src/gallium/drivers/vc4/vc4_qir.h

   1 /*
   2  * Copyright © 2014 Broadcom
   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  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * 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 NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 #ifndef VC4_QIR_H
  25 #define VC4_QIR_H
  26
  27 #include <assert.h>
  28 #include <stdio.h>
  29 #include <stdlib.h>
  30 #include <stdbool.h>
  31 #include <stdint.h>
  32 #include <string.h>
  33
  34 #include "util/macros.h"
  35 #include "compiler/nir/nir.h"
  36 #include "util/list.h"
  37 #include "util/u_math.h"
  38
  39 #include "vc4_screen.h"
  40 #include "vc4_qpu_defines.h"
  41 #include "vc4_qpu.h"
  42 #include "kernel/vc4_packet.h"
  43 #include "pipe/p_state.h"
  44
  45 struct nir_builder;
  46
  47 enum qfile {
  48         QFILE_NULL,
  49         QFILE_TEMP,
  50         QFILE_VARY,
  51         QFILE_UNIF,
  52         QFILE_VPM,
  53         QFILE_TLB_COLOR_WRITE,
  54         QFILE_TLB_COLOR_WRITE_MS,
  55         QFILE_TLB_Z_WRITE,
  56         QFILE_TLB_STENCIL_SETUP,
  57
  58         /* Payload registers that aren't in the physical register file, so we
  59          * can just use the corresponding qpu_reg at qpu_emit time.
  60          */
  61         QFILE_FRAG_X,
  62         QFILE_FRAG_Y,
  63         QFILE_FRAG_REV_FLAG,
  64
  65         /**
  66          * Stores an immediate value in the index field that will be used
  67          * directly by qpu_load_imm().
  68          */
  69         QFILE_LOAD_IMM,
  70
  71         /**
  72          * Stores an immediate value in the index field that can be turned
  73          * into a small immediate field by qpu_encode_small_immediate().
  74          */
  75         QFILE_SMALL_IMM,
  76 };
  77
  78 struct qreg {
  79         enum qfile file;
  80         uint32_t index;
  81         int pack;
  82 };
  83
  84 static inline struct qreg qir_reg(enum qfile file, uint32_t index)
  85 {
  86         return (struct qreg){file, index};
  87 }
  88
  89 enum qop {
  90         QOP_UNDEF,
  91         QOP_MOV,
  92         QOP_FMOV,
  93         QOP_MMOV,
  94         QOP_FADD,
  95         QOP_FSUB,
  96         QOP_FMUL,
  97         QOP_V8MULD,
  98         QOP_V8MIN,
  99         QOP_V8MAX,
 100         QOP_V8ADDS,
 101         QOP_V8SUBS,
 102         QOP_MUL24,
 103         QOP_FMIN,
 104         QOP_FMAX,
 105         QOP_FMINABS,
 106         QOP_FMAXABS,
 107         QOP_ADD,
 108         QOP_SUB,
 109         QOP_SHL,
 110         QOP_SHR,
 111         QOP_ASR,
 112         QOP_MIN,
 113         QOP_MAX,
 114         QOP_AND,
 115         QOP_OR,
 116         QOP_XOR,
 117         QOP_NOT,
 118
 119         QOP_FTOI,
 120         QOP_ITOF,
 121         QOP_RCP,
 122         QOP_RSQ,
 123         QOP_EXP2,
 124         QOP_LOG2,
 125         QOP_VW_SETUP,
 126         QOP_VR_SETUP,
 127         QOP_TLB_COLOR_READ,
 128         QOP_MS_MASK,
 129         QOP_VARY_ADD_C,
 130
 131         QOP_FRAG_Z,
 132         QOP_FRAG_W,
 133
 134         /** Texture x coordinate parameter write */
 135         QOP_TEX_S,
 136         /** Texture y coordinate parameter write */
 137         QOP_TEX_T,
 138         /** Texture border color parameter or cube map z coordinate write */
 139         QOP_TEX_R,
 140         /** Texture LOD bias parameter write */
 141         QOP_TEX_B,
 142
 143         /**
 144          * Texture-unit 4-byte read with address provided direct in S
 145          * cooordinate.
