77 lines
3.0 KiB
C#
77 lines
3.0 KiB
C#
#if ENABLE_VR && ENABLE_XR_MODULE
|
|
using System;
|
|
using UnityEngine.Rendering.RenderGraphModule;
|
|
using UnityEngine.Experimental.Rendering;
|
|
|
|
namespace UnityEngine.Rendering.Universal
|
|
{
|
|
/// <summary>
|
|
/// Draw the XR occlusion mesh into the current depth buffer when XR is enabled.
|
|
/// </summary>
|
|
public partial class XROcclusionMeshPass : ScriptableRenderPass
|
|
{
|
|
public XROcclusionMeshPass(RenderPassEvent evt)
|
|
{
|
|
profilingSampler = new ProfilingSampler("Draw XR Occlusion Mesh");
|
|
renderPassEvent = evt;
|
|
}
|
|
|
|
private static void ExecutePass(RasterCommandBuffer cmd, PassData data)
|
|
{
|
|
if (data.xr.hasValidOcclusionMesh)
|
|
{
|
|
if (data.isActiveTargetBackBuffer)
|
|
cmd.SetViewport(data.xr.GetViewport());
|
|
|
|
data.xr.RenderOcclusionMesh(cmd, renderIntoTexture: data.shouldYFlip);
|
|
}
|
|
}
|
|
|
|
private class PassData
|
|
{
|
|
internal XRPass xr;
|
|
internal bool isActiveTargetBackBuffer;
|
|
internal bool shouldYFlip;
|
|
internal TextureHandle cameraColorAttachment;
|
|
}
|
|
|
|
internal void Render(RenderGraph renderGraph, ContextContainer frameData, in TextureHandle cameraColorAttachment, in TextureHandle cameraDepthAttachment)
|
|
{
|
|
UniversalCameraData cameraData = frameData.Get<UniversalCameraData>();
|
|
UniversalResourceData resourceData = frameData.Get<UniversalResourceData>();
|
|
|
|
using (var builder = renderGraph.AddRasterRenderPass<PassData>(passName, out var passData, profilingSampler))
|
|
{
|
|
passData.xr = cameraData.xr;
|
|
passData.cameraColorAttachment = cameraColorAttachment;
|
|
builder.SetRenderAttachment(cameraColorAttachment, 0);
|
|
builder.SetRenderAttachmentDepth(cameraDepthAttachment, AccessFlags.ReadWrite);
|
|
|
|
passData.isActiveTargetBackBuffer = resourceData.isActiveTargetBackBuffer;
|
|
|
|
builder.AllowGlobalStateModification(true);
|
|
if (cameraData.xr.enabled)
|
|
{
|
|
bool passSupportsFoveation = cameraData.xrUniversal.canFoveateIntermediatePasses || resourceData.isActiveTargetBackBuffer;
|
|
builder.EnableFoveatedRasterization(cameraData.xr.supportsFoveatedRendering && passSupportsFoveation);
|
|
// Multiview render regions are incompatible with the inner (foveal) pass in Quad View
|
|
if (!cameraData.xr.isQuadViewInnerPass)
|
|
{
|
|
builder.SetExtendedFeatureFlags(ExtendedFeatureFlags.MultiviewRenderRegionsCompatible);
|
|
}
|
|
}
|
|
|
|
builder.SetRenderFunc((PassData data, RasterGraphContext context) =>
|
|
{
|
|
passData.shouldYFlip = RenderingUtils.IsHandleYFlipped(context, in data.cameraColorAttachment);
|
|
ExecutePass(context.cmd, data);
|
|
});
|
|
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif
|