forked from BilalY/Rasagar
75 lines
3.6 KiB
C#
75 lines
3.6 KiB
C#
using UnityEngine.Experimental.Rendering;
|
|
|
|
namespace UnityEngine.Rendering.Universal.Internal
|
|
{
|
|
/// <summary>
|
|
/// Util class for normal reconstruction.
|
|
/// </summary>
|
|
public static class NormalReconstruction
|
|
{
|
|
private static readonly int s_NormalReconstructionMatrixID = Shader.PropertyToID("_NormalReconstructionMatrix");
|
|
private static Matrix4x4[] s_NormalReconstructionMatrix = new Matrix4x4[2];
|
|
|
|
/// <summary>
|
|
/// Setup properties needed for normal reconstruction from depth using shader functions in NormalReconstruction.hlsl
|
|
/// </summary>
|
|
/// <param name="cmd">Command Buffer used for properties setup.</param>
|
|
/// <param name="cameraData">CameraData containing camera matrices information.</param>
|
|
public static void SetupProperties(CommandBuffer cmd, in CameraData cameraData)
|
|
{
|
|
SetupProperties(CommandBufferHelpers.GetRasterCommandBuffer(cmd), cameraData);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Setup properties needed for normal reconstruction from depth using shader functions in NormalReconstruction.hlsl
|
|
/// </summary>
|
|
/// <param name="cmd">Raster Command Buffer used for properties setup.</param>
|
|
/// <param name="cameraData">CameraData containing camera matrices information.</param>
|
|
public static void SetupProperties(RasterCommandBuffer cmd, in CameraData cameraData)
|
|
{
|
|
var universalCameraData = cameraData.universalCameraData;
|
|
SetupProperties((RasterCommandBuffer)cmd, in universalCameraData);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Setup properties needed for normal reconstruction from depth using shader functions in NormalReconstruction.hlsl
|
|
/// </summary>
|
|
/// <param name="cmd">Command Buffer used for properties setup.</param>
|
|
/// <param name="cameraData">CameraData containing camera matrices information.</param>
|
|
public static void SetupProperties(CommandBuffer cmd, UniversalCameraData cameraData)
|
|
{
|
|
SetupProperties(CommandBufferHelpers.GetRasterCommandBuffer(cmd), cameraData);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Setup properties needed for normal reconstruction from depth using shader functions in NormalReconstruction.hlsl
|
|
/// </summary>
|
|
/// <param name="cmd">Raster Command Buffer used for properties setup.</param>
|
|
/// <param name="cameraData">CameraData containing camera matrices information.</param>
|
|
public static void SetupProperties(RasterCommandBuffer cmd, in UniversalCameraData cameraData)
|
|
{
|
|
#if ENABLE_VR && ENABLE_XR_MODULE
|
|
int eyeCount = cameraData.xr.enabled && cameraData.xr.singlePassEnabled ? 2 : 1;
|
|
#else
|
|
int eyeCount = 1;
|
|
#endif
|
|
for (int eyeIndex = 0; eyeIndex < eyeCount; eyeIndex++)
|
|
{
|
|
Matrix4x4 view = cameraData.GetViewMatrix(eyeIndex);
|
|
Matrix4x4 proj = cameraData.GetProjectionMatrix(eyeIndex);
|
|
s_NormalReconstructionMatrix[eyeIndex] = proj * view;
|
|
|
|
// camera view space without translation, used by SSAO.hlsl ReconstructViewPos() to calculate view vector.
|
|
Matrix4x4 cview = view;
|
|
cview.SetColumn(3, new Vector4(0.0f, 0.0f, 0.0f, 1.0f));
|
|
Matrix4x4 cviewProj = proj * cview;
|
|
Matrix4x4 cviewProjInv = cviewProj.inverse;
|
|
|
|
s_NormalReconstructionMatrix[eyeIndex] = cviewProjInv;
|
|
}
|
|
|
|
cmd.SetGlobalMatrixArray(s_NormalReconstructionMatrixID, s_NormalReconstructionMatrix);
|
|
}
|
|
}
|
|
}
|