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Changed vignetting simulation

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- removed screen ratio influence
- changed radius, blur and intensity
This commit is contained in:
ImJezze 2015-05-22 18:56:30 +02:00
parent 578f8b5bbe
commit 0fa1503782
1 changed files with 13 additions and 15 deletions
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28
hlsl/post.fx
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@ -173,14 +173,12 @@ float GetVignetteFactor(float2 coord, float amount)
{ {
float2 VignetteCoord = coord; float2 VignetteCoord = coord;
float VignetteBlur = amount * 2.0f; float VignetteLength = length(VignetteCoord);
float VignetteBlur = (amount * 0.75f) + 0.25;
// 0.5 full screen fitting circle // 0.5 full screen fitting circle
float VignetteRadius = 1.0f - amount * 0.5f; float VignetteRadius = 1.0f - (amount * 0.25f);
float Vignette = smoothstep(VignetteRadius, VignetteRadius - VignetteBlur, length(VignetteCoord)); float Vignette = smoothstep(VignetteRadius, VignetteRadius - VignetteBlur, VignetteLength);
// reduce strength to 50%
Vignette = lerp(1.0, 1.0 * Vignette, 0.5f);
return saturate(Vignette); return saturate(Vignette);
} }
@ -283,18 +281,18 @@ float4 ps_main(PS_INPUT Input) : COLOR
BaseCoordCentered *= CurvatureZoom; // zoom BaseCoordCentered *= CurvatureZoom; // zoom
BaseCoordCentered += CurvatureCurve; // distortion BaseCoordCentered += CurvatureCurve; // distortion
// float2 BaseAreaRatioCoord = BaseCoord; float2 BaseAreaCoord = BaseCoord;
// BaseAreaRatioCoord *= UsedArea * ScreenRatio; BaseAreaCoord *= UsedArea;
float2 BaseAreaRatioCoordCentered = BaseCoordCentered;
BaseAreaRatioCoordCentered *= UsedArea * ScreenRatio;
// float2 BaseAreaCoord = BaseCoord;
// BaseAreaCoord *= UsedArea;
float2 BaseAreaCoordCentered = BaseCoordCentered; float2 BaseAreaCoordCentered = BaseCoordCentered;
BaseAreaCoordCentered *= UsedArea; BaseAreaCoordCentered *= UsedArea;
float2 BaseAreaRatioCoord = BaseAreaCoord;
BaseAreaRatioCoord *= ScreenRatio;
float2 BaseAreaRatioCoordCentered = BaseAreaCoordCentered;
BaseAreaRatioCoordCentered *= ScreenRatio;
// // Alpha Clipping (round corners applies smoother clipping when screen is curved) // // Alpha Clipping (round corners applies smoother clipping when screen is curved)
// clip((BaseCoord < SourceTexelDims) ? -1 : 1); // clip((BaseCoord < SourceTexelDims) ? -1 : 1);
// clip((BaseCoord > SourceRect + SourceTexelDims) ? -1 : 1); // clip((BaseCoord > SourceRect + SourceTexelDims) ? -1 : 1);
@ -303,7 +301,7 @@ float4 ps_main(PS_INPUT Input) : COLOR
BaseColor.a = 1.0f; BaseColor.a = 1.0f;
// Vignetting Simulation (may affect bloom) // Vignetting Simulation (may affect bloom)
float2 VignetteCoord = BaseAreaRatioCoordCentered; float2 VignetteCoord = BaseAreaCoordCentered;
float VignetteFactor = GetVignetteFactor(VignetteCoord, VignettingAmount); float VignetteFactor = GetVignetteFactor(VignetteCoord, VignettingAmount);
BaseColor.rgb *= VignetteFactor; BaseColor.rgb *= VignetteFactor;