 146          *
 147          * The first operand is the offset from the start of the UBO, and the
 148          * second is the uniform that has the UBO's base pointer.
 149          */
 150         QOP_TEX_DIRECT,
 151
 152         /**
 153          * Signal of texture read being necessary and then reading r4 into
 154          * the destination
 155          */
 156         QOP_TEX_RESULT,
 157
 158         QOP_LOAD_IMM,
 159
 160         /* Jumps to block->successor[0] if the qinst->cond (as a
 161          * QPU_COND_BRANCH_*) passes, or block->successor[1] if not.  Note
 162          * that block->successor[1] may be unset if the condition is ALWAYS.
 163          */
 164         QOP_BRANCH,
 165
 166         /* Emits an ADD from src[0] to src[1], where src[0] must be a
 167          * QOP_LOAD_IMM result and src[1] is a QUNIFORM_UNIFORMS_ADDRESS,
 168          * required by the kernel as part of its branch validation.
 169          */
 170         QOP_UNIFORMS_RESET,
 171 };
 172
 173 struct queued_qpu_inst {
 174         struct list_head link;
 175         uint64_t inst;
 176 };
 177
 178 struct qinst {
 179         struct list_head link;
 180
 181         enum qop op;
 182         struct qreg dst;
 183         struct qreg *src;
 184         bool sf;
 185         uint8_t cond;
 186 };
 187
 188 enum qstage {
 189         /**
 190          * Coordinate shader, runs during binning, before the VS, and just
 191          * outputs position.
 192          */
 193         QSTAGE_COORD,
 194         QSTAGE_VERT,
 195         QSTAGE_FRAG,
 196 };
 197
 198 enum quniform_contents {
 199         /**
 200          * Indicates that a constant 32-bit value is copied from the program's
 201          * uniform contents.
 202          */
 203         QUNIFORM_CONSTANT,
 204         /**
 205          * Indicates that the program's uniform contents are used as an index
 206          * into the GL uniform storage.
 207          */
 208         QUNIFORM_UNIFORM,
 209
 210         /** @{
 211          * Scaling factors from clip coordinates to relative to the viewport
 212          * center.
 213          *
 214          * This is used by the coordinate and vertex shaders to produce the
 215          * 32-bit entry consisting of 2 16-bit fields with 12.4 signed fixed
 216          * point offsets from the viewport ccenter.
 217          */
 218         QUNIFORM_VIEWPORT_X_SCALE,
 219         QUNIFORM_VIEWPORT_Y_SCALE,
 220         /** @} */
 221
 222         QUNIFORM_VIEWPORT_Z_OFFSET,
 223         QUNIFORM_VIEWPORT_Z_SCALE,
 224
 225         QUNIFORM_USER_CLIP_PLANE,
 226
 227         /**
 228          * A reference to a texture config parameter 0 uniform.
 229          *
 230          * This is a uniform implicitly loaded with a QPU_W_TMU* write, which
 231          * defines texture type, miplevels, and such.  It will be found as a
 232          * parameter to the first QOP_TEX_[STRB] instruction in a sequence.
 233          */
 234         QUNIFORM_TEXTURE_CONFIG_P0,
 235
 236         /**
 237          * A reference to a texture config parameter 1 uniform.
 238          *
 239          * This is a uniform implicitly loaded with a QPU_W_TMU* write, which
 240          * defines texture width, height, filters, and wrap modes.  It will be
 241          * found as a parameter to the second QOP_TEX_[STRB] instruction in a
 242          * sequence.
