[Vice-emu-commit] SF.net SVN: vice-emu:[19106] branches/pottendo/v2.0-work/vice/src/arch/ win32/vsy

Revision: 19106
          http://vice-emu.svn.sourceforge.net/vice-emu/?rev=19106&view=rev
Author:   pottendo
Date:     2008-08-02 20:18:34 +0000 (Sat, 02 Aug 2008)

Log Message:
-----------
Moved generic vblank code to src/vsync.c.
(vsyncarch_sync_with_raster): New function.

Modified Paths:
--------------
    branches/pottendo/v2.0-work/vice/src/arch/win32/vsyncarch.c

Modified: branches/pottendo/v2.0-work/vice/src/arch/win32/vsyncarch.c
===================================================================
--- branches/pottendo/v2.0-work/vice/src/arch/win32/vsyncarch.c	2008-08-02 20:17:19 UTC (rev 19105)
+++ branches/pottendo/v2.0-work/vice/src/arch/win32/vsyncarch.c	2008-08-02 20:18:34 UTC (rev 19106)
@@ -141,47 +141,12 @@
     ui_display_speed((float) speed, (float)frame_rate, warp_enabled);
 }
 
-static unsigned long last = 0;
-static unsigned long nosynccount = 0;
-
-void vsyncarch_verticalblank(video_canvas_t *c, float rate, int frames)
+void vsyncarch_sync_with_raster(video_canvas_t *c)
 {
-    unsigned long nowi, lastx, max, frm, vbl;
-
-    if (c->refreshrate <= 0.0f)
-        return;
-
-    nowi = vsyncarch_frequency();
-
-    /* calculate counter cycles per frame */
-    frm = (unsigned long)((float)(nowi * frames) / rate);
-
-    nowi = vsyncarch_gettime();
-
-    lastx = last - (frm * nosynccount);
-    max = (frm * 7) >> 3;
-    vbl = 0;
-    while (max >= (nowi - lastx)) {
-        IDirectDraw2_WaitForVerticalBlank(c->dd_object2, DDWAITVB_BLOCKBEGIN,
-                                          0);
-        nowi = vsyncarch_gettime();
-        vbl = 1;
-    }
-    if ((!vbl) && (nosynccount < 16)) {
-        nosynccount ++;
-    } else {
-        last = nowi;
-        nosynccount = 0;
-    }
+    IDirectDraw2_WaitForVerticalBlank(c->dd_object2, DDWAITVB_BLOCKBEGIN,
+				      0);
 }
 
-void vsyncarch_prepare_vbl(void)
-{
-    /* keep vertical blank data prepared */
-    last = vsyncarch_gettime();
-    nosynccount = 0;
-}
-
 void vsyncarch_sleep(signed long delay)
 {
     unsigned long start, now;


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