public void DoGUI(Rect rect, bool log, HistogramMode mode)
{
if (m_RT != null)
{
GUI.DrawTexture(rect, m_RT);
}
}
private void ChangeBarStyling(HistogramMode histogramBarMode)
{
var brushConverter = new BrushConverter();
var askBrush = ((SolidColorBrush)brushConverter.ConvertFrom("#7052CC54"));
var bidBrush = ((SolidColorBrush)brushConverter.ConvertFrom("#D0E26565"));
switch (histogramBarMode)
{
case HistogramMode.VolumeLadder:
AskStroke = new SolidColorBrush(Colors.White)
{
Opacity = 0.8
};
AskFill = askBrush;
BidStroke = new SolidColorBrush(Colors.White)
{
Opacity = 0.8
};
BidFill = bidBrush;
break;
case HistogramMode.CumulativeVolume:
AskStroke = new SolidColorBrush(Colors.Crimson)
{
Opacity = 0.8
};
AskFill = new SolidColorBrush(Colors.Crimson)
{
Opacity = 0.6
};
BidStroke = new SolidColorBrush(Colors.LimeGreen)
{
Opacity = 0.8
};
BidFill = new SolidColorBrush(Colors.LimeGreen)
{
Opacity = 0.6
};
break;
case HistogramMode.MarketProfile:
AskStroke = askBrush;
AskFill = askBrush;
BidStroke = bidBrush;
BidFill = bidBrush;
break;
}
}
public void DoGUI(Rect rect, bool log, HistogramMode mode)
{
if (mode == HistogramMode.RGB)
{
DoGUIrgb(rect, log);
}
else
{
DoGUImono(rect, log, mode);
}
}
public static void AllocateHistogramData(int histogramBucketCount, HistogramMode mode, out HistogramData data)
{
data = new HistogramData();
data.bucketCount = histogramBucketCount;
data.mode = mode;
data.histogram = new ComputeBuffer(histogramBucketCount, sizeof(uint) * 4, ComputeBufferType.Structured);
data.histogramData = new ComputeBuffer(1, sizeof(uint) * 2, ComputeBufferType.Structured);
data.previewMaterial = new Material(Shader.Find("Hidden/HistogramPreview"))
{
hideFlags = HideFlags.HideAndDontSave
};
_dataCount++;
}
public void Update(RenderTexture source, Rect rect, bool log, HistogramMode mode)
{
if (m_Material == null)
{
m_Material = new Material(m_Shader);
m_Material.hideFlags = HideFlags.HideAndDontSave;
}
if (m_Buffer == null)
{
m_Buffer = new ComputeBuffer(256, sizeof(uint) << 2);
}
m_Buffer.SetData(new uint[256 << 2]);
ComputeShader cs = m_ComputeShader;
int kernel = cs.FindKernel("KHistogram");
cs.SetBuffer(kernel, "_Histogram", m_Buffer);
cs.SetTexture(kernel, "_Source", source);
cs.SetInt("_IsLinear", (QualitySettings.activeColorSpace == ColorSpace.Linear) ? 1 : 0);
cs.Dispatch(kernel, source.width >> 4, source.height >> 4, 1);
kernel = cs.FindKernel(log ? "KScale_Log" : "KScale");
cs.SetBuffer(kernel, "_Histogram", m_Buffer);
cs.SetFloat("_Height", rect.height);
cs.Dispatch(kernel, 1, 1, 1);
if (m_RT == null || m_RT.height != rect.height || m_RT.width != rect.width)
{
DestroyImmediate(m_RT);
m_RT = new RenderTexture((int)rect.width, (int)rect.height, 0, RenderTextureFormat.ARGB32);
m_RT.hideFlags = HideFlags.HideAndDontSave;
}
m_Material.SetBuffer("_Histogram", m_Buffer);
m_Material.SetVector("_Size", new Vector2(m_RT.width, m_RT.height));
m_Material.SetColor("_ColorR", s_RedCurveColor);
