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engine: platform: sdl: fix incorrect mouse cursor positioning on high-dpi displays (#1623)

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Signed-off-by: SheridanR <sheridan.rathbun@gmail.com>
This commit is contained in:
Sheridan Kane Rathbun 2024-02-23 09:54:17 -08:00 committed by GitHub
parent 0f3359fc05
commit 98d88266a6
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GPG Key ID: B5690EEEBB952194
2 changed files with 11 additions and 2 deletions
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11
engine/platform/sdl/in_sdl.c
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@ -43,7 +43,18 @@ Platform_GetMousePos
*/ */
void GAME_EXPORT Platform_GetMousePos( int *x, int *y ) void GAME_EXPORT Platform_GetMousePos( int *x, int *y )
{ {
float factorX;
float factorY;
{
int w1, w2, h1, h2;
SDL_GL_GetDrawableSize( host.hWnd, &w1, &h1 );
SDL_GetWindowSize( host.hWnd, &w2, &h2 );
factorX = (float)w1 / w2;
factorY = (float)h1 / h2;
}
SDL_GetMouseState( x, y ); SDL_GetMouseState( x, y );
*x = *x * factorX;
*y = *y * factorY;
} }
/* /*

2
engine/platform/sdl/vid_sdl.c
View File

@ -576,10 +576,8 @@ static qboolean VID_SetScreenResolution( int width, int height, window_mode_t wi
SDL_DisplayMode got; SDL_DisplayMode got;
Uint32 wndFlags = 0; Uint32 wndFlags = 0;
#if !XASH_APPLE
if( vid_highdpi.value ) if( vid_highdpi.value )
SetBits( wndFlags, SDL_WINDOW_ALLOW_HIGHDPI ); SetBits( wndFlags, SDL_WINDOW_ALLOW_HIGHDPI );
#endif
SDL_SetWindowBordered( host.hWnd, SDL_FALSE ); SDL_SetWindowBordered( host.hWnd, SDL_FALSE );