libliftoff/test/test_prop.c

267 lines
7.8 KiB
C

#include <assert.h>
#include <unistd.h>
#include <libliftoff.h>
#include <stdio.h>
#include <string.h>
#include "libdrm_mock.h"
static struct liftoff_layer *add_layer(struct liftoff_output *output,
int x, int y, int width, int height)
{
uint32_t fb_id;
struct liftoff_layer *layer;
layer = liftoff_layer_create(output);
fb_id = liftoff_mock_drm_create_fb(layer);
liftoff_layer_set_property(layer, "FB_ID", fb_id);
liftoff_layer_set_property(layer, "CRTC_X", x);
liftoff_layer_set_property(layer, "CRTC_Y", y);
liftoff_layer_set_property(layer, "CRTC_W", width);
liftoff_layer_set_property(layer, "CRTC_H", height);
liftoff_layer_set_property(layer, "SRC_X", 0);
liftoff_layer_set_property(layer, "SRC_Y", 0);
liftoff_layer_set_property(layer, "SRC_W", width << 16);
liftoff_layer_set_property(layer, "SRC_H", height << 16);
return layer;
}
static int test_prop_default(const char *prop_name)
{
struct liftoff_mock_plane *mock_plane_with_prop,
*mock_plane_without_prop;
int drm_fd;
struct liftoff_device *device;
struct liftoff_output *output;
struct liftoff_layer *layer;
drmModeAtomicReq *req;
bool ok;
int ret;
mock_plane_without_prop = liftoff_mock_drm_create_plane(DRM_PLANE_TYPE_OVERLAY);
mock_plane_with_prop = liftoff_mock_drm_create_plane(DRM_PLANE_TYPE_OVERLAY);
/* Value that requires the prop for the plane allocation to succeed */
uint64_t require_prop_value;
/* Value that doesn't require the prop to be present */
uint64_t default_value;
if (strcmp(prop_name, "alpha") == 0) {
require_prop_value = (uint16_t)(0.5 * 0xFFFF);
default_value = 0xFFFF; /* opaque */
} else if (strcmp(prop_name, "rotation") == 0) {
require_prop_value = DRM_MODE_ROTATE_180;
default_value = DRM_MODE_ROTATE_0;
} else {
fprintf(stderr, "no such test: default-%s\n", prop_name);
return 1;
}
/* We need to setup mock plane properties before creating the liftoff
* device */
drmModePropertyRes prop = {0};
strncpy(prop.name, prop_name, sizeof(prop.name) - 1);
liftoff_mock_plane_add_property(mock_plane_with_prop, &prop);
drm_fd = liftoff_mock_drm_open();
device = liftoff_device_create(drm_fd);
assert(device != NULL);
liftoff_device_register_all_planes(device);
output = liftoff_output_create(device, liftoff_mock_drm_crtc_id);
layer = add_layer(output, 0, 0, 1920, 1080);
liftoff_mock_plane_add_compatible_layer(mock_plane_without_prop, layer);
/* First test that the layer doesn't get assigned to the plane without
* the prop when using a non-default value */
req = drmModeAtomicAlloc();
liftoff_layer_set_property(layer, prop.name, require_prop_value);
ok = liftoff_output_apply(output, req, 0);
assert(ok);
ret = drmModeAtomicCommit(drm_fd, req, 0, NULL);
assert(ret == 0);
assert(liftoff_layer_get_plane_id(layer) == 0);
drmModeAtomicFree(req);
/* The layer should get assigned to the plane without the prop when
* using the default value */
req = drmModeAtomicAlloc();
liftoff_layer_set_property(layer, prop.name, default_value);
ok = liftoff_output_apply(output, req, 0);
assert(ok);
ret = drmModeAtomicCommit(drm_fd, req, 0, NULL);
assert(ret == 0);
assert(liftoff_layer_get_plane_id(layer) != 0);
drmModeAtomicFree(req);
/* The layer should get assigned to the plane with the prop when using
* a non-default value */
liftoff_mock_plane_add_compatible_layer(mock_plane_with_prop, layer);
req = drmModeAtomicAlloc();
liftoff_layer_set_property(layer, prop.name, require_prop_value);
ok = liftoff_output_apply(output, req, 0);
assert(ok);
ret = drmModeAtomicCommit(drm_fd, req, 0, NULL);
assert(ret == 0);
assert(liftoff_layer_get_plane_id(layer) != 0);
drmModeAtomicFree(req);
liftoff_device_destroy(device);
close(drm_fd);
return 0;
}
/* Checks that a fully transparent layer is ignored. */
static int test_ignore_alpha(void)
{
struct liftoff_mock_plane *mock_plane;
drmModePropertyRes prop = {0};
int drm_fd;
struct liftoff_device *device;
