util: use standard name for snprintf()
[mesa.git] / src / gallium / drivers / svga / svga_pipe_flush.c
index d593c781680bdc2d1959abed95c8624c2a8c7db2..7e809d0cda8bde661bb96c67deea8c0c38f5fb53 100644 (file)
@@ -24,6 +24,7 @@
  **********************************************************/
 
 #include "pipe/p_defines.h"
+#include "util/u_debug_image.h"
 #include "util/u_string.h"
 #include "svga_screen.h"
 #include "svga_surface.h"
@@ -41,6 +42,9 @@ static void svga_flush( struct pipe_context *pipe,
     */
    svga_surfaces_flush( svga );
 
+   if (flags & PIPE_FLUSH_FENCE_FD)
+      svga->swc->hints |= SVGA_HINT_FLAG_EXPORT_FENCE_FD;
+
    /* Flush command queue.
     */
    svga_context_flush(svga, fence);
@@ -56,12 +60,12 @@ static void svga_flush( struct pipe_context *pipe,
       unsigned i;
 
       for (i = 0; i < fb->nr_cbufs; i++) {
-         util_snprintf(filename, sizeof(filename), "cbuf%u_%04u.bmp", i, frame_no);
+         snprintf(filename, sizeof(filename), "cbuf%u_%04u.bmp", i, frame_no);
          debug_dump_surface_bmp(&svga->pipe, filename, fb->cbufs[i]);
       }
 
       if (0 && fb->zsbuf) {
-         util_snprintf(filename, sizeof(filename), "zsbuf_%04u.bmp", frame_no);
+         snprintf(filename, sizeof(filename), "zsbuf_%04u.bmp", frame_no);
          debug_dump_surface_bmp(&svga->pipe, filename, fb->zsbuf);
       }
 
@@ -70,7 +74,47 @@ static void svga_flush( struct pipe_context *pipe,
 }
 
 
+/**
+ * svga_create_fence_fd
+ *
+ * Wraps a SVGA fence around an imported file descriptor.  This
+ * fd represents a fence from another process/device.  The fence created
+ * here can then be fed into fence_server_sync() so SVGA can synchronize
+ * with an external process
+ */
+static void
+svga_create_fence_fd(struct pipe_context *pipe,
+                     struct pipe_fence_handle **fence,
+                     int fd,
+                     enum pipe_fd_type type)
+{
+   struct svga_winsys_screen *sws = svga_winsys_screen(pipe->screen);
+
+   assert(type == PIPE_FD_TYPE_NATIVE_SYNC);
+   sws->fence_create_fd(sws, fence, fd);
+}
+
+
+/**
+ * svga_fence_server_sync
+ *
+ * This function imports a fence from another process/device into the current
+ * software context so that SVGA can synchronize with it.
+ */
+static void
+svga_fence_server_sync(struct pipe_context *pipe,
+                       struct pipe_fence_handle *fence)
+{
+   struct svga_winsys_screen *sws = svga_winsys_screen(pipe->screen);
+   struct svga_context *svga = svga_context(pipe);
+
+   sws->fence_server_sync(sws, &svga->swc->imported_fence_fd, fence);
+}
+
+
 void svga_init_flush_functions( struct svga_context *svga )
 {
    svga->pipe.flush = svga_flush;
+   svga->pipe.create_fence_fd = svga_create_fence_fd;
+   svga->pipe.fence_server_sync = svga_fence_server_sync;
 }