private void GenerateStencilClipEntryForSVGBackground()
{
bool flag = this.m_SVGBackgroundEntryIndex == -1;
if (!flag)
{
UIRStylePainter.Entry entry = this.m_Entries[this.m_SVGBackgroundEntryIndex];
Debug.Assert(entry.vertices.Length > 0);
Debug.Assert(entry.indices.Length > 0);
this.m_StencilClip = true;
this.m_CurrentEntry.vertices = entry.vertices;
this.m_CurrentEntry.indices = entry.indices;
this.m_CurrentEntry.uvIsDisplacement = entry.uvIsDisplacement;
this.m_CurrentEntry.clipRectID = this.m_ClipRectID;
this.m_CurrentEntry.isStencilClipped = this.m_StencilClip;
this.m_CurrentEntry.isClipRegisterEntry = true;
this.m_ClosingInfo.needsClosing = true;
int length = this.m_CurrentEntry.vertices.Length;
NativeSlice <Vertex> vertices = this.m_VertsPool.Alloc((uint)length);
for (int i = 0; i < length; i++)
{
Vertex value = this.m_CurrentEntry.vertices[i];
value.position.z = 1f;
vertices[i] = value;
}
this.m_CurrentEntry.vertices = vertices;
this.totalVertices += this.m_CurrentEntry.vertices.Length;
this.totalIndices += this.m_CurrentEntry.indices.Length;
this.m_Entries.Add(this.m_CurrentEntry);
this.m_CurrentEntry = default(UIRStylePainter.Entry);
}
}
private void DrawTextCore(MeshGenerationContextUtils.TextParams textParams, TextHandle handle, float pixelsPerPoint)
{
TextInfo textInfo = handle.Update(textParams, pixelsPerPoint);
for (int i = 0; i < textInfo.materialCount; i++)
{
bool flag = textInfo.meshInfo[i].vertexCount == 0;
if (flag)
{
break;
}
this.m_CurrentEntry.isTextEntry = true;
this.m_CurrentEntry.clipRectID = this.m_ClipRectID;
this.m_CurrentEntry.isStencilClipped = this.m_StencilClip;
MeshBuilder.MakeText(textInfo.meshInfo[i], textParams.rect.min, new MeshBuilder.AllocMeshData
{
alloc = this.m_AllocRawVertsIndicesDelegate
});
this.m_CurrentEntry.font = textInfo.meshInfo[i].material.mainTexture;
this.m_Entries.Add(this.m_CurrentEntry);
this.totalVertices += this.m_CurrentEntry.vertices.Length;
this.totalIndices += this.m_CurrentEntry.indices.Length;
this.m_CurrentEntry = default(UIRStylePainter.Entry);
}
}
private void DrawTextNative(MeshGenerationContextUtils.TextParams textParams, TextHandle handle, float pixelsPerPoint)
{
float scaling = TextHandle.ComputeTextScaling(this.currentElement.worldTransform, pixelsPerPoint);
TextNativeSettings textNativeSettings = MeshGenerationContextUtils.TextParams.GetTextNativeSettings(textParams, scaling);
using (NativeArray <UnityEngine.UIElements.TextVertex> vertices = TextNative.GetVertices(textNativeSettings))
{
bool flag = vertices.Length == 0;
if (!flag)
{
Vector2 offset = TextNative.GetOffset(textNativeSettings, textParams.rect);
this.m_CurrentEntry.isTextEntry = true;
this.m_CurrentEntry.clipRectID = this.m_ClipRectID;
this.m_CurrentEntry.isStencilClipped = this.m_StencilClip;
MeshBuilder.MakeText(vertices, offset, new MeshBuilder.AllocMeshData
{
alloc = this.m_AllocRawVertsIndicesDelegate
});
this.m_CurrentEntry.font = textParams.font.material.mainTexture;
this.m_Entries.Add(this.m_CurrentEntry);
this.totalVertices += this.m_CurrentEntry.vertices.Length;
this.totalIndices += this.m_CurrentEntry.indices.Length;
this.m_CurrentEntry = default(UIRStylePainter.Entry);
this.currentElement.renderChainData.usesLegacyText = true;
this.currentElement.renderChainData.disableNudging = true;
}
}
}
public void DrawVectorImage(MeshGenerationContextUtils.RectangleParams rectParams)
