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Now we have a consistent style across the codebase.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
This commit is contained in:
Yuxuan Shui
2019-03-10 12:34:37 +00:00
parent 7845673734
commit 22da17630f
20 changed files with 8594 additions and 9013 deletions
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230
src/vsync.c
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@@ -12,12 +12,12 @@
#endif
#ifdef CONFIG_VSYNC_DRM
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <drm.h>
#include <errno.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <sys/types.h>
#endif
#include "config.h"
@@ -27,26 +27,24 @@
/**
* Wait for next VSync, DRM method.
*
* Stolen from: https://github.com/MythTV/mythtv/blob/master/mythtv/libs/libmythtv/vsync.cpp
* Stolen from:
* https://github.com/MythTV/mythtv/blob/master/mythtv/libs/libmythtv/vsync.cpp
*/
static int
vsync_drm_wait(session_t *ps) {
int ret = -1;
drm_wait_vblank_t vbl;
static int vsync_drm_wait(session_t *ps) {
int ret = -1;
drm_wait_vblank_t vbl;
vbl.request.type = _DRM_VBLANK_RELATIVE,
vbl.request.sequence = 1;
vbl.request.type = _DRM_VBLANK_RELATIVE, vbl.request.sequence = 1;
do {
ret = ioctl(ps->drm_fd, DRM_IOCTL_WAIT_VBLANK, &vbl);
vbl.request.type &= ~_DRM_VBLANK_RELATIVE;
} while (ret && errno == EINTR);
do {
ret = ioctl(ps->drm_fd, DRM_IOCTL_WAIT_VBLANK, &vbl);
vbl.request.type &= ~_DRM_VBLANK_RELATIVE;
} while (ret && errno == EINTR);
if (ret)
log_error("VBlank ioctl did not work, unimplemented in this drmver?");
return ret;
if (ret)
log_error("VBlank ioctl did not work, unimplemented in this drmver?");
return ret;
}
#endif
@@ -55,126 +53,120 @@ vsync_drm_wait(session_t *ps) {
*
* @return true for success, false otherwise
*/
static bool
vsync_drm_init(session_t *ps) {
static bool vsync_drm_init(session_t *ps) {
#ifdef CONFIG_VSYNC_DRM
// Should we always open card0?
if (ps->drm_fd < 0 && (ps->drm_fd = open("/dev/dri/card0", O_RDWR)) < 0) {
log_error("Failed to open device.");
return false;
}
// Should we always open card0?
if (ps->drm_fd < 0 && (ps->drm_fd = open("/dev/dri/card0", O_RDWR)) < 0) {
log_error("Failed to open device.");
return false;
}
if (vsync_drm_wait(ps))
return false;
if (vsync_drm_wait(ps))
return false;
return true;
return true;
#else
log_error("compton is not compiled with DRM VSync support.");
return false;
log_error("compton is not compiled with DRM VSync support.");
return false;
#endif
}
/**
* Initialize OpenGL VSync.
*
* Stolen from: http://git.tuxfamily.org/?p=ccm/cairocompmgr.git;a=commitdiff;h=efa4ceb97da501e8630ca7f12c99b1dce853c73e
* Stolen from:
* http://git.tuxfamily.org/?p=ccm/cairocompmgr.git;a=commitdiff;h=efa4ceb97da501e8630ca7f12c99b1dce853c73e
* Possible original source: http://www.inb.uni-luebeck.de/~boehme/xvideo_sync.html
*
* @return true for success, false otherwise
*/
static bool
vsync_opengl_init(session_t *ps) {
static bool vsync_opengl_init(session_t *ps) {
#ifdef CONFIG_OPENGL
if (!ensure_glx_context(ps))
return false;
if (!ensure_glx_context(ps))
return false;
return glxext.has_GLX_SGI_video_sync;
return glxext.has_GLX_SGI_video_sync;
#else
log_error("compton is not compiled with OpenGL VSync support.");
return false;
log_error("compton is not compiled with OpenGL VSync support.");
return false;
#endif
}
static bool
vsync_opengl_oml_init(session_t *ps) {
static bool vsync_opengl_oml_init(session_t *ps) {
#ifdef CONFIG_OPENGL
if (!ensure_glx_context(ps))
return false;
if (!ensure_glx_context(ps))
return false;
return glxext.has_GLX_OML_sync_control;
return glxext.has_GLX_OML_sync_control;
#else
log_error("compton is not compiled with OpenGL VSync support.");
return false;
log_error("compton is not compiled with OpenGL VSync support.");
return false;
#endif
}
#ifdef CONFIG_OPENGL
static inline bool
vsync_opengl_swc_swap_interval(session_t *ps, unsigned int interval) {
if (glxext.has_GLX_MESA_swap_control)
return glXSwapIntervalMESA(interval) == 0;
else if (glxext.has_GLX_SGI_swap_control)
return glXSwapIntervalSGI(interval) == 0;
else if (glxext.has_GLX_EXT_swap_control) {
GLXDrawable d = glXGetCurrentDrawable();
if (d == None) {
// We don't have a context??
