public void DrawTexture(TextureStylePainterParameters painterParams)
{
Rect screenRect = painterParams.rect;
Rect sourceRect = painterParams.uv != Rect.zero ? painterParams.uv : new Rect(0, 0, 1, 1);
Texture texture = painterParams.texture;
Color color = painterParams.color * UIElementsUtility.editorPlayModeTintColor;
ScaleMode scaleMode = painterParams.scaleMode;
int sliceLeft = painterParams.sliceLeft;
int sliceTop = painterParams.sliceTop;
int sliceRight = painterParams.sliceRight;
int sliceBottom = painterParams.sliceBottom;
bool usePremultiplyAlpha = painterParams.usePremultiplyAlpha;
Rect textureRect = screenRect;
// Comparing aspects ratio is error-prone because the <c>screenRect</c> may end up being scaled by the
// transform and the corners will end up being pixel aligned, possibly resulting in blurriness.
float srcAspect = (texture.width * sourceRect.width) / (texture.height * sourceRect.height);
float destAspect = screenRect.width / screenRect.height;
switch (scaleMode)
{
case ScaleMode.StretchToFill:
break;
case ScaleMode.ScaleAndCrop:
if (destAspect > srcAspect)
{
float stretch = sourceRect.height * (srcAspect / destAspect);
float crop = (sourceRect.height - stretch) * 0.5f;
sourceRect = new Rect(sourceRect.x, sourceRect.y + crop, sourceRect.width, stretch);
}
else
{
float stretch = sourceRect.width * (destAspect / srcAspect);
float crop = (sourceRect.width - stretch) * 0.5f;
sourceRect = new Rect(sourceRect.x + crop, sourceRect.y, stretch, sourceRect.height);
}
break;
case ScaleMode.ScaleToFit:
if (destAspect > srcAspect)
{
float stretch = srcAspect / destAspect;
textureRect = new Rect(screenRect.xMin + screenRect.width * (1.0f - stretch) * .5f, screenRect.yMin, stretch * screenRect.width, screenRect.height);
}
else
{
float stretch = destAspect / srcAspect;
textureRect = new Rect(screenRect.xMin, screenRect.yMin + screenRect.height * (1.0f - stretch) * .5f, screenRect.width, stretch * screenRect.height);
}
break;
}
var borderWidths = painterParams.border.GetWidths();
var borderRadiuses = painterParams.border.GetRadiuses();
DrawTexture(textureRect, texture, sourceRect, color * m_OpacityColor, borderWidths, borderRadiuses, sliceLeft, sliceTop, sliceRight, sliceBottom, usePremultiplyAlpha);
}
internal static void DrawBackground(this IStylePainter painter, VisualElement ve)
{
IStyle style = ve.style;
if (style.backgroundColor != Color.clear)
{
RectStylePainterParameters defaultRectParameters = painter.GetDefaultRectParameters(ve);
defaultRectParameters.border.SetWidth(0f);
painter.DrawRect(defaultRectParameters);
}
if (style.backgroundImage.value != null)
{
TextureStylePainterParameters defaultTextureParameters = painter.GetDefaultTextureParameters(ve);
defaultTextureParameters.border.SetWidth(0f);
painter.DrawTexture(defaultTextureParameters);
}
}
internal override void DoRepaint(IStylePainter painter)
{
if (this.image == null)
{
Debug.LogWarning("null texture passed to GUI.DrawTexture");
}
else
{
TextureStylePainterParameters painterParams = new TextureStylePainterParameters
{
layout = base.contentRect,
texture = this.image,
color = GUI.color,
scaleMode = this.scaleMode
};
painter.DrawTexture(painterParams);
}
}
public void DrawBackground()
{
IStyle style = currentElement.style;
if (style.backgroundColor != Color.clear)
{
var painterParams = RectStylePainterParameters.GetDefault(currentElement);
painterParams.border.SetWidth(0.0f);
DrawRect(painterParams);
}
if (style.backgroundImage.value != null)
{
var painterParams = TextureStylePainterParameters.GetDefault(currentElement);
painterParams.border.SetWidth(0.0f);
DrawTexture(painterParams);
}
}
public static TextureStylePainterParameters GetDefault(VisualElement ve)
{
IStyle style = ve.style;
var painterParams = new TextureStylePainterParameters
{
rect = GUIUtility.AlignRectToDevice(ve.rect),
uv = new Rect(0, 0, 1, 1),
color = (Color)Color.white,
texture = style.backgroundImage,
