GPU (graphics processing unit), is a specialized processor designed to accelerate the process of building images.

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Drawing the same mesh or drawing the same material?

I was wondering. Suppose I have a 1000 grass meshes. They all have the same material, but I create them separately, because they look slightly different, because they have different heights. Does my ...
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3answers
939 views

How to find the bottleneck of the graphical pipeline

I've been wondering about this issue for a while. How to find the bottleneck of the graphical pipeline. Recently I've been using a program to draw massive amount of polygons in a simple scene with ...
3
votes
2answers
590 views

How to check Early Z efficiency on AMD GPU with Windows 7

I have a game using DirectX 9, and a development station using Win 7 x64. I am still able to get access to another station with Vista x64 / dual booted with WinXP x86. I wanted to check early Z ...
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1answer
1k views

Switching between Discrete and Integrated GPUs

I have a machine with two discrete GPUs and one integrated GPU. I can currently switch between them using NVIDIA's software, but I would like the ability to do so within my applications for purposes ...
6
votes
4answers
8k 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 ...
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2answers
1k views

Dump texture from memory to the original format?

How can you dump GPU memory (images and such that are loaded on it) to the standard format ?
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2answers
600 views

What will AMD Fusion or likewise hybrid CPU/GPU will change for the 3D programmer ? Are they potentially faster?

Since the early days of accelerated graphics, programmers were obligated to use hardware-supported libraries like directX or OpenGL. If we wanted to explain someone what happened by introducing a ...
5
votes
2answers
496 views

Hardware acceleration for the Flash Player

What do we know about hardware acceleration for drawing operations in Flash? I know that since 10.1 it's there for video playback (and mobile graphics) but that doesn't really help with rendering ...
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4answers
2k views

Geometric Transformations on the CPU vs GPU

I've noticed that many 3d programs normally do vector/matrix calculations as well as geometric transformations on the CPU. Has anyone found an advantage in moving these calculations into vertex ...
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4answers
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Is it possible to use the GPU on a mobile device to accelerate a particle physics engine?

I am interested in answers for any mobile device but I am mainly considering the iPhone and devices that run Java. I am developing a game that relies heavily on a particle physics engine for core ...