI_CONTEXT_FLUSH_AND_INV_CB | 3281 SI_CONTEXT_CS_PARTIAL_FLUSH; 3282} 3283 3284static void si_memory_barrier(struct pipe_context *ctx, unsigned flags) 3285{ 3286 struct si_context *sctx = (struct si_context *)ctx; 3287 3288 /* Subsequent commands must wait for all shader invocations to 3289 * complete. */ 3290 sctx->b.flags |= SI_CONTEXT_PS_PARTIAL_FLUSH | 3291 SI_CONTEXT_CS_PARTIAL_FLUSH; 3292 3293 if (flags & PIPE_BARRIER_CONSTANT_BUFFER) 3294 sctx->b.flags |= SI_CONTEXT_INV_SMEM_L1 | 3295 SI_CONTEXT_INV_VMEM_L1; 3296 3297 if (flags & (PIPE_BARRIER_VERTEX_BUFFER | 3298 PIPE_BARRIER_SHADER_BUFFER | 3299 PIPE_BARRIER_TEXTURE | 3300 PIPE_BARRIER_IMAGE | 3301 PIPE_BARRIER_STREAMOUT_BUFFER | 3302 PIPE_BARRIER_GLOBAL_BUFFER)) { 3303 /* As far as I can tell, L1 contents are written back to L2 3304 * automatically at end of shader, but the contents of other 3305 * L1 caches might still be stale. */ 3306 sctx->b.flags |= SI_CONTEXT_INV_VMEM_L1; 3307 } 3308 3309 if (flags & PIPE_BARRIER_INDEX_BUFFER) { 3310 sctx->b.flags |= SI_CONTEXT_INV_VMEM_L1; 3311 3312 /* Indices are read through TC L2 since VI. */ 3313 if (sctx->screen->b.chip_class <= CIK) 3314 sctx->b.flags |= SI_CONTEXT_INV_GLOBAL_L2; 3315 } 3316 3317 if (flags & PIPE_BARRIER_FRAMEBUFFER) 3318 sctx->b.flags |= SI_CONTEXT_FLUSH_AND_INV_FRAMEBUFFER; 3319 3320 if (flags & (PIPE_BARRIER_MAPPED_BUFFER | 3321 PIPE_BARRIER_FRAMEBUFFER | 3322 PIPE_BARRIER_INDIRECT_BUFFER)) { 3323 /* Not sure if INV_GLOBAL_L2 is the best thing here. 3324 * 3325 * We need to make sure that TC L1 & L2 are written back to 3326 * memory, because neither CPU accesses nor CB fetches consider 3327 * TC, but there's no need to invalidate any TC cache lines. */ 3328 sctx->b.flags |= SI_CONTEXT_INV_GLOBAL_L2; 3329 } 3330} 3331 3332static void *si_create_blend_custom(struct si_context *sctx, unsigned mode) 3333{ 3334 struct pipe_blend_state blend; 3335 3336 memset(&blend, 0, sizeof(blend)); 3337 blend.independent_blend_enable = true; 3338 blend.rt[0].colormask = 0xf; 3339 return si_create_blend_state_mode(&sctx->b.b, &blend, mode); 3340} 3341 3342static void si_need_gfx_cs_space(struct pipe_context *ctx, unsigned num_dw, 3343 bool include_draw_vbo) 3344{ 3345 si_need_cs_space((struct si_context*)ctx); 3346} 3347 3348static void si_init_config(struct si_context *sctx); 3349 3350void si_init_state_functions(struct si_context *sctx) 3351{ 3352 si_init_external_atom(sctx, &sctx->b.render_cond_atom, &sctx->atoms.s.render_cond); 3353 si_init_external_atom(sctx, &sctx->b.streamout.begin_atom, &sctx->atoms.s.streamout_begin); 3354 si_init_external_atom(sctx, &sctx->b.streamout.enable_atom, &sctx->atoms.s.streamout_enable); 3355 si_init_external_atom(sctx, &sctx->b.scissors.atom, &sctx->atoms.s.scissors); 3356 si_init_external_atom(sctx, &sctx->b.viewports.atom, &sctx->atoms.s.viewports); 3357 3358 