{
VectorImage vectorImage = rectParams.vectorImage;
Debug.Assert(vectorImage != null);
VertexFlags vertexFlags = (vectorImage.atlas != null) ? VertexFlags.IsSVGGradients : VertexFlags.IsSolid;
int settingIndexOffset = 0;
bool flag = vectorImage.atlas != null && this.m_VectorImageManager != null;
if (flag)
{
GradientRemap gradientRemap = this.m_VectorImageManager.AddUser(vectorImage);
vertexFlags = (gradientRemap.isAtlassed ? VertexFlags.IsSVGGradients : VertexFlags.IsCustomSVGGradients);
settingIndexOffset = gradientRemap.destIndex;
}
int count = this.m_Entries.Count;
MeshGenerationContext.MeshFlags flags = MeshGenerationContext.MeshFlags.None;
bool flag2 = vertexFlags == VertexFlags.IsSVGGradients;
if (flag2)
{
flags = MeshGenerationContext.MeshFlags.IsSVGGradients;
}
else
{
bool flag3 = vertexFlags == VertexFlags.IsCustomSVGGradients;
if (flag3)
{
flags = MeshGenerationContext.MeshFlags.IsCustomSVGGradients;
}
}
MeshBuilder.AllocMeshData meshAlloc = new MeshBuilder.AllocMeshData
{
alloc = this.m_AllocThroughDrawMeshDelegate,
texture = ((vertexFlags == VertexFlags.IsCustomSVGGradients) ? vectorImage.atlas : null),
flags = flags
};
int num;
int num2;
MeshBuilder.MakeVectorGraphics(rectParams, settingIndexOffset, meshAlloc, out num, out num2);
Debug.Assert(count <= this.m_Entries.Count + 1);
bool flag4 = count != this.m_Entries.Count;
if (flag4)
{
this.m_SVGBackgroundEntryIndex = this.m_Entries.Count - 1;
bool flag5 = num != 0 && num2 != 0;
if (flag5)
{
UIRStylePainter.Entry entry = this.m_Entries[this.m_SVGBackgroundEntryIndex];
entry.vertices = entry.vertices.Slice(0, num);
entry.indices = entry.indices.Slice(0, num2);
this.m_Entries[this.m_SVGBackgroundEntryIndex] = entry;
}
}
}
private void GenerateStencilClipEntryForRoundedRectBackground()
{
bool flag = this.currentElement.layout.width <= Mathf.Epsilon || this.currentElement.layout.height <= Mathf.Epsilon;
if (!flag)
{
ComputedStyle computedStyle = this.currentElement.computedStyle;
Vector2 a;
Vector2 a2;
Vector2 a3;
Vector2 a4;
MeshGenerationContextUtils.GetVisualElementRadii(this.currentElement, out a, out a2, out a3, out a4);
float value = computedStyle.borderTopWidth.value;
float value2 = computedStyle.borderLeftWidth.value;
float value3 = computedStyle.borderBottomWidth.value;
float value4 = computedStyle.borderRightWidth.value;
MeshGenerationContextUtils.RectangleParams rectParams = new MeshGenerationContextUtils.RectangleParams
{
rect = GUIUtility.AlignRectToDevice(this.currentElement.rect),
color = Color.white,
topLeftRadius = Vector2.Max(Vector2.zero, a - new Vector2(value2, value)),
topRightRadius = Vector2.Max(Vector2.zero, a3 - new Vector2(value4, value)),
bottomLeftRadius = Vector2.Max(Vector2.zero, a2 - new Vector2(value2, value3)),
bottomRightRadius = Vector2.Max(Vector2.zero, a4 - new Vector2(value4, value3)),
playmodeTintColor = ((this.currentElement.panel.contextType == ContextType.Editor) ? UIElementsUtility.editorPlayModeTintColor : Color.white)
};
rectParams.rect.x = rectParams.rect.x + value2;
rectParams.rect.y = rectParams.rect.y + value;
rectParams.rect.width = rectParams.rect.width - (value2 + value4);
rectParams.rect.height = rectParams.rect.height - (value + value3);
bool flag2 = computedStyle.unityOverflowClipBox == OverflowClipBox.ContentBox;
if (flag2)
{
rectParams.rect.x = rectParams.rect.x + computedStyle.paddingLeft.value.value;
