Moved example source files into sub folder
This commit is contained in:
saschawillems
parent
a17e3924b3
commit
94a076e1ae
69 changed files with 685 additions and 164 deletions
873
examples/renderheadless/renderheadless.cpp
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873
examples/renderheadless/renderheadless.cpp
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/*
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* Vulkan Example - Minimal headless rendering example
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*
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* Copyright (C) 2017 by Sascha Willems - www.saschawillems.de
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*
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* This code is licensed under the MIT license (MIT) (http://opensource.org/licenses/MIT)
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*/
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#if defined(_WIN32)
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#pragma comment(linker, "/subsystem:console")
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#elif defined(VK_USE_PLATFORM_ANDROID_KHR)
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#include <android/native_activity.h>
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#include <android/asset_manager.h>
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#include <android_native_app_glue.h>
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#include <android/log.h>
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#include "VulkanAndroid.h"
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <assert.h>
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#include <vector>
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#include <array>
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#include <iostream>
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#include <algorithm>
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#define GLM_FORCE_RADIANS
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#define GLM_FORCE_DEPTH_ZERO_TO_ONE
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#include <glm/glm.hpp>
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#include <glm/gtc/matrix_transform.hpp>
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#include <vulkan/vulkan.h>
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#include "VulkanTools.h"
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#if defined(VK_USE_PLATFORM_ANDROID_KHR)
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android_app* androidapp;
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#endif
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#define DEBUG (!NDEBUG)
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#define BUFFER_ELEMENTS 32
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#if defined(VK_USE_PLATFORM_ANDROID_KHR)
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#define LOG(...) ((void)__android_log_print(ANDROID_LOG_INFO, "vulkanExample", __VA_ARGS__))
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#else
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#define LOG(...) printf(__VA_ARGS__)
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#endif
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static VKAPI_ATTR VkBool32 VKAPI_CALL debugMessageCallback(
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VkDebugReportFlagsEXT flags,
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VkDebugReportObjectTypeEXT objectType,
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uint64_t object,
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size_t location,
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int32_t messageCode,
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const char* pLayerPrefix,
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const char* pMessage,
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void* pUserData)
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{
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LOG("[VALIDATION]: %s - %s\n", pLayerPrefix, pMessage);
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return VK_FALSE;
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}
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class VulkanExample
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{
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public:
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VkInstance instance;
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VkPhysicalDevice physicalDevice;
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VkDevice device;
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uint32_t queueFamilyIndex;
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VkPipelineCache pipelineCache;
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VkQueue queue;
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VkCommandPool commandPool;
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VkCommandBuffer commandBuffer;
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VkDescriptorSetLayout descriptorSetLayout;
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VkPipelineLayout pipelineLayout;
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VkPipeline pipeline;
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VkBuffer vertexBuffer, indexBuffer;
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VkDeviceMemory vertexMemory, indexMemory;
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struct FrameBufferAttachment {
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VkImage image;
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VkDeviceMemory memory;
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VkImageView view;
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};
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int32_t width, height;
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VkFramebuffer framebuffer;
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FrameBufferAttachment colorAttachment, depthAttachment;
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VkRenderPass renderPass;
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VkDebugReportCallbackEXT debugReportCallback;
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uint32_t getMemoryTypeIndex(uint32_t typeBits, VkMemoryPropertyFlags properties) {
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VkPhysicalDeviceMemoryProperties deviceMemoryProperties;
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vkGetPhysicalDeviceMemoryProperties(physicalDevice, &deviceMemoryProperties);
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for (uint32_t i = 0; i < deviceMemoryProperties.memoryTypeCount; i++) {
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if ((typeBits & 1) == 1) {