m_Material.SetColor("_ColorG", s_GreenCurveColor);
m_Material.SetColor("_ColorB", s_BlueCurveColor);
m_Material.SetColor("_ColorL", s_MasterCurveColor);
m_Material.SetInt("_Channel", (int)mode);
Graphics.Blit(m_RT, m_RT, m_Material, (mode == HistogramMode.RGB) ? 1 : 0);
}
void UpdateHistogram(RenderTexture source, Rect rect, HistogramMode mode)
{
if (m_HistogramMaterial == null)
{
m_HistogramMaterial = ImageEffectHelper.CheckShaderAndCreateMaterial(concreteTarget.histogramShader);
}
if (m_HistogramBuffer == null)
{
m_HistogramBuffer = new ComputeBuffer(256, sizeof(uint) << 2);
}
m_HistogramBuffer.SetData(k_EmptyBuffer);
ComputeShader cs = concreteTarget.histogramComputeShader;
int kernel = cs.FindKernel("KHistogramGather");
cs.SetBuffer(kernel, "_Histogram", m_HistogramBuffer);
cs.SetTexture(kernel, "_Source", source);
cs.SetVector("_SourceSize", new Vector2(source.width, source.height));
cs.SetInt("_IsLinear", concreteTarget.isGammaColorSpace ? 0 : 1);
cs.Dispatch(kernel, Mathf.CeilToInt(source.width / 32f), Mathf.CeilToInt(source.height / 32f), 1);
kernel = cs.FindKernel("KHistogramScale");
cs.SetBuffer(kernel, "_Histogram", m_HistogramBuffer);
cs.SetFloat("_Height", rect.height);
cs.Dispatch(kernel, 1, 1, 1);
if (m_HistogramTexture == null || m_HistogramTexture.height != rect.height || m_HistogramTexture.width != rect.width)
{
DestroyImmediate(m_HistogramTexture);
m_HistogramTexture = new RenderTexture((int)rect.width, (int)rect.height, 0, RenderTextureFormat.ARGB32);
m_HistogramTexture.hideFlags = HideFlags.HideAndDontSave;
}
m_HistogramMaterial.SetBuffer("_Histogram", m_HistogramBuffer);
m_HistogramMaterial.SetVector("_Size", new Vector2(m_HistogramTexture.width, m_HistogramTexture.height));
m_HistogramMaterial.SetColor("_ColorR", redCurveColor);
m_HistogramMaterial.SetColor("_ColorG", greenCurveColor);
m_HistogramMaterial.SetColor("_ColorB", blueCurveColor);
m_HistogramMaterial.SetColor("_ColorL", masterCurveColor);
m_HistogramMaterial.SetInt("_Channel", (int)mode);
Graphics.Blit(m_HistogramTexture, m_HistogramTexture, m_HistogramMaterial, (mode == HistogramMode.RGB) ? 1 : 0);
}
public override void OnPreviewGUI(Rect r, GUIStyle background)
{
serializedObject.Update();
if (Event.current.type == EventType.Repaint)
{
// If m_HistogramRect isn't set the preview was just opened so refresh the render to get the histogram data
if (m_HistogramRect.width == 0 && m_HistogramRect.height == 0)
{
InternalEditorUtility.RepaintAllViews();
}
// Sizing
float width = Mathf.Min(512f, r.width);
float height = Mathf.Min(128f, r.height);
m_HistogramRect = new Rect(
Mathf.Floor(r.x + r.width / 2f - width / 2f),
Mathf.Floor(r.y + r.height / 2f - height / 2f),
width, height
);
if (m_HistogramTexture != null)
{
GUI.DrawTexture(m_HistogramRect, m_HistogramTexture);
}
}
// Toolbar
GUILayout.BeginHorizontal();
EditorGUI.BeginChangeCheck();
{
