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authorMichel Dänzer <[email protected]>2006-09-28 14:03:41 +0000
committerMichel Dänzer <[email protected]>2006-09-28 14:03:41 +0000
commit7539fde334d3164bc9d33cdabac9c5741d61d012 (patch)
treebf299d4e3d1d760d69f0e470fb9a21e3675efc71 /src/mesa
parent6a2f5c6752213cea67b142727eba9e0900952346 (diff)
driWaitForVBlank: Add support for secondary vertical blank.
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/drivers/dri/common/vblank.c10
-rw-r--r--src/mesa/drivers/dri/common/vblank.h2
2 files changed, 10 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/common/vblank.c b/src/mesa/drivers/dri/common/vblank.c
index c7c7b8296ec..2ec3c12353a 100644
--- a/src/mesa/drivers/dri/common/vblank.c
+++ b/src/mesa/drivers/dri/common/vblank.c
@@ -326,9 +326,12 @@ driWaitForVBlank( const __DRIdrawablePrivate *priv, GLuint * vbl_seq,
deadline = original_seq + interval;
- vbl.request.sequence = ((flags & VBLANK_FLAG_SYNC) != 0) ? 1 : 0;
vbl.request.type = DRM_VBLANK_RELATIVE;
-
+ if ( flags & VBLANK_FLAG_SECONDARY ) {
+ vbl.request.type |= DRM_VBLANK_SECONDARY;
+ }
+ vbl.request.sequence = ((flags & VBLANK_FLAG_SYNC) != 0) ? 1 : 0;
+
if ( do_wait( & vbl, vbl_seq, priv->driScreenPriv->fd ) != 0 ) {
return -1;
}
@@ -343,6 +346,9 @@ driWaitForVBlank( const __DRIdrawablePrivate *priv, GLuint * vbl_seq,
/* Wait until the target vertical blank. */
vbl.request.type = DRM_VBLANK_ABSOLUTE;
+ if ( flags & VBLANK_FLAG_SECONDARY ) {
+ vbl.request.type |= DRM_VBLANK_SECONDARY;
+ }
vbl.request.sequence = deadline;
if ( do_wait( & vbl, vbl_seq, priv->driScreenPriv->fd ) != 0 ) {
diff --git a/src/mesa/drivers/dri/common/vblank.h b/src/mesa/drivers/dri/common/vblank.h
index 2663956858d..ca386a6a340 100644
--- a/src/mesa/drivers/dri/common/vblank.h
+++ b/src/mesa/drivers/dri/common/vblank.h
@@ -42,6 +42,8 @@
*/
#define VBLANK_FLAG_NO_IRQ (1U << 7) /* DRM has no IRQ to wait on.
*/
+#define VBLANK_FLAG_SECONDARY (1U << 8) /* Wait for secondary vblank.
+ */
extern int driGetMSC32( __DRIscreenPrivate * priv, int64_t * count );
extern int driWaitForMSC32( __DRIdrawablePrivate *priv,