UnityEngine.PostProcessing.ColorGradingComponent.CalculateSlopePowerOffset(UnityEngine.Color, UnityEngine.Color, UnityEngine.Color, out UnityEngine.Vector3, out UnityEngine.Vector3, out UnityEngine.Vector3)

Here are the examples of the csharp api UnityEngine.PostProcessing.ColorGradingComponent.CalculateSlopePowerOffset(UnityEngine.Color, UnityEngine.Color, UnityEngine.Color, out UnityEngine.Vector3, out UnityEngine.Vector3, out UnityEngine.Vector3) taken from open source projects. By voting up you can indicate which examples are most useful and appropriate.

2 Examples 7

19 View Source File : ColorGradingComponent.cs
License : MIT License
Project Creator : liangxiegame 

void GenerateLut()
        {
            var settings = model.settings;

            if (!IsLogLutValid(model.bakedLut))
            {
                GraphicsUtils.Destroy(model.bakedLut);

                model.bakedLut = new RenderTexture(k_InternalLogLutSize * k_InternalLogLutSize, k_InternalLogLutSize, 0, GetLutFormat())
                {
                    name = "Color Grading Log LUT",
                    hideFlags = HideFlags.DontSave,
                    filterMode = FilterMode.Bilinear,
                    wrapMode = TextureWrapMode.Clamp,
                    anisoLevel = 0
                };
            }

            var lutMaterial = context.materialFactory.Get("Hidden/Post FX/Lut Generator");
            lutMaterial.SetVector(Uniforms._LutParams, new Vector4(
                    k_InternalLogLutSize,
                    0.5f / (k_InternalLogLutSize * k_InternalLogLutSize),
                    0.5f / k_InternalLogLutSize,
                    k_InternalLogLutSize / (k_InternalLogLutSize - 1f))
                );

            // Tonemapping
            lutMaterial.shaderKeywords = null;

            var tonemapping = settings.tonemapping;
            switch (tonemapping.tonemapper)
            {
                case ColorGradingModel.Tonemapper.Neutral:
                {
                    lutMaterial.EnableKeyword("TONEMAPPING_NEUTRAL");

                    const float scaleFactor = 20f;
                    const float scaleFactorHalf = scaleFactor * 0.5f;

                    float inBlack = tonemapping.neutralBlackIn * scaleFactor + 1f;
                    float outBlack = tonemapping.neutralBlackOut * scaleFactorHalf + 1f;
                    float inWhite = tonemapping.neutralWhiteIn / scaleFactor;
                    float outWhite = 1f - tonemapping.neutralWhiteOut / scaleFactor;
                    float blackRatio = inBlack / outBlack;
                    float whiteRatio = inWhite / outWhite;

                    const float a = 0.2f;
                    float b = Mathf.Max(0f, Mathf.LerpUnclamped(0.57f, 0.37f, blackRatio));
                    float c = Mathf.LerpUnclamped(0.01f, 0.24f, whiteRatio);
                    float d = Mathf.Max(0f, Mathf.LerpUnclamped(0.02f, 0.20f, blackRatio));
                    const float e = 0.02f;
                    const float f = 0.30f;

                    lutMaterial.SetVector(Uniforms._NeutralTonemapperParams1, new Vector4(a, b, c, d));
                    lutMaterial.SetVector(Uniforms._NeutralTonemapperParams2, new Vector4(e, f, tonemapping.neutralWhiteLevel, tonemapping.neutralWhiteClip / scaleFactorHalf));
                    break;
                }

                case ColorGradingModel.Tonemapper.ACES:
                {
                    lutMaterial.EnableKeyword("TONEMAPPING_FILMIC");
                    break;
                }
            }

            // Color balance & basic grading settings
            lutMaterial.SetFloat(Uniforms._HueShift, settings.basic.hueShift / 360f);
            lutMaterial.SetFloat(Uniforms._Saturation, settings.basic.saturation);
            lutMaterial.SetFloat(Uniforms._Contrast, settings.basic.contrast);
            lutMaterial.SetVector(Uniforms._Balance, CalculateColorBalance(settings.basic.temperature, settings.basic.tint));

            // Lift / Gamma / Gain
            Vector3 lift, gamma, gain;
            CalculateLiftGammaGain(
                settings.colorWheels.linear.lift,
                settings.colorWheels.linear.gamma,
                settings.colorWheels.linear.gain,
                out lift, out gamma, out gain
                );

            lutMaterial.SetVector(Uniforms._Lift, lift);
            lutMaterial.SetVector(Uniforms._InvGamma, gamma);
            lutMaterial.SetVector(Uniforms._Gain, gain);

            // Slope / Power / Offset
            Vector3 slope, power, offset;
            CalculateSlopePowerOffset(
                settings.colorWheels.log.slope,
                settings.colorWheels.log.power,
                settings.colorWheels.log.offset,
                out slope, out power, out offset
                );

            lutMaterial.SetVector(Uniforms._Slope, slope);
            lutMaterial.SetVector(Uniforms._Power, power);
            lutMaterial.SetVector(Uniforms._Offset, offset);

            // Channel mixer
            lutMaterial.SetVector(Uniforms._ChannelMixerRed, settings.channelMixer.red);
            lutMaterial.SetVector(Uniforms._ChannelMixerGreen, settings.channelMixer.green);
            lutMaterial.SetVector(Uniforms._ChannelMixerBlue, settings.channelMixer.blue);

