5 * Copyright (c) 2013 Connor Abbott (connor@abbott.cx)
6 * Copyright (c) 2018 Alyssa Rosenzweig (alyssa@rosenzweig.io)
8 * Permission is hereby granted, free of charge, to any person obtaining a copy
9 * of this software and associated documentation files (the "Software"), to deal
10 * in the Software without restriction, including without limitation the rights
11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12 * copies of the Software, and to permit persons to whom the Software is
13 * furnished to do so, subject to the following conditions:
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
21 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
34 midgard_word_type_alu
,
35 midgard_word_type_load_store
,
36 midgard_word_type_texture
,
37 midgard_word_type_unknown
53 midgard_alu_op_fadd
= 0x10,
54 midgard_alu_op_fmul
= 0x14,
55 midgard_alu_op_fmin
= 0x28,
56 midgard_alu_op_fmax
= 0x2C,
57 midgard_alu_op_fmov
= 0x30,
58 midgard_alu_op_froundeven
= 0x34,
59 midgard_alu_op_ftrunc
= 0x35,
60 midgard_alu_op_ffloor
= 0x36,
61 midgard_alu_op_fceil
= 0x37,
62 midgard_alu_op_ffma
= 0x38,
63 midgard_alu_op_fdot3
= 0x3C,
64 midgard_alu_op_fdot3r
= 0x3D,
65 midgard_alu_op_fdot4
= 0x3E,
66 midgard_alu_op_freduce
= 0x3F,
67 midgard_alu_op_iadd
= 0x40,
68 midgard_alu_op_ishladd
= 0x41,
69 midgard_alu_op_isub
= 0x46,
70 midgard_alu_op_imul
= 0x58,
71 midgard_alu_op_imin
= 0x60,
72 midgard_alu_op_imax
= 0x62,
73 midgard_alu_op_iasr
= 0x68,
74 midgard_alu_op_ilsr
= 0x69,
75 midgard_alu_op_ishl
= 0x6E,
76 midgard_alu_op_iand
= 0x70,
77 midgard_alu_op_ior
= 0x71,
78 midgard_alu_op_inot
= 0x72,
79 midgard_alu_op_iandnot
= 0x74, /* (a, b) -> a & ~b, used for not/b2f */
80 midgard_alu_op_ixor
= 0x76,
81 midgard_alu_op_imov
= 0x7B,
82 midgard_alu_op_feq
= 0x80,
83 midgard_alu_op_fne
= 0x81,
84 midgard_alu_op_flt
= 0x82,
85 midgard_alu_op_fle
= 0x83,
86 midgard_alu_op_fball_eq
= 0x88,
87 midgard_alu_op_bball_eq
= 0x89,
88 midgard_alu_op_bbany_neq
= 0x90, /* used for bvec4(1) */
89 midgard_alu_op_fbany_neq
= 0x91, /* bvec4(0) also */
90 midgard_alu_op_f2i
= 0x99,
91 midgard_alu_op_f2u8
= 0x9C,
92 midgard_alu_op_f2u
= 0x9D,
93 midgard_alu_op_ieq
= 0xA0,
94 midgard_alu_op_ine
= 0xA1,
95 midgard_alu_op_ilt
= 0xA4,
96 midgard_alu_op_ile
= 0xA5,
97 midgard_alu_op_iball_eq
= 0xA8,
98 midgard_alu_op_ball
= 0xA9,
99 midgard_alu_op_ibany_neq
= 0xB1,
100 midgard_alu_op_i2f
= 0xB8,
101 midgard_alu_op_u2f
= 0xBC,
102 midgard_alu_op_icsel
= 0xC1,
103 midgard_alu_op_fcsel
= 0xC5,
104 midgard_alu_op_fround
= 0xC6,
105 midgard_alu_op_fatan_pt2
= 0xE8,
106 midgard_alu_op_frcp
= 0xF0,
107 midgard_alu_op_frsqrt
= 0xF2,
