public override void BindProgramParameters(GpuProgramParameters parms, GpuProgramParameters.GpuParamVariability mask)
{
var type = programType;
// only supports float constants
var floatStruct = parms.FloatLogicalBufferStruct;
foreach (var i in floatStruct.Map)
{
if ((i.Value.Variability & mask) != 0)
{
var logicalIndex = i.Key;
var pFloat = parms.GetFloatConstantList();
var ptr = i.Value.PhysicalIndex;
{
for (var j = 0; j < i.Value.CurrentSize; j += 4)
{
var x = pFloat[ptr + j];
var y = pFloat[ptr + j + 1];
var z = pFloat[ptr + j + 2];
var w = pFloat[ptr + j + 3];
Gl.glProgramLocalParameter4fARB(type, logicalIndex, x, y, z, w);
++logicalIndex;
}
}
}
}
}
public override void BindProgramParameters(GpuProgramParameters parms, GpuProgramParameters.GpuParamVariability mask)
{
// Register combiners uses 2 constants per texture stage (0 and 1)
// We have stored these as (stage * 2) + const_index in the physical buffer
// There are no other parameters in a register combiners shader
var floatList = parms.GetFloatConstantList();
var index = 0;
for (var i = 0; i < floatList.Length; ++i, ++index)
{
var combinerStage = Gl.GL_COMBINER0_NV + (index / 2);
var pname = Gl.GL_CONSTANT_COLOR0_NV + (index % 2);
Gl.glCombinerStageParameterfvNV(combinerStage, pname, ref floatList[i]);
}
}