2 * Copyright © 2016 Broadcom
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:
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
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
24 #ifndef V3D_COMPILER_H
25 #define V3D_COMPILER_H
34 #include "util/macros.h"
35 #include "common/v3d_debug.h"
36 #include "common/v3d_device_info.h"
37 #include "compiler/nir/nir.h"
38 #include "util/list.h"
39 #include "util/u_math.h"
41 #include "qpu/qpu_instr.h"
42 #include "pipe/p_state.h"
44 #define V3D_MAX_TEXTURE_SAMPLERS 32
45 #define V3D_MAX_SAMPLES 4
46 #define V3D_MAX_FS_INPUTS 64
47 #define V3D_MAX_VS_INPUTS 64
51 struct v3d_fs_inputs
{
53 * Array of the meanings of the VPM inputs this shader needs.
55 * It doesn't include those that aren't part of the VPM, like
56 * point/line coordinates.
58 struct v3d_varying_slot
*input_slots
;
63 /** An unused source or destination register. */
66 /** A physical register, such as the W coordinate payload. */
68 /** One of the regsiters for fixed function interactions. */
72 * A virtual register, that will be allocated to actual accumulator
73 * or physical registers later.
81 * VPM reads use this with an index value to say what part of the VPM
87 * Stores an immediate value in the index field that will be used
88 * directly by qpu_load_imm().
93 * Stores an immediate value in the index field that can be turned
94 * into a small immediate field by qpu_encode_small_immediate().
100 * A reference to a QPU register or a virtual temp register.
107 static inline struct qreg
vir_reg(enum qfile file
, uint32_t index
)
109 return (struct qreg
){file
, index
};
113 * A reference to an actual register at the QPU level, for register
123 /** Entry in qblock->instructions */
124 struct list_head link
;
127 * The instruction being wrapped. Its condition codes, pack flags,
128 * signals, etc. will all be used, with just the register references
129 * being replaced by the contents of qinst->dst and qinst->src[].
131 struct v3d_qpu_instr qpu
;
133 /* Pre-register-allocation references to src/dst registers */
136 bool cond_is_exec_mask
;
137 bool has_implicit_uniform
;
140 /* After vir_to_qpu.c: If instr reads a uniform, which uniform from
141 * the uncompiled stream it is.
146 enum quniform_contents
{
148 * Indicates that a constant 32-bit value is copied from the program's
153 * Indicates that the program's uniform contents are used as an index
154 * into the GL uniform storage.
159 * Scaling factors from clip coordinates to relative to the viewport
162 * This is used by the coordinate and vertex shaders to produce the
163 * 32-bit entry consisting of 2 16-bit fields with 12.4 signed fixed
164 * point offsets from the viewport ccenter.
166 QUNIFORM_VIEWPORT_X_SCALE
,
167 QUNIFORM_VIEWPORT_Y_SCALE
,
170 QUNIFORM_VIEWPORT_Z_OFFSET
,
171 QUNIFORM_VIEWPORT_Z_SCALE
,
173 QUNIFORM_USER_CLIP_PLANE
,
176 * A reference to a V3D 3.x texture config parameter 0 uniform.
178 * This is a uniform implicitly loaded with a QPU_W_TMU* write, which
179 * defines texture type, miplevels, and such. It will be found as a
180 * parameter to the first QOP_TEX_[STRB] instruction in a sequence.
