1 /*
2 * Copyright © 2022 Collabora, Ltd.
3 * SPDX-License-Identifier: MIT
4 */
5
6 #ifndef NAK_PRIVATE_H
7 #define NAK_PRIVATE_H
8
9 #include "nak.h"
10 #include "nir.h"
11 #include "nv_device_info.h"
12
13 #ifdef __cplusplus
14 extern "C" {
15 #endif
16
17 bool nak_should_print_nir(void);
18
19 struct nak_compiler {
20 uint8_t sm;
21 uint8_t warps_per_sm;
22
23 struct nir_shader_compiler_options nir_options;
24 };
25
26 enum ENUM_PACKED nak_attr {
27 /* System values A */
28 NAK_ATTR_TESS_LOD_LEFT = 0x000,
29 NAK_ATTR_TESS_LOD_RIGHT = 0x004,
30 NAK_ATTR_TESS_LOD_BOTTOM = 0x008,
31 NAK_ATTR_TESS_LOD_TOP = 0x00c,
32 NAK_ATTR_TESS_LOD = NAK_ATTR_TESS_LOD_LEFT,
33 NAK_ATTR_TESS_INTERRIOR_U = 0x010,
34 NAK_ATTR_TESS_INTERRIOR_V = 0x014,
35 NAK_ATTR_TESS_INTERRIOR = NAK_ATTR_TESS_INTERRIOR_U,
36
37 /* Patch attributes */
38 NAK_ATTR_PATCH_START = 0x020,
39
40 /* System values B */
41 NAK_ATTR_PRIMITIVE_ID = 0x060,
42 NAK_ATTR_RT_ARRAY_INDEX = 0x064,
43 NAK_ATTR_VIEWPORT_INDEX = 0x068,
44 NAK_ATTR_POINT_SIZE = 0x06c,
45 NAK_ATTR_POSITION_X = 0x070,
46 NAK_ATTR_POSITION_Y = 0x074,
47 NAK_ATTR_POSITION_Z = 0x078,
48 NAK_ATTR_POSITION_W = 0x07c,
49 NAK_ATTR_POSITION = NAK_ATTR_POSITION_X,
50
51 /* Generic attributes */
52 NAK_ATTR_GENERIC_START = 0x080,
53
54 /* System values C */
55 NAK_ATTR_CLIP_CULL_DIST_0 = 0x2c0,
56 NAK_ATTR_CLIP_CULL_DIST_1 = 0x2c4,
57 NAK_ATTR_CLIP_CULL_DIST_2 = 0x2c8,
58 NAK_ATTR_CLIP_CULL_DIST_3 = 0x2cc,
59 NAK_ATTR_CLIP_CULL_DIST_4 = 0x2d0,
60 NAK_ATTR_CLIP_CULL_DIST_5 = 0x2d4,
61 NAK_ATTR_CLIP_CULL_DIST_6 = 0x2d8,
62 NAK_ATTR_CLIP_CULL_DIST_7 = 0x2dc,
63 NAK_ATTR_CLIP_CULL_DIST = NAK_ATTR_CLIP_CULL_DIST_0,
64 NAK_ATTR_POINT_SPRITE_S = 0x2e0,
65 NAK_ATTR_POINT_SPRITE_T = 0x2e4,
66 NAK_ATTR_POINT_SPRITE = NAK_ATTR_POINT_SPRITE_S,
67 NAK_ATTR_FOG_COORD = 0x2e8,
68 /* Reserved 0x2ec */
69 NAK_ATTR_TESS_COORD_X = 0x2f0,
70 NAK_ATTR_TESS_COORD_Y = 0x2f4,
71 NAK_ATTR_TESS_COORD = NAK_ATTR_TESS_COORD_X,
72 NAK_ATTR_INSTANCE_ID = 0x2f8,
73 NAK_ATTR_VERTEX_ID = 0x2fc,
74
75 NAK_ATTR_BARY_COORD_NO_PERSP_X = 0x3a8,
76 NAK_ATTR_BARY_COORD_NO_PERSP_Y = 0x3ac,
77 NAK_ATTR_BARY_COORD_NO_PERSP_Z = 0x3b0,
78 NAK_ATTR_BARY_COORD_NO_PERSP = NAK_ATTR_BARY_COORD_NO_PERSP_X,
79
80 NAK_ATTR_BARY_COORD_X = 0x3b4,
81 NAK_ATTR_BARY_COORD_Y = 0x3b8,
82 NAK_ATTR_BARY_COORD_Z = 0x3bc,
83 NAK_ATTR_BARY_COORD = NAK_ATTR_BARY_COORD_X,
84
85 /* Not in SPH */
86 NAK_ATTR_FRONT_FACE = 0x3fc,
87 };
88
89 enum ENUM_PACKED nak_sv {
90 NAK_SV_LANE_ID = 0x00,
91 NAK_SV_VIRTCFG = 0x02,
92 NAK_SV_VIRTID = 0x03,
93 NAK_SV_VERTEX_COUNT = 0x10,
94 NAK_SV_INVOCATION_ID = 0x11,
95 NAK_SV_THREAD_KILL = 0x13,
96 NAK_SV_INVOCATION_INFO = 0x1d,
97 NAK_SV_COMBINED_TID = 0x20,
98 NAK_SV_TID_X = 0x21,
99 NAK_SV_TID_Y = 0x22,
100 NAK_SV_TID_Z = 0x23,
101 NAK_SV_TID = NAK_SV_TID_X,
102 NAK_SV_CTAID_X = 0x25,
103 NAK_SV_CTAID_Y = 0x26,
104 NAK_SV_CTAID_Z = 0x27,
105 NAK_SV_CTAID = NAK_SV_CTAID_X,
106 NAK_SV_LANEMASK_EQ = 0x38,
107 NAK_SV_LANEMASK_LT = 0x39,
108 NAK_SV_LANEMASK_LE = 0x3a,
109 NAK_SV_LANEMASK_GT = 0x3b,
110 NAK_SV_LANEMASK_GE = 0x3c,
111 NAK_SV_CLOCK_LO = 0x50,
112 NAK_SV_CLOCK_HI = 0x51,
113 NAK_SV_CLOCK = NAK_SV_CLOCK_LO,
114 };
115
116 bool nak_nir_workgroup_has_one_subgroup(const nir_shader *nir);
117