concreteTarget.histogramRefreshOnPlay = GUILayout.Toggle(concreteTarget.histogramRefreshOnPlay, new GUIContent("Refresh on Play", "Keep refreshing the histogram in play mode; this may impact performances."), EditorStyles.miniButton);
GUILayout.FlexibleSpace();
m_HistogramMode = (HistogramMode)EditorGUILayout.EnumPopup(m_HistogramMode);
}
GUILayout.EndHorizontal();
serializedObject.ApplyModifiedProperties();
if (EditorGUI.EndChangeCheck())
{
InternalEditorUtility.RepaintAllViews();
}
}
public override void OnPreviewGUI(Rect r, GUIStyle background)
{
serializedObject.Update();
if (Event.current.type == EventType.Repaint)
{
// If m_HistogramRect isn't set the preview was just opened so refresh the render to get the histogram data
if (m_HistogramRect.width == 0 && m_HistogramRect.height == 0)
{
InternalEditorUtility.RepaintAllViews();
}
// Sizing
float width = Mathf.Min(512f, r.width);
float height = Mathf.Min(128f, r.height);
m_HistogramRect = new Rect(
Mathf.Floor(r.x + r.width / 2f - width / 2f),
Mathf.Floor(r.y + r.height / 2f - height / 2f),
width, height
);
histogram.DoGUI(m_HistogramRect, m_LogHistogram, m_HistogramMode);
}
// Toolbar
GUILayout.BeginHorizontal();
EditorGUI.BeginChangeCheck();
{
concreteTarget.debugClamp = GUILayout.Toggle(concreteTarget.debugClamp, new GUIContent("Clipping", "Turns all overexposed pixels pink in the game view"), EditorStyles.miniButtonLeft);
m_LogHistogram = GUILayout.Toggle(m_LogHistogram, new GUIContent("Log", "Logarithmic histogram"), EditorStyles.miniButtonMid);
m_RefreshHistogramOnPlay = GUILayout.Toggle(m_RefreshHistogramOnPlay, new GUIContent("Refresh on Play", "Keep refreshing the histogram in play mode; this will impact performances"), EditorStyles.miniButtonRight);
GUILayout.FlexibleSpace();
m_HistogramMode = (HistogramMode)EditorGUILayout.EnumPopup(m_HistogramMode);
}
GUILayout.EndHorizontal();
serializedObject.ApplyModifiedProperties();
if (EditorGUI.EndChangeCheck())
{
InternalEditorUtility.RepaintAllViews();
}
}
public override void OnPreviewGUI(Rect r, GUIStyle background)
{
serializedObject.Update();
if (Event.current.type == EventType.Repaint)
{
// If m_HistogramRect isn't set the preview was just opened so refresh the render to get the histogram data
if (m_HistogramRect.width == 0 && m_HistogramRect.height == 0)
InternalEditorUtility.RepaintAllViews();
// Sizing
float width = Mathf.Min(512f, r.width);
float height = Mathf.Min(128f, r.height);
m_HistogramRect = new Rect(
Mathf.Floor(r.x + r.width / 2f - width / 2f),
Mathf.Floor(r.y + r.height / 2f - height / 2f),
width, height
);
histogram.DoGUI(m_HistogramRect, m_LogHistogram, m_HistogramMode);
}
// Toolbar
GUILayout.BeginHorizontal();
EditorGUI.BeginChangeCheck();
{
concreteTarget.debugClamp = GUILayout.Toggle(concreteTarget.debugClamp, new GUIContent("Clipping", "Turns all overexposed pixels pink in the game view"), EditorStyles.miniButtonLeft);
m_LogHistogram = GUILayout.Toggle(m_LogHistogram, new GUIContent("Log", "Logarithmic histogram"), EditorStyles.miniButtonMid);
