1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ 2 3 /* 4 * Copyright (C) 2014 Rob Clark <robclark (at) freedesktop.org> 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the next 14 * paragraph) shall be included in all copies or substantial portions of the 15 * Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 23 * SOFTWARE. 24 * 25 * Authors: 26 * Rob Clark <robclark (at) freedesktop.org> 27 */ 28 29 #include "pipe/p_state.h" 30 #include "util/u_string.h" 31 #include "util/u_memory.h" 32 #include "util/u_inlines.h" 33 #include "util/u_format.h" 34 35 #include "freedreno_program.h" 36 37 #include "fd4_program.h" 38 #include "fd4_emit.h" 39 #include "fd4_texture.h" 40 #include "fd4_format.h" 41 42 static void 43 delete_shader_stateobj(struct fd4_shader_stateobj *so) 44 { 45 ir3_shader_destroy(so->shader); 46 free(so); 47 } 48 49 static struct fd4_shader_stateobj * 50 create_shader_stateobj(struct pipe_context *pctx, const struct pipe_shader_state *cso, 51 enum shader_t type) 52 { 53 struct fd_context *ctx = fd_context(pctx); 54 struct ir3_compiler *compiler = ctx->screen->compiler; 55 struct fd4_shader_stateobj *so = CALLOC_STRUCT(fd4_shader_stateobj); 56 so->shader = ir3_shader_create(compiler, cso, type, &ctx->debug); 57 return so; 58 } 59 60 static void * 61 fd4_fp_state_create(struct pipe_context *pctx, 62 const struct pipe_shader_state *cso) 63 { 64 return create_shader_stateobj(pctx, cso, SHADER_FRAGMENT); 65 } 66 67 static void 68 fd4_fp_state_delete(struct pipe_context *pctx, void *hwcso) 69 { 70 struct fd4_shader_stateobj *so = hwcso; 71 delete_shader_stateobj(so); 72 } 73 74 static void * 75 fd4_vp_state_create(struct pipe_context *pctx, 76 const struct pipe_shader_state *cso) 77 { 78 return create_shader_stateobj(pctx, cso, SHADER_VERTEX); 79 } 80 81 static void 82 fd4_vp_state_delete(struct pipe_context *pctx, void *hwcso) 83 { 84 struct fd4_shader_stateobj *so = hwcso; 85 delete_shader_stateobj(so); 86 } 87 88 static void 89 emit_shader(struct fd_ringbuffer *ring, const struct ir3_shader_variant *so) 90 { 91 const struct ir3_info *si = &so->info; 92 enum adreno_state_block sb; 93 enum adreno_state_src src; 94 uint32_t i, sz, *bin; 95 96 if (so->type == SHADER_VERTEX) { 97 sb = SB_VERT_SHADER; 98 } else { 99 sb = SB_FRAG_SHADER; 100 } 101 102 if (fd_mesa_debug & FD_DBG_DIRECT) { 103 sz = si->sizedwords; 104 src = SS_DIRECT; 105 bin = fd_bo_map(so->bo); 106 } else { 107 sz = 0; 108 src = 2; // enums different on a4xx.. 109 bin = NULL; 110 } 111 112 OUT_PKT3(ring, CP_LOAD_STATE, 2 + sz); 113 OUT_RING(ring, CP_LOAD_STATE_0_DST_OFF(0) | 