Renderer/Framebuffer: Add GetType (and rework backend internals)

src/Nazara/VulkanRenderer/VulkanTextureFramebuffer.cpp

@@ -0,0 +1,44 @@
+// Copyright (C) 2020 Jérôme Leclercq
+// This file is part of the "Nazara Engine - Vulkan Renderer"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#include <Nazara/VulkanRenderer/VulkanTextureFramebuffer.hpp>
+#include <Nazara/Core/StackArray.hpp>
+#include <Nazara/VulkanRenderer/VulkanRenderPass.hpp>
+#include <Nazara/VulkanRenderer/VulkanTexture.hpp>
+#include <stdexcept>
+#include <Nazara/VulkanRenderer/Debug.hpp>
+
+namespace Nz
+{
+	VulkanTextureFramebuffer::VulkanTextureFramebuffer(Vk::Device& device, unsigned int width, unsigned int height, const std::shared_ptr<RenderPass>& renderPass, const std::vector<std::shared_ptr<Texture>>& attachments) :
+	VulkanFramebuffer(FramebufferType::Texture)
+	{
+		assert(renderPass);
+		const VulkanRenderPass& vkRenderPass = static_cast<const VulkanRenderPass&>(*renderPass);
+
+		StackArray<VkImageView> imageViews = NazaraStackArrayNoInit(VkImageView, attachments.size());
+		for (std::size_t i = 0; i < attachments.size(); ++i)
+		{
+			assert(attachments[i]);
+
+			const VulkanTexture& vkTexture = static_cast<const VulkanTexture&>(*attachments[i]);
+			imageViews[i] = vkTexture.GetImageView();
+		}
+
+		VkFramebufferCreateInfo createInfo = {
+			VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO,
+			nullptr,
+			0,
+			vkRenderPass.GetRenderPass(),
+			UInt32(imageViews.size()),
+			imageViews.data(),
+			UInt32(width),
+			UInt32(height),
+			1
+		};
+
+		if (!m_framebuffer.Create(device, createInfo))
+			throw std::runtime_error("failed to instantiate Vulkan framebuffer: " + TranslateVulkanError(m_framebuffer.GetLastErrorCode()));
+	}
+}