m_RefreshHistogramOnPlay = GUILayout.Toggle(m_RefreshHistogramOnPlay, new GUIContent("Refresh on Play", "Keep refreshing the histogram in play mode; this will impact performances"), EditorStyles.miniButtonRight);
GUILayout.FlexibleSpace();
m_HistogramMode = (HistogramMode)EditorGUILayout.EnumPopup(m_HistogramMode);
}
GUILayout.EndHorizontal();
serializedObject.ApplyModifiedProperties();
if (EditorGUI.EndChangeCheck())
InternalEditorUtility.RepaintAllViews();
}
void DoGUImono(Rect rect, bool log, HistogramMode mode)
{
// Scale histogram values
int[] scaledHistogram = new int[256];
int max = 0;
for (int i = 0; i < 256; i++)
max = (max < m_Histogram[i]) ? m_Histogram[i] : max;
scaledHistogram = new int[256];
if (log)
{
float factor = rect.height / Mathf.Log10(max);
for (int i = 0; i < 256; i++)
scaledHistogram[i] = (m_Histogram[i] == 0) ? 0 : Mathf.Max(Mathf.RoundToInt(Mathf.Log10(m_Histogram[i]) * factor), 1);
}
else
{
float factor = rect.height / max;
for (int i = 0; i < 256; i++)
scaledHistogram[i] = Mathf.Max(Mathf.RoundToInt(m_Histogram[i] * factor), 1);
}
// Color
if (mode == HistogramMode.Red)
Handles.color = s_RedCurveColor;
else if (mode == HistogramMode.Green)
Handles.color = s_GreenCurveColor;
else if (mode == HistogramMode.Blue)
Handles.color = s_BlueCurveColor;
else
Handles.color = s_MasterCurveColor;
// Base line
Vector2 p1 = new Vector2(rect.x - 1, rect.yMax);
Vector2 p2 = new Vector2(rect.xMax - 1, rect.yMax);
Handles.DrawLine(p1, p2);
// Histogram
for (int i = 0; i < (int)rect.width; i++)
{
float remapI = (float)i / rect.width * 255f;
int index = Mathf.FloorToInt(remapI);
float fract = remapI - (float)index;
float v1 = scaledHistogram[index];
float v2 = scaledHistogram[Mathf.Min(index + 1, 255)];
float h = v1 * (1.0f - fract) + v2 * fract;
Handles.DrawLine(
new Vector2(rect.x + i, rect.yMax),
new Vector2(rect.x + i, rect.yMin + (rect.height - h))
);
}
}
void UpdateHistogram(RenderTexture source, Rect rect, HistogramMode mode)
{
if (m_HistogramMaterial == null)
m_HistogramMaterial = ImageEffectHelper.CheckShaderAndCreateMaterial(concreteTarget.histogramShader);
if (m_HistogramBuffer == null)
m_HistogramBuffer = new ComputeBuffer(256, sizeof(uint) << 2);
m_HistogramBuffer.SetData(k_EmptyBuffer);
ComputeShader cs = concreteTarget.histogramComputeShader;
int kernel = cs.FindKernel("KHistogramGather");
cs.SetBuffer(kernel, "_Histogram", m_HistogramBuffer);
cs.SetTexture(kernel, "_Source", source);
cs.SetVector("_SourceSize", new Vector2(source.width, source.height));
cs.SetInt("_IsLinear", concreteTarget.isGammaColorSpace ? 0 : 1);
cs.Dispatch(kernel, Mathf.CeilToInt(source.width / 16f), Mathf.CeilToInt(source.height / 16f), 1);
kernel = cs.FindKernel("KHistogramScale");
cs.SetBuffer(kernel, "_Histogram", m_HistogramBuffer);
cs.SetFloat("_Height", rect.height);
cs.Dispatch(kernel, 1, 1, 1);
if (m_HistogramTexture == null || m_HistogramTexture.height != rect.height || m_HistogramTexture.width != rect.width)
{
