first release

openVulkanoCpp/Vulkan/FrameBuffer.cpp

@@ -0,0 +1,76 @@
+#include "FrameBuffer.hpp"
+#include "RenderPass.hpp"
+
+void openVulkanoCpp::Vulkan::FrameBuffer::Init(Device* device, vk::Extent3D size, bool useDepthBuffer)
+{
+	this->size = size;
+	this->device = device;
+	this->useDepthBuffer = useDepthBuffer;
+	colorFormat = FindColorFormat();
+	if (useDepthBuffer)
+	{
+		depthBufferFormat = FindDepthFormat();
+		CreateDepthStencil();
+	}
+}
+
+void openVulkanoCpp::Vulkan::FrameBuffer::InitRenderPass(RenderPass* renderPass)
+{
+	if (!device) throw std::
+		runtime_error("The frame buffer needs to be initialized before binding it to a render pass");
+	this->renderPass = renderPass;
+	CreateFrameBuffer();
+}
+
+void openVulkanoCpp::Vulkan::FrameBuffer::Resize(vk::Extent3D size)
+{
+	this->size = size;
+	DestroyFrameBuffer();
+	if (depthBuffer) depthBuffer.Close();
+	if (useDepthBuffer) CreateDepthStencil();
+	CreateFrameBuffer();
+	renderPass->UpdateBeginInfo();
+}
+
+void openVulkanoCpp::Vulkan::FrameBuffer::CreateDepthStencil()
+{
+	vk::ImageCreateInfo depthStencilCreateInfo({}, vk::ImageType::e2D, depthBufferFormat,
+	                                           size, 1, 1);
+	depthStencilCreateInfo.usage = vk::ImageUsageFlagBits::eDepthStencilAttachment | vk::ImageUsageFlagBits::
+		eTransferSrc;
+
+	const vk::ImageAspectFlags aspectMask = vk::ImageAspectFlagBits::eDepth | vk::ImageAspectFlagBits::eStencil;
+	const vk::ImageViewCreateInfo depthStencilViewCreateInfo({}, {}, vk::ImageViewType::e2D, depthBufferFormat,
+	                                                         {}, vk::ImageSubresourceRange(aspectMask, 0, 1, 0, 1));
+	depthBuffer.Init(device, depthStencilCreateInfo, depthStencilViewCreateInfo);
+
+	device->ExecuteNow([&](auto commandBuffer)
+	{
+		depthBuffer.SetLayout(commandBuffer, aspectMask, vk::ImageLayout::eDepthStencilAttachmentOptimal);
+	});
+}
+
+void openVulkanoCpp::Vulkan::FrameBuffer::CreateFrameBuffer()
+{
+	vk::ImageView attachments[2]; // First attachment is the color buffer, second (optional) the depth buffer
+	if (useDepthBuffer) attachments[1] = depthBuffer.view; //Depth buffer is the same for all frame buffers
+	const vk::FramebufferCreateInfo fbCreateInfo({}, renderPass->renderPass, useDepthBuffer ? 2 : 1, attachments, size.width,
+	                                             size.height, 1);
+
+	auto images = GetImages();
+	frameBuffers.resize(images.size());
+	for (uint32_t i = 0; i < frameBuffers.size(); i++)
+	{
+		attachments[0] = images[i]->GetView();
+		frameBuffers[i] = device->device.createFramebuffer(fbCreateInfo);
+	}
+}
+
+void openVulkanoCpp::Vulkan::FrameBuffer::DestroyFrameBuffer()
+{
+	for (const auto frameBuffer : frameBuffers)
+	{
+		device->device.destroyFramebuffer(frameBuffer);
+	}
+	frameBuffers.clear();
+}