85 lines
3.9 KiB
C#
85 lines
3.9 KiB
C#
#if XR_COMPOSITION_LAYERS
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using System.Collections.Generic;
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using Unity.XR.CompositionLayers;
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using Unity.XR.CompositionLayers.Extensions;
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using Unity.XR.CompositionLayers.Layers;
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using Unity.XR.CompositionLayers.Services;
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using UnityEngine;
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namespace Unity.XR.PXR
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{
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internal class PXR_CubeLayer : PXR_CustomLayerHandler<XrCompositionLayerCubeKHR>
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{
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protected override unsafe bool CreateSwapchain(CompositionLayerManager.LayerInfo layerInfo, out SwapchainCreateInfo swapchainCreateInfo)
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{
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TexturesExtension texture = layerInfo.Layer.GetComponent<TexturesExtension>();
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if (texture == null || texture.enabled == false || texture.LeftTexture == null)
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{
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swapchainCreateInfo = default;
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return false;
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}
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swapchainCreateInfo = new XrSwapchainCreateInfo()
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{
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Type = (uint)XrStructureType.XR_TYPE_SWAPCHAIN_CREATE_INFO,
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Next = PXR_LayerUtility.GetExtensionsChain(layerInfo, CompositionLayerExtension.ExtensionTarget.Swapchain),
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CreateFlags = 0,
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UsageFlags = (ulong)(XrSwapchainUsageFlags.XR_SWAPCHAIN_USAGE_SAMPLED_BIT | XrSwapchainUsageFlags.XR_SWAPCHAIN_USAGE_COLOR_ATTACHMENT_BIT),
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Format = PXR_LayerUtility.GetDefaultColorFormat(),
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SampleCount = 1,
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Width = (uint)(texture.LeftTexture.width),
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Height = (uint)(texture.LeftTexture.height),
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FaceCount = 6,
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ArraySize = 1,
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MipCount = (uint)texture.LeftTexture.mipmapCount,
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};
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return true;
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}
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protected override unsafe bool CreateNativeLayer(CompositionLayerManager.LayerInfo layerInfo, SwapchainCreatedOutput swapchainOutput, out XrCompositionLayerCubeKHR nativeLayer)
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{
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var data = layerInfo.Layer.LayerData as CubeProjectionLayerData;
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var transform = layerInfo.Layer.GetComponent<Transform>();
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nativeLayer = new XrCompositionLayerCubeKHR()
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{
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Type = (uint)XrStructureType.XR_TYPE_COMPOSITION_LAYER_CUBE_KHR,
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Next = PXR_LayerUtility.GetExtensionsChain(layerInfo, CompositionLayerExtension.ExtensionTarget.Layer),
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LayerFlags = data.BlendType == BlendType.Premultiply ? XrCompositionLayerFlags.SourceAlpha : XrCompositionLayerFlags.SourceAlpha | XrCompositionLayerFlags.UnPremultipliedAlpha,
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Space = PXR_LayerUtility.GetCurrentAppSpace(),
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EyeVisibility = 0,
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Swapchain = swapchainOutput.handle,
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ImageArrayIndex = 0,
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Orientation = new XrQuaternionf(PXR_Utility.ComputePoseToWorldSpace(transform, CompositionLayerManager.mainCameraCache).rotation)
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};
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return true;
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}
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protected override bool ModifyNativeLayer(CompositionLayerManager.LayerInfo layerInfo, ref XrCompositionLayerCubeKHR nativeLayer)
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{
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var texturesExtension = layerInfo.Layer.GetComponent<TexturesExtension>();
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if (texturesExtension == null || texturesExtension.enabled == false || texturesExtension.LeftTexture == null)
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return false;
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var transform = layerInfo.Layer.GetComponent<Transform>();
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nativeLayer.Space = PXR_LayerUtility.GetCurrentAppSpace();
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nativeLayer.Orientation = new XrQuaternionf(PXR_Utility.ComputePoseToWorldSpace(transform, CompositionLayerManager.mainCameraCache).rotation);
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return true;
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}
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protected override bool ActiveNativeLayer(CompositionLayerManager.LayerInfo layerInfo, ref XrCompositionLayerCubeKHR nativeLayer)
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{
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nativeLayer.Space = PXR_LayerUtility.GetCurrentAppSpace();
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return base.ActiveNativeLayer(layerInfo, ref nativeLayer);
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}
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protected override void Dispose(bool disposing)
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{
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base.Dispose(disposing);
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}
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}
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}
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#endif
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