1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
/*
* Copyright (C) 2018-2019 Alyssa Rosenzweig <alyssa@rosenzweig.io>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef __MIDGARD_H_
#define __MIDGARD_H_
#include "compiler/nir/nir.h"
#include "util/u_dynarray.h"
/* Define the general compiler entry point */
#define MAX_SYSVAL_COUNT 32
/* Allow 2D of sysval IDs, while allowing nonparametric sysvals to equal
* their class for equal comparison */
#define PAN_SYSVAL(type, no) (((no) << 16) | PAN_SYSVAL_##type)
#define PAN_SYSVAL_TYPE(sysval) ((sysval) & 0xffff)
#define PAN_SYSVAL_ID(sysval) ((sysval) >> 16)
/* Define some common types. We start at one for easy indexing of hash
* tables internal to the compiler */
enum {
PAN_SYSVAL_VIEWPORT_SCALE = 1,
PAN_SYSVAL_VIEWPORT_OFFSET = 2,
PAN_SYSVAL_TEXTURE_SIZE = 3,
PAN_SYSVAL_SSBO = 4,
PAN_SYSVAL_NUM_WORK_GROUPS = 5,
} pan_sysval;
#define PAN_TXS_SYSVAL_ID(texidx, dim, is_array) \
((texidx) | ((dim) << 7) | ((is_array) ? (1 << 9) : 0))
#define PAN_SYSVAL_ID_TO_TXS_TEX_IDX(id) ((id) & 0x7f)
#define PAN_SYSVAL_ID_TO_TXS_DIM(id) (((id) >> 7) & 0x3)
#define PAN_SYSVAL_ID_TO_TXS_IS_ARRAY(id) !!((id) & (1 << 9))
typedef struct {
int work_register_count;
int uniform_count;
int uniform_cutoff;
/* Prepended before uniforms, mapping to SYSVAL_ names for the
* sysval */
unsigned sysval_count;
unsigned sysvals[MAX_SYSVAL_COUNT];
unsigned varyings[32];
/* Boolean properties of the program */
bool writes_point_size;
int first_tag;
struct util_dynarray compiled;
/* For a blend shader using a constant color -- patch point. If
* negative, there's no constant. */
int blend_patch_offset;
/* The number of bytes to allocate per-thread for Thread Local Storage
* (register spilling), or zero if no spilling is used */
unsigned tls_size;
/* IN: For a fragment shader with a lowered alpha test, the ref value */
float alpha_ref;
} midgard_program;
int
midgard_compile_shader_nir(nir_shader *nir, midgard_program *program, bool is_blend, unsigned gpu_id);
/* NIR options are shared between the standalone compiler and the online
* compiler. Defining it here is the simplest, though maybe not the Right
* solution. */
static const nir_shader_compiler_options midgard_nir_options = {
.lower_ffma = true,
.lower_sub = true,
.lower_scmp = true,
.lower_flrp32 = true,
.lower_flrp64 = true,
.lower_ffract = true,
.lower_fmod = true,
.lower_fdiv = true,
.lower_idiv = true,
.lower_isign = true,
.lower_fpow = true,
.lower_find_lsb = true,
.lower_fdph = true,
.lower_wpos_pntc = true,
/* TODO: We have native ops to help here, which we'll want to look into
* eventually */
.lower_fsign = true,
.vertex_id_zero_based = true,
.lower_extract_byte = true,
.lower_extract_word = true,
.lower_rotate = true,
.lower_doubles_options = nir_lower_dmod,
.vectorize_io = true,
};
#endif
|