 243          */
 244         QUNIFORM_TEXTURE_CONFIG_P1,
 245
 246         /** A reference to a texture config parameter 2 cubemap stride uniform */
 247         QUNIFORM_TEXTURE_CONFIG_P2,
 248
 249         QUNIFORM_TEXTURE_FIRST_LEVEL,
 250
 251         QUNIFORM_TEXTURE_MSAA_ADDR,
 252
 253         QUNIFORM_UBO_ADDR,
 254
 255         QUNIFORM_TEXRECT_SCALE_X,
 256         QUNIFORM_TEXRECT_SCALE_Y,
 257
 258         QUNIFORM_TEXTURE_BORDER_COLOR,
 259
 260         QUNIFORM_BLEND_CONST_COLOR_X,
 261         QUNIFORM_BLEND_CONST_COLOR_Y,
 262         QUNIFORM_BLEND_CONST_COLOR_Z,
 263         QUNIFORM_BLEND_CONST_COLOR_W,
 264         QUNIFORM_BLEND_CONST_COLOR_RGBA,
 265         QUNIFORM_BLEND_CONST_COLOR_AAAA,
 266
 267         QUNIFORM_STENCIL,
 268
 269         QUNIFORM_ALPHA_REF,
 270         QUNIFORM_SAMPLE_MASK,
 271
 272         /* Placeholder uniform that will be updated by the kernel when used by
 273          * an instruction writing to QPU_W_UNIFORMS_ADDRESS.
 274          */
 275         QUNIFORM_UNIFORMS_ADDRESS,
 276 };
 277
 278 struct vc4_varying_slot {
 279         uint8_t slot;
 280         uint8_t swizzle;
 281 };
 282
 283 struct vc4_compiler_ubo_range {
 284         /**
 285          * offset in bytes from the start of the ubo where this range is
 286          * uploaded.
 287          *
 288          * Only set once used is set.
 289          */
 290         uint32_t dst_offset;
 291
 292         /**
 293          * offset in bytes from the start of the gallium uniforms where the
 294          * data comes from.
 295          */
 296         uint32_t src_offset;
 297
 298         /** size in bytes of this ubo range */
 299         uint32_t size;
 300
 301         /**
 302          * Set if this range is used by the shader for indirect uniforms
 303          * access.
 304          */
 305         bool used;
 306 };
 307
 308 struct vc4_key {
 309         struct vc4_uncompiled_shader *shader_state;
 310         struct {
 311                 enum pipe_format format;
 312                 uint8_t swizzle[4];
 313                 union {
 314                         struct {
 315                                 unsigned compare_mode:1;
 316                                 unsigned compare_func:3;
 317                                 unsigned wrap_s:3;
 318                                 unsigned wrap_t:3;
 319                                 bool force_first_level:1;
 320                         };
 321                         struct {
 322                                 uint16_t msaa_width, msaa_height;
 323                         };
 324                 };
 325         } tex[VC4_MAX_TEXTURE_SAMPLERS];
 326         uint8_t ucp_enables;
 327 };
 328
 329 struct vc4_fs_key {
 330         struct vc4_key base;
 331         enum pipe_format color_format;
 332         bool depth_enabled;
 333         bool stencil_enabled;
 334         bool stencil_twoside;
 335         bool stencil_full_writemasks;
 336         bool is_points;
 337         bool is_lines;
 338         bool alpha_test;
 339         bool point_coord_upper_left;
 340         bool light_twoside;
 341         bool msaa;
 342         bool sample_coverage;
 343         bool sample_alpha_to_coverage;
 344         bool sample_alpha_to_one;
 345         uint8_t alpha_test_func;
 346         uint8_t logicop_func;
 347         uint32_t point_sprite_mask;
 348
 349         struct pipe_rt_blend_state blend;
 350 };
 351
 352 struct vc4_vs_key {
 353         struct vc4_key base;
 354
 355         const struct vc4_fs_inputs *fs_inputs;
 356         enum pipe_format attr_formats[8];
 357         bool is_coord;
 358         bool per_vertex_point_size;
 359         bool clamp_color;
 360 };
 361
 362 /** A basic block of QIR intructions. */
 363 struct qblock {
 364         struct list_head link;
 365
 366         struct list_head instructions;
 367         struct list_head qpu_inst_list;
 368
 369         struct set *predecessors;
 370         struct qblock *successors[2];
 371
 372         int index;
 373
 374         /* Instruction IPs for the first and last instruction of the block.
 375          * Set by vc4_qpu_schedule.c.