182 QUNIFORM_TEXTURE_CONFIG_P0_0
,
183 QUNIFORM_TEXTURE_CONFIG_P0_1
,
184 QUNIFORM_TEXTURE_CONFIG_P0_2
,
185 QUNIFORM_TEXTURE_CONFIG_P0_3
,
186 QUNIFORM_TEXTURE_CONFIG_P0_4
,
187 QUNIFORM_TEXTURE_CONFIG_P0_5
,
188 QUNIFORM_TEXTURE_CONFIG_P0_6
,
189 QUNIFORM_TEXTURE_CONFIG_P0_7
,
190 QUNIFORM_TEXTURE_CONFIG_P0_8
,
191 QUNIFORM_TEXTURE_CONFIG_P0_9
,
192 QUNIFORM_TEXTURE_CONFIG_P0_10
,
193 QUNIFORM_TEXTURE_CONFIG_P0_11
,
194 QUNIFORM_TEXTURE_CONFIG_P0_12
,
195 QUNIFORM_TEXTURE_CONFIG_P0_13
,
196 QUNIFORM_TEXTURE_CONFIG_P0_14
,
197 QUNIFORM_TEXTURE_CONFIG_P0_15
,
198 QUNIFORM_TEXTURE_CONFIG_P0_16
,
199 QUNIFORM_TEXTURE_CONFIG_P0_17
,
200 QUNIFORM_TEXTURE_CONFIG_P0_18
,
201 QUNIFORM_TEXTURE_CONFIG_P0_19
,
202 QUNIFORM_TEXTURE_CONFIG_P0_20
,
203 QUNIFORM_TEXTURE_CONFIG_P0_21
,
204 QUNIFORM_TEXTURE_CONFIG_P0_22
,
205 QUNIFORM_TEXTURE_CONFIG_P0_23
,
206 QUNIFORM_TEXTURE_CONFIG_P0_24
,
207 QUNIFORM_TEXTURE_CONFIG_P0_25
,
208 QUNIFORM_TEXTURE_CONFIG_P0_26
,
209 QUNIFORM_TEXTURE_CONFIG_P0_27
,
210 QUNIFORM_TEXTURE_CONFIG_P0_28
,
211 QUNIFORM_TEXTURE_CONFIG_P0_29
,
212 QUNIFORM_TEXTURE_CONFIG_P0_30
,
213 QUNIFORM_TEXTURE_CONFIG_P0_31
,
214 QUNIFORM_TEXTURE_CONFIG_P0_32
,
217 * A reference to a V3D 3.x texture config parameter 1 uniform.
219 * This is a uniform implicitly loaded with a QPU_W_TMU* write, which
220 * has the pointer to the indirect texture state. Our data[] field
221 * will have a packed p1 value, but the address field will be just
222 * which texture unit's texture should be referenced.
224 QUNIFORM_TEXTURE_CONFIG_P1
,
226 /* A V3D 4.x texture config parameter. The high 8 bits will be
227 * which texture or sampler is being sampled, and the driver must
228 * replace the address field with the appropriate address.
230 QUNIFORM_TMU_CONFIG_P0
,
231 QUNIFORM_TMU_CONFIG_P1
,
233 QUNIFORM_IMAGE_TMU_CONFIG_P0
,
235 QUNIFORM_TEXTURE_FIRST_LEVEL
,
237 QUNIFORM_TEXTURE_WIDTH
,
238 QUNIFORM_TEXTURE_HEIGHT
,
239 QUNIFORM_TEXTURE_DEPTH
,
240 QUNIFORM_TEXTURE_ARRAY_SIZE
,
241 QUNIFORM_TEXTURE_LEVELS
,
245 QUNIFORM_TEXRECT_SCALE_X
,
246 QUNIFORM_TEXRECT_SCALE_Y
,
248 /* Returns the base offset of the SSBO given by the data value. */
249 QUNIFORM_SSBO_OFFSET
,
251 /* Returns the size of the SSBO given by the data value. */
252 QUNIFORM_GET_BUFFER_SIZE
,
254 /* Sizes (in pixels) of a shader image given by the data value. */
255 QUNIFORM_IMAGE_WIDTH
,
256 QUNIFORM_IMAGE_HEIGHT
,
257 QUNIFORM_IMAGE_DEPTH
,
258 QUNIFORM_IMAGE_ARRAY_SIZE
,
263 * Returns the the offset of the scratch buffer for register spilling.
265 QUNIFORM_SPILL_OFFSET
,
266 QUNIFORM_SPILL_SIZE_PER_THREAD
,
269 static inline uint32_t v3d_tmu_config_data_create(uint32_t unit
, uint32_t value
)
271 return unit
<< 24 | value
;
274 static inline uint32_t v3d_tmu_config_data_get_unit(uint32_t data
)
279 static inline uint32_t v3d_tmu_config_data_get_value(uint32_t data
)
281 return data
& 0xffffff;
284 struct v3d_varying_slot
{
285 uint8_t slot_and_component
;
288 static inline struct v3d_varying_slot
289 v3d_slot_from_slot_and_component(uint8_t slot
, uint8_t component
)
291 assert(slot
< 255 / 4);
292 return (struct v3d_varying_slot
){ (slot
<< 2) + component
};
295 static inline uint8_t v3d_slot_get_slot(struct v3d_varying_slot slot
)
297 return slot
.slot_and_component
>> 2;
300 static inline uint8_t v3d_slot_get_component(struct v3d_varying_slot slot
)
302 return slot
.slot_and_component
& 3;
305 struct v3d_ubo_range
{
307 * offset in bytes from the start of the ubo where this range is
310 * Only set once used is set.
