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>
/// Creates an empty GPU Program
/// </summary>
/// <param name="handle">handle to GPU</param>
public GPUProgram(GPUHandle handle)
{
_handle = handle;
_kernels = new Dictionary <string, Kernel>();
}
/// <summary>
/// Creates and builds a GPU Program from source code
/// </summary>
/// <param name="handle">handle to GPU</param>
/// <param name="sourceCode">source code of program</param>
public GPUProgram(GPUHandle handle, string[] sourceCode) : this(handle)
{
CreateProgram(sourceCode);
}
/// <summary>
/// Creates and builds a GPU Program from external file
/// </summary>
/// <param name="handle">handle to GPU</param>
/// <param name="path">Path to external program</param>
public GPUProgram(GPUHandle handle, string path) : this(handle, LoadProgramFromFile(path))
{
}
private GPUBuffer(GPUHandle handle)
{
_handle = handle;
}
/// <summary>
/// Creates a new GPU Buffer or predefined size
/// </summary>
/// <param name="handle">What GPU Instance to create it on</param>
/// <param name="flags">What Read/Write flags to use</param>
/// <param name="size">Size of memory of the buffer</param>
public GPUBuffer(GPUHandle handle, MemFlags flags, int size) : this(handle)
{
ErrorCode error;
_buffer = Cl.CreateBuffer <T>(handle.Context, flags, size, out error);
CLException.CheckException(error);
}
public GPUImage(GPUHandle handle)
{
_handle = handle;
}