private void RenderLDRPipeline2D(PostProcessRenderContext context)
{
CheckInternalStripLut();
PropertySheet propertySheet = context.propertySheets.Get(context.resources.shaders.lut2DBaker);
propertySheet.ClearKeywords();
propertySheet.properties.SetVector(ShaderIDs.Lut2D_Params, new Vector4(32f, 0.00048828125f, 0.015625f, 1.032258f));
Vector3 v = ColorUtilities.ComputeColorBalance(base.settings.temperature.value, base.settings.tint.value);
propertySheet.properties.SetVector(ShaderIDs.ColorBalance, v);
propertySheet.properties.SetVector(ShaderIDs.ColorFilter, base.settings.colorFilter.value);
float x = base.settings.hueShift.value / 360f;
float y = base.settings.saturation.value / 100f + 1f;
float z = base.settings.contrast.value / 100f + 1f;
propertySheet.properties.SetVector(ShaderIDs.HueSatCon, new Vector3(x, y, z));
Vector3 a = new Vector3(base.settings.mixerRedOutRedIn, base.settings.mixerRedOutGreenIn, base.settings.mixerRedOutBlueIn);
Vector3 a2 = new Vector3(base.settings.mixerGreenOutRedIn, base.settings.mixerGreenOutGreenIn, base.settings.mixerGreenOutBlueIn);
Vector3 a3 = new Vector3(base.settings.mixerBlueOutRedIn, base.settings.mixerBlueOutGreenIn, base.settings.mixerBlueOutBlueIn);
propertySheet.properties.SetVector(ShaderIDs.ChannelMixerRed, a / 100f);
propertySheet.properties.SetVector(ShaderIDs.ChannelMixerGreen, a2 / 100f);
propertySheet.properties.SetVector(ShaderIDs.ChannelMixerBlue, a3 / 100f);
Vector3 v2 = ColorUtilities.ColorToLift(base.settings.lift.value);
Vector3 v3 = ColorUtilities.ColorToGain(base.settings.gain.value);
Vector3 v4 = ColorUtilities.ColorToInverseGamma(base.settings.gamma.value);
propertySheet.properties.SetVector(ShaderIDs.Lift, v2);
propertySheet.properties.SetVector(ShaderIDs.InvGamma, v4);
propertySheet.properties.SetVector(ShaderIDs.Gain, v3);
propertySheet.properties.SetFloat(ShaderIDs.Brightness, (base.settings.brightness.value + 100f) / 100f);
propertySheet.properties.SetTexture(ShaderIDs.Curves, GetCurveTexture(hdr: false));
context.command.BeginSample("LdrColorGradingLut2D");
Texture value = base.settings.ldrLut.value;
if (value == null)
{
context.command.BlitFullscreenTriangle(BuiltinRenderTextureType.None, m_InternalLdrLut, propertySheet, 0);
}
else
{
propertySheet.properties.SetVector(ShaderIDs.UserLut2D_Params, new Vector4(1f / (float)value.width, 1f / (float)value.height, (float)value.height - 1f, base.settings.ldrLutContribution));
context.command.BlitFullscreenTriangle(value, m_InternalLdrLut, propertySheet, 1);
}
context.command.EndSample("LdrColorGradingLut2D");
RenderTexture internalLdrLut = m_InternalLdrLut;
PropertySheet uberSheet = context.uberSheet;
uberSheet.EnableKeyword("COLOR_GRADING_LDR_2D");
uberSheet.properties.SetVector(ShaderIDs.Lut2D_Params, new Vector3(1f / (float)internalLdrLut.width, 1f / (float)internalLdrLut.height, (float)internalLdrLut.height - 1f));
uberSheet.properties.SetTexture(ShaderIDs.Lut2D, internalLdrLut);
}
void DrawWheel(ref Vector4 value, bool overrideState, TrackballAttribute attr)
{
var wheelRect = GUILayoutUtility.GetAspectRect(1f);
float size = wheelRect.width;
float hsize = size / 2f;
float radius = 0.38f * size;
Vector3 hsv;
Color.RGBToHSV(value, out hsv.x, out hsv.y, out hsv.z);