 376          */
 377         uint32_t start_qpu_ip;
 378         uint32_t end_qpu_ip;
 379
 380         /* Instruction IP for the branch instruction of the block.  Set by
 381          * vc4_qpu_schedule.c.
 382          */
 383         uint32_t branch_qpu_ip;
 384
 385         /** @{ used by vc4_qir_live_variables.c */
 386         BITSET_WORD *def;
 387         BITSET_WORD *use;
 388         BITSET_WORD *live_in;
 389         BITSET_WORD *live_out;
 390         int start_ip, end_ip;
 391         /** @} */
 392 };
 393
 394 struct vc4_compile {
 395         struct vc4_context *vc4;
 396         nir_shader *s;
 397         nir_function_impl *impl;
 398         struct exec_list *cf_node_list;
 399
 400         /**
 401          * Mapping from nir_register * or nir_ssa_def * to array of struct
 402          * qreg for the values.
 403          */
 404         struct hash_table *def_ht;
 405
 406         /* For each temp, the instruction generating its value. */
 407         struct qinst **defs;
 408         uint32_t defs_array_size;
 409
 410         /**
 411          * Inputs to the shader, arranged by TGSI declaration order.
 412          *
 413          * Not all fragment shader QFILE_VARY reads are present in this array.
 414          */
 415         struct qreg *inputs;
 416         struct qreg *outputs;
 417         bool msaa_per_sample_output;
 418         struct qreg color_reads[VC4_MAX_SAMPLES];
 419         struct qreg sample_colors[VC4_MAX_SAMPLES];
 420         uint32_t inputs_array_size;
 421         uint32_t outputs_array_size;
 422         uint32_t uniforms_array_size;
 423
 424         struct vc4_compiler_ubo_range *ubo_ranges;
 425         uint32_t ubo_ranges_array_size;
 426         /** Number of uniform areas declared in ubo_ranges. */
 427         uint32_t num_uniform_ranges;
 428         /** Number of uniform areas used for indirect addressed loads. */
 429         uint32_t num_ubo_ranges;
 430         uint32_t next_ubo_dst_offset;
 431
 432         /* State for whether we're executing on each channel currently.  0 if
 433          * yes, otherwise a block number + 1 that the channel jumped to.
 434          */
 435         struct qreg execute;
 436
 437         struct qreg line_x, point_x, point_y;
 438         struct qreg discard;
 439         struct qreg payload_FRAG_Z;
 440         struct qreg payload_FRAG_W;
 441
 442         uint8_t vattr_sizes[8];
 443
 444         /**
 445          * Array of the VARYING_SLOT_* of all FS QFILE_VARY reads.
 446          *
 447          * This includes those that aren't part of the VPM varyings, like
 448          * point/line coordinates.
 449          */
 450         struct vc4_varying_slot *input_slots;
 451         uint32_t num_input_slots;
 452         uint32_t input_slots_array_size;
 453
 454         /**
 455          * An entry per outputs[] in the VS indicating what the VARYING_SLOT_*
 456          * of the output is.  Used to emit from the VS in the order that the
 457          * FS needs.
 458          */
 459         struct vc4_varying_slot *output_slots;
 460
 461         struct pipe_shader_state *shader_state;
 462         struct vc4_key *key;
 463         struct vc4_fs_key *fs_key;
 464         struct vc4_vs_key *vs_key;
 465
 466         /* Live ranges of temps. */
 467         int *temp_start, *temp_end;
 468
 469         uint32_t *uniform_data;
 470         enum quniform_contents *uniform_contents;
 471         uint32_t uniform_array_size;
 472         uint32_t num_uniforms;
 473         uint32_t num_outputs;
 474         uint32_t num_texture_samples;
 475         uint32_t output_position_index;
 476         uint32_t output_color_index;
 477         uint32_t output_point_size_index;
 478         uint32_t output_sample_mask_index;
 479
 480         struct qreg undef;
 481         enum qstage stage;
 482         uint32_t num_temps;
 483
 484         struct list_head blocks;
 485         int next_block_index;
 486         struct qblock *cur_block;
 487         struct qblock *loop_cont_block;
 488         struct qblock *loop_break_block;
 489
 490         struct list_head qpu_inst_list;
 491
 492         uint64_t *qpu_insts;
 493         uint32_t qpu_inst_count;
 494         uint32_t qpu_inst_size;
 495         uint32_t num_inputs;
 496
 497         uint32_t program_id;
 498         uint32_t variant_id;
 499 };
 500
 501 /* Special nir_load_input intrinsic index for loading the current TLB
 502  * destination color.
