vc4_qir.h revision bc1fc9c98539f38f5a29b314d4a993a2e2f7ca0a
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
45struct nir_builder;
46
47enum 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
78struct qreg {
79        enum qfile file;
80        uint32_t index;
81        int pack;
82};
83
84static inline struct qreg qir_reg(enum qfile file, uint32_t index)
85{
86        return (struct qreg){file, index};
87}
88
89enum 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
173struct queued_qpu_inst {
174        struct list_head link;
175        uint64_t inst;
176};
177
178struct 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
188enum 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
198enum 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
278struct vc4_varying_slot {
279        uint8_t slot;
280        uint8_t swizzle;
281};
282
283struct 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
308struct 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
329struct 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
352struct vc4_vs_key {
353        struct vc4_key base;
354
355        /**
356         * This is a proxy for the array of FS input semantics, which is
357         * larger than we would want to put in the key.
358         */
359        uint64_t compiled_fs_id;
360
361        enum pipe_format attr_formats[8];
362        bool is_coord;
363        bool per_vertex_point_size;
364        bool clamp_color;
365};
366
367/** A basic block of QIR intructions. */
368struct qblock {
369        struct list_head link;
370
371        struct list_head instructions;
372        struct list_head qpu_inst_list;
373
374        struct set *predecessors;
375        struct qblock *successors[2];
376
377        int index;
378
379        /* Instruction IPs for the first and last instruction of the block.
380         * Set by vc4_qpu_schedule.c.
381         */
382        uint32_t start_qpu_ip;
383        uint32_t end_qpu_ip;
384
385        /* Instruction IP for the branch instruction of the block.  Set by
386         * vc4_qpu_schedule.c.
387         */
388        uint32_t branch_qpu_ip;
389
390        /** @{ used by vc4_qir_live_variables.c */
391        BITSET_WORD *def;
392        BITSET_WORD *use;
393        BITSET_WORD *live_in;
394        BITSET_WORD *live_out;
395        int start_ip, end_ip;
396        /** @} */
397};
398
399struct vc4_compile {
400        struct vc4_context *vc4;
401        nir_shader *s;
402        nir_function_impl *impl;
403        struct exec_list *cf_node_list;
404
405        /**
406         * Mapping from nir_register * or nir_ssa_def * to array of struct
407         * qreg for the values.
408         */
409        struct hash_table *def_ht;
410
411        /* For each temp, the instruction generating its value. */
412        struct qinst **defs;
413        uint32_t defs_array_size;
414
415        /**
416         * Inputs to the shader, arranged by TGSI declaration order.
417         *
418         * Not all fragment shader QFILE_VARY reads are present in this array.
419         */
420        struct qreg *inputs;
421        struct qreg *outputs;
422        bool msaa_per_sample_output;
423        struct qreg color_reads[VC4_MAX_SAMPLES];
424        struct qreg sample_colors[VC4_MAX_SAMPLES];
425        uint32_t inputs_array_size;
426        uint32_t outputs_array_size;
427        uint32_t uniforms_array_size;
428
429        struct vc4_compiler_ubo_range *ubo_ranges;
430        uint32_t ubo_ranges_array_size;
431        /** Number of uniform areas declared in ubo_ranges. */
432        uint32_t num_uniform_ranges;
433        /** Number of uniform areas used for indirect addressed loads. */
434        uint32_t num_ubo_ranges;
435        uint32_t next_ubo_dst_offset;
436
437        /* State for whether we're executing on each channel currently.  0 if
438         * yes, otherwise a block number + 1 that the channel jumped to.
439         */
440        struct qreg execute;
441
442        struct qreg line_x, point_x, point_y;
443        struct qreg discard;
444        struct qreg payload_FRAG_Z;
445        struct qreg payload_FRAG_W;
446
447        uint8_t vattr_sizes[8];
448
449        /**
450         * Array of the VARYING_SLOT_* of all FS QFILE_VARY reads.
451         *
452         * This includes those that aren't part of the VPM varyings, like
453         * point/line coordinates.
