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 = shadowRequest.minFilterSize;
var hdAsset = (GraphicsSettings.renderPipelineAsset as HDRenderPipelineAsset);
if (hdAsset.renderPipelineSettings.hdShadowInitParams.shadowQuality == HDShadowQuality.VeryHigh && shadowRequest.lightType == (int)LightType.Directional)
{
data.shadowFilterParams0.x = shadowRequest.kernelSize;
data.shadowFilterParams0.y = shadowRequest.lightAngle;
data.shadowFilterParams0.z = shadowRequest.maxDepthBias;
}
return(data);
}
public HDShadowManager(int width, int height, int maxShadowRequests, DepthBits atlasDepthBits, Shader clearShader)
{
Material clearMaterial = CoreUtils.CreateEngineMaterial(clearShader);
// Prevent the list from resizing their internal container when we add shadow requests
m_ShadowDatas.Capacity = maxShadowRequests;
m_ShadowResolutionRequests.Capacity = maxShadowRequests;
m_ShadowRequests = new HDShadowRequest[maxShadowRequests];
// The cascade atlas will be allocated only if there is a directional light
m_Atlas = new HDShadowAtlas(width, height, HDShaderIDs._ShadowAtlasSize, clearMaterial, depthBufferBits: atlasDepthBits, name: "Shadow Map Atlas");
// Cascade atlas render texture will only be allocated if there is a shadow casting directional light
m_CascadeAtlas = new HDShadowAtlas(1, 1, HDShaderIDs._CascadeShadowAtlasSize, clearMaterial, depthBufferBits: atlasDepthBits, name: "Cascade Shadow Map Atlas");
m_ShadowDataBuffer = new ComputeBuffer(maxShadowRequests, System.Runtime.InteropServices.Marshal.SizeOf(typeof(HDShadowData)));
m_DirectionalShadowDataBuffer = new ComputeBuffer(1, System.Runtime.InteropServices.Marshal.SizeOf(typeof(HDDirectionalShadowData)));
m_MaxShadowRequests = maxShadowRequests;
}
public HDShadowManager(RenderPipelineResources renderPipelineResources, DepthBits directionalShadowDepthBits,
HDShadowInitParameters.HDShadowAtlasInitParams punctualLightAtlasInfo, HDShadowInitParameters.HDShadowAtlasInitParams areaLightAtlasInfo, int maxShadowRequests, Shader clearShader)
{
Material clearMaterial = CoreUtils.CreateEngineMaterial(clearShader);
// Prevent the list from resizing their internal container when we add shadow requests
m_ShadowDatas.Capacity = maxShadowRequests;
m_ShadowResolutionRequests.Capacity = maxShadowRequests;
m_ShadowRequests = new HDShadowRequest[maxShadowRequests];
// The cascade atlas will be allocated only if there is a directional light
m_Atlas = new HDShadowAtlas(renderPipelineResources, punctualLightAtlasInfo.shadowAtlasResolution, punctualLightAtlasInfo.shadowAtlasResolution, HDShaderIDs._ShadowmapAtlas, HDShaderIDs._ShadowAtlasSize, clearMaterial, depthBufferBits: punctualLightAtlasInfo.shadowAtlasDepthBits, name: "Shadow Map Atlas");
// Cascade atlas render texture will only be allocated if there is a shadow casting directional light
HDShadowAtlas.BlurAlgorithm cascadeBlur = GetDirectionalShadowAlgorithm() == DirectionalShadowAlgorithm.IMS ? HDShadowAtlas.BlurAlgorithm.IM : HDShadowAtlas.BlurAlgorithm.None;
m_CascadeAtlas = new HDShadowAtlas(renderPipelineResources, 1, 1, HDShaderIDs._ShadowmapCascadeAtlas, HDShaderIDs._CascadeShadowAtlasSize, clearMaterial, cascadeBlur, depthBufferBits: directionalShadowDepthBits, name: "Cascade Shadow Map Atlas");
m_AreaLightShadowAtlas = new HDShadowAtlas(renderPipelineResources, areaLightAtlasInfo.shadowAtlasResolution, areaLightAtlasInfo.shadowAtlasResolution, HDShaderIDs._AreaLightShadowmapAtlas, HDShaderIDs._AreaShadowAtlasSize, clearMaterial, HDShadowAtlas.BlurAlgorithm.EVSM, depthBufferBits: areaLightAtlasInfo.shadowAtlasDepthBits, name: "Area Light Shadow Map Atlas", momentAtlasShaderID: HDShaderIDs._AreaShadowmapMomentAtlas);
m_ShadowDataBuffer = new ComputeBuffer(maxShadowRequests, System.Runtime.InteropServices.Marshal.SizeOf(typeof(HDShadowData)));
m_DirectionalShadowDataBuffer = new ComputeBuffer(1, System.Runtime.InteropServices.Marshal.SizeOf(typeof(HDDirectionalShadowData)));
m_MaxShadowRequests = maxShadowRequests;
}