108 midgard_alu_op_fsqrt
= 0xF3,
109 midgard_alu_op_fexp2
= 0xF4,
110 midgard_alu_op_flog2
= 0xF5,
111 midgard_alu_op_fsin
= 0xF6,
112 midgard_alu_op_fcos
= 0xF7,
113 midgard_alu_op_fatan2_pt1
= 0xF9,
117 midgard_outmod_none
= 0,
118 midgard_outmod_pos
= 1,
119 midgard_outmod_int
= 2,
120 midgard_outmod_sat
= 3
124 midgard_reg_mode_quarter
= 0,
125 midgard_reg_mode_half
= 1,
126 midgard_reg_mode_full
= 2,
127 midgard_reg_mode_double
= 3 /* TODO: verify */
131 midgard_dest_override_lower
= 0,
132 midgard_dest_override_upper
= 1,
133 midgard_dest_override_none
= 2
134 } midgard_dest_override
;
137 __attribute__((__packed__
))
142 /* replicate lower half if dest = half, or low/high half selection if
146 bool rep_high
: 1; /* unused if dest = full */
147 bool half
: 1; /* only matters if dest = full */
148 unsigned swizzle
: 8;
150 midgard_vector_alu_src
;
153 __attribute__((__packed__
))
155 midgard_alu_op op
: 8;
156 midgard_reg_mode reg_mode
: 2;
159 midgard_dest_override dest_override
: 2;
160 midgard_outmod outmod
: 2;
166 __attribute__((__packed__
))
170 bool full
: 1; /* 0 = half, 1 = full */
171 unsigned component
: 3;
173 midgard_scalar_alu_src
;
176 __attribute__((__packed__
))
178 midgard_alu_op op
: 8;
181 unsigned unknown
: 1;
182 midgard_outmod outmod
: 2;
183 bool output_full
: 1;
184 unsigned output_component
: 3;
189 __attribute__((__packed__
))
191 unsigned src1_reg
: 5;
192 unsigned src2_reg
: 5;
193 unsigned out_reg
: 5;
199 midgard_jmp_writeout_op_branch_uncond
= 1,
200 midgard_jmp_writeout_op_branch_cond
= 2,
201 midgard_jmp_writeout_op_discard
= 4,
202 midgard_jmp_writeout_op_writeout
= 7,
203 } midgard_jmp_writeout_op
;
206 midgard_condition_write0
= 0,
207 midgard_condition_false
= 1,
208 midgard_condition_true
= 2,
209 midgard_condition_always
= 3, /* Special for writeout/uncond discard */
213 __attribute__((__packed__
))
215 midgard_jmp_writeout_op op
: 3; /* == branch_uncond */
216 unsigned dest_tag
: 4; /* tag of branch destination */
217 unsigned unknown
: 2;
220 midgard_branch_uncond
;
223 __attribute__((__packed__
))
225 midgard_jmp_writeout_op op
: 3; /* == branch_cond */
226 unsigned dest_tag
: 4; /* tag of branch destination */
228 midgard_condition cond
: 2;
233 __attribute__((__packed__
))
235 midgard_jmp_writeout_op op
: 3; /* == branch_cond */
236 unsigned dest_tag
: 4; /* tag of branch destination */
237 unsigned unknown
: 2;
241 midgard_branch_extended
;
244 __attribute__((__packed__
))
246 midgard_jmp_writeout_op op
: 3; /* == writeout */
247 unsigned unknown
: 13;
256 midgard_op_ld_st_noop
= 0x03,
257 midgard_op_load_attr_16
= 0x95,
258 midgard_op_load_attr_32
= 0x94,
