Emulator-Archive/ppsspp
1
0
Fork 0
mirror of https://github.com/hrydgard/ppsspp.git synced 2024-11-27 15:30:35 +00:00
Code Issues Actions 2 Packages Projects Releases Wiki Activity

softgpu: Allow inversions when w >= -1.0.

Browse Source 
This seems to match desired cases well, see #16131.  Likely still
inaccurate to what hardware actually does.
This commit is contained in:
Unknown W. Brackets 2022-11-26 12:11:56 -08:00
parent 0b375bb357
commit 909f3feaea
1 changed files with 8 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
GPU/Software/Clipper.cpp
View File

@ -50,13 +50,16 @@ inline float clip_dotprod(const ClipVertexData &vert, float A, float B, float C,
}
inline void clip_interpolate(ClipVertexData &dest, float t, const ClipVertexData &a, const ClipVertexData &b) {
dest.Lerp(t, a, b);
if (different_signs(a.clippos.w, b.clippos.w)) {
dest.v.screenpos.x = 0x7FFFFFFF;
} else {
dest.v.screenpos = TransformUnit::ClipToScreen(dest.clippos);
dest.v.clipw = dest.clippos.w;
if (a.clippos.w < -1.0f || b.clippos.w < -1.0f) {
dest.v.screenpos.x = 0x7FFFFFFF;
return;
}
}
dest.Lerp(t, a, b);
dest.v.screenpos = TransformUnit::ClipToScreen(dest.clippos);
dest.v.clipw = dest.clippos.w;
}
#define CLIP_POLY( PLANE_BIT, A, B, C, D ) \