315 * offset in bytes from the start of the gallium uniforms where the
320 /** size in bytes of this ubo range */
329 uint8_t return_channels
;
333 } tex
[V3D_MAX_TEXTURE_SAMPLERS
];
343 bool point_coord_upper_left
;
346 bool sample_coverage
;
347 bool sample_alpha_to_coverage
;
348 bool sample_alpha_to_one
;
350 bool shade_model_flat
;
352 uint8_t swap_color_rb
;
353 /* Mask of which render targets need to be written as 32-bit floats */
354 uint8_t f32_color_rb
;
355 /* Masks of which render targets need to be written as ints/uints.
356 * Used by gallium to work around lost information in TGSI.
358 uint8_t int_color_rb
;
359 uint8_t uint_color_rb
;
360 uint8_t alpha_test_func
;
361 uint8_t logicop_func
;
362 uint32_t point_sprite_mask
;
364 struct pipe_rt_blend_state blend
;
370 struct v3d_varying_slot fs_inputs
[V3D_MAX_FS_INPUTS
];
371 uint8_t num_fs_inputs
;
374 bool per_vertex_point_size
;
378 /** A basic block of VIR intructions. */
380 struct list_head link
;
382 struct list_head instructions
;
384 struct set
*predecessors
;
385 struct qblock
*successors
[2];
389 /* Instruction IPs for the first and last instruction of the block.
390 * Set by qpu_schedule.c.
392 uint32_t start_qpu_ip
;
395 /* Instruction IP for the branch instruction of the block. Set by
398 uint32_t branch_qpu_ip
;
400 /** Offset within the uniform stream at the start of the block. */
401 uint32_t start_uniform
;
402 /** Offset within the uniform stream of the branch instruction */
403 uint32_t branch_uniform
;
405 /** @{ used by v3d_vir_live_variables.c */
408 BITSET_WORD
*live_in
;
409 BITSET_WORD
*live_out
;
410 int start_ip
, end_ip
;
414 /** Which util/list.h add mode we should use when inserting an instruction. */
415 enum vir_cursor_mode
{
421 * Tracking structure for where new instructions should be inserted. Create
422 * with one of the vir_after_inst()-style helper functions.
424 * This does not protect against removal of the block or instruction, so we
425 * have an assert in instruction removal to try to catch it.
428 enum vir_cursor_mode mode
;
429 struct list_head
*link
;
432 static inline struct vir_cursor
433 vir_before_inst(struct qinst
*inst
)
435 return (struct vir_cursor
){ vir_cursor_addtail
, &inst
->link
};
438 static inline struct vir_cursor
439 vir_after_inst(struct qinst
*inst
)
441 return (struct vir_cursor
){ vir_cursor_add
, &inst
->link
};
444 static inline struct vir_cursor
445 vir_before_block(struct qblock
*block
)
447 return (struct vir_cursor
){ vir_cursor_add
, &block
->instructions
};
450 static inline struct vir_cursor
451 vir_after_block(struct qblock
*block
)
453 return (struct vir_cursor
){ vir_cursor_addtail
, &block
->instructions
};
457 * Compiler state saved across compiler invocations, for any expensive global
460 struct v3d_compiler
{
461 const struct v3d_device_info
*devinfo
;
462 struct ra_regs
*regs
;
463 unsigned int reg_class_phys
[3];
464 unsigned int reg_class_phys_or_acc
[3];
468 const struct v3d_device_info
*devinfo
;
470 nir_function_impl
*impl
;
471 struct exec_list
*cf_node_list
;
472 const struct v3d_compiler
*compiler
;
474 void (*debug_output
)(const char *msg
,
475 void *debug_output_data
);
476 void *debug_output_data
;
479 * Mapping from nir_register * or nir_ssa_def * to array of struct
480 * qreg for the values.
482 struct hash_table
*def_ht
;
484 /* For each temp, the instruction generating its value. */
486 uint32_t defs_array_size
;
489 * Inputs to the shader, arranged by TGSI declaration order.
491 * Not all fragment shader QFILE_VARY reads are present in this array.
494 struct qreg
*outputs
;
495 bool msaa_per_sample_output
;
496 struct qreg color_reads
[V3D_MAX_SAMPLES
];
497 struct qreg sample_colors
[V3D_MAX_SAMPLES
];
498 uint32_t inputs_array_size
;
499 uint32_t outputs_array_size
;
500 uint32_t uniforms_array_size
;
502 /* Booleans for whether the corresponding QFILE_VARY[i] is
503 * flat-shaded. This includes gl_FragColor flat-shading, which is
504 * customized based on the shademodel_flat shader key.