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if ((deviceMemoryProperties.memoryTypes[i].propertyFlags & properties) == properties) {
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return i;
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}
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}
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typeBits >>= 1;
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}
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return 0;
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}
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VkResult createBuffer(VkBufferUsageFlags usageFlags, VkMemoryPropertyFlags memoryPropertyFlags, VkBuffer *buffer, VkDeviceMemory *memory, VkDeviceSize size, void *data = nullptr)
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{
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// Create the buffer handle
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VkBufferCreateInfo bufferCreateInfo = vks::initializers::bufferCreateInfo(usageFlags, size);
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bufferCreateInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
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VK_CHECK_RESULT(vkCreateBuffer(device, &bufferCreateInfo, nullptr, buffer));
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// Create the memory backing up the buffer handle
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VkMemoryRequirements memReqs;
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VkMemoryAllocateInfo memAlloc = vks::initializers::memoryAllocateInfo();
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vkGetBufferMemoryRequirements(device, *buffer, &memReqs);
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memAlloc.allocationSize = memReqs.size;
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memAlloc.memoryTypeIndex = getMemoryTypeIndex(memReqs.memoryTypeBits, memoryPropertyFlags);
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VK_CHECK_RESULT(vkAllocateMemory(device, &memAlloc, nullptr, memory));
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if (data != nullptr) {
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void *mapped;
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VK_CHECK_RESULT(vkMapMemory(device, *memory, 0, size, 0, &mapped));
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memcpy(mapped, data, size);
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vkUnmapMemory(device, *memory);
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}
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VK_CHECK_RESULT(vkBindBufferMemory(device, *buffer, *memory, 0));
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return VK_SUCCESS;
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}
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/*
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Submit command buffer to a queue and wait for fence until queue operations have been finished
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*/
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void submitWork(VkCommandBuffer cmdBuffer, VkQueue queue)
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{
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VkSubmitInfo submitInfo = vks::initializers::submitInfo();
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submitInfo.commandBufferCount = 1;
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submitInfo.pCommandBuffers = &cmdBuffer;
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VkFenceCreateInfo fenceInfo = vks::initializers::fenceCreateInfo();
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VkFence fence;
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VK_CHECK_RESULT(vkCreateFence(device, &fenceInfo, nullptr, &fence));
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VK_CHECK_RESULT(vkQueueSubmit(queue, 1, &submitInfo, fence));
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VK_CHECK_RESULT(vkWaitForFences(device, 1, &fence, VK_TRUE, UINT64_MAX));
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vkDestroyFence(device, fence, nullptr);
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}
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VulkanExample()
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{
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LOG("Running headless rendering example\n");
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#if defined(VK_USE_PLATFORM_ANDROID_KHR)
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LOG("loading vulkan lib");
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vks::android::loadVulkanLibrary();
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#endif
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VkApplicationInfo appInfo = {};
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appInfo.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
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appInfo.pApplicationName = "Vulkan headless example";
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appInfo.pEngineName = "VulkanExample";
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appInfo.apiVersion = VK_API_VERSION_1_0;
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/*
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Vulkan instance creation (without surface extensions)
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*/
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VkInstanceCreateInfo instanceCreateInfo = {};
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instanceCreateInfo.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
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instanceCreateInfo.pApplicationInfo = &appInfo;
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uint32_t layerCount = 0;
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#if defined(VK_USE_PLATFORM_ANDROID_KHR)
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const char* validationlayers[] = { "VK_LAYER_GOOGLE_threading", "VK_LAYER_LUNARG_parameter_validation", "VK_LAYER_LUNARG_object_tracker","VK_LAYER_LUNARG_core_validation", "VK_LAYER_LUNARG_swapchain", "VK_LAYER_GOOGLE_unique_objects" };
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layerCount = 6;
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#else
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const char* validationlayers[] = { "VK_LAYER_LUNARG_standard_validation" };
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layerCount = 1;
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#endif
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#if DEBUG
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instanceCreateInfo.ppEnabledLayerNames = validationlayers;
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const char* validationExt = VK_EXT_DEBUG_REPORT_EXTENSION_NAME;
