public void DrawBackground()
{
IStyle style = currentElement.style;
if (style.backgroundColor != Color.clear)
{
var painterParams = RectStylePainterParameters.GetDefault(currentElement);
painterParams.border.SetWidth(0.0f);
DrawRect(painterParams);
}
}
public void DrawRect(RectStylePainterParameters painterParams)
{
var rect = painterParams.rect;
var color = painterParams.color;
var m = currentElement.worldTransform;
m_VertexData[m_VertexOffset + 0] = new Vertex()
{
Position = m.MultiplyPoint(new Vector2(rect.x, rect.y)), Tint = color, UV = Vector2.zero, TransformID = 0.0f, Flags = 0.0f
};
m_VertexData[m_VertexOffset + 1] = new Vertex()
{
Position = m.MultiplyPoint(new Vector2(rect.x + rect.width, rect.y)), Tint = color, UV = Vector2.zero, TransformID = 0.0f, Flags = 0.0f
};
m_VertexData[m_VertexOffset + 2] = new Vertex()
{
Position = m.MultiplyPoint(new Vector2(rect.x, rect.y + rect.height)), Tint = color, UV = Vector2.zero, TransformID = 0.0f, Flags = 0.0f
};
m_VertexData[m_VertexOffset + 3] = new Vertex()
{
Position = m.MultiplyPoint(new Vector2(rect.x + rect.width, rect.y + rect.height)), Tint = color, UV = Vector2.zero, TransformID = 0.0f, Flags = 0.0f
};
int vertexStride = m_VertexGPUBuffer.ElementStride;
m_VertexUpdateRanges[m_VertexUpdateOffset] = new GfxUpdateBufferRange()
{
source = new UIntPtr(m_VertexData.Slice(m_VertexOffset, 4).GetUnsafeReadOnlyPtr()),
offsetFromWriteStart = 0,
size = 4 * (UInt32)vertexStride
};
m_VertexGPUBuffer.UpdateRanges(m_VertexUpdateRanges.Slice(m_VertexUpdateOffset, 1), m_VertexOffset * vertexStride, (m_VertexOffset + 4) * vertexStride);
++m_VertexUpdateOffset;
m_IndexData[m_IndexOffset + 0] = (UInt16)(m_VertexOffset + 0);
m_IndexData[m_IndexOffset + 1] = (UInt16)(m_VertexOffset + 1);
m_IndexData[m_IndexOffset + 2] = (UInt16)(m_VertexOffset + 2);
m_IndexData[m_IndexOffset + 3] = (UInt16)(m_VertexOffset + 2);
m_IndexData[m_IndexOffset + 4] = (UInt16)(m_VertexOffset + 1);
m_IndexData[m_IndexOffset + 5] = (UInt16)(m_VertexOffset + 3);
int indexStride = m_IndexGPUBuffer.ElementStride;
m_IndexUpdateRanges[m_IndexUpdateOffset] = new GfxUpdateBufferRange()
{
source = new UIntPtr(m_IndexData.Slice(m_IndexOffset, 6).GetUnsafeReadOnlyPtr()),
offsetFromWriteStart = 0,
size = 6 * (UInt32)indexStride
};
m_IndexGPUBuffer.UpdateRanges(m_IndexUpdateRanges.Slice(m_IndexUpdateOffset, 1), m_IndexOffset * indexStride, (m_IndexOffset + 6) * indexStride);
++m_IndexUpdateOffset;
var drawRange = m_DrawRanges[m_DrawRangeCount];
drawRange.firstIndex = m_IndexOffset;
drawRange.indexCount = 6;
drawRange.minIndexVal = m_VertexOffset;
drawRange.vertsReferenced = 4;
m_DrawRanges[m_DrawRangeCount++] = drawRange;
m_VertexOffset += 4;
m_IndexOffset += 6;
}
