public RenderEngine(int width, int height)
{
_width = width;
_height = height;
_gpuHandle = new GPUHandle();
_gpuHandle.Init();
_renderProgram = new GPUProgram(_gpuHandle, "renderer.cl");
_renderProgram.BuildProgram();
_renderProgram.CreateKernel("render");
_renderProgram.SetKernelArg("render", 0, _width);
_renderProgram.SetKernelArg("render", 1, _height);
Bitmap bg = (Bitmap)Image.FromFile("background.jpg");
_backgroundImage = new GPUImage(_gpuHandle);
_backgroundImage.WriteImage(bg, MemFlags.ReadOnly);
int totalPixels = _width * _height;
}
/// <summary>
/// Sets an image as a kernel argument
/// </summary>
/// <param name="kernel">Name of the kernel to set the image paratmeter of</param>
/// <param name="argIndex">The argument index to set</param>
/// <param name="image">The image to set the argument of</param>
public void SetKernelArg(string kernel, uint argIndex, GPUImage image)
{
_error = Cl.SetKernelArg(_kernels[kernel], argIndex, image.ImageBufferHandle);
CLException.CheckException(_error);
}