void layoutBuffers(Span <sDrawCall> drawCallsSpan)
{
buffersLayout.clear();
for (int i = 0; i < drawCallsSpan.Length; i++)
{
ref var dc = ref drawCallsSpan[i];
int sn = dc.order.sn;
if (sn >= 0)
{
buffersLayout.addMesh(i, drawMeshes.meshes[sn].mesh.meshInfo);
continue;
}
sn = -sn - 1;
if (dc.drawCall.mesh == eMesh.SpriteRectangle)
{
sMeshDataSize mds = new sMeshDataSize(SpriteMesh.countVertices, SpriteMesh.countTriangles);
buffersLayout.addTransparent(i, ref mds);
continue;
}
if (dc.drawCall.isText)
{
// Glyph runs can be either opaque or transparent, depending on text background
sMeshDataSize mds = drawMeshes.textCommands[sn].meshDataSize;
buffersLayout.addTransparent(i, ref mds);
continue;
}
sDrawRectCommand cmd = drawMeshes.rectCommands[sn];
sMeshDataSize size;
if (cmd.strokeWidth.HasValue)
{
size = RectangleMesh.sizeStroked;
}
else
{
size = RectangleMesh.sizeFilled;
}
buffersLayout.addOpaque(i, ref size);
}
/// <summary>Creates a D2D mesh from a pair of readonly spans</summary>
public static id2Mesh createMesh(this iDrawDevice device, ReadOnlySpan <Vector2> vertices, ReadOnlySpan <ushort> indices)
{
sMeshDataSize mds = new sMeshDataSize(vertices.Length, indices.Length / 3);
return(device.createMesh(ref MemoryMarshal.GetReference(vertices), ref MemoryMarshal.GetReference(indices), mds));
}