1 /* -*- c++ -*- */
2 /*
3 * Copyright © 2021 Intel Corporation
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
22 * IN THE SOFTWARE.
23 */
24
25 #ifndef ELK_PRIVATE_H
26 #define ELK_PRIVATE_H
27
28 #include "elk_compiler.h"
29
30 #include <variant>
31
32 unsigned elk_required_dispatch_width(const struct shader_info *info);
33
34 static constexpr int SIMD_COUNT = 3;
35
36 struct elk_simd_selection_state {
37 const struct intel_device_info *devinfo;
38
39 std::variant<struct elk_cs_prog_data *,
40 struct elk_bs_prog_data *> prog_data;
41
42 unsigned required_width;
43
44 const char *error[SIMD_COUNT];
45
46 bool compiled[SIMD_COUNT];
47 bool spilled[SIMD_COUNT];
48 };
49
elk_simd_first_compiled(const elk_simd_selection_state & state)50 inline int elk_simd_first_compiled(const elk_simd_selection_state &state)
51 {
52 for (int i = 0; i < SIMD_COUNT; i++) {
53 if (state.compiled[i])
54 return i;
55 }
56 return -1;
57 }
58
elk_simd_any_compiled(const elk_simd_selection_state & state)59 inline bool elk_simd_any_compiled(const elk_simd_selection_state &state)
60 {
61 return elk_simd_first_compiled(state) >= 0;
62 }
63
64 bool elk_simd_should_compile(elk_simd_selection_state &state, unsigned simd);
65
66 void elk_simd_mark_compiled(elk_simd_selection_state &state, unsigned simd, bool spilled);
67
68 int elk_simd_select(const elk_simd_selection_state &state);
69
70 int elk_simd_select_for_workgroup_size(const struct intel_device_info *devinfo,
71 const struct elk_cs_prog_data *prog_data,
72 const unsigned *sizes);
73
74 bool elk_should_print_shader(const nir_shader *shader, uint64_t debug_flag);
75
76 #endif // ELK_PRIVATE_H
77