DestroyImmediate(m_HistogramTexture);
m_HistogramTexture = new RenderTexture((int)rect.width, (int)rect.height, 0, RenderTextureFormat.ARGB32);
m_HistogramTexture.hideFlags = HideFlags.HideAndDontSave;
}
m_HistogramMaterial.SetBuffer("_Histogram", m_HistogramBuffer);
m_HistogramMaterial.SetVector("_Size", new Vector2(m_HistogramTexture.width, m_HistogramTexture.height));
m_HistogramMaterial.SetColor("_ColorR", redCurveColor);
m_HistogramMaterial.SetColor("_ColorG", greenCurveColor);
m_HistogramMaterial.SetColor("_ColorB", blueCurveColor);
m_HistogramMaterial.SetColor("_ColorL", masterCurveColor);
m_HistogramMaterial.SetInt("_Channel", (int)mode);
Graphics.Blit(m_HistogramTexture, m_HistogramTexture, m_HistogramMaterial, (mode == HistogramMode.RGB) ? 1 : 0);
}
public override void OnPreviewGUI(Rect r, GUIStyle background)
{
serializedObject.Update();
if (Event.current.type == EventType.Repaint)
{
// If m_HistogramRect isn't set the preview was just opened so refresh the render to get the histogram data
if (m_HistogramRect.width == 0 && m_HistogramRect.height == 0)
InternalEditorUtility.RepaintAllViews();
// Sizing
float width = Mathf.Min(512f, r.width);
float height = Mathf.Min(128f, r.height);
m_HistogramRect = new Rect(
Mathf.Floor(r.x + r.width / 2f - width / 2f),
Mathf.Floor(r.y + r.height / 2f - height / 2f),
width, height
);
if (m_HistogramTexture != null)
GUI.DrawTexture(m_HistogramRect, m_HistogramTexture);
}
// Toolbar
GUILayout.BeginHorizontal();
EditorGUI.BeginChangeCheck();
{
concreteTarget.histogramRefreshOnPlay = GUILayout.Toggle(concreteTarget.histogramRefreshOnPlay, new GUIContent("Refresh on Play", "Keep refreshing the histogram in play mode; this may impact performances."), EditorStyles.miniButton);
GUILayout.FlexibleSpace();
m_HistogramMode = (HistogramMode)EditorGUILayout.EnumPopup(m_HistogramMode);
}
GUILayout.EndHorizontal();
serializedObject.ApplyModifiedProperties();
if (EditorGUI.EndChangeCheck())
InternalEditorUtility.RepaintAllViews();
}
public void Update(RenderTexture source, Rect rect, bool log, HistogramMode mode)
{
if (m_TempTexture == null || m_TempTexture.height != source.height || m_TempTexture.width != source.width)
{
DestroyImmediate(m_TempTexture);
m_TempTexture = new Texture2D(source.width, source.height, TextureFormat.RGB24, false);
m_TempTexture.anisoLevel = 0;
m_TempTexture.wrapMode = TextureWrapMode.Clamp;
m_TempTexture.filterMode = FilterMode.Bilinear;
m_TempTexture.hideFlags = HideFlags.HideAndDontSave;
}
// Grab the screen content for the camera
RenderTexture.active = source;
m_TempTexture.ReadPixels(new Rect(0, 0, source.width, source.height), 0, 0, false);
m_TempTexture.Apply();
RenderTexture.active = null;
// Raw histogram
Color[] pixels = m_TempTexture.GetPixels();
switch (mode)
{
case HistogramMode.Luminance:
Array.Clear(m_Histogram, 0, 256);
for (int i = 0; i < pixels.Length; i++)
{
Color c = pixels[i];
m_Histogram[(int)((c.r * 0.2125f + c.g * 0.7154f + c.b * 0.0721f) * 255)]++;
