/// <summary>
/// Create D3D9Ex context and OpenGL framebuffer
/// </summary>
/// <param name="handle"></param>
/// <param name="hasDepthBuffer"></param>
/// <param name="hasStencilBuffer"></param>
private void CreateD3D9ExContext(IntPtr handle, bool hasDepthBuffer, bool hasStencilBuffer)
{
var d3d = new Direct3DEx();
int initW = Size.Width;
int initH = Size.Height;
this.presentparams = new PresentParameters();
this.presentparams.Windowed = true;
this.presentparams.SwapEffect = SwapEffect.Discard;
this.presentparams.DeviceWindowHandle = handle;
this.presentparams.PresentationInterval = PresentInterval.Default;
// FpuPreserve for WPF
// Multithreaded so that resources are actually sharable between DX and GL
this.device = new DeviceEx(
d3d,
0,
DeviceType.Hardware,
IntPtr.Zero,
CreateFlags.HardwareVertexProcessing | CreateFlags.Multithreaded | CreateFlags.FpuPreserve,
this.presentparams);
// create shared surface
this.sharedSurface = Surface.CreateRenderTarget(
this.device,
initW,
initH,
Format.A8R8G8B8,
MultisampleType.None,
0,
false);
#region OpenGL Interop
this.wgl = new WGL_NV_DX_interop();
this.wglHandleDevice = wgl.WglDXOpenDeviceNV(device.NativePointer);
this.glSharedSurface = GL.GenTexture();
this.fbo = GL.GenFramebuffer();
// refer D3D9 surface and OpenGL Texture2D
this.wglHandleSharedSurface = wgl.WglDXRegisterObjectNV(
this.wglHandleDevice,
this.sharedSurface.NativePointer,
(uint)this.glSharedSurface,
(uint)TextureTarget.Texture2D,
WGL_NV_DX_interop.WGL_ACCESS_READ_WRITE_NV);
this.singleWglHandleSharedSurfaceArray = new IntPtr[] { this.wglHandleSharedSurface };
// setup framebuffer
Console.WriteLine(GL.GetError());
GL.BindFramebuffer(FramebufferTarget.Framebuffer, this.fbo);
Console.WriteLine(GL.GetError());
GL.FramebufferTexture2D(
FramebufferTarget.Framebuffer,
FramebufferAttachment.ColorAttachment0,
TextureTarget.Texture2D,
this.glSharedSurface,
0);
Console.WriteLine(GL.GetError());
if (hasDepthBuffer)
{
var depth = GL.GenRenderbuffer();
GL.FramebufferRenderbuffer(
FramebufferTarget.Framebuffer,
FramebufferAttachment.DepthAttachment,
RenderbufferTarget.Renderbuffer,
depth);
GL.DeleteRenderbuffer(depth);
}
if (hasStencilBuffer)
{
var stencil = GL.GenRenderbuffer();
GL.FramebufferRenderbuffer(
FramebufferTarget.Framebuffer,
FramebufferAttachment.StencilAttachment,
RenderbufferTarget.Renderbuffer,
stencil);
GL.DeleteRenderbuffer(stencil);
}
GL.DrawBuffer((DrawBufferMode)FramebufferAttachment.ColorAttachment0);
#endregion
}
/// <summary>
/// Create D3D9Ex context and OpenGL framebuffer
/// </summary>
/// <param name="handle"></param>
/// <param name="hasDepthBuffer"></param>
/// <param name="hasStencilBuffer"></param>
private void CreateD3D9ExContext(IntPtr handle, bool hasDepthBuffer, bool hasStencilBuffer)
{
var d3d = new Direct3DEx();
int initW = Size.Width;
int initH = Size.Height;
this.presentparams = new PresentParameters();
this.presentparams.Windowed = true;
this.presentparams.SwapEffect = SwapEffect.Discard;
this.presentparams.DeviceWindowHandle = handle;
this.presentparams.PresentationInterval = PresentInterval.Default;
// FpuPreserve for WPF
// Multithreaded so that resources are actually sharable between DX and GL
this.device = new DeviceEx(
d3d,
0,
DeviceType.Hardware,
IntPtr.Zero,
CreateFlags.HardwareVertexProcessing | CreateFlags.Multithreaded | CreateFlags.FpuPreserve,
this.presentparams);
// create shared surface
this.sharedSurface = Surface.CreateRenderTarget(
this.device,
initW,
initH,
Format.A8R8G8B8,
MultisampleType.None,
0,
false);
#region OpenGL Interop
this.wgl = new WGL_NV_DX_interop();
this.wglHandleDevice = wgl.WglDXOpenDeviceNV(device.NativePointer);
this.glSharedSurface = GL.GenTexture();
this.fbo = GL.GenFramebuffer();
// refer D3D9 surface and OpenGL Texture2D
this.wglHandleSharedSurface = wgl.WglDXRegisterObjectNV(
this.wglHandleDevice,
this.sharedSurface.NativePointer,
(uint)this.glSharedSurface,
(uint)TextureTarget.Texture2D,
WGL_NV_DX_interop.WGL_ACCESS_READ_WRITE_NV);
this.singleWglHandleSharedSurfaceArray = new IntPtr[] { this.wglHandleSharedSurface };
// setup framebuffer
Console.WriteLine(GL.GetError());
GL.BindFramebuffer(FramebufferTarget.Framebuffer, this.fbo);
Console.WriteLine(GL.GetError());
GL.FramebufferTexture2D(
FramebufferTarget.Framebuffer,
FramebufferAttachment.ColorAttachment0,
TextureTarget.Texture2D,
this.glSharedSurface,
0);
Console.WriteLine(GL.GetError());
if (hasDepthBuffer)
{
var depth = GL.GenRenderbuffer();
GL.FramebufferRenderbuffer(
FramebufferTarget.Framebuffer,
FramebufferAttachment.DepthAttachment,
RenderbufferTarget.Renderbuffer,
depth);
GL.DeleteRenderbuffer(depth);
}
if (hasStencilBuffer)
{
var stencil = GL.GenRenderbuffer();
GL.FramebufferRenderbuffer(
FramebufferTarget.Framebuffer,
FramebufferAttachment.StencilAttachment,
RenderbufferTarget.Renderbuffer,
stencil);
GL.DeleteRenderbuffer(stencil);
}
GL.DrawBuffer((DrawBufferMode)FramebufferAttachment.ColorAttachment0);
#endregion
}
internal static extern Boolean wglDXObjectAccessNV(IntPtr hObject, WGL_NV_DX_interop access);
internal static extern IntPtr wglDXRegisterObjectNV(IntPtr hDevice, IntPtr dxObject, uint name, uint type, WGL_NV_DX_interop access);
public static bool DXObjectAccessNV(IntPtr hObject, WGL_NV_DX_interop access)
{
throw new BindingsNotRewrittenException();
}
public static IntPtr DXRegisterObjectNV(IntPtr hDevice, IntPtr dxObject, uint name, uint type, WGL_NV_DX_interop access)
{
throw new BindingsNotRewrittenException();
}