rectParams.rect.y = rectParams.rect.y + computedStyle.paddingTop.value.value;
rectParams.rect.width = rectParams.rect.width - (computedStyle.paddingLeft.value.value + computedStyle.paddingRight.value.value);
rectParams.rect.height = rectParams.rect.height - (computedStyle.paddingTop.value.value + computedStyle.paddingBottom.value.value);
}
this.m_CurrentEntry.clipRectID = this.m_ClipRectID;
this.m_CurrentEntry.isStencilClipped = this.m_StencilClip;
this.m_CurrentEntry.isClipRegisterEntry = true;
MeshBuilder.MakeSolidRect(rectParams, 1f, new MeshBuilder.AllocMeshData
{
alloc = this.m_AllocRawVertsIndicesDelegate
});
bool flag3 = this.m_CurrentEntry.vertices.Length > 0 && this.m_CurrentEntry.indices.Length > 0;
if (flag3)
{
this.m_Entries.Add(this.m_CurrentEntry);
this.totalVertices += this.m_CurrentEntry.vertices.Length;
this.totalIndices += this.m_CurrentEntry.indices.Length;
this.m_StencilClip = true;
this.m_ClosingInfo.needsClosing = true;
}
this.m_CurrentEntry = default(UIRStylePainter.Entry);
}
}
public MeshWriteData DrawMesh(int vertexCount, int indexCount, Texture texture, Material material, MeshGenerationContext.MeshFlags flags)
{
MeshWriteData pooledMeshWriteData = this.GetPooledMeshWriteData();
bool flag = vertexCount == 0 || indexCount == 0;
MeshWriteData result;
if (flag)
{
pooledMeshWriteData.Reset(default(NativeSlice <Vertex>), default(NativeSlice <ushort>));
result = pooledMeshWriteData;
}
else
{
this.m_CurrentEntry = new UIRStylePainter.Entry
{
vertices = this.m_VertsPool.Alloc((uint)vertexCount),
indices = this.m_IndicesPool.Alloc((uint)indexCount),
material = material,
uvIsDisplacement = (flags == MeshGenerationContext.MeshFlags.UVisDisplacement),
clipRectID = this.m_ClipRectID,
isStencilClipped = this.m_StencilClip,
addFlags = VertexFlags.IsSolid
};
Debug.Assert(this.m_CurrentEntry.vertices.Length == vertexCount);
Debug.Assert(this.m_CurrentEntry.indices.Length == indexCount);
Rect uvRegion = new Rect(0f, 0f, 1f, 1f);
bool flag2 = flags == MeshGenerationContext.MeshFlags.IsSVGGradients;
bool flag3 = flags == MeshGenerationContext.MeshFlags.IsCustomSVGGradients;
bool flag4 = flag2 | flag3;
if (flag4)
{
this.m_CurrentEntry.addFlags = (flag2 ? VertexFlags.IsSVGGradients : VertexFlags.IsCustomSVGGradients);
bool flag5 = flag3;
if (flag5)
{
this.m_CurrentEntry.custom = texture;
}
this.currentElement.renderChainData.usesAtlas = true;
}
else
{
bool flag6 = texture != null;
if (flag6)
{
RectInt rectInt;
bool flag7 = this.m_AtlasManager != null && this.m_AtlasManager.TryGetLocation(texture as Texture2D, out rectInt);
if (flag7)
{
this.m_CurrentEntry.addFlags = ((texture.filterMode == FilterMode.Point) ? VertexFlags.IsAtlasTexturedPoint : VertexFlags.IsAtlasTexturedBilinear);
this.currentElement.renderChainData.usesAtlas = true;
uvRegion = new Rect((float)rectInt.x, (float)rectInt.y, (float)rectInt.width, (float)rectInt.height);
}
else
{
this.m_CurrentEntry.addFlags = VertexFlags.IsCustomTextured;
this.m_CurrentEntry.custom = texture;
}
}
}
pooledMeshWriteData.Reset(this.m_CurrentEntry.vertices, this.m_CurrentEntry.indices, uvRegion);
this.m_Entries.Add(this.m_CurrentEntry);
this.totalVertices += this.m_CurrentEntry.vertices.Length;
this.totalIndices += this.m_CurrentEntry.indices.Length;
this.m_CurrentEntry = default(UIRStylePainter.Entry);
result = pooledMeshWriteData;
}
return(result);
}