}
break;
case HistogramMode.RGB:
Array.Clear(m_HistogramRGB, 0, 256 * 3);
for (int i = 0; i < pixels.Length; i++)
{
Color c = pixels[i];
m_HistogramRGB[(int)(c.r * 255)]++;
m_HistogramRGB[(int)(c.g * 255) + 256]++;
m_HistogramRGB[(int)(c.b * 255) + 512]++;
}
break;
case HistogramMode.Red:
Array.Clear(m_Histogram, 0, 256);
for (int i = 0; i < pixels.Length; i++)
m_Histogram[(int)(pixels[i].r * 255)]++;
break;
case HistogramMode.Green:
Array.Clear(m_Histogram, 0, 256);
for (int i = 0; i < pixels.Length; i++)
m_Histogram[(int)(pixels[i].g * 255)]++;
break;
case HistogramMode.Blue:
Array.Clear(m_Histogram, 0, 256);
for (int i = 0; i < pixels.Length; i++)
m_Histogram[(int)(pixels[i].b * 255)]++;
break;
}
}
public void Update(RenderTexture source, Rect rect, bool log, HistogramMode mode)
{
if (m_TempTexture == null || m_TempTexture.height != source.height || m_TempTexture.width != source.width)
{
DestroyImmediate(m_TempTexture);
m_TempTexture = new Texture2D(source.width, source.height, TextureFormat.RGB24, false);
m_TempTexture.anisoLevel = 0;
m_TempTexture.wrapMode = TextureWrapMode.Clamp;
m_TempTexture.filterMode = FilterMode.Bilinear;
m_TempTexture.hideFlags = HideFlags.HideAndDontSave;
}
// Grab the screen content for the camera
RenderTexture.active = source;
m_TempTexture.ReadPixels(new Rect(0, 0, source.width, source.height), 0, 0, false);
m_TempTexture.Apply();
RenderTexture.active = null;
// Raw histogram
Color[] pixels = m_TempTexture.GetPixels();
switch (mode)
{
case HistogramMode.Luminance:
Array.Clear(m_Histogram, 0, 256);
for (int i = 0; i < pixels.Length; i++)
{
Color c = pixels[i];
m_Histogram[(int)((c.r * 0.2125f + c.g * 0.7154f + c.b * 0.0721f) * 255)]++;
}
break;
case HistogramMode.RGB:
Array.Clear(m_HistogramRGB, 0, 256 * 3);
for (int i = 0; i < pixels.Length; i++)
{
Color c = pixels[i];
m_HistogramRGB[(int)(c.r * 255)]++;
m_HistogramRGB[(int)(c.g * 255) + 256]++;
m_HistogramRGB[(int)(c.b * 255) + 512]++;
}
break;
case HistogramMode.Red:
Array.Clear(m_Histogram, 0, 256);
for (int i = 0; i < pixels.Length; i++)
{
m_Histogram[(int)(pixels[i].r * 255)]++;
}
break;
case HistogramMode.Green:
Array.Clear(m_Histogram, 0, 256);
for (int i = 0; i < pixels.Length; i++)
{
m_Histogram[(int)(pixels[i].g * 255)]++;
}
break;
case HistogramMode.Blue:
Array.Clear(m_Histogram, 0, 256);
for (int i = 0; i < pixels.Length; i++)
{
m_Histogram[(int)(pixels[i].b * 255)]++;
}
break;
}
}
void DoGUImono(Rect rect, bool log, HistogramMode mode)
{
// Scale histogram values
int[] scaledHistogram = new int[256];
int max = 0;
for (int i = 0; i < 256; i++)
{
max = (max < m_Histogram[i]) ? m_Histogram[i] : max;
}
scaledHistogram = new int[256];
if (log)
{
float factor = rect.height / Mathf.Log10(max);
for (int i = 0; i < 256; i++)
{
scaledHistogram[i] = (m_Histogram[i] == 0) ? 0 : Mathf.Max(Mathf.RoundToInt(Mathf.Log10(m_Histogram[i]) * factor), 1);
}
}
else
{
float factor = rect.height / max;
