public override void ApplyPalette(Palette palette)
{
context.Synchronize();
mainStream.Synchronize();
if (palette.Width <= 0 || palette.Height <= 0)
{
throw new ArgumentException("palette may not be empty.");
}
paletteImage.Free();
paletteImage = CudaArray.Allocate(palette.Width, palette.Height, CudaArrayFormat.Float, 4);
HostBuffer2D <Vec4> hostPaletteBuffer = HostBuffer2D <Vec4> .Alloc(palette.Width, palette.Height);
Color col;
Vec4 colorVec;
for (int y = 0; y < palette.Height; y++)
{
for (int x = 0; x < palette.Width; x++)
{
col = palette.GetPixel(x, y);
colorVec = new Vec4(
(float)col.R / 255.0f,
(float)col.G / 255.0f,
(float)col.B / 255.0f,
1.0f);
hostPaletteBuffer[y, x] = colorVec;
}
}
CudaMem.Copy(hostPaletteBuffer, paletteImage);
hostPaletteBuffer.Free();
paletteTex.Array = paletteImage;
paletteTex.SetFormat(CudaArrayFormat.Float, 4);
paletteTex.AddressModeX = TexAddressMode.Clamp;
paletteTex.AddressModeY = TexAddressMode.Clamp;
paletteTex.FilterMode = TexFilterMode.Linear;
paletteTex.Flags = TexFlags.NormalizedCoordinates;
iterateKernel.SetTexRef(paletteTex);
context.Synchronize();
}