r600: fixup problems with EXA operation reset for multiple ops

To put multiple ops into one CS, you can't just discard the whole
IB. This add supports for reset the CS cdw to the correct place
after an op discards.

Still doesn't enable the final accel bits.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/radeon.h b/src/radeon.h
index 745ee8e5..4ee37b51 100644
--- a/src/radeon.h
+++ b/src/radeon.h
@@ -710,6 +710,8 @@ struct radeon_accel_state {
     uint32_t          vb_size;
     struct radeon_bo  *vb_bo;
     uint32_t          vb_start_op;
+    /* where to discard IB from if we cancel operation */
+    uint32_t          ib_reset_op;
 
     // shader storage
     ExaOffscreenArea  *shaders;