src/compiler/spirv/tests/helpers.h

   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:
  32    spirv_test()
  33    {
  34       glsl_type_singleton_init_or_ref();
  35    }
  36
  37    ~spirv_test()
  38    {
  39       ralloc_free(shader);
  40       glsl_type_singleton_decref();
  41    }
  42
  43    void get_nir(size_t num_words, const uint32_t *words)
  44    {
  45       spirv_to_nir_options spirv_options;
  46       memset(&spirv_options, 0, sizeof(spirv_options));
  47       spirv_options.environment = NIR_SPIRV_VULKAN;
  48       spirv_options.caps.vk_memory_model = true;
  49       spirv_options.caps.vk_memory_model_device_scope = true;
  50       spirv_options.ubo_addr_format = nir_address_format_32bit_index_offset;
  51       spirv_options.ssbo_addr_format = nir_address_format_32bit_index_offset;
  52       spirv_options.phys_ssbo_addr_format = nir_address_format_64bit_global;
  53       spirv_options.push_const_addr_format = nir_address_format_32bit_offset;
  54       spirv_options.shared_addr_format = nir_address_format_32bit_offset;
  55
  56       nir_shader_compiler_options nir_options;
  57       memset(&nir_options, 0, sizeof(nir_options));
  58       nir_options.use_scoped_barrier = true;
  59
  60       shader = spirv_to_nir(words, num_words, NULL, 0,
  61                             MESA_SHADER_COMPUTE, "main", &spirv_options, &nir_options);
  62    }
  63
  64    nir_intrinsic_instr *find_intrinsic(nir_intrinsic_op op, unsigned index=0)
  65    {
  66       nir_function_impl *impl = nir_shader_get_entrypoint(shader);
  67       nir_foreach_block(block, impl) {
  68          nir_foreach_instr(instr, block) {
  69             if (instr->type != nir_instr_type_intrinsic ||
  70                 nir_instr_as_intrinsic(instr)->intrinsic != op)
  71                continue;
  72             if (index == 0)
  73                return nir_instr_as_intrinsic(instr);
  74             else
  75                index--;
  76          }
  77       }
  78
  79       return NULL;
  80    }
  81
  82    nir_shader *shader;
  83 };
  84
  85 #endif /* SPIRV_TEST_HELPERS_H */