454         */
455        struct vc4_varying_slot *input_slots;
456        uint32_t num_input_slots;
457        uint32_t input_slots_array_size;
458
459        /**
460         * An entry per outputs[] in the VS indicating what the VARYING_SLOT_*
461         * of the output is.  Used to emit from the VS in the order that the
462         * FS needs.
463         */
464        struct vc4_varying_slot *output_slots;
465
466        struct pipe_shader_state *shader_state;
467        struct vc4_key *key;
468        struct vc4_fs_key *fs_key;
469        struct vc4_vs_key *vs_key;
470
471        /* Live ranges of temps. */
472        int *temp_start, *temp_end;
473
474        uint32_t *uniform_data;
475        enum quniform_contents *uniform_contents;
476        uint32_t uniform_array_size;
477        uint32_t num_uniforms;
478        uint32_t num_outputs;
479        uint32_t num_texture_samples;
480        uint32_t output_position_index;
481        uint32_t output_color_index;
482        uint32_t output_point_size_index;
483        uint32_t output_sample_mask_index;
484
485        struct qreg undef;
486        enum qstage stage;
487        uint32_t num_temps;
488
489        struct list_head blocks;
490        int next_block_index;
491        struct qblock *cur_block;
492        struct qblock *loop_cont_block;
493        struct qblock *loop_break_block;
494
495        struct list_head qpu_inst_list;
496
497        uint64_t *qpu_insts;
498        uint32_t qpu_inst_count;
499        uint32_t qpu_inst_size;
500        uint32_t num_inputs;
501
502        uint32_t program_id;
503        uint32_t variant_id;
504};
505
506/* Special nir_load_input intrinsic index for loading the current TLB
507 * destination color.
508 */
509#define VC4_NIR_TLB_COLOR_READ_INPUT		2000000000
510
511#define VC4_NIR_MS_MASK_OUTPUT			2000000000
512
513/* Special offset for nir_load_uniform values to get a QUNIFORM_*
514 * state-dependent value.
515 */
516#define VC4_NIR_STATE_UNIFORM_OFFSET		1000000000
517
518struct vc4_compile *qir_compile_init(void);
519void qir_compile_destroy(struct vc4_compile *c);
520struct qblock *qir_new_block(struct vc4_compile *c);
521void qir_set_emit_block(struct vc4_compile *c, struct qblock *block);
522void qir_link_blocks(struct qblock *predecessor, struct qblock *successor);
523struct qblock *qir_entry_block(struct vc4_compile *c);
524struct qblock *qir_exit_block(struct vc4_compile *c);
525struct qinst *qir_inst(enum qop op, struct qreg dst,
526                       struct qreg src0, struct qreg src1);
527struct qinst *qir_inst4(enum qop op, struct qreg dst,
528                        struct qreg a,
529                        struct qreg b,
530                        struct qreg c,
531                        struct qreg d);
532void qir_remove_instruction(struct vc4_compile *c, struct qinst *qinst);
533struct qreg qir_uniform(struct vc4_compile *c,
534                        enum quniform_contents contents,
535                        uint32_t data);
536void qir_schedule_instructions(struct vc4_compile *c);
537void qir_reorder_uniforms(struct vc4_compile *c);
538void qir_emit_uniform_stream_resets(struct vc4_compile *c);
539
540struct qreg qir_emit_def(struct vc4_compile *c, struct qinst *inst);
541struct qinst *qir_emit_nondef(struct vc4_compile *c, struct qinst *inst);
542
543struct qreg qir_get_temp(struct vc4_compile *c);
544void qir_calculate_live_intervals(struct vc4_compile *c);
545int qir_get_op_nsrc(enum qop qop);
546bool qir_reg_equals(struct qreg a, struct qreg b);
547bool qir_has_side_effects(struct vc4_compile *c, struct qinst *inst);
548bool qir_has_side_effect_reads(struct vc4_compile *c, struct qinst *inst);
549bool qir_is_mul(struct qinst *inst);
550bool qir_is_raw_mov(struct qinst *inst);
551bool qir_is_tex(struct qinst *inst);
552bool qir_is_float_input(struct qinst *inst);
553bool qir_depends_on_flags(struct qinst *inst);
554bool qir_writes_r4(struct qinst *inst);
