Xargon/Supermodel
1
0
Fork 0
mirror of https://github.com/RetroDECK/Supermodel.git synced 2024-11-22 22:05:38 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Optimise depth calculation for quad shader.

Browse source
This commit is contained in:
Ian Curtis 2018-11-27 20:43:27 +00:00
parent 6eaf204d72
commit 6075352868
1 changed files with 1 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
Src/Graphics/New3D/R3DShaderQuads.h
View file

@ -315,7 +315,7 @@ void QuadraticInterpolation()
depth = ((vertex.z / vertex.w) + 1.0) / 2.0; depth = ((vertex.z / vertex.w) + 1.0) / 2.0;
} }
else { else {
vertex = projMat * vec4(fsViewVertex,1.0); vertex.z = (projMat[2][2] * fsViewVertex.z) + projMat[3][2]; // standard projMat * vertex - but just using Z components
depth = ((vertex.z * interp_oneOverW) + 1.0) / 2.0; depth = ((vertex.z * interp_oneOverW) + 1.0) / 2.0;
} }