scaleMode = style.backgroundScaleMode,
sliceLeft = style.sliceLeft,
sliceTop = style.sliceTop,
sliceRight = style.sliceRight,
sliceBottom = style.sliceBottom
};
BorderParameters.SetFromStyle(ref painterParams.border, style);
return(painterParams);
}
internal static TextureStylePainterParameters GetDefaultTextureParameters(this IStylePainter painter, VisualElement ve)
{
IStyle style = ve.style;
TextureStylePainterParameters result = new TextureStylePainterParameters
{
rect = ve.rect,
uv = new Rect(0f, 0f, 1f, 1f),
color = Color.white,
texture = style.backgroundImage,
scaleMode = style.backgroundSize,
sliceLeft = style.sliceLeft,
sliceTop = style.sliceTop,
sliceRight = style.sliceRight,
sliceBottom = style.sliceBottom
};
painter.SetBorderFromStyle(ref result.border, style);
return(result);
}
protected override void DoRepaint(IStylePainter painter)
{
Texture current = image.GetSpecifiedValueOrDefault(null);
if (current == null)
{
return;
}
var painterParams = new TextureStylePainterParameters
{
rect = contentRect,
uv = uv,
texture = current,
color = GUI.color,
scaleMode = scaleMode
};
var stylePainter = (IStylePainterInternal)painter;
stylePainter.DrawTexture(painterParams);
}
public static TextureStylePainterParameters GetDefault(VisualElement ve)
{
IStyle style = ve.style;
var painterParams = new TextureStylePainterParameters
{
rect = GUIUtility.AlignRectToDevice(ve.rect),
uv = new Rect(0, 0, 1, 1),
// When the background color is not clear, we have to embed it into the texture...
// whereas if the color is clear, the white color is used...
color = (style.backgroundColor != Color.clear) ? (Color)style.backgroundColor : (Color)Color.white,
texture = style.backgroundImage,
scaleMode = style.backgroundScaleMode,
sliceLeft = style.sliceLeft,
sliceTop = style.sliceTop,
sliceRight = style.sliceRight,
sliceBottom = style.sliceBottom
};
BorderParameters.SetFromStyle(ref painterParams.border, style);
return(painterParams);
}
internal override void DoRepaint(IStylePainter painter)
{
base.DoRepaint(painter);
Texture specifiedValueOrDefault = this.image.GetSpecifiedValueOrDefault(null);
if (specifiedValueOrDefault == null)
{
Debug.LogWarning("null texture passed to GUI.DrawTexture");
}
else
{
TextureStylePainterParameters painterParams = new TextureStylePainterParameters
{
rect = base.contentRect,
uv = this.uv,
texture = specifiedValueOrDefault,
color = GUI.color,
scaleMode = this.scaleMode
};
painter.DrawTexture(painterParams);
}
}
internal override void DoRepaint(IStylePainter painter)
{
//we paint the bg color, borders, etc
base.DoRepaint(painter);
Texture current = image.GetSpecifiedValueOrDefault(null);
if (current == null)
{
Debug.LogWarning("null texture passed to GUI.DrawTexture");
return;
}
var painterParams = new TextureStylePainterParameters
{
rect = contentRect,
uv = uv,
texture = current,
color = GUI.color,
scaleMode = scaleMode
};
painter.DrawTexture(painterParams);
}
private void PaintSubTree(Event e, VisualElement root, Matrix4x4 offset, VisualElement.ClippingOptions clippingOption, Rect currentGlobalClip)
{
if (root == null || root.panel != this)
{
return;
}
if (root.visible == false ||
root.style.opacity.GetSpecifiedValueOrDefault(1.0f) < Mathf.Epsilon)
{
return;
}
// update clip
if (root.clippingOptions != VisualElement.ClippingOptions.NoClipping)
{
var worldBound = ComputeAAAlignedBound(root.rect, offset * root.worldTransform);
// are we and our children clipped?
if (!worldBound.Overlaps(currentGlobalClip))
{
return;
}
float x1 = Mathf.Max(worldBound.x, currentGlobalClip.x);
float x2 = Mathf.Min(worldBound.xMax, currentGlobalClip.xMax);
float y1 = Mathf.Max(worldBound.y, currentGlobalClip.y);
float y2 = Mathf.Min(worldBound.yMax, currentGlobalClip.yMax);
// new global clip and hierarchical clip space option.
currentGlobalClip = new Rect(x1, y1, x2 - x1, y2 - y1);
clippingOption = root.clippingOptions;
}
else
{
//since our children are not clipped, there is no early out.
