» 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

~2d ago

mediadog: Aha! Right-click on an image to get the source link

~2d ago

~3d ago

antokhio: @luper vc redist 2013

~6d ago

guest: @Luper, you'll probably need to make the PhongDirectional etc node have one of the pins → NoTexture, and then voilà!

~7d ago

Luper: hey guy, just reinstalled VVVV and text(DX11.Geometry) not working, any idea why?

~8d ago

joreg: Reminder: Show us what you're patching on: #vvvv meetup tomorrow, Tue, Feb 23, 8pm CET: 8.-worldwide-meetup

~12d ago

vux: Hey all, we now in Berlin with @idwyr, say if you want to catch up :)