GPU (graphics processing unit), is a specialized processor designed to accelerate the process of building images.
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1answer
268 views
Proper updating of GeoClipMaps
I have been working on an implementation of gpu-based geo clip maps, but there is a section of the GPU Gems 2 article that I just can't seem to understand, specifically this paragraph, and more ...
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vote
1answer
38 views
Skeletal Animation Mirrored
Okay so I've been working on GPU skinning skeletal animations.
I need help assessing what is going on here. Looks like the animations are completely mirrored
What are the possible issues? I've been ...
3
votes
0answers
382 views
How is Ping-Ponging done in Stage3D & AGAL (Flash Player 11)
Does anyone know how to create a Texture feedback effect in Stage3D / AGAL?
I've just found the term "ping-ponging" in some GPU wikipage, hopefully I'm using it in the right place!
I'll share with ...
2
votes
0answers
130 views
How much is atomicAdd slower than an atomic counter?
I am considering replacing an atomic counter in my shader code with a SSBO an atomicAdd operation. What I need to know is the difference in performance of these two. I know the atomic counter executes ...
2
votes
0answers
85 views
Framebuffer Heightmap Performance Problems
I am using a framebuffer to procedurally create heightmaps with perlin noise in GLSL shaders. There are two main problems that I am experiencing with this. I have a quadtree for the terrain and in the ...
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vote
0answers
341 views
Android: Hardware Scaler
I was reading through this: using-hardware-scaler-for-performance and am a little confused by it. It says all you need to do to invoke the scaler is to set it like so:
surfaceView = new ...
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0answers
27 views
OpenGL textureGather and DirectX gather
These functions sample multiple RGBA pixels but return only a single component.
OpenGL: https://www.opengl.org/sdk/docs/man/html/textureGather.xhtml
DirectX: ...
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votes
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95 views
What limits the number of vertices the GPU can process per clock cycle?
I am currently experimenting with OpenGL to make my own game. I wrote some test code to see what are the limits of my GPU. I own a Geforce 840m. This essentially consists of a draw command
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35 views
Rectification of an image by using texture projection
I need to rectify an image with texture projection on GPU (GLSL/shaders), do you have any resources/tutorials/insights to share? I have the 3D pose of the camera that created the image and the image ...
