Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Gather min/max data in a clearer way. #735

Merged
merged 1 commit into from
Aug 19, 2021
Merged

Gather min/max data in a clearer way. #735

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
23 changes: 13 additions & 10 deletions MiniEngine/Core/Shaders/DoFPass1CS.hlsl
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -37,21 +37,24 @@ void main( uint3 Gid : SV_GroupID, uint GI : SV_GroupIndex, uint3 GTid : SV_Grou
float TileMaxDepth = Max4(Depths);
float TileMaxCoC = MaxCoC(Depths);

// Write and sync
gs_ClosestDepthSearch[GI] = TileMinDepth;
gs_FarthestDepthSearch[GI] = TileMaxDepth;
gs_MaximumCoC[GI] = TileMaxCoC;
GroupMemoryBarrierWithGroupSync();

for (uint i = 32; i > 0; i >>= 1)
{
// Write and sync
gs_ClosestDepthSearch[GI] = TileMinDepth;
gs_FarthestDepthSearch[GI] = TileMaxDepth;
gs_MaximumCoC[GI] = TileMaxCoC;
GroupMemoryBarrierWithGroupSync();

// Read and sync
TileMinDepth = min(TileMinDepth, gs_ClosestDepthSearch[(GI + i) % 64]);
TileMaxDepth = max(TileMaxDepth, gs_FarthestDepthSearch[(GI + i) % 64]);
TileMaxCoC = max(TileMaxCoC, gs_MaximumCoC[(GI + i) % 64]);
if (GI < i)
{
gs_ClosestDepthSearch[i] = min(gs_ClosestDepthSearch[i], gs_ClosestDepthSearch[GI + i]);
gs_FarthestDepthSearch[i] = max(gs_FarthestDepthSearch[i], gs_FarthestDepthSearch[GI + i]);
gs_MaximumCoC[i] = max(gs_MaximumCoC[i], gs_MaximumCoC[GI + i]);
}
GroupMemoryBarrierWithGroupSync();
}

if (GI == 0)
TileClass[Gid.xy] = float3(TileMaxCoC, TileMinDepth, TileMaxDepth);
TileClass[Gid.xy] = float3(gs_MaximumCoC[0], gs_FarthestDepthSearch[0], gs_FarthestDepthSearch[0]);
}