Compositor: Difference between revisions

Compositor (view source)

32 bytes added , 2 April 2020

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 ==== Rendering correct depth ====
-The ALS pipeline uses a logarithmic depth buffer. This is accomplished by writing to <tt>gl_FragDepth</tt> in the fragment shader or by modifying <tt>gl_Position.z</tt> in the vertex shader. The 2nd option is faster but doesn't work for very large polygons (like the terrain), so you should use it by default unless visual bugs appear.
+The ALS pipeline uses a logarithmic depth buffer. This is accomplished by writing to <tt>gl_FragDepth</tt> in the fragment shader or by modifying <tt>gl_Position.z</tt> in the vertex shader. The 2nd option is faster but doesn't work for polygons that intersect of the near plane of the camera (e.g. terrain), so you should use it by default unless visual bugs appear.
 * '''1st option'''.