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instanceCreateInfo.enabledLayerCount = layerCount;
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instanceCreateInfo.enabledExtensionCount = 1;
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instanceCreateInfo.ppEnabledExtensionNames = &validationExt;
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#endif
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VK_CHECK_RESULT(vkCreateInstance(&instanceCreateInfo, nullptr, &instance));
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#if defined(VK_USE_PLATFORM_ANDROID_KHR)
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vks::android::loadVulkanFunctions(instance);
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#endif
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#if DEBUG
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VkDebugReportCallbackCreateInfoEXT debugReportCreateInfo = {};
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debugReportCreateInfo.sType = VK_STRUCTURE_TYPE_DEBUG_REPORT_CALLBACK_CREATE_INFO_EXT;
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debugReportCreateInfo.flags = VK_DEBUG_REPORT_ERROR_BIT_EXT | VK_DEBUG_REPORT_WARNING_BIT_EXT;
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debugReportCreateInfo.pfnCallback = (PFN_vkDebugReportCallbackEXT)debugMessageCallback;
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// We have to explicitly load this function.
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PFN_vkCreateDebugReportCallbackEXT vkCreateDebugReportCallbackEXT = reinterpret_cast<PFN_vkCreateDebugReportCallbackEXT>(vkGetInstanceProcAddr(instance, "vkCreateDebugReportCallbackEXT"));
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assert(vkCreateDebugReportCallbackEXT);
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VK_CHECK_RESULT(vkCreateDebugReportCallbackEXT(instance, &debugReportCreateInfo, nullptr, &debugReportCallback));
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#endif
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/*
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Vulkan device creation
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*/
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uint32_t deviceCount = 0;
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VK_CHECK_RESULT(vkEnumeratePhysicalDevices(instance, &deviceCount, nullptr));
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std::vector<VkPhysicalDevice> physicalDevices(deviceCount);
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VK_CHECK_RESULT(vkEnumeratePhysicalDevices(instance, &deviceCount, physicalDevices.data()));
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physicalDevice = physicalDevices[0];
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VkPhysicalDeviceProperties deviceProperties;
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vkGetPhysicalDeviceProperties(physicalDevice, &deviceProperties);
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LOG("GPU: %s\n", deviceProperties.deviceName);
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// Request a single graphics queue
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const float defaultQueuePriority(0.0f);
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VkDeviceQueueCreateInfo queueCreateInfo = {};
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uint32_t queueFamilyCount;
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vkGetPhysicalDeviceQueueFamilyProperties(physicalDevice, &queueFamilyCount, nullptr);
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std::vector<VkQueueFamilyProperties> queueFamilyProperties(queueFamilyCount);
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vkGetPhysicalDeviceQueueFamilyProperties(physicalDevice, &queueFamilyCount, queueFamilyProperties.data());
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for (uint32_t i = 0; i < static_cast<uint32_t>(queueFamilyProperties.size()); i++) {
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if (queueFamilyProperties[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) {
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queueFamilyIndex = i;
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queueCreateInfo.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
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queueCreateInfo.queueFamilyIndex = i;
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queueCreateInfo.queueCount = 1;
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queueCreateInfo.pQueuePriorities = &defaultQueuePriority;
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break;
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}
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}
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// Create logical device
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VkDeviceCreateInfo deviceCreateInfo = {};
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deviceCreateInfo.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
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deviceCreateInfo.queueCreateInfoCount = 1;
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deviceCreateInfo.pQueueCreateInfos = &queueCreateInfo;
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VK_CHECK_RESULT(vkCreateDevice(physicalDevice, &deviceCreateInfo, nullptr, &device));
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// Get a compute queue
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vkGetDeviceQueue(device, queueFamilyIndex, 0, &queue);
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// Command pool
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VkCommandPoolCreateInfo cmdPoolInfo = {};
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cmdPoolInfo.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
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cmdPoolInfo.queueFamilyIndex = queueFamilyIndex;
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cmdPoolInfo.flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT;
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VK_CHECK_RESULT(vkCreateCommandPool(device, &cmdPoolInfo, nullptr, &commandPool));
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/*
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Prepare vertex and index buffers
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*/
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struct Vertex {
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float position[3];
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float color[3];
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};
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{
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std::vector<Vertex> vertices = {
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{ { 1.0f, 1.0f, 0.0f }, { 1.0f, 0.0f, 0.0f } },
