private GLCmdViewportParameter(GLCmdArraySlice <float> views, GLCmdArraySlice <double> depths)
{
First = views.First;
Count = views.Count;
Viewport = views;
DepthRange = depths;
}
public static GLCmdArraySlice <TFloat> MergeData(int factor, GLCmdArraySlice <TFloat> basis, GLCmdArraySlice <TFloat> change)
{
var length = GetAdjustedLength(basis.Count, change.First, change.Count);
var dest = new TFloat[factor * length];
var combined = new GLCmdArraySlice <TFloat>(dest, basis.Factor, 0, length);
Array.Copy(basis.Values, dest, basis.Values.Length);
var offset = (change.First * factor);
var arrayCount = change.Count * factor;
Array.Copy(change.Values, 0, dest, offset, arrayCount);
return(combined);
}
private static GLCmdArraySlice <double> ConvertToDepthRanges(uint first, MgViewport[] depthRanges)
{
Func <double[], uint, MgViewport, uint> copyFn = (dest, offset, vp) => {
dest [0 + offset] = vp.MinDepth;
dest [1 + offset] = vp.MaxDepth;
return(2);
};
const int factor = 2;
var count = depthRanges.Length;
var values = new double[factor * count];
GLCmdArraySlice <double> .CopyValues <MgViewport>(values, 0, depthRanges, copyFn);
return(new GLCmdArraySlice <double> (values, factor, first, count));
}
private static GLCmdArraySlice <float> ConvertTo2DViewports(uint first, MgViewport[] viewports)
{
const int factor = 4;
var count = viewports.Length;
var values = new float[factor * count];
Func <float[], uint, MgViewport, uint> copyFn = (dest, offset, vp) => {
dest [0 + offset] = vp.X;
dest [1 + offset] = vp.Y;
dest [2 + offset] = vp.Width;
dest [3 + offset] = vp.Height;
return(4);
};
GLCmdArraySlice <float> .CopyValues <MgViewport>(values, 0, viewports, copyFn);
return(new GLCmdArraySlice <float> (values, factor, first, count));
}
public GLCmdScissorParameter(uint first, MgRect2D[] scissors)
{
const int factor = 4;
var count = scissors.Length;
var values = new int[factor * count];
Func <int[], uint, MgRect2D, uint> copyFn = (dest, offset, sc) => {
dest [0 + offset] = sc.Offset.X;
dest [1 + offset] = sc.Offset.Y;
dest [2 + offset] = (int)sc.Extent.Width;
dest [3 + offset] = (int)sc.Extent.Height;
return(4);
};
GLCmdArraySlice <int> .CopyValues <MgRect2D>(values, 0, scissors, copyFn);
Parameters = new GLCmdArraySlice <int> (values, factor, first, count);
}
public bool Matches(GLCmdArraySlice <TFloat> other, Func <TFloat, TFloat, bool> isDifferent)
{
bool quickCheck = this.First == other.First &&
this.Count == other.Count;
if (!quickCheck)
{
return(false);
}
for (uint i = 0; i < Values.Length; ++i)
{
if (isDifferent(this.Values [i], other.Values [i]))
{
return(false);
}
}
return(true);
}
public GLCmdArraySlice <TFloat> Merge(GLCmdArraySlice <TFloat> delta)
{
return(MergeData(this.Factor, this, delta));
}
private GLCmdScissorParameter(GLCmdArraySlice <int> scissors)
{
Parameters = scissors;
}