Under normal circumstances, creating a shared handle in DX using CreateSharedHandle, then using glImportMemoryWin32HandleEXT in OpenGL should allow sharing. I tried rendering a triangle in DX and d...

I am working on a QT application for which I've integrated DirectX 11 into a custom widget. The application renders a scrolling display - a graphical representation of data being read from a file. ...

THE PROBLEM: When I grab the resize border of my Windows app, especially the top or left borders, and resize the window, the contents of the window do resize "live" as I drag, but they re...

I've been searching and testing different kinds of rendering libraries for C# days for many weeks now. So far I haven't found a single library that works well on multi-windowed rendering setups. Th...

I try to start c# directX programming with this tutorial: http://www.riemers.net/eng/Tutorials/DirectX/Csharp/Series1/tut2.php I'm using visual Studion Community 2015, my code is like this: using ...

I'm working with a C project that's using DirectX and I've run into a problem. Certain DX calls require a IID object, typically generated with __uuidof. One thing this is required for is creating a...

I am trying to create a Media Foundation Transform that draws text on video using D2D and D3D11. I am trying to construct a D2D RenderTarget on top of D3D11 resources, but unfortunately, most means...

I'm new to graphics programming and I'm wondering why I would ever prefer GDI over the hardware accelerated graphics of DirectX/OpenGL? Are there still good reasons to use GDI?

I seem to be having some problems installing the DirectX SDK. Everything seems to be going well during the install, but at the end I get the message: Setup failed. Errors were encountered during i...

I want to display some custom graphics on top of a 3rd party fullscreen Windows application. Have you played any Steam games? It has an executable, GameOverlayUI.exe that lets you access Steam win...

So, I was developing a game engine in C++ and DirectX 11, and I noticed that people usually uses BGRA instead of RGBA as SwapChain format. Why people does that? And why is 32 bit color instead 256 ...

I'm translating a bit of code into javascript. I'm trying to replicate the functionality of D3DXVECTOR3* D3DXVec3TransformCoord( __inout D3DXVECTOR3 *pOut, __in const D3DXVECTOR3 *pV, __in co...

I am looking to create an external application that monitors the 'FPS' of a DirectX application (like FRAPS without the recording). I have read several Microsoft articles on performance measuring t...

In HLSL I have two arrays: int arr1[2]; int arr2[2]; I need to copy contents of arr1 to arr2. Should I iterate through every element? arr2[0] = arr1[0]; arr2[1] = arr1[1]; Is there any spe...

From this site, which seems to have the most detailed information about Catmull-Rom splines, it seems that four points are needed to create the spline. However, it does not mention how the points p...

Upon considering the driver side implementation for DirectX API on windows systems for modern video cards I was wondering why this implementation is not available on non-windows system, most notabl...

I am a developer in DotNet. I want to give skype a possibility to add a webcam simulator and send my bitmap frames to the DirectShow simulator. In this case I can draw my images in my application a...

I can't figure out how to install Windows 10 SDK for Visual Studio 2017. I downloaded and ran the Windows 10 SDK installer, and it displays Please find winsdksetup.exe in ....\Windows kits\10\Wind...

Can I use DirectX 11 from C# app? Need to use DirectSound from WPF application. .NET 4 W7 x64

I need to get an up vector for a camera (to get the right look) from a roll, pitch, and yaw angles (in degrees). I've been trying different things for a couple hours and have had no luck :(. Any he...

I have a number of fullscreen-only applications that do not support scaling that I need to show on a single display. Some are showing video, all are showing content that updates frequently. Several...

I lately came across the term "wavefront" in the context of pixel shader execution on the graphics card. From context I'd assume that a wavefront is a packing of multiple pixels or vertic...

As I am working with my project, I noticed that when I run my app, inside the Application Output area I can see message: NVD3DREL: GR-805 : DX9 Overlay is DISABLED NVD3DREL: GR-805 : DX9 Overlay is...

This might have been answered before, sorry if it has. I basically need to get the angle from origin to point. So lets say Origin is (0, 0) and my target point is (3, 0). 3 O'clock = 90 degrees 6...

there is a lot of material out there on the Cook-Torrance BRDF as well as on the Lambert BRDF. Real Shading in Unreal Engine 4 and Moving Frostbite to BPR give an in-depth explanation how to implem...