return false;
}
glXSwapIntervalEXT(ps->dpy, glXGetCurrentDrawable(), interval);
return true;
}
return false;
static inline bool vsync_opengl_swc_swap_interval(session_t *ps, unsigned int interval) {
if (glxext.has_GLX_MESA_swap_control)
return glXSwapIntervalMESA(interval) == 0;
else if (glxext.has_GLX_SGI_swap_control)
return glXSwapIntervalSGI(interval) == 0;
else if (glxext.has_GLX_EXT_swap_control) {
GLXDrawable d = glXGetCurrentDrawable();
if (d == None) {
// We don't have a context??
return false;
}
glXSwapIntervalEXT(ps->dpy, glXGetCurrentDrawable(), interval);
return true;
}
return false;
}
#endif
static bool
vsync_opengl_swc_init(session_t *ps) {
static bool vsync_opengl_swc_init(session_t *ps) {
#ifdef CONFIG_OPENGL
if (!bkend_use_glx(ps)) {
log_warn("OpenGL swap control requires the GLX backend.");
return false;
}
if (!bkend_use_glx(ps)) {
log_warn("OpenGL swap control requires the GLX backend.");
return false;
}
if (!vsync_opengl_swc_swap_interval(ps, 1)) {
log_error("Failed to load a swap control extension.");
return false;
}
if (!vsync_opengl_swc_swap_interval(ps, 1)) {
log_error("Failed to load a swap control extension.");
return false;
}
return true;
return true;
#else
log_error("compton is not compiled with OpenGL VSync support.");
return false;
log_error("compton is not compiled with OpenGL VSync support.");
return false;
#endif
}
static bool
vsync_opengl_mswc_init(session_t *ps) {
log_warn("opengl-mswc is deprecated, please use opengl-swc instead.");
return vsync_opengl_swc_init(ps);
static bool vsync_opengl_mswc_init(session_t *ps) {
log_warn("opengl-mswc is deprecated, please use opengl-swc instead.");
return vsync_opengl_swc_init(ps);
}
bool (*const VSYNC_FUNCS_INIT[NUM_VSYNC])(session_t *ps) = {
[VSYNC_DRM ] = vsync_drm_init,
[VSYNC_OPENGL ] = vsync_opengl_init,
[VSYNC_OPENGL_OML ] = vsync_opengl_oml_init,
[VSYNC_OPENGL_SWC ] = vsync_opengl_swc_init,
[VSYNC_OPENGL_MSWC ] = vsync_opengl_mswc_init,
[VSYNC_DRM] = vsync_drm_init,
[VSYNC_OPENGL] = vsync_opengl_init,
[VSYNC_OPENGL_OML] = vsync_opengl_oml_init,
[VSYNC_OPENGL_SWC] = vsync_opengl_swc_init,
[VSYNC_OPENGL_MSWC] = vsync_opengl_mswc_init,
};
#ifdef CONFIG_OPENGL
/**
* Wait for next VSync, OpenGL method.
*/
static int
vsync_opengl_wait(session_t *ps) {
unsigned vblank_count = 0;
static int vsync_opengl_wait(session_t *ps) {
unsigned vblank_count = 0;
glXGetVideoSyncSGI(&vblank_count);
glXWaitVideoSyncSGI(2, (vblank_count + 1) % 2, &vblank_count);
// I see some code calling glXSwapIntervalSGI(1) afterwards, is it required?
glXGetVideoSyncSGI(&vblank_count);
glXWaitVideoSyncSGI(2, (vblank_count + 1) % 2, &vblank_count);
// I see some code calling glXSwapIntervalSGI(1) afterwards, is it required?
