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Questions tagged [direct3d9]

167 questions
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Direct3D app runs fine if Windows Explorer is running, slows down terribly otherwise

Our Direct3D9 app works perfectly if we fully start Windows, and then launch it. However, if we tweak Windows' startup process so that Explorer is not ran, and just Windows and our application are started, our app slows down horribly. CPU…
dario_ramos
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1 answer

How do I use the Direct3D Device Manager?

I'd like to share one Direct3D device between multiple threads and objects in my Direct3D application. I came across the Direct3D device manager, which looks like what I want, although I'm not doing any video processing or video…
Christian
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5
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Direct3D: efficient way to get system memory bitmap from IDirect3DSurface9 (default pool)?

I have IDirect3DSurface9, default pool, YUV format. How can I efficiently get bitmap bits from it? At the moment I: create render target: device->CreateRenderTarget(surf_desc.Width, surf_desc.Height, D3DFMT_A8R8G8B8, D3DMULTISAMPLE_NONE, 0, TRUE,…
Andriy Tylychko
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How to enable VSYNC in D3D windowed app?

So, Im using D3D in a windowed application. I inited D3D with the following parameters: windowed: true; backbufferformat: D3DFMT_X8R8G8B8; presentinterval: D3DPRESENT_INTERVAL_ONE; swapeffect: DISCARD Each time OnPaint is called, I render the image…
St. KG
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Update a D3D9 texture from CUDA

I’m working on a prototype that integrates WPF, Direct3D9 (using Microsoft’s D3DImage WPF class), and CUDA (I need to be able to generate a texture for the D3DImage on the GPU). The problem is, CUDA doesn’t update my texture. No error codes are…
Soonts
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Descriptive monitor name from D3D display adapter ID

As the question suggests, I'm trying to pull a descriptive monitor name to match with a display adapter name. The code below gives me a device ID like \.\DISPLAY1 which is understandable but not what I'm looking for. // Get name. …
nielsj
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How Do you apply a vertex shader in C# for D3D9?

I am trying to write a c# program to apply a vertex shader using SharpDx. I am not sure what are the right functions to call. The purpose of the shader is to make the graphics look a little better because it looks pixelated. I have written the…
Frank
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How to stop Direct3D from flicker on release on multihead setup?

Have a kiosk system with a small touchscreen and a large display, and I have an app that works well playing video on the large display. For some reason, when Direct3D stops (app quits), both screens flicker (turn black, then recover). I simplified…
Andras Tompa
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2 answers

DirectX equivalent of glBlendFunc(............)

I created a particle System in OpenGl that's working great. When I want to get a burning effect of a fire or a beam or something(Where the system kind of "glows" and fuses all the colors together) I use this method call with…
Jimmy Bouker
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load BITMAP with D3DXLoadSurfaceFromMemory

Here is my unsuccessful try : IDirect3DSurface9 *renderTargetSurface; BITMAP bmp; HBITMAP hBMP = ( HBITMAP ) LoadImage ( 0, "D:\\DATA\\FLAG_B24.BMP", IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE ); int bytes = GetObject ( hBMP, sizeof( BITMAP ), &bmp );…
HMD
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calling IDirect3D9::CreateDevice() from DllMain hangs

What can be a reason? From DllMain() on DLL_PROCESS_ATTACH I'm calling IDirect3D9::CreateDevice() and it hangs code is straightforward, just like: BOOL APIENTRY DllMain( HMODULE hModule, DWORD ul_reason_for_call, …
Andriy Tylychko
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Clipplanes, vertex shaders and hardware vertex processing in Direct3D 9

I have an issue with clipplanes in my application that I can reproduce in a sample from DirectX SDK (February 2010). I added a clipplane to the HLSLwithoutEffects sample: ... D3DXPLANE g_Plane( 0.0f, 1.0f, 0.0f, 0.0f ); ... void…
Igor
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DirectX9 Multiple Video Card

there is an answer about DirectX11, but DirectX9 is different. The first parameter of IDirect3D9::CreateDevice and IDirect3D9Ex::CreateDevice is UINT Adapter, it should be a number between 0 and one less than the result of…
Clones1201
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Enable AntiAliasing in Direct3D9 (MultiSample Render Target)

I am trying to enable AA in a D3D9 application, but am not sure how to set up the surfaces correctly. So far, I have: IDirect3DDevice9* m_pd3dDevice; IDirect3DSurface9* screen; IDirect3DSurface9* msaasurf; D3DPRESENT_PARAMETERS…
Knio
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Bad behavior with Aero off in Vista

I have a directx9 application which needs to run on a machine with Aero disabled. The app runs in windowed mode. When the window is first created, it looks just fine within a single screen. When I move the window in such a way that it spans two…
Josh
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