消除了所有的警告
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+3
-3
@@ -1,4 +1,4 @@
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cmake_minimum_required(VERSION 3.22.1)
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cmake_minimum_required(VERSION 3.22.1)
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project("sample")
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@@ -16,7 +16,7 @@ if(CMAKE_SYSTEM_NAME STREQUAL "Android")
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add_library(sample SHARED
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app/src/main/cpp/main.cpp
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app/src/main/cpp/AndroidOut.cpp
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vulkan/Application.h
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vulkan/AppBase.cpp
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vulkan/Application.cpp
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)
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@@ -53,7 +53,7 @@ if(CMAKE_SYSTEM_NAME STREQUAL "Windows" OR WIN32)
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# 将源代码添加到此项目的可执行文件。
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add_executable (sample
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"vulkan/main.cpp"
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"vulkan/Application.h"
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"vulkan/AppBase.cpp"
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"vulkan/Application.cpp"
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)
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endif()
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@@ -13,6 +13,10 @@ android {
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versionCode 1
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versionName "1.0"
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ndk {
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abiFilters 'arm64-v8a'
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}
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testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
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}
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+65
-31
@@ -433,7 +433,6 @@ void Application::createCommandPool() {
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void Application::createCommandBuffer()
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{
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int MAX_FRAMES_IN_FLIGHT = swapChainImages.size();
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commandBuffers.resize(MAX_FRAMES_IN_FLIGHT);
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VkCommandBufferAllocateInfo allocInfo{};
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allocInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
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@@ -448,10 +447,12 @@ void Application::createCommandBuffer()
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void Application::createSyncObjects()
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{
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int MAX_FRAMES_IN_FLIGHT = swapChainImages.size();
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imageAvailableSemaphores.resize(MAX_FRAMES_IN_FLIGHT);
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renderFinishedSemaphores.resize(MAX_FRAMES_IN_FLIGHT);
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int swapChainImageCount = swapChainImages.size();
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imageAvailableSemaphores.resize(swapChainImageCount);
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renderFinishedSemaphores.resize(swapChainImageCount);
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inFlightFences.resize(MAX_FRAMES_IN_FLIGHT);
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imagesInFlight.resize(swapChainImageCount, VK_NULL_HANDLE);
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VkSemaphoreCreateInfo semaphoreInfo{};
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semaphoreInfo.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO;
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@@ -460,18 +461,28 @@ void Application::createSyncObjects()
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fenceInfo.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO;
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fenceInfo.flags = VK_FENCE_CREATE_SIGNALED_BIT;
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for (size_t i = 0; i < MAX_FRAMES_IN_FLIGHT; i++) {
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// 为每个交换链图像创建信号量
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for (size_t i = 0; i < swapChainImageCount; i++) {
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if (vkCreateSemaphore(device, &semaphoreInfo, nullptr, &imageAvailableSemaphores[i]) != VK_SUCCESS ||
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vkCreateSemaphore(device, &semaphoreInfo, nullptr, &renderFinishedSemaphores[i]) != VK_SUCCESS ||
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vkCreateFence(device, &fenceInfo, nullptr, &inFlightFences[i]) != VK_SUCCESS) {
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vkCreateSemaphore(device, &semaphoreInfo, nullptr, &renderFinishedSemaphores[i]) != VK_SUCCESS) {
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throw std::runtime_error("failed to create synchronization objects!");
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}
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}
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// 为每个帧在飞行创建栅栏
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for (size_t i = 0; i < MAX_FRAMES_IN_FLIGHT; i++) {
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if (vkCreateFence(device, &fenceInfo, nullptr, &inFlightFences[i]) != VK_SUCCESS) {
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throw std::runtime_error("failed to create synchronization objects!");
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}
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}
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}
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void Application::recordCommandBuffer(VkCommandBuffer commandBuffer, uint32_t imageIndex) {
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void Application::recordCommandBuffer(VkCommandBuffer commandBuffer, uint32_t imageIndex)
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{
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VkCommandBufferBeginInfo beginInfo{};
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beginInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
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beginInfo.flags = 0; // 可选标志
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beginInfo.pInheritanceInfo = nullptr; // 仅用于次级命令缓冲区
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if (vkBeginCommandBuffer(commandBuffer, &beginInfo) != VK_SUCCESS) {
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throw std::runtime_error("failed to begin recording command buffer!");
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@@ -481,7 +492,7 @@ void Application::recordCommandBuffer(VkCommandBuffer commandBuffer, uint32_t im
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VkRenderPassBeginInfo renderPassInfo{};
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renderPassInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
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renderPassInfo.renderPass = renderPass;
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renderPassInfo.framebuffer = swapChainFramebuffers[imageIndex];
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renderPassInfo.framebuffer = swapChainFramebuffers[imageIndex]; // 使用正确的imageIndex
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renderPassInfo.renderArea.offset = { 0, 0 };
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renderPassInfo.renderArea.extent = swapChainExtent;
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@@ -506,18 +517,38 @@ void Application::recordCommandBuffer(VkCommandBuffer commandBuffer, uint32_t im
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}
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void Application::drawFrame() {
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// 1. 等待前一帧完成
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vkWaitForFences(device, 1, &inFlightFences[currentFrame], VK_TRUE, UINT64_MAX);
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// 2. 获取交换链图像 - 使用当前帧的信号量
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uint32_t imageIndex;
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VkResult result = vkAcquireNextImageKHR(device, swapChain, UINT64_MAX,
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imageAvailableSemaphores[currentFrame],
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VK_NULL_HANDLE, &imageIndex);
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if (result != VK_SUCCESS) {
