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-rw-r--r--src/gallium/drivers/r300/r300_screen.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/gallium/drivers/r300/r300_screen.c b/src/gallium/drivers/r300/r300_screen.c
index 18ed0356ca..a929a2e282 100644
--- a/src/gallium/drivers/r300/r300_screen.c
+++ b/src/gallium/drivers/r300/r300_screen.c
@@ -24,6 +24,7 @@
#include "util/u_format.h"
#include "util/u_format_s3tc.h"
#include "util/u_memory.h"
+#include "os/os_time.h"
#include "r300_context.h"
#include "r300_texture.h"
@@ -440,6 +441,22 @@ static int r300_fence_finish(struct pipe_screen *screen,
struct r300_winsys_screen *rws = r300_screen(screen)->rws;
struct r300_winsys_bo *rfence = (struct r300_winsys_bo*)fence;
+ if (timeout != PIPE_TIMEOUT_INFINITE) {
+ int64_t start_time = os_time_get();
+
+ /* Convert to microseconds. */
+ timeout /= 1000;
+
+ /* Wait in a loop. */
+ while (rws->buffer_is_busy(rfence)) {
+ if (os_time_get() - start_time >= timeout) {
+ return 1;
+ }
+ os_time_sleep(10);
+ }
+ return 0;
+ }
+
rws->buffer_wait(rfence);
return 0; /* 0 == success */
}