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HDRenderPipeline: Fix issue with double sided and reflection probe

/feature-ReflectionProbeFit
Sebastien Lagarde 7 年前
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298fa746
共有 3 个文件被更改,包括 10 次插入19 次删除
  1. 23
      ScriptableRenderPipeline/HDRenderPipeline/HDRP/Camera/HDCamera.cs
  2. 1
      ScriptableRenderPipeline/HDRenderPipeline/HDRP/HDStringConstants.cs
  3. 5
      ScriptableRenderPipeline/HDRenderPipeline/HDRP/ShaderPass/VaryingMesh.hlsl

23
ScriptableRenderPipeline/HDRenderPipeline/HDRP/Camera/HDCamera.cs


public Vector4[] frustumPlaneEquations;
public Camera camera;
public uint taaFrameIndex;
public Vector4 viewParam;
public PostProcessRenderContext postprocessRenderContext;
public Matrix4x4 viewProjMatrix

isFirstFrame = false;
const uint taaFrameCount = 8;
taaFrameIndex = taaEnabled ? (uint)Time.renderedFrameCount % taaFrameCount : 0;
taaFrameIndex = taaEnabled ? (uint)Time.renderedFrameCount % taaFrameCount : 0;
}
else
{

nonJitteredProjMatrix = gpuNonJitteredProj;
cameraPos = pos;
screenSize = new Vector4(camera.pixelWidth, camera.pixelHeight, 1.0f / camera.pixelWidth, 1.0f / camera.pixelHeight);
viewParam = new Vector4(viewMatrix.determinant, 0.0f, 0.0f, 0.0f);
if (ShaderConfig.s_CameraRelativeRendering != 0)
{

cmd.SetGlobalMatrix(HDShaderIDs._NonJitteredViewProjMatrix, nonJitteredViewProjMatrix);
cmd.SetGlobalMatrix(HDShaderIDs._ViewProjMatrix, viewProjMatrix);
cmd.SetGlobalMatrix(HDShaderIDs._InvViewProjMatrix, viewProjMatrix.inverse);
cmd.SetGlobalVector(HDShaderIDs._ViewParam, viewParam);
cmd.SetGlobalVector(HDShaderIDs._InvProjParam, invProjParam);
cmd.SetGlobalVector(HDShaderIDs._ScreenSize, screenSize);
cmd.SetGlobalMatrix(HDShaderIDs._PrevViewProjMatrix, prevViewProjMatrix);

// Does not modify global settings. Used for shadows, low res. rendering, etc.
public void OverrideGlobalParams(Material material)
{
material.SetMatrix(HDShaderIDs._ViewMatrix, viewMatrix);
material.SetMatrix(HDShaderIDs._InvViewMatrix, viewMatrix.inverse);
material.SetMatrix(HDShaderIDs._ProjMatrix, projMatrix);
material.SetMatrix(HDShaderIDs._InvProjMatrix, projMatrix.inverse);
material.SetMatrix(HDShaderIDs._NonJitteredViewProjMatrix, nonJitteredViewProjMatrix);
material.SetMatrix(HDShaderIDs._ViewProjMatrix, viewProjMatrix);
material.SetMatrix(HDShaderIDs._InvViewProjMatrix, viewProjMatrix.inverse);
material.SetVector(HDShaderIDs._InvProjParam, invProjParam);
material.SetVector(HDShaderIDs._ScreenSize, screenSize);
material.SetMatrix(HDShaderIDs._PrevViewProjMatrix, prevViewProjMatrix);
material.SetVectorArray(HDShaderIDs._FrustumPlanes, frustumPlaneEquations);
material.SetInt(HDShaderIDs._TaaFrameIndex, (int)taaFrameIndex);
}
// TODO: We should set all the value below globally and not let it under the control of Unity,
// Need to test that because we are not sure in which order these value are setup, but we need to have control on them, or rename them in our shader.
// For now, apply it for all our compute shader to make it work

cmd.SetComputeVectorParam(cs, HDShaderIDs.unity_OrthoParams, Shader.GetGlobalVector(HDShaderIDs.unity_OrthoParams));
cmd.SetComputeVectorParam(cs, HDShaderIDs._ProjectionParams, Shader.GetGlobalVector(HDShaderIDs._ProjectionParams));
cmd.SetComputeVectorParam(cs, HDShaderIDs._ViewParam, Shader.GetGlobalVector(HDShaderIDs._ViewParam));
cmd.SetComputeVectorParam(cs, HDShaderIDs._ScreenParams, Shader.GetGlobalVector(HDShaderIDs._ScreenParams));
cmd.SetComputeVectorParam(cs, HDShaderIDs._ZBufferParams, Shader.GetGlobalVector(HDShaderIDs._ZBufferParams));
cmd.SetComputeVectorParam(cs, HDShaderIDs._WorldSpaceCameraPos, Shader.GetGlobalVector(HDShaderIDs._WorldSpaceCameraPos));

1
ScriptableRenderPipeline/HDRenderPipeline/HDRP/HDStringConstants.cs


public static readonly int _NonJitteredViewProjMatrix = Shader.PropertyToID("_NonJitteredViewProjMatrix");
public static readonly int _ViewProjMatrix = Shader.PropertyToID("_ViewProjMatrix");
public static readonly int _InvViewProjMatrix = Shader.PropertyToID("_InvViewProjMatrix");
public static readonly int _ViewParam = Shader.PropertyToID("_ViewParam");
public static readonly int _InvProjParam = Shader.PropertyToID("_InvProjParam");
public static readonly int _ScreenSize = Shader.PropertyToID("_ScreenSize");
public static readonly int _PrevViewProjMatrix = Shader.PropertyToID("_PrevViewProjMatrix");

5
ScriptableRenderPipeline/HDRenderPipeline/HDRP/ShaderPass/VaryingMesh.hlsl


#ifdef VARYINGS_NEED_TANGENT_TO_WORLD
float4 tangentWS = float4(input.interpolators2.xyz, input.interpolators2.w > 0.0 ? 1.0 : -1.0); // must not be normalized (mikkts requirement)
// Normalize normalWS vector but keep the renormFactor to apply it to bitangent and tangent
float3 unnormalizedNormalWS = input.interpolators1.xyz;
float renormFactor = 1.0 / length(unnormalizedNormalWS);

#if defined(VARYINGS_NEED_CULLFACE) && SHADER_STAGE_FRAGMENT
output.isFrontFace = IS_FRONT_VFACE(input.cullFace, true, false);
// Handle handness of the view matrix (In Unity view matrix default to a determinant of -1)
// when we render a cubemap the view matrix handness is flipped (due to convention used for cubemap) we have a determinant of +1
output.isFrontFace = _ViewParam.x < 0.0 ? output.isFrontFace : !output.isFrontFace;
#endif
return output;

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