114 CP_LOAD_STATE_0_STATE_SRC(src) | 115 CP_LOAD_STATE_0_STATE_BLOCK(sb) | 116 CP_LOAD_STATE_0_NUM_UNIT(so->instrlen)); 117 if (bin) { 118 OUT_RING(ring, CP_LOAD_STATE_1_EXT_SRC_ADDR(0) | 119 CP_LOAD_STATE_1_STATE_TYPE(ST_SHADER)); 120 } else { 121 OUT_RELOC(ring, so->bo, 0, 122 CP_LOAD_STATE_1_STATE_TYPE(ST_SHADER), 0); 123 } 124 125 /* for how clever coverity is, it is sometimes rather dull, and 126 * doesn't realize that the only case where bin==NULL, sz==0: 127 */ 128 assume(bin || (sz == 0)); 129 130 for (i = 0; i < sz; i++) { 131 OUT_RING(ring, bin[i]); 132 } 133 } 134 135 struct stage { 136 const struct ir3_shader_variant *v; 137 const struct ir3_info *i; 138 /* const sizes are in units of 4 * vec4 */ 139 uint8_t constoff; 140 uint8_t constlen; 141 /* instr sizes are in units of 16 instructions */ 142 uint8_t instroff; 143 uint8_t instrlen; 144 }; 145 146 enum { 147 VS = 0, 148 FS = 1, 149 HS = 2, 150 DS = 3, 151 GS = 4, 152 MAX_STAGES 153 }; 154 155 static void 156 setup_stages(struct fd4_emit *emit, struct stage *s) 157 { 158 unsigned i; 159 160 s[VS].v = fd4_emit_get_vp(emit); 161 s[FS].v = fd4_emit_get_fp(emit); 162 163 s[HS].v = s[DS].v = s[GS].v = NULL; /* for now */ 164 165 for (i = 0; i < MAX_STAGES; i++) { 166 if (s[i].v) { 167 s[i].i = &s[i].v->info; 168 /* constlen is in units of 4 * vec4: */ 169 s[i].constlen = align(s[i].v->constlen, 4) / 4; 170 /* instrlen is already in units of 16 instr.. although 171 * probably we should ditch that and not make the compiler 172 * care about instruction group size of a3xx vs a4xx 173 */ 174 s[i].instrlen = s[i].v->instrlen; 175 } else { 176 s[i].i = NULL; 177 s[i].constlen = 0; 178 s[i].instrlen = 0; 179 } 180 } 181 182 /* NOTE: at least for gles2, blob partitions VS at bottom of const 183 * space and FS taking entire remaining space. We probably don't 184 * need to do that the same way, but for now mimic what the blob 185 * does to make it easier to diff against register values from blob 186 * 187 * NOTE: if VS.instrlen + FS.instrlen > 64, then one or both shaders 188 * is run from external memory. 189 */ 190 if ((s[VS].instrlen + s[FS].instrlen) > 64) { 191 /* prioritize FS for internal memory: */ 192 if (s[FS].instrlen < 64) { 193 /* if FS can fit, kick VS out to external memory: */ 194 s[VS].instrlen = 0; 195 } else if (s[VS].instrlen < 64) { 196 /* otherwise if VS can fit, kick out FS: */ 197 s[FS].instrlen = 0; 198 } else { 199 /* neither can fit, run both from external memory: */ 200 s[VS].instrlen = 0; 201 s[FS].instrlen = 0; 202 } 203 } 204 s[VS].constlen = 66; 205 