si_init_atom(sctx, &sctx->cache_flush, &sctx->atoms.s.cache_flush, si_emit_cache_flush); 3359 si_init_atom(sctx, &sctx->framebuffer.atom, &sctx->atoms.s.framebuffer, si_emit_framebuffer_state); 3360 si_init_atom(sctx, &sctx->msaa_sample_locs, &sctx->atoms.s.msaa_sample_locs, si_emit_msaa_sample_locs); 3361 si_init_atom(sctx, &sctx->db_render_state, &sctx->atoms.s.db_render_state, si_emit_db_render_state); 3362 si_init_atom(sctx, &sctx->msaa_config, &sctx->atoms.s.msaa_config, si_emit_msaa_config); 3363 si_init_atom(sctx, &sctx->sample_mask.atom, &sctx->atoms.s.sample_mask, si_emit_sample_mask); 3364 si_init_atom(sctx, &sctx->cb_render_state, &sctx->atoms.s.cb_render_state, si_emit_cb_render_state); 3365 si_init_atom(sctx, &sctx->blend_color.atom, &sctx->atoms.s.blend_color, si_emit_blend_color); 3366 si_init_atom(sctx, &sctx->clip_regs, &sctx->atoms.s.clip_regs, si_emit_clip_regs); 3367 si_init_atom(sctx, &sctx->clip_state.atom, &sctx->atoms.s.clip_state, si_emit_clip_state); 3368 si_init_atom(sctx, &sctx->stencil_ref.atom, &sctx->atoms.s.stencil_ref, si_emit_stencil_ref); 3369 3370 sctx->b.b.create_blend_state = si_create_blend_state; 3371 sctx->b.b.bind_blend_state = si_bind_blend_state; 3372 sctx->b.b.delete_blend_state = si_delete_blend_state; 3373 sctx->b.b.set_blend_color = si_set_blend_color; 3374 3375 sctx->b.b.create_rasterizer_state = si_create_rs_state; 3376 sctx->b.b.bind_rasterizer_state = si_bind_rs_state; 3377 sctx->b.b.delete_rasterizer_state = si_delete_rs_state; 3378 3379 sctx->b.b.create_depth_stencil_alpha_state = si_create_dsa_state; 3380 sctx->b.b.bind_depth_stencil_alpha_state = si_bind_dsa_state; 3381 sctx->b.b.delete_depth_stencil_alpha_state = si_delete_dsa_state; 3382 3383 sctx->custom_dsa_flush = si_create_db_flush_dsa(sctx); 3384 sctx->custom_blend_resolve = si_create_blend_custom(sctx, V_028808_CB_RESOLVE); 3385 sctx->custom_blend_decompress = si_create_blend_custom(sctx, V_028808_CB_FMASK_DECOMPRESS); 3386 sctx->custom_blend_fastclear = si_create_blend_custom(sctx, V_028808_CB_ELIMINATE_FAST_CLEAR); 3387 sctx->custom_blend_dcc_decompress = si_create_blend_custom(sctx, V_028808_CB_DCC_DECOMPRESS); 3388 3389 sctx->b.b.set_clip_state = si_set_clip_state; 3390 sctx->b.b.set_stencil_ref = si_set_stencil_ref; 3391 3392 sctx->b.b.set_framebuffer_state = si_set_framebuffer_state; 3393 sctx->b.b.get_sample_position = cayman_get_sample_position; 3394 3395 sctx->b.b.create_sampler_state = si_create_sampler_state; 3396 sctx->b.b.delete_sampler_state = si_delete_sampler_state; 3397 3398 sctx->b.b.create_sampler_view = si_create_sampler_view; 3399 sctx->b.b.sampler_view_destroy = si_sampler_view_destroy; 3400 3401 sctx->b.b.set_sample_mask = si_set_sample_mask; 3402 3403 sctx->b.b.create_vertex_elements_state = si_create_vertex_elements; 3404 sctx->b.b.bind_vertex_elements_state = si_bind_vertex_elements; 