Squashed commit of the following:
commit b463a05d4b909372f0cd1ad91caa0c77a25e5901
Author: RSDuck <rsduck@users.noreply.github.com>
Date: Mon Nov 30 01:55:35 2020 +0100
minor fix
commit ce73cebbdf5da243d7ebade82d8799ded9cd6b28
Author: RSDuck <rsduck@users.noreply.github.com>
Date: Mon Nov 30 00:43:08 2020 +0100
fix dirty flags of BG/OBJ mappings not being reset
commit fc5d73a6178e3adc444398bdd23de8314b5ca8f8
Author: RSDuck <rsduck@users.noreply.github.com>
Date: Mon Nov 30 00:11:13 2020 +0100
use flat vram for gpu2d everywhere
commit 34ee9fe2bf04fcfa2a5a1c8d78d70007e606f1a2
Author: RSDuck <rsduck@users.noreply.github.com>
Date: Sat Nov 28 19:10:34 2020 +0100
mark VRAM dirty for display capture
commit e8778fa2f429c6df0eece19d6a5ee83ae23a0cf4
Author: RSDuck <rsduck@users.noreply.github.com>
Date: Sat Nov 28 18:59:31 2020 +0100
use flat VRAM for textures and texpals
also skip rendering if nothing changed and a bunch of fixes
commit 53f2041e2e1a28b35702a2ed51de885c36689f71
Author: RSDuck <rsduck@users.noreply.github.com>
Date: Fri Nov 27 18:29:56 2020 +0100
use vram dirty tracking for extpals
also preparations to take this further
commit 4cdfa329e95aed26d3b21319c8fd86a04abf20f7
Author: RSDuck <rsduck@users.noreply.github.com>
Date: Mon Nov 16 23:32:22 2020 +0100
VRAM dirty tracking
* mode6 actually works on the sub GPU, albeit limited to 1/4 the full bitmap size due to having only 128K of VRAM
* mode7 draws BG0, BG1 and sprites. no BG2/BG3.
apparently hardware only ever updates its 'inside/outside window' status when reaching the coordinates. which becomes apparent if you, like, try to invert a window midframe.
RSDuck