s[FS].constlen = 128 - s[VS].constlen; 206 s[VS].instroff = 0; 207 s[VS].constoff = 0; 208 s[FS].instroff = 64 - s[FS].instrlen; 209 s[FS].constoff = s[VS].constlen; 210 s[HS].instroff = s[DS].instroff = s[GS].instroff = s[FS].instroff; 211 s[HS].constoff = s[DS].constoff = s[GS].constoff = s[FS].constoff; 212 } 213 214 void 215 fd4_program_emit(struct fd_ringbuffer *ring, struct fd4_emit *emit, 216 int nr, struct pipe_surface **bufs) 217 { 218 struct stage s[MAX_STAGES]; 219 uint32_t pos_regid, posz_regid, psize_regid, color_regid[8]; 220 uint32_t face_regid, coord_regid, zwcoord_regid; 221 enum a3xx_threadsize fssz; 222 int constmode; 223 int i, j; 224 225 debug_assert(nr <= ARRAY_SIZE(color_regid)); 226 227 if (emit->key.binning_pass) 228 nr = 0; 229 230 setup_stages(emit, s); 231 232 fssz = (s[FS].i->max_reg >= 24) ? TWO_QUADS : FOUR_QUADS; 233 234 /* blob seems to always use constmode currently: */ 235 constmode = 1; 236 237 pos_regid = ir3_find_output_regid(s[VS].v, VARYING_SLOT_POS); 238 if (pos_regid == regid(63, 0)) { 239 /* hw dislikes when there is no position output, which can 240 * happen for transform-feedback vertex shaders. Just tell 241 * the hw to use r0.x, with whatever random value is there: 242 */ 243 pos_regid = regid(0, 0); 244 } 245 posz_regid = ir3_find_output_regid(s[FS].v, FRAG_RESULT_DEPTH); 246 psize_regid = ir3_find_output_regid(s[VS].v, VARYING_SLOT_PSIZ); 247 if (s[FS].v->color0_mrt) { 248 color_regid[0] = color_regid[1] = color_regid[2] = color_regid[3] = 249 color_regid[4] = color_regid[5] = color_regid[6] = color_regid[7] = 250 ir3_find_output_regid(s[FS].v, FRAG_RESULT_COLOR); 251 } else { 252 color_regid[0] = ir3_find_output_regid(s[FS].v, FRAG_RESULT_DATA0); 253 color_regid[1] = ir3_find_output_regid(s[FS].v, FRAG_RESULT_DATA1); 254 color_regid[2] = ir3_find_output_regid(s[FS].v, FRAG_RESULT_DATA2); 255 color_regid[3] = ir3_find_output_regid(s[FS].v, FRAG_RESULT_DATA3); 256 color_regid[4] = ir3_find_output_regid(s[FS].v, FRAG_RESULT_DATA4); 257 color_regid[5] = ir3_find_output_regid(s[FS].v, FRAG_RESULT_DATA5); 258 color_regid[6] = ir3_find_output_regid(s[FS].v, FRAG_RESULT_DATA6); 259 color_regid[7] = ir3_find_output_regid(s[FS].v, FRAG_RESULT_DATA7); 260 } 261 262 /* TODO get these dynamically: */ 263 face_regid = s[FS].v->frag_face ? regid(0,0) : regid(63,0); 264 coord_regid = s[FS].v->frag_coord ? regid(0,0) : regid(63,0); 265 zwcoord_regid = s[FS].v->frag_coord ? regid(0,2) : regid(63,0); 266 267 /* we could probably divide this up into things that need to be 268 * emitted if frag-prog is dirty vs if vert-prog is dirty.. 