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weston/tests/color-management-test.c
Pekka Paalanen 71594a97f8 tests/color-management: commit the image description 
Just for completeness sake, let's commit the image description. This
should poke at the surface state machinery with the image description.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
2026-03-03 07:41:27 +00:00

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/*
* Copyright 2023 Collabora, Ltd.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "config.h"
#include <libweston/linalg-3.h>
#include "color-properties.h"
#include "color-manager-client.h"
#include "weston-test-client-helper.h"
#include "weston-test-fixture-compositor.h"
#include "weston-test-assert.h"
#include "shared/xalloc.h"
#include "lcms_util.h"
#include "color-management-v1-client-protocol.h"
#include <fcntl.h>
#include <sys/stat.h>
static char srgb_icc_profile_path[500] = "\0";
const struct lcms_pipeline pipeline_sRGB = {
.color_space = "sRGB",
.prim_output = {
.Red = { 0.640, 0.330, 1.0 },
.Green = { 0.300, 0.600, 1.0 },
.Blue = { 0.150, 0.060, 1.0 }
},
.pre_fn = TRANSFER_FN_SRGB,
.mat = WESTON_MAT3F_IDENTITY,
.post_fn = TRANSFER_FN_SRGB_INVERSE
};
static struct color_manager_client *
color_manager_get(struct client *client)
{
struct color_manager_client *cm = client_get_color_manager(client, 1);
/* Weston supports all color features. */
test_assert_u32_eq(cm->supported_features,
(1 << WP_COLOR_MANAGER_V1_FEATURE_ICC_V2_V4) |
(1 << WP_COLOR_MANAGER_V1_FEATURE_PARAMETRIC) |
(1 << WP_COLOR_MANAGER_V1_FEATURE_SET_PRIMARIES) |
(1 << WP_COLOR_MANAGER_V1_FEATURE_SET_TF_POWER) |
(1 << WP_COLOR_MANAGER_V1_FEATURE_SET_LUMINANCES) |
(1 << WP_COLOR_MANAGER_V1_FEATURE_SET_MASTERING_DISPLAY_PRIMARIES) |
(1 << WP_COLOR_MANAGER_V1_FEATURE_EXTENDED_TARGET_VOLUME));
/* Weston supports all rendering intents. */
test_assert_u32_eq(cm->supported_rendering_intents,
(1 << WP_COLOR_MANAGER_V1_RENDER_INTENT_PERCEPTUAL) |
(1 << WP_COLOR_MANAGER_V1_RENDER_INTENT_RELATIVE) |
(1 << WP_COLOR_MANAGER_V1_RENDER_INTENT_SATURATION) |
(1 << WP_COLOR_MANAGER_V1_RENDER_INTENT_ABSOLUTE) |
(1 << WP_COLOR_MANAGER_V1_RENDER_INTENT_RELATIVE_BPC));
test_assert_true(cm->init_done);
return cm;
}
static void
build_sRGB_icc_profile(const char *filename)
{
cmsHPROFILE profile;
double vcgt_exponents[COLOR_CHAN_NUM] = { 0.0 };
bool saved;
profile = build_lcms_matrix_shaper_profile_output(NULL, &pipeline_sRGB,
vcgt_exponents);
test_assert_ptr_not_null(profile);
saved = cmsSaveProfileToFile(profile, filename);
test_assert_true(saved);
cmsCloseProfile(profile);
}
static enum test_result_code
fixture_setup(struct weston_test_harness *harness)
{
struct compositor_setup setup;
compositor_setup_defaults(&setup);
setup.renderer = WESTON_RENDERER_GL;