From: Christian König <christian.koe...@amd.com>
Share the winsys between different fd's if they point to the same device.
Signed-off-by: Christian König <christian.koe...@amd.com>
---
src/gallium/winsys/radeon/drm/radeon_drm_winsys.c | 19 +++++++++++++++++--
1 file changed, 17 insertions(+), 2 deletions(-)
diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
index 69c42a0..310965b 100644
--- a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
+++ b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
@@ -41,6 +41,9 @@
#include <xf86drm.h>
#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
/*
* this are copy from radeon_drm, once an updated libdrm is released
@@ -520,12 +523,24 @@ static uint64_t radeon_query_value(struct radeon_winsys
*rws,
static unsigned hash_fd(void *key)
{
- return pointer_to_intptr(key);
+ int fd = pointer_to_intptr(key);
+ struct stat stat;
+ fstat(fd, &stat);
+
+ return stat.st_dev ^ stat.st_ino ^ stat.st_rdev;
}
static int compare_fd(void *key1, void *key2)
{
- return pointer_to_intptr(key1) != pointer_to_intptr(key2);
+ int fd1 = pointer_to_intptr(key1);
+ int fd2 = pointer_to_intptr(key2);
+ struct stat stat1, stat2;
+ fstat(fd1, &stat1);
+ fstat(fd2, &stat2);
+
+ return stat1.st_dev != stat2.st_dev ||
+ stat1.st_ino != stat2.st_ino ||
+ stat1.st_rdev != stat2.st_rdev;
}
void radeon_drm_ws_queue_cs(struct radeon_drm_winsys *ws, struct radeon_drm_cs
*cs)
--
1.8.1.2
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