259 midgard_op_load_vary_16
= 0x99,
260 midgard_op_load_vary_32
= 0x98,
261 midgard_op_load_color_buffer_16
= 0x9D,
262 midgard_op_load_color_buffer_8
= 0xBA,
263 midgard_op_load_uniform_16
= 0xAC,
264 midgard_op_load_uniform_32
= 0xB0,
265 midgard_op_store_vary_16
= 0xD5,
266 midgard_op_store_vary_32
= 0xD4
267 } midgard_load_store_op
;
270 midgard_interp_centroid
= 1,
271 midgard_interp_default
= 2
272 } midgard_interpolation
;
275 __attribute__((__packed__
))
277 unsigned zero1
: 4; /* Always zero */
279 /* Varying qualifiers, zero if not a varying */
281 unsigned is_varying
: 1; /* Always one for varying, but maybe something else? */
282 midgard_interpolation interpolation
: 2;
284 unsigned zero2
: 2; /* Always zero */
286 midgard_varying_parameter
;
289 __attribute__((__packed__
))
291 midgard_load_store_op op
: 8;
294 unsigned swizzle
: 8;
295 unsigned unknown
: 16;
297 unsigned varying_parameters
: 10;
299 unsigned address
: 9;
301 midgard_load_store_word
;
304 __attribute__((__packed__
))
307 unsigned next_type
: 4;
313 /* Texture pipeline results are in r28-r29 */
314 #define REG_TEX_BASE 28
316 /* Texture opcodes... maybe? */
317 #define TEXTURE_OP_NORMAL 0x11
318 #define TEXTURE_OP_TEXEL_FETCH 0x14
320 /* Texture format types, found in format */
321 #define TEXTURE_CUBE 0x00
322 #define TEXTURE_2D 0x02
323 #define TEXTURE_3D 0x03
326 __attribute__((__packed__
))
329 unsigned next_type
: 4;
333 unsigned unknown3
: 1;
335 /* A little obscure, but last is set for the last texture operation in
336 * a shader. cont appears to just be last's opposite (?). Yeah, I know,
337 * kind of funky.. BiOpen thinks it could do with memory hinting, or
344 unsigned has_offset
: 1;
346 /* Like in Bifrost */
349 unsigned in_reg_select
: 1;
350 unsigned in_reg_upper
: 1;
352 unsigned in_reg_swizzle_left
: 2;
353 unsigned in_reg_swizzle_right
: 2;
355 unsigned unknown1
: 2;
357 unsigned unknown8
: 4;
359 unsigned out_full
: 1;
361 /* Always 1 afaict... */
362 unsigned unknown7
: 2;
364 unsigned out_reg_select
: 1;
365 unsigned out_upper
: 1;
369 unsigned unknown2
: 2;
371 unsigned swizzle
: 8;
372 unsigned unknown4
: 8;
374 unsigned unknownA
: 4;
376 unsigned offset_unknown1
: 1;
377 unsigned offset_reg_select
: 1;
378 unsigned offset_reg_upper
: 1;
379 unsigned offset_unknown4
: 1;
380 unsigned offset_unknown5
: 1;
381 unsigned offset_unknown6
: 1;
382 unsigned offset_unknown7
: 1;
383 unsigned offset_unknown8
: 1;
384 unsigned offset_unknown9
: 1;
386 unsigned unknownB
: 3;
388 /* Texture bias or LOD, depending on whether it is executed in a
389 * fragment/vertex shader respectively. Compute as int(2^8 * biasf).
