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1 /*
2  * Copyright © 2020 Valve Corporation
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 MERCHANTABILITY,
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  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21  * IN THE SOFTWARE.
22  */
23 #ifndef SPIRV_TEST_HELPERS_H
24 #define SPIRV_TEST_HELPERS_H
25 
26 #include <gtest/gtest.h>
27 #include "compiler/spirv/nir_spirv.h"
28 #include "compiler/nir/nir.h"
29 
30 class spirv_test : public ::testing::Test {
31 protected:
spirv_test()32    spirv_test()
33    : shader(NULL)
34    {
35       glsl_type_singleton_init_or_ref();
36    }
37 
~spirv_test()38    ~spirv_test()
39    {
40       ralloc_free(shader);
41       glsl_type_singleton_decref();
42    }
43 
get_nir(size_t num_words,const uint32_t * words)44    void get_nir(size_t num_words, const uint32_t *words)
45    {
46       spirv_to_nir_options spirv_options;
47       memset(&spirv_options, 0, sizeof(spirv_options));
48       spirv_options.environment = NIR_SPIRV_VULKAN;
49       spirv_options.caps.vk_memory_model = true;
50       spirv_options.caps.vk_memory_model_device_scope = true;
51       spirv_options.ubo_addr_format = nir_address_format_32bit_index_offset;
52       spirv_options.ssbo_addr_format = nir_address_format_32bit_index_offset;
53       spirv_options.phys_ssbo_addr_format = nir_address_format_64bit_global;
54       spirv_options.push_const_addr_format = nir_address_format_32bit_offset;
55       spirv_options.shared_addr_format = nir_address_format_32bit_offset;
56       spirv_options.task_payload_addr_format = nir_address_format_32bit_offset;
57 
58       nir_shader_compiler_options nir_options;
59       memset(&nir_options, 0, sizeof(nir_options));
60       nir_options.use_scoped_barrier = true;
61 
62       shader = spirv_to_nir(words, num_words, NULL, 0,
63                             MESA_SHADER_COMPUTE, "main", &spirv_options, &nir_options);
64    }
65 
66    nir_intrinsic_instr *find_intrinsic(nir_intrinsic_op op, unsigned index=0)
67    {
68       nir_function_impl *impl = nir_shader_get_entrypoint(shader);
nir_foreach_block(block,impl)69       nir_foreach_block(block, impl) {
70          nir_foreach_instr(instr, block) {
71             if (instr->type != nir_instr_type_intrinsic ||
72                 nir_instr_as_intrinsic(instr)->intrinsic != op)
73                continue;
74             if (index == 0)
75                return nir_instr_as_intrinsic(instr);
76             else
77                index--;
78          }
79       }
80 
81       return NULL;
82    }
83 
84    nir_shader *shader;
85 };
86 
87 #endif /* SPIRV_TEST_HELPERS_H */
88