mirror of https://github.com/xemu-project/xemu.git
105 lines
4.2 KiB
C++
105 lines
4.2 KiB
C++
/* Copyright (c) 2023 LunarG, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <cassert>
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#include <cstring>
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#include <fstream>
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#include <iostream>
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#include "spirv_reflect.h"
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// =================================================================================================
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// PrintUsage()
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// =================================================================================================
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void PrintUsage() {
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std::cout << "Usage: explorer path/to/SPIR-V/bytecode.spv\n"
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<< "\tThis is used to set a breakpoint and explorer the API and "
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"how to access info needed\n";
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}
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// =================================================================================================
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// main()
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// =================================================================================================
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int main(int argn, char** argv) {
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if (argn != 2) {
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PrintUsage();
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return EXIT_FAILURE;
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} else if (std::string(argv[1]) == "--help") {
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PrintUsage();
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return EXIT_SUCCESS;
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}
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std::string input_spv_path = argv[1];
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std::ifstream spv_ifstream(input_spv_path.c_str(), std::ios::binary);
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if (!spv_ifstream.is_open()) {
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std::cerr << "ERROR: could not open '" << input_spv_path << "' for reading\n";
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return EXIT_FAILURE;
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}
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spv_ifstream.seekg(0, std::ios::end);
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size_t size = static_cast<size_t>(spv_ifstream.tellg());
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spv_ifstream.seekg(0, std::ios::beg);
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std::vector<char> spv_data(size);
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spv_ifstream.read(spv_data.data(), size);
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SpvReflectShaderModule module = {};
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SpvReflectResult result = spvReflectCreateShaderModule(spv_data.size(), spv_data.data(), &module);
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assert(result == SPV_REFLECT_RESULT_SUCCESS);
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// Go through each enumerate to examine it
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uint32_t count = 0;
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result = spvReflectEnumerateDescriptorSets(&module, &count, NULL);
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assert(result == SPV_REFLECT_RESULT_SUCCESS);
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std::vector<SpvReflectDescriptorSet*> sets(count);
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result = spvReflectEnumerateDescriptorSets(&module, &count, sets.data());
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assert(result == SPV_REFLECT_RESULT_SUCCESS);
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result = spvReflectEnumerateDescriptorBindings(&module, &count, NULL);
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assert(result == SPV_REFLECT_RESULT_SUCCESS);
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std::vector<SpvReflectDescriptorBinding*> bindings(count);
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result = spvReflectEnumerateDescriptorBindings(&module, &count, bindings.data());
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assert(result == SPV_REFLECT_RESULT_SUCCESS);
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result = spvReflectEnumerateInterfaceVariables(&module, &count, NULL);
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assert(result == SPV_REFLECT_RESULT_SUCCESS);
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std::vector<SpvReflectInterfaceVariable*> interface_variables(count);
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result = spvReflectEnumerateInterfaceVariables(&module, &count, interface_variables.data());
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assert(result == SPV_REFLECT_RESULT_SUCCESS);
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result = spvReflectEnumerateInputVariables(&module, &count, NULL);
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assert(result == SPV_REFLECT_RESULT_SUCCESS);
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std::vector<SpvReflectInterfaceVariable*> input_variables(count);
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result = spvReflectEnumerateInputVariables(&module, &count, input_variables.data());
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assert(result == SPV_REFLECT_RESULT_SUCCESS);
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result = spvReflectEnumerateOutputVariables(&module, &count, NULL);
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assert(result == SPV_REFLECT_RESULT_SUCCESS);
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std::vector<SpvReflectInterfaceVariable*> output_variables(count);
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result = spvReflectEnumerateOutputVariables(&module, &count, output_variables.data());
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assert(result == SPV_REFLECT_RESULT_SUCCESS);
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result = spvReflectEnumeratePushConstantBlocks(&module, &count, NULL);
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assert(result == SPV_REFLECT_RESULT_SUCCESS);
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std::vector<SpvReflectBlockVariable*> push_constant(count);
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result = spvReflectEnumeratePushConstantBlocks(&module, &count, push_constant.data());
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assert(result == SPV_REFLECT_RESULT_SUCCESS);
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// Can set a breakpoint here and explorer the various variables enumerated.
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spvReflectDestroyShaderModule(&module);
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return 0;
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}
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