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GPGPU : neural networks on a graphic card
on Mar 24, 2006 in Programming In English 3D Algorithms I had an idea last week while browsing through the shading languages-related websites : as it is now possible to ask to graphic card to perform custom operations on vertices and pixels, why not try to hack all this massive parallel computing power an...
GPGPU : first results
on Mar 26, 2006 in Programming In English 3D Here is a screenshot featuring cascaded image filters (fully defined inside a Cg fragment shader). Each filter can have any number of textures as input (typically one) and its output is done on one texture (but with some work, maybe I could get multi...
GPGPU : GL_TEXTURE_RECTANGLE_ARB and Cg…
on Mar 28, 2006 in Programming In English 3D I understood why my code did not work with rectangle textures : from Cg, rectangle textures lookups are done using the texRECT function, instead of tex2D the GL_TEXTURE_RECTANGLE_ARB extension specifications make it clear that rectangle tex...
[JOGL] Update a texture with a sub-image
on Nov 16, 2006 in Programming In English Performance 3D Java There is currently no elegant way to update a sub-portion of an OpenGL texture in the JOGL API (you can only update the texture with a full BufferedImage positioned at (x,y) without being able to provide a custom width and height). As I’m...
Crazy Frog - Last Christmas
on Dec 11, 2006 in RandomStuffs 3d LINK:Crazy Frog Last ChristmasLet the Crazy Frog get you in the Christmas spirit.