1 /*
2 * Copyright © 2020 Google, Inc.
3 * SPDX-License-Identifier: MIT
4 */
5
6 #include "ir3_assembler.h"
7 #include "ir3_parser.h"
8 #include "ir3_shader.h"
9
10 /**
11 * A helper to go from ir3 assembly to assembled shader. The shader has a
12 * single variant.
13 */
14 struct ir3_shader *
ir3_parse_asm(struct ir3_compiler * c,struct ir3_kernel_info * info,FILE * in)15 ir3_parse_asm(struct ir3_compiler *c, struct ir3_kernel_info *info, FILE *in)
16 {
17 struct ir3_shader *shader = rzalloc_size(NULL, sizeof(*shader));
18 shader->compiler = c;
19 shader->type = MESA_SHADER_COMPUTE;
20 mtx_init(&shader->variants_lock, mtx_plain);
21
22 struct ir3_shader_variant *v = rzalloc_size(shader, sizeof(*v));
23 v->type = MESA_SHADER_COMPUTE;
24 v->compiler = c;
25 v->const_state = rzalloc_size(v, sizeof(*v->const_state));
26
27 v->shader_options.real_wavesize = IR3_SINGLE_OR_DOUBLE;
28
29 if (c->gen >= 6)
30 v->mergedregs = true;
31
32 shader->variants = v;
33 shader->variant_count = 1;
34
35 info->numwg = INVALID_REG;
36
37 for (int i = 0; i < MAX_BUFS; i++) {
38 info->buf_addr_regs[i] = INVALID_REG;
39 }
40
41 /* Provide a default local_size in case the shader doesn't set it, so that
42 * we don't crash at least.
43 */
44 v->local_size[0] = v->local_size[1] = v->local_size[2] = 1;
45
46 v->ir = ir3_parse(v, info, in);
47 if (!v->ir)
48 goto error;
49
50 ir3_debug_print(v->ir, "AFTER PARSING");
51
52 v->bin = ir3_shader_assemble(v);
53 if (!v->bin)
54 goto error;
55
56 return shader;
57
58 error:
59 ralloc_free(shader);
60 return NULL;
61 }
62