float offset = value.w;
// Thumb
var thumbPos = Vector2.zero;
float theta = hsv.x * (Mathf.PI * 2f);
thumbPos.x = Mathf.Cos(theta + (Mathf.PI / 2f));
thumbPos.y = Mathf.Sin(theta - (Mathf.PI / 2f));
thumbPos *= hsv.y * radius;
// Draw the wheel
if (Event.current.type == EventType.Repaint)
{
// Retina support
float scale = EditorGUIUtility.pixelsPerPoint;
if (s_Material == null)
{
s_Material = new Material(Shader.Find("Hidden/PostProcessing/Editor/Trackball"))
{
hideFlags = HideFlags.HideAndDontSave
}
}
;
// Wheel texture
#if UNITY_2018_1_OR_NEWER
const RenderTextureReadWrite kReadWrite = RenderTextureReadWrite.sRGB;
#else
const RenderTextureReadWrite kReadWrite = RenderTextureReadWrite.Linear;
#endif
var oldRT = RenderTexture.active;
var rt = RenderTexture.GetTemporary((int)(size * scale), (int)(size * scale), 0, RenderTextureFormat.ARGB32, kReadWrite);
s_Material.SetFloat("_Offset", offset);
s_Material.SetFloat("_DisabledState", overrideState ? 1f : 0.5f);
s_Material.SetVector("_Resolution", new Vector2(size * scale, size * scale / 2f));
Graphics.Blit(null, rt, s_Material, EditorGUIUtility.isProSkin ? 0 : 1);
RenderTexture.active = oldRT;
GUI.DrawTexture(wheelRect, rt);
RenderTexture.ReleaseTemporary(rt);
var thumbSize = Styling.wheelThumbSize;
var thumbSizeH = thumbSize / 2f;
Styling.wheelThumb.Draw(new Rect(wheelRect.x + hsize + thumbPos.x - thumbSizeH.x, wheelRect.y + hsize + thumbPos.y - thumbSizeH.y, thumbSize.x, thumbSize.y), false, false, false, false);
}
// Input
var bounds = wheelRect;
bounds.x += hsize - radius;
bounds.y += hsize - radius;
bounds.width = bounds.height = radius * 2f;
hsv = GetInput(bounds, hsv, thumbPos, radius);
value = Color.HSVToRGB(hsv.x, hsv.y, 1f);
value.w = offset;
// Offset
var sliderRect = GUILayoutUtility.GetRect(1f, 17f);
float padding = sliderRect.width * 0.05f; // 5% padding
sliderRect.xMin += padding;
sliderRect.xMax -= padding;
value.w = GUI.HorizontalSlider(sliderRect, value.w, -1f, 1f);
if (attr.mode == TrackballAttribute.Mode.None)
{
return;
}
// Values
var displayValue = Vector3.zero;
switch (attr.mode)
{
case TrackballAttribute.Mode.Lift: displayValue = ColorUtilities.ColorToLift(value);
break;
case TrackballAttribute.Mode.Gamma: displayValue = ColorUtilities.ColorToInverseGamma(value);
break;
case TrackballAttribute.Mode.Gain: displayValue = ColorUtilities.ColorToGain(value);
break;
}
using (new EditorGUI.DisabledGroupScope(true))
{
var valuesRect = GUILayoutUtility.GetRect(1f, 17f);
valuesRect.width /= 3f;
GUI.Label(valuesRect, displayValue.x.ToString("F2"), EditorStyles.centeredGreyMiniLabel);
valuesRect.x += valuesRect.width;
GUI.Label(valuesRect, displayValue.y.ToString("F2"), EditorStyles.centeredGreyMiniLabel);
valuesRect.x += valuesRect.width;
GUI.Label(valuesRect, displayValue.z.ToString("F2"), EditorStyles.centeredGreyMiniLabel);
valuesRect.x += valuesRect.width;
}
}
void DrawLabelAndOverride(GUIContent title, SerializedProperty overrideState)
{
// Title
var areaRect = GUILayoutUtility.GetRect(1f, 17f);
var labelSize = Styling.wheelLabel.CalcSize(title);
var labelRect = new Rect(areaRect.x + areaRect.width / 2 - labelSize.x / 2, areaRect.y, labelSize.x, labelSize.y);
GUI.Label(labelRect, title, Styling.wheelLabel);