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{ { -1.0f, 1.0f, 0.0f }, { 0.0f, 1.0f, 0.0f } },
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{ { 0.0f, -1.0f, 0.0f }, { 0.0f, 0.0f, 1.0f } }
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};
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std::vector<uint32_t> indices = { 0, 1, 2 };
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const VkDeviceSize vertexBufferSize = vertices.size() * sizeof(Vertex);
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const VkDeviceSize indexBufferSize = indices.size() * sizeof(uint32_t);
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VkBuffer stagingBuffer;
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VkDeviceMemory stagingMemory;
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// Command buffer for copy commands (reused)
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VkCommandBufferAllocateInfo cmdBufAllocateInfo = vks::initializers::commandBufferAllocateInfo(commandPool, VK_COMMAND_BUFFER_LEVEL_PRIMARY, 1);
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VkCommandBuffer copyCmd;
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VK_CHECK_RESULT(vkAllocateCommandBuffers(device, &cmdBufAllocateInfo, ©Cmd));
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VkCommandBufferBeginInfo cmdBufInfo = vks::initializers::commandBufferBeginInfo();
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// Copy input data to VRAM using a staging buffer
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{
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// Vertices
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createBuffer(
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VK_BUFFER_USAGE_TRANSFER_SRC_BIT,
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VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
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&stagingBuffer,
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&stagingMemory,
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vertexBufferSize,
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vertices.data());
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createBuffer(
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VK_BUFFER_USAGE_VERTEX_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT,
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VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT,
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&vertexBuffer,
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&vertexMemory,
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vertexBufferSize);
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VK_CHECK_RESULT(vkBeginCommandBuffer(copyCmd, &cmdBufInfo));
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VkBufferCopy copyRegion = {};
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copyRegion.size = vertexBufferSize;
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vkCmdCopyBuffer(copyCmd, stagingBuffer, vertexBuffer, 1, ©Region);
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VK_CHECK_RESULT(vkEndCommandBuffer(copyCmd));
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submitWork(copyCmd, queue);
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vkDestroyBuffer(device, stagingBuffer, nullptr);
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vkFreeMemory(device, stagingMemory, nullptr);
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// Indices
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createBuffer(
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VK_BUFFER_USAGE_TRANSFER_SRC_BIT,
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VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
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&stagingBuffer,
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&stagingMemory,
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indexBufferSize,
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indices.data());
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createBuffer(
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VK_BUFFER_USAGE_INDEX_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT,
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VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT,
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&indexBuffer,
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&indexMemory,
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indexBufferSize);
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VK_CHECK_RESULT(vkBeginCommandBuffer(copyCmd, &cmdBufInfo));
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copyRegion.size = indexBufferSize;
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vkCmdCopyBuffer(copyCmd, stagingBuffer, indexBuffer, 1, ©Region);
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VK_CHECK_RESULT(vkEndCommandBuffer(copyCmd));
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submitWork(copyCmd, queue);
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vkDestroyBuffer(device, stagingBuffer, nullptr);
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vkFreeMemory(device, stagingMemory, nullptr);
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}
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}
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/*
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Create framebuffer attachments
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*/
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width = 1024;
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height = 1024;
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VkFormat colorFormat = VK_FORMAT_R8G8B8A8_UNORM;
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VkFormat depthFormat;
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vks::tools::getSupportedDepthFormat(physicalDevice, &depthFormat);
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{
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// Color attachment
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VkImageCreateInfo image = vks::initializers::imageCreateInfo();
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image.imageType = VK_IMAGE_TYPE_2D;
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image.format = colorFormat;
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image.extent.width = width;
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image.extent.height = height;
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image.extent.depth = 1;
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image.mipLevels = 1;
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image.arrayLayers = 1;
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image.samples = VK_SAMPLE_COUNT_1_BIT;
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image.tiling = VK_IMAGE_TILING_OPTIMAL;
