Jiti-way
Alors justement, quand je fais modifier, j'ai ça sur TONEMAP :
float4 TonemapPass( float4 colorInput, float2 tex )
{
float4 color = colorInput;
color = max(0, color - Defog * FogColor);
color *= pow(2.0f, Exposure);
color = pow(color, Gamma);
float4 d = color * float4(1.05f, 0.97f, 1.27f, color.a);
color = lerp(color, d, BlueShift);
float3 lumCoeff = float3(0.299, 0.587, 0.114);
float lum = dot (lumCoeff, color.rgb);
float3 blend = lum.rrr;
float L = min(1, max (0, 10 * (lum - 0.45)));
float3 result1 = 2.0f * color.rgb * blend;
float3 result2 = 1.0f - 2.0f * (1.0f - blend) * (1.0f - color.rgb);
float3 newColor = lerp(result1, result2, L);
float A2 = Bleach * color.rgb;
float3 mixRGB = A2 * newColor;
color.rgb += ((1.0f - A2) * mixRGB);
float4 middlegray = float(color.r + color.g + color.b) /3;
float4 diffcolor = color - middlegray;
color = (color + diffcolor * Saturation)/(1+(diffcolor*Saturation));
return color;
}
Et ben là, je vois pas où est la valeur 1.580 à modifier de Gamma justement 