int main(int argc, char **argv)
{
uint32_t *handle, *start_val;
uint32_t start = 0;
int i, fd, count;
igt_simple_init(argc, argv);
fd = drm_open_driver(DRIVER_INTEL);
igt_require(IS_GEN3(intel_get_drm_devid(fd)));
count = 0;
if (argc > 1)
count = atoi(argv[1]);
if (count == 0)
count = 3 * gem_aperture_size(fd) / (1024*1024) / 2;
igt_info("Using %d 1MiB buffers\n", count);
handle = malloc(sizeof(uint32_t)*count*2);
start_val = handle + count;
for (i = 0; i < count; i++) {
handle[i] = create_bo(fd, start);
start_val[i] = start;
start += 1024 * 1024 / 4;
}
igt_info("Verifying initialisation...\n");
for (i = 0; i < count; i++)
check_bo(fd, handle[i], start_val[i]);
igt_info("Cyclic blits, forward...\n");
for (i = 0; i < count * 4; i++) {
int src = i % count;
int dst = (i + 1) % count;
copy(fd, handle[dst], handle[src]);
start_val[dst] = start_val[src];
}
for (i = 0; i < count; i++)
check_bo(fd, handle[i], start_val[i]);
igt_info("Cyclic blits, backward...\n");
for (i = 0; i < count * 4; i++) {
int src = (i + 1) % count;
int dst = i % count;
copy(fd, handle[dst], handle[src]);
start_val[dst] = start_val[src];
}
for (i = 0; i < count; i++)
check_bo(fd, handle[i], start_val[i]);
igt_info("Random blits...\n");
for (i = 0; i < count * 4; i++) {
int src = random() % count;
int dst = random() % count;
if (src == dst)
continue;
copy(fd, handle[dst], handle[src]);
start_val[dst] = start_val[src];
}
for (i = 0; i < count; i++)
check_bo(fd, handle[i], start_val[i]);
igt_exit();
}
int main(int argc, char **argv)
{
uint32_t *handle, *tiling, *start_val;
uint32_t start = 0;
int i, fd, count;
fd = drm_open_any();
if (!IS_GEN3(intel_get_drm_devid(fd))) {
printf("gen3-only test, doing nothing\n");
return 77;
}
count = 0;
if (argc > 1)
count = atoi(argv[1]);
if (count == 0)
count = 3 * gem_aperture_size(fd) / (1024*1024) / 2;
printf("Using %d 1MiB buffers\n", count);
handle = malloc(sizeof(uint32_t)*count*3);
tiling = handle + count;
start_val = tiling + count;
for (i = 0; i < count; i++) {
handle[i] = create_bo(fd, start, tiling[i] = i % 3);
start_val[i] = start;
start += 1024 * 1024 / 4;
}
printf("Verifying initialisation..."); fflush(stdout);
for (i = 0; i < count; i++)
check_bo(fd, handle[i], start_val[i]);
printf("done\n");
printf("Cyclic blits, forward..."); fflush(stdout);
for (i = 0; i < count * 32; i++) {
int src = i % count;
int dst = (i + 1) % count;
copy(fd, handle[dst], tiling[dst], handle[src], tiling[src]);
start_val[dst] = start_val[src];
}
printf("verifying..."); fflush(stdout);
for (i = 0; i < count; i++)
check_bo(fd, handle[i], start_val[i]);
printf("done\n");
printf("Cyclic blits, backward..."); fflush(stdout);
for (i = 0; i < count * 32; i++) {
int src = (i + 1) % count;
int dst = i % count;
copy(fd, handle[dst], tiling[dst], handle[src], tiling[src]);
start_val[dst] = start_val[src];
}
printf("verifying..."); fflush(stdout);
for (i = 0; i < count; i++)
check_bo(fd, handle[i], start_val[i]);
printf("done\n");
printf("Random blits..."); fflush(stdout);
for (i = 0; i < count * 32; i++) {
int src = random() % count;
int dst = random() % count;
while (src == dst)
dst = random() % count;
copy(fd, handle[dst], tiling[dst], handle[src], tiling[src]);
start_val[dst] = start_val[src];
}
printf("verifying..."); fflush(stdout);
for (i = 0; i < count; i++)
check_bo(fd, handle[i], start_val[i]);
printf("done\n");
return 0;
}
int
main(int argc, char **argv)
{
int fd;
int i, iter = 100;
uint32_t tiling, swizzle;
uint32_t handle;
uint32_t devid;
fd = drm_open_any();
handle = create_bo(fd);
gem_get_tiling(fd, handle, &tiling, &swizzle);
devid = intel_get_drm_devid(fd);
if (IS_GEN2(devid)) {
tile_height = 16;
tile_width = 128;
tile_size = 2048;
} else {
tile_height = 8;
tile_width = 512;
tile_size = PAGE_SIZE;
}
/* Read a bunch of random subsets of the data and check that they come
* out right.
*/
for (i = 0; i < iter; i++) {
int size = WIDTH * HEIGHT * 4;
int offset = (random() % size) & ~3;
int len = (random() % size) & ~3;
int j;
if (len == 0)
len = 4;
if (offset + len > size)
len = size - offset;
if (i == 0) {
offset = 0;
len = size;
}
gem_read(fd, handle, offset, linear, len);
/* Translate from offsets in the read buffer to the swizzled
* address that it corresponds to. This is the opposite of
* what Mesa does (calculate offset to be read given the linear
* offset it's looking for).
*/
for (j = offset; j < offset + len; j += 4) {
uint32_t expected_val, found_val;
int swizzled_offset;
const char *swizzle_str;
switch (swizzle) {
case I915_BIT_6_SWIZZLE_NONE:
swizzled_offset = j;
swizzle_str = "none";
break;
case I915_BIT_6_SWIZZLE_9:
swizzled_offset = j ^
swizzle_bit(9, j);
swizzle_str = "bit9";
break;
case I915_BIT_6_SWIZZLE_9_10:
swizzled_offset = j ^
swizzle_bit(9, j) ^
swizzle_bit(10, j);
swizzle_str = "bit9^10";
break;
case I915_BIT_6_SWIZZLE_9_11:
swizzled_offset = j ^
swizzle_bit(9, j) ^
swizzle_bit(11, j);
swizzle_str = "bit9^11";
break;
case I915_BIT_6_SWIZZLE_9_10_11:
swizzled_offset = j ^
swizzle_bit(9, j) ^
swizzle_bit(10, j) ^
swizzle_bit(11, j);
swizzle_str = "bit9^10^11";
break;
default:
fprintf(stderr, "Bad swizzle bits; %d\n",
swizzle);
abort();
}
expected_val = calculate_expected(swizzled_offset);
found_val = linear[(j - offset) / 4];
if (expected_val != found_val) {
fprintf(stderr,
"Bad read [%d]: %d instead of %d at 0x%08x "
"for read from 0x%08x to 0x%08x, swizzle=%s\n",
i, found_val, expected_val, j,
offset, offset + len,
swizzle_str);
abort();
}
}
}
close(fd);
return 0;
}