diff options
Diffstat (limited to 'LibOVR/Src/CAPI/D3D1X/Shaders/DistortionChroma_ps.psh')
| -rw-r--r-- | LibOVR/Src/CAPI/D3D1X/Shaders/DistortionChroma_ps.psh | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/LibOVR/Src/CAPI/D3D1X/Shaders/DistortionChroma_ps.psh b/LibOVR/Src/CAPI/D3D1X/Shaders/DistortionChroma_ps.psh index c69fce0..3232cee 100644 --- a/LibOVR/Src/CAPI/D3D1X/Shaders/DistortionChroma_ps.psh +++ b/LibOVR/Src/CAPI/D3D1X/Shaders/DistortionChroma_ps.psh @@ -23,9 +23,12 @@ limitations under the License. Texture2D Texture : register(t0);
Texture2D LastTexture : register(t1);
+Texture2D OverdriveLut : register(t2);
SamplerState Linear : register(s0);
+// unused - SamplerState Linear2 : register(s1);
+SamplerState OverdriveSampler : register(s2);
-float2 OverdriveScales;
+float3 OverdriveScales;
float AaDerivativeMult;
// Fast approximate gamma to linear conversion when averaging colors
@@ -124,12 +127,24 @@ void main(in float4 oPosition : SV_Position, {
float3 oldColor = LastTexture.Load(int3(oPosition.xy, 0)).rgb;
- float3 adjustedScales;
- adjustedScales.x = newColor.x > oldColor.x ? OverdriveScales.x : OverdriveScales.y;
- adjustedScales.y = newColor.y > oldColor.y ? OverdriveScales.x : OverdriveScales.y;
- adjustedScales.z = newColor.z > oldColor.z ? OverdriveScales.x : OverdriveScales.y;
-
- float3 overdriveColor = saturate(newColor + (newColor - oldColor) * adjustedScales);
+ float3 overdriveColor;
+
+ // x < 1.5 means "use analytical model instead of LUT"
+ if(OverdriveScales.x < 1.5)
+ {
+ float3 adjustedScales;
+ adjustedScales.x = newColor.x > oldColor.x ? OverdriveScales.y : OverdriveScales.z;
+ adjustedScales.y = newColor.y > oldColor.y ? OverdriveScales.y : OverdriveScales.z;
+ adjustedScales.z = newColor.z > oldColor.z ? OverdriveScales.y : OverdriveScales.z;
+ overdriveColor = saturate(newColor + (newColor - oldColor) * adjustedScales);
+ }
+ else
+ {
+ overdriveColor.r = OverdriveLut.Sample(OverdriveSampler, float2(newColor.r, oldColor.r)).r;
+ overdriveColor.g = OverdriveLut.Sample(OverdriveSampler, float2(newColor.g, oldColor.g)).g;
+ overdriveColor.b = OverdriveLut.Sample(OverdriveSampler, float2(newColor.b, oldColor.b)).b;
+ }
+
outColor1 = float4(overdriveColor, 1.0);
}
}
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