3405 sctx->b.b.delete_vertex_elements_state = si_delete_vertex_element; 3406 sctx->b.b.set_vertex_buffers = si_set_vertex_buffers; 3407 sctx->b.b.set_index_buffer = si_set_index_buffer; 3408 3409 sctx->b.b.texture_barrier = si_texture_barrier; 3410 sctx->b.b.memory_barrier = si_memory_barrier; 3411 sctx->b.b.set_min_samples = si_set_min_samples; 3412 sctx->b.b.set_tess_state = si_set_tess_state; 3413 3414 sctx->b.b.set_active_query_state = si_set_active_query_state; 3415 sctx->b.set_occlusion_query_state = si_set_occlusion_query_state; 3416 sctx->b.need_gfx_cs_space = si_need_gfx_cs_space; 3417 3418 sctx->b.b.draw_vbo = si_draw_vbo; 3419 3420 si_init_config(sctx); 3421} 3422 3423static uint32_t si_get_bo_metadata_word1(struct r600_common_screen *rscreen) 3424{ 3425 return (ATI_VENDOR_ID << 16) | rscreen->info.pci_id; 3426} 3427 3428static void si_query_opaque_metadata(struct r600_common_screen *rscreen, 3429 struct r600_texture *rtex, 3430 struct radeon_bo_metadata *md) 3431{ 3432 struct si_screen *sscreen = (struct si_screen*)rscreen; 3433 struct pipe_resource *res = &rtex->resource.b.b; 3434 static const unsigned char swizzle[] = { 3435 PIPE_SWIZZLE_X, 3436 PIPE_SWIZZLE_Y, 3437 PIPE_SWIZZLE_Z, 3438 PIPE_SWIZZLE_W 3439 }; 3440 uint32_t desc[8], i; 3441 bool is_array = util_resource_is_array_texture(res); 3442 3443 /* DRM 2.x.x doesn't support this. */ 3444 if (rscreen->info.drm_major != 3) 3445 return; 3446 3447 assert(rtex->fmask.size == 0); 3448 3449 /* Metadata image format format version 1: 3450 * [0] = 1 (metadata format identifier) 3451 * [1] = (VENDOR_ID << 16) | PCI_ID 3452 * [2:9] = image descriptor for the whole resource 3453 * [2] is always 0, because the base address is cleared 3454 * [9] is the DCC offset bits [39:8] from the beginning of 3455 * the buffer 3456 * [10:10+LAST_LEVEL] = mipmap level offset bits [39:8] for each level 3457 */ 3458 3459 md->metadata[0] = 1; /* metadata image format version 1 */ 3460 3461 /* TILE_MODE_INDEX is ambiguous without a PCI ID. */ 3462 md->metadata[1] = si_get_bo_metadata_word1(rscreen); 3463 3464 si_make_texture_descriptor(sscreen, rtex, true, 3465 res->target, res->format, 3466 swizzle, 0, res->last_level, 0, 3467 is_array ? res->array_size - 1 : 0, 3468 res->width0, res->height0, res->depth0, 3469 desc, NULL); 3470 3471 si_set_mutable_tex_desc_fields(rtex, &rtex->surface.level[0], 0, 0, 3472 rtex->surface.blk_w, false, desc); 3473 3474 /* Clear the base address and set the relative DCC offset. */ 3475 desc[0] = 0; 3476 desc[1] &= C_008F14_BASE_ADDRESS_HI; 3477 desc[7] = rtex->dcc_offset >> 8; 3478 3479 /* Dwords [2:9] contain the image descriptor. */ 3480 memcpy(&md->metadata[2], desc, sizeof(desc)); 3481 3482 /* Dwords [10:..] contain the mipmap level offsets. */ 3483 for (i = 0; i <= res->last_level; i++) 3484 md->metadata[10+i] = rtex->surface.level[i].offset >> 8; 3485 3486 md->size_metadata = (11 + res->last_level) * 4; 3487} 3488 3489static void si_apply_opaque_metadata(struct r600_common_screen *rscreen, 3490 struct r600_texture *rtex, 3491 struct radeon_bo_metadata *md) 3492{ 3493 uint32_t *desc = &md->metadata[2]; 3494 3495 if (rscreen->chip_class < VI) 3496 return; 3497 3498 /* Return if DCC is enabled. The texture should be set up with it 3499 * already. 