77 lines
2.6 KiB
C++
77 lines
2.6 KiB
C++
#include "FrameBuffer.hpp"
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#include "RenderPass.hpp"
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void openVulkanoCpp::Vulkan::FrameBuffer::Init(Device* device, vk::Extent3D size, bool useDepthBuffer)
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{
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this->size = size;
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this->device = device;
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this->useDepthBuffer = useDepthBuffer;
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colorFormat = FindColorFormat();
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if (useDepthBuffer)
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{
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depthBufferFormat = FindDepthFormat();
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CreateDepthStencil();
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}
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}
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void openVulkanoCpp::Vulkan::FrameBuffer::InitRenderPass(RenderPass* renderPass)
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{
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if (!device) throw std::
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runtime_error("The frame buffer needs to be initialized before binding it to a render pass");
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this->renderPass = renderPass;
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CreateFrameBuffer();
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}
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void openVulkanoCpp::Vulkan::FrameBuffer::Resize(vk::Extent3D size)
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{
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this->size = size;
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DestroyFrameBuffer();
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if (depthBuffer) depthBuffer.Close();
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if (useDepthBuffer) CreateDepthStencil();
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CreateFrameBuffer();
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renderPass->UpdateBeginInfo();
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}
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void openVulkanoCpp::Vulkan::FrameBuffer::CreateDepthStencil()
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{
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vk::ImageCreateInfo depthStencilCreateInfo({}, vk::ImageType::e2D, depthBufferFormat,
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size, 1, 1);
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depthStencilCreateInfo.usage = vk::ImageUsageFlagBits::eDepthStencilAttachment | vk::ImageUsageFlagBits::
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eTransferSrc;
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const vk::ImageAspectFlags aspectMask = vk::ImageAspectFlagBits::eDepth | vk::ImageAspectFlagBits::eStencil;
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const vk::ImageViewCreateInfo depthStencilViewCreateInfo({}, {}, vk::ImageViewType::e2D, depthBufferFormat,
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{}, vk::ImageSubresourceRange(aspectMask, 0, 1, 0, 1));
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depthBuffer.Init(device, depthStencilCreateInfo, depthStencilViewCreateInfo);
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device->ExecuteNow([&](auto commandBuffer)
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{
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depthBuffer.SetLayout(commandBuffer, aspectMask, vk::ImageLayout::eDepthStencilAttachmentOptimal);
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});
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}
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void openVulkanoCpp::Vulkan::FrameBuffer::CreateFrameBuffer()
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{
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vk::ImageView attachments[2]; // First attachment is the color buffer, second (optional) the depth buffer
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if (useDepthBuffer) attachments[1] = depthBuffer.view; //Depth buffer is the same for all frame buffers
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const vk::FramebufferCreateInfo fbCreateInfo({}, renderPass->renderPass, useDepthBuffer ? 2 : 1, attachments, size.width,
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size.height, 1);
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auto images = GetImages();
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frameBuffers.resize(images.size());
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for (uint32_t i = 0; i < frameBuffers.size(); i++)
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{
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attachments[0] = images[i]->GetView();
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frameBuffers[i] = device->device.createFramebuffer(fbCreateInfo);
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}
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}
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void openVulkanoCpp::Vulkan::FrameBuffer::DestroyFrameBuffer()
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{
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for (const auto frameBuffer : frameBuffers)
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{
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device->device.destroyFramebuffer(frameBuffer);
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}
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frameBuffers.clear();
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}
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