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Update SDL_windowswindow.c (#6225)

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Clip rectangle set to int(left+width/2) , int(top+height/2) , int(left+width/2)+1 , int(top+height/2)+1
a 1x1 box
On even-valued resolution, cursor is stable at bottom-right central pixel
On odd-valued resolution, cursor is stable at exact central pixel.
this is the desired behaviour
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xeonmc 2022-09-14 03:43:16 +08:00 committed by GitHub
parent 929d5b80c6
commit 228b9fb517
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 2 additions and 2 deletions
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src/video/windows/SDL_windowswindow.c
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@ -1309,9 +1309,9 @@ WIN_UpdateClipCursor(SDL_Window *window)
cy = (rect.top + rect.bottom) / 2;
/* Make an absurdly small clip rect */
rect.left = cx - 1;
rect.left = cx;
rect.right = cx + 1;
rect.top = cy - 1;
rect.top = cy;
rect.bottom = cy + 1;
if (SDL_memcmp(&rect, &clipped_rect, sizeof(rect)) != 0) {