391 * For texel fetch, this is the LOD as is. */
394 unsigned unknown9
: 8;
396 unsigned texture_handle
: 16;
397 unsigned sampler_handle
: 16;
399 midgard_texture_word
;
401 /* Opcode name table */
403 static char *alu_opcode_names
[256] = {
404 [midgard_alu_op_fadd
] = "fadd",
405 [midgard_alu_op_fmul
] = "fmul",
406 [midgard_alu_op_fmin
] = "fmin",
407 [midgard_alu_op_fmax
] = "fmax",
408 [midgard_alu_op_fmov
] = "fmov",
409 [midgard_alu_op_froundeven
] = "froundeven",
410 [midgard_alu_op_ftrunc
] = "ftrunc",
411 [midgard_alu_op_ffloor
] = "ffloor",
412 [midgard_alu_op_fceil
] = "fceil",
413 [midgard_alu_op_ffma
] = "ffma",
414 [midgard_alu_op_fdot3
] = "fdot3",
415 [midgard_alu_op_fdot3r
] = "fdot3r",
416 [midgard_alu_op_fdot4
] = "fdot4",
417 [midgard_alu_op_freduce
] = "freduce",
418 [midgard_alu_op_imin
] = "imin",
419 [midgard_alu_op_imax
] = "imax",
420 [midgard_alu_op_ishl
] = "ishl",
421 [midgard_alu_op_iasr
] = "iasr",
422 [midgard_alu_op_ilsr
] = "ilsr",
423 [midgard_alu_op_iadd
] = "iadd",
424 [midgard_alu_op_ishladd
] = "ishladd",
425 [midgard_alu_op_isub
] = "isub",
426 [midgard_alu_op_imul
] = "imul",
427 [midgard_alu_op_imov
] = "imov",
428 [midgard_alu_op_iand
] = "iand",
429 [midgard_alu_op_ior
] = "ior",
430 [midgard_alu_op_inot
] = "inot",
431 [midgard_alu_op_iandnot
] = "iandnot",
432 [midgard_alu_op_ixor
] = "ixor",
433 [midgard_alu_op_feq
] = "feq",
434 [midgard_alu_op_fne
] = "fne",
435 [midgard_alu_op_flt
] = "flt",
436 [midgard_alu_op_fle
] = "fle",
437 [midgard_alu_op_fball_eq
] = "fball_eq",
438 [midgard_alu_op_fbany_neq
] = "fbany_neq",
439 [midgard_alu_op_bball_eq
] = "bball_eq",
440 [midgard_alu_op_bbany_neq
] = "bbany_neq",
441 [midgard_alu_op_f2i
] = "f2i",
442 [midgard_alu_op_f2u
] = "f2u",
443 [midgard_alu_op_f2u8
] = "f2u8",
444 [midgard_alu_op_ieq
] = "ieq",
445 [midgard_alu_op_ine
] = "ine",
446 [midgard_alu_op_ilt
] = "ilt",
447 [midgard_alu_op_ile
] = "ile",
448 [midgard_alu_op_iball_eq
] = "iball_eq",
449 [midgard_alu_op_ball
] = "ball",
450 [midgard_alu_op_ibany_neq
] = "ibany_neq",
451 [midgard_alu_op_i2f
] = "i2f",
452 [midgard_alu_op_u2f
] = "u2f",
453 [midgard_alu_op_icsel
] = "icsel",
454 [midgard_alu_op_fcsel
] = "fcsel",
455 [midgard_alu_op_fround
] = "fround",
456 [midgard_alu_op_fatan_pt2
] = "fatan_pt2",
457 [midgard_alu_op_frcp
] = "frcp",
458 [midgard_alu_op_frsqrt
] = "frsqrt",
459 [midgard_alu_op_fsqrt
] = "fsqrt",
460 [midgard_alu_op_fexp2
] = "fexp2",
461 [midgard_alu_op_flog2
] = "flog2",
462 [midgard_alu_op_fsin
] = "fsin",
463 [midgard_alu_op_fcos
] = "fcos",
464 [midgard_alu_op_fatan2_pt1
] = "fatan2_pt1"
467 static char *load_store_opcode_names
[256] = {
468 [midgard_op_load_attr_16
] = "ld_attr_16",
469 [midgard_op_load_attr_32
] = "ld_attr_32",
470 [midgard_op_load_vary_16
] = "ld_vary_16",
471 [midgard_op_load_vary_32
] = "ld_vary_32",
472 [midgard_op_load_uniform_16
] = "ld_uniform_16",
473 [midgard_op_load_uniform_32
] = "ld_uniform_32",
474 [midgard_op_load_color_buffer_8
] = "ld_color_buffer_8",
475 [midgard_op_load_color_buffer_16
] = "ld_color_buffer_16",
476 [midgard_op_store_vary_16
] = "st_vary_16",
477 [midgard_op_store_vary_32
] = "st_vary_32"