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image.usage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
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VkMemoryAllocateInfo memAlloc = vks::initializers::memoryAllocateInfo();
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VkMemoryRequirements memReqs;
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VK_CHECK_RESULT(vkCreateImage(device, &image, nullptr, &colorAttachment.image));
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vkGetImageMemoryRequirements(device, colorAttachment.image, &memReqs);
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memAlloc.allocationSize = memReqs.size;
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memAlloc.memoryTypeIndex = getMemoryTypeIndex(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
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VK_CHECK_RESULT(vkAllocateMemory(device, &memAlloc, nullptr, &colorAttachment.memory));
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VK_CHECK_RESULT(vkBindImageMemory(device, colorAttachment.image, colorAttachment.memory, 0));
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VkImageViewCreateInfo colorImageView = vks::initializers::imageViewCreateInfo();
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colorImageView.viewType = VK_IMAGE_VIEW_TYPE_2D;
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colorImageView.format = colorFormat;
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colorImageView.subresourceRange = {};
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colorImageView.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
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colorImageView.subresourceRange.baseMipLevel = 0;
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colorImageView.subresourceRange.levelCount = 1;
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colorImageView.subresourceRange.baseArrayLayer = 0;
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colorImageView.subresourceRange.layerCount = 1;
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colorImageView.image = colorAttachment.image;
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VK_CHECK_RESULT(vkCreateImageView(device, &colorImageView, nullptr, &colorAttachment.view));
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// Depth stencil attachment
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image.format = depthFormat;
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image.usage = VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT;
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VK_CHECK_RESULT(vkCreateImage(device, &image, nullptr, &depthAttachment.image));
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vkGetImageMemoryRequirements(device, depthAttachment.image, &memReqs);
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memAlloc.allocationSize = memReqs.size;
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memAlloc.memoryTypeIndex = getMemoryTypeIndex(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
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VK_CHECK_RESULT(vkAllocateMemory(device, &memAlloc, nullptr, &depthAttachment.memory));
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VK_CHECK_RESULT(vkBindImageMemory(device, depthAttachment.image, depthAttachment.memory, 0));
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VkImageViewCreateInfo depthStencilView = vks::initializers::imageViewCreateInfo();
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depthStencilView.viewType = VK_IMAGE_VIEW_TYPE_2D;
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depthStencilView.format = depthFormat;
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depthStencilView.flags = 0;
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depthStencilView.subresourceRange = {};
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depthStencilView.subresourceRange.aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT;
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depthStencilView.subresourceRange.baseMipLevel = 0;
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depthStencilView.subresourceRange.levelCount = 1;
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depthStencilView.subresourceRange.baseArrayLayer = 0;
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depthStencilView.subresourceRange.layerCount = 1;
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depthStencilView.image = depthAttachment.image;
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VK_CHECK_RESULT(vkCreateImageView(device, &depthStencilView, nullptr, &depthAttachment.view));
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}
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/*
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Create renderpass
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*/
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{
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std::array<VkAttachmentDescription, 2> attchmentDescriptions = {};
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// Color attachment
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attchmentDescriptions[0].format = colorFormat;
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attchmentDescriptions[0].samples = VK_SAMPLE_COUNT_1_BIT;
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attchmentDescriptions[0].loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
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attchmentDescriptions[0].storeOp = VK_ATTACHMENT_STORE_OP_STORE;
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attchmentDescriptions[0].stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
|
||||
attchmentDescriptions[0].stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
|
||||
attchmentDescriptions[0].initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
|
||||
attchmentDescriptions[0].finalLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
|
||||
// Depth attachment
|
||||
attchmentDescriptions[1].format = depthFormat;
|
||||
attchmentDescriptions[1].samples = VK_SAMPLE_COUNT_1_BIT;
|
||||
attchmentDescriptions[1].loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
|
||||
attchmentDescriptions[1].storeOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
|
||||
attchmentDescriptions[1].stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
|
||||
attchmentDescriptions[1].stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
|
||||
attchmentDescriptions[1].initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
|
||||
attchmentDescriptions[1].finalLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
|
||||
|
||||
VkAttachmentReference colorReference = { 0, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL };
|
||||
VkAttachmentReference depthReference = { 1, VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL };
|
||||
|
||||
VkSubpassDescription subpassDescription = {};
|
||||
subpassDescription.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
|
||||
subpassDescription.colorAttachmentCount = 1;
|
||||
subpassDescription.pColorAttachments = &colorReference;
|
||||
subpassDescription.pDepthStencilAttachment = &depthReference;
|
||||
|
||||
// Use subpass dependencies for layout transitions
|
||||
std::array<VkSubpassDependency, 2> dependencies;
|
||||
|
||||
dependencies[0].srcSubpass = VK_SUBPASS_EXTERNAL;
|
||||
dependencies[0].dstSubpass = 0;
|
||||
dependencies[0].srcStageMask = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT;
|
||||
dependencies[0].dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
|
||||
dependencies[0].srcAccessMask = VK_ACCESS_MEMORY_READ_BIT;
|
||||
dependencies[0].dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_READ_BIT | VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
|
||||
dependencies[0].dependencyFlags = VK_DEPENDENCY_BY_REGION_BIT;
|
||||
|
||||
dependencies[1].srcSubpass = 0;
|
||||
dependencies[1].dstSubpass = VK_SUBPASS_EXTERNAL;
|
||||
dependencies[1].srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
|
||||
dependencies[1].dstStageMask = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT;
|
||||
dependencies[1].srcAccessMask = VK_ACCESS_COLOR_ATTACHMENT_READ_BIT | VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
|
||||
dependencies[1].dstAccessMask = VK_ACCESS_MEMORY_READ_BIT;
|
||||
dependencies[1].dependencyFlags = VK_DEPENDENCY_BY_REGION_BIT;
|
||||
|
||||
// Create the actual renderpass
|
||||
VkRenderPassCreateInfo renderPassInfo = {};
|
||||
renderPassInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
|
||||
renderPassInfo.attachmentCount = static_cast<uint32_t>(attchmentDescriptions.size());
|
||||
renderPassInfo.pAttachments = attchmentDescriptions.data();
|
||||
renderPassInfo.subpassCount = 1;
|
||||
renderPassInfo.pSubpasses = &subpassDescription;
|
||||
renderPassInfo.dependencyCount = static_cast<uint32_t>(dependencies.size());
|
||||
renderPassInfo.pDependencies = dependencies.data();
|
||||
VK_CHECK_RESULT(vkCreateRenderPass(device, &renderPassInfo, nullptr, &renderPass));
|
||||
|
||||
VkImageView attachments[2];
|
||||
attachments[0] = colorAttachment.view;
|
||||
attachments[1] = depthAttachment.view;
|
||||
|
||||
VkFramebufferCreateInfo framebufferCreateInfo = vks::initializers::framebufferCreateInfo();
|
||||
framebufferCreateInfo.renderPass = renderPass;
|
||||
framebufferCreateInfo.attachmentCount = 2;
|
||||
framebufferCreateInfo.pAttachments = attachments;
|
||||
framebufferCreateInfo.width = width;
|
||||
framebufferCreateInfo.height = height;
|
||||
framebufferCreateInfo.layers = 1;
|
||||
VK_CHECK_RESULT(vkCreateFramebuffer(device, &framebufferCreateInfo, nullptr, &framebuffer));
|
||||
}
|
||||
|
||||
/*
|
||||
Prepare graphics pipeline
|
||||
*/
|
||||
{
|
||||
std::vector<VkDescriptorSetLayoutBinding> setLayoutBindings = {};
|
||||
VkDescriptorSetLayoutCreateInfo descriptorLayout =
|
||||
vks::initializers::descriptorSetLayoutCreateInfo(setLayoutBindings);
|
||||
VK_CHECK_RESULT(vkCreateDescriptorSetLayout(device, &descriptorLayout, nullptr, &descriptorSetLayout));
|
||||
|
||||
VkPipelineLayoutCreateInfo pipelineLayoutCreateInfo =
|
||||
vks::initializers::pipelineLayoutCreateInfo(nullptr, 0);
|
||||
|
||||
// MVP via push constant block
|
||||
VkPushConstantRange pushConstantRange = vks::initializers::pushConstantRange(VK_SHADER_STAGE_VERTEX_BIT, sizeof(glm::mat4), 0);
|
||||
pipelineLayoutCreateInfo.pushConstantRangeCount = 1;
|
||||
pipelineLayoutCreateInfo.pPushConstantRanges = &pushConstantRange;
|
||||
|
||||
VK_CHECK_RESULT(vkCreatePipelineLayout(device, &pipelineLayoutCreateInfo, nullptr, &pipelineLayout));
|
||||
|
||||
VkPipelineCacheCreateInfo pipelineCacheCreateInfo = {};
|
||||
pipelineCacheCreateInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_CACHE_CREATE_INFO;
|
||||
VK_CHECK_RESULT(vkCreatePipelineCache(device, &pipelineCacheCreateInfo, nullptr, &pipelineCache));
|
||||
|
||||
// Create pipeline
|
||||
VkPipelineInputAssemblyStateCreateInfo inputAssemblyState =
|
||||
vks::initializers::pipelineInputAssemblyStateCreateInfo(VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST, 0, VK_FALSE);
|
||||
|
||||
VkPipelineRasterizationStateCreateInfo rasterizationState =
|
||||
vks::initializers::pipelineRasterizationStateCreateInfo(VK_POLYGON_MODE_FILL, VK_CULL_MODE_BACK_BIT, VK_FRONT_FACE_CLOCKWISE);
|
||||
|
||||
VkPipelineColorBlendAttachmentState blendAttachmentState =
|
||||
vks::initializers::pipelineColorBlendAttachmentState(0xf, VK_FALSE);
|
||||
|
||||
VkPipelineColorBlendStateCreateInfo colorBlendState =
|
||||
vks::initializers::pipelineColorBlendStateCreateInfo(1, &blendAttachmentState);
|
||||
|
||||
VkPipelineDepthStencilStateCreateInfo depthStencilState =
|
||||
vks::initializers::pipelineDepthStencilStateCreateInfo(VK_TRUE, VK_TRUE, VK_COMPARE_OP_LESS_OR_EQUAL);
|
||||
|
||||
VkPipelineViewportStateCreateInfo viewportState =
|
||||
vks::initializers::pipelineViewportStateCreateInfo(1, 1);
|
||||
|
||||
VkPipelineMultisampleStateCreateInfo multisampleState =
|
||||
vks::initializers::pipelineMultisampleStateCreateInfo(VK_SAMPLE_COUNT_1_BIT);
|
||||
|
||||
std::vector<VkDynamicState> dynamicStateEnables = {
|
||||
VK_DYNAMIC_STATE_VIEWPORT,
|
||||
VK_DYNAMIC_STATE_SCISSOR
|
||||
};
|
||||
VkPipelineDynamicStateCreateInfo dynamicState =
|
||||
vks::initializers::pipelineDynamicStateCreateInfo(dynamicStateEnables);
|
||||
|
||||
VkGraphicsPipelineCreateInfo pipelineCreateInfo =
|
||||
vks::initializers::pipelineCreateInfo(pipelineLayout, renderPass);
|
||||
|
||||
std::array<VkPipelineShaderStageCreateInfo, 2> shaderStages{};
|
||||
|
||||
pipelineCreateInfo.pInputAssemblyState = &inputAssemblyState;
|
||||
pipelineCreateInfo.pRasterizationState = &rasterizationState;
|
||||
pipelineCreateInfo.pColorBlendState = &colorBlendState;
|
||||
pipelineCreateInfo.pMultisampleState = &multisampleState;
|
||||
pipelineCreateInfo.pViewportState = &viewportState;
|
||||
pipelineCreateInfo.pDepthStencilState = &depthStencilState;
|
||||
pipelineCreateInfo.pDynamicState = &dynamicState;
|
||||
pipelineCreateInfo.stageCount = static_cast<uint32_t>(shaderStages.size());
|
||||
pipelineCreateInfo.pStages = shaderStages.data();
|
||||
|
||||
// Vertex bindings an attributes
|
||||
// Binding description
|
||||
std::vector<VkVertexInputBindingDescription> vertexInputBindings = {
|
||||
vks::initializers::vertexInputBindingDescription(0, sizeof(Vertex), VK_VERTEX_INPUT_RATE_VERTEX),
|
||||
};
|
||||
|
||||
// Attribute descriptions
|
||||
std::vector<VkVertexInputAttributeDescription> vertexInputAttributes = {
|
||||
vks::initializers::vertexInputAttributeDescription(0, 0, VK_FORMAT_R32G32B32_SFLOAT, 0), // Position
|
||||
vks::initializers::vertexInputAttributeDescription(0, 1, VK_FORMAT_R32G32B32_SFLOAT, sizeof(float) * 3), // Color