506 uint32_t flat_shade_flags
[BITSET_WORDS(V3D_MAX_FS_INPUTS
)];
508 uint32_t noperspective_flags
[BITSET_WORDS(V3D_MAX_FS_INPUTS
)];
510 uint32_t centroid_flags
[BITSET_WORDS(V3D_MAX_FS_INPUTS
)];
514 struct v3d_ubo_range
*ubo_ranges
;
515 bool *ubo_range_used
;
516 uint32_t ubo_ranges_array_size
;
517 /** Number of uniform areas tracked in ubo_ranges. */
518 uint32_t num_ubo_ranges
;
519 uint32_t next_ubo_dst_offset
;
521 /* State for whether we're executing on each channel currently. 0 if
522 * yes, otherwise a block number + 1 that the channel jumped to.
526 struct qreg line_x
, point_x
, point_y
;
529 * Instance ID, which comes in before the vertex attribute payload if
530 * the shader record requests it.
535 * Vertex ID, which comes in before the vertex attribute payload
536 * (after Instance ID) if the shader record requests it.
540 /* Fragment shader payload regs. */
541 struct qreg payload_w
, payload_w_centroid
, payload_z
;
543 uint8_t vattr_sizes
[V3D_MAX_VS_INPUTS
];
544 uint32_t num_vpm_writes
;
546 /* Size in bytes of registers that have been spilled. This is how much
547 * space needs to be available in the spill BO per thread per QPU.
550 /* Shader-db stats */
551 uint32_t spills
, fills
, loops
;
553 * Register spilling's per-thread base address, shared between each
554 * spill/fill's addressing calculations.
556 struct qreg spill_base
;
557 /* Bit vector of which temps may be spilled */
558 BITSET_WORD
*spillable
;
561 * Array of the VARYING_SLOT_* of all FS QFILE_VARY reads.
563 * This includes those that aren't part of the VPM varyings, like
564 * point/line coordinates.
566 struct v3d_varying_slot input_slots
[V3D_MAX_FS_INPUTS
];
569 * An entry per outputs[] in the VS indicating what the VARYING_SLOT_*
570 * of the output is. Used to emit from the VS in the order that the
573 struct v3d_varying_slot
*output_slots
;
575 struct pipe_shader_state
*shader_state
;
577 struct v3d_fs_key
*fs_key
;
578 struct v3d_vs_key
*vs_key
;
580 /* Live ranges of temps. */
581 int *temp_start
, *temp_end
;
582 bool live_intervals_valid
;
584 uint32_t *uniform_data
;
585 enum quniform_contents
*uniform_contents
;
586 uint32_t uniform_array_size
;
587 uint32_t num_uniforms
;
588 uint32_t num_outputs
;
589 uint32_t output_position_index
;
590 nir_variable
*output_color_var
[4];
591 uint32_t output_point_size_index
;
592 uint32_t output_sample_mask_index
;
597 struct vir_cursor cursor
;
598 struct list_head blocks
;
599 int next_block_index
;
600 struct qblock
*cur_block
;
601 struct qblock
*loop_cont_block
;
602 struct qblock
*loop_break_block
;
605 uint32_t qpu_inst_count
;
606 uint32_t qpu_inst_size
;
608 /* For the FS, the number of varying inputs not counting the
609 * point/line varyings payload
614 * Number of inputs from num_inputs remaining to be queued to the read
617 uint32_t num_inputs_remaining
;
619 /* Number of inputs currently in the read FIFO for the VS/CS */
620 uint32_t num_inputs_in_fifo
;
622 /** Next offset in the VPM to read from in the VS/CS */
623 uint32_t vpm_read_offset
;
628 /* Set to compile program in in 1x, 2x, or 4x threaded mode, where
629 * SIG_THREAD_SWITCH is used to hide texturing latency at the cost of
630 * limiting ourselves to the part of the physical reg space.
632 * On V3D 3.x, 2x or 4x divide the physical reg space by 2x or 4x. On
633 * V3D 4.x, all shaders are 2x threaded, and 4x only divides the
634 * physical reg space in half.
637 struct qinst
*last_thrsw
;
638 bool last_thrsw_at_top_level
;
643 struct v3d_uniform_list
{
644 enum quniform_contents
*contents
;
649 struct v3d_prog_data
{
650 struct v3d_uniform_list uniforms
;
652 struct v3d_ubo_range
*ubo_ranges
;
653 uint32_t num_ubo_ranges
;
660 /* For threads > 1, whether the program should be dispatched in the
661 * after-final-THRSW state.
