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-rw-r--r--compton.h32
1 files changed, 24 insertions, 8 deletions
diff --git a/compton.h b/compton.h
index 77c67ed3e..6ae31814b 100644
--- a/compton.h
+++ b/compton.h
@@ -111,7 +111,7 @@ extern struct timeval time_start;
#define WINDOW_ARGB 2
#define FADE_DELTA_TOLERANCE 0.2
-#define VSYNC_SW_TOLERANCE 1000
+#define SW_OPTI_TOLERANCE 1000
#define NS_PER_SEC 1000000000L
#define US_PER_SEC 1000000L
@@ -286,7 +286,6 @@ typedef struct _win {
typedef enum _vsync_t {
VSYNC_NONE,
- VSYNC_SW,
VSYNC_DRM,
VSYNC_OPENGL,
} vsync_t;
@@ -313,9 +312,11 @@ typedef struct _options {
/// Whether to work under synchronized mode for debugging.
Bool synchronize;
- // VSync
+ // VSync and software optimization
/// User-specified refresh rate.
int refresh_rate;
+ /// Whether to enable refresh-rate-based software optimization.
+ Bool sw_opti;
/// VSync method to use;
vsync_t vsync;
/// Whether to enable double buffer.
@@ -620,6 +621,21 @@ timespec_subtract(struct timespec *result,
}
/**
+ * Get current time in struct timespec.
+ *
+ * Note its starting time is unspecified.
+ */
+static inline struct timespec
+get_time_timespec(void) {
+ struct timespec tm = { 0 };
+
+ clock_gettime(CLOCK_MONOTONIC, &tm);
+
+ // Return a time of all 0 if the call fails
+ return tm;
+}
+
+/**
* Print time passed since program starts execution.
*
* Used for debugging.
@@ -1136,10 +1152,10 @@ static void
update_refresh_rate(Display *dpy);
static Bool
-vsync_sw_init(void);
+sw_opti_init(void);
-static struct timespec
-vsync_sw_ntimeout(int timeout);
+static int
+evpoll(struct pollfd *fd, int timeout);
static Bool
vsync_drm_init(void);
@@ -1157,8 +1173,8 @@ static void
vsync_opengl_wait(void);
#endif
-static Bool
-vsync_wait(Display *dpy, struct pollfd *fd, int timeout);
+static void
+vsync_wait(void);
static void
init_alpha_picts(Display *dpy);