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gem_pread_after_blit: Exercise reading back through different cache levels

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This commit is contained in:
Chris Wilson 2013-08-06 15:03:40 +01:00
parent 3052fe2c91
commit 24eade08ab
1 changed files with 26 additions and 3 deletions
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29
tests/gem_pread_after_blit.c
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@ -124,11 +124,17 @@ verify_small_read(drm_intel_bo *bo, uint32_t val)
} }
} }
static void do_test(drm_intel_bo *src[2], static void do_test(int fd, int cache_level,
drm_intel_bo *src[2],
const uint32_t start[2], const uint32_t start[2],
drm_intel_bo *tmp[2], drm_intel_bo *tmp[2],
int loop) int loop)
{ {
if (cache_level != -1) {
gem_set_cacheing(fd, tmp[0]->handle, cache_level);
gem_set_cacheing(fd, tmp[1]->handle, cache_level);
}
do { do {
/* First, do a full-buffer read after blitting */ /* First, do a full-buffer read after blitting */
intel_copy_bo(batch, tmp[0], src[0], width, height); intel_copy_bo(batch, tmp[0], src[0], width, height);
@ -184,14 +190,31 @@ main(int argc, char **argv)
dst[1] = drm_intel_bo_alloc(bufmgr, "dst bo", size, 4096); dst[1] = drm_intel_bo_alloc(bufmgr, "dst bo", size, 4096);
if (drmtest_run_subtest("normal")) if (drmtest_run_subtest("normal"))
do_test(src, start, dst, 1); do_test(fd, -1, src, start, dst, 1);
if (drmtest_run_subtest("interruptible")) { if (drmtest_run_subtest("interruptible")) {
drmtest_fork_signal_helper(); drmtest_fork_signal_helper();
do_test(src, start, dst, 100); do_test(fd, -1, src, start, dst, 100);
drmtest_stop_signal_helper(); drmtest_stop_signal_helper();
} }
if (drmtest_run_subtest("normal-uncached"))
do_test(fd, 0, src, start, dst, 1);
if (drmtest_run_subtest("interruptible-uncached")) {
drmtest_fork_signal_helper();
do_test(fd, 0, src, start, dst, 100);
drmtest_stop_signal_helper();
}
if (drmtest_run_subtest("normal-snoop"))
do_test(fd, 1, src, start, dst, 1);
if (drmtest_run_subtest("interruptible-snoop")) {
drmtest_fork_signal_helper();
do_test(fd, 1, src, start, dst, 100);
drmtest_stop_signal_helper();
}
drm_intel_bo_unreference(src[0]); drm_intel_bo_unreference(src[0]);
drm_intel_bo_unreference(src[1]); drm_intel_bo_unreference(src[1]);
drm_intel_bo_unreference(dst[0]); drm_intel_bo_unreference(dst[0]);