666 struct v3d_vs_prog_data
{
667 struct v3d_prog_data base
;
669 bool uses_iid
, uses_vid
;
671 /* Number of components read from each vertex attribute. */
672 uint8_t vattr_sizes
[32];
674 /* Total number of components read, for the shader state record. */
675 uint32_t vpm_input_size
;
677 /* Total number of components written, for the shader state record. */
678 uint32_t vpm_output_size
;
680 /* Set if there should be separate VPM segments for input and output.
681 * If unset, vpm_input_size will be 0.
683 bool separate_segments
;
685 /* Value to be programmed in VCM_CACHE_SIZE. */
686 uint8_t vcm_cache_size
;
689 struct v3d_fs_prog_data
{
690 struct v3d_prog_data base
;
692 struct v3d_varying_slot input_slots
[V3D_MAX_FS_INPUTS
];
694 /* Array of flat shade flags.
696 * Each entry is only 24 bits (high 8 bits 0), to match the hardware
699 uint32_t flat_shade_flags
[((V3D_MAX_FS_INPUTS
- 1) / 24) + 1];
701 uint32_t noperspective_flags
[((V3D_MAX_FS_INPUTS
- 1) / 24) + 1];
703 uint32_t centroid_flags
[((V3D_MAX_FS_INPUTS
- 1) / 24) + 1];
710 /* Special nir_load_input intrinsic index for loading the current TLB
713 #define V3D_NIR_TLB_COLOR_READ_INPUT 2000000000
715 #define V3D_NIR_MS_MASK_OUTPUT 2000000000
717 extern const nir_shader_compiler_options v3d_nir_options
;
719 const struct v3d_compiler
*v3d_compiler_init(const struct v3d_device_info
*devinfo
);
720 void v3d_compiler_free(const struct v3d_compiler
*compiler
);
721 void v3d_optimize_nir(struct nir_shader
*s
);
723 uint64_t *v3d_compile(const struct v3d_compiler
*compiler
,
725 struct v3d_prog_data
**prog_data
,
727 void (*debug_output
)(const char *msg
,
728 void *debug_output_data
),
729 void *debug_output_data
,
730 int program_id
, int variant_id
,
731 uint32_t *final_assembly_size
);
733 void v3d_nir_to_vir(struct v3d_compile
*c
);
735 void vir_compile_destroy(struct v3d_compile
*c
);
736 const char *vir_get_stage_name(struct v3d_compile
*c
);
737 struct qblock
*vir_new_block(struct v3d_compile
*c
);
738 void vir_set_emit_block(struct v3d_compile
*c
, struct qblock
*block
);
739 void vir_link_blocks(struct qblock
*predecessor
, struct qblock
*successor
);
740 struct qblock
*vir_entry_block(struct v3d_compile
*c
);
741 struct qblock
*vir_exit_block(struct v3d_compile
*c
);
742 struct qinst
*vir_add_inst(enum v3d_qpu_add_op op
, struct qreg dst
,
743 struct qreg src0
, struct qreg src1
);
744 struct qinst
*vir_mul_inst(enum v3d_qpu_mul_op op
, struct qreg dst
,
745 struct qreg src0
, struct qreg src1
);
746 struct qinst
*vir_branch_inst(enum v3d_qpu_branch_cond cond
, struct qreg src0
);
747 void vir_remove_instruction(struct v3d_compile
*c
, struct qinst
*qinst
);
748 struct qreg
vir_uniform(struct v3d_compile
*c
,
749 enum quniform_contents contents
,
751 void vir_schedule_instructions(struct v3d_compile
*c
);
752 struct v3d_qpu_instr
v3d_qpu_nop(void);
754 struct qreg
vir_emit_def(struct v3d_compile
*c
, struct qinst
*inst
);
755 struct qinst
*vir_emit_nondef(struct v3d_compile
*c
, struct qinst
*inst
);
756 void vir_set_cond(struct qinst
*inst
, enum v3d_qpu_cond cond
);
757 void vir_set_pf(struct qinst
*inst
, enum v3d_qpu_pf pf
);
758 void vir_set_uf(struct qinst
*inst
, enum v3d_qpu_uf uf
);
759 void vir_set_unpack(struct qinst
*inst
, int src
,
760 enum v3d_qpu_input_unpack unpack
);
762 struct qreg
vir_get_temp(struct v3d_compile