 503  */
 504 #define VC4_NIR_TLB_COLOR_READ_INPUT            2000000000
 505
 506 #define VC4_NIR_MS_MASK_OUTPUT                  2000000000
 507
 508 /* Special offset for nir_load_uniform values to get a QUNIFORM_*
 509  * state-dependent value.
 510  */
 511 #define VC4_NIR_STATE_UNIFORM_OFFSET            1000000000
 512
 513 struct vc4_compile *qir_compile_init(void);
 514 void qir_compile_destroy(struct vc4_compile *c);
 515 struct qblock *qir_new_block(struct vc4_compile *c);
 516 void qir_set_emit_block(struct vc4_compile *c, struct qblock *block);
 517 void qir_link_blocks(struct qblock *predecessor, struct qblock *successor);
 518 struct qblock *qir_entry_block(struct vc4_compile *c);
 519 struct qblock *qir_exit_block(struct vc4_compile *c);
 520 struct qinst *qir_inst(enum qop op, struct qreg dst,
 521                        struct qreg src0, struct qreg src1);
 522 struct qinst *qir_inst4(enum qop op, struct qreg dst,
 523                         struct qreg a,
 524                         struct qreg b,
 525                         struct qreg c,
 526                         struct qreg d);
 527 void qir_remove_instruction(struct vc4_compile *c, struct qinst *qinst);
 528 struct qreg qir_uniform(struct vc4_compile *c,
 529                         enum quniform_contents contents,
 530                         uint32_t data);
 531 void qir_schedule_instructions(struct vc4_compile *c);
 532 void qir_reorder_uniforms(struct vc4_compile *c);
 533 void qir_emit_uniform_stream_resets(struct vc4_compile *c);
 534
 535 struct qreg qir_emit_def(struct vc4_compile *c, struct qinst *inst);
 536 struct qinst *qir_emit_nondef(struct vc4_compile *c, struct qinst *inst);
 537
 538 struct qreg qir_get_temp(struct vc4_compile *c);
 539 void qir_calculate_live_intervals(struct vc4_compile *c);
 540 int qir_get_op_nsrc(enum qop qop);
 541 bool qir_reg_equals(struct qreg a, struct qreg b);
 542 bool qir_has_side_effects(struct vc4_compile *c, struct qinst *inst);
 543 bool qir_has_side_effect_reads(struct vc4_compile *c, struct qinst *inst);
 544 bool qir_is_mul(struct qinst *inst);
 545 bool qir_is_raw_mov(struct qinst *inst);
 546 bool qir_is_tex(struct qinst *inst);
 547 bool qir_is_float_input(struct qinst *inst);
 548 bool qir_depends_on_flags(struct qinst *inst);
 549 bool qir_writes_r4(struct qinst *inst);
 550 struct qreg qir_follow_movs(struct vc4_compile *c, struct qreg reg);
 551 uint8_t qir_channels_written(struct qinst *inst);
 552
 553 void qir_dump(struct vc4_compile *c);
 554 void qir_dump_inst(struct vc4_compile *c, struct qinst *inst);
 555 const char *qir_get_stage_name(enum qstage stage);
 556
 557 void qir_validate(struct vc4_compile *c);
 558
 559 void qir_optimize(struct vc4_compile *c);
 560 bool qir_opt_algebraic(struct vc4_compile *c);
 561 bool qir_opt_constant_folding(struct vc4_compile *c);
 562 bool qir_opt_copy_propagation(struct vc4_compile *c);
 563 bool qir_opt_dead_code(struct vc4_compile *c);
 564 bool qir_opt_peephole_sf(struct vc4_compile *c);
 565 bool qir_opt_small_immediates(struct vc4_compile *c);
 566 bool qir_opt_vpm(struct vc4_compile *c);
 567 void vc4_nir_lower_blend(nir_shader *s, struct vc4_compile *c);
 568 void vc4_nir_lower_io(nir_shader *s, struct vc4_compile *c);
 569 nir_ssa_def *vc4_nir_get_state_uniform(struct nir_builder *b,
 570                                        enum quniform_contents contents);
 571 nir_ssa_def *vc4_nir_get_swizzled_channel(struct nir_builder *b,
 572                                           nir_ssa_def **srcs, int swiz);
 573 void vc4_nir_lower_txf_ms(nir_shader *s, struct vc4_compile *c);
 574 void qir_lower_uniforms(struct vc4_compile *c);
 575
