HDShadowData CreateShadowData(HDShadowRequest shadowRequest, HDShadowAtlas atlas)
{
HDShadowData data = new HDShadowData();
var devProj = shadowRequest.deviceProjection;
var view = shadowRequest.view;
data.proj = new Vector4(devProj.m00, devProj.m11, devProj.m22, devProj.m23);
data.pos = shadowRequest.position;
data.rot0 = new Vector3(view.m00, view.m01, view.m02);
data.rot1 = new Vector3(view.m10, view.m11, view.m12);
data.rot2 = new Vector3(view.m20, view.m21, view.m22);
data.shadowToWorld = shadowRequest.shadowToWorld;
// Compute the scale and offset (between 0 and 1) for the atlas coordinates
float rWidth = 1.0f / atlas.width;
float rHeight = 1.0f / atlas.height;
data.atlasOffset = Vector2.Scale(new Vector2(rWidth, rHeight), new Vector2(shadowRequest.atlasViewport.x, shadowRequest.atlasViewport.y));
data.shadowMapSize = new Vector4(shadowRequest.atlasViewport.width, shadowRequest.atlasViewport.height, 1.0f / shadowRequest.atlasViewport.width, 1.0f / shadowRequest.atlasViewport.height);
data.viewBias = shadowRequest.viewBias;
data.normalBias = shadowRequest.normalBias;
data.flags = shadowRequest.flags;
data.edgeTolerance = shadowRequest.edgeTolerance;
data.shadowFilterParams0.x = shadowRequest.shadowSoftness;
data.shadowFilterParams0.y = HDShadowUtils.Asfloat(shadowRequest.blockerSampleCount);
data.shadowFilterParams0.z = HDShadowUtils.Asfloat(shadowRequest.filterSampleCount);
data.shadowFilterParams0.w = 0;
return(data);
}
HDShadowData CreateShadowData(HDShadowRequest shadowRequest, HDShadowAtlas atlas)
{
HDShadowData data = new HDShadowData();
var devProj = shadowRequest.deviceProjection;
var view = shadowRequest.view;
data.proj = new Vector4(devProj.m00, devProj.m11, devProj.m22, devProj.m23);
data.pos = shadowRequest.position;
data.rot0 = new Vector3(view.m00, view.m01, view.m02);
data.rot1 = new Vector3(view.m10, view.m11, view.m12);
data.rot2 = new Vector3(view.m20, view.m21, view.m22);
data.shadowToWorld = shadowRequest.shadowToWorld;
data.cacheTranslationDelta = new Vector3(0.0f, 0.0f, 0.0f);
// Compute the scale and offset (between 0 and 1) for the atlas coordinates
float rWidth = 1.0f / atlas.width;
float rHeight = 1.0f / atlas.height;
data.atlasOffset = Vector2.Scale(new Vector2(rWidth, rHeight), new Vector2(shadowRequest.atlasViewport.x, shadowRequest.atlasViewport.y));
data.shadowMapSize = new Vector4(shadowRequest.atlasViewport.width, shadowRequest.atlasViewport.height, 1.0f / shadowRequest.atlasViewport.width, 1.0f / shadowRequest.atlasViewport.height);
data.viewBias = shadowRequest.viewBias;
data.normalBias = shadowRequest.normalBias;
data.flags = shadowRequest.flags;
data.edgeTolerance = shadowRequest.edgeTolerance;
data.shadowFilterParams0.x = shadowRequest.shadowSoftness;
data.shadowFilterParams0.y = HDShadowUtils.Asfloat(shadowRequest.blockerSampleCount);
data.shadowFilterParams0.z = HDShadowUtils.Asfloat(shadowRequest.filterSampleCount);
data.shadowFilterParams0.w = shadowRequest.minFilterSize;
var hdAsset = (GraphicsSettings.renderPipelineAsset as HDRenderPipelineAsset);
if (hdAsset.currentPlatformRenderPipelineSettings.hdShadowInitParams.shadowQuality == HDShadowQuality.VeryHigh && shadowRequest.lightType == (int)LightType.Directional)
{
data.shadowFilterParams0.x = shadowRequest.kernelSize;
data.shadowFilterParams0.y = shadowRequest.lightAngle;
data.shadowFilterParams0.z = shadowRequest.maxDepthBias;
}
if (atlas.HasBlurredEVSM())
{
data.shadowFilterParams0 = shadowRequest.evsmParams;
}
return(data);
}
public static HDShadowData UnPackedShadowDataToShadowData(PackedShadowData data)
{
HDShadowData outData = default(HDShadowData);
outData.rot0 = data.packedData1;
outData.edgeTolerance = data.packedData1.w;
outData.rot1 = data.packedData2;
outData.flags = (int)data.packedData2.w;
outData.rot2 = data.packedData3;
outData.shadowFilterParams0.x = data.packedData3.w;
outData.pos = data.packedData4;
outData.shadowFilterParams0.y = data.packedData4.w;
outData.proj = data.packedData5;
outData.atlasOffset = data.packedData6;
outData.shadowFilterParams0.z = data.packedData6.z;
outData.shadowFilterParams0.w = data.packedData6.w;
outData.zBufferParam = data.packedData7;
outData.shadowMapSize = data.packedData8;
outData.viewBias = data.packedData9;
outData.normalBias = data.packedData10.normalized;
outData._padding = data.packedData10.w;
outData.shadowToWorld.SetColumn(0, data.packedData11);
outData.shadowToWorld.SetColumn(1, data.packedData12);
outData.shadowToWorld.SetColumn(2, data.packedData13);
outData.shadowToWorld.SetColumn(3, data.packedData14);
return(outData);
}
public static PackedShadowData ToPackedShadowData(HDShadowData data)
{
PackedShadowData outData = default(PackedShadowData);
outData.packedData1 = data.rot0;
outData.packedData1.w = data.edgeTolerance;
outData.packedData2 = data.rot1;
outData.packedData2.w = (float)data.flags + Epsilon; //防止1，转换为float变成0.999999999998;
outData.packedData3 = data.rot2;
outData.packedData3.w = data.shadowFilterParams0.x;
outData.packedData4 = data.pos;
outData.packedData4.w = data.shadowFilterParams0.y;
outData.packedData5 = data.proj;
outData.packedData6 = data.atlasOffset;
outData.packedData6.z = data.shadowFilterParams0.z;
outData.packedData6.w = data.shadowFilterParams0.w;
outData.packedData7 = data.zBufferParam;
outData.packedData8 = data.shadowMapSize;
outData.packedData9 = data.viewBias;
outData.packedData10 = data.normalBias;
outData.packedData10.w = data._padding;
outData.packedData11 = data.shadowToWorld.GetColumn(0);
outData.packedData12 = data.shadowToWorld.GetColumn(1);
outData.packedData13 = data.shadowToWorld.GetColumn(2);
outData.packedData14 = data.shadowToWorld.GetColumn(3);
return(outData);
}