*c
);
763 void vir_emit_last_thrsw(struct v3d_compile
*c
);
764 void vir_calculate_live_intervals(struct v3d_compile
*c
);
765 bool vir_has_implicit_uniform(struct qinst
*inst
);
766 int vir_get_implicit_uniform_src(struct qinst
*inst
);
767 int vir_get_non_sideband_nsrc(struct qinst
*inst
);
768 int vir_get_nsrc(struct qinst
*inst
);
769 bool vir_has_side_effects(struct v3d_compile
*c
, struct qinst
*inst
);
770 bool vir_get_add_op(struct qinst
*inst
, enum v3d_qpu_add_op
*op
);
771 bool vir_get_mul_op(struct qinst
*inst
, enum v3d_qpu_mul_op
*op
);
772 bool vir_is_raw_mov(struct qinst
*inst
);
773 bool vir_is_tex(struct qinst
*inst
);
774 bool vir_is_add(struct qinst
*inst
);
775 bool vir_is_mul(struct qinst
*inst
);
776 bool vir_is_float_input(struct qinst
*inst
);
777 bool vir_writes_r3(const struct v3d_device_info
*devinfo
, struct qinst
*inst
);
778 bool vir_writes_r4(const struct v3d_device_info
*devinfo
, struct qinst
*inst
);
779 struct qreg
vir_follow_movs(struct v3d_compile
*c
, struct qreg reg
);
780 uint8_t vir_channels_written(struct qinst
*inst
);
781 struct qreg
ntq_get_src(struct v3d_compile
*c
, nir_src src
, int i
);
782 void ntq_store_dest(struct v3d_compile
*c
, nir_dest
*dest
, int chan
,
784 void vir_emit_thrsw(struct v3d_compile
*c
);
786 void vir_dump(struct v3d_compile
*c
);
787 void vir_dump_inst(struct v3d_compile
*c
, struct qinst
*inst
);
788 void vir_dump_uniform(enum quniform_contents contents
, uint32_t data
);
790 void vir_validate(struct v3d_compile
*c
);
792 void vir_optimize(struct v3d_compile
*c
);
793 bool vir_opt_algebraic(struct v3d_compile
*c
);
794 bool vir_opt_constant_folding(struct v3d_compile
*c
);
795 bool vir_opt_copy_propagate(struct v3d_compile
*c
);
796 bool vir_opt_dead_code(struct v3d_compile
*c
);
797 bool vir_opt_peephole_sf(struct v3d_compile
*c
);
798 bool vir_opt_small_immediates(struct v3d_compile
*c
);
799 bool vir_opt_vpm(struct v3d_compile
*c
);
800 void v3d_nir_lower_blend(nir_shader
*s
, struct v3d_compile
*c
);
801 void v3d_nir_lower_io(nir_shader
*s
, struct v3d_compile
*c
);
802 void v3d_nir_lower_txf_ms(nir_shader
*s
, struct v3d_compile
*c
);
803 void v3d_nir_lower_image_load_store(nir_shader
*s
);
804 void vir_lower_uniforms(struct v3d_compile
*c
);
806 void v3d33_vir_vpm_read_setup(struct v3d_compile
*c
, int num_components
);
807 void v3d33_vir_vpm_write_setup(struct v3d_compile
*c
);
808 void v3d33_vir_emit_tex(struct v3d_compile
*c
, nir_tex_instr
*instr
);
809 void v3d40_vir_emit_tex(struct v3d_compile
*c
, nir_tex_instr
*instr
);
810 void v3d40_vir_emit_image_load_store(struct v3d_compile
*c
,
811 nir_intrinsic_instr
*instr
);
813 void v3d_vir_to_qpu(struct v3d_compile
*c
, struct qpu_reg
*temp_registers
);
814 uint32_t v3d_qpu_schedule_instructions(struct v3d_compile
*c
);
815 void qpu_validate(struct v3d_compile
*c
);
816 struct qpu_reg
*v3d_register_allocate(struct v3d_compile
*c
, bool *spilled
);
817 bool vir_init_reg_sets(struct v3d_compiler
*compiler
);
819 bool v3d_gl_format_is_return_32(GLenum format
);
821 void vir_PF(struct v3d_compile
*c
, struct qreg src
, enum v3d_qpu_pf pf
);
824 quniform_contents_is_texture_p0(enum quniform_contents contents
)
826 return (contents
>= QUNIFORM_TEXTURE_CONFIG_P0_0
&&
827 contents
< (QUNIFORM_TEXTURE_CONFIG_P0_0
+
828 V3D_MAX_TEXTURE_SAMPLERS
));
831 static inline struct qreg
