Exemplo n.º 1
0
        private static Interop.Direct3DTexture9 GetSharedSurface(Interop.Direct3DDevice9Ex device, D3D10.Texture2D texture)
        {
            // First get a shared handle to the D3D10 texture
            using (var surface = texture.QueryInterface<DirectX.Graphics.Resource>())
            {
                IntPtr handle = surface.SharedHandle;

                // Then create a D3D9 texture using the D3D10 shared handle.
                // The D3D10 texture must be in the DXGI_FORMAT_B8G8R8A8_UNORM
                // format (direct 9 version is D3DFMT_A8R8G8B8).
                return device.CreateTexture(
                    texture.Description.Width,
                    texture.Description.Height,
                    1,
                    1,  // D3DUSAGE_RENDERTARGET
                    21, // D3DFMT_A8R8G8B8
                    0,  // D3DPOOL_DEFAULT
                    ref handle);
            }
        }
Exemplo n.º 2
0
        /// <summary>
        /// Assigns a <see cref="D3D10.Texture2D"/> as the source of the back buffer.
        /// </summary>
        /// <param name="texture">
        /// The <c>Texture2D</c> to assign as the back buffer. Value can be null.
        /// </param>
        /// <exception cref="InvalidOperationException">
        /// The D3D10Image has not been locked by a call to the
        /// <see cref="D3DImage.Lock" /> or <see cref="D3DImage.TryLock" /> methods.
        /// </exception>
        public void SetBackBuffer(D3D10.Texture2D texture)
        {
            // Free the old surface
            if (this.surface != null)
            {
                this.surface.Dispose();
                this.surface = null;
            }

            if (texture == null)
            {
                this.SetBackBuffer(D3DResourceType.IDirect3DSurface9, IntPtr.Zero);
            }
            else
            {
                using (var device = CreateDevice(Interop.NativeMethods.GetDesktopWindow()))
                using (var texture9 = GetSharedSurface(device, texture))
                {
                    this.surface = texture9.GetSurfaceLevel(0);
                }

                this.SetBackBuffer(D3DResourceType.IDirect3DSurface9, this.surface.NativeInterface);
            }
        }
Exemplo n.º 3
0
        private static D3D10.D3DDevice1 TryCreateDevice1(D3D10.DriverType type)
        {
            // We'll try to create the device that supports any of these feature levels
            DirectX.Direct3D.FeatureLevel[] levels =
            {
                DirectX.Direct3D.FeatureLevel.Ten,
                DirectX.Direct3D.FeatureLevel.NinePointThree,
                DirectX.Direct3D.FeatureLevel.NinePointTwo,
                DirectX.Direct3D.FeatureLevel.NinePointOne
            };

            foreach (var level in levels)
            {
                try
                {
                    return D3D10.D3DDevice1.CreateDevice1(null, type, null, D3D10.CreateDeviceOptions.SupportBgra, level);
                }
                catch (ArgumentException) // E_INVALIDARG
                {
                    continue; // Try the next feature level
                }
                catch (OutOfMemoryException) // E_OUTOFMEMORY
                {
                    continue; // Try the next feature level
                }
                catch (DirectX.DirectXException) // D3DERR_INVALIDCALL or E_FAIL
                {
                    continue; // Try the next feature level
                }
            }
            return null; // We failed to create a device at any required feature level
        }