X-Git-Url: https://git.draconx.ca/gitweb/rrace.git/blobdiff_plain/ceb2df0fe41852ba3f5637dcd04217113b4259ba..ca97af514870895e228df0443adc5a16be4d9a78:/src/x11.c

diff --git a/src/x11.c b/src/x11.c
index 6d09a7d..459694a 100644
--- a/src/x11.c
+++ b/src/x11.c
@@ -38,6 +38,11 @@
 #  include <unistd.h>
 #endif
 
+/* status flags in the upper bits are ORed into the game mask which only
+ * needs the lower 25 bits */
+#define X11_TICK_INSTALLED (1ul << 31)
+#define X11_PROC_INSTALLED (1ul << 30)
+
 enum {
 	NUM_TILE_COLOURS = COLOUR_MAX*(TILE_MAX-1),
 	COLOUR_UI_GAMEBG = NUM_TILE_COLOURS,
@@ -321,8 +326,6 @@ static Boolean do_render(void *data)
 	x11_redraw_game(state, state->render_game_mask);
 
 	state->render_goal_mask = state->render_game_mask = 0;
-	state->render_proc = 0;
-	state->render_tick = 0;
 	return True;
 }
 
@@ -331,11 +334,12 @@ static void start_render(void *data, XtIntervalId *id)
 	struct app_state *state = data;
 	XtAppContext app;
 
-	if (state->render_proc)
+	if (state->render_game_mask & X11_PROC_INSTALLED)
 		return;
 
+	state->render_game_mask |= X11_PROC_INSTALLED;
 	app = XtWidgetToApplicationContext(state->game);
-	state->render_proc = XtAppAddWorkProc(app, do_render, state);
+	XtAppAddWorkProc(app, do_render, state);
 }
 
 void x11_queue_render(struct app_state *state, uint_fast32_t mask, int mode)
@@ -343,14 +347,16 @@ void x11_queue_render(struct app_state *state, uint_fast32_t mask, int mode)
 	uint_fast32_t changed = 0;
 	XtAppContext app;
 
+	mask &= GAME_MASK;
 	if (mode & RENDER_MODE_GOAL)
 		changed |= state->render_goal_mask |= mask;
 	if (mode & RENDER_MODE_GAME)
 		changed |= state->render_game_mask |= mask;
 
-	if (state->render_tick || !changed)
+	if (changed & X11_TICK_INSTALLED || !changed)
 		return;
 
+	state->render_game_mask |= X11_TICK_INSTALLED;
 	app = XtWidgetToApplicationContext(state->game);
-	state->render_tick = XtAppAddTimeOut(app, 3, start_render, state);
+	XtAppAddTimeOut(app, 3, start_render, state);
 }