832 vir_uniform_ui(struct v3d_compile
*c
, uint32_t ui
)
834 return vir_uniform(c
, QUNIFORM_CONSTANT
, ui
);
837 static inline struct qreg
838 vir_uniform_f(struct v3d_compile
*c
, float f
)
840 return vir_uniform(c
, QUNIFORM_CONSTANT
, fui(f
));
843 #define VIR_ALU0(name, vir_inst, op) \
844 static inline struct qreg \
845 vir_##name(struct v3d_compile *c) \
847 return vir_emit_def(c, vir_inst(op, c->undef, \
848 c->undef, c->undef)); \
850 static inline struct qinst * \
851 vir_##name##_dest(struct v3d_compile *c, struct qreg dest) \
853 return vir_emit_nondef(c, vir_inst(op, dest, \
854 c->undef, c->undef)); \
857 #define VIR_ALU1(name, vir_inst, op) \
858 static inline struct qreg \
859 vir_##name(struct v3d_compile *c, struct qreg a) \
861 return vir_emit_def(c, vir_inst(op, c->undef, \
864 static inline struct qinst * \
865 vir_##name##_dest(struct v3d_compile *c, struct qreg dest, \
868 return vir_emit_nondef(c, vir_inst(op, dest, a, \
872 #define VIR_ALU2(name, vir_inst, op) \
873 static inline struct qreg \
874 vir_##name(struct v3d_compile *c, struct qreg a, struct qreg b) \
876 return vir_emit_def(c, vir_inst(op, c->undef, a, b)); \
878 static inline struct qinst * \
879 vir_##name##_dest(struct v3d_compile *c, struct qreg dest, \
880 struct qreg a, struct qreg b) \
882 return vir_emit_nondef(c, vir_inst(op, dest, a, b)); \
885 #define VIR_NODST_0(name, vir_inst, op) \
886 static inline struct qinst * \
887 vir_##name(struct v3d_compile *c) \
889 return vir_emit_nondef(c, vir_inst(op, c->undef, \
890 c->undef, c->undef)); \
893 #define VIR_NODST_1(name, vir_inst, op) \
894 static inline struct qinst * \
895 vir_##name(struct v3d_compile *c, struct qreg a) \
897 return vir_emit_nondef(c, vir_inst(op, c->undef, \
901 #define VIR_NODST_2(name, vir_inst, op) \
902 static inline struct qinst * \
903 vir_##name(struct v3d_compile *c, struct qreg a, struct qreg b) \
905 return vir_emit_nondef(c, vir_inst(op, c->undef, \
909 #define VIR_SFU(name) \
910 static inline struct qreg \
911 vir_##name(struct v3d_compile *c, struct qreg a) \
913 if (c->devinfo->ver >= 41) { \
914 return vir_emit_def(c, vir_add_inst(V3D_QPU_A_##name, \
918 vir_FMOV_dest(c, vir_reg(QFILE_MAGIC, V3D_QPU_WADDR_##name), a); \
919 return vir_FMOV(c, vir_reg(QFILE_MAGIC, V3D_QPU_WADDR_R4)); \
922 static inline struct qinst * \
923 vir_##name##_dest(struct v3d_compile *c, struct qreg dest, \
926 if (c->devinfo->ver >= 41) { \
927 return vir_emit_nondef(c, vir_add_inst(V3D_QPU_A_##name, \
931 vir_FMOV_dest(c, vir_reg(QFILE_MAGIC, V3D_QPU_WADDR_##name), a); \
932 return vir_FMOV_dest(c, dest, vir_reg(QFILE_MAGIC, V3D_QPU_WADDR_R4)); \
936 #define VIR_A_ALU2(name) VIR_ALU2(name, vir_add_inst, V3D_QPU_A_##name)
937 #define VIR_M_ALU2(name) VIR_ALU2(name, vir_mul_inst, V3D_QPU_M_##name)
938 #define VIR_A_ALU1(name) VIR_ALU1(name, vir_add_inst, V3D_QPU_A_##name)
939 #define VIR_M_ALU1(name) VIR_ALU1(name, vir_mul_inst, V3D_QPU_M_##name)
940 #define VIR_A_ALU0(name) VIR_ALU0(name, vir_add_inst, V3D_QPU_A_##name)
941 #define VIR_M_ALU0(name) VIR_ALU0(name, vir_mul_inst, V3D_QPU_M_##name)
942 #define VIR_A_NODST_2(name) VIR_NODST_2(name, vir_add_inst, V3D_QPU_A_##name)
943 #define VIR_M_NODST_2(name) VIR_NODST_2(name, vir_mul_inst, V3D_QPU_M_##name)
944 #define VIR_A_NODST_1(name) VIR_NODST_1(name, vir_add_inst, V3D_QPU_A_##name)
