Fence all unfenced buffers function.

2 files changed, 16 insertions, 0 deletions

diff --git a/libdrm/xf86drm.c b/libdrm/xf86drm.c
index 068d0fb9..6d087427 100644
--- a/libdrm/xf86drm.c
+++ b/libdrm/xf86drm.c
@@ -2259,6 +2259,21 @@ int drmFenceCreate(int fd, int shareable, int class,unsigned type,
     fence->signaled = 0;
     return 0;
 }
+
+int drmFenceBuffers(int fd, int shareable, drmFence *fence)
+{
+    drm_fence_arg_t arg;
+    
+    arg.flags = (shareable) ? DRM_FENCE_FLAG_SHAREABLE : 0;
+    arg.op = drm_fence_buffers;
+    if (ioctl(fd, DRM_IOCTL_FENCE, &arg))
+	return -errno;
+    fence->handle = arg.handle;
+    fence->class = arg.class;
+    fence->type = arg.type;
+    fence->signaled = 0;
+    return 0;
+}
     
 int drmFenceDestroy(int fd, const drmFence *fence)
 {
diff --git a/libdrm/xf86drm.h b/libdrm/xf86drm.h
index f257deda..be1eeeff 100644
--- a/libdrm/xf86drm.h
+++ b/libdrm/xf86drm.h
@@ -626,6 +626,7 @@ extern int           drmFenceSignaled(int fd, drmFence *fence);
 extern int           drmFenceWait(int fd, drmFence *fence, unsigned flush_type, 
 				  int lazy, int ignore_signals);
 extern int           drmFenceEmit(int fd, drmFence *fence, unsigned emit_type);
+extern int           drmFenceBuffers(int fd, int shareable, drmFence *fence);
 
 /* TTMS */
 extern int           drmTTMCreate(int fd, drmTTM *ttm, unsigned long size,