}
// -------------- End temporary structs that need to be replaced at some point ---------------
public struct ShadowPayload
{
public int p0 ;
public int p1 ;
public int p2 ;
public int p3 ;
public void Set ( float v0 , float v1 , float v2 , float v3 )
{
p0 = ShadowUtils . Asint ( v0 ) ;
p1 = ShadowUtils . Asint ( v1 ) ;
p2 = ShadowUtils . Asint ( v2 ) ;
p3 = ShadowUtils . Asint ( v3 ) ;
}
public void Set ( Vector4 v ) { Set ( v . x , v . y , v . z , v . w ) ; }
}
// Class holding resource information that needs to be synchronized with shaders.
public class ShadowContextStorage
public void SetTexCubeArraySlot ( uint slot , RenderTargetIdentifier val ) { m_TexCubeArray [ slot ] = val ; }
protected VectorArray < ShadowData > m_ShadowDatas = new VectorArray < ShadowData > ( 0 , false ) ;
protected VectorArray < int > m_Payloads = new VectorArray < int > ( 0 , false ) ;
protected VectorArray < ShadowPayload > m_Payloads = new VectorArray < ShadowPayload > ( 0 , false ) ;
protected VectorArray < RenderTargetIdentifier > m_Tex2DArray = new VectorArray < RenderTargetIdentifier > ( 0 , true ) ;
protected VectorArray < RenderTargetIdentifier > m_TexCubeArray = new VectorArray < RenderTargetIdentifier > ( 0 , true ) ;
protected VectorArray < ComparisonSamplerState > m_CompSamplers = new VectorArray < ComparisonSamplerState > ( 0 , true ) ;
public void BindResources ( CommandBuffer cb ) { m_ResourceBinderDel ( this , cb ) ; }
// the following functions are to be used by the bind and sync delegates
public void GetShadowDatas ( out ShadowData [ ] shadowDatas , out uint offset , out uint count ) { shadowDatas = m_ShadowDatas . AsArray ( out offset , out count ) ; }
public void GetPayloads ( out int [ ] payloads , out uint offset , out uint count ) { payloads = m_Payloads . AsArray ( out offset , out count ) ; }
public void GetTex2DArrays ( out RenderTargetIdentifier [ ] tex2DArrays , out uint offset , out uint count ) { tex2DArrays = m_Tex2DArray . AsArray ( out offset , out count ) ; }
public void GetTexCubeArrays ( out RenderTargetIdentifier [ ] texCubeArrays , out uint offset , out uint count ) { texCubeArrays = m_TexCubeArray . AsArray ( out offset , out count ) ; }
public void GetComparisonSamplerArrays ( out ComparisonSamplerState [ ] compSamplers , out uint offset , out uint count ) { compSamplers = m_CompSamplers . AsArray ( out offset , out count ) ; }
public void GetSamplerArrays ( out SamplerState [ ] samplerArrays , out uint offset , out uint count ) { samplerArrays = m_Samplers . AsArray ( out offset , out count ) ; }
public void GetShadowDatas ( out ShadowData [ ] shadowDatas , out uint offset , out uint count ) { shadowDatas = m_ShadowDatas . AsArray ( out offset , out count ) ; }
public void GetPayloads ( out ShadowPayload [ ] payloads , out uint offset , out uint count ) { payloads = m_Payloads . AsArray ( out offset , out count ) ; }
public void GetTex2DArrays ( out RenderTargetIdentifier [ ] tex2DArrays , out uint offset , out uint count ) { tex2DArrays = m_Tex2DArray . AsArray ( out offset , out count ) ; }
public void GetTexCubeArrays ( out RenderTargetIdentifier [ ] texCubeArrays , out uint offset , out uint count ) { texCubeArrays = m_TexCubeArray . AsArray ( out offset , out count ) ; }
public void GetComparisonSamplerArrays ( out ComparisonSamplerState [ ] compSamplers , out uint offset , out uint count ) { compSamplers = m_CompSamplers . AsArray ( out offset , out count ) ; }
public void GetSamplerArrays ( out SamplerState [ ] samplerArrays , out uint offset , out uint count ) { samplerArrays = m_Samplers . AsArray ( out offset , out count ) ; }
private SyncDel m_DataSyncerDel ;
private BindDel m_ResourceBinderDel ;
public uint GetMaxPayload ( ) { return m_MaxPayloadCount ; }
public void AssignId ( uint shadowId ) { m_ShadowId = shadowId ; }
