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///////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2015-2016 The Khronos Group Inc.
// Copyright (c) 2015-2016 Valve Corporation
// Copyright (c) 2015-2016 LunarG, Inc.
// Copyright (c) 2015-2016 Google, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
///////////////////////////////////////////////////////////////////////////////
#ifndef VK_PROTOTYPES
#define VK_PROTOTYPES
#endif
#include "vkjson.h"
#include <assert.h>
#include <stdio.h>
#include <string.h>
#include <iostream>
#include <vector>
const uint32_t unsignedNegOne = (uint32_t)(-1);
struct Options {
bool instance = false;
uint32_t device_index = unsignedNegOne;
std::string device_name;
std::string output_file;
};
bool ParseOptions(int argc, char* argv[], Options* options) {
for (int i = 1; i < argc; ++i) {
std::string arg(argv[i]);
if (arg == "--instance" || arg == "-i") {
options->instance = true;
} else if (arg == "--first" || arg == "-f") {
options->device_index = 0;
} else {
++i;
if (i >= argc) {
std::cerr << "Missing parameter after: " << arg << std::endl;
return false;
}
std::string arg2(argv[i]);
if (arg == "--device-index" || arg == "-d") {
int result = sscanf(arg2.c_str(), "%u", &options->device_index);
if (result != 1) {
options->device_index = static_cast<uint32_t>(-1);
std::cerr << "Unable to parse index: " << arg2 << std::endl;
return false;
}
} else if (arg == "--device-name" || arg == "-n") {
options->device_name = arg2;
} else if (arg == "--output" || arg == "-o") {
options->output_file = arg2;
} else {
std::cerr << "Unknown argument: " << arg << std::endl;
return false;
}
}
}
if (options->instance && (options->device_index != unsignedNegOne ||
!options->device_name.empty())) {
std::cerr << "Specifying a specific device is incompatible with dumping "
"the whole instance." << std::endl;
return false;
}
if (options->device_index != unsignedNegOne && !options->device_name.empty()) {
std::cerr << "Must specify only one of device index and device name."
<< std::endl;
return false;
}
if (options->instance && options->output_file.empty()) {
std::cerr << "Must specify an output file when dumping the whole instance."
<< std::endl;
return false;
}
if (!options->output_file.empty() && !options->instance &&
options->device_index == unsignedNegOne && options->device_name.empty()) {
std::cerr << "Must specify instance, device index, or device name when "
"specifying "
"output file." << std::endl;
return false;
}
return true;
}
bool Dump(const VkJsonInstance& instance, const Options& options) {
const VkJsonDevice* out_device = nullptr;
if (options.device_index != unsignedNegOne) {
if (static_cast<uint32_t>(options.device_index) >=
instance.devices.size()) {
std::cerr << "Error: device " << options.device_index
<< " requested but only " << instance.devices.size()
<< " devices found." << std::endl;
return false;
}
out_device = &instance.devices[options.device_index];
} else if (!options.device_name.empty()) {
for (const auto& device : instance.devices) {
if (device.properties.deviceName == options.device_name) {
out_device = &device;
}
}
if (!out_device) {
std::cerr << "Error: device '" << options.device_name
<< "' requested but not found." << std::endl;
return false;
}
}
std::string output_file;
if (options.output_file.empty()) {
assert(out_device);
#if defined(ANDROID)
output_file.assign("/sdcard/Android/" + std::string(out_device->properties.deviceName));
#else
output_file.assign(out_device->properties.deviceName);
#endif
output_file.append(".json");
} else {
output_file = options.output_file;
}
FILE* file = nullptr;
if (output_file == "-") {
file = stdout;
} else {
file = fopen(output_file.c_str(), "w");
if (!file) {
std::cerr << "Unable to open file " << output_file << "." << std::endl;
return false;
}
}
std::string json = out_device ? VkJsonDeviceToJson(*out_device)
: VkJsonInstanceToJson(instance);
fwrite(json.data(), 1, json.size(), file);
fputc('\n', file);
if (output_file != "-") {
fclose(file);
std::cout << "Wrote file " << output_file;
if (out_device)
std::cout << " for device " << out_device->properties.deviceName;
std::cout << "." << std::endl;
}
return true;
}
int main(int argc, char* argv[]) {
#if defined(ANDROID)
int vulkanSupport = InitVulkan();
if (vulkanSupport == 0)
return 1;
#endif
Options options;
if (!ParseOptions(argc, argv, &options))
return 1;
VkJsonInstance instance = VkJsonGetInstance();
if (options.instance || options.device_index != unsignedNegOne ||
!options.device_name.empty()) {
Dump(instance, options);
} else {
for (uint32_t i = 0, n = static_cast<uint32_t>(instance.devices.size()); i < n; i++) {
options.device_index = i;
Dump(instance, options);
}
}
return 0;
}
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