555struct qreg qir_follow_movs(struct vc4_compile *c, struct qreg reg);
556uint8_t qir_channels_written(struct qinst *inst);
557
558void qir_dump(struct vc4_compile *c);
559void qir_dump_inst(struct vc4_compile *c, struct qinst *inst);
560const char *qir_get_stage_name(enum qstage stage);
561
562void qir_validate(struct vc4_compile *c);
563
564void qir_optimize(struct vc4_compile *c);
565bool qir_opt_algebraic(struct vc4_compile *c);
566bool qir_opt_constant_folding(struct vc4_compile *c);
567bool qir_opt_copy_propagation(struct vc4_compile *c);
568bool qir_opt_dead_code(struct vc4_compile *c);
569bool qir_opt_peephole_sf(struct vc4_compile *c);
570bool qir_opt_small_immediates(struct vc4_compile *c);
571bool qir_opt_vpm(struct vc4_compile *c);
572void vc4_nir_lower_blend(nir_shader *s, struct vc4_compile *c);
573void vc4_nir_lower_io(nir_shader *s, struct vc4_compile *c);
574nir_ssa_def *vc4_nir_get_state_uniform(struct nir_builder *b,
575                                       enum quniform_contents contents);
576nir_ssa_def *vc4_nir_get_swizzled_channel(struct nir_builder *b,
577                                          nir_ssa_def **srcs, int swiz);
578void vc4_nir_lower_txf_ms(nir_shader *s, struct vc4_compile *c);
579void qir_lower_uniforms(struct vc4_compile *c);
580
581uint32_t qpu_schedule_instructions(struct vc4_compile *c);
582
583void qir_SF(struct vc4_compile *c, struct qreg src);
584
585static inline struct qreg
586qir_uniform_ui(struct vc4_compile *c, uint32_t ui)
587{
588        return qir_uniform(c, QUNIFORM_CONSTANT, ui);
589}
590
591static inline struct qreg
592qir_uniform_f(struct vc4_compile *c, float f)
593{
594        return qir_uniform(c, QUNIFORM_CONSTANT, fui(f));
595}
596
597#define QIR_ALU0(name)                                                   \
598static inline struct qreg                                                \
599qir_##name(struct vc4_compile *c)                                        \
600{                                                                        \
601        return qir_emit_def(c, qir_inst(QOP_##name, c->undef,            \
602                                        c->undef, c->undef));            \
603}                                                                        \
604static inline struct qinst *                                             \
605qir_##name##_dest(struct vc4_compile *c, struct qreg dest)               \
606{                                                                        \
607        return qir_emit_nondef(c, qir_inst(QOP_##name, dest,             \
608                                           c->undef, c->undef));         \
609}
610
611#define QIR_ALU1(name)                                                   \
612static inline struct qreg                                                \
613qir_##name(struct vc4_compile *c, struct qreg a)                         \
614{                                                                        \
615        return qir_emit_def(c, qir_inst(QOP_##name, c->undef,            \
616                                        a, c->undef));                   \
617}                                                                        \
618static inline struct qinst *                                             \
619qir_##name##_dest(struct vc4_compile *c, struct qreg dest,               \
620                  struct qreg a)                                         \
621{                                                                        \
622        return qir_emit_nondef(c, qir_inst(QOP_##name, dest, a,          \
623                                           c->undef));                   \
624}
625
626#define QIR_ALU2(name)                                                   \
627static inline struct qreg                                                \
628qir_##name(struct vc4_compile *c, struct qreg a, struct qreg b)          \