 576 uint32_t qpu_schedule_instructions(struct vc4_compile *c);
 577
 578 void qir_SF(struct vc4_compile *c, struct qreg src);
 579
 580 static inline struct qreg
 581 qir_uniform_ui(struct vc4_compile *c, uint32_t ui)
 582 {
 583         return qir_uniform(c, QUNIFORM_CONSTANT, ui);
 584 }
 585
 586 static inline struct qreg
 587 qir_uniform_f(struct vc4_compile *c, float f)
 588 {
 589         return qir_uniform(c, QUNIFORM_CONSTANT, fui(f));
 590 }
 591
 592 #define QIR_ALU0(name)                                                   \
 593 static inline struct qreg                                                \
 594 qir_##name(struct vc4_compile *c)                                        \
 595 {                                                                        \
 596         return qir_emit_def(c, qir_inst(QOP_##name, c->undef,            \
 597                                         c->undef, c->undef));            \
 598 }                                                                        \
 599 static inline struct qinst *                                             \
 600 qir_##name##_dest(struct vc4_compile *c, struct qreg dest)               \
 601 {                                                                        \
 602         return qir_emit_nondef(c, qir_inst(QOP_##name, dest,             \
 603                                            c->undef, c->undef));         \
 604 }
 605
 606 #define QIR_ALU1(name)                                                   \
 607 static inline struct qreg                                                \
 608 qir_##name(struct vc4_compile *c, struct qreg a)                         \
 609 {                                                                        \
 610         return qir_emit_def(c, qir_inst(QOP_##name, c->undef,            \
 611                                         a, c->undef));                   \
 612 }                                                                        \
 613 static inline struct qinst *                                             \
 614 qir_##name##_dest(struct vc4_compile *c, struct qreg dest,               \
 615                   struct qreg a)                                         \
 616 {                                                                        \
 617         return qir_emit_nondef(c, qir_inst(QOP_##name, dest, a,          \
 618                                            c->undef));                   \
 619 }
 620
 621 #define QIR_ALU2(name)                                                   \
 622 static inline struct qreg                                                \
 623 qir_##name(struct vc4_compile *c, struct qreg a, struct qreg b)          \
 624 {                                                                        \
 625         return qir_emit_def(c, qir_inst(QOP_##name, c->undef, a, b));    \
 626 }                                                                        \
 627 static inline struct qinst *                                             \
 628 qir_##name##_dest(struct vc4_compile *c, struct qreg dest,               \
 629                   struct qreg a, struct qreg b)                          \
 630 {                                                                        \
 631         return qir_emit_nondef(c, qir_inst(QOP_##name, dest, a, b));     \
 632 }
 633
 634 #define QIR_NODST_1(name)                                               \
 635 static inline struct qinst *                                            \
 636 qir_##name(struct vc4_compile *c, struct qreg a)                        \
 637 {                                                                       \
