static void
copy(int fd,
uint32_t dst, int dst_tiling,
uint32_t src, int src_tiling)
{
retry:
switch (random() % 3) {
case 0: render_copy(fd, dst, dst_tiling, src, src_tiling, 0); break;
case 1: render_copy(fd, dst, dst_tiling, src, src_tiling, 1); break;
case 2: if (dst_tiling == I915_TILING_Y || src_tiling == I915_TILING_Y)
goto retry;
blt_copy(fd, dst, src);
break;
}
}
int main(int argc, char **argv)
{
data_t data = {0, };
struct intel_batchbuffer *batch = NULL;
struct igt_buf src, dst;
igt_render_copyfunc_t render_copy = NULL;
int opt_dump_aub = igt_aub_dump_enabled();
igt_simple_init_parse_opts(&argc, argv, "da", NULL, NULL,
opt_handler, NULL);
igt_fixture {
data.drm_fd = drm_open_any_render();
data.devid = intel_get_drm_devid(data.drm_fd);
data.bufmgr = drm_intel_bufmgr_gem_init(data.drm_fd, 4096);
igt_assert(data.bufmgr);
render_copy = igt_get_render_copyfunc(data.devid);
igt_require_f(render_copy,
"no render-copy function\n");
batch = intel_batchbuffer_alloc(data.bufmgr, data.devid);
igt_assert(batch);
}
scratch_buf_init(&data, &src, WIDTH, HEIGHT, STRIDE, SRC_COLOR);
scratch_buf_init(&data, &dst, WIDTH, HEIGHT, STRIDE, DST_COLOR);
scratch_buf_check(&data, &src, WIDTH / 2, HEIGHT / 2, SRC_COLOR);
scratch_buf_check(&data, &dst, WIDTH / 2, HEIGHT / 2, DST_COLOR);
if (opt_dump_png) {
scratch_buf_write_to_png(&src, "source.png");
scratch_buf_write_to_png(&dst, "destination.png");
}
if (opt_dump_aub) {
drm_intel_bufmgr_gem_set_aub_filename(data.bufmgr,
"rendercopy.aub");
drm_intel_bufmgr_gem_set_aub_dump(data.bufmgr, true);
}
/* This will copy the src to the mid point of the dst buffer. Presumably
* the out of bounds accesses will get clipped.
* Resulting buffer should look like:
* _______
* |dst|dst|
* |dst|src|
* -------
*/
render_copy(batch, NULL,
&src, 0, 0, WIDTH, HEIGHT,
&dst, WIDTH / 2, HEIGHT / 2);
if (opt_dump_png)
scratch_buf_write_to_png(&dst, "result.png");
if (opt_dump_aub) {
drm_intel_gem_bo_aub_dump_bmp(dst.bo,
0, 0, WIDTH, HEIGHT,
AUB_DUMP_BMP_FORMAT_ARGB_8888,
STRIDE, 0);
drm_intel_bufmgr_gem_set_aub_dump(data.bufmgr, false);
} else if (check_all_pixels) {
uint32_t val;
int i, j;
gem_read(data.drm_fd, dst.bo->handle, 0,
data.linear, sizeof(data.linear));
for (i = 0; i < WIDTH; i++) {
for (j = 0; j < HEIGHT; j++) {
uint32_t color = DST_COLOR;
val = data.linear[j * WIDTH + i];
if (j >= HEIGHT/2 && i >= WIDTH/2)
color = SRC_COLOR;
igt_assert_f(val == color,
"Expected 0x%08x, found 0x%08x at (%d,%d)\n",
color, val, i, j);
}
}
} else {
scratch_buf_check(&data, &dst, 10, 10, DST_COLOR);
scratch_buf_check(&data, &dst, WIDTH - 10, HEIGHT - 10, SRC_COLOR);
}
igt_exit();
}
