70 lines
2.9 KiB
C#
70 lines
2.9 KiB
C#
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using UnityEngine.Experimental.Rendering;
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namespace UnityEngine.Rendering.Universal
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{
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internal static class XRSystemUniversal
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{
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// Prevent GC by keeping an array pre-allocated
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static Matrix4x4[] s_projMatrix = new Matrix4x4[2];
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internal static void BeginLateLatching(Camera camera, XRPassUniversal xrPass)
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{
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#if ENABLE_VR && ENABLE_XR_MODULE
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XR.XRDisplaySubsystem xrDisplay = XRSystem.GetActiveDisplay();
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if (xrDisplay != null && xrPass.viewCount == 2) // multiview only
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{
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xrDisplay.BeginRecordingIfLateLatched(camera);
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xrPass.isLateLatchEnabled = true;
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}
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#endif
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}
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internal static void EndLateLatching(Camera camera, XRPassUniversal xrPass)
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{
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#if ENABLE_VR && ENABLE_XR_MODULE
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XR.XRDisplaySubsystem xrDisplay = XRSystem.GetActiveDisplay();
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if (xrDisplay != null && xrPass.isLateLatchEnabled)
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{
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xrDisplay.EndRecordingIfLateLatched(camera);
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xrPass.isLateLatchEnabled = false;
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}
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#endif
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}
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internal static void UnmarkShaderProperties(RasterCommandBuffer cmd, XRPassUniversal xrPass)
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{
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#if ENABLE_VR && ENABLE_XR_MODULE
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if (xrPass.isLateLatchEnabled && xrPass.hasMarkedLateLatch)
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{
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cmd.UnmarkLateLatchMatrix(CameraLateLatchMatrixType.View);
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cmd.UnmarkLateLatchMatrix(CameraLateLatchMatrixType.InverseView);
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cmd.UnmarkLateLatchMatrix(CameraLateLatchMatrixType.ViewProjection);
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cmd.UnmarkLateLatchMatrix(CameraLateLatchMatrixType.InverseViewProjection);
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xrPass.hasMarkedLateLatch = false;
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}
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#endif
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}
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internal static void MarkShaderProperties(RasterCommandBuffer cmd, XRPassUniversal xrPass, bool renderIntoTexture)
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{
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#if ENABLE_VR && ENABLE_XR_MODULE
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if (xrPass.isLateLatchEnabled && xrPass.canMarkLateLatch)
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{
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cmd.MarkLateLatchMatrixShaderPropertyID(CameraLateLatchMatrixType.View, XRBuiltinShaderConstants.unity_StereoMatrixV);
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cmd.MarkLateLatchMatrixShaderPropertyID(CameraLateLatchMatrixType.InverseView, XRBuiltinShaderConstants.unity_StereoMatrixInvV);
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cmd.MarkLateLatchMatrixShaderPropertyID(CameraLateLatchMatrixType.ViewProjection, XRBuiltinShaderConstants.unity_StereoMatrixVP);
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cmd.MarkLateLatchMatrixShaderPropertyID(CameraLateLatchMatrixType.InverseViewProjection, XRBuiltinShaderConstants.unity_StereoMatrixInvVP);
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for (int viewIndex = 0; viewIndex < 2; ++viewIndex)
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s_projMatrix[viewIndex] = GL.GetGPUProjectionMatrix(xrPass.GetProjMatrix(viewIndex), renderIntoTexture);
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cmd.SetLateLatchProjectionMatrices(s_projMatrix);
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xrPass.hasMarkedLateLatch = true;
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}
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#endif
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}
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}
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}
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