629{                                                                        \
630        return qir_emit_def(c, qir_inst(QOP_##name, c->undef, a, b));    \
631}                                                                        \
632static inline struct qinst *                                             \
633qir_##name##_dest(struct vc4_compile *c, struct qreg dest,               \
634                  struct qreg a, struct qreg b)                          \
635{                                                                        \
636        return qir_emit_nondef(c, qir_inst(QOP_##name, dest, a, b));     \
637}
638
639#define QIR_NODST_1(name)                                               \
640static inline struct qinst *                                            \
641qir_##name(struct vc4_compile *c, struct qreg a)                        \
642{                                                                       \
643        return qir_emit_nondef(c, qir_inst(QOP_##name, c->undef,        \
644                                           a, c->undef));               \
645}
646
647#define QIR_NODST_2(name)                                               \
648static inline struct qinst *                                            \
649qir_##name(struct vc4_compile *c, struct qreg a, struct qreg b)         \
650{                                                                       \
651        return qir_emit_nondef(c, qir_inst(QOP_##name, c->undef,        \
652                                           a, b));                      \
653}
654
655#define QIR_PAYLOAD(name)                                                \
656static inline struct qreg                                                \
657qir_##name(struct vc4_compile *c)                                        \
658{                                                                        \
659        struct qreg *payload = &c->payload_##name;                       \
660        if (payload->file != QFILE_NULL)                                 \
661                return *payload;                                         \
662        *payload = qir_get_temp(c);                                      \
663        struct qinst *inst = qir_inst(QOP_##name, *payload,              \
664                                      c->undef, c->undef);               \
665        struct qblock *entry = qir_entry_block(c);                       \
666        list_add(&inst->link, &entry->instructions);                     \
667        c->defs[payload->index] = inst;                                  \
668        return *payload;                                                 \
669}
670
671QIR_ALU1(MOV)
672QIR_ALU1(FMOV)
673QIR_ALU1(MMOV)
674QIR_ALU2(FADD)
675QIR_ALU2(FSUB)
676QIR_ALU2(FMUL)
677QIR_ALU2(V8MULD)
678QIR_ALU2(V8MIN)
679QIR_ALU2(V8MAX)
680QIR_ALU2(V8ADDS)
681QIR_ALU2(V8SUBS)
682QIR_ALU2(MUL24)
683QIR_ALU2(FMIN)
684QIR_ALU2(FMAX)
685QIR_ALU2(FMINABS)
686QIR_ALU2(FMAXABS)
687QIR_ALU1(FTOI)
688QIR_ALU1(ITOF)
689
690QIR_ALU2(ADD)
691QIR_ALU2(SUB)
692QIR_ALU2(SHL)
693QIR_ALU2(SHR)
694QIR_ALU2(ASR)
695QIR_ALU2(MIN)
696QIR_ALU2(MAX)
697QIR_ALU2(AND)
698QIR_ALU2(OR)
699QIR_ALU2(XOR)
700QIR_ALU1(NOT)
701
702QIR_ALU1(RCP)
703QIR_ALU1(RSQ)
704QIR_ALU1(EXP2)
705QIR_ALU1(LOG2)
706QIR_ALU1(VARY_ADD_C)
707QIR_NODST_2(TEX_S)
708QIR_NODST_2(TEX_T)
709QIR_NODST_2(TEX_R)
710QIR_NODST_2(TEX_B)
711QIR_NODST_2(TEX_DIRECT)
712QIR_PAYLOAD(FRAG_Z)
713QIR_PAYLOAD(FRAG_W)
714QIR_ALU0(TEX_RESULT)
715QIR_ALU0(TLB_COLOR_READ)
716QIR_NODST_1(MS_MASK)
717
718static inline struct qreg
719qir_SEL(struct vc4_compile *c, uint8_t cond, struct qreg src0, struct qreg src1)
720{
721        struct qreg t = qir_get_temp(c);
722        struct qinst *a = qir_MOV_dest(c, t, src0);
723        struct qinst *b = qir_MOV_dest(c, t, src1);
724        a->cond = cond;
725        b->cond = qpu_cond_complement(cond);
726        return t;
727}
728
729static inline struct qreg
730qir_UNPACK_8_F(struct vc4_compile *c, struct qreg src, int i)
