This also replaces DTA_ColormapStyle with proper implementations of its components. As implemented it was a very awkward mixture of various effects that already existed in a separate form. As a result of its implementation it required additional but completely redundant shader support which could be removed now. As a side effect of this change a new DTA_Desaturate option was added.
No more locking insanity! :)
There are no locking counters or other saveguards here that would complicate the implementation because there's precisely two places where this buffer must be locked - the RenderView functions of the regular and poly SW renderer which cannot be called recursively.
In its current form this is quite useless. What's really needed is to require a lock on the RenderBuffer for the 3D scene, but since this is not needed for the 2D stuff anymore it can be done far simpler.
This was a bad idea from the start and really only made sense with DirectDraw.
These days a FrameBuffer represents an abstract hardware canvas that shares nothing with a software canvas so having these classes linked together makes things needlessly complicated.
The software render buffer is now a canvas object owned by the FrameBuffer.
Note that this commit deactivates a few things in the software renderer, but from the looks of it none of those will be needed anymore if we set OpenGL 2 as minimum target.
This is a necessary first step for simplifying the texture handling in order to refactor it.
# Conflicts:
# src/gl/system/gl_swframebuffer.cpp
# src/textures/textures.h
# src/win32/fb_d3d9.cpp
This was done mainly to reduce the amount of occurences of the word FTexture but it immediately helped detect two small and mostly harmless bugs that were found due to the stricter type checks.
This merely addresses the crashing issue, it does nothing about the faulty initialization logic here that causes the chorus not to get initialized properly if reverb is active.
The issue needs more in-detail investigation but for now this has to suffice.
Notes:
* ADL: The DMX volume model was set as default to unify volumes on all bank. Otherwise, if you will use 'Generic' or 'Win9x', the sound will became too loud than wanted. Each bank has own default volume model which is used when 'Auto' is set.
* ADL: 6 chips is optimal to work with default banks
* OPN: 8 chips are set to provide 48 polyphony channels. (each OPN2 chip has 6 channels only)
* Text files: junk spaces from end of lines are was auto-removed.