// Override checkbox
var overrideRect = new Rect(labelRect.x - 17, labelRect.y + 3, 17f, 17f);
EditorUtilities.DrawOverrideCheckbox(overrideRect, overrideState);
}
Vector3 GetInput(Rect bounds, Vector3 hsv, Vector2 thumbPos, float radius)
{
var e = Event.current;
var id = GUIUtility.GetControlID(k_ThumbHash, FocusType.Passive, bounds);
var mousePos = e.mousePosition;
if (e.type == EventType.MouseDown && GUIUtility.hotControl == 0 && bounds.Contains(mousePos))
{
if (e.button == 0)
{
var center = new Vector2(bounds.x + radius, bounds.y + radius);
float dist = Vector2.Distance(center, mousePos);
if (dist <= radius)
{
e.Use();
m_CursorPos = new Vector2(thumbPos.x + radius, thumbPos.y + radius);
GUIUtility.hotControl = id;
GUI.changed = true;
}
}
else if (e.button == 1)
{
e.Use();
GUI.changed = true;
m_ResetState = true;
}
}
else if (e.type == EventType.MouseDrag && e.button == 0 && GUIUtility.hotControl == id)
{
e.Use();
GUI.changed = true;
m_CursorPos += e.delta * GlobalSettings.trackballSensitivity;
GetWheelHueSaturation(m_CursorPos.x, m_CursorPos.y, radius, out hsv.x, out hsv.y);
}
else if (e.rawType == EventType.MouseUp && e.button == 0 && GUIUtility.hotControl == id)
{
e.Use();
GUIUtility.hotControl = 0;
}
return(hsv);
}
void GetWheelHueSaturation(float x, float y, float radius, out float hue, out float saturation)
{
float dx = (x - radius) / radius;
float dy = (y - radius) / radius;
float d = Mathf.Sqrt(dx * dx + dy * dy);
hue = Mathf.Atan2(dx, -dy);
hue = 1f - ((hue > 0) ? hue : (Mathf.PI * 2f) + hue) / (Mathf.PI * 2f);
saturation = Mathf.Clamp01(d);
}
}
private void RenderHDRPipeline3D(PostProcessRenderContext context)
{
CheckInternalLogLut();
ComputeShader lut3DBaker = context.resources.computeShaders.lut3DBaker;
int kernelIndex = 0;
switch (base.settings.tonemapper.value)
{
case Tonemapper.None:
kernelIndex = lut3DBaker.FindKernel("KGenLut3D_NoTonemap");
break;
case Tonemapper.Neutral:
kernelIndex = lut3DBaker.FindKernel("KGenLut3D_NeutralTonemap");
break;
case Tonemapper.ACES:
kernelIndex = lut3DBaker.FindKernel("KGenLut3D_AcesTonemap");
break;
case Tonemapper.Custom:
kernelIndex = lut3DBaker.FindKernel("KGenLut3D_CustomTonemap");
break;
}
CommandBuffer command = context.command;
command.SetComputeTextureParam(lut3DBaker, kernelIndex, "_Output", m_InternalLogLut);
command.SetComputeVectorParam(lut3DBaker, "_Size", new Vector4(33f, 0.03125f, 0f, 0f));
Vector3 v = ColorUtilities.ComputeColorBalance(base.settings.temperature.value, base.settings.tint.value);
command.SetComputeVectorParam(lut3DBaker, "_ColorBalance", v);
command.SetComputeVectorParam(lut3DBaker, "_ColorFilter", base.settings.colorFilter.value);
float x = base.settings.hueShift.value / 360f;
float y = base.settings.saturation.value / 100f + 1f;
float z = base.settings.contrast.value / 100f + 1f;
command.SetComputeVectorParam(lut3DBaker, "_HueSatCon", new Vector4(x, y, z, 0f));
Vector4 a = new Vector4(base.settings.mixerRedOutRedIn, base.settings.mixerRedOutGreenIn, base.settings.mixerRedOutBlueIn, 0f);
Vector4 a2 = new Vector4(base.settings.mixerGreenOutRedIn, base.settings.mixerGreenOutGreenIn, base.settings.mixerGreenOutBlueIn, 0f);
Vector4 a3 = new Vector4(base.settings.mixerBlueOutRedIn, base.settings.mixerBlueOutGreenIn, base.settings.mixerBlueOutBlueIn, 0f);