3500 */ 3501 if (md->size_metadata >= 11 * 4 && 3502 md->metadata[0] != 0 && 3503 md->metadata[1] == si_get_bo_metadata_word1(rscreen) && 3504 G_008F28_COMPRESSION_EN(desc[6])) { 3505 assert(rtex->dcc_offset == ((uint64_t)desc[7] << 8)); 3506 return; 3507 } 3508 3509 /* Disable DCC. These are always set by texture_from_handle and must 3510 * be cleared here. 3511 */ 3512 rtex->dcc_offset = 0; 3513} 3514 3515void si_init_screen_state_functions(struct si_screen *sscreen) 3516{ 3517 sscreen->b.query_opaque_metadata = si_query_opaque_metadata; 3518 sscreen->b.apply_opaque_metadata = si_apply_opaque_metadata; 3519} 3520 3521static void 3522si_write_harvested_raster_configs(struct si_context *sctx, 3523 struct si_pm4_state *pm4, 3524 unsigned raster_config, 3525 unsigned raster_config_1) 3526{ 3527 unsigned sh_per_se = MAX2(sctx->screen->b.info.max_sh_per_se, 1); 3528 unsigned num_se = MAX2(sctx->screen->b.info.max_se, 1); 3529 unsigned rb_mask = sctx->screen->b.info.enabled_rb_mask; 3530 unsigned num_rb = MIN2(sctx->screen->b.info.num_render_backends, 16); 3531 unsigned rb_per_pkr = MIN2(num_rb / num_se / sh_per_se, 2); 3532 unsigned rb_per_se = num_rb / num_se; 3533 unsigned se_mask[4]; 3534 unsigned se; 3535 3536 se_mask[0] = ((1 << rb_per_se) - 1); 3537 se_mask[1] = (se_mask[0] << rb_per_se); 3538 se_mask[2] = (se_mask[1] << rb_per_se); 3539 se_mask[3] = (se_mask[2] << rb_per_se); 3540 3541 se_mask[0] &= rb_mask; 3542 se_mask[1] &= rb_mask; 3543 se_mask[2] &= rb_mask; 3544 se_mask[3] &= rb_mask; 3545 3546 assert(num_se == 1 || num_se == 2 || num_se == 4); 3547 assert(sh_per_se == 1 || sh_per_se == 2); 3548 assert(rb_per_pkr == 1 || rb_per_pkr == 2); 3549 3550 /* XXX: I can't figure out what the *_XSEL and *_YSEL 3551 * fields are for, so I'm leaving them as their default 3552 * values. */ 3553 3554 for (se = 0; se < num_se; se++) { 3555 unsigned raster_config_se = raster_config; 3556 unsigned pkr0_mask = ((1 << rb_per_pkr) - 1) << (se * rb_per_se); 3557 unsigned pkr1_mask = pkr0_mask << rb_per_pkr; 3558 int idx = (se / 2) * 2; 3559 3560 if ((num_se > 1) && (!se_mask[idx] || !se_mask[idx + 1])) { 3561 raster_config_se &= C_028350_SE_MAP; 3562 3563 if (!se_mask[idx]) { 3564 raster_config_se |= 3565 S_028350_SE_MAP(V_028350_RASTER_CONFIG_SE_MAP_3); 3566 } else { 3567 raster_config_se |= 3568 S_028350_SE_MAP(V_028350_RASTER_CONFIG_SE_MAP_0); 3569 } 3570 } 3571 3572 pkr0_mask &= rb_mask; 3573 pkr1_mask &= rb_mask; 