92 lines
3.6 KiB
C#
92 lines
3.6 KiB
C#
#if ENABLE_VR && ENABLE_XR_MODULE
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using System;
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using UnityEngine.Rendering.RenderGraphModule;
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using UnityEngine.Experimental.Rendering;
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namespace UnityEngine.Rendering.Universal
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{
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/// <summary>
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/// Draw the XR occlusion mesh into the current depth buffer when XR is enabled.
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/// </summary>
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public class XROcclusionMeshPass : ScriptableRenderPass
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{
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PassData m_PassData;
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/// <summary>
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/// Used to indicate if the active target of the pass is the back buffer
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/// </summary>
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public bool m_IsActiveTargetBackBuffer; // TODO: Remove this when we remove non-RG path
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public XROcclusionMeshPass(RenderPassEvent evt)
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{
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profilingSampler = new ProfilingSampler("Draw XR Occlusion Mesh");
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renderPassEvent = evt;
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m_PassData = new PassData();
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m_IsActiveTargetBackBuffer = false;
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}
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private static void ExecutePass(RasterCommandBuffer cmd, PassData data)
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{
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if (data.xr.hasValidOcclusionMesh)
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{
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if (data.isActiveTargetBackBuffer)
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cmd.SetViewport(data.xr.GetViewport());
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data.xr.RenderOcclusionMesh(cmd, renderIntoTexture: !data.isActiveTargetBackBuffer);
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}
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}
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/// <inheritdoc/>
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[Obsolete(DeprecationMessage.CompatibilityScriptingAPIObsolete, false)]
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public override void Execute(ScriptableRenderContext context, ref RenderingData renderingData)
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{
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m_PassData.xr = renderingData.cameraData.xr;
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m_PassData.isActiveTargetBackBuffer = m_IsActiveTargetBackBuffer;
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ExecutePass(CommandBufferHelpers.GetRasterCommandBuffer(renderingData.commandBuffer), m_PassData);
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}
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private class PassData
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{
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internal XRPass xr;
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internal TextureHandle cameraColorAttachment;
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internal TextureHandle cameraDepthAttachment;
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internal bool isActiveTargetBackBuffer;
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}
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internal void Render(RenderGraph renderGraph, ContextContainer frameData, in TextureHandle cameraColorAttachment, in TextureHandle cameraDepthAttachment)
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{
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UniversalCameraData cameraData = frameData.Get<UniversalCameraData>();
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UniversalResourceData resourceData = frameData.Get<UniversalResourceData>();
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using (var builder = renderGraph.AddRasterRenderPass<PassData>(passName, out var passData, profilingSampler))
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{
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passData.xr = cameraData.xr;
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passData.cameraColorAttachment = cameraColorAttachment;
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builder.SetRenderAttachment(cameraColorAttachment, 0);
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passData.cameraDepthAttachment = cameraDepthAttachment;
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builder.SetRenderAttachmentDepth(cameraDepthAttachment, AccessFlags.Write);
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passData.isActiveTargetBackBuffer = resourceData.isActiveTargetBackBuffer;
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// TODO RENDERGRAPH: culling? force culling off for testing
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builder.AllowPassCulling(false);
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builder.AllowGlobalStateModification(true);
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if (cameraData.xr.enabled)
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{
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bool passSupportsFoveation = cameraData.xrUniversal.canFoveateIntermediatePasses || resourceData.isActiveTargetBackBuffer;
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builder.EnableFoveatedRasterization(cameraData.xr.supportsFoveatedRendering && passSupportsFoveation);
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}
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builder.SetRenderFunc((PassData data, RasterGraphContext context) =>
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{
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ExecutePass(context.cmd, data);
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});
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return;
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}
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}
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}
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}
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#endif
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