command.SetComputeVectorParam(lut3DBaker, "_ChannelMixerRed", a / 100f);
command.SetComputeVectorParam(lut3DBaker, "_ChannelMixerGreen", a2 / 100f);
command.SetComputeVectorParam(lut3DBaker, "_ChannelMixerBlue", a3 / 100f);
Vector3 vector = ColorUtilities.ColorToLift(base.settings.lift.value * 0.2f);
Vector3 vector2 = ColorUtilities.ColorToGain(base.settings.gain.value * 0.8f);
Vector3 vector3 = ColorUtilities.ColorToInverseGamma(base.settings.gamma.value * 0.8f);
command.SetComputeVectorParam(lut3DBaker, "_Lift", new Vector4(vector.x, vector.y, vector.z, 0f));
command.SetComputeVectorParam(lut3DBaker, "_InvGamma", new Vector4(vector3.x, vector3.y, vector3.z, 0f));
command.SetComputeVectorParam(lut3DBaker, "_Gain", new Vector4(vector2.x, vector2.y, vector2.z, 0f));
command.SetComputeTextureParam(lut3DBaker, kernelIndex, "_Curves", GetCurveTexture(hdr: true));
if (base.settings.tonemapper.value == Tonemapper.Custom)
{
m_HableCurve.Init(base.settings.toneCurveToeStrength.value, base.settings.toneCurveToeLength.value, base.settings.toneCurveShoulderStrength.value, base.settings.toneCurveShoulderLength.value, base.settings.toneCurveShoulderAngle.value, base.settings.toneCurveGamma.value);
command.SetComputeVectorParam(lut3DBaker, "_CustomToneCurve", m_HableCurve.uniforms.curve);
command.SetComputeVectorParam(lut3DBaker, "_ToeSegmentA", m_HableCurve.uniforms.toeSegmentA);
command.SetComputeVectorParam(lut3DBaker, "_ToeSegmentB", m_HableCurve.uniforms.toeSegmentB);
command.SetComputeVectorParam(lut3DBaker, "_MidSegmentA", m_HableCurve.uniforms.midSegmentA);
command.SetComputeVectorParam(lut3DBaker, "_MidSegmentB", m_HableCurve.uniforms.midSegmentB);
command.SetComputeVectorParam(lut3DBaker, "_ShoSegmentA", m_HableCurve.uniforms.shoSegmentA);
command.SetComputeVectorParam(lut3DBaker, "_ShoSegmentB", m_HableCurve.uniforms.shoSegmentB);
}
context.command.BeginSample("HdrColorGradingLut3D");
int num = Mathf.CeilToInt(8.25f);
command.DispatchCompute(lut3DBaker, kernelIndex, num, num, num);
context.command.EndSample("HdrColorGradingLut3D");
RenderTexture internalLogLut = m_InternalLogLut;
PropertySheet uberSheet = context.uberSheet;
uberSheet.EnableKeyword("COLOR_GRADING_HDR_3D");
uberSheet.properties.SetTexture(ShaderIDs.Lut3D, internalLogLut);
uberSheet.properties.SetVector(ShaderIDs.Lut3D_Params, new Vector2(1f / (float)internalLogLut.width, (float)internalLogLut.width - 1f));
uberSheet.properties.SetFloat(ShaderIDs.PostExposure, RuntimeUtilities.Exp2(base.settings.postExposure.value));
context.logLut = internalLogLut;
}
private void RenderHDRPipeline2D(PostProcessRenderContext context)
{
CheckInternalStripLut();
PropertySheet propertySheet = context.propertySheets.Get(context.resources.shaders.lut2DBaker);
propertySheet.ClearKeywords();
propertySheet.properties.SetVector(ShaderIDs.Lut2D_Params, new Vector4(32f, 0.00048828125f, 0.015625f, 1.032258f));
Vector3 v = ColorUtilities.ComputeColorBalance(base.settings.temperature.value, base.settings.tint.value);
propertySheet.properties.SetVector(ShaderIDs.ColorBalance, v);
propertySheet.properties.SetVector(ShaderIDs.ColorFilter, base.settings.colorFilter.value);
