Tagged Questions
7
votes
1answer
464 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 ...
0
votes
2answers
101 views
Is it possible to read the frame to be output to the screen from GPU in XNA?
I want my XNA game to do its thing and at the end of the Draw() call read the the frame that is sent to the screen into memory (which in XNA would presumably be a Microsoft.Xna.Framework.Color[]).
Is ...
7
votes
2answers
974 views
HLSL - Creating Shadows in 2D
The way that I create shadows is by the following technique:
http://www.catalinzima.com/2010/07/my-technique-for-the-shader-based-dynamic-2d-shadows/
But I have questions to HLSL. The way that I ...
7
votes
2answers
614 views
Using GPU on Silverlight 5 for a Fast Fourier Transform
I've got an audio library for Silverlight that is in need of some acceleration on slower machines. Specifically, this library makes extensive and repeated use of the FFT transform as a part of its ...
0
votes
2answers
683 views
Graphics capabilities differences between mobile and desktop/console platforms?
I would like to better understand the difference in capabilities between mobile and desktop/console graphics? What exactly are the limitations of a mobile device? What kind of operations can a ...
6
votes
4answers
4k views
How much memory does a texture take up on the GPU?
A large png on disk may only take up a couple megabytes but I imagine that on the gpu the same png is stored in an uncompressed format which takes up much more space. Is this true? If it is true, how ...