Mirrors/moonlight-qt
2
0
Fork 0
mirror of https://github.com/moonlight-stream/moonlight-qt synced 2024-12-17 14:43:09 +00:00
Code Issues Projects Releases Packages Wiki Activity

Make scaleSourceToDestinationSurface() idempotent

Browse source 
Deviation between scaling done during window sizing and renderer
viewport configuration can lead to small errors that create visible
artifacts such as a single pixel pillarbox/letterbox on one side.
This commit is contained in:
Cameron Gutman 2022-10-15 13:12:18 -05:00
parent a860bd8dd5
commit 6771877a84
1 changed files with 2 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
app/streaming/streamutils.cpp
View file

@ -17,18 +17,16 @@ Uint32 StreamUtils::getPlatformWindowFlags()
void StreamUtils::scaleSourceToDestinationSurface(SDL_Rect* src, SDL_Rect* dst)
{
int dstH = dst->w * src->h / src->w;
int dstW = dst->h * src->w / src->h;
int dstH = SDL_ceilf((float)dst->w * src->h / src->w);
int dstW = SDL_ceilf((float)dst->h * src->w / src->h);
if (dstH > dst->h) {
dst->x += (dst->w - dstW) / 2;
dst->w = dstW;
SDL_assert(dst->w * src->h / src->w <= dst->h);
}
else {
dst->y += (dst->h - dstH) / 2;
dst->h = dstH;
SDL_assert(dst->h * src->w / src->h <= dst->w);
}
}