[N-Gage] Set proper brush style to draw filled rects properly.
[N-Gage] Add persistent buffers to avoid per-frame memory allocations (which are expensive)
[N-Gage] Add support for SDL_TEXTURE_ACCESS_TARGET, fixes#13165
[N-Gage] Update README, add hint that the compiler does not support aggregate initializations for structs (knowing this, avoids a lot of headache during debugging)
[N-Gage] Add basic fast-path optimisations for render operations.
[N-Gage] Fix line drawing.
Michael Fitzmayer
6e65c3fac4