[Intel-gfx] [PATCH] tests/prime_self_import: export/import a second gem buffer
Imre Deak
imre.deak at intel.com
Wed Apr 17 18:10:00 CEST 2013
Signed-off-by: Imre Deak <imre.deak at intel.com>
---
tests/prime_self_import.c | 33 ++++++++++++++++++++++-----------
1 file changed, 22 insertions(+), 11 deletions(-)
diff --git a/tests/prime_self_import.c b/tests/prime_self_import.c
index 111ed4d..a17e942 100644
--- a/tests/prime_self_import.c
+++ b/tests/prime_self_import.c
@@ -48,11 +48,13 @@
#define BO_SIZE (16*1024)
+static char counter1;
+static char counter2;
+
static void
-check_bo(int fd1, uint32_t handle1, int fd2, uint32_t handle2)
+check_bo(int fd1, uint32_t handle1, int fd2, uint32_t handle2, char *counter)
{
char *ptr1, *ptr2;
- static char counter = 0;
int i;
ptr1 = gem_mmap(fd1, handle1, BO_SIZE, PROT_READ | PROT_WRITE);
@@ -62,13 +64,13 @@ check_bo(int fd1, uint32_t handle1, int fd2, uint32_t handle2)
/* check whether it's still our old object first. */
for (i = 0; i < BO_SIZE; i++) {
- assert(ptr1[i] == counter);
- assert(ptr2[i] == counter);
+ assert(ptr1[i] == *counter);
+ assert(ptr2[i] == *counter);
}
- counter++;
+ (*counter)++;
- memset(ptr1, counter, BO_SIZE);
+ memset(ptr1, *counter, BO_SIZE);
assert(memcmp(ptr1, ptr2, BO_SIZE) == 0);
munmap(ptr1, BO_SIZE);
@@ -79,17 +81,19 @@ int main(int argc, char **argv)
{
int fd1, fd2;
uint32_t handle, handle_import1, handle_import2, handle_selfimport;
+ uint32_t handle2;
int dma_buf_fd;
fd1 = drm_open_any();
fd2 = drm_open_any();
handle = gem_create(fd1, BO_SIZE);
+ handle2 = gem_create(fd1, BO_SIZE);
dma_buf_fd = prime_handle_to_fd(fd1, handle);
handle_import1 = prime_fd_to_handle(fd2, dma_buf_fd);
- check_bo(fd1, handle, fd2, handle_import1);
+ check_bo(fd1, handle, fd2, handle_import1, &counter1);
/* reimport should give us the same handle so that userspace can check
* whether it has that bo already somewhere. */
@@ -102,10 +106,17 @@ int main(int argc, char **argv)
/* close dma_buf, check whether nothing disappears. */
close(dma_buf_fd);
- check_bo(fd1, handle, fd2, handle_import1);
+ check_bo(fd1, handle, fd2, handle_import1, &counter1);
gem_close(fd1, handle);
- check_bo(fd2, handle_import1, fd2, handle_import1);
+ check_bo(fd2, handle_import1, fd2, handle_import1, &counter1);
+
+ dma_buf_fd = prime_handle_to_fd(fd1, handle2);
+ handle = prime_fd_to_handle(fd2, dma_buf_fd);
+ check_bo(fd1, handle2, fd2, handle, &counter2);
+ gem_close(fd2, handle);
+ gem_close(fd1, handle2);
+ close(dma_buf_fd);
/* re-import into old exporter */
dma_buf_fd = prime_handle_to_fd(fd2, handle_import1);
@@ -113,11 +124,11 @@ int main(int argc, char **argv)
gem_close(fd2, handle_import1);
handle = prime_fd_to_handle(fd1, dma_buf_fd);
handle_import1 = prime_fd_to_handle(fd2, dma_buf_fd);
- check_bo(fd1, handle, fd2, handle_import1);
+ check_bo(fd1, handle, fd2, handle_import1, &counter1);
/* Completely rip out exporting fd. */
close(fd1);
- check_bo(fd2, handle_import1, fd2, handle_import1);
+ check_bo(fd2, handle_import1, fd2, handle_import1, &counter1);
return 0;
}
--
1.7.10.4
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