1 /* 2 * Copyright (C) 2016 Google, Inc. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef HELPERS_H 18 #define HELPERS_H 19 20 #include <vector> 21 #include <sstream> 22 #include <stdexcept> 23 #include <vulkan/vulkan.h> 24 25 #include "HelpersDispatchTable.h" 26 27 namespace vk { 28 29 inline VkResult assert_success(VkResult res) 30 { 31 if (res != VK_SUCCESS) { 32 std::stringstream ss; 33 ss << "VkResult " << res << " returned"; 34 throw std::runtime_error(ss.str()); 35 } 36 37 return res; 38 } 39 40 inline VkResult enumerate(const char *layer, std::vector<VkExtensionProperties> &exts) 41 { 42 uint32_t count = 0; 43 vk::EnumerateInstanceExtensionProperties(layer, &count, nullptr); 44 45 exts.resize(count); 46 return vk::EnumerateInstanceExtensionProperties(layer, &count, exts.data()); 47 } 48 49 inline VkResult enumerate(VkPhysicalDevice phy, const char *layer, std::vector<VkExtensionProperties> &exts) 50 { 51 uint32_t count = 0; 52 vk::EnumerateDeviceExtensionProperties(phy, layer, &count, nullptr); 53 54 exts.resize(count); 55 return vk::EnumerateDeviceExtensionProperties(phy, layer, &count, exts.data()); 56 } 57 58 inline VkResult enumerate(VkInstance instance, std::vector<VkPhysicalDevice> &phys) 59 { 60 uint32_t count = 0; 61 vk::EnumeratePhysicalDevices(instance, &count, nullptr); 62 63 phys.resize(count); 64 return vk::EnumeratePhysicalDevices(instance, &count, phys.data()); 65 } 66 67 inline VkResult enumerate(std::vector<VkLayerProperties> &layer_props) 68 { 69 uint32_t count = 0; 70 vk::EnumerateInstanceLayerProperties(&count, nullptr); 71 72 layer_props.resize(count); 73 return vk::EnumerateInstanceLayerProperties(&count, layer_props.data()); 74 } 75 76 inline VkResult get(VkPhysicalDevice phy, std::vector<VkQueueFamilyProperties> &queues) 77 { 78 uint32_t count = 0; 79 vk::GetPhysicalDeviceQueueFamilyProperties(phy, &count, nullptr); 80 81 queues.resize(count); 82 vk::GetPhysicalDeviceQueueFamilyProperties(phy, &count, queues.data()); 83 84 return VK_SUCCESS; 85 } 86 87 inline VkResult get(VkPhysicalDevice phy, VkSurfaceKHR surface, std::vector<VkSurfaceFormatKHR> &formats) 88 { 89 uint32_t count = 0; 90 vk::GetPhysicalDeviceSurfaceFormatsKHR(phy, surface, &count, nullptr); 91 92 formats.resize(count); 93 return vk::GetPhysicalDeviceSurfaceFormatsKHR(phy, surface, &count, formats.data()); 94 } 95 96 inline VkResult get(VkPhysicalDevice phy, VkSurfaceKHR surface, std::vector<VkPresentModeKHR> &modes) 97 { 98 uint32_t count = 0; 99 vk::GetPhysicalDeviceSurfacePresentModesKHR(phy, surface, &count, nullptr); 100 101 modes.resize(count); 102 return vk::GetPhysicalDeviceSurfacePresentModesKHR(phy, surface, &count, modes.data()); 103 } 104 105 inline VkResult get(VkDevice dev, VkSwapchainKHR swapchain, std::vector<VkImage> &images) 106 { 107 uint32_t count = 0; 108 vk::GetSwapchainImagesKHR(dev, swapchain, &count, nullptr); 109 110 images.resize(count); 111 return vk::GetSwapchainImagesKHR(dev, swapchain, &count, images.data()); 112 } 113 114 } // namespace vk 115 116 #endif // HELPERS_H 117