private void initTexture(int width, int height)
{
if (_texture == null)
{
_texture = new Texture(_device, width, height, 0, Usage.AutoGenerateMipMap, Format.X8R8G8B8, Pool.Default);
}
else
{
_graphicsres[0].Unregister();
_graphicsres.Clear();
_texture.Dispose();
_texture = new Texture(_device, width, height, 0, Usage.AutoGenerateMipMap, Format.X8R8G8B8, Pool.Default);
}
CudaDirectXInteropResource resource = new CudaDirectXInteropResource(_texture.ComPointer, CUGraphicsRegisterFlags.None, CudaContext.DirectXVersion.D3D9, CUGraphicsMapResourceFlags.None);
_graphicsres.Add(resource);
if (_vertexBufferTexture == null)
{
_vertexBufferTexture = new VertexBuffer(_device, 4 * Marshal.SizeOf(typeof(vertex)), Usage.None, VertexFormat.Position | VertexFormat.Texture1, Pool.Default);
}
DataStream str = _vertexBufferTexture.Lock(0, 4 * Marshal.SizeOf(typeof(vertex)), LockFlags.None);
str.Position = 0;
str.WriteRange <vertex>(GetVertices(width, height));
_vertexBufferTexture.Unlock();
//_device.SetTexture(0, _texture);
}
void m_renderControl_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Escape)
{
Close();
}
if (e.KeyCode == Keys.R)
{
Array.Clear(hvfield, 0, DS);
dvfield.CopyToDevice(hvfield);
initParticles(particles, DIM, DIM);
cuda_vbo_resource.Clear();
GL.BindBuffer(BufferTarget.ArrayBuffer, vbo);
GL.BufferData <cData>(BufferTarget.ArrayBuffer, new IntPtr(cData.SizeOf * DS), particles, BufferUsageHint.DynamicDraw);
GL.BindBuffer(BufferTarget.ArrayBuffer, 0);
cuda_vbo_resource.Add(new CudaOpenGLBufferInteropResource(vbo, CUGraphicsRegisterFlags.None));
}
}