StackOverflow2013

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POMultisampling and Direct3D10 / D3DImage interop
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copied!<p>I'm trying to implement a renderengine using Direct3D 10 (SlimDX) and WPF.</p> <p>I create my device and rendertargetview with the right MultiSample parameters ( 1,0 / 2,0 and 4,0 are working)</p> <pre><code> this.multiSamplingDescription = new SampleDescription(sampleCount, qualityLevel - 1); // 4,1 Texture2DDescription colordesc = new Texture2DDescription(); colordesc.BindFlags = BindFlags.RenderTarget | BindFlags.ShaderResource; colordesc.Format = this.renderTargetViewFormat; // Format.B8G8R8A8_UNorm colordesc.Width = width; colordesc.Height = height; colordesc.MipLevels = 1; colordesc.SampleDescription = multiSamplingDescription; colordesc.Usage = ResourceUsage.Default; colordesc.OptionFlags = ResourceOptionFlags.Shared; colordesc.CpuAccessFlags = CpuAccessFlags.None; colordesc.ArraySize = 4;[/code] </code></pre> <p>Then I've got a problem while trying to create the shared texture for D3DImage ...</p> <pre><code> this.Direct3D9Context = new Direct3DEx(); this.presentParams = new PresentParameters(); this.presentParams.Windowed = true; this.presentParams.SwapEffect = SwapEffect.Discard; this.presentParams.DeviceWindowHandle = GetDesktopWindow(); this.presentParams.PresentationInterval = PresentInterval.Immediate; this.presentParams.Multisample = MultisampleType.None; this.presentParams.MultisampleQuality = 0; this.Device = new DeviceEx(this.Direct3D9Context, 0, DeviceType.Hardware, IntPtr.Zero, CreateFlags.HardwareVertexProcessing | CreateFlags.Multithreaded | CreateFlags.FpuPreserve, this.presentParams); </code></pre> <p>...</p> <pre><code> this.presentParams.Multisample = sampleCount; // = 4 this.presentParams.MultisampleQuality = 0; this.Device.Reset(this.presentParams); </code></pre> <p>...</p> <pre><code> this.SharedTexture = new Texture(this.Device, texture.Description.Width, texture.Description.Height, 1, Usage.RenderTarget, format, Pool.Default, ref Handle); // format = Format.A8R8G8B8 // Width = 1244 , same as colordesc // height = 699, same as colordesc </code></pre> <p>I'm missing something ?</p>

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