26 lines
1.0 KiB
HLSL
26 lines
1.0 KiB
HLSL
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#ifndef UNITY_SCREEN_COORD_OVERRIDE_INCLUDED
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#define UNITY_SCREEN_COORD_OVERRIDE_INCLUDED
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float2 ScreenCoordApplyScaleBias(float2 xy, float4 screenCoordScaleBias)
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{
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return screenCoordScaleBias.zw + xy * screenCoordScaleBias.xy;
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}
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float2 ScreenCoordRemoveScaleBias(float2 xy, float4 screenCoordScaleBias)
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{
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return (xy - screenCoordScaleBias.zw) / screenCoordScaleBias.xy;
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}
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// Note that SCREEN_SIZE_OVERRIDE will be redefined in HDRP to use _PostProcessScreenSize.
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#if defined(SCREEN_COORD_OVERRIDE)
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#define SCREEN_COORD_APPLY_SCALEBIAS(xy) ScreenCoordApplyScaleBias(xy, _ScreenCoordScaleBias)
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#define SCREEN_COORD_REMOVE_SCALEBIAS(xy) ScreenCoordRemoveScaleBias(xy, _ScreenCoordScaleBias)
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#define SCREEN_SIZE_OVERRIDE _ScreenSizeOverride
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#else
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#define SCREEN_COORD_APPLY_SCALEBIAS(xy) xy
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#define SCREEN_COORD_REMOVE_SCALEBIAS(xy) xy
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#define SCREEN_SIZE_OVERRIDE _ScreenSize
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#endif
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#endif // UNITY_SCREEN_COORD_OVERRIDE_INCLUDED
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