3574 if (rb_per_se > 2 && (!pkr0_mask || !pkr1_mask)) { 3575 raster_config_se &= C_028350_PKR_MAP; 3576 3577 if (!pkr0_mask) { 3578 raster_config_se |= 3579 S_028350_PKR_MAP(V_028350_RASTER_CONFIG_PKR_MAP_3); 3580 } else { 3581 raster_config_se |= 3582 S_028350_PKR_MAP(V_028350_RASTER_CONFIG_PKR_MAP_0); 3583 } 3584 } 3585 3586 if (rb_per_se >= 2) { 3587 unsigned rb0_mask = 1 << (se * rb_per_se); 3588 unsigned rb1_mask = rb0_mask << 1; 3589 3590 rb0_mask &= rb_mask; 3591 rb1_mask &= rb_mask; 3592 if (!rb0_mask || !rb1_mask) { 3593 raster_config_se &= C_028350_RB_MAP_PKR0; 3594 3595 if (!rb0_mask) { 3596 raster_config_se |= 3597 S_028350_RB_MAP_PKR0(V_028350_RASTER_CONFIG_RB_MAP_3); 3598 } else { 3599 raster_config_se |= 3600 S_028350_RB_MAP_PKR0(V_028350_RASTER_CONFIG_RB_MAP_0); 3601 } 3602 } 3603 3604 if (rb_per_se > 2) { 3605 rb0_mask = 1 << (se * rb_per_se + rb_per_pkr); 3606 rb1_mask = rb0_mask << 1; 3607 rb0_mask &= rb_mask; 3608 rb1_mask &= rb_mask; 3609 if (!rb0_mask || !rb1_mask) { 3610 raster_config_se &= C_028350_RB_MAP_PKR1; 3611 3612 if (!rb0_mask) { 3613 raster_config_se |= 3614 S_028350_RB_MAP_PKR1(V_028350_RASTER_CONFIG_RB_MAP_3); 3615 } else { 3616 raster_config_se |= 3617 S_028350_RB_MAP_PKR1(V_028350_RASTER_CONFIG_RB_MAP_0); 3618 } 3619 } 3620 } 3621 } 3622 3623 /* GRBM_GFX_INDEX has a different offset on SI and CI+ */ 3624 if (sctx->b.chip_class < CIK) 3625 si_pm4_set_reg(pm4, GRBM_GFX_INDEX, 3626 SE_INDEX(se) | SH_BROADCAST_WRITES | 3627 INSTANCE_BROADCAST_WRITES); 3628 else 3629 si_pm4_set_reg(pm4, R_030800_GRBM_GFX_INDEX, 3630 S_030800_SE_INDEX(se) | S_030800_SH_BROADCAST_WRITES(1) | 3631 S_030800_INSTANCE_BROADCAST_WRITES(1)); 3632 si_pm4_set_reg(pm4, R_028350_PA_SC_RASTER_CONFIG, raster_config_se); 3633 } 3634 3635 /* GRBM_GFX_INDEX has a different offset on SI and CI+ */ 3636 if (sctx->b.chip_class < CIK) 3637 si_pm4_set_reg(pm4, GRBM_GFX_INDEX, 3638 SE_BROADCAST_WRITES | SH_BROADCAST_WRITES | 3639 INSTANCE_BROADCAST_WRITES); 3640 else { 3641 si_pm4_set_reg(pm4, R_030800_GRBM_GFX_INDEX, 3642 S_030800_SE_BROADCAST_WRITES(1) | S_030800_SH_BROADCAST_WRITES(1) | 3643 S_030800_INSTANCE_BROADCAST_WRITES(1)); 3644 3645 if ((num_se > 2) && ((!se_mask[0] && !se_mask[1]) || 3646 (!se_mask[2] && !se_mask[3]))) { 3647 raster_config_1 &= C_028354_SE_PAIR_MAP; 3648 3649 if (!se_mask[0] && !se_mask[1]) { 3650 raster_config_1 |= 3651 S_028354_SE_PAIR_MAP(V_028354_RASTER_CONFIG_SE_PAIR_MAP_3); 3652 } else { 3653 raster_config_1 |= 3654 S_028354_SE_PAIR_MAP(V_028354_RASTER_CONFIG_SE_PAIR_MAP_0); 3655 } 3656 } 3657 3658 si_pm4_set_reg(pm4, R_028354_PA_SC_RASTER_CONFIG_1, raster_config_1); 3659 } 3660} 3661 3662static void si_init_config(struct si_context *sctx) 3663{ 3664 struct si_screen *sscreen = sctx->screen; 3665 unsigned num_rb = MIN2(sctx->screen->b.info.num_render_backends, 16); 3666 unsigned rb_mask = sctx->screen->b.info.enabled_rb_mask; 3667 unsigned raster_config, raster_config_1; 3668 uint64_t border_color_va = sctx->border_color_buffer->gpu_address; 3669 struct si_pm4_state *pm4 = CALLOC_STRUCT(si_pm4_state); 3670 int i; 3671 3672 if (!pm4) 3673 return; 3674 3675 si_pm4_cmd_begin(pm4, PKT3_CONTEXT_CONTROL); 3676 si_pm4_cmd_add(pm4, CONTEXT_CONTROL_LOAD_ENABLE(1)); 3677 si_pm4_cmd_add(pm4, CONTEXT_CONTROL_SHADOW_ENABLE(1)); 3678 si_pm4_cmd_end(pm4, false); 3679 3680 si_pm4_set_reg(pm4, R_028A18_VGT_HOS_MAX_TESS_LEVEL, fui(64)); 3681 si_pm4_set_reg(pm4, R_028A1C_VGT_HOS_MIN_TESS_LEVEL, fui(0)); 3682 3683 /* FIXME calculate these values somehow ??? */ 3684 si_pm4_set_reg(pm4, R_028A54_VGT_GS_PER_ES, SI_GS_PER_ES); 3685 si_pm4_set_reg(pm4, R_028A58_VGT_ES_PER_GS, 0x40); 3686 si_pm4_set_reg(pm4, R_028A5C_VGT_GS_PER_VS, 0x2); 3687 3688 si_pm4_set_reg(pm4, R_028A8C_VGT_PRIMITIVEID_RESET, 0x0); 3689 si_pm4_set_reg(pm4, R_028B28_VGT_STRMOUT_DRAW_OPAQUE_OFFSET, 0); 3690 3691 si_pm4_set_reg(pm4, R_028B98_VGT_STRMOUT_BUFFER_CONFIG, 0x0); 3692 si_pm4_set_reg(pm4, R_028AB8_VGT_VTX_CNT_EN, 0x0); 3693 if (sctx->b.chip_class < CIK) 3694 si_pm4_set_reg(pm4, R_008A14_PA_CL_ENHANCE, S_008A14_NUM_CLIP_SEQ(3) | 3695 S_008A14_CLIP_VTX_REORDER_ENA(1)); 3696 3697 si_pm4_set_reg(pm4, R_028BD4_PA_SC_CENTROID_PRIORITY_0, 0x76543210); 3698 si_pm4_set_reg(pm4, R_028BD8_PA_SC_CENTROID_PRIORITY_1, 0xfedcba98); 3699 3700 si_pm4_set_reg(pm4, R_02882C_PA_SU_PRIM_FILTER_CNTL, 0); 3701 3702 for (i = 0; i < 16; i++) { 3703 si_pm4_set_reg(pm4, R_0282D0_PA_SC_VPORT_ZMIN_0 + i*8, 0); 3704 si_pm4_set_reg(pm4, R_0282D4_PA_SC_VPORT_ZMAX_0 + i*8, fui(1.0)); 3705 } 3706 3707 switch (sctx->screen->b.family) { 3708 case CHIP_TAHITI: 3709 case CHIP_PITCAIRN: 3710 raster_config = 0x2a00126a; 3711 raster_config_1 = 0x00000000; 3712 break; 3713 case CHIP_VERDE: 3714 raster_config = 0x0000124a; 3715 raster_config_1 = 0x00000000; 3716 break; 3717 case CHIP_OLAND: 3718 raster_config = 0x00000082; 3719 raster_config_1 = 0x00000000; 3720 break; 3721 case CHIP_HAINAN: 3722 raster_config = 0x00000000; 3723 raster_config_1 = 0x00000000; 3724 break; 3725 case CHIP_BONAIRE: 3726 raster_config = 0x16000012; 3727 raster_config_1 = 0x00000000; 3728 break; 3729 case CHIP_HAWAII: 3730 raster_config = 0x3a00161a; 3731 raster_config_1 = 0x0000002e; 3732 break; 3733 case CHIP_FIJI: 3734 if (sscreen->b.info.cik_macrotile_mode_array[0] == 0x000000e8) { 3735 /* old kernels with old tiling config */ 3736 raster_config = 0x16000012; 3737 raster_config_1 = 0x0000002a; 3738 } else { 3739 raster_config = 0x3a00161a; 3740 raster_config_1 = 0x0000002e; 3741 } 3742 break; 3743 case CHIP_POLARIS10: 3744 raster_config = 0x16000012; 3745 raster_config_1 = 0x0000002a; 3746 break; 3747 case CHIP_POLARIS11: 3748 raster_config = 0x16000012; 3749 raster_config_1 = 0x00000000; 3750 break; 