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| author | Wolfgang Draxinger <Wolfgang.Draxinger@draxit.de> | 2013-09-14 15:59:51 +0200 |
|---|---|---|
| committer | Wolfgang Draxinger <Wolfgang.Draxinger@draxit.de> | 2013-09-14 15:59:51 +0200 |
| commit | 987f70c8e9b1bab87647d4ed20df79900d6c0c9e (patch) | |
| tree | 0a02fdbc8e073dad9e141aa0aa9a378eb6194b45 /samples/OpenGL/x11argb_opengl/x11argb_opengl.c | |
| parent | de232895ac390d09ed242deaadbccbe4812b15bd (diff) | |
| download | codesamples-987f70c8e9b1bab87647d4ed20df79900d6c0c9e.tar.gz codesamples-987f70c8e9b1bab87647d4ed20df79900d6c0c9e.tar.bz2 | |
X11 clobberable window added
Diffstat (limited to 'samples/OpenGL/x11argb_opengl/x11argb_opengl.c')
| -rw-r--r-- | samples/OpenGL/x11argb_opengl/x11argb_opengl.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/samples/OpenGL/x11argb_opengl/x11argb_opengl.c b/samples/OpenGL/x11argb_opengl/x11argb_opengl.c index 1c1e2e0..723c6ae 100644 --- a/samples/OpenGL/x11argb_opengl/x11argb_opengl.c +++ b/samples/OpenGL/x11argb_opengl/x11argb_opengl.c @@ -23,12 +23,16 @@ \_____/ FTB. ------------------------------------------------------------------------*/ +#define _GNU_SOURCE #include <stdlib.h> #include <stdio.h> #include <string.h> #include <math.h> +#include <sys/types.h> +#include <time.h> + #include <GL/gl.h> #include <GL/glx.h> #include <GL/glxext.h> @@ -461,7 +465,13 @@ static void redrawTheWindow() b = fmod(b+0.5, 360.); c = fmod(c+0.25, 360.); + struct timespec Ta, Tb; + + clock_gettime(CLOCK_MONOTONIC_RAW, &Ta); glXSwapBuffers(Xdisplay, glX_window_handle); + clock_gettime(CLOCK_MONOTONIC_RAW, &Tb); + + fprintf(stderr, "glXSwapBuffers returned after %f ms\n", 1e3*((double)Tb.tv_sec + 1e-6*(double)Tb.tv_nsec) - 1e3*((double)Ta.tv_sec + 1e-6*(double)Ta.tv_nsec)); } int main(int argc, char *argv[]) |