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win: split struct win

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Currently compton handles window creation event by immediately query all
the information it needs and create a window struct with that
information. However, this is prone to race conditions.

In the future, we want to react to window creation event by creating a
placeholder in the window stack, and only query window information in a
critical section where the X server is grabbed by us.

This commit split struct win into two struct, one as placeholder, the
other for holding actual window information.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
This commit is contained in:
Yuxuan Shui
2019-04-17 23:14:45 +01:00
parent 27603343a1
commit bd4c242015
17 changed files with 699 additions and 514 deletions
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7
src/render.h
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@@ -12,9 +12,10 @@
typedef struct _glx_texture glx_texture_t;
typedef struct glx_prog_main glx_prog_main_t;
typedef struct win win;
typedef struct session session_t;
struct managed_win;
typedef struct paint {
xcb_pixmap_t pixmap;
xcb_render_picture_t pict;
@@ -27,9 +28,9 @@ typedef struct paint {
void render(session_t *ps, int x, int y, int dx, int dy, int w, int h, double opacity,
bool argb, bool neg, xcb_render_picture_t pict, glx_texture_t *ptex,
const region_t *reg_paint, const glx_prog_main_t *pprogram);
void paint_one(session_t *ps, win *w, const region_t *reg_paint);
void paint_one(session_t *ps, struct managed_win *w, const region_t *reg_paint);
void paint_all(session_t *ps, win *const t, bool ignore_damage);
void paint_all(session_t *ps, struct managed_win *const t, bool ignore_damage);
void free_picture(xcb_connection_t *c, xcb_render_picture_t *p);