for (int i = 0; i < 256; i++)
{
scaledHistogram[i] = Mathf.Max(Mathf.RoundToInt(m_Histogram[i] * factor), 1);
}
}
// Color
if (mode == HistogramMode.Red)
{
Handles.color = s_RedCurveColor;
}
else if (mode == HistogramMode.Green)
{
Handles.color = s_GreenCurveColor;
}
else if (mode == HistogramMode.Blue)
{
Handles.color = s_BlueCurveColor;
}
else
{
Handles.color = s_MasterCurveColor;
}
// Base line
Vector2 p1 = new Vector2(rect.x - 1, rect.yMax);
Vector2 p2 = new Vector2(rect.xMax - 1, rect.yMax);
Handles.DrawLine(p1, p2);
// Histogram
for (int i = 0; i < (int)rect.width; i++)
{
float remapI = (float)i / rect.width * 255f;
int index = Mathf.FloorToInt(remapI);
float fract = remapI - (float)index;
float v1 = scaledHistogram[index];
float v2 = scaledHistogram[Mathf.Min(index + 1, 255)];
float h = v1 * (1.0f - fract) + v2 * fract;
Handles.DrawLine(
new Vector2(rect.x + i, rect.yMax),
new Vector2(rect.x + i, rect.yMin + (rect.height - h))
);
}
}
public void DoGUI(Rect rect, bool log, HistogramMode mode)
{
if (mode == HistogramMode.RGB)
DoGUIrgb(rect, log);
else
DoGUImono(rect, log, mode);
}
public Style OverrideBarStyle(IRenderableSeries rSeries, double value, BidOrAsk barType, HistogramMode histogramMode)
{
Style barStyle = null;
if (histogramMode == HistogramMode.VolumeLadder)
{
if (value >= VolumeThreshold)
{
barStyle = OverriddenBarStyle;
}
}
return(barStyle);
}
public void Update(RenderTexture source, Rect rect, bool log, HistogramMode mode)
{
if (m_Material == null)
{
m_Material = new Material(m_Shader);
m_Material.hideFlags = HideFlags.HideAndDontSave;
}
if (m_Buffer == null)
m_Buffer = new ComputeBuffer(256, sizeof(uint) << 2);
m_Buffer.SetData(new uint[256 << 2]);
ComputeShader cs = m_ComputeShader;
int kernel = cs.FindKernel("KHistogram");
cs.SetBuffer(kernel, "_Histogram", m_Buffer);
cs.SetTexture(kernel, "_Source", source);
cs.SetInt("_IsLinear", (QualitySettings.activeColorSpace == ColorSpace.Linear) ? 1 : 0);
cs.Dispatch(kernel, source.width >> 4, source.height >> 4, 1);
kernel = cs.FindKernel(log ? "KScale_Log" : "KScale");
cs.SetBuffer(kernel, "_Histogram", m_Buffer);
cs.SetFloat("_Height", rect.height);
cs.Dispatch(kernel, 1, 1, 1);
if (m_RT == null || m_RT.height != rect.height || m_RT.width != rect.width)
{
DestroyImmediate(m_RT);
m_RT = new RenderTexture((int)rect.width, (int)rect.height, 0, RenderTextureFormat.ARGB32);
m_RT.hideFlags = HideFlags.HideAndDontSave;
}
m_Material.SetBuffer("_Histogram", m_Buffer);
m_Material.SetVector("_Size", new Vector2(m_RT.width, m_RT.height));
m_Material.SetColor("_ColorR", s_RedCurveColor);
m_Material.SetColor("_ColorG", s_GreenCurveColor);
m_Material.SetColor("_ColorB", s_BlueCurveColor);
m_Material.SetColor("_ColorL", s_MasterCurveColor);
m_Material.SetInt("_Channel", (int)mode);
Graphics.Blit(m_RT, m_RT, m_Material, (mode == HistogramMode.RGB) ? 1 : 0);
}
public void DoGUI(Rect rect, bool log, HistogramMode mode)
{
if (m_RT != null)
GUI.DrawTexture(rect, m_RT);
}
