Questions which are specifically related to version 9.0 of DirectX SDK. If your question is not specific to this version of SDK (i.e. it could apply to DirectX 10 and 11 as well), use the 'directx' tag.

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How to achieve best performance in DirectX 9.0 while rendering on multiple monitors?

I have read this article, and I am making use of some pixel shaders to achieve some effects. At most four shader effects can be applied at same time. What are the best practices to achieve best ...
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45 views

How to retrieve vertex information from ID3DXMesh

I need to know the position of each vertex (and triangles) from a mesh (a pointer to ID3DXMesh, created by calling functions like D3DXCreateBox, D3DXCreateTeapot and D3DXCreateSphere) to perform some ...
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What is DirectX 11's equivalent of D3DCAPS9::MaxVertexIndex of DirectX 9?

I'm porting a DirectX 9 program to DirectX 11. How do I get the value in DirectX 11 that is retrieved using D3DCAPS9::MaxVertexIndex in DirectX 9? Thanks in advance.
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445 views

Changing map 0,0 origin to top left while using D3DXMatrixOrthoLH

Thanks to Tetrad (for pointing out D3DXMatrixOrthoLH ) I have figured out how to set it up in DirectX9. However, the problem I am now facing is my 0,0 mouse position is now in the middle. What I ...
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0answers
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rendering an image within c# & sharpdx dirext3d9 [game overlay]

I'm following this guide and the related blog post to implement a basic game overlay for DirectX 9 games using SharpDX. So the tutorial already have an example for text rendering but I need to be ...
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0answers
50 views

Blending Lightmaps and Dynamic Texture Shadows in HLSL

I'm using Gile[s] as my lightmapper and my engine can execute HLSL scripts with DirectX 9. I would like to accomplish something like this for performance reasons. I was told that this technique can ...
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0answers
133 views

AddFontMemResourceEx and D3DXCreateFont corruption

I'm trying to load a font from a buffer using AddFontMemResourceEx and then creating a D3D font with D3DXCreateFont. This works fine on every platform except Windows XP, where it causes the wrong ...
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0answers
325 views

2D Camera transformation sidescroller

i am currently trying to dive into 2D programming with DirectX, especially bulding a tile based sidescroller. I have worked with some chapters from a book (Advanced 2D Game Development) but always ...
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0answers
105 views

changing resolution in game on Playground SDK

I'm trying to make resolution change in my game based on Playground SDK. Now it looks so: TPlatform::GetInstance()->SetDisplay(width, height, fullScreen, letterbox); ...
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DirectX 9 - Troubles on PRT

Does anyone tried to use PRT? I'm asking this because i didn't find out anything in the internet that may help me solve my problem without asking here for help. So my question is - why the code below ...
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22 views

How can I manually syncronize render calls with a monitor's refresh rate in Direct3D 9?

I have an application that utilizes Direct3D 9 to render 3D graphics. I'm trying to manually control the number of frames rendered in a given second. Here is pseudocode: while( bInGame ) { // ...
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33 views

How to draw a ellipse with DirectX 9?

I have spent the entire day trying to get it to work... I can draw the outline of an ellipse but I want to draw a filled in ellipse but I can't seem to get the code to work. Any help would be great! I ...
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101 views

Directx9 engine Z-buffer problem with d3dimage

I am trying to integrate my Direct9 engine into my new WPF application via D3DImage. Everything is working except for the Z buffer. With the AutoDepthStencil at FALSE I can render my meshes but the ...
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0answers
75 views

Picture got distorted after has been moved to Directx11

I have moved app from Directx9 into Directx11. After this upgrade strange thing happened with my world. Objects get skewed and became 2D, also they are clipped in unexpected places. Two arrows at ...
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0answers
165 views

Assimp - Error loading .obj files

I'm trying to load .obj files in my little game. I decided to use assimp as tool to import those models. But it seems that assimp does not import them correctly. I looked for a simple cube mesh ...
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0answers
47 views

Using normal maps in irrlicht lime with Direct3D9

I am using Irrlicht Lime, a .NET wrapper for the Irrlicht Engine. In my scene I render some simple geometries, that I construct "by hand". These are textured and shoud get a better look through normal ...
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74 views

DX9 system crash on Intel Atom CPU Z530 with Intel GMA 500

our project has to run on a very specific hardware, which is listed below: WinXP Professional 32bit Intel Atom CPU Z530 with Intel GMA 500 (2 CPUs, 1.6Ghz, 512 MB RAM) DX 9.0c 800 MB swap memory ...
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55 views

Transform texture coordinates when using shader

Assuming I define four vertices of a quad with texture coordinates that cover a whole texture or region of a texture, I can animate these coordinates by setting a transform using SetTransform( ...
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169 views

Radiosity using a hemisphere

I'm working on a radiosity processor. I'm projecting scene geometry onto a hemisphere at a high order of tessellation during a visibility pass onto a 1024x1024 render target. The problem is that the ...