269 */ 270 271 OUT_PKT0(ring, REG_A4XX_HLSQ_UPDATE_CONTROL, 1); 272 OUT_RING(ring, 0x00000003); 273 274 OUT_PKT0(ring, REG_A4XX_HLSQ_CONTROL_0_REG, 5); 275 OUT_RING(ring, A4XX_HLSQ_CONTROL_0_REG_FSTHREADSIZE(fssz) | 276 A4XX_HLSQ_CONTROL_0_REG_CONSTMODE(constmode) | 277 A4XX_HLSQ_CONTROL_0_REG_FSSUPERTHREADENABLE | 278 /* NOTE: I guess SHADERRESTART and CONSTFULLUPDATE maybe 279 * flush some caches? I think we only need to set those 280 * bits if we have updated const or shader.. 281 */ 282 A4XX_HLSQ_CONTROL_0_REG_SPSHADERRESTART | 283 A4XX_HLSQ_CONTROL_0_REG_SPCONSTFULLUPDATE); 284 OUT_RING(ring, A4XX_HLSQ_CONTROL_1_REG_VSTHREADSIZE(TWO_QUADS) | 285 A4XX_HLSQ_CONTROL_1_REG_VSSUPERTHREADENABLE | 286 A4XX_HLSQ_CONTROL_1_REG_COORDREGID(coord_regid) | 287 A4XX_HLSQ_CONTROL_1_REG_ZWCOORDREGID(zwcoord_regid)); 288 OUT_RING(ring, A4XX_HLSQ_CONTROL_2_REG_PRIMALLOCTHRESHOLD(63) | 289 0x3f3f000 | /* XXX */ 290 A4XX_HLSQ_CONTROL_2_REG_FACEREGID(face_regid)); 291 OUT_RING(ring, A4XX_HLSQ_CONTROL_3_REG_REGID(s[FS].v->pos_regid) | 292 0xfcfcfc00); 293 OUT_RING(ring, 0x00fcfcfc); /* XXX HLSQ_CONTROL_4 */ 294 295 OUT_PKT0(ring, REG_A4XX_HLSQ_VS_CONTROL_REG, 5); 296 OUT_RING(ring, A4XX_HLSQ_VS_CONTROL_REG_CONSTLENGTH(s[VS].constlen) | 297 A4XX_HLSQ_VS_CONTROL_REG_CONSTOBJECTOFFSET(s[VS].constoff) | 298 A4XX_HLSQ_VS_CONTROL_REG_INSTRLENGTH(s[VS].instrlen) | 299 A4XX_HLSQ_VS_CONTROL_REG_SHADEROBJOFFSET(s[VS].instroff)); 300 OUT_RING(ring, A4XX_HLSQ_FS_CONTROL_REG_CONSTLENGTH(s[FS].constlen) | 301 A4XX_HLSQ_FS_CONTROL_REG_CONSTOBJECTOFFSET(s[FS].constoff) | 302 A4XX_HLSQ_FS_CONTROL_REG_INSTRLENGTH(s[FS].instrlen) | 303 A4XX_HLSQ_FS_CONTROL_REG_SHADEROBJOFFSET(s[FS].instroff)); 304 OUT_RING(ring, A4XX_HLSQ_HS_CONTROL_REG_CONSTLENGTH(s[HS].constlen) | 305 A4XX_HLSQ_HS_CONTROL_REG_CONSTOBJECTOFFSET(s[HS].constoff) | 306 A4XX_HLSQ_HS_CONTROL_REG_INSTRLENGTH(s[HS].instrlen) | 307 A4XX_HLSQ_HS_CONTROL_REG_SHADEROBJOFFSET(s[HS].instroff)); 308 OUT_RING(ring, A4XX_HLSQ_DS_CONTROL_REG_CONSTLENGTH(s[DS].constlen) | 309 A4XX_HLSQ_DS_CONTROL_REG_CONSTOBJECTOFFSET(s[DS].constoff) | 310 A4XX_HLSQ_DS_CONTROL_REG_INSTRLENGTH(s[DS].instrlen) | 311 A4XX_HLSQ_DS_CONTROL_REG_SHADEROBJOFFSET(s[DS].instroff)); 312 OUT_RING(ring, A4XX_HLSQ_GS_CONTROL_REG_CONSTLENGTH(s[GS].constlen) | 313 A4XX_HLSQ_GS_CONTROL_REG_CONSTOBJECTOFFSET(s[GS].constoff) | 314 A4XX_HLSQ_GS_CONTROL_REG_INSTRLENGTH(s[GS].instrlen) | 315 A4XX_HLSQ_GS_CONTROL_REG_SHADEROBJOFFSET(s[GS].instroff)); 316 317 OUT_PKT0(ring, REG_A4XX_SP_SP_CTRL_REG, 1); 318 OUT_RING(ring, 0x140010 | /* XXX */ 319 