}
// Check for the rotated space - clipping issue.
if (!whinedOnceAboutRotatedClipSpaceThisFrame && clippingOption == VisualElement.ClippingOptions.ClipContents && DoesMatrixHaveUnsupportedRotation(root.worldTransform))
{
Debug.LogError("Panel.PaintSubTree - Rotated clip-spaces are only supported by the VisualElement.ClippingOptions.ClipAndCacheContents mode. First offending Panel:'" + root.name + "'.");
whinedOnceAboutRotatedClipSpaceThisFrame = true;
}
if (ShouldUsePixelCache(root))
{
// now actually paint the texture to previous group
IStylePainter painter = stylePainter;
// validate cache texture size first
var worldBound = root.worldBound;
Rect alignedRect;
int textureWidth, textureHeight;
painter.currentWorldClip = currentGlobalClip;
painter.currentTransform = offset * root.worldTransform;
using (new GUIClip.ParentClipScope(painter.currentTransform, currentGlobalClip))
{
alignedRect = GUIUtility.AlignRectToDevice(root.rect, out textureWidth, out textureHeight);
}
// Prevent the texture size from going empty, which may occur if the element has a sub-pixel size
textureWidth = Math.Max(textureWidth, 1);
textureHeight = Math.Max(textureHeight, 1);
var cache = root.renderData.pixelCache;
if (cache != null &&
(cache.width != textureWidth || cache.height != textureHeight) &&
(!keepPixelCacheOnWorldBoundChange || root.IsDirty(ChangeType.Repaint)))
{
Object.DestroyImmediate(cache);
cache = root.renderData.pixelCache = null;
}
// if the child node world transforms are not up to date due to changes below the pixel cache this is fine.
if (root.IsDirty(ChangeType.Repaint) ||
root.renderData.pixelCache == null ||
!root.renderData.pixelCache.IsCreated())
{
// Recreate as needed
if (cache == null)
{
root.renderData.pixelCache = cache = new RenderTexture(
textureWidth,
textureHeight,
32, // depth
RenderTextureFormat.ARGB32,
RenderTextureReadWrite.sRGB);
}
bool hasRoundedBorderRects = (root.style.borderTopLeftRadius > 0 ||
root.style.borderTopRightRadius > 0 ||
root.style.borderBottomLeftRadius > 0 ||
root.style.borderBottomRightRadius > 0);
RenderTexture temporaryTexture = null;
var old = RenderTexture.active;
try
{
// We first render to a temp texture, then blit the result into the result pixelCache again to mask the rounder corners
if (hasRoundedBorderRects)
{
temporaryTexture = cache = RenderTexture.GetTemporary(textureWidth, textureHeight, 32,
RenderTextureFormat.ARGB32, RenderTextureReadWrite.sRGB);
}
// render the texture again to clip the round rect borders
RenderTexture.active = cache;
GL.Clear(true, true, new Color(0, 0, 0, 0));
// Calculate the offset required to translate the origin of the rect to the upper left corner
// of the pixel cache. We need to round because the rect will be rounded when rendered.
Rect worldAlignedRect = root.LocalToWorld(alignedRect);
var childrenOffset = Matrix4x4.Translate(new Vector3(-worldAlignedRect.x, -worldAlignedRect.y, 0));
Matrix4x4 offsetWorldTransform = childrenOffset * root.worldTransform;
// reset clipping
var textureClip = new Rect(0, 0, worldAlignedRect.width, worldAlignedRect.height);
painter.currentTransform = offsetWorldTransform;
// Metal ignores the sRGBWrite flag and will always do linear to gamma conversions
// when writing to an sRGB buffer. In this situation, we disable the manual sRGB
// conversion since it will be done automatically when writing to the framebuffer.
bool manualTex2SRGBEnabled = (SystemInfo.graphicsDeviceType != GraphicsDeviceType.Metal);
using (new GUIUtility.ManualTex2SRGBScope(manualTex2SRGBEnabled))
using (new GUIClip.ParentClipScope(painter.currentTransform, textureClip))
{
// Paint self
painter.currentWorldClip = textureClip;
stylePainter.opacity = root.style.opacity.GetSpecifiedValueOrDefault(1.0f);
root.DoRepaint(painter);
stylePainter.opacity = 1.0f;
root.ClearDirty(ChangeType.Repaint);
PaintSubTreeChildren(e, root, childrenOffset, clippingOption, textureClip);
}
if (hasRoundedBorderRects)
{
RenderTexture.active = root.renderData.pixelCache;
// Fix up transform for subtree to match texture upper left.
painter.currentTransform = Matrix4x4.identity;
using (new GUIUtility.ManualTex2SRGBScope(manualTex2SRGBEnabled))
using (new GUIClip.ParentClipScope(painter.currentTransform, textureClip))
{
GL.Clear(true, true, new Color(0, 0, 0, 0));
var textureParams = painter.GetDefaultTextureParameters(root);
textureParams.texture = cache;
textureParams.scaleMode = ScaleMode.StretchToFill;
textureParams.rect = textureClip;
textureParams.border.SetWidth(0.0f);
// The rect of the temporary texture implicitly carries the scale factor of the
// transform. Since we are blitting with an identity matrix, we need to scale the
// radius manually.
