BitHeaven/picom
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Improvement: Enhance --glx-swap-method

Browse Source 
- Enhance --glx-swap-method to support longer buffers ages (3-6), and
  automatic buffer age detection via GLX_EXT_buffer_age.
This commit is contained in:
Richard Grenville
2013-04-26 14:01:20 +08:00
parent 2e6fb0203d
commit 5d654e6877
4 changed files with 122 additions and 54 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
src/compton.c
View File

@@ -50,14 +50,6 @@ const char * const BACKEND_STRS[NUM_BKEND + 1] = {
NULL
};
/// Names of GLX swap methods.
const char * const GLX_SWAP_METHODS_STRS[NUM_SWAPM + 1] = {
"undefined", // SWAPM_UNDEFINED
"exchange", // SWAPM_EXCHANGE
"copy", // SWAPM_COPY
NULL
};
/// Function pointers to init VSync modes.
static bool (* const (VSYNC_FUNCS_INIT[NUM_VSYNC]))(session_t *ps) = {
[VSYNC_DRM ] = vsync_drm_init,
@@ -4266,12 +4258,14 @@ usage(void) {
" GLX backend: Avoid rebinding pixmap on window damage. Probably\n"
" could improve performance on rapid window content changes, but is\n"
" known to break things on some drivers.\n"
"--glx-swap-method undefined/exchange/copy\n"
"--glx-swap-method undefined/copy/exchange/3/4/5/6/buffer-age\n"
" GLX backend: GLX buffer swap method we assume. Could be\n"
" \"undefined\", \"exchange\", or \"copy\". \"undefined\" is the slowest\n"
" and the safest; \"exchange\" and \"copy\" are faster but may fail on\n"
" some drivers. Useless with --glx-use-copysubbuffermesa. Defaults to\n"
" \"undefined\".\n"
" undefined (0), copy (1), exchange (2), 3-6, or buffer-age (-1).\n"
" \"undefined\" is the slowest and the safest, and the default value.\n"
" 1 is fastest, but may fail on some drivers, 2-6 are gradually slower\n"
" but safer (6 is still faster than 0). -1 means auto-detect using\n"
" GLX_EXT_buffer_age, supported by some drivers. Useless with\n"
" --glx-use-copysubbuffermesa.\n"
#undef WARNING
#ifndef CONFIG_DBUS
#define WARNING WARNING_DISABLED
@@ -6027,7 +6021,7 @@ session_init(session_t *ps_old, int argc, char **argv) {
.tmout_lst = NULL,
.all_damage = None,
.all_damage_last = None,
.all_damage_last = { None },
.time_start = { 0, 0 },
.redirected = false,
.unredir_possible = false,
@@ -6478,7 +6472,8 @@ session_destroy(session_t *ps) {
free_root_tile(ps);
free_region(ps, &ps->screen_reg);
free_region(ps, &ps->all_damage);
free_region(ps, &ps->all_damage_last);
for (int i = 0; i < CGLX_MAX_BUFFER_AGE; ++i)
free_region(ps, &ps->all_damage_last[i]);
free(ps->expose_rects);
free(ps->shadow_corner);
free(ps->shadow_top);