COND(emit->key.binning_pass, A4XX_SP_SP_CTRL_REG_BINNING_PASS)); 320 321 OUT_PKT0(ring, REG_A4XX_SP_INSTR_CACHE_CTRL, 1); 322 OUT_RING(ring, 0x7f | /* XXX */ 323 COND(s[VS].instrlen, A4XX_SP_INSTR_CACHE_CTRL_VS_BUFFER) | 324 COND(s[FS].instrlen, A4XX_SP_INSTR_CACHE_CTRL_FS_BUFFER) | 325 COND(s[VS].instrlen && s[FS].instrlen, 326 A4XX_SP_INSTR_CACHE_CTRL_INSTR_BUFFER)); 327 328 OUT_PKT0(ring, REG_A4XX_SP_VS_LENGTH_REG, 1); 329 OUT_RING(ring, s[VS].v->instrlen); /* SP_VS_LENGTH_REG */ 330 331 OUT_PKT0(ring, REG_A4XX_SP_VS_CTRL_REG0, 3); 332 OUT_RING(ring, A4XX_SP_VS_CTRL_REG0_THREADMODE(MULTI) | 333 A4XX_SP_VS_CTRL_REG0_HALFREGFOOTPRINT(s[VS].i->max_half_reg + 1) | 334 A4XX_SP_VS_CTRL_REG0_FULLREGFOOTPRINT(s[VS].i->max_reg + 1) | 335 A4XX_SP_VS_CTRL_REG0_INOUTREGOVERLAP(0) | 336 A4XX_SP_VS_CTRL_REG0_THREADSIZE(TWO_QUADS) | 337 A4XX_SP_VS_CTRL_REG0_SUPERTHREADMODE | 338 COND(s[VS].v->has_samp, A4XX_SP_VS_CTRL_REG0_PIXLODENABLE)); 339 OUT_RING(ring, A4XX_SP_VS_CTRL_REG1_CONSTLENGTH(s[VS].constlen) | 340 A4XX_SP_VS_CTRL_REG1_INITIALOUTSTANDING(s[VS].v->total_in)); 341 OUT_RING(ring, A4XX_SP_VS_PARAM_REG_POSREGID(pos_regid) | 342 A4XX_SP_VS_PARAM_REG_PSIZEREGID(psize_regid) | 343 A4XX_SP_VS_PARAM_REG_TOTALVSOUTVAR(s[FS].v->varying_in)); 344 345 struct ir3_shader_linkage l = {0}; 346 ir3_link_shaders(&l, s[VS].v, s[FS].v); 347 348 for (i = 0, j = 0; (i < 16) && (j < l.cnt); i++) { 349 uint32_t reg = 0; 350 351 OUT_PKT0(ring, REG_A4XX_SP_VS_OUT_REG(i), 1); 352 353 reg |= A4XX_SP_VS_OUT_REG_A_REGID(l.var[j].regid); 354 reg |= A4XX_SP_VS_OUT_REG_A_COMPMASK(l.var[j].compmask); 355 j++; 356 357 reg |= A4XX_SP_VS_OUT_REG_B_REGID(l.var[j].regid); 358 reg |= A4XX_SP_VS_OUT_REG_B_COMPMASK(l.var[j].compmask); 359 j++; 360 361 OUT_RING(ring, reg); 362 } 363 364 for (i = 0, j = 0; (i < 8) && (j < l.cnt); i++) { 365 uint32_t reg = 0; 366 367 OUT_PKT0(ring, REG_A4XX_SP_VS_VPC_DST_REG(i), 1); 368 369 reg |= A4XX_SP_VS_VPC_DST_REG_OUTLOC0(l.var[j++].loc + 8); 370 reg |= A4XX_SP_VS_VPC_DST_REG_OUTLOC1(l.var[j++].loc + 8); 371 reg |= A4XX_SP_VS_VPC_DST_REG_OUTLOC2(l.var[j++].loc + 8); 372 reg |= A4XX_SP_VS_VPC_DST_REG_OUTLOC3(l.var[j++].loc + 8); 373 374 OUT_RING(ring, reg); 375 } 376 377 OUT_PKT0(ring, REG_A4XX_SP_VS_OBJ_OFFSET_REG, 2); 378 OUT_RING(ring, A4XX_SP_VS_OBJ_OFFSET_REG_CONSTOBJECTOFFSET(s[VS].constoff) | 379 A4XX_SP_VS_OBJ_OFFSET_REG_SHADEROBJOFFSET(s[VS].instroff)); 380 OUT_RELOC(ring, s[VS].v->bo, 0, 0, 0); /* SP_VS_OBJ_START_REG */ 381 382 if (emit->key.binning_pass) { 383 OUT_PKT0(ring, REG_A4XX_SP_FS_LENGTH_REG, 1); 384 OUT_RING(ring, 0x00000000); /* SP_FS_LENGTH_REG */ 385 386 OUT_PKT0(ring, REG_A4XX_SP_FS_CTRL_REG0, 2); 387 OUT_RING(ring, A4XX_SP_FS_CTRL_REG0_THREADMODE(MULTI) | 388 COND(s[FS].v->total_in > 0, A4XX_SP_FS_CTRL_REG0_VARYING) | 389 A4XX_SP_FS_CTRL_REG0_HALFREGFOOTPRINT(0) | 390 A4XX_SP_FS_CTRL_REG0_FULLREGFOOTPRINT(0) | 391 A4XX_SP_FS_CTRL_REG0_INOUTREGOVERLAP(1) | 392 A4XX_SP_FS_CTRL_REG0_THREADSIZE(fssz) | 393 A4XX_SP_FS_CTRL_REG0_SUPERTHREADMODE); 394 OUT_RING(ring, A4XX_SP_FS_CTRL_REG1_CONSTLENGTH(s[FS].constlen) | 395 0x80000000); 396 397 OUT_PKT0(ring, REG_A4XX_SP_FS_OBJ_OFFSET_REG, 2); 398 OUT_RING(ring, A4XX_SP_FS_OBJ_OFFSET_REG_CONSTOBJECTOFFSET(s[FS].constoff) | 399 A4XX_SP_FS_OBJ_OFFSET_REG_SHADEROBJOFFSET(s[FS].instroff)); 400 OUT_RING(ring, 0x00000000); 401 } else { 402 OUT_PKT0(ring, REG_A4XX_SP_FS_LENGTH_REG, 1); 403 OUT_RING(ring, s[FS].v->instrlen); /* SP_FS_LENGTH_REG */ 404 405 OUT_PKT0(ring, REG_A4XX_SP_FS_CTRL_REG0, 2); 406 OUT_RING(ring, A4XX_SP_FS_CTRL_REG0_THREADMODE(MULTI) | 407 COND(s[FS].v->total_in > 0, A4XX_SP_FS_CTRL_REG0_VARYING) | 408 A4XX_SP_FS_CTRL_REG0_HALFREGFOOTPRINT(s[FS].i->max_half_reg + 1) | 409 A4XX_SP_FS_CTRL_REG0_FULLREGFOOTPRINT(s[FS].i->max_reg + 1) | 410 A4XX_SP_FS_CTRL_REG0_INOUTREGOVERLAP(1) | 411 A4XX_SP_FS_CTRL_REG0_THREADSIZE(fssz) | 412 A4XX_SP_FS_CTRL_REG0_SUPERTHREADMODE | 413 COND(s[FS].v->has_samp, A4XX_SP_FS_CTRL_REG0_PIXLODENABLE)); 414 OUT_RING(ring, A4XX_SP_FS_CTRL_REG1_CONSTLENGTH(s[FS].constlen) | 415 0x80000000 | /* XXX */ 416 COND(s[FS].v->frag_face, A4XX_SP_FS_CTRL_REG1_FACENESS) | 417 COND(s[FS].v->total_in > 0, A4XX_SP_FS_CTRL_REG1_VARYING) | 418 COND(s[FS].v->frag_coord, A4XX_SP_FS_CTRL_REG1_FRAGCOORD)); 419 420 OUT_PKT0(ring, REG_A4XX_SP_FS_OBJ_OFFSET_REG, 2); 421 OUT_RING(ring, A4XX_SP_FS_OBJ_OFFSET_REG_CONSTOBJECTOFFSET(s[FS].constoff) | 422 A4XX_SP_FS_OBJ_OFFSET_REG_SHADEROBJOFFSET(s[FS].instroff)); 423 OUT_RELOC(ring, s[FS].v->bo, 0, 0, 0); /* SP_FS_OBJ_START_REG */ 424 } 425 426 OUT_PKT0(ring, REG_A4XX_SP_HS_OBJ_OFFSET_REG, 1); 427 OUT_RING(ring, A4XX_SP_HS_OBJ_OFFSET_REG_CONSTOBJECTOFFSET(s[HS].constoff) | 428 A4XX_SP_HS_OBJ_OFFSET_REG_SHADEROBJOFFSET(s[HS].instroff)); 429 430 OUT_PKT0(ring, REG_A4XX_SP_DS_OBJ_OFFSET_REG, 1); 431 OUT_RING(ring, A4XX_SP_DS_OBJ_OFFSET_REG_CONSTOBJECTOFFSET(s[DS].constoff) | 432 A4XX_SP_DS_OBJ_OFFSET_REG_SHADEROBJOFFSET(s[DS].instroff)); 433 434 OUT_PKT0(ring, REG_A4XX_SP_GS_OBJ_OFFSET_REG, 1); 435 OUT_RING(ring, A4XX_SP_GS_OBJ_OFFSET_REG_CONSTOBJECTOFFSET(s[GS].constoff) | 436 A4XX_SP_GS_OBJ_OFFSET_REG_SHADEROBJOFFSET(s[GS].instroff)); 437 438 OUT_PKT0(ring, REG_A4XX_RB_RENDER_CONTROL2, 