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Diffstat (limited to 'src/glx/x11/glxcmds.c')
-rw-r--r--src/glx/x11/glxcmds.c128
1 files changed, 69 insertions, 59 deletions
diff --git a/src/glx/x11/glxcmds.c b/src/glx/x11/glxcmds.c
index 848ba3bba1d..2d217517af6 100644
--- a/src/glx/x11/glxcmds.c
+++ b/src/glx/x11/glxcmds.c
@@ -2169,6 +2169,68 @@ static Bool __glXGetSyncValuesOML(Display *dpy, GLXDrawable drawable,
return False;
}
+#ifdef GLX_DIRECT_RENDERING
+GLboolean
+__driGetMscRateOML(__DRIdrawable *draw, int32_t *numerator, int32_t *denominator)
+{
+#ifdef XF86VIDMODE
+ __GLXscreenConfigs *psc;
+ XF86VidModeModeLine mode_line;
+ int dot_clock;
+ int i;
+ __GLXdrawable *glxDraw;
+
+ glxDraw = containerOf(draw, __GLXdrawable, driDrawable);
+ psc = glxDraw->psc;
+ if (XF86VidModeQueryVersion(psc->dpy, &i, &i) &&
+ XF86VidModeGetModeLine(psc->dpy, psc->scr, &dot_clock, &mode_line) ) {
+ unsigned n = dot_clock * 1000;
+ unsigned d = mode_line.vtotal * mode_line.htotal;
+
+# define V_INTERLACE 0x010
+# define V_DBLSCAN 0x020
+
+ if (mode_line.flags & V_INTERLACE)
+ n *= 2;
+ else if (mode_line.flags & V_DBLSCAN)
+ d *= 2;
+
+ /* The OML_sync_control spec requires that if the refresh rate is a
+ * whole number, that the returned numerator be equal to the refresh
+ * rate and the denominator be 1.
+ */
+
+ if (n % d == 0) {
+ n /= d;
+ d = 1;
+ }
+ else {
+ static const unsigned f[] = { 13, 11, 7, 5, 3, 2, 0 };
+
+ /* This is a poor man's way to reduce a fraction. It's far from
+ * perfect, but it will work well enough for this situation.
+ */
+
+ for (i = 0; f[i] != 0; i++) {
+ while (n % f[i] == 0 && d % f[i] == 0) {
+ d /= f[i];
+ n /= f[i];
+ }
+ }
+ }
+
+ *numerator = n;
+ *denominator = d;
+
+ return True;
+ }
+ else
+ return False;
+#else
+ return False;
+#endif
+}
+#endif
/**
* Determine the refresh rate of the specified drawable and display.
@@ -2186,71 +2248,19 @@ static Bool __glXGetSyncValuesOML(Display *dpy, GLXDrawable drawable,
* when GLX_OML_sync_control appears in the client extension string.
*/
-GLboolean __glXGetMscRateOML(__DRIdrawable *draw,
+GLboolean __glXGetMscRateOML(Display * dpy, GLXDrawable drawable,
int32_t * numerator, int32_t * denominator)
{
#if defined( GLX_DIRECT_RENDERING ) && defined( XF86VIDMODE )
- __GLXdrawable *glxDraw =
- containerOf(draw, __GLXdrawable, driDrawable);
- __GLXscreenConfigs *psc = glxDraw->psc;
- Display *dpy = psc->dpy;
- __GLXdisplayPrivate * const priv = __glXInitialize(dpy);
-
-
- if ( priv != NULL ) {
- XF86VidModeModeLine mode_line;
- int dot_clock;
- int i;
-
-
- if (XF86VidModeQueryVersion( dpy, & i, & i ) &&
- XF86VidModeGetModeLine(dpy, psc->scr, &dot_clock, &mode_line) ) {
- unsigned n = dot_clock * 1000;
- unsigned d = mode_line.vtotal * mode_line.htotal;
-
-# define V_INTERLACE 0x010
-# define V_DBLSCAN 0x020
+ __DRIdrawable *driDraw = GetDRIDrawable(dpy, drawable, NULL);
- if ( (mode_line.flags & V_INTERLACE) ) {
- n *= 2;
- }
- else if ( (mode_line.flags & V_DBLSCAN) ) {
- d *= 2;
- }
-
- /* The OML_sync_control spec requires that if the refresh rate is a
- * whole number, that the returned numerator be equal to the refresh
- * rate and the denominator be 1.
- */
-
- if ( (n % d) == 0 ) {
- n /= d;
- d = 1;
- }
- else {
- static const unsigned f[] = { 13, 11, 7, 5, 3, 2, 0 };
-
-
- /* This is a poor man's way to reduce a fraction. It's far from
- * perfect, but it will work well enough for this situation.
- */
-
- for ( i = 0 ; f[i] != 0 ; i++ ) {
- while ( ((n % f[i]) == 0) && ((d % f[i]) == 0) ) {
- d /= f[i];
- n /= f[i];
- }
- }
- }
-
- *numerator = n;
- *denominator = d;
+ if (driDraw == NULL)
+ return False;
- return True;
- }
- }
+ return __driGetMscRateOML(driDraw, numerator, denominator);
#else
- (void) draw;
+ (void) dpy;
+ (void) drawable;
(void) numerator;
(void) denominator;
#endif