3751 case CHIP_TONGA: 3752 raster_config = 0x16000012; 3753 raster_config_1 = 0x0000002a; 3754 break; 3755 case CHIP_ICELAND: 3756 if (num_rb == 1) 3757 raster_config = 0x00000000; 3758 else 3759 raster_config = 0x00000002; 3760 raster_config_1 = 0x00000000; 3761 break; 3762 case CHIP_CARRIZO: 3763 raster_config = 0x00000002; 3764 raster_config_1 = 0x00000000; 3765 break; 3766 case CHIP_KAVERI: 3767 /* KV should be 0x00000002, but that causes problems with radeon */ 3768 raster_config = 0x00000000; /* 0x00000002 */ 3769 raster_config_1 = 0x00000000; 3770 break; 3771 case CHIP_KABINI: 3772 case CHIP_MULLINS: 3773 case CHIP_STONEY: 3774 raster_config = 0x00000000; 3775 raster_config_1 = 0x00000000; 3776 break; 3777 default: 3778 fprintf(stderr, 3779 "radeonsi: Unknown GPU, using 0 for raster_config\n"); 3780 raster_config = 0x00000000; 3781 raster_config_1 = 0x00000000; 3782 break; 3783 } 3784 3785 /* Always use the default config when all backends are enabled 3786 * (or when we failed to determine the enabled backends). 3787 */ 3788 if (!rb_mask || util_bitcount(rb_mask) >= num_rb) { 3789 si_pm4_set_reg(pm4, R_028350_PA_SC_RASTER_CONFIG, 3790 raster_config); 3791 if (sctx->b.chip_class >= CIK) 3792 si_pm4_set_reg(pm4, R_028354_PA_SC_RASTER_CONFIG_1, 3793 raster_config_1); 3794 } else { 3795 si_write_harvested_raster_configs(sctx, pm4, raster_config, raster_config_1); 3796 } 3797 3798 si_pm4_set_reg(pm4, R_028204_PA_SC_WINDOW_SCISSOR_TL, S_028204_WINDOW_OFFSET_DISABLE(1)); 3799 si_pm4_set_reg(pm4, R_028240_PA_SC_GENERIC_SCISSOR_TL, S_028240_WINDOW_OFFSET_DISABLE(1)); 3800 si_pm4_set_reg(pm4, R_028244_PA_SC_GENERIC_SCISSOR_BR, 3801 S_028244_BR_X(16384) | S_028244_BR_Y(16384)); 3802 si_pm4_set_reg(pm4, R_028030_PA_SC_SCREEN_SCISSOR_TL, 0); 3803 si_pm4_set_reg(pm4, R_028034_PA_SC_SCREEN_SCISSOR_BR, 3804 S_028034_BR_X(16384) | S_028034_BR_Y(16384)); 3805 3806 si_pm4_set_reg(pm4, R_02820C_PA_SC_CLIPRECT_RULE, 0xFFFF); 3807 si_pm4_set_reg(pm4, R_028230_PA_SC_EDGERULE, 0xAAAAAAAA); 3808 /* PA_SU_HARDWARE_SCREEN_OFFSET must be 0 due to hw bug on SI */ 3809 si_pm4_set_reg(pm4, R_028234_PA_SU_HARDWARE_SCREEN_OFFSET, 0); 3810 si_pm4_set_reg(pm4, R_028820_PA_CL_NANINF_CNTL, 0); 3811 si_pm4_set_reg(pm4, R_028AC0_DB_SRESULTS_COMPARE_STATE0, 0x0); 3812 si_pm4_set_reg(pm4, R_028AC4_DB_SRESULTS_COMPARE_STATE1, 0x0); 3813 si_pm4_set_reg(pm4, R_028AC8_DB_PRELOAD_CONTROL, 0x0); 3814 si_pm4_set_reg(pm4, R_02800C_DB_RENDER_OVERRIDE, 3815 S_02800C_FORCE_HIS_ENABLE0(V_02800C_FORCE_DISABLE) | 3816 S_02800C_FORCE_HIS_ENABLE1(V_02800C_FORCE_DISABLE)); 3817 3818 si_pm4_set_reg(pm4, R_028400_VGT_MAX_VTX_INDX, ~0); 3819 si_pm4_set_reg(pm4, R_028404_VGT_MIN_VTX_INDX, 0); 3820 si_pm4_set_reg(pm4, R_028408_VGT_INDX_OFFSET, 0); 3821 3822 if (sctx->b.chip_class >= CIK) { 3823 si_pm4_set_reg(pm4, R_00B41C_SPI_SHADER_PGM_RSRC3_HS, 0); 3824 