1); 439 OUT_RING(ring, A4XX_RB_RENDER_CONTROL2_MSAA_SAMPLES(0) | 440 COND(s[FS].v->total_in > 0, A4XX_RB_RENDER_CONTROL2_VARYING) | 441 COND(s[FS].v->frag_face, A4XX_RB_RENDER_CONTROL2_FACENESS) | 442 COND(s[FS].v->frag_coord, A4XX_RB_RENDER_CONTROL2_XCOORD | 443 A4XX_RB_RENDER_CONTROL2_YCOORD | 444 A4XX_RB_RENDER_CONTROL2_ZCOORD | 445 A4XX_RB_RENDER_CONTROL2_WCOORD)); 446 447 OUT_PKT0(ring, REG_A4XX_RB_FS_OUTPUT_REG, 1); 448 OUT_RING(ring, A4XX_RB_FS_OUTPUT_REG_MRT(nr) | 449 COND(s[FS].v->writes_pos, A4XX_RB_FS_OUTPUT_REG_FRAG_WRITES_Z)); 450 451 OUT_PKT0(ring, REG_A4XX_SP_FS_OUTPUT_REG, 1); 452 OUT_RING(ring, A4XX_SP_FS_OUTPUT_REG_MRT(nr) | 453 COND(s[FS].v->writes_pos, A4XX_SP_FS_OUTPUT_REG_DEPTH_ENABLE) | 454 A4XX_SP_FS_OUTPUT_REG_DEPTH_REGID(posz_regid)); 455 456 OUT_PKT0(ring, REG_A4XX_SP_FS_MRT_REG(0), 8); 457 for (i = 0; i < 8; i++) { 458 enum a4xx_color_fmt format = 0; 459 bool srgb = false; 460 if (i < nr) { 461 format = fd4_emit_format(bufs[i]); 462 if (bufs[i] && !emit->no_decode_srgb) 463 srgb = util_format_is_srgb(bufs[i]->format); 464 } 465 OUT_RING(ring, A4XX_SP_FS_MRT_REG_REGID(color_regid[i]) | 466 A4XX_SP_FS_MRT_REG_MRTFORMAT(format) | 467 COND(srgb, A4XX_SP_FS_MRT_REG_COLOR_SRGB) | 468 COND(emit->key.half_precision, 469 A4XX_SP_FS_MRT_REG_HALF_PRECISION)); 470 } 471 472 if (emit->key.binning_pass) { 473 OUT_PKT0(ring, REG_A4XX_VPC_ATTR, 2); 474 OUT_RING(ring, A4XX_VPC_ATTR_THRDASSIGN(1) | 475 0x40000000 | /* XXX */ 476 COND(s[VS].v->writes_psize, A4XX_VPC_ATTR_PSIZE)); 477 OUT_RING(ring, 0x00000000); 478 } else { 479 uint32_t vinterp[8], vpsrepl[8]; 480 481 memset(vinterp, 0, sizeof(vinterp)); 482 memset(vpsrepl, 0, sizeof(vpsrepl)); 483 484 /* looks like we need to do int varyings in the frag 485 * shader on a4xx (no flatshad reg? or a420.0 bug?): 486 * 487 * (sy)(ss)nop 488 * (sy)ldlv.u32 r0.x,l[r0.x], 1 489 * ldlv.u32 r0.y,l[r0.x+1], 1 490 * (ss)bary.f (ei)r63.x, 0, r0.x 491 * (ss)(rpt1)cov.s32f16 hr0.x, (r)r0.x 492 * (rpt5)nop 493 * sam (f16)(xyzw)hr0.x, hr0.x, s#0, t#0 494 * 495 * Possibly on later a4xx variants we'll be able to use 496 * something like the code below instead of workaround 497 * in the shader: 498 */ 499 /* figure out VARYING_INTERP / VARYING_PS_REPL register values: */ 500 for (j = -1; (j = ir3_next_varying(s[FS].v, j)) < (int)s[FS].v->inputs_count; ) { 501 /* NOTE: varyings are packed, so if compmask is 0xb 502 * then first, third, and fourth component occupy 503 * three consecutive varying slots: 504 */ 505 unsigned compmask = s[FS].v->inputs[j].compmask; 506 507 uint32_t inloc = s[FS].v->inputs[j].inloc; 