1 /*
2 * Copyright © 2023 Imagination Technologies Ltd.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 */
23
24 #include "pvr_job_transfer.h"
25 #include "pvr_uscgen.h"
26 #include "rogue/rogue.h"
27 #include "rogue/rogue_builder.h"
28 #include "util/u_dynarray.h"
29
30 #include <stdbool.h>
31
32 /* Expects emit_count ROGUE_NUM_PBESTATE_STATE_WORDS entries */
pvr_uscgen_eot(const char * name,uint32_t emit_count,const uint32_t * emit_state,unsigned * temps_used,struct util_dynarray * binary)33 void pvr_uscgen_eot(const char *name,
34 uint32_t emit_count,
35 const uint32_t *emit_state,
36 unsigned *temps_used,
37 struct util_dynarray *binary)
38 {
39 rogue_builder b;
40 rogue_shader *shader = rogue_shader_create(NULL, MESA_SHADER_NONE);
41 rogue_reg *state_word_0 = rogue_temp_reg(shader, 0);
42 rogue_reg *state_word_1 = rogue_temp_reg(shader, 1);
43 rogue_backend_instr *emitpix = NULL;
44
45 rogue_set_shader_name(shader, name);
46 rogue_builder_init(&b, shader);
47 rogue_push_block(&b);
48
49 for (unsigned u = 0; u < emit_count; u++) {
50 if (u > 0)
51 rogue_WOP(&b);
52
53 rogue_MOV(&b, rogue_ref_reg(state_word_0), rogue_ref_imm(emit_state[0]));
54 rogue_MOV(&b, rogue_ref_reg(state_word_1), rogue_ref_imm(emit_state[1]));
55
56 emitpix = rogue_EMITPIX(&b,
57 rogue_ref_reg(state_word_0),
58 rogue_ref_reg(state_word_1));
59
60 emit_state += 2;
61 }
62
63 assert(emitpix);
64
65 rogue_set_backend_op_mod(emitpix, ROGUE_BACKEND_OP_MOD_FREEP);
66 emitpix->instr.end = true;
67
68 rogue_shader_passes(shader);
69 rogue_encode_shader(NULL, shader, binary);
70
71 *temps_used = rogue_count_used_regs(shader, ROGUE_REG_CLASS_TEMP);
72
73 ralloc_free(shader);
74 }
75
pvr_uscgen_nop(struct util_dynarray * binary)76 void pvr_uscgen_nop(struct util_dynarray *binary)
77 {
78 rogue_builder b;
79 rogue_shader *shader = rogue_shader_create(NULL, MESA_SHADER_NONE);
80 rogue_set_shader_name(shader, "NOP");
81 rogue_builder_init(&b, shader);
82 rogue_push_block(&b);
83
84 rogue_END(&b);
85
86 rogue_shader_passes(shader);
87 rogue_encode_shader(NULL, shader, binary);
88
89 ralloc_free(shader);
90 }
91