gallium: add type parameter to create_fence_fd

[mesa.git] / src / gallium / drivers / svga / svga_pipe_flush.c

diff --git a/src/gallium/drivers/svga/svga_pipe_flush.c b/src/gallium/drivers/svga/svga_pipe_flush.c
index 0becb0765acc20387f3f70eb2b6d7fb999967d0d..1f4eebc124a950fbc305a3bf04875ca2e7de01da 100644 (file)
--- a/src/gallium/drivers/svga/svga_pipe_flush.c
+++ b/src/gallium/drivers/svga/svga_pipe_flush.c
@@ -24,48 +24,97 @@
  **********************************************************/
 
 #include "pipe/p_defines.h"
+#include "util/u_debug_image.h"
+#include "util/u_string.h"
 #include "svga_screen.h"
-#include "svga_screen_texture.h"
+#include "svga_surface.h"
 #include "svga_context.h"
-#include "svga_winsys.h"
-#include "svga_draw.h"
 #include "svga_debug.h"
 
-#include "svga_hw_reg.h"
-
-
-
 
 static void svga_flush( struct pipe_context *pipe,
-                        unsigned flags,
-                        struct pipe_fence_handle **fence )
+                        struct pipe_fence_handle **fence,
+                        unsigned flags)
 {
    struct svga_context *svga = svga_context(pipe);
-   int i;
 
-   /* Emit buffered drawing commands.
+   /* Emit buffered drawing commands, and any back copies.
     */
-   svga_hwtnl_flush_retry( svga );
+   svga_surfaces_flush( svga );
 
-   /* Emit back-copy from render target view to texture.
-    */
-   for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
-      if (svga->curr.framebuffer.cbufs[i])
-         svga_propagate_surface(pipe, svga->curr.framebuffer.cbufs[i]);
-   }
-   if (svga->curr.framebuffer.zsbuf)
-      svga_propagate_surface(pipe, svga->curr.framebuffer.zsbuf);
+   if (flags & PIPE_FLUSH_FENCE_FD)
+      svga->swc->hints |= SVGA_HINT_FLAG_EXPORT_FENCE_FD;
 
    /* Flush command queue.
     */
    svga_context_flush(svga, fence);
 
-   SVGA_DBG(DEBUG_DMA|DEBUG_PERF, "%s flags %x fence_ptr %p\n",
-            __FUNCTION__, flags, fence ? *fence : 0x0);
+   SVGA_DBG(DEBUG_DMA|DEBUG_PERF, "%s fence_ptr %p\n",
+            __FUNCTION__, fence ? *fence : 0x0);
+
+   /* Enable to dump BMPs of the color/depth buffers each frame */
+   if (0) {
+      struct pipe_framebuffer_state *fb = &svga->curr.framebuffer;
+      static unsigned frame_no = 1;
+      char filename[256];
+      unsigned i;
+
+      for (i = 0; i < fb->nr_cbufs; i++) {
+         util_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);
+         debug_dump_surface_bmp(&svga->pipe, filename, fb->zsbuf);
+      }
+
+      ++frame_no;
+   }
+}
+
+
+/**
+ * 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;
 }