// We assume uniform positive scaling without rotations.
Vector4 toScale = new Vector4(1, 0, 0, 0);
Vector4 scaled = offsetWorldTransform * toScale;
float radiusScale = scaled.x;
textureParams.border.SetRadius(
textureParams.border.topLeftRadius * radiusScale,
textureParams.border.topRightRadius * radiusScale,
textureParams.border.bottomRightRadius * radiusScale,
textureParams.border.bottomLeftRadius * radiusScale);
// No border is drawn but the rounded corners are clipped properly.
// Use premultiply alpha to avoid blending again.
textureParams.usePremultiplyAlpha = true;
painter.DrawTexture(textureParams);
}
// Redraw the border (border was already drawn in first root.DoRepaint call).
painter.currentTransform = offsetWorldTransform;
using (new GUIUtility.ManualTex2SRGBScope(manualTex2SRGBEnabled))
using (new GUIClip.ParentClipScope(painter.currentTransform, textureClip))
{
painter.DrawBorder(root);
}
}
}
finally
{
cache = null;
if (temporaryTexture != null)
{
RenderTexture.ReleaseTemporary(temporaryTexture);
}
RenderTexture.active = old;
}
}
// now actually paint the texture to previous group
painter.currentWorldClip = currentGlobalClip;
painter.currentTransform = offset * root.worldTransform;
using (new GUIClip.ParentClipScope(painter.currentTransform, currentGlobalClip))
{
var painterParams = new TextureStylePainterParameters
{
rect = GUIUtility.AlignRectToDevice(root.rect),
uv = new Rect(0, 0, 1, 1),
texture = root.renderData.pixelCache,
color = Color.white,
scaleMode = ScaleMode.StretchToFill,
usePremultiplyAlpha = true
};
painter.DrawTexture(painterParams);
}
}
else
{
stylePainter.currentTransform = offset * root.worldTransform;
using (new GUIClip.ParentClipScope(stylePainter.currentTransform, currentGlobalClip))
{
stylePainter.currentWorldClip = currentGlobalClip;
stylePainter.mousePosition = root.worldTransform.inverse.MultiplyPoint3x4(e.mousePosition);
stylePainter.opacity = root.style.opacity.GetSpecifiedValueOrDefault(1.0f);
root.DoRepaint(stylePainter);
stylePainter.opacity = 1.0f;
root.ClearDirty(ChangeType.Repaint);
PaintSubTreeChildren(e, root, offset, clippingOption, currentGlobalClip);
}
}
}
private void PaintSubTree(Event e, VisualElement root, Matrix4x4 offset, Rect currentGlobalClip)
{
if (root != null && root.panel == this)
{
if ((root.pseudoStates & PseudoStates.Invisible) != PseudoStates.Invisible && root.style.opacity.GetSpecifiedValueOrDefault(1f) >= Mathf.Epsilon)
{
if (root.clippingOptions != VisualElement.ClippingOptions.NoClipping)
{
Rect rect = this.ComputeAAAlignedBound(root.rect, offset * root.worldTransform);
if (!rect.Overlaps(currentGlobalClip))
{
return;
}
float num = Mathf.Max(rect.x, currentGlobalClip.x);
float num2 = Mathf.Min(rect.x + rect.width, currentGlobalClip.x + currentGlobalClip.width);
float num3 = Mathf.Max(rect.y, currentGlobalClip.y);
float num4 = Mathf.Min(rect.y + rect.height, currentGlobalClip.y + currentGlobalClip.height);
currentGlobalClip = new Rect(num, num3, num2 - num, num4 - num3);
}
if (this.ShouldUsePixelCache(root))
{
IStylePainter stylePainter = this.stylePainter;
Rect worldBound = root.worldBound;
int num5 = Mathf.RoundToInt(worldBound.xMax) - Mathf.RoundToInt(worldBound.xMin);
int num6 = Mathf.RoundToInt(worldBound.yMax) - Mathf.RoundToInt(worldBound.yMin);
int num7 = Mathf.RoundToInt((float)num5 * GUIUtility.pixelsPerPoint);
int num8 = Mathf.RoundToInt((float)num6 * GUIUtility.pixelsPerPoint);
num7 = Math.Max(num7, 1);
num8 = Math.Max(num8, 1);
RenderTexture renderTexture = root.renderData.pixelCache;
if (renderTexture != null && (renderTexture.width != num7 || renderTexture.height != num8) && (!this.keepPixelCacheOnWorldBoundChange || root.IsDirty(ChangeType.Repaint)))
{
UnityEngine.Object.DestroyImmediate(renderTexture);
renderTexture = (root.renderData.pixelCache = null);