 638         return qir_emit_nondef(c, qir_inst(QOP_##name, c->undef,        \
 639                                            a, c->undef));               \
 640 }
 641
 642 #define QIR_NODST_2(name)                                               \
 643 static inline struct qinst *                                            \
 644 qir_##name(struct vc4_compile *c, struct qreg a, struct qreg b)         \
 645 {                                                                       \
 646         return qir_emit_nondef(c, qir_inst(QOP_##name, c->undef,        \
 647                                            a, b));                      \
 648 }
 649
 650 #define QIR_PAYLOAD(name)                                                \
 651 static inline struct qreg                                                \
 652 qir_##name(struct vc4_compile *c)                                        \
 653 {                                                                        \
 654         struct qreg *payload = &c->payload_##name;                       \
 655         if (payload->file != QFILE_NULL)                                 \
 656                 return *payload;                                         \
 657         *payload = qir_get_temp(c);                                      \
 658         struct qinst *inst = qir_inst(QOP_##name, *payload,              \
 659                                       c->undef, c->undef);               \
 660         struct qblock *entry = qir_entry_block(c);                       \
 661         list_add(&inst->link, &entry->instructions);                     \
 662         c->defs[payload->index] = inst;                                  \
 663         return *payload;                                                 \
 664 }
 665
 666 QIR_ALU1(MOV)
 667 QIR_ALU1(FMOV)
 668 QIR_ALU1(MMOV)
 669 QIR_ALU2(FADD)
 670 QIR_ALU2(FSUB)
 671 QIR_ALU2(FMUL)
 672 QIR_ALU2(V8MULD)
 673 QIR_ALU2(V8MIN)
 674 QIR_ALU2(V8MAX)
 675 QIR_ALU2(V8ADDS)
 676 QIR_ALU2(V8SUBS)
 677 QIR_ALU2(MUL24)
 678 QIR_ALU2(FMIN)
 679 QIR_ALU2(FMAX)
 680 QIR_ALU2(FMINABS)
 681 QIR_ALU2(FMAXABS)
 682 QIR_ALU1(FTOI)
 683 QIR_ALU1(ITOF)
 684
 685 QIR_ALU2(ADD)
 686 QIR_ALU2(SUB)
 687 QIR_ALU2(SHL)
 688 QIR_ALU2(SHR)
 689 QIR_ALU2(ASR)
 690 QIR_ALU2(MIN)
 691 QIR_ALU2(MAX)
 692 QIR_ALU2(AND)
 693 QIR_ALU2(OR)
 694 QIR_ALU2(XOR)
 695 QIR_ALU1(NOT)
 696
 697 QIR_ALU1(RCP)
 698 QIR_ALU1(RSQ)
 699 QIR_ALU1(EXP2)
 700 QIR_ALU1(LOG2)
 701 QIR_ALU1(VARY_ADD_C)
 702 QIR_NODST_2(TEX_S)
 703 QIR_NODST_2(TEX_T)
 704 QIR_NODST_2(TEX_R)
 705 QIR_NODST_2(TEX_B)
 706 QIR_NODST_2(TEX_DIRECT)
 707 QIR_PAYLOAD(FRAG_Z)
 708 QIR_PAYLOAD(FRAG_W)
 709 QIR_ALU0(TEX_RESULT)
 710 QIR_ALU0(TLB_COLOR_READ)
 711 QIR_NODST_1(MS_MASK)
 712
 713 static inline struct qreg
 714 qir_SEL(struct vc4_compile *c, uint8_t cond, struct qreg src0, struct qreg src1)
 715 {
 716         struct qreg t = qir_get_temp(c);
 717         struct qinst *a = qir_MOV_dest(c, t, src0);
 718         struct qinst *b = qir_MOV_dest(c, t, src1);
 719         a->cond = cond;
 720         b->cond = qpu_cond_complement(cond);
 721         return t;
 722 }
 723
 724 static inline struct qreg
 725 qir_UNPACK_8_F(struct vc4_compile *c, struct qreg src, int i)
 726 {
 727         struct qreg t = qir_FMOV(c, src);
 728         c->defs[t.index]->src[0].pack = QPU_UNPACK_8A + i;
 729         return t;
 730 }
 731
 732 static inline struct qreg
 733 qir_UNPACK_8_I(struct vc4_compile *c, struct qreg src, int i)
 734 {
 735         struct qreg t = qir_MOV(c, src);
 736         c->defs[t.index]->src[0].pack = QPU_UNPACK_8A + i;
 737         return t;
 738 }
 739
 740 static inline struct qreg
