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devdraw: x11 working again

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Need to think a bit more about locking,
but overall it's a working devdraw.

Multiclient mode may not be working
but nothing is using it yet.
This commit is contained in:
Russ Cox 2020-01-12 14:53:46 -05:00 • committed by Russ Cox
parent 892b3c4687
commit 50923426bf
14 changed files with 1845 additions and 2341 deletions
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15
src/cmd/devdraw/devdraw.h
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@ -85,7 +85,7 @@ struct Client
// Only accessed/modified by the graphics thread.
const void* view;
// eventlk protects the keyboard and mouse events.
QLock eventlk;
Kbdbuf kbd;
@ -204,14 +204,19 @@ void rpc_setmouse(Client*, Point);
void rpc_shutdown(void);
void rpc_topwin(Client*);
void rpc_main(void);
// TODO: rpc_flush is called from draw_datawrite,
// which holds c->drawlk. Is this OK?
void rpc_bouncemouse(Client*, Mouse);
void rpc_flush(Client*, Rectangle);
// rpc_gfxdrawlock and rpc_gfxdrawunlock
// are called around drawing operations to lock and unlock
// access to the graphics display, for systems where the
// individual memdraw operations use the graphics display (X11, not macOS).
void rpc_gfxdrawlock(void);
void rpc_gfxdrawunlock(void);
// draw* routines are called on the RPC thread,
// invoked by the RPC server to do pixel pushing.
// c->drawlk is held on entry.
// No locks are held on entry.
int draw_dataread(Client*, void*, int);
int draw_datawrite(Client*, void*, int);
void draw_initdisplaymemimage(Client*, Memimage*);