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@ -18,6 +18,7 @@ void Vulkan::init(GLFWwindow* window)
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createLogicalDevice(deviceExtensions); // Создание физического устройства
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createSwapchain(window); // Создание списка показа
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createRenderpass(); // Создание проходов рендера
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createFramebuffers(); // Создание буферов кадра
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createGraphicPipeline(); // Создание графического конвейера
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createCommandPool(); // Создание пула команд
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createVertexBuffer(); // Создание буфера вершин
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@ -46,6 +47,12 @@ void Vulkan::destroy()
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vkDestroyCommandPool(logicalDevice, commandPool, nullptr); // Уничтожение командного пула
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// Уничтожение буферов кадра
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for (auto framebuffer : swapChainFramebuffers)
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{
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vkDestroyFramebuffer(logicalDevice, framebuffer, nullptr);
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}
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vkDestroyPipeline(logicalDevice, graphicsPipeline, nullptr); // Уничтожение графического конвейера
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vkDestroyPipelineLayout(logicalDevice, pipelineLayout, nullptr); // Уничтожение раскладки графического конвейера
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vkDestroyRenderPass(logicalDevice, renderPass, nullptr); // Уничтожение проходов рендера
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@ -957,3 +964,118 @@ void Vulkan::createSyncObjects()
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}
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}
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// Создание буферов кадра
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void Vulkan::createFramebuffers()
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{
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// Зададим размер массива в соответствии с количеством изображений
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swapChainFramebuffers.resize(swapChainImageViews.size());
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// Для каждого изображения из списка показа
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for (int i = 0; i < swapChainImageViews.size(); i++)
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{
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// Изображения используемые в буфере кадра
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VkImageView attachments[] = { swapChainImageViews[i] };
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// Заполним данные о создаваемом буфере кадра
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VkFramebufferCreateInfo framebufferInfo{};
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framebufferInfo.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
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framebufferInfo.renderPass = renderPass;
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framebufferInfo.attachmentCount = 1;
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framebufferInfo.pAttachments = attachments;
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framebufferInfo.width = surface.selectedExtent.width;
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framebufferInfo.height = surface.selectedExtent.height;
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framebufferInfo.layers = 1;
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// Создание буфера кадра
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if (vkCreateFramebuffer(logicalDevice, &framebufferInfo, nullptr, &swapChainFramebuffers[i]) != VK_SUCCESS)
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{
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throw std::runtime_error("Unable to create framebuffer");
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}
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}
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}
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// Рендер кадра
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void Vulkan::renderFrame()
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{
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vkWaitForFences(logicalDevice, 1, &inWorkFences[currentFrame], VK_TRUE, UINT64_MAX);
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vkResetFences(logicalDevice, 1, &inWorkFences[currentFrame]);
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uint32_t imageIndex;
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VkResult result = vkAcquireNextImageKHR(logicalDevice, swapChain, UINT64_MAX, imageAvailableSemaphores[currentFrame], VK_NULL_HANDLE, &imageIndex);
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if (result != VK_SUCCESS)
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{
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throw std::runtime_error("Unable to acquire swap chain image");
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}
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vkResetCommandBuffer(commandBuffers[currentFrame], 0);
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VkCommandBufferBeginInfo beginInfo{};
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beginInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
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if (vkBeginCommandBuffer(commandBuffers[currentFrame], &beginInfo) != VK_SUCCESS)
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{
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throw std::runtime_error("Unable to begin recording command buffer");
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}
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VkClearValue clearColor = {0.0f, 0.0f, 0.0f, 1.0f};
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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.renderArea.offset = {0, 0};
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renderPassInfo.renderArea.extent = surface.selectedExtent;
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renderPassInfo.clearValueCount = 1;
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renderPassInfo.pClearValues = &clearColor;
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vkCmdBeginRenderPass(commandBuffers[currentFrame], &renderPassInfo, VK_SUBPASS_CONTENTS_INLINE);
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vkCmdBindPipeline(commandBuffers[currentFrame], VK_PIPELINE_BIND_POINT_GRAPHICS, graphicsPipeline);
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VkBuffer vertexBuffers[] = {vertexBuffer};
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VkDeviceSize offsets[] = {0};
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vkCmdBindVertexBuffers(commandBuffers[currentFrame], 0, 1, vertexBuffers, offsets);
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vkCmdBindIndexBuffer(commandBuffers[currentFrame], indexBuffer, 0, VK_INDEX_TYPE_UINT16);
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vkCmdDrawIndexed(commandBuffers[currentFrame], 6, 1, 0, 0, 0);
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vkCmdEndRenderPass(commandBuffers[currentFrame]);
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if (vkEndCommandBuffer(commandBuffers[currentFrame]) != VK_SUCCESS)
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{
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throw std::runtime_error("Unable to record command buffer");
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}
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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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VkSemaphore signalSemaphores[] = {renderFinishedSemaphores[currentFrame]};
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VkSubmitInfo submitInfo{};
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submitInfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
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submitInfo.waitSemaphoreCount = 1;
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submitInfo.pWaitSemaphores = waitSemaphores;
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submitInfo.pWaitDstStageMask = waitStages;
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submitInfo.commandBufferCount = 1;
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submitInfo.pCommandBuffers = &commandBuffers[currentFrame];
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submitInfo.signalSemaphoreCount = 1;
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submitInfo.pSignalSemaphores = signalSemaphores;
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if (vkQueueSubmit(queue.descriptor, 1, &submitInfo, inWorkFences[currentFrame]) != VK_SUCCESS)
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{
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throw std::runtime_error("Unable to submit draw command buffer");
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}
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currentFrame = (currentFrame + 1) % surface.imageCount;
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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.swapchainCount = 1;
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presentInfo.pSwapchains = &swapChain;
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presentInfo.pImageIndices = &imageIndex;
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if (vkQueuePresentKHR(queue.descriptor, &presentInfo) != VK_SUCCESS)
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{
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throw std::runtime_error("Unable to present swap chain image");
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}
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}
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