945 #define VIR_M_NODST_1(name) VIR_NODST_1(name, vir_mul_inst, V3D_QPU_M_##name)
946 #define VIR_A_NODST_0(name) VIR_NODST_0(name, vir_add_inst, V3D_QPU_A_##name)
969 VIR_A_NODST_2(STVPMV
)
979 VIR_A_ALU1(LDVPMV_IN
)
980 VIR_A_ALU1(LDVPMV_OUT
)
989 VIR_A_NODST_1(VPMSETUP
)
1013 VIR_M_NODST_2(MULTOP
)
1025 static inline struct qinst
*
1026 vir_MOV_cond(struct v3d_compile
*c
, enum v3d_qpu_cond cond
,
1027 struct qreg dest
, struct qreg src
)
1029 struct qinst
*mov
= vir_MOV_dest(c
, dest
, src
);
1030 vir_set_cond(mov
, cond
);
1034 static inline struct qreg
1035 vir_SEL(struct v3d_compile
*c
, enum v3d_qpu_cond cond
,
1036 struct qreg src0
, struct qreg src1
)
1038 struct qreg t
= vir_get_temp(c
);
1039 vir_MOV_dest(c
, t
, src1
);
1040 vir_MOV_cond(c
, cond
, t
, src0
);
1044 static inline struct qinst
*
1045 vir_NOP(struct v3d_compile
*c
)
1047 return vir_emit_nondef(c
, vir_add_inst(V3D_QPU_A_NOP
,
1048 c
->undef
, c
->undef
, c
->undef
));
1051 static inline struct qreg
1052 vir_LDTMU(struct v3d_compile
*c
)
1054 if (c
->devinfo
->ver
>= 41) {
1055 struct qinst
*ldtmu
= vir_add_inst(V3D_QPU_A_NOP
, c
->undef
,
1056 c
->undef
, c
->undef
);
1057 ldtmu
->qpu
.sig
.ldtmu
= true;
1059 return vir_emit_def(c
, ldtmu
);
1061 vir_NOP(c
)->qpu
.sig
.ldtmu
= true;
1062 return vir_MOV(c
, vir_reg(QFILE_MAGIC
, V3D_QPU_WADDR_R4
));
1066 static inline struct qreg
1067 vir_UMUL(struct v3d_compile
*c
, struct qreg src0
, struct qreg src1
)
1069 vir_MULTOP(c
, src0
, src1
);
1070 return vir_UMUL24(c
, src0
, src1
);
1074 static inline struct qreg
1075 vir_LOAD_IMM(struct v3d_compile *c, uint32_t val)
1077 return vir_emit_def(c, vir_inst(QOP_LOAD_IMM, c->undef,
1078 vir_reg(QFILE_LOAD_IMM, val), c->undef));
1081 static inline struct qreg
1082 vir_LOAD_IMM_U2(struct v3d_compile *c, uint32_t val)
1084 return vir_emit_def(c, vir_inst(QOP_LOAD_IMM_U2, c->undef,
1085 vir_reg(QFILE_LOAD_IMM, val),
1088 static inline struct qreg
1089 vir_LOAD_IMM_I2(struct v3d_compile *c, uint32_t val)
1091 return vir_emit_def(c, vir_inst(QOP_LOAD_IMM_I2, c->undef,
1092 vir_reg(QFILE_LOAD_IMM, val),
1097 static inline struct qinst
*
1098 vir_BRANCH(struct v3d_compile
*c
, enum v3d_qpu_branch_cond cond
)
1100 /* The actual uniform_data value will be set at scheduling time */
1101 return vir_emit_nondef(c
, vir_branch_inst(cond
, vir_uniform_ui(c
, 0)));
1104 #define vir_for_each_block(block, c) \
1105 list_for_each_entry(struct qblock, block, &c->blocks, link)
1107 #define vir_for_each_block_rev(block, c) \
1108 list_for_each_entry_rev(struct qblock, block, &c->blocks, link)
1110 /* Loop over the non-NULL members of the successors array. */
1111 #define vir_for_each_successor(succ, block) \
1112 for (struct qblock *succ = block->successors[0]; \
1114 succ = (succ == block->successors[1] ? NULL : \
1115 block->successors[1]))
1117 #define vir_for_each_inst(inst, block) \
1118 list_for_each_entry(struct qinst, inst, &block->instructions, link)
1120 #define vir_for_each_inst_rev(inst, block) \
1121 list_for_each_entry_rev(struct qinst, inst, &block->instructions, link)
1123 #define vir_for_each_inst_safe(inst, block) \
1124 list_for_each_entry_safe(struct qinst, inst, &block->instructions, link)
1126 #define vir_for_each_inst_inorder(inst, c) \
1127 vir_for_each_block(_block, c) \
1128 vir_for_each_inst(inst, _block)
1130 #endif /* V3D_COMPILER_H */