float x = base.settings.hueShift.value / 360f;
float y = base.settings.saturation.value / 100f + 1f;
float z = base.settings.contrast.value / 100f + 1f;
propertySheet.properties.SetVector(ShaderIDs.HueSatCon, new Vector3(x, y, z));
Vector3 a = new Vector3(base.settings.mixerRedOutRedIn, base.settings.mixerRedOutGreenIn, base.settings.mixerRedOutBlueIn);
Vector3 a2 = new Vector3(base.settings.mixerGreenOutRedIn, base.settings.mixerGreenOutGreenIn, base.settings.mixerGreenOutBlueIn);
Vector3 a3 = new Vector3(base.settings.mixerBlueOutRedIn, base.settings.mixerBlueOutGreenIn, base.settings.mixerBlueOutBlueIn);
propertySheet.properties.SetVector(ShaderIDs.ChannelMixerRed, a / 100f);
propertySheet.properties.SetVector(ShaderIDs.ChannelMixerGreen, a2 / 100f);
propertySheet.properties.SetVector(ShaderIDs.ChannelMixerBlue, a3 / 100f);
Vector3 v2 = ColorUtilities.ColorToLift(base.settings.lift.value * 0.2f);
Vector3 v3 = ColorUtilities.ColorToGain(base.settings.gain.value * 0.8f);
Vector3 v4 = ColorUtilities.ColorToInverseGamma(base.settings.gamma.value * 0.8f);
propertySheet.properties.SetVector(ShaderIDs.Lift, v2);
propertySheet.properties.SetVector(ShaderIDs.InvGamma, v4);
propertySheet.properties.SetVector(ShaderIDs.Gain, v3);
propertySheet.properties.SetTexture(ShaderIDs.Curves, GetCurveTexture(hdr: true));
switch (base.settings.tonemapper.value)
{
case Tonemapper.Custom:
propertySheet.EnableKeyword("TONEMAPPING_CUSTOM");
m_HableCurve.Init(base.settings.toneCurveToeStrength.value, base.settings.toneCurveToeLength.value, base.settings.toneCurveShoulderStrength.value, base.settings.toneCurveShoulderLength.value, base.settings.toneCurveShoulderAngle.value, base.settings.toneCurveGamma.value);
propertySheet.properties.SetVector(ShaderIDs.CustomToneCurve, m_HableCurve.uniforms.curve);
propertySheet.properties.SetVector(ShaderIDs.ToeSegmentA, m_HableCurve.uniforms.toeSegmentA);
propertySheet.properties.SetVector(ShaderIDs.ToeSegmentB, m_HableCurve.uniforms.toeSegmentB);
propertySheet.properties.SetVector(ShaderIDs.MidSegmentA, m_HableCurve.uniforms.midSegmentA);
propertySheet.properties.SetVector(ShaderIDs.MidSegmentB, m_HableCurve.uniforms.midSegmentB);
propertySheet.properties.SetVector(ShaderIDs.ShoSegmentA, m_HableCurve.uniforms.shoSegmentA);
propertySheet.properties.SetVector(ShaderIDs.ShoSegmentB, m_HableCurve.uniforms.shoSegmentB);
break;
case Tonemapper.ACES:
propertySheet.EnableKeyword("TONEMAPPING_ACES");
break;
case Tonemapper.Neutral:
propertySheet.EnableKeyword("TONEMAPPING_NEUTRAL");
break;
}
context.command.BeginSample("HdrColorGradingLut2D");
context.command.BlitFullscreenTriangle(BuiltinRenderTextureType.None, m_InternalLdrLut, propertySheet, 2);
context.command.EndSample("HdrColorGradingLut2D");
RenderTexture internalLdrLut = m_InternalLdrLut;
PropertySheet uberSheet = context.uberSheet;
uberSheet.EnableKeyword("COLOR_GRADING_HDR_2D");
uberSheet.properties.SetVector(ShaderIDs.Lut2D_Params, new Vector3(1f / (float)internalLdrLut.width, 1f / (float)internalLdrLut.height, (float)internalLdrLut.height - 1f));
uberSheet.properties.SetTexture(ShaderIDs.Lut2D, internalLdrLut);
uberSheet.properties.SetFloat(ShaderIDs.PostExposure, RuntimeUtilities.Exp2(base.settings.postExposure.value));
}