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throw std::runtime_error("failed to acquire swap chain image!");
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}
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// 3. 检查该图像是否正在被之前的帧使用
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if (imagesInFlight[imageIndex] != VK_NULL_HANDLE) {
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vkWaitForFences(device, 1, &imagesInFlight[imageIndex], VK_TRUE, UINT64_MAX);
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}
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// 标记该图像正在被当前帧使用
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imagesInFlight[imageIndex] = inFlightFences[currentFrame];
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// 4. 重置栅栏
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vkResetFences(device, 1, &inFlightFences[currentFrame]);
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uint32_t imageIndex;
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vkAcquireNextImageKHR(device, swapChain, UINT64_MAX, imageAvailableSemaphores[currentFrame], VK_NULL_HANDLE, &imageIndex);
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// 5. 记录命令缓冲区
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vkResetCommandBuffer(commandBuffers[currentFrame], 0);
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recordCommandBuffer(commandBuffers[currentFrame], currentFrame);
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recordCommandBuffer(commandBuffers[currentFrame], imageIndex);
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// 6. 提交命令缓冲区
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VkSubmitInfo submitInfo{};
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submitInfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
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// 等待图像获取完成
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VkSemaphore waitSemaphores[] = { imageAvailableSemaphores[currentFrame] };
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VkPipelineStageFlags waitStages[] = { VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT };
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submitInfo.waitSemaphoreCount = 1;
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@@ -527,7 +558,8 @@ void Application::drawFrame() {
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submitInfo.commandBufferCount = 1;
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submitInfo.pCommandBuffers = &commandBuffers[currentFrame];
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VkSemaphore signalSemaphores[] = { renderFinishedSemaphores[currentFrame] };
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// 使用对应图像的渲染完成信号量
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VkSemaphore signalSemaphores[] = { renderFinishedSemaphores[imageIndex] };
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submitInfo.signalSemaphoreCount = 1;
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submitInfo.pSignalSemaphores = signalSemaphores;
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@@ -535,18 +567,24 @@ void Application::drawFrame() {
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throw std::runtime_error("failed to submit draw command buffer!");
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}
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// 7. 呈现图像
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VkPresentInfoKHR presentInfo{};
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presentInfo.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR;
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presentInfo.waitSemaphoreCount = 1;
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presentInfo.pWaitSemaphores = signalSemaphores;
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presentInfo.pWaitSemaphores = signalSemaphores; // 等待对应图像的渲染完成信号量
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VkSwapchainKHR swapChains[] = { swapChain };
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presentInfo.swapchainCount = 1;
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presentInfo.pSwapchains = swapChains;
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presentInfo.pImageIndices = &imageIndex;
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vkQueuePresentKHR(presentQueue, &presentInfo);
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int MAX_FRAMES_IN_FLIGHT = swapChainImages.size();
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result = vkQueuePresentKHR(presentQueue, &presentInfo);
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if (result != VK_SUCCESS) {
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throw std::runtime_error("failed to present swap chain image!");
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}
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// 8. 前进到下一帧
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currentFrame = (currentFrame + 1) % MAX_FRAMES_IN_FLIGHT;
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}
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@@ -563,23 +601,19 @@ void Application::cleanup() {
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}
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// 等待设备空闲,确保所有命令都完成
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vkDeviceWaitIdle(device);
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int MAX_FRAMES_IN_FLIGHT = swapChainImages.size();
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for (int i = 0; i < MAX_FRAMES_IN_FLIGHT; ++i)
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{
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// 销毁命令缓冲区
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vkFreeCommandBuffers(device, commandPool, 1, &commandBuffers[i]);
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// 销毁同步对象
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vkDestroySemaphore(device, imageAvailableSemaphores[0], nullptr);
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vkDestroySemaphore(device, renderFinishedSemaphores[0], nullptr);
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vkDestroyFence(device, inFlightFences[0], nullptr);
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// 正确销毁所有同步对象
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for (size_t i = 0; i < MAX_FRAMES_IN_FLIGHT; i++) {
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vkDestroySemaphore(device, imageAvailableSemaphores[i], nullptr);
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vkDestroySemaphore(device, renderFinishedSemaphores[i], nullptr);
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vkDestroyFence(device, inFlightFences[i], nullptr);
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}
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// 销毁帧缓冲区
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for (auto framebuffer : swapChainFramebuffers) {
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vkDestroyFramebuffer(device, framebuffer, nullptr);
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}
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// 不需要手动释放commandBuffers,销毁命令池时会自动释放
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// 销毁命令池
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vkDestroyCommandPool(device, commandPool, nullptr);
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// 销毁图形管线
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vkDestroyPipeline(device, graphicsPipeline, nullptr);
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@@ -47,10 +47,12 @@ private:
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std::vector<VkFramebuffer> swapChainFramebuffers; // 帧缓冲区
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VkQueue presentQueue; // 呈现队列
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VkCommandPool commandPool; // 命令池
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std::vector <VkCommandBuffer> commandBuffers; // 命令缓冲区
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std::vector<VkSemaphore> imageAvailableSemaphores; // 图像可用信号量
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std::vector<VkSemaphore> renderFinishedSemaphores; // 渲染完成信号量
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std::vector<VkFence> inFlightFences; // 同步栅栏
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VkCommandPool commandPool;
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std::vector<VkCommandBuffer> commandBuffers;
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std::vector<VkSemaphore> imageAvailableSemaphores; // 每个交换链图像一个
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std::vector<VkSemaphore> renderFinishedSemaphores; // 每个交换链图像一个
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std::vector<VkFence> inFlightFences; // 每个帧在飞行一个
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std::vector<VkFence> imagesInFlight; // 跟踪每个图像的使用状态
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int currentFrame = 0;
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int MAX_FRAMES_IN_FLIGHT = 2;
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};
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