drm_intel_bufmgr *bufmgr;
struct intel_batchbuffer *batch;
int num_buffers = 128, max;
- drm_intel_bo *src[128], *dst[128], *dummy;
+ drm_intel_bo *src[128], *dst[128], *dummy = NULL;
int width = 512, height = 512;
int fd;
int i;
+ drmtest_subtest_init(argc, argv);
+
fd = drm_open_any();
max = gem_aperture_size (fd) / (1024 * 1024) / 2;
drm_intel_bufmgr_gem_enable_reuse(bufmgr);
batch = intel_batchbuffer_alloc(bufmgr, intel_get_drm_devid(fd));
- for (i = 0; i < num_buffers; i++) {
- src[i] = create_bo(bufmgr, i, width, height);
- dst[i] = create_bo(bufmgr, ~i, width, height);
+ if (!drmtest_only_list_subtests()) {
+ for (i = 0; i < num_buffers; i++) {
+ src[i] = create_bo(bufmgr, i, width, height);
+ dst[i] = create_bo(bufmgr, ~i, width, height);
+ }
+ dummy = create_bo(bufmgr, 0, width, height);
}
- dummy = create_bo(bufmgr, 0, width, height);
/* try to overwrite the source values */
- for (i = 0; i < num_buffers; i++)
- intel_copy_bo(batch, dst[i], src[i], width, height);
- for (i = num_buffers; i--; )
- set_bo(src[i], 0xdeadbeef, width, height);
- for (i = 0; i < num_buffers; i++)
- cmp_bo(dst[i], i, width, height);
+ if (drmtest_run_subtest("overwrite-source")) {
+ for (i = 0; i < num_buffers; i++)
+ intel_copy_bo(batch, dst[i], src[i], width, height);
+ for (i = num_buffers; i--; )
+ set_bo(src[i], 0xdeadbeef, width, height);
+ for (i = 0; i < num_buffers; i++)
+ cmp_bo(dst[i], i, width, height);
+ }
/* try to read the results before the copy completes */
- for (i = 0; i < num_buffers; i++)
- intel_copy_bo(batch, dst[i], src[i], width, height);
- for (i = num_buffers; i--; )
- cmp_bo(dst[i], 0xdeadbeef, width, height);
+ if (drmtest_run_subtest("early-read")) {
+ for (i = num_buffers; i--; )
+ set_bo(src[i], 0xdeadbeef, width, height);
+ for (i = 0; i < num_buffers; i++)
+ intel_copy_bo(batch, dst[i], src[i], width, height);
+ for (i = num_buffers; i--; )
+ cmp_bo(dst[i], 0xdeadbeef, width, height);
+ }
/* and finally try to trick the kernel into loosing the pending write */
- for (i = num_buffers; i--; )
- set_bo(src[i], 0xabcdabcd, width, height);
- for (i = 0; i < num_buffers; i++)
- intel_copy_bo(batch, dst[i], src[i], width, height);
- for (i = num_buffers; i--; )
- intel_copy_bo(batch, dummy, dst[i], width, height);
- for (i = num_buffers; i--; )
- cmp_bo(dst[i], 0xabcdabcd, width, height);
+ if (drmtest_run_subtest("gpu-read-after-write")) {
+ for (i = num_buffers; i--; )
+ set_bo(src[i], 0xabcdabcd, width, height);
+ for (i = 0; i < num_buffers; i++)
+ intel_copy_bo(batch, dst[i], src[i], width, height);
+ for (i = num_buffers; i--; )
+ intel_copy_bo(batch, dummy, dst[i], width, height);
+ for (i = num_buffers; i--; )
+ cmp_bo(dst[i], 0xabcdabcd, width, height);
+ }
return 0;
}