public void Assign ( CullResults cullResults ) { m_CullResults = cullResults ; } // TODO: Remove when m_CullResults is removed again
abstract public bool Reserve ( FrameId frameId , ref ShadowData shadowData , ShadowRequest sr , uint width , uint height , ref VectorArray < ShadowData > entries , ref VectorArray < int > payloads , VisibleLight [ ] lights ) ;
abstract public bool Reserve ( FrameId frameId , ref ShadowData shadowData , ShadowRequest sr , uint [ ] widths , uint [ ] heights , ref VectorArray < ShadowData > entries , ref VectorArray < int > payloads , VisibleLight [ ] lights ) ;
abstract public bool ReserveFinalize ( FrameId frameId , ref VectorArray < ShadowData > entries , ref VectorArray < int > payloads ) ;
abstract public bool Reserve ( FrameId frameId , ref ShadowData shadowData , ShadowRequest sr , uint width , uint height , ref VectorArray < ShadowData > entries , ref VectorArray < ShadowPayload > payloads , VisibleLight [ ] lights ) ;
abstract public bool Reserve ( FrameId frameId , ref ShadowData shadowData , ShadowRequest sr , uint [ ] widths , uint [ ] heights , ref VectorArray < ShadowData > entries , ref VectorArray < ShadowPayload > payloads , VisibleLight [ ] lights ) ;
abstract public bool ReserveFinalize ( FrameId frameId , ref VectorArray < ShadowData > entries , ref VectorArray < ShadowPayload > payloads ) ;
abstract public void Update ( FrameId frameId , ScriptableRenderContext renderContext , CullResults cullResults , VisibleLight [ ] lights ) ;
abstract public void ReserveSlots ( ShadowContextStorage sc ) ;
abstract public void Fill ( ShadowContextStorage cs ) ;
// When called the array contains the indices of lights requesting shadows,
// upon returning the array contains up to shadowRequestsCount valid shadow caster indices,
// whereas [shadowRequestsCount;originalRequestsCount) will hold all indices for lights that wanted to cast a shadow but got rejected.
// shadowDataIndices contains the offset into the shadowDatas array for each shadow casting light, e.g. lights[shadowRequests[i]].shadowDataOffset = shadowDataIndices[i];
// shadowDataIndices contains the offset into the shadowDatas array only for each shadow casting light, e.g. lights[shadowRequests[i]].shadowDataOffset = shadowDataIndices[i];
// shadowDatas contains shadowmap related basic parameters that can be passed to the shader.
// shadowPayloads contains implementation specific data that is accessed from the shader by indexing into an Buffer<int> using ShadowData.ShadowmapData.payloadOffset.
// This is the equivalent of a void pointer in the shader and there needs to be loader code that knows how to interpret the data.
// prune the shadow requests - may modify shadowRequests and shadowsCountshadowRequestsCount
protected abstract void PruneShadowCasters ( Camera camera , VisibleLight [ ] lights , ref VectorArray < int > shadowRequests , ref VectorArray < ShadowmapBase . ShadowRequest > requestsGranted , out uint totalRequestCount ) ;
// allocate the shadow requests in the shadow map, only is called if shadowsCount > 0 - may modify shadowRequests and shadowsCount
protected abstract void AllocateShadows ( FrameId frameId , VisibleLight [ ] lights , uint totalGranted , ref VectorArray < ShadowmapBase . ShadowRequest > grantedRequests , ref VectorArray < int > shadowIndices , ref VectorArray < ShadowData > shadowmapDatas , ref VectorArray < int > shadowmapPayload ) ;
protected abstract void AllocateShadows ( FrameId frameId , VisibleLight [ ] lights , uint totalGranted , ref VectorArray < ShadowmapBase . ShadowRequest > grantedRequests , ref VectorArray < int > shadowIndices , ref VectorArray < ShadowData > shadowmapDatas , ref VectorArray < ShadowPayload > shadowmapPayload ) ;
}
} // end of namespace ShadowExp
uygar
8 年前