return 0;
return 0;
}
/**
@@ -182,15 +174,13 @@ vsync_opengl_wait(session_t *ps) {
*
* https://mail.gnome.org/archives/clutter-list/2012-November/msg00031.html
*/
static int
vsync_opengl_oml_wait(session_t *ps) {
int64_t ust = 0, msc = 0, sbc = 0;
static int vsync_opengl_oml_wait(session_t *ps) {
int64_t ust = 0, msc = 0, sbc = 0;
glXGetSyncValuesOML(ps->dpy, ps->reg_win, &ust, &msc, &sbc);
glXWaitForMscOML(ps->dpy, ps->reg_win, 0, 2, (msc + 1) % 2,
&ust, &msc, &sbc);
glXGetSyncValuesOML(ps->dpy, ps->reg_win, &ust, &msc, &sbc);
glXWaitForMscOML(ps->dpy, ps->reg_win, 0, 2, (msc + 1) % 2, &ust, &msc, &sbc);
return 0;
return 0;
}
#endif
@@ -198,27 +188,25 @@ vsync_opengl_oml_wait(session_t *ps) {
/// Function pointers to wait for VSync.
int (*const VSYNC_FUNCS_WAIT[NUM_VSYNC])(session_t *ps) = {
#ifdef CONFIG_VSYNC_DRM
[VSYNC_DRM ] = vsync_drm_wait,
[VSYNC_DRM] = vsync_drm_wait,
#endif
#ifdef CONFIG_OPENGL
[VSYNC_OPENGL ] = vsync_opengl_wait,
[VSYNC_OPENGL_OML ] = vsync_opengl_oml_wait,
[VSYNC_OPENGL] = vsync_opengl_wait,
[VSYNC_OPENGL_OML] = vsync_opengl_oml_wait,
#endif
};
#ifdef CONFIG_OPENGL
static void
vsync_opengl_swc_deinit(session_t *ps) {
vsync_opengl_swc_swap_interval(ps, 0);
static void vsync_opengl_swc_deinit(session_t *ps) {
vsync_opengl_swc_swap_interval(ps, 0);
}
#endif
/// Function pointers to deinitialize VSync.
void (*const VSYNC_FUNCS_DEINIT[NUM_VSYNC])(session_t *ps) = {
#ifdef CONFIG_OPENGL
[VSYNC_OPENGL_SWC ] = vsync_opengl_swc_deinit,
[VSYNC_OPENGL_MSWC ] = vsync_opengl_swc_deinit,
[VSYNC_OPENGL_SWC] = vsync_opengl_swc_deinit,
[VSYNC_OPENGL_MSWC] = vsync_opengl_swc_deinit,
#endif
};
@@ -226,36 +214,34 @@ void (*const VSYNC_FUNCS_DEINIT[NUM_VSYNC])(session_t *ps) = {
* Initialize current VSync method.
*/
bool vsync_init(session_t *ps) {
// Mesa turns on swap control by default, undo that
// Mesa turns on swap control by default, undo that
#ifdef CONFIG_OPENGL
if (bkend_use_glx(ps))
vsync_opengl_swc_swap_interval(ps, 0);
if (bkend_use_glx(ps))
vsync_opengl_swc_swap_interval(ps, 0);
#endif
if (ps->o.vsync && VSYNC_FUNCS_INIT[ps->o.vsync]
&& !VSYNC_FUNCS_INIT[ps->o.vsync](ps)) {
ps->o.vsync = VSYNC_NONE;
return false;
}
else
return true;
if (ps->o.vsync && VSYNC_FUNCS_INIT[ps->o.vsync] && !VSYNC_FUNCS_INIT[ps->o.vsync](ps)) {
ps->o.vsync = VSYNC_NONE;
return false;
} else
return true;
}
/**
* Wait for next VSync.
*/
void vsync_wait(session_t *ps) {
if (!ps->o.vsync)
return;
if (!ps->o.vsync)
return;
if (VSYNC_FUNCS_WAIT[ps->o.vsync])
VSYNC_FUNCS_WAIT[ps->o.vsync](ps);
if (VSYNC_FUNCS_WAIT[ps->o.vsync])
VSYNC_FUNCS_WAIT[ps->o.vsync](ps);
}
/**
* Deinitialize current VSync method.
*/
void vsync_deinit(session_t *ps) {
if (ps->o.vsync && VSYNC_FUNCS_DEINIT[ps->o.vsync])
VSYNC_FUNCS_DEINIT[ps->o.vsync](ps);
if (ps->o.vsync && VSYNC_FUNCS_DEINIT[ps->o.vsync])
VSYNC_FUNCS_DEINIT[ps->o.vsync](ps);
}