fixes VWR-4214 Glow effect passes through alpha textures where alpha is actually "solid"

and its many many dupes.

In summary this does the following:
* When laying down alpha, uses the new separated color-and-alpha blend func support to suppress existing glow in proportion to the opacity of the incoming fragments
* Moves glowing-alpha support from the glow pool to the alpha pool, ensures that the glow pass for a vertex buffer happens after the alpha pass for the vertex buffer so that it doesn't suppress its *own* glow.

Tested with all shader modes, FBO on/off, and deferred rendering.  Tested with every permutation of alpha/non-alpha/glow/non-glow/fullbright/waterglow/particle interaction I could contrive so far. :)

0 files changed, 0 insertions, 0 deletions