DirectX is a set of multimedia APIs from Microsoft aimed primarily at game developers. Popular APIs within the DirectX collection include Direct3D, XInput, and XAudio.
8
votes
1answer
69 views
Best practice for setting Effect parameters in XNA
I want to ask if there is a best practice for setting Effect parameters in XNA. Or in other words, what exactly happens when I call pass.Apply(). I can imagine multiple scenarios:
Each time Apply is ...
3
votes
4answers
177 views
Game programming and quantity of timers
I've made a simple 2D game engine using C# and DirectX and it's fully functional for the demo I made to test it. I have a Timer object that uses QueryPerformanceCounter and I don't know what's the ...
-1
votes
1answer
57 views
Rendering projectiles
I'm working on a simple game that has the user control a space ship that shoots small circular projectiles. However, I'm not sure how to render these. Right now I know how to make a LPDIREC3DSURFACE ...
15
votes
3answers
457 views
What's the difference between mesh and a model?
Which one is created first? For example if a team worked on a graphical asset of a car, what would be a model and what would be a mesh of the car?
0
votes
0answers
4 views
Debugging HLSL for Windows 8 application [migrated]
i'm currently in the process of creating a Windows 8 applicaiton using SharpDX (the managed c# directx wrapper). However I have ran into problems with one of my shaders and I want to know if its ...
-4
votes
0answers
66 views
Directx vs XNA - Which is better for me? [closed]
Recently I got Visual Studio 2012 from visual studio 2010, although did not expect Visual Studio to 2012 to designed the way it was. Anyway I am pleased with some of VS 2012 technology and have moved ...
6
votes
1answer
177 views
Information about rendering, batches, the graphical card, performance etc. + XNA?
I know the title is a bit vague but it's hard to describe what I'm really looking for, but here goes.
When it comes to CPU rendering, performance is mostly easy to estimate and straightforward, but ...
-1
votes
0answers
44 views
Choice of Input / music / graphics libraries for an indie game - what factors should I consider? [closed]
I was wondering which tools (grapics-sound-input libraries, game engine libraries) that the following indie games used:
Braid
Superbrothers: S&S
Super Meat Boy
Limbo
Fez (I know this one is XNA)
...
1
vote
1answer
105 views
CreateRenderTarget returns 0x80070057 in big surface resolution
I have created the SLI merged desktop of three 1920x1680 monitors, so the desktop resolution is 5760x1080.
There is a 0x80070057 error, while calling CreateRenderTarget to create the RT_Surface:
...
2
votes
2answers
263 views
Pix for visual studio express 2012 (Desktop)
(Originally asked on stackoverflow)
Using visual c++ express 2010 for direct3d you have to download the directX sdk and there is a tool called pix for debugging shaders, looking at 3d resources etc.
...
0
votes
1answer
58 views
Possible / How to render to multiple back buffers, using one as a shader resource when rendering to the other, and vice versa?
I'm making a game in Direct3D10. For several of my rendering passes, I need to change the behavior of the pass depending on what is already rendered on the back buffer. (For example, I'd like to do ...
3
votes
1answer
86 views
D3DXMatrixDecompose gives different quaternion than D3DXQuaternionRotationMatrix
In trying to solve this problem, I tracked down the problem to the conversion of the rotation matrix to quaternion. In particular, consider the following matrix:
-0.02099178 0.9997436 -0.008475631 0
...
3
votes
2answers
100 views
Having the same texture data in different ID3D11Texture2D
Sorry if this has been answered elsewhere - I'm rather new to DX. My question concerns conservation of resources - specifically textures in VRAM. I assume that upon returning from a call to ...
2
votes
1answer
35 views
Problem with D3DXMatrixReflect
Currently I am trying to reflect a sky sphere into a flat piece of geometry which is acting as water. The sphere is very small, it follows the camera on all 3 axis and the z-buffer is turned off so it ...
1
vote
0answers
110 views
Managing many draw calls for dynamic objects
We are developing a game (cross-platform) using Irrlicht. The game has many (around 200 - 500) dynamic objects flying around during the game. Most of these objects are static mesh and build from 20 - ...
