84 lines
3.1 KiB
C#
84 lines
3.1 KiB
C#
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#if ENABLE_VR && ENABLE_XR_MODULE
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using UnityEngine.Experimental.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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base.profilingSampler = new ProfilingSampler(nameof(XROcclusionMeshPass));
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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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base.profilingSampler = new ProfilingSampler("XR Occlusion Pass");
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}
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private static void ExecutePass(ScriptableRenderContext context, PassData data)
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{
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var cmd = data.renderingData.commandBuffer;
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if (data.renderingData.cameraData.xr.hasValidOcclusionMesh)
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{
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if (data.isActiveTargetBackBuffer)
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cmd.SetViewport(data.renderingData.cameraData.xr.GetViewport());
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data.renderingData.cameraData.xr.RenderOcclusionMesh(cmd);
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context.ExecuteCommandBuffer(cmd);
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cmd.Clear();
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}
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}
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/// <inheritdoc/>
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public override void Execute(ScriptableRenderContext context, ref RenderingData renderingData)
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{
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m_PassData.renderingData = renderingData;
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m_PassData.isActiveTargetBackBuffer = m_IsActiveTargetBackBuffer;
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ExecutePass(context, m_PassData);
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}
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private class PassData
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{
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internal RenderingData renderingData;
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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, in TextureHandle cameraColorAttachment, in TextureHandle cameraDepthAttachment, ref RenderingData renderingData)
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{
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using (var builder = renderGraph.AddRenderPass<PassData>("XR Occlusion Pass", out var passData, base.profilingSampler))
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{
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passData.renderingData = renderingData;
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passData.cameraColorAttachment = builder.UseColorBuffer(cameraColorAttachment, 0);
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passData.cameraDepthAttachment = builder.UseDepthBuffer(cameraDepthAttachment, DepthAccess.Write);
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passData.isActiveTargetBackBuffer = m_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.SetRenderFunc((PassData data, RenderGraphContext context) =>
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{
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ExecutePass(context.renderContext, 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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