            // Selective grading & YRGB curves
            lutMaterial.SetTexture(Uniforms._Curves, GetCurveTexture());

            // Generate the lut
            Graphics.Blit(null, model.bakedLut, lutMaterial, 0);
        }

19 View Source File : ColorGradingComponent.cs
License : MIT License
Project Creator : ondeowl 

void GenerateLut()
        {
            var settings = model.settings;

            if (!IsLogLutValid(model.bakedLut))
            {
                GraphicsUtils.Destroy(model.bakedLut);

                model.bakedLut = new RenderTexture(k_InternalLogLutSize * k_InternalLogLutSize, k_InternalLogLutSize, 0, RenderTextureFormat.ARGBHalf)
                {
                    name = "Color Grading Log LUT",
                    hideFlags = HideFlags.DontSave,
                    filterMode = FilterMode.Bilinear,
                    wrapMode = TextureWrapMode.Clamp,
                    anisoLevel = 0
                };
            }

            var lutMaterial = context.materialFactory.Get("Hidden/Post FX/Lut Generator");
            lutMaterial.SetVector(Uniforms._LutParams, new Vector4(
                    k_InternalLogLutSize,
                    0.5f / (k_InternalLogLutSize * k_InternalLogLutSize),
                    0.5f / k_InternalLogLutSize,
                    k_InternalLogLutSize / (k_InternalLogLutSize - 1f))
                );

            // Tonemapping
            lutMaterial.shaderKeywords = null;

            var tonemapping = settings.tonemapping;
            switch (tonemapping.tonemapper)
            {
                case ColorGradingModel.Tonemapper.Neutral:
                {
                    lutMaterial.EnableKeyword("TONEMAPPING_NEUTRAL");

                    const float scaleFactor = 20f;
                    const float scaleFactorHalf = scaleFactor * 0.5f;

                    float inBlack = tonemapping.neutralBlackIn * scaleFactor + 1f;
                    float outBlack = tonemapping.neutralBlackOut * scaleFactorHalf + 1f;
                    float inWhite = tonemapping.neutralWhiteIn / scaleFactor;
                    float outWhite = 1f - tonemapping.neutralWhiteOut / scaleFactor;
                    float blackRatio = inBlack / outBlack;
                    float whiteRatio = inWhite / outWhite;

                    const float a = 0.2f;
                    float b = Mathf.Max(0f, Mathf.LerpUnclamped(0.57f, 0.37f, blackRatio));
                    float c = Mathf.LerpUnclamped(0.01f, 0.24f, whiteRatio);
                    float d = Mathf.Max(0f, Mathf.LerpUnclamped(0.02f, 0.20f, blackRatio));
                    const float e = 0.02f;
                    const float f = 0.30f;

                    lutMaterial.SetVector(Uniforms._NeutralTonemapperParams1, new Vector4(a, b, c, d));
                    lutMaterial.SetVector(Uniforms._NeutralTonemapperParams2, new Vector4(e, f, tonemapping.neutralWhiteLevel, tonemapping.neutralWhiteClip / scaleFactorHalf));
                    break;
                }

                case ColorGradingModel.Tonemapper.ACES:
                {
                    lutMaterial.EnableKeyword("TONEMAPPING_FILMIC");
                    break;
                }
            }

            // Color balance & basic grading settings
            lutMaterial.SetFloat(Uniforms._HueShift, settings.basic.hueShift / 360f);
            lutMaterial.SetFloat(Uniforms._Saturation, settings.basic.saturation);
            lutMaterial.SetFloat(Uniforms._Contrast, settings.basic.contrast);
            lutMaterial.SetVector(Uniforms._Balance, CalculateColorBalance(settings.basic.temperature, settings.basic.tint));

            // Lift / Gamma / Gain
            Vector3 lift, gamma, gain;
            CalculateLiftGammaGain(
                settings.colorWheels.linear.lift,
                settings.colorWheels.linear.gamma,
                settings.colorWheels.linear.gain,
                out lift, out gamma, out gain
                );

            lutMaterial.SetVector(Uniforms._Lift, lift);
            lutMaterial.SetVector(Uniforms._InvGamma, gamma);
            lutMaterial.SetVector(Uniforms._Gain, gain);

            // Slope / Power / Offset
            Vector3 slope, power, offset;
            CalculateSlopePowerOffset(
                settings.colorWheels.log.slope,
                settings.colorWheels.log.power,
                settings.colorWheels.log.offset,
                out slope, out power, out offset
                );

            lutMaterial.SetVector(Uniforms._Slope, slope);
            lutMaterial.SetVector(Uniforms._Power, power);
            lutMaterial.SetVector(Uniforms._Offset, offset);

            // Channel mixer
            lutMaterial.SetVector(Uniforms._ChannelMixerRed, settings.channelMixer.red);
            lutMaterial.SetVector(Uniforms._ChannelMixerGreen, settings.channelMixer.green);
            lutMaterial.SetVector(Uniforms._ChannelMixerBlue, settings.channelMixer.blue);

            // Selective grading & YRGB curves
            lutMaterial.SetTexture(Uniforms._Curves, GetCurveTexture());

            // Generate the lut
            Graphics.Blit(null, model.bakedLut, lutMaterial, 0);
        }