|
||||
};
|
||||
|
||||
VkPipelineVertexInputStateCreateInfo vertexInputState = vks::initializers::pipelineVertexInputStateCreateInfo();
|
||||
vertexInputState.vertexBindingDescriptionCount = static_cast<uint32_t>(vertexInputBindings.size());
|
||||
vertexInputState.pVertexBindingDescriptions = vertexInputBindings.data();
|
||||
vertexInputState.vertexAttributeDescriptionCount = static_cast<uint32_t>(vertexInputAttributes.size());
|
||||
vertexInputState.pVertexAttributeDescriptions = vertexInputAttributes.data();
|
||||
|
||||
pipelineCreateInfo.pVertexInputState = &vertexInputState;
|
||||
|
||||
shaderStages[0].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
|
||||
shaderStages[0].stage = VK_SHADER_STAGE_VERTEX_BIT;
|
||||
shaderStages[0].pName = "main";
|
||||
shaderStages[1].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
|
||||
shaderStages[1].stage = VK_SHADER_STAGE_FRAGMENT_BIT;
|
||||
shaderStages[1].pName = "main";
|
||||
#if defined(VK_USE_PLATFORM_ANDROID_KHR)
|
||||
shaderStages[0].module = vks::tools::loadShader(androidapp->activity->assetManager, ASSET_PATH "shaders/renderheadless/triangle.vert.spv", device);
|
||||
shaderStages[1].module = vks::tools::loadShader(androidapp->activity->assetManager, ASSET_PATH "shaders/renderheadless/triangle.frag.spv", device);
|
||||
#else
|
||||
shaderStages[0].module = vks::tools::loadShader(ASSET_PATH "shaders/renderheadless/triangle.vert.spv", device);
|
||||
shaderStages[1].module = vks::tools::loadShader(ASSET_PATH "shaders/renderheadless/triangle.frag.spv", device);
|
||||
#endif
|
||||
VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCreateInfo, nullptr, &pipeline));
|
||||
}
|
||||
|
||||
/*
|
||||
Command buffer creation (for compute work submission)
|
||||
*/
|
||||
{
|
||||
VkCommandBuffer commandBuffer;
|
||||
VkCommandBufferAllocateInfo cmdBufAllocateInfo =
|
||||
vks::initializers::commandBufferAllocateInfo(commandPool, VK_COMMAND_BUFFER_LEVEL_PRIMARY, 1);
|
||||
VK_CHECK_RESULT(vkAllocateCommandBuffers(device, &cmdBufAllocateInfo, &commandBuffer));
|
||||
|
||||
VkCommandBufferBeginInfo cmdBufInfo =
|
||||
vks::initializers::commandBufferBeginInfo();
|
||||
|
||||
VK_CHECK_RESULT(vkBeginCommandBuffer(commandBuffer, &cmdBufInfo));
|
||||
|
||||
VkClearValue clearValues[2];
|
||||
clearValues[0].color = { { 0.0f, 0.0f, 0.2f, 1.0f } };
|
||||
clearValues[1].depthStencil = { 1.0f, 0 };
|
||||
|
||||
VkRenderPassBeginInfo renderPassBeginInfo = {};
|
||||
renderPassBeginInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
|
||||
renderPassBeginInfo.renderArea.extent.width = width;
|
||||
renderPassBeginInfo.renderArea.extent.height = height;
|
||||
renderPassBeginInfo.clearValueCount = 2;
|
||||
renderPassBeginInfo.pClearValues = clearValues;
|
||||
renderPassBeginInfo.renderPass = renderPass;
|
||||
renderPassBeginInfo.framebuffer = framebuffer;
|
||||
|
||||
vkCmdBeginRenderPass(commandBuffer, &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
|
||||
|
||||
VkViewport viewport = {};
|
||||
viewport.height = (float)height;
|
||||
viewport.width = (float)width;
|
||||
viewport.minDepth = (float)0.0f;
|
||||
viewport.maxDepth = (float)1.0f;
|
||||
vkCmdSetViewport(commandBuffer, 0, 1, &viewport);
|
||||
|
||||
// Update dynamic scissor state
|
||||
VkRect2D scissor = {};
|
||||
scissor.extent.width = width;
|
||||
scissor.extent.height = height;
|
||||
vkCmdSetScissor(commandBuffer, 0, 1, &scissor);
|
||||
|
||||
vkCmdBindPipeline(commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline);
|
||||
|
||||
// Render scene
|
||||
VkDeviceSize offsets[1] = { 0 };
|
||||
vkCmdBindVertexBuffers(commandBuffer, 0, 1, &vertexBuffer, offsets);
|
||||
vkCmdBindIndexBuffer(commandBuffer, indexBuffer, 0, VK_INDEX_TYPE_UINT32);
|
||||
|
||||
std::vector<glm::vec3> pos = {
|
||||
glm::vec3(-1.5f, 0.0f, -4.0f),
|
||||
glm::vec3( 0.0f, 0.0f, -2.5f),
|
||||
glm::vec3( 1.5f, 0.0f, -4.0f),
|
||||
};
|
||||
|
||||
for (auto v : pos) {
|
||||
glm::mat4 mvpMatrix = glm::perspective(glm::radians(60.0f), (float)width / (float)height, 0.1f, 256.0f) * glm::translate(glm::mat4(1.0f), v);
|
||||
vkCmdPushConstants(commandBuffer, pipelineLayout, VK_SHADER_STAGE_VERTEX_BIT, 0, sizeof(mvpMatrix), &mvpMatrix);
|
||||
vkCmdDrawIndexed(commandBuffer, 3, 1, 0, 0, 0);
|
||||
}
|
||||
|
||||
vkCmdEndRenderPass(commandBuffer);
|
||||
|
||||
VK_CHECK_RESULT(vkEndCommandBuffer(commandBuffer));
|
||||
|
||||
submitWork(commandBuffer, queue);
|
||||
|
||||
vkDeviceWaitIdle(device);
|
||||
}
|
||||
|
||||
/*
|
||||
Copy framebuffer image to host visible image
|
||||
*/
|
||||
const char* imagedata;
|
||||
{
|
||||
// Create the linear tiled destination image to copy to and to read the memory from
|
||||
VkImageCreateInfo imgCreateInfo(vks::initializers::imageCreateInfo());
|
||||
imgCreateInfo.imageType = VK_IMAGE_TYPE_2D;
|
||||
imgCreateInfo.format = VK_FORMAT_R8G8B8A8_UNORM;
|
||||
imgCreateInfo.extent.width = width;
|
||||
imgCreateInfo.extent.height = height;
|
||||
imgCreateInfo.extent.depth = 1;
|
||||
imgCreateInfo.arrayLayers = 1;
|
||||
imgCreateInfo.mipLevels = 1;
|
||||
imgCreateInfo.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
|
||||
imgCreateInfo.samples = VK_SAMPLE_COUNT_1_BIT;
|
||||
imgCreateInfo.tiling = VK_IMAGE_TILING_LINEAR;
|
||||
imgCreateInfo.usage = VK_IMAGE_USAGE_TRANSFER_DST_BIT;
|
||||
// Create the image
|
||||
VkImage dstImage;
|
||||
VK_CHECK_RESULT(vkCreateImage(device, &imgCreateInfo, nullptr, &dstImage));
|
||||
// Create memory to back up the image
|
||||
VkMemoryRequirements memRequirements;
|
||||
VkMemoryAllocateInfo memAllocInfo(vks::initializers::memoryAllocateInfo());
|
||||
VkDeviceMemory dstImageMemory;
|
||||
vkGetImageMemoryRequirements(device, dstImage, &memRequirements);
|
||||
memAllocInfo.allocationSize = memRequirements.size;
|
||||
// Memory must be host visible to copy from
|
||||
memAllocInfo.memoryTypeIndex = getMemoryTypeIndex(memRequirements.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT);
|
||||
VK_CHECK_RESULT(vkAllocateMemory(device, &memAllocInfo, nullptr, &dstImageMemory));
|
||||
VK_CHECK_RESULT(vkBindImageMemory(device, dstImage, dstImageMemory, 0));
|
||||
|
||||
// Do the actual blit from the swapchain image to our host visible destination image
|
||||
VkCommandBufferAllocateInfo cmdBufAllocateInfo = vks::initializers::commandBufferAllocateInfo(commandPool, VK_COMMAND_BUFFER_LEVEL_PRIMARY, 1);
|
||||
VkCommandBuffer copyCmd;
|
||||
VK_CHECK_RESULT(vkAllocateCommandBuffers(device, &cmdBufAllocateInfo, ©Cmd));
|
||||
VkCommandBufferBeginInfo cmdBufInfo = vks::initializers::commandBufferBeginInfo();
|
||||
VK_CHECK_RESULT(vkBeginCommandBuffer(copyCmd, &cmdBufInfo));
|
||||
|
||||
VkImageMemoryBarrier imageMemoryBarrier = vks::initializers::imageMemoryBarrier();
|
||||
|
||||
// Transition destination image to transfer destination layout
|
||||
vks::tools::insertImageMemoryBarrier(
|
||||
copyCmd,