struct liftoff_output *output;
struct liftoff_layer *layer;
drmModeAtomicReq *req;
bool ok;
int ret;
mock_plane = liftoff_mock_drm_create_plane(DRM_PLANE_TYPE_PRIMARY);
strncpy(prop.name, "alpha", sizeof(prop.name) - 1);
liftoff_mock_plane_add_property(mock_plane, &prop);
drm_fd = liftoff_mock_drm_open();
device = liftoff_device_create(drm_fd);
assert(device != NULL);
liftoff_device_register_all_planes(device);
output = liftoff_output_create(device, liftoff_mock_drm_crtc_id);
layer = add_layer(output, 0, 0, 1920, 1080);
liftoff_layer_set_property(layer, "alpha", 0); /* fully transparent */
liftoff_mock_plane_add_compatible_layer(mock_plane, layer);
req = drmModeAtomicAlloc();
ok = liftoff_output_apply(output, req, 0);
assert(ok);
ret = drmModeAtomicCommit(drm_fd, req, 0, NULL);
assert(ret == 0);
assert(liftoff_mock_plane_get_layer(mock_plane) == NULL);
drmModeAtomicFree(req);
liftoff_device_destroy(device);
close(drm_fd);
return 0;
}
static int test_immutable_zpos(void) {
struct liftoff_mock_plane *mock_plane1, *mock_plane2;
drmModePropertyRes prop = {0};
uint64_t prop_value;
int drm_fd;
struct liftoff_device *device;
struct liftoff_output *output;
struct liftoff_layer *layer1, *layer2;
drmModeAtomicReq *req;
bool ok;
int ret;
mock_plane1 = liftoff_mock_drm_create_plane(DRM_PLANE_TYPE_OVERLAY);
mock_plane2 = liftoff_mock_drm_create_plane(DRM_PLANE_TYPE_OVERLAY);
strncpy(prop.name, "zpos", sizeof(prop.name) - 1);
prop.flags = DRM_MODE_PROP_IMMUTABLE;
prop.count_values = 1;
prop.values = &prop_value;
/* Plane 2 is always on top of plane 1, and this is immutable */
prop_value = 1;
liftoff_mock_plane_add_property(mock_plane1, &prop);
prop_value = 2;
liftoff_mock_plane_add_property(mock_plane2, &prop);
drm_fd = liftoff_mock_drm_open();
device = liftoff_device_create(drm_fd);
assert(device != NULL);
liftoff_device_register_all_planes(device);
output = liftoff_output_create(device, liftoff_mock_drm_crtc_id);
layer1 = add_layer(output, 0, 0, 256, 256);
layer2 = add_layer(output, 128, 128, 256, 256);
/* All layers are compatible with all planes */
liftoff_mock_plane_add_compatible_layer(mock_plane1, layer1);
liftoff_mock_plane_add_compatible_layer(mock_plane1, layer2);
liftoff_mock_plane_add_compatible_layer(mock_plane2, layer1);
liftoff_mock_plane_add_compatible_layer(mock_plane2, layer2);
/* Layer 2 on top of layer 1 */
liftoff_layer_set_property(layer1, "zpos", 42);
liftoff_layer_set_property(layer2, "zpos", 43);
req = drmModeAtomicAlloc();
ok = liftoff_output_apply(output, req, 0);
assert(ok);
ret = drmModeAtomicCommit(drm_fd, req, 0, NULL);
assert(ret == 0);
assert(liftoff_mock_plane_get_layer(mock_plane1) == layer1);
assert(liftoff_mock_plane_get_layer(mock_plane2) == layer2);
drmModeAtomicFree(req);
/* Layer 1 on top of layer 2 */
liftoff_layer_set_property(layer1, "zpos", 43);
liftoff_layer_set_property(layer2, "zpos", 42);
req = drmModeAtomicAlloc();
ok = liftoff_output_apply(output, req, 0);
assert(ok);
ret = drmModeAtomicCommit(drm_fd, req, 0, NULL);
assert(ret == 0);
assert(liftoff_mock_plane_get_layer(mock_plane1) == layer2);
assert(liftoff_mock_plane_get_layer(mock_plane2) == layer1);
drmModeAtomicFree(req);
liftoff_device_destroy(device);
close(drm_fd);
return 0;
}
int main(int argc, char *argv[]) {
const char *test_name;
liftoff_log_set_priority(LIFTOFF_DEBUG);
if (argc != 2) {
fprintf(stderr, "usage: %s <test-name>\n", argv[0]);
return 1;
}
test_name = argv[1];
const char default_test_prefix[] = "default-";
if (strncmp(test_name, default_test_prefix,
strlen(default_test_prefix)) == 0) {
return test_prop_default(test_name + strlen(default_test_prefix));
} else if (strcmp(test_name, "ignore-alpha") == 0) {
return test_ignore_alpha();
} else if (strcmp(test_name, "immutable-zpos") == 0) {
return test_immutable_zpos();
} else {
fprintf(stderr, "no such test: %s\n", test_name);
return 1;
}
}