si_pm4_set_reg(pm4, R_00B31C_SPI_SHADER_PGM_RSRC3_ES, S_00B31C_CU_EN(0xffff)); 3825 si_pm4_set_reg(pm4, R_00B21C_SPI_SHADER_PGM_RSRC3_GS, S_00B21C_CU_EN(0xffff)); 3826 3827 if (sscreen->b.info.num_good_compute_units / 3828 (sscreen->b.info.max_se * sscreen->b.info.max_sh_per_se) <= 4) { 3829 /* Too few available compute units per SH. Disallowing 3830 * VS to run on CU0 could hurt us more than late VS 3831 * allocation would help. 3832 * 3833 * LATE_ALLOC_VS = 2 is the highest safe number. 3834 */ 3835 si_pm4_set_reg(pm4, R_00B51C_SPI_SHADER_PGM_RSRC3_LS, S_00B51C_CU_EN(0xffff)); 3836 si_pm4_set_reg(pm4, R_00B118_SPI_SHADER_PGM_RSRC3_VS, S_00B118_CU_EN(0xffff)); 3837 si_pm4_set_reg(pm4, R_00B11C_SPI_SHADER_LATE_ALLOC_VS, S_00B11C_LIMIT(2)); 3838 } else { 3839 /* Set LATE_ALLOC_VS == 31. It should be less than 3840 * the number of scratch waves. Limitations: 3841 * - VS can't execute on CU0. 3842 * - If HS writes outputs to LDS, LS can't execute on CU0. 3843 */ 3844 si_pm4_set_reg(pm4, R_00B51C_SPI_SHADER_PGM_RSRC3_LS, S_00B51C_CU_EN(0xfffe)); 3845 si_pm4_set_reg(pm4, R_00B118_SPI_SHADER_PGM_RSRC3_VS, S_00B118_CU_EN(0xfffe)); 3846 si_pm4_set_reg(pm4, R_00B11C_SPI_SHADER_LATE_ALLOC_VS, S_00B11C_LIMIT(31)); 3847 } 3848 3849 si_pm4_set_reg(pm4, R_00B01C_SPI_SHADER_PGM_RSRC3_PS, S_00B01C_CU_EN(0xffff)); 3850 } 3851 3852 if (sctx->b.chip_class >= VI) { 3853 unsigned vgt_tess_distribution; 3854 3855 si_pm4_set_reg(pm4, R_028424_CB_DCC_CONTROL, 3856 S_028424_OVERWRITE_COMBINER_MRT_SHARING_DISABLE(1) | 3857 S_028424_OVERWRITE_COMBINER_WATERMARK(4)); 3858 if (sctx->b.family < CHIP_POLARIS10) 3859 si_pm4_set_reg(pm4, R_028C58_VGT_VERTEX_REUSE_BLOCK_CNTL, 30); 3860 si_pm4_set_reg(pm4, R_028C5C_VGT_OUT_DEALLOC_CNTL, 32); 3861 3862 vgt_tess_distribution = 3863 S_028B50_ACCUM_ISOLINE(32) | 3864 S_028B50_ACCUM_TRI(11) | 3865 S_028B50_ACCUM_QUAD(11) | 3866 S_028B50_DONUT_SPLIT(16); 3867 3868 /* Testing with Unigine Heaven extreme tesselation yielded best results 3869 * with TRAP_SPLIT = 3. 3870 */ 3871 if (sctx->b.family == CHIP_FIJI || 3872 sctx->b.family >= CHIP_POLARIS10) 3873 vgt_tess_distribution |= S_028B50_TRAP_SPLIT(3); 3874 3875 si_pm4_set_reg(pm4, R_028B50_VGT_TESS_DISTRIBUTION, vgt_tess_distribution); 3876 } else { 3877 si_pm4_set_reg(pm4, R_028C58_VGT_VERTEX_REUSE_BLOCK_CNTL, 14); 3878 si_pm4_set_reg(pm4, R_028C5C_VGT_OUT_DEALLOC_CNTL, 16); 3879 } 3880 3881 if (sctx->b.family == CHIP_STONEY) 3882 si_pm4_set_reg(pm4, R_028C40_PA_SC_SHADER_CONTROL, 0); 3883 3884 si_pm4_set_reg(pm4, R_028080_TA_BC_BASE_ADDR, border_color_va >> 8); 3885 if (sctx->b.chip_class >= CIK) 3886 si_pm4_set_reg(pm4, R_028084_TA_BC_BASE_ADDR_HI, border_color_va >> 40); 3887 si_pm4_add_bo(pm4, sctx->border_color_buffer, RADEON_USAGE_READ, 3888 RADEON_PRIO_BORDER_COLORS); 3889 3890 si_pm4_upload_indirect_buffer(sctx, pm4); 3891 sctx->init_config = pm4; 3892} 3893