|
||||
dstImage,
|
||||
0,
|
||||
VK_ACCESS_TRANSFER_WRITE_BIT,
|
||||
VK_IMAGE_LAYOUT_UNDEFINED,
|
||||
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
|
||||
VK_PIPELINE_STAGE_TRANSFER_BIT,
|
||||
VK_PIPELINE_STAGE_TRANSFER_BIT,
|
||||
VkImageSubresourceRange{ VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1 });
|
||||
|
||||
// Transition color attachment to transfer source
|
||||
vks::tools::insertImageMemoryBarrier(
|
||||
copyCmd,
|
||||
colorAttachment.image,
|
||||
0,
|
||||
VK_ACCESS_TRANSFER_READ_BIT,
|
||||
VK_IMAGE_LAYOUT_UNDEFINED,
|
||||
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
|
||||
VK_PIPELINE_STAGE_TRANSFER_BIT,
|
||||
VK_PIPELINE_STAGE_TRANSFER_BIT,
|
||||
VkImageSubresourceRange{ VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1 });
|
||||
|
||||
VkImageCopy imageCopyRegion{};
|
||||
imageCopyRegion.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
|
||||
imageCopyRegion.srcSubresource.layerCount = 1;
|
||||
imageCopyRegion.dstSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
|
||||
imageCopyRegion.dstSubresource.layerCount = 1;
|
||||
imageCopyRegion.extent.width = width;
|
||||
imageCopyRegion.extent.height = height;
|
||||
imageCopyRegion.extent.depth = 1;
|
||||
|
||||
vkCmdCopyImage(
|
||||
copyCmd,
|
||||
colorAttachment.image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
|
||||
dstImage, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
|
||||
1,
|
||||
&imageCopyRegion);
|
||||
|
||||
// Transition destination image to general layout, which is the required layout for mapping the image memory later on
|
||||
vks::tools::insertImageMemoryBarrier(
|
||||
copyCmd,
|
||||
dstImage,
|
||||
VK_ACCESS_TRANSFER_WRITE_BIT,
|
||||
VK_ACCESS_MEMORY_READ_BIT,
|
||||
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
|
||||
VK_IMAGE_LAYOUT_GENERAL,
|
||||
VK_PIPELINE_STAGE_TRANSFER_BIT,
|
||||
VK_PIPELINE_STAGE_TRANSFER_BIT,
|
||||
VkImageSubresourceRange{ VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1 });
|
||||
|
||||
VK_CHECK_RESULT(vkEndCommandBuffer(copyCmd));
|
||||
|
||||
submitWork(copyCmd, queue);
|
||||
|
||||
// Get layout of the image (including row pitch)
|
||||
VkImageSubresource subResource{};
|
||||
subResource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
|
||||
VkSubresourceLayout subResourceLayout;
|
||||
|
||||
vkGetImageSubresourceLayout(device, dstImage, &subResource, &subResourceLayout);
|
||||
|
||||
// Map image memory so we can start copying from it
|
||||
vkMapMemory(device, dstImageMemory, 0, VK_WHOLE_SIZE, 0, (void**)&imagedata);
|
||||
imagedata += subResourceLayout.offset;
|
||||
|
||||
/*
|
||||
Save host visible framebuffer image to disk (ppm format)
|
||||
*/
|
||||
|
||||
#if defined (VK_USE_PLATFORM_ANDROID_KHR)
|
||||
const char* filename = strcat(getenv("EXTERNAL_STORAGE"), "/headless.ppm");
|
||||
#else
|
||||
const char* filename = "headless.ppm";
|
||||
#endif
|
||||
std::ofstream file(filename, std::ios::out | std::ios::binary);
|
||||
|
||||
// ppm header
|
||||
file << "P6\n" << width << "\n" << height << "\n" << 255 << "\n";
|
||||
|
||||
// If source is BGR (destination is always RGB) and we can't use blit (which does automatic conversion), we'll have to manually swizzle color components
|
||||
bool colorSwizzle = false;
|
||||
// Check if source is BGR and needs swizzle
|
||||
std::vector<VkFormat> formatsBGR = { VK_FORMAT_B8G8R8A8_SRGB, VK_FORMAT_B8G8R8A8_UNORM, VK_FORMAT_B8G8R8A8_SNORM };
|
||||
colorSwizzle = (std::find(formatsBGR.begin(), formatsBGR.end(), VK_FORMAT_R8G8B8A8_UNORM) != formatsBGR.end());
|
||||
|
||||
// ppm binary pixel data
|
||||
for (int32_t y = 0; y < height; y++) {
|
||||
unsigned int *row = (unsigned int*)imagedata;
|
||||
for (int32_t x = 0; x < width; x++) {
|
||||
if (colorSwizzle) {
|
||||
file.write((char*)row + 2, 1);
|
||||
file.write((char*)row + 1, 1);
|
||||
file.write((char*)row, 1);
|
||||
}
|
||||
else {
|
||||
file.write((char*)row, 3);
|
||||
}
|
||||
row++;
|
||||
}
|
||||
imagedata += subResourceLayout.rowPitch;
|
||||
}
|
||||
file.close();
|
||||
|
||||
LOG("Framebuffer image saved to %s\n", filename);
|
||||
|
||||
// Clean up resources
|
||||
vkUnmapMemory(device, dstImageMemory);
|
||||
vkFreeMemory(device, dstImageMemory, nullptr);
|
||||
vkDestroyImage(device, dstImage, nullptr);
|
||||
}
|
||||
|
||||
vkQueueWaitIdle(queue);
|
||||
|
||||
#if DEBUG
|
||||
PFN_vkDestroyDebugReportCallbackEXT vkDestroyDebugReportCallback = reinterpret_cast<PFN_vkDestroyDebugReportCallbackEXT>(vkGetInstanceProcAddr(instance, "vkDestroyDebugReportCallbackEXT"));
|
||||
assert(vkDestroyDebugReportCallback);
|
||||
vkDestroyDebugReportCallback(instance, debugReportCallback, nullptr);
|
||||
#endif
|
||||
}
|
||||
|
||||
~VulkanExample()
|
||||
{
|
||||
vkDestroyBuffer(device, vertexBuffer, nullptr);
|
||||
vkFreeMemory(device, vertexMemory, nullptr);
|
||||
vkDestroyBuffer(device, indexBuffer, nullptr);
|
||||
vkFreeMemory(device, indexMemory, nullptr);
|
||||
|
||||
vkDestroyImageView(device, colorAttachment.view, nullptr);
|
||||
vkDestroyImage(device, colorAttachment.image, nullptr);
|
||||
vkFreeMemory(device, colorAttachment.memory, nullptr);
|
||||
vkDestroyImageView(device, depthAttachment.view, nullptr);
|
||||
vkDestroyImage(device, depthAttachment.image, nullptr);
|
||||
vkFreeMemory(device, depthAttachment.memory, nullptr);
|
||||
vkDestroyRenderPass(device, renderPass, nullptr);
|
||||
vkDestroyFramebuffer(device, framebuffer, nullptr);
|
||||
vkDestroyPipelineLayout(device, pipelineLayout, nullptr);
|
||||
vkDestroyDescriptorSetLayout(device, descriptorSetLayout, nullptr);
|
||||
vkDestroyPipeline(device, pipeline, nullptr);
|
||||
vkDestroyCommandPool(device, commandPool, nullptr);
|
||||
#if defined(VK_USE_PLATFORM_ANDROID_KHR)
|
||||
vks::android::freeVulkanLibrary();
|
||||
#endif
|
||||
}
|
||||
};
|
||||
|
||||
#if defined(VK_USE_PLATFORM_ANDROID_KHR)
|
||||
void handleAppCommand(android_app * app, int32_t cmd) {
|
||||
if (cmd == APP_CMD_INIT_WINDOW) {
|
||||
VulkanExample *vulkanExample = new VulkanExample();
|
||||
delete(vulkanExample);
|
||||
ANativeActivity_finish(app->activity);
|
||||
}
|
||||
}
|
||||
void android_main(android_app* state) {
|
||||
app_dummy();
|
||||
androidapp = state;
|
||||
androidapp->onAppCmd = handleAppCommand;
|
||||
int ident, events;
|
||||
struct android_poll_source* source;
|
||||
while ((ident = ALooper_pollAll(-1, NULL, &events, (void**)&source)) >= 0) {
|
||||
if (source != NULL) {
|
||||
source->process(androidapp, source);
|
||||
}
|
||||
if (androidapp->destroyRequested != 0) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
#else
|
||||
int main() {
|
||||
VulkanExample *vulkanExample = new VulkanExample();
|
||||
std::cout << "Finished. Press enter to terminate...";
|
||||
getchar();
|
||||
delete(vulkanExample);
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
Loading…
Add table
Add a link
Reference in a new issue