1/*
2 * Copyright (C) 2020-2021 Collabora Ltd.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is 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 MERCHANTAAGXLITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIAAGXLITY, 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 * Authors (Collabora):
24 *      Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
25 */
26
27#ifndef __AGX_TEST_H
28#define __AGX_TEST_H
29
30#include <stdio.h>
31#include <inttypes.h>
32#include "agx_compiler.h"
33#include "agx_builder.h"
34
35/* Helper to generate a agx_builder suitable for creating test instructions */
36static inline agx_builder *
37agx_test_builder(void *memctx)
38{
39   agx_context *ctx = rzalloc(memctx, agx_context);
40   list_inithead(&ctx->blocks);
41
42   agx_block *blk = rzalloc(ctx, agx_block);
43   util_dynarray_init(&blk->predecessors, NULL);
44
45   list_addtail(&blk->link, &ctx->blocks);
46   list_inithead(&blk->instructions);
47
48   agx_builder *b = rzalloc(memctx, agx_builder);
49   b->shader = ctx;
50   b->cursor = agx_after_block(blk);
51
52   return b;
53}
54
55/* Helper to compare for logical equality of instructions. Need to compare the
56 * pointers, then compare raw data.
57 */
58static inline bool
59agx_instr_equal(agx_instr *A, agx_instr *B)
60{
61   unsigned pointers = sizeof(struct list_head) + sizeof(agx_index *);
62
63   if (A->nr_srcs != B->nr_srcs)
64      return false;
65
66   if (memcmp(A->src, B->src, A->nr_srcs * sizeof(agx_index)))
67      return false;
68
69   return memcmp((uint8_t *) A    + pointers,
70                 (uint8_t *) B    + pointers,
71                 sizeof(agx_instr) - pointers) == 0;
72}
73
74static inline bool
75agx_block_equal(agx_block *A, agx_block *B)
76{
77   if (list_length(&A->instructions) != list_length(&B->instructions))
78      return false;
79
80   list_pair_for_each_entry(agx_instr, insA, insB,
81                            &A->instructions, &B->instructions, link) {
82      if (!agx_instr_equal(insA, insB))
83         return false;
84   }
85
86   return true;
87}
88
89static inline bool
90agx_shader_equal(agx_context *A, agx_context *B)
91{
92   if (list_length(&A->blocks) != list_length(&B->blocks))
93      return false;
94
95   list_pair_for_each_entry(agx_block, blockA, blockB,
96                            &A->blocks, &B->blocks, link) {
97      if (!agx_block_equal(blockA, blockB))
98         return false;
99   }
100
101   return true;
102}
103
104#define ASSERT_SHADER_EQUAL(A, B) \
105   if (!agx_shader_equal(A, B)) { \
106      ADD_FAILURE(); \
107      fprintf(stderr, "Pass produced unexpected results"); \
108      fprintf(stderr, "  Actual:\n"); \
109      agx_print_shader(A, stderr); \
110      fprintf(stderr, " Expected:\n"); \
111      agx_print_shader(B, stderr); \
112      fprintf(stderr, "\n"); \
113   } \
114
115#define INSTRUCTION_CASE(instr, expected, pass) do { \
116   agx_builder *A = agx_test_builder(mem_ctx); \
117   agx_builder *B = agx_test_builder(mem_ctx); \
118   { \
119      agx_builder *b = A; \
120      instr; \
121   } \
122   { \
123      agx_builder *b = B; \
124      expected; \
125   } \
126   pass(A->shader); \
127   ASSERT_SHADER_EQUAL(A->shader, B->shader); \
128} while(0)
129
130#endif
131