Move vkjson into framework/native/vulkan

LVL upstream will re-organize the folders in external/LVL and will get
rid of vkjson. Thus need to move vkjson here to accordingly.

Test: adb shell cmd gpu vkjson
Bug: b/77613206
Change-Id: I5dac0c2c3a4e1d7dae8adda01cf4f2712a132469
diff --git a/vulkan/vkjson/vkjson_info.cc b/vulkan/vkjson/vkjson_info.cc
new file mode 100644
index 0000000..3c4b08b
--- /dev/null
+++ b/vulkan/vkjson/vkjson_info.cc
@@ -0,0 +1,184 @@
+///////////////////////////////////////////////////////////////////////////////
+//
+// 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;
+}