}
if (root.IsDirty(ChangeType.Repaint) || root.renderData.pixelCache == null || !root.renderData.pixelCache.IsCreated())
{
if (renderTexture == null)
{
renderTexture = (root.renderData.pixelCache = new RenderTexture(num7, num8, 32, RenderTextureFormat.ARGB32, RenderTextureReadWrite.sRGB));
}
bool flag = root.style.borderTopLeftRadius > 0f || root.style.borderTopRightRadius > 0f || root.style.borderBottomLeftRadius > 0f || root.style.borderBottomRightRadius > 0f;
RenderTexture renderTexture2 = null;
RenderTexture active = RenderTexture.active;
try
{
if (flag)
{
renderTexture = (renderTexture2 = RenderTexture.GetTemporary(num7, num8, 32, RenderTextureFormat.ARGB32, RenderTextureReadWrite.sRGB));
}
RenderTexture.active = renderTexture;
GL.Clear(true, true, new Color(0f, 0f, 0f, 0f));
Matrix4x4 matrix4x = Matrix4x4.Translate(new Vector3((float)(-(float)Mathf.RoundToInt(worldBound.x)), (float)(-(float)Mathf.RoundToInt(worldBound.y)), 0f));
Matrix4x4 matrix4x2 = matrix4x * root.worldTransform;
Rect rect2 = new Rect(0f, 0f, (float)num5, (float)num6);
stylePainter.currentTransform = matrix4x2;
bool enabled = SystemInfo.graphicsDeviceType != GraphicsDeviceType.Metal;
using (new GUIUtility.ManualTex2SRGBScope(enabled))
{
using (new GUIClip.ParentClipScope(stylePainter.currentTransform, rect2))
{
stylePainter.currentWorldClip = rect2;
root.DoRepaint(stylePainter);
root.ClearDirty(ChangeType.Repaint);
this.PaintSubTreeChildren(e, root, matrix4x, rect2);
}
}
if (flag)
{
RenderTexture.active = root.renderData.pixelCache;
stylePainter.currentTransform = Matrix4x4.identity;
using (new GUIUtility.ManualTex2SRGBScope(enabled))
{
using (new GUIClip.ParentClipScope(stylePainter.currentTransform, rect2))
{
GL.Clear(true, true, new Color(0f, 0f, 0f, 0f));
TextureStylePainterParameters defaultTextureParameters = stylePainter.GetDefaultTextureParameters(root);
defaultTextureParameters.texture = renderTexture;
defaultTextureParameters.scaleMode = ScaleMode.StretchToFill;
defaultTextureParameters.rect = rect2;
defaultTextureParameters.border.SetWidth(0f);
Vector4 vector = new Vector4(1f, 0f, 0f, 0f);
float x = (matrix4x2 * vector).x;
defaultTextureParameters.border.SetRadius(defaultTextureParameters.border.topLeftRadius * x, defaultTextureParameters.border.topRightRadius * x, defaultTextureParameters.border.bottomRightRadius * x, defaultTextureParameters.border.bottomLeftRadius * x);
defaultTextureParameters.usePremultiplyAlpha = true;
stylePainter.DrawTexture(defaultTextureParameters);
}
}
stylePainter.currentTransform = matrix4x2;
using (new GUIUtility.ManualTex2SRGBScope(enabled))
{
using (new GUIClip.ParentClipScope(stylePainter.currentTransform, rect2))
{
stylePainter.DrawBorder(root);
}
}
}
}
finally
{
renderTexture = null;
if (renderTexture2 != null)
{
RenderTexture.ReleaseTemporary(renderTexture2);
}
RenderTexture.active = active;
}
}
stylePainter.currentWorldClip = currentGlobalClip;
stylePainter.currentTransform = offset * root.worldTransform;
TextureStylePainterParameters painterParams = new TextureStylePainterParameters
{
rect = root.rect,
uv = new Rect(0f, 0f, 1f, 1f),
texture = root.renderData.pixelCache,
color = Color.white,
scaleMode = ScaleMode.ScaleAndCrop,
usePremultiplyAlpha = true
};
using (new GUIClip.ParentClipScope(stylePainter.currentTransform, currentGlobalClip))
{
stylePainter.DrawTexture(painterParams);
}
}
else
{
this.stylePainter.currentTransform = offset * root.worldTransform;
using (new GUIClip.ParentClipScope(this.stylePainter.currentTransform, currentGlobalClip))
{
this.stylePainter.currentWorldClip = currentGlobalClip;
this.stylePainter.mousePosition = root.worldTransform.inverse.MultiplyPoint3x4(e.mousePosition);
this.stylePainter.opacity = root.style.opacity.GetSpecifiedValueOrDefault(1f);
root.DoRepaint(this.stylePainter);
