public override void ApplyParameters(Fractal fractal)
{
context.Synchronize();
mainStream.Synchronize();
float invAspectRatio = (XRes > 0) ? ((float)YRes / (float)XRes) : 0.0f;
Affine2D viewTransform = fractal.CameraTransform.Inverse;
Affine2D projTransform = new Affine2D(invAspectRatio, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f);
float xHalf = (float)XRes / 2.0f;
float yHalf = (float)YRes / 2.0f;
Affine2D screenTransform = new Affine2D(xHalf, 0.0f, 0.0f, yHalf, xHalf, yHalf);
vpsTransform = screenTransform * projTransform * viewTransform;
module.WriteConstant("vpsTransform", vpsTransform);
module.WriteConstant("brightness", fractal.Brightness);
float invGamma = 1.0f / fractal.Gamma;
module.WriteConstant("invGamma", invGamma);
module.WriteConstant("vibrancy", fractal.Vibrancy);
module.WriteConstant("bgColor", fractal.BackgroundColor);
Int32 branchCount = Math.Min(MaxBranches, fractal.Branches.Count);
module.WriteConstant("branchCount", branchCount);
Affine2D[] branchPreTransforms = new Affine2D[MaxBranches];
Affine2D[] branchPostTransforms = new Affine2D[MaxBranches];
float[] branchLumas = new float[MaxBranches];
Vec2[] branchChromas = new Vec2[MaxBranches];
float[] branchFactors = new float[MaxBranches * MaxFactors];
UInt32[] branchNormWeights = new UInt32[MaxBranches];
branchNormWeights.AssignAll((i) => (UInt32)0x00010000);
float branchWeightSum = 0.0f;
for (int bi = 0; bi < branchCount; bi++)
{
branchWeightSum += fractal.Branches[bi].Weight;
}
float[] branchColorWeights = new float[MaxBranches];
UInt32 runningSum = 0;
for (int bi = 0; bi < branchCount; bi++)
{
Branch branch = fractal.Branches[bi];
branchPreTransforms[bi] = branch.PreTransform;
branchPostTransforms[bi] = branch.PostTransform;
branchLumas[bi] = branch.Luma;
branchChromas[bi] = branch.Chroma;
runningSum += (UInt32)(branch.Weight / branchWeightSum * 65536.0f);
if (bi < branchCount - 1)
{
branchNormWeights[bi] = runningSum;
}
else
{
branchNormWeights[bi] = 0x00010000;
}
branchColorWeights[bi] = branch.ColorWeight;
foreach (Branch.VariEntry ve in branch.Variations)
{
if (ve.Index >= 0 && ve.Index < MaxFactors)
{
branchFactors[MaxFactors * bi + ve.Index] += ve.Weight;
}
}
}
module.WriteConstant("branchPreTransforms", branchPreTransforms);
module.WriteConstant("branchPostTransforms", branchPostTransforms);
module.WriteConstant("branchLumas", branchLumas);
module.WriteConstant("branchChromas", branchChromas);
module.WriteConstant("branchNormWeights", branchNormWeights);
module.WriteConstant("branchColorWeights", branchColorWeights);
module.WriteConstant("branchFactors", branchFactors);
context.Synchronize();
}