| /////////////////////////////////////////////////////////////////////////////// |
| // |
| // 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. |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| #define VK_PROTOTYPES |
| #include "vkjson.h" |
| |
| #include <utility> |
| |
| namespace { |
| const char* kSupportedInstanceExtensions[] = { |
| "VK_KHR_get_physical_device_properties2"}; |
| |
| bool EnumerateExtensions(const char* layer_name, |
| std::vector<VkExtensionProperties>* extensions) { |
| VkResult result; |
| uint32_t count = 0; |
| result = vkEnumerateInstanceExtensionProperties(layer_name, &count, nullptr); |
| if (result != VK_SUCCESS) |
| return false; |
| extensions->resize(count); |
| result = vkEnumerateInstanceExtensionProperties(layer_name, &count, |
| extensions->data()); |
| if (result != VK_SUCCESS) |
| return false; |
| return true; |
| } |
| |
| bool HasExtension(const char* extension_name, |
| uint32_t count, |
| const char* const* extensions) { |
| return std::find_if(extensions, extensions + count, |
| [extension_name](const char* extension) { |
| return strcmp(extension, extension_name) == 0; |
| }) != extensions + count; |
| } |
| |
| bool HasExtension(const char* extension_name, |
| const std::vector<VkExtensionProperties>& extensions) { |
| return std::find_if(extensions.cbegin(), extensions.cend(), |
| [extension_name](const VkExtensionProperties& extension) { |
| return strcmp(extension.extensionName, |
| extension_name) == 0; |
| }) != extensions.cend(); |
| } |
| } // anonymous namespace |
| |
| VkJsonDevice VkJsonGetDevice(VkInstance instance, |
| VkPhysicalDevice physical_device, |
| uint32_t instance_extension_count, |
| const char* const* instance_extensions) { |
| VkJsonDevice device; |
| |
| PFN_vkGetPhysicalDeviceFeatures2KHR vkpGetPhysicalDeviceFeatures2KHR = |
| nullptr; |
| if (instance != VK_NULL_HANDLE && |
| HasExtension("VK_KHR_get_physical_device_properties2", |
| instance_extension_count, instance_extensions)) { |
| vkpGetPhysicalDeviceFeatures2KHR = |
| reinterpret_cast<PFN_vkGetPhysicalDeviceFeatures2KHR>( |
| vkGetInstanceProcAddr(instance, "vkGetPhysicalDeviceFeatures2KHR")); |
| } |
| |
| // Only device extensions. |
| // TODO(piman): do we want to show layer extensions? |
| uint32_t extension_count = 0; |
| vkEnumerateDeviceExtensionProperties(physical_device, nullptr, |
| &extension_count, nullptr); |
| if (extension_count > 0) { |
| device.extensions.resize(extension_count); |
| vkEnumerateDeviceExtensionProperties( |
| physical_device, nullptr, &extension_count, device.extensions.data()); |
| } |
| |
| uint32_t layer_count = 0; |
| vkEnumerateDeviceLayerProperties(physical_device, &layer_count, nullptr); |
| if (layer_count > 0) { |
| device.layers.resize(layer_count); |
| vkEnumerateDeviceLayerProperties(physical_device, &layer_count, |
| device.layers.data()); |
| } |
| |
| vkGetPhysicalDeviceProperties(physical_device, &device.properties); |
| if (HasExtension("VK_KHR_get_physical_device_properties2", |
| instance_extension_count, instance_extensions)) { |
| VkPhysicalDeviceFeatures2KHR features = { |
| VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FEATURES_2_KHR, |
| nullptr, |
| {} // features |
| }; |
| if (HasExtension("VK_KHR_variable_pointers", device.extensions)) { |
| device.variable_pointer_features.sType = |
| VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_VARIABLE_POINTER_FEATURES_KHR; |
| device.variable_pointer_features.pNext = features.pNext; |
