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-rw-r--r--src/mesa/drivers/dri/common/dri_util.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/common/dri_util.h b/src/mesa/drivers/dri/common/dri_util.h
index c0e1bea5e05..c6781f1c7ab 100644
--- a/src/mesa/drivers/dri/common/dri_util.h
+++ b/src/mesa/drivers/dri/common/dri_util.h
@@ -108,6 +108,28 @@ do { \
} \
} while (0)
+/**
+ * Same as above, but for two drawables simultaneously.
+ *
+ */
+
+#define DRI_VALIDATE_TWO_DRAWABLES_INFO(psp, pdp, prp) \
+do { \
+ while (*((pdp)->pStamp) != (pdp)->lastStamp || \
+ *((prp)->pStamp) != (prp)->lastStamp) { \
+ register unsigned int hwContext = (psp)->pSAREA->lock.lock & \
+ ~(DRM_LOCK_HELD | DRM_LOCK_CONT); \
+ DRM_UNLOCK((psp)->fd, &(psp)->pSAREA->lock, hwContext); \
+ \
+ DRM_SPINLOCK(&(psp)->pSAREA->drawable_lock, (psp)->drawLockID); \
+ DRI_VALIDATE_DRAWABLE_INFO_ONCE(pdp); \
+ DRI_VALIDATE_DRAWABLE_INFO_ONCE(prp); \
+ DRM_SPINUNLOCK(&(psp)->pSAREA->drawable_lock, (psp)->drawLockID); \
+ \
+ DRM_LIGHT_LOCK((psp)->fd, &(psp)->pSAREA->lock, hwContext); \
+ } \
+} while (0)
+
/**
* Driver callback functions.