66 lines
2.4 KiB
C++
66 lines
2.4 KiB
C++
#include "HelloTriangleApplication.h"
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void HelloTriangleApplication::createCommandPool()
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{
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QueueFamilyIndices queueFamilyIndices = findQueueFamilies(physicalDevice);
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VkCommandPoolCreateInfo poolInfo{};
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poolInfo.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
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poolInfo.queueFamilyIndex = queueFamilyIndices.graphicsFamily.value();
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if (vkCreateCommandPool(device, &poolInfo, nullptr, &commandPool) != VK_SUCCESS)
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{
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throw std::runtime_error("failed to create graphics command pool!");
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}
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}
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void HelloTriangleApplication::createCommandBuffers()
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{
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commandBuffers.resize(swapChainFramebuffers.size());
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VkCommandBufferAllocateInfo allocInfo{};
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allocInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
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allocInfo.commandPool = commandPool;
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allocInfo.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
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allocInfo.commandBufferCount = (uint32_t)commandBuffers.size();
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if (vkAllocateCommandBuffers(device, &allocInfo, commandBuffers.data()) != VK_SUCCESS)
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{
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throw std::runtime_error("failed to allocate command buffers!");
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}
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for (size_t i = 0; i < commandBuffers.size(); i++)
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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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if (vkBeginCommandBuffer(commandBuffers[i], &beginInfo) != VK_SUCCESS)
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{
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throw std::runtime_error("failed to begin recording command buffer!");
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}
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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[i];
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renderPassInfo.renderArea.offset = {0, 0};
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renderPassInfo.renderArea.extent = swapChainExtent;
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VkClearValue clearColor = {{{0.0f, 0.0f, 0.0f, 1.0f}}};
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renderPassInfo.clearValueCount = 1;
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renderPassInfo.pClearValues = &clearColor;
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vkCmdBeginRenderPass(commandBuffers[i], &renderPassInfo, VK_SUBPASS_CONTENTS_INLINE);
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vkCmdBindPipeline(commandBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, graphicsPipeline);
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vkCmdDraw(commandBuffers[i], 3, 1, 0, 0);
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vkCmdEndRenderPass(commandBuffers[i]);
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if (vkEndCommandBuffer(commandBuffers[i]) != VK_SUCCESS)
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{
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throw std::runtime_error("failed to record command buffer!");
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}
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}
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} |