» EX9.Dataflow
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EX9.Dataflow

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The overall dataflow of the 3d rendering pipeline in vvvv looks as follows:

vvvv passes several data to the graphics card:

  • Mesh
  • Texture
  • User defined variables
  • Render Sates
  • Transform matrices

First the vertexshader programm is applied to each vertex. Its major task is to project the geometry onto the screen. The output is the vertex position in screenspace for the rasterizer and other data for the pixel shader.

Between vertexshader and pixelshader the conversion from vector graphics to pixel graphics happens. This is done by the rasterizer, that calculates which screen pixels belong to the geometry. It also interpolates per-vertex data sent from the vertex shader to per-pixel data for pixels which lie between the vertices.

Then the pixelshader programm is executed for every visible pixel, as defined by the rasterizer. It calculates the final color of the pixel.

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Shoutbox

~5d ago

joreg: @micha_nismus instead of discord, we're using matrix, see: chat

~5d ago

micha_nismus: searching for a public discord server for vvvv

~13d ago

joreg: Join us for the 20th #vvvv meetup on January 19th: https://thenodeinstitute.org/event/20-worldwide-vvvv-meetup/

~13d ago

joreg: @schlonzo re "SDSL support" did you see the Shader wizard? or do you mean something different?

~13d ago

joreg: @LCA not aware, but the HIKVision sdk comes with a c# demo. need help for a commercial project? get in touch via devvvvs@vvvv.org

~14d ago

LCA: Has anyone ever made a HIKVision GigE work with vvvv?

~19d ago

schlonzo: What's the shortcut Anton used? =)

~19d ago

schlonzo: The extension manager for C# projects is an awesome addition! Could you pretty please add SDSL support?

~2mth ago

joreg: For latest #vvvv news, please follow us on #Mastodon https://mastodon.xyz/@vvvv

~3mth ago

manuel: very cool to generate matcap / cubemap for reflections https://cables.gl/p/pDCOCw