Fix vsync-drm
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fa98564040
commit
09e372cc9d
63
src/vsync.c
63
src/vsync.c
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@ -10,8 +10,44 @@
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#include "opengl.h"
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#endif
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#ifdef CONFIG_VSYNC_DRM
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <drm.h>
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#include <errno.h>
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#include <sys/ioctl.h>
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#endif
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#include "vsync.h"
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#ifdef CONFIG_VSYNC_DRM
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/**
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* Wait for next VSync, DRM method.
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*
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* Stolen from: https://github.com/MythTV/mythtv/blob/master/mythtv/libs/libmythtv/vsync.cpp
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*/
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static int
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vsync_drm_wait(session_t *ps) {
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int ret = -1;
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drm_wait_vblank_t vbl;
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vbl.request.type = _DRM_VBLANK_RELATIVE,
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vbl.request.sequence = 1;
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do {
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ret = ioctl(ps->drm_fd, DRM_IOCTL_WAIT_VBLANK, &vbl);
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vbl.request.type &= ~_DRM_VBLANK_RELATIVE;
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} while (ret && errno == EINTR);
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if (ret)
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log_error("VBlank ioctl did not work, unimplemented in this drmver?");
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return ret;
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}
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#endif
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/**
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* Initialize DRM VSync.
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*
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@ -168,33 +204,6 @@ bool (*const VSYNC_FUNCS_INIT[NUM_VSYNC])(session_t *ps) = {
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[VSYNC_OPENGL_MSWC ] = vsync_opengl_mswc_init,
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};
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#ifdef CONFIG_VSYNC_DRM
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/**
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* Wait for next VSync, DRM method.
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*
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* Stolen from: https://github.com/MythTV/mythtv/blob/master/mythtv/libs/libmythtv/vsync.cpp
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*/
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static int
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vsync_drm_wait(session_t *ps) {
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int ret = -1;
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drm_wait_vblank_t vbl;
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vbl.request.type = _DRM_VBLANK_RELATIVE,
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vbl.request.sequence = 1;
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do {
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ret = ioctl(ps->drm_fd, DRM_IOCTL_WAIT_VBLANK, &vbl);
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vbl.request.type &= ~_DRM_VBLANK_RELATIVE;
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} while (ret && errno == EINTR);
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if (ret)
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log_error("VBlank ioctl did not work, unimplemented in this drmver?");
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return ret;
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}
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#endif
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#ifdef CONFIG_OPENGL
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/**
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* Wait for next VSync, OpenGL method.
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