 741 qir_UNPACK_16_F(struct vc4_compile *c, struct qreg src, int i)
 742 {
 743         struct qreg t = qir_FMOV(c, src);
 744         c->defs[t.index]->src[0].pack = QPU_UNPACK_16A + i;
 745         return t;
 746 }
 747
 748 static inline struct qreg
 749 qir_UNPACK_16_I(struct vc4_compile *c, struct qreg src, int i)
 750 {
 751         struct qreg t = qir_MOV(c, src);
 752         c->defs[t.index]->src[0].pack = QPU_UNPACK_16A + i;
 753         return t;
 754 }
 755
 756 static inline void
 757 qir_PACK_8_F(struct vc4_compile *c, struct qreg dest, struct qreg val, int chan)
 758 {
 759         assert(!dest.pack);
 760         dest.pack = QPU_PACK_MUL_8A + chan;
 761         qir_emit_nondef(c, qir_inst(QOP_MMOV, dest, val, c->undef));
 762 }
 763
 764 static inline struct qreg
 765 qir_PACK_8888_F(struct vc4_compile *c, struct qreg val)
 766 {
 767         struct qreg dest = qir_MMOV(c, val);
 768         c->defs[dest.index]->dst.pack = QPU_PACK_MUL_8888;
 769         return dest;
 770 }
 771
 772 static inline struct qreg
 773 qir_POW(struct vc4_compile *c, struct qreg x, struct qreg y)
 774 {
 775         return qir_EXP2(c, qir_FMUL(c,
 776                                     y,
 777                                     qir_LOG2(c, x)));
 778 }
 779
 780 static inline void
 781 qir_VPM_WRITE(struct vc4_compile *c, struct qreg val)
 782 {
 783         qir_MOV_dest(c, qir_reg(QFILE_VPM, 0), val);
 784 }
 785
 786 static inline struct qreg
 787 qir_LOAD_IMM(struct vc4_compile *c, uint32_t val)
 788 {
 789         return qir_emit_def(c, qir_inst(QOP_LOAD_IMM, c->undef,
 790                                         qir_reg(QFILE_LOAD_IMM, val), c->undef));
 791 }
 792
 793 static inline void
 794 qir_MOV_cond(struct vc4_compile *c, uint8_t cond,
 795              struct qreg dest, struct qreg src)
 796 {
 797         qir_MOV_dest(c, dest, src)->cond = cond;
 798 }
 799
 800 static inline struct qinst *
 801 qir_BRANCH(struct vc4_compile *c, uint8_t cond)
 802 {
 803         struct qinst *inst = qir_inst(QOP_BRANCH, c->undef, c->undef, c->undef);
 804         inst->cond = cond;
 805         qir_emit_nondef(c, inst);
 806         return inst;
 807 }
 808
 809 #define qir_for_each_block(block, c)                                    \
 810         list_for_each_entry(struct qblock, block, &c->blocks, link)
 811
 812 #define qir_for_each_block_rev(block, c)                                \
 813         list_for_each_entry_rev(struct qblock, block, &c->blocks, link)
 814
 815 /* Loop over the non-NULL members of the successors array. */
 816 #define qir_for_each_successor(succ, block)                             \
 817         for (struct qblock *succ = block->successors[0];                \
 818              succ != NULL;                                              \
 819              succ = (succ == block->successors[1] ? NULL :              \
 820                      block->successors[1]))
 821
 822 #define qir_for_each_inst(inst, block)                                  \
 823         list_for_each_entry(struct qinst, inst, &block->instructions, link)
 824
 825 #define qir_for_each_inst_rev(inst, block)                                  \
 826         list_for_each_entry_rev(struct qinst, inst, &block->instructions, link)
 827
 828 #define qir_for_each_inst_safe(inst, block)                             \
 829         list_for_each_entry_safe(struct qinst, inst, &block->instructions, link)
 830
 831 #define qir_for_each_inst_inorder(inst, c)                              \
 832         qir_for_each_block(_block, c)                                   \
 833                 qir_for_each_inst(inst, _block)
 834
 835 #endif /* VC4_QIR_H */