731{
732        struct qreg t = qir_FMOV(c, src);
733        c->defs[t.index]->src[0].pack = QPU_UNPACK_8A + i;
734        return t;
735}
736
737static inline struct qreg
738qir_UNPACK_8_I(struct vc4_compile *c, struct qreg src, int i)
739{
740        struct qreg t = qir_MOV(c, src);
741        c->defs[t.index]->src[0].pack = QPU_UNPACK_8A + i;
742        return t;
743}
744
745static inline struct qreg
746qir_UNPACK_16_F(struct vc4_compile *c, struct qreg src, int i)
747{
748        struct qreg t = qir_FMOV(c, src);
749        c->defs[t.index]->src[0].pack = QPU_UNPACK_16A + i;
750        return t;
751}
752
753static inline struct qreg
754qir_UNPACK_16_I(struct vc4_compile *c, struct qreg src, int i)
755{
756        struct qreg t = qir_MOV(c, src);
757        c->defs[t.index]->src[0].pack = QPU_UNPACK_16A + i;
758        return t;
759}
760
761static inline void
762qir_PACK_8_F(struct vc4_compile *c, struct qreg dest, struct qreg val, int chan)
763{
764        assert(!dest.pack);
765        dest.pack = QPU_PACK_MUL_8A + chan;
766        qir_emit_nondef(c, qir_inst(QOP_MMOV, dest, val, c->undef));
767}
768
769static inline struct qreg
770qir_PACK_8888_F(struct vc4_compile *c, struct qreg val)
771{
772        struct qreg dest = qir_MMOV(c, val);
773        c->defs[dest.index]->dst.pack = QPU_PACK_MUL_8888;
774        return dest;
775}
776
777static inline struct qreg
778qir_POW(struct vc4_compile *c, struct qreg x, struct qreg y)
779{
780        return qir_EXP2(c, qir_FMUL(c,
781                                    y,
782                                    qir_LOG2(c, x)));
783}
784
785static inline void
786qir_VPM_WRITE(struct vc4_compile *c, struct qreg val)
787{
788        qir_MOV_dest(c, qir_reg(QFILE_VPM, 0), val);
789}
790
791static inline struct qreg
792qir_LOAD_IMM(struct vc4_compile *c, uint32_t val)
793{
794        return qir_emit_def(c, qir_inst(QOP_LOAD_IMM, c->undef,
795                                        qir_reg(QFILE_LOAD_IMM, val), c->undef));
796}
797
798static inline void
799qir_MOV_cond(struct vc4_compile *c, uint8_t cond,
800             struct qreg dest, struct qreg src)
801{
802        qir_MOV_dest(c, dest, src)->cond = cond;
803}
804
805static inline struct qinst *
806qir_BRANCH(struct vc4_compile *c, uint8_t cond)
807{
808        struct qinst *inst = qir_inst(QOP_BRANCH, c->undef, c->undef, c->undef);
809        inst->cond = cond;
810        qir_emit_nondef(c, inst);
811        return inst;
812}
813
814#define qir_for_each_block(block, c)                                    \
815        list_for_each_entry(struct qblock, block, &c->blocks, link)
816
817#define qir_for_each_block_rev(block, c)                                \
818        list_for_each_entry_rev(struct qblock, block, &c->blocks, link)
819
820/* Loop over the non-NULL members of the successors array. */
821#define qir_for_each_successor(succ, block)                             \
822        for (struct qblock *succ = block->successors[0];                \
823             succ != NULL;                                              \
824             succ = (succ == block->successors[1] ? NULL :              \
825                     block->successors[1]))
826
827#define qir_for_each_inst(inst, block)                                  \
828        list_for_each_entry(struct qinst, inst, &block->instructions, link)
829
830#define qir_for_each_inst_rev(inst, block)                                  \
831        list_for_each_entry_rev(struct qinst, inst, &block->instructions, link)
832
833#define qir_for_each_inst_safe(inst, block)                             \
834        list_for_each_entry_safe(struct qinst, inst, &block->instructions, link)
835
836#define qir_for_each_inst_inorder(inst, c)                              \
837        qir_for_each_block(_block, c)                                   \
838                qir_for_each_inst(inst, _block)
839
840#endif /* VC4_QIR_H */
841