this.stylePainter.opacity = 1f;
root.ClearDirty(ChangeType.Repaint);
this.PaintSubTreeChildren(e, root, offset, currentGlobalClip);
}
}
}
}
}
public void PaintSubTree(Event e, VisualElement root, Matrix4x4 offset, Rect currentGlobalClip)
{
if ((root.pseudoStates & PseudoStates.Invisible) != PseudoStates.Invisible)
{
if (root.clippingOptions != VisualElement.ClippingOptions.NoClipping)
{
Rect rect = this.ComputeAAAlignedBound(root.layout, offset * root.worldTransform);
if (!rect.Overlaps(currentGlobalClip))
{
return;
}
float num = Mathf.Max(rect.x, currentGlobalClip.x);
float num2 = Mathf.Min(rect.x + rect.width, currentGlobalClip.x + currentGlobalClip.width);
float num3 = Mathf.Max(rect.y, currentGlobalClip.y);
float num4 = Mathf.Min(rect.y + rect.height, currentGlobalClip.y + currentGlobalClip.height);
currentGlobalClip = new Rect(num, num3, num2 - num, num4 - num3);
}
if (this.ShouldUsePixelCache(root))
{
IStylePainter stylePainter = this.stylePainter;
Rect worldBound = root.worldBound;
int num5 = (int)worldBound.width;
int num6 = (int)worldBound.height;
int num7 = (int)(worldBound.width * GUIUtility.pixelsPerPoint);
int num8 = (int)(worldBound.height * GUIUtility.pixelsPerPoint);
RenderTexture renderTexture = root.renderData.pixelCache;
if (renderTexture != null && !this.keepPixelCacheOnWorldBoundChange && (renderTexture.width != num7 || renderTexture.height != num8))
{
Object.DestroyImmediate(renderTexture);
renderTexture = (root.renderData.pixelCache = null);
}
float opacity = this.stylePainter.opacity;
if (root.IsDirty(ChangeType.Repaint) || root.renderData.pixelCache == null)
{
if (renderTexture == null)
{
renderTexture = (root.renderData.pixelCache = new RenderTexture(num7, num8, 32, RenderTextureFormat.ARGB32, RenderTextureReadWrite.Linear));
}
RenderTexture active = RenderTexture.active;
RenderTexture.active = renderTexture;
GL.Clear(true, true, new Color(0f, 0f, 0f, 0f));
offset = Matrix4x4.Translate(new Vector3(-worldBound.x, -worldBound.y, 0f));
Rect rect2 = new Rect(0f, 0f, (float)num5, (float)num6);
stylePainter.currentTransform = offset * root.worldTransform;
GUIClip.SetTransform(stylePainter.currentTransform, rect2);
stylePainter.currentWorldClip = rect2;
root.DoRepaint(stylePainter);
root.ClearDirty(ChangeType.Repaint);
this.PaintSubTreeChildren(e, root, offset, rect2);
RenderTexture.active = active;
}
stylePainter.currentWorldClip = currentGlobalClip;
stylePainter.currentTransform = root.worldTransform;
GUIClip.SetTransform(stylePainter.currentTransform, currentGlobalClip);
TextureStylePainterParameters painterParams = new TextureStylePainterParameters
{
layout = root.layout,
texture = root.renderData.pixelCache,
color = Color.white,
scaleMode = ScaleMode.ScaleAndCrop
};
stylePainter.DrawTexture(painterParams);
}
else
{
this.stylePainter.currentTransform = offset * root.worldTransform;
GUIClip.SetTransform(this.stylePainter.currentTransform, currentGlobalClip);
this.stylePainter.currentWorldClip = currentGlobalClip;
this.stylePainter.mousePosition = root.worldTransform.inverse.MultiplyPoint3x4(e.mousePosition);
this.stylePainter.opacity = root.style.opacity.GetSpecifiedValueOrDefault(1f);
root.DoRepaint(this.stylePainter);
this.stylePainter.opacity = 1f;
root.ClearDirty(ChangeType.Repaint);
this.PaintSubTreeChildren(e, root, offset, currentGlobalClip);
}
}
}
private void PaintSubTree(VisualElement root, Matrix4x4 offset, bool shouldClip, bool shouldCache, Rect currentGlobalClip)
{
if (root == null || root.panel != panel)
{
return;
}
if (root.visible == false ||
root.style.opacity.GetSpecifiedValueOrDefault(1.0f) < Mathf.Epsilon)
{
return;
}
// update clip
if (root.ShouldClip())
{
var worldBound = VisualElement.ComputeAAAlignedBound(root.rect, offset * root.worldTransform);
// are we and our children clipped?