118 struct nak_xfb_info
119 nak_xfb_from_nir(const struct nir_xfb_info *nir_xfb);
120
121 struct nak_io_addr_offset {
122 nir_scalar base;
123 int32_t offset;
124 };
125
126 struct nak_io_addr_offset
127 nak_get_io_addr_offset(nir_def *addr, uint8_t imm_bits);
128
129 enum nak_nir_lod_mode {
130 NAK_NIR_LOD_MODE_AUTO = 0,
131 NAK_NIR_LOD_MODE_ZERO,
132 NAK_NIR_LOD_MODE_BIAS,
133 NAK_NIR_LOD_MODE_LOD,
134 NAK_NIR_LOD_MODE_CLAMP,
135 NAK_NIR_LOD_MODE_BIAS_CLAMP,
136 };
137
138 enum nak_nir_offset_mode {
139 NAK_NIR_OFFSET_MODE_NONE = 0,
140 NAK_NIR_OFFSET_MODE_AOFFI,
141 NAK_NIR_OFFSET_MODE_PER_PX,
142 };
143
144 struct nak_nir_tex_flags {
145 enum nak_nir_lod_mode lod_mode:3;
146 enum nak_nir_offset_mode offset_mode:2;
147 bool has_z_cmpr:1;
148 uint32_t pad:26;
149 };
150
151 bool nak_nir_lower_scan_reduce(nir_shader *shader);
152 bool nak_nir_lower_tex(nir_shader *nir, const struct nak_compiler *nak);
153 bool nak_nir_lower_gs_intrinsics(nir_shader *shader);
154 bool nak_nir_lower_algebraic_late(nir_shader *nir, const struct nak_compiler *nak);
155
156 struct nak_nir_attr_io_flags {
157 bool output : 1;
158 bool patch : 1;
159 bool phys : 1;
160 uint32_t pad:29;
161 };
162
163 bool nak_nir_lower_vtg_io(nir_shader *nir, const struct nak_compiler *nak);
164
165 enum nak_interp_mode {
166 NAK_INTERP_MODE_PERSPECTIVE,
167 NAK_INTERP_MODE_SCREEN_LINEAR,
168 NAK_INTERP_MODE_CONSTANT,
169 };
170
171 enum nak_interp_freq {
172 NAK_INTERP_FREQ_PASS,
173 NAK_INTERP_FREQ_PASS_MUL_W,
174 NAK_INTERP_FREQ_CONSTANT,
175 NAK_INTERP_FREQ_STATE,
176 };
177
178 enum nak_interp_loc {
179 NAK_INTERP_LOC_DEFAULT,
180 NAK_INTERP_LOC_CENTROID,
181 NAK_INTERP_LOC_OFFSET,
182 };
183
184 struct nak_nir_ipa_flags {
185 enum nak_interp_mode interp_mode:2;
186 enum nak_interp_freq interp_freq:2;
187 enum nak_interp_loc interp_loc:2;
188 uint32_t pad:26;
189 };
190
191 enum nak_fs_out {
192 NAK_FS_OUT_COLOR0 = 0x00,
193 NAK_FS_OUT_COLOR1 = 0x10,
194 NAK_FS_OUT_COLOR2 = 0x20,
195 NAK_FS_OUT_COLOR3 = 0x30,
196 NAK_FS_OUT_COLOR4 = 0x40,
197 NAK_FS_OUT_COLOR5 = 0x50,
198 NAK_FS_OUT_COLOR6 = 0x60,
199 NAK_FS_OUT_COLOR7 = 0x70,
200 NAK_FS_OUT_SAMPLE_MASK = 0x80,
201 NAK_FS_OUT_DEPTH = 0x84,
202 };
203
204 #define NAK_FS_OUT_COLOR(n) (NAK_FS_OUT_COLOR0 + (n) * 16)
205
206 bool nak_nir_add_barriers(nir_shader *nir, const struct nak_compiler *nak);
207
208 static inline bool
nak_is_only_used_by_iadd(const nir_alu_instr * instr)209 nak_is_only_used_by_iadd(const nir_alu_instr *instr)
210 {
211 nir_foreach_use(src, &instr->def) {
212 nir_instr *use = nir_src_parent_instr(src);
213 if (use->type != nir_instr_type_alu)
214 return false;
215
216 if (nir_instr_as_alu(use)->op != nir_op_iadd)
217 return false;
218 }
219
220 return true;
221 }
222
223 struct nak_memstream {
224 FILE *stream;
225 char *buffer;
226 size_t written;
227 };
228
229 void nak_open_memstream(struct nak_memstream *memstream);
230 void nak_close_memstream(struct nak_memstream *memstream);
231 void nak_flush_memstream(struct nak_memstream *memstream);
232 void nak_clear_memstream(struct nak_memstream *memstream);
233 void nak_nir_asprint_instr(struct nak_memstream *memstream, const nir_instr *instr);
234
235 #ifdef __cplusplus
236 }
237 #endif
238
239 #endif /* NAK_PRIVATE */
240