diff options
| author | Aaron Plattner <aplattner@nvidia.com> | 2010-01-26 10:14:11 -0800 |
|---|---|---|
| committer | Brian Paul <brianp@vmware.com> | 2010-01-26 12:00:51 -0700 |
| commit | 116470adb8a2262be43003986b1d95b16b3202bc (patch) | |
| tree | 3c00d464fff7e6b50de7f38ff9f1ebbc9fb1a12e /src/xdemos/glxgears.c | |
| parent | 6b50eda2c39be3dd219022440cd28e3dbd15809d (diff) | |
glxgears: Support GLX_EXT_swap_control for querying the current swap interval.
Signed-off-by: Aaron Plattner <aplattner@nvidia.com>
Signed-off-by: Brian Paul <brianp@vmware.com>
Diffstat (limited to 'src/xdemos/glxgears.c')
| -rw-r--r-- | src/xdemos/glxgears.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/src/xdemos/glxgears.c b/src/xdemos/glxgears.c index 2993c824..92c75caa 100644 --- a/src/xdemos/glxgears.c +++ b/src/xdemos/glxgears.c @@ -35,6 +35,7 @@ #include <X11/keysym.h> #include <GL/gl.h> #include <GL/glx.h> +#include <GL/glxext.h> #ifndef GLX_MESA_swap_control #define GLX_MESA_swap_control 1 @@ -586,11 +587,17 @@ is_glx_extension_supported(Display *dpy, const char *query) * Attempt to determine whether or not the display is synched to vblank. */ static void -query_vsync(Display *dpy) +query_vsync(Display *dpy, GLXDrawable drawable) { int interval = 0; - +#if defined(GLX_EXT_swap_control) + if (is_glx_extension_supported(dpy, "GLX_EXT_swap_control")) { + unsigned int tmp = -1; + glXQueryDrawable(dpy, drawable, GLX_SWAP_INTERVAL_EXT, &tmp); + interval = tmp; + } else +#endif if (is_glx_extension_supported(dpy, "GLX_MESA_swap_control")) { PFNGLXGETSWAPINTERVALMESAPROC pglXGetSwapIntervalMESA = (PFNGLXGETSWAPINTERVALMESAPROC) @@ -749,7 +756,7 @@ main(int argc, char *argv[]) make_window(dpy, "glxgears", x, y, winWidth, winHeight, &win, &ctx); XMapWindow(dpy, win); glXMakeCurrent(dpy, win, ctx); - query_vsync(dpy); + query_vsync(dpy, win); if (printInfo) { printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER)); |