Steps To Fix Screenshot Using Directx

 

If you get an error code, please take a screenshot with DirectX, today’s instructions should help.

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Not The Product You Are Looking For? Answer The Other Questions, Called DirectX Full-screen Screenshot, Or Ask Yourself.

With Detours, you can instrument calls similar to calls to Direct3DCreate9 , IDirect3D9 :: CreateDevice , and IDirect3D9 :: Present in which you activate The following are the processes required to set up and capture an image.

answered Dec 26, 2009 at 0:03

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This is really a C # example of connecting parts of IDirect3DDevice9 using DLL injection and connecting functions using EasyHook (for example, Microsoft Detours). Is this related to the functioning of FRAPS?

This allows you to record the screen in windowed mode rather than fullscreen, and uses the back buffer, which should be much faster than trying to get data from the front buffer.

A useful C ++ helper library used for Definitions of methods of the IDirect3DDevice9 object to add at runtime.

Update: For DirectX 10/11 see screenshots and overlays for D3D 9, 10 and 11

answered May 15 ’10 at 2:02

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This is the piece of code I used as a test, of course it works.

The width and height are definitely the size of the SCREEN in windowed mode, not the size of the windows. So am I, because they are set to 1280 x 1440, not the size of the window I’m rendering into.

You will need to replace mEngine-> getDevice () with multiple choices to get your IDirect3DDevice9 as well. I just pasted this code into any d3d app that I needed to test easier. But I can assure you that it will capture the output of this application,as well as any other d3d application running at the same time.

Oh, suppose I have this particular D3D9, as you didn’t say, I’m not sure about d3d10 or 11

  IDirect3DSurface9 * surface;mEngine-> getDevice () -> CreateOffscreenPlainSurface (width, height, D3DFMT_A8R8G8B8, D3DPOOL_SCRATCH, & surface, NULL);mEngine-> getDevice () -> GetFrontBufferData (0, surface);D3DXSaveSurfaceToFile ("c:  tmp  output.jpg", D3DXIFF_JPG, surface, NULL, NULL);Surface-> Share (); 

Answered 26 ’09 at 14:54

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Of course there is open source software like fraps: taksi, although it seems outdated

answered Dec 26 ’08 at 11:20 09 at 13:23

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Here’s a discussion of how Fraps works. It’s not that easy.

Any trick that interferes with reading another device’s external buffer, directx, may, I suppose, sometimes work best with uninitialized memory for luck.

Dec 29 ’09 only replied at 7:05

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Following J99’s answer, I ended up working on the code for windowed and fullscreen modes. This is also done for D3D9.

  IDirect3DSurface9 * surface; D3DDISPLAYMODE;  pDev-> GetDisplayMode (0, & mode); // pDev is my husband and my * IDirect3DDevice  // we can capture the entire screen,  // Hence the size and height up todo not match the current selection mode  pDev-> CreateOffscreenPlainSurface (mode.Width, mode.D3DFMT_A8R8G8B8, height, D3DPOOL_SCRATCH, & surface, NULL);  if (pDev-> GetFrontBufferData (0, surface) == D3D_OK)      if (bWindowed) // global config variable          // Display the client area in office coordinates      // May need transformation to support multiple screens      RECT r;      GetClientRect (hWnd, & r); // hWnd is also a handle to our window      POINT p = 0, 0;      ClientToScreen (hWnd, & p);      SetRect (& r, p.x, p.y, p.x + r. Right, p.y + r. Below);      D3DXSaveSurfaceToFile (szFilename, D3DXIFF_JPG, surface, NULL, & r);        another      D3DXSaveSurfaceToFile (szFilename, D3DXIFF_JPG, floor, NULL, NULL);    Surface-> Share (); 

Looks like the format and settings of the CreateOffscreenPlainSurface pool should be exactly the same.

answered Oct 2, 2012 at 11:33 am

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