using UnityEngine.Rendering; namespace UnityEngine.Experimental.Rendering.LightweightPipeline { public class CreateLightweightRenderTexturesPass : ScriptableRenderPass { const int k_DepthStencilBufferBits = 32; private RenderTargetHandle colorAttachmentHandle { get; set; } private RenderTargetHandle depthAttachmentHandle { get; set; } private RenderTextureDescriptor descriptor { get; set; } private SampleCount samples { get; set; } public void Setup( RenderTextureDescriptor baseDescriptor, RenderTargetHandle colorAttachmentHandle, RenderTargetHandle depthAttachmentHandle, SampleCount samples) { this.colorAttachmentHandle = colorAttachmentHandle; this.depthAttachmentHandle = depthAttachmentHandle; this.samples = samples; descriptor = baseDescriptor; } public override void Execute(ref ScriptableRenderContext context, ref CullResults cullResults, ref RenderingData renderingData) { CommandBuffer cmd = CommandBufferPool.Get(""); if (colorAttachmentHandle != RenderTargetHandle.CameraTarget) { var colorDescriptor = descriptor; colorDescriptor.depthBufferBits = k_DepthStencilBufferBits; // TODO: does the color RT always need depth? colorDescriptor.sRGB = true; colorDescriptor.msaaSamples = (int) samples; cmd.GetTemporaryRT(colorAttachmentHandle.id, colorDescriptor, FilterMode.Bilinear); } if (depthAttachmentHandle != RenderTargetHandle.CameraTarget) { var depthDescriptor = descriptor; depthDescriptor.colorFormat = RenderTextureFormat.Depth; depthDescriptor.depthBufferBits = k_DepthStencilBufferBits; depthDescriptor.msaaSamples = (int) samples; depthDescriptor.bindMS = (int) samples > 1; cmd.GetTemporaryRT(depthAttachmentHandle.id, depthDescriptor, FilterMode.Point); } context.ExecuteCommandBuffer(cmd); CommandBufferPool.Release(cmd); } public override void FrameCleanup(CommandBuffer cmd) { if (colorAttachmentHandle != RenderTargetHandle.CameraTarget) { cmd.ReleaseTemporaryRT(colorAttachmentHandle.id); colorAttachmentHandle = RenderTargetHandle.CameraTarget; } if (depthAttachmentHandle != RenderTargetHandle.CameraTarget) { cmd.ReleaseTemporaryRT(depthAttachmentHandle.id); depthAttachmentHandle = RenderTargetHandle.CameraTarget; } } } }