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vsync: choose vsync method automatically

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Choose the best vsync method for the user, instead of asking them to
frustratingly try every one of the options to see what works.

With this commit, the `vsync` option will take only a boolean value.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
This commit is contained in:
Yuxuan Shui
2019-03-10 14:55:17 +00:00
parent e7de44260b
commit cebe1b18d6
12 changed files with 81 additions and 179 deletions
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30
src/config.h
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@ -28,17 +28,6 @@
typedef struct session session_t;
/// VSync modes.
typedef enum {
VSYNC_NONE,
VSYNC_DRM,
VSYNC_OPENGL,
VSYNC_OPENGL_OML,
VSYNC_OPENGL_SWC,
VSYNC_OPENGL_MSWC,
NUM_VSYNC,
} vsync_t;
/// @brief Possible backends of compton.
enum backend {
BKEND_XRENDER,
@ -138,9 +127,7 @@ typedef struct options_t {
/// Whether to enable refresh-rate-based software optimization.
bool sw_opti;
/// VSync method to use;
vsync_t vsync;
/// Whether to do VSync aggressively.
bool vsync_aggressive;
bool vsync;
/// Whether to use glFinish() instead of glFlush() for (possibly) better
/// VSync yet probably higher CPU usage.
bool vsync_use_glfinish;
@ -238,7 +225,6 @@ typedef struct options_t {
bool track_leader;
} options_t;
extern const char *const VSYNC_STRS[NUM_VSYNC + 1];
extern const char *const BACKEND_STRS[NUM_BKEND + 1];
attr_warn_unused_result bool parse_long(const char *, long *);
@ -347,14 +333,12 @@ static inline attr_pure int parse_glx_swap_method(const char *str) {
/**
* Parse a VSync option argument.
*/
static inline vsync_t parse_vsync(const char *str) {
for (vsync_t i = 0; VSYNC_STRS[i]; ++i)
if (!strcasecmp(str, VSYNC_STRS[i])) {
return i;
}
log_error("Invalid vsync argument: %s", str);
return NUM_VSYNC;
static inline bool parse_vsync(const char *str) {
if (strcmp(str, "no") == 0 || strcmp(str, "none") == 0 ||
strcmp(str, "false") == 0 || strcmp(str, "nah") == 0) {
return false;
}
return true;
}
// vim: set noet sw=8 ts=8 :