| features.pNext = &device.variable_pointer_features; |
| } |
| vkpGetPhysicalDeviceFeatures2KHR(physical_device, &features); |
| device.features = features.features; |
| } else { |
| vkGetPhysicalDeviceFeatures(physical_device, &device.features); |
| } |
| vkGetPhysicalDeviceMemoryProperties(physical_device, &device.memory); |
| |
| uint32_t queue_family_count = 0; |
| vkGetPhysicalDeviceQueueFamilyProperties(physical_device, &queue_family_count, |
| nullptr); |
| if (queue_family_count > 0) { |
| device.queues.resize(queue_family_count); |
| vkGetPhysicalDeviceQueueFamilyProperties( |
| physical_device, &queue_family_count, device.queues.data()); |
| } |
| |
| VkFormatProperties format_properties = {}; |
| for (VkFormat format = VK_FORMAT_R4G4_UNORM_PACK8; |
| format <= VK_FORMAT_END_RANGE; |
| format = static_cast<VkFormat>(format + 1)) { |
| vkGetPhysicalDeviceFormatProperties(physical_device, format, |
| &format_properties); |
| if (format_properties.linearTilingFeatures || |
| format_properties.optimalTilingFeatures || |
| format_properties.bufferFeatures) { |
| device.formats.insert(std::make_pair(format, format_properties)); |
| } |
| } |
| return device; |
| } |
| |
| VkJsonInstance VkJsonGetInstance() { |
| VkJsonInstance instance; |
| VkResult result; |
| uint32_t count; |
| |
| count = 0; |
| result = vkEnumerateInstanceLayerProperties(&count, nullptr); |
| if (result != VK_SUCCESS) |
| return VkJsonInstance(); |
| if (count > 0) { |
| std::vector<VkLayerProperties> layers(count); |
| result = vkEnumerateInstanceLayerProperties(&count, layers.data()); |
| if (result != VK_SUCCESS) |
| return VkJsonInstance(); |
| instance.layers.reserve(count); |
| for (auto& layer : layers) { |
| instance.layers.push_back(VkJsonLayer{layer, std::vector<VkExtensionProperties>()}); |
| if (!EnumerateExtensions(layer.layerName, |
| &instance.layers.back().extensions)) |
| return VkJsonInstance(); |
| } |
| } |
| |
| if (!EnumerateExtensions(nullptr, &instance.extensions)) |
| return VkJsonInstance(); |
| |
| std::vector<const char*> instance_extensions; |
| for (const auto extension : kSupportedInstanceExtensions) { |
| if (HasExtension(extension, instance.extensions)) |
| instance_extensions.push_back(extension); |
| } |
| |
| const VkApplicationInfo app_info = {VK_STRUCTURE_TYPE_APPLICATION_INFO, |
| nullptr, |
| "vkjson_info", |
| 1, |
| "", |
| 0, |
| VK_API_VERSION_1_0}; |
| VkInstanceCreateInfo instance_info = { |
| VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO, |
| nullptr, |
| 0, |
| &app_info, |
| 0, |
| nullptr, |
| static_cast<uint32_t>(instance_extensions.size()), |
| instance_extensions.data()}; |
| VkInstance vkinstance; |
| result = vkCreateInstance(&instance_info, nullptr, &vkinstance); |
| if (result != VK_SUCCESS) |
| return VkJsonInstance(); |
| |
| count = 0; |
| result = vkEnumeratePhysicalDevices(vkinstance, &count, nullptr); |
| if (result != VK_SUCCESS) { |
| vkDestroyInstance(vkinstance, nullptr); |
| return VkJsonInstance(); |
| } |
| std::vector<VkPhysicalDevice> devices(count, VK_NULL_HANDLE); |
| result = vkEnumeratePhysicalDevices(vkinstance, &count, devices.data()); |
| if (result != VK_SUCCESS) { |
| vkDestroyInstance(vkinstance, nullptr); |
| return VkJsonInstance(); |
| } |
| |
| instance.devices.reserve(devices.size()); |
| for (auto device : devices) |
| instance.devices.emplace_back(VkJsonGetDevice(vkinstance, device, |
| instance_extensions.size(), |
| instance_extensions.data())); |
| |
| vkDestroyInstance(vkinstance, nullptr); |
| return instance; |
| } |