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igt/gem_concurrent_blit: Test copying over itself

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Suggested by Lionel Landwerlin as a means to emulate video decode
workloads.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2015-03-18 14:15:22 +00:00
parent ea4aa70f3c
commit a72d405629
1 changed files with 85 additions and 0 deletions
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85
tests/gem_concurrent_blit.c
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@ -652,6 +652,62 @@ static void do_overwrite_source__one(struct buffers *buffers,
igt_post_hang_ring(fd, hang);
}
static void do_intermix(struct buffers *buffers,
do_copy do_copy_func,
do_hang do_hang_func,
int do_rcs)
{
const int half = buffers->count/2;
struct igt_hang_ring hang;
int i;
gem_quiescent_gpu(fd);
for (i = 0; i < buffers->count; i++) {
buffers->mode->set_bo(buffers->src[i], 0xdeadbeef^~i, width, height);
buffers->mode->set_bo(buffers->dst[i], i, width, height);
}
for (i = 0; i < half; i++) {
if (do_rcs == 1 || (do_rcs == -1 && i & 1))
render_copy_bo(buffers->dst[i], buffers->src[i]);
else
blt_copy_bo(buffers->dst[i], buffers->src[i]);
do_copy_func(buffers->dst[i+half], buffers->src[i]);
if (do_rcs == 1 || (do_rcs == -1 && (i & 1) == 0))
render_copy_bo(buffers->dst[i], buffers->dst[i+half]);
else
blt_copy_bo(buffers->dst[i], buffers->dst[i+half]);
do_copy_func(buffers->dst[i+half], buffers->src[i+half]);
}
hang = do_hang_func();
for (i = 0; i < 2*half; i++)
buffers->mode->cmp_bo(buffers->dst[i], 0xdeadbeef^~i, width, height, buffers->dummy);
igt_post_hang_ring(fd, hang);
}
static void do_intermix_rcs(struct buffers *buffers,
do_copy do_copy_func,
do_hang do_hang_func)
{
do_intermix(buffers, do_copy_func, do_hang_func, 1);
}
static void do_intermix_bcs(struct buffers *buffers,
do_copy do_copy_func,
do_hang do_hang_func)
{
do_intermix(buffers, do_copy_func, do_hang_func, 0);
}
static void do_intermix_both(struct buffers *buffers,
do_copy do_copy_func,
do_hang do_hang_func)
{
do_intermix(buffers, do_copy_func, do_hang_func, -1);
}
static void do_early_read(struct buffers *buffers,
do_copy do_copy_func,
do_hang do_hang_func)
@ -918,6 +974,35 @@ run_basic_modes(const struct access_mode *mode,
p->copy, h->hang);
}
/* try to intermix copies with GPU copies*/
igt_subtest_f("%s-%s-intermix-rcs%s%s", mode->name, p->prefix, suffix, h->suffix) {
h->require();
p->require();
igt_require(rendercopy);
buffers_create(&buffers, num_buffers);
run_wrap_func(&buffers,
do_intermix_rcs,
p->copy, h->hang);
}
igt_subtest_f("%s-%s-intermix-bcs%s%s", mode->name, p->prefix, suffix, h->suffix) {
h->require();
p->require();
igt_require(rendercopy);
buffers_create(&buffers, num_buffers);
run_wrap_func(&buffers,
do_intermix_bcs,
p->copy, h->hang);
}
igt_subtest_f("%s-%s-intermix-both%s%s", mode->name, p->prefix, suffix, h->suffix) {
h->require();
p->require();
igt_require(rendercopy);
buffers_create(&buffers, num_buffers);
run_wrap_func(&buffers,
do_intermix_both,
p->copy, h->hang);
}
/* try to read the results before the copy completes */
igt_subtest_f("%s-%s-early-read%s%s", mode->name, p->prefix, suffix, h->suffix) {
h->require();