508 509 if ((s[FS].v->inputs[j].interpolate == INTERP_MODE_FLAT) || 510 (s[FS].v->inputs[j].rasterflat && emit->rasterflat)) { 511 uint32_t loc = inloc; 512 513 for (i = 0; i < 4; i++) { 514 if (compmask & (1 << i)) { 515 vinterp[loc / 16] |= 1 << ((loc % 16) * 2); 516 //flatshade[loc / 32] |= 1 << (loc % 32); 517 loc++; 518 } 519 } 520 } 521 522 gl_varying_slot slot = s[FS].v->inputs[j].slot; 523 524 /* since we don't enable PIPE_CAP_TGSI_TEXCOORD: */ 525 if (slot >= VARYING_SLOT_VAR0) { 526 unsigned texmask = 1 << (slot - VARYING_SLOT_VAR0); 527 /* Replace the .xy coordinates with S/T from the point sprite. Set 528 * interpolation bits for .zw such that they become .01 529 */ 530 if (emit->sprite_coord_enable & texmask) { 531 /* mask is two 2-bit fields, where: 532 * '01' -> S 533 * '10' -> T 534 * '11' -> 1 - T (flip mode) 535 */ 536 unsigned mask = emit->sprite_coord_mode ? 0b1101 : 0b1001; 537 uint32_t loc = inloc; 538 if (compmask & 0x1) { 539 vpsrepl[loc / 16] |= ((mask >> 0) & 0x3) << ((loc % 16) * 2); 540 loc++; 541 } 542 if (compmask & 0x2) { 543 vpsrepl[loc / 16] |= ((mask >> 2) & 0x3) << ((loc % 16) * 2); 544 loc++; 545 } 546 if (compmask & 0x4) { 547 /* .z <- 0.0f */ 548 vinterp[loc / 16] |= 0b10 << ((loc % 16) * 2); 549 loc++; 550 } 551 if (compmask & 0x8) { 552 /* .w <- 1.0f */ 553 vinterp[loc / 16] |= 0b11 << ((loc % 16) * 2); 554 loc++; 555 } 556 } 557 } 558 } 559 560 OUT_PKT0(ring, REG_A4XX_VPC_ATTR, 2); 561 OUT_RING(ring, A4XX_VPC_ATTR_TOTALATTR(s[FS].v->total_in) | 562 A4XX_VPC_ATTR_THRDASSIGN(1) | 563 COND(s[FS].v->total_in > 0, A4XX_VPC_ATTR_ENABLE) | 564 0x40000000 | /* XXX */ 565 COND(s[VS].v->writes_psize, A4XX_VPC_ATTR_PSIZE)); 566 OUT_RING(ring, A4XX_VPC_PACK_NUMFPNONPOSVAR(s[FS].v->total_in) | 567 A4XX_VPC_PACK_NUMNONPOSVSVAR(s[FS].v->total_in)); 568 569 OUT_PKT0(ring, REG_A4XX_VPC_VARYING_INTERP_MODE(0), 8); 570 for (i = 0; i < 8; i++) 571 OUT_RING(ring, vinterp[i]); /* VPC_VARYING_INTERP[i].MODE */ 572 573 OUT_PKT0(ring, REG_A4XX_VPC_VARYING_PS_REPL_MODE(0), 8); 574 for (i = 0; i < 8; i++) 575 OUT_RING(ring, vpsrepl[i]); /* VPC_VARYING_PS_REPL[i] */ 576 } 577 578 if (s[VS].instrlen) 579 emit_shader(ring, s[VS].v); 580 581 if (!emit->key.binning_pass) 582 if (s[FS].instrlen) 583 emit_shader(ring, s[FS].v); 584 } 585 586 void 587 fd4_prog_init(struct pipe_context *pctx) 588 { 589 pctx->create_fs_state = fd4_fp_state_create; 590 pctx->delete_fs_state = fd4_fp_state_delete; 591 592 pctx->create_vs_state = fd4_vp_state_create; 593 pctx->delete_vs_state = fd4_vp_state_delete; 594 595 fd_prog_init(pctx); 596 } 597
