3 files changed, 15 insertions, 0 deletions
diff --git a/src/gallium/winsys/radeon/drm/radeon_drm.c b/src/gallium/winsys/radeon/drm/radeon_drm.c
index e9a276362f3..e7057ca593b 100644
--- a/src/gallium/winsys/radeon/drm/radeon_drm.c
+++ b/src/gallium/winsys/radeon/drm/radeon_drm.c
@@ -130,6 +130,16 @@ static void do_ioctls(int fd, struct radeon_libdrm_winsys* winsys)
     }
     winsys->z_pipes = target;
 
+    winsys->hyperz = FALSE;
+#ifndef RADEON_INFO_WANT_HYPERZ
+#define RADEON_INFO_WANT_HYPERZ 7
+#endif
+    info.request = RADEON_INFO_WANT_HYPERZ;
+    retval = drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info));
+    if (!retval && target == 1) {
+        winsys->hyperz = TRUE;
+    }
+
     retval = drmCommandWriteRead(fd, DRM_RADEON_GEM_INFO,
             &gem_info, sizeof(gem_info));
     if (retval) {
diff --git a/src/gallium/winsys/radeon/drm/radeon_r300.c b/src/gallium/winsys/radeon/drm/radeon_r300.c
index 55445040671..955ae4c0455 100644
--- a/src/gallium/winsys/radeon/drm/radeon_r300.c
+++ b/src/gallium/winsys/radeon/drm/radeon_r300.c
@@ -211,6 +211,8 @@ static uint32_t radeon_get_value(struct r300_winsys_screen *rws,
         return ws->squaretiling;
     case R300_VID_DRM_2_3_0:
         return ws->drm_2_3_0;
+    case R300_CAN_HYPERZ:
+        return ws->hyperz;
     }
     return 0;
 }
diff --git a/src/gallium/winsys/radeon/drm/radeon_winsys.h b/src/gallium/winsys/radeon/drm/radeon_winsys.h
index 533b7b2e2d2..52db0d62d23 100644
--- a/src/gallium/winsys/radeon/drm/radeon_winsys.h
+++ b/src/gallium/winsys/radeon/drm/radeon_winsys.h
@@ -65,6 +65,9 @@ struct radeon_libdrm_winsys {
      */
     boolean drm_2_3_0;
 
+    /* hyperz user */
+    boolean hyperz;
+
     /* DRM FD */
     int fd;