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add macro: IS_SCREEN_SURFACE

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Vincent Wei
2020-01-21 12:06:53 +08:00
parent 10c69afbf7
commit 21866051b5
1 changed files with 12 additions and 3 deletions
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15
src/include/dc.h
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@@ -501,10 +501,13 @@ static inline void _dc_step_y (PDC pdc, int step)
# define BLOCK_DRAW_SEM(pdc)
# define UNBLOCK_DRAW_SEM(pdc)
# ifndef _MG_MINIMALGDI
# define IS_SCREEN_SURFACE(pdc) \
(pdc->surface == __gal_screen)
# define WITHOUT_DRAWING(pdc) \
(__mg_switch_away && pdc->surface == __gal_screen)
# else /* defined _MG_MINIMALGDI */
# define WITHOUT_DRAWING(pdc) (FALSE)
# define IS_SCREEN_SURFACE(pdc) (TRUE)
# define WITHOUT_DRAWING(pdc) (FALSE)
# endif /* defined _MG_MINIMALGDI */
# else /* defined _MGRM_PROCESSES */
@@ -522,6 +525,9 @@ do { \
sem_post (&pdc->surface->shared_header->sem_lock); \
} while (0)
# define IS_SCREEN_SURFACE(pdc) \
(mgIsServer && pdc->surface == __gal_screen)
# define WITHOUT_DRAWING(pdc) \
(mgIsServer && __mg_switch_away && \
pdc->surface == __gal_screen)
@@ -531,15 +537,18 @@ do { \
# define BLOCK_DRAW_SEM(pdc) \
do { \
if (!mgIsServer && pdc->surface == __gal_screen) \
LOCK_DRAW_SEM (); \
LOCK_DRAW_SEM (); \
} while (0)
# define UNBLOCK_DRAW_SEM(pdc) \
do { \
if (!mgIsServer && pdc->surface == __gal_screen) \
UNLOCK_DRAW_SEM (); \
UNLOCK_DRAW_SEM (); \
} while (0)
# define IS_SCREEN_SURFACE(pdc) \
(pdc->surface == __gal_screen)
# define WITHOUT_DRAWING(pdc) \
(((!mgIsServer && \
(SHAREDRES_TOPMOST_LAYER != __mg_layer)) || \