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576 questions
Newest Active Bountied Unanswered
89 votes
8 answers
18k views

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 ...
Louis Semprini's user avatar
  • 4,033
6 votes
1 answer
4k views

I'm trying to add bump mapping functionality to my application but I'm getting very faceted models: The reason it is happening is because I'm calculating tangent, binormal and normal on per face basis ...
jaho's user avatar
  • 5,042
35 votes
6 answers
31k views

I have a renderer using directx and openGL, and a 3d scene. The viewport and the window are of the same dimensions. How do I implement picking given mouse coordinates x and y in a platform ...
Tom J Nowell's user avatar
  • 10k
22 votes
3 answers
38k views

I know how to use GDI to capture screen, however it is very slow (it barely captures 10 fps) I have read that DirectX offers the best speed. But before I start learning DirectX I wanted to test a ...
user avatar
15 votes
7 answers
6k views

I have a DirectShow graph to render MPEG2/4 movies from a network stream. When I assemble the graph by connecting the pins manually it doesn't render. But when I call Render on the GraphBuilder it ...
ZebZiggle's user avatar
  • 688
121 votes
2 answers
116k views

For what purposes are we using Model View Projection Matrix? Why do shaders require Model View Projection Matrix?
Yuriy Vikulov's user avatar
  • 2,509
46 votes
5 answers
42k views

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 ...
aib's user avatar
  • 47.4k
18 votes
7 answers
39k views

This boggles me. DirectX bypasses everything and talks directly to the device driver, thus GDI and other usual methods won't work - unless Aero is disabled (or unavailable), all that appears is a ...
CMircea's user avatar
  • 3,564
35 votes
3 answers
58k views

I want to detour EndScene from an arbitrary DirectX 9 application to create a small overlay. As an example, you could take the frame counter overlay of FRAPS, which is shown in games when activated. ...
Etan's user avatar
  • 17.7k
6 votes
1 answer
5k views

So the UWP Composition support has been out for a while I am looking for a way to do real-time blurring of elements (live blur as they move or load, not static snapshot). So far I have been looking at ...
MaX's user avatar
  • 1,344
5 votes
2 answers
15k views

I got into a little trouble sending keys. It seems like when ever I want to send keys It doesn't work. I'm thinking about sending alphabetic characters such as T to bring the chat up from example, ...
DreTaX's user avatar
  • 856
56 votes
7 answers
52k views

I am running a DirectX 11 application on windows 7 and visual studio community 2015 RC. I'm still using functions from the DX SDK. It worked fine on VS2013 but when I switched over I get only the ...
Moody's user avatar
  • 1,417
50 votes
4 answers
36k views

In terms of PC development (excluding Xbox and Zune), What is the difference between XNA and C# DirectX? Does C# DirectX have a significant advantage over XNA (in terms of speed, royalties, etc)? ...
worbel's user avatar
  • 6,595
30 votes
4 answers
11k views

Does anyone know how to programmatically capture the sound that is being played (that is, everything that is coming from the sound card, not the input devices such as a microphone).
Ra.'s user avatar
  • 2,539
28 votes
2 answers
16k views

I'm programming a DirectX game, and when I run it on an Optimus laptop the Intel GPU is used, resulting in horrible performance. If I force the NVIDIA GPU using the context menu or by renaming my ...
Smohn Jith's user avatar
  • 325

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