if (!worldBound.Overlaps(currentGlobalClip))
{
return;
}
float x1 = Mathf.Max(worldBound.x, currentGlobalClip.x);
float x2 = Mathf.Min(worldBound.xMax, currentGlobalClip.xMax);
float y1 = Mathf.Max(worldBound.y, currentGlobalClip.y);
float y2 = Mathf.Min(worldBound.yMax, currentGlobalClip.yMax);
// new global clip and hierarchical clip space option.
currentGlobalClip = new Rect(x1, y1, x2 - x1, y2 - y1);
shouldClip = true;
shouldCache = root.clippingOptions == VisualElement.ClippingOptions.ClipAndCacheContents;
}
else
{
//since our children are not clipped, there is no early out.
}
// Check for the rotated space - clipping issue.
if (!m_WhinedOnceAboutRotatedClipSpaceThisFrame && shouldClip && !shouldCache && DoesMatrixHaveUnsupportedRotation(root.worldTransform))
{
Debug.LogError("Panel.PaintSubTree - Rotated clip-spaces are only supported by the VisualElement.ClippingOptions.ClipAndCacheContents mode. First offending Panel:'" + root.name + "'.");
m_WhinedOnceAboutRotatedClipSpaceThisFrame = true;
}
var prevElement = m_StylePainter.currentElement;
m_StylePainter.currentElement = root;
var repaintData = panel.repaintData;
if (ShouldUsePixelCache(root))
{
// now actually paint the texture to previous group
// validate cache texture size first
var worldBound = root.worldBound;
Rect alignedRect;
int textureWidth, textureHeight;
repaintData.currentWorldClip = currentGlobalClip;
repaintData.currentOffset = offset;
using (new GUIClip.ParentClipScope(offset * root.worldTransform, currentGlobalClip))
{
alignedRect = GUIUtility.AlignRectToDevice(root.rect, out textureWidth, out textureHeight);
}
// Prevent the texture size from going empty, which may occur if the element has a sub-pixel size
textureWidth = Math.Max(textureWidth, 1);
textureHeight = Math.Max(textureHeight, 1);
var cache = root.renderData.pixelCache;
if (cache != null &&
(cache.width != textureWidth || cache.height != textureHeight) &&
(!panel.keepPixelCacheOnWorldBoundChange || m_RepaintList.Contains(root)))
{
Object.DestroyImmediate(cache);
cache = root.renderData.pixelCache = null;
}
// if the child node world transforms are not up to date due to changes below the pixel cache this is fine.
if (m_RepaintList.Contains(root) ||
root.renderData.pixelCache == null ||
!root.renderData.pixelCache.IsCreated())
{
// Recreate as needed
if (cache == null)
{
root.renderData.pixelCache = cache = new RenderTexture(
textureWidth,
textureHeight,
32, // depth
RenderTextureFormat.ARGB32,
RenderTextureReadWrite.Linear);
}
bool hasRoundedBorderRects = (root.style.borderTopLeftRadius > 0 ||
root.style.borderTopRightRadius > 0 ||
root.style.borderBottomLeftRadius > 0 ||
root.style.borderBottomRightRadius > 0);
RenderTexture temporaryTexture = null;
var old = RenderTexture.active;
try
{
// We first render to a temp texture, then blit the result into the result pixelCache again to mask the rounder corners
if (hasRoundedBorderRects)
{
// This should be an sRGB texture to conform with editor texture guidelines, however
// converting the cache to sRGB requires a shader to do it, and this whole pixel cache
// thing is slated to go away, so we take a short-cut here and use a linear texture
// along with the use of manualTex2SRGBEnabled to get the correct results.
temporaryTexture = cache = RenderTexture.GetTemporary(textureWidth, textureHeight, 32,
RenderTextureFormat.ARGB32, RenderTextureReadWrite.Linear);
}
// render the texture again to clip the round rect borders
RenderTexture.active = cache;
GL.Clear(true, true, new Color(0, 0, 0, 0));
// Calculate the offset required to translate the origin of the rect to the upper left corner
// of the pixel cache. We need to round because the rect will be rounded when rendered.
Rect worldAlignedRect = root.LocalToWorld(alignedRect);
var childrenOffset = Matrix4x4.Translate(new Vector3(-worldAlignedRect.x, -worldAlignedRect.y, 0));
Matrix4x4 offsetWorldTransform = childrenOffset * root.worldTransform;
// reset clipping
var textureClip = new Rect(0, 0, worldAlignedRect.width, worldAlignedRect.height);
repaintData.currentOffset = childrenOffset;
using (new GUIClip.ParentClipScope(offsetWorldTransform, textureClip))
{
// Paint self
repaintData.currentWorldClip = textureClip;
m_StylePainter.opacity = root.style.opacity.GetSpecifiedValueOrDefault(1.0f);
root.Repaint(m_StylePainter);
m_StylePainter.opacity = 1.0f;
PaintSubTreeChildren(root, childrenOffset, shouldClip, shouldCache, textureClip);
}
if (hasRoundedBorderRects)
{
RenderTexture.active = root.renderData.pixelCache;
bool oldManualTex2SRGBEnabled = GUIUtility.manualTex2SRGBEnabled;
GUIUtility.manualTex2SRGBEnabled = false;
using (new GUIClip.ParentClipScope(Matrix4x4.identity, textureClip))
{
GL.Clear(true, true, new Color(0, 0, 0, 0));
var textureParams = TextureStylePainterParameters.GetDefault(root);
textureParams.color = Color.white;
textureParams.texture = cache;
textureParams.scaleMode = ScaleMode.StretchToFill;
textureParams.rect = textureClip;
textureParams.border.SetWidth(0.0f);
// The rect of the temporary texture implicitly carries the scale factor of the
// transform. Since we are blitting with an identity matrix, we need to scale the
// radius manually.
// We assume uniform positive scaling without rotations.
Vector4 toScale = new Vector4(1, 0, 0, 0);
Vector4 scaled = offsetWorldTransform * toScale;
float radiusScale = scaled.x;
textureParams.border.SetRadius(
textureParams.border.topLeftRadius * radiusScale,
textureParams.border.topRightRadius * radiusScale,
textureParams.border.bottomRightRadius * radiusScale,
textureParams.border.bottomLeftRadius * radiusScale);
// No border is drawn but the rounded corners are clipped properly.
// Use premultiply alpha to avoid blending again.
textureParams.usePremultiplyAlpha = true;
m_StylePainter.DrawTexture(textureParams);
}
// Redraw the border (border was already drawn in first root.DoRepaint call).
using (new GUIClip.ParentClipScope(offsetWorldTransform, textureClip))
{
m_StylePainter.DrawBorder();
}
GUIUtility.manualTex2SRGBEnabled = oldManualTex2SRGBEnabled;
}
}
finally
{
cache = null;
if (temporaryTexture != null)
{
RenderTexture.ReleaseTemporary(temporaryTexture);
}
RenderTexture.active = old;
}
}
// now actually paint the texture to previous group
repaintData.currentWorldClip = currentGlobalClip;
repaintData.currentOffset = offset;
bool oldManualTex2SRGBEnabled2 = GUIUtility.manualTex2SRGBEnabled;
GUIUtility.manualTex2SRGBEnabled = false;
using (new GUIClip.ParentClipScope(offset * root.worldTransform, currentGlobalClip))
{
var painterParams = new TextureStylePainterParameters
{
rect = GUIUtility.AlignRectToDevice(root.rect),
uv = new Rect(0, 0, 1, 1),
texture = root.renderData.pixelCache,
color = Color.white,
scaleMode = ScaleMode.StretchToFill,
usePremultiplyAlpha = true
};
// We must not reapply the editor Play Mode Tint if it was already applied !
var playModeTint = UIElementsUtility.editorPlayModeTintColor;
UIElementsUtility.editorPlayModeTintColor = Color.white;
m_StylePainter.DrawTexture(painterParams);
UIElementsUtility.editorPlayModeTintColor = playModeTint;
}
GUIUtility.manualTex2SRGBEnabled = oldManualTex2SRGBEnabled2;
}
else
{
repaintData.currentOffset = offset;
using (new GUIClip.ParentClipScope(offset * root.worldTransform, currentGlobalClip))
{
repaintData.currentWorldClip = currentGlobalClip;
repaintData.mousePosition = root.worldTransform.inverse.MultiplyPoint3x4(repaintData.repaintEvent.mousePosition);
m_StylePainter.opacity = root.style.opacity.GetSpecifiedValueOrDefault(1.0f);
root.Repaint(m_StylePainter);
m_StylePainter.opacity = 1.0f;
PaintSubTreeChildren(root, offset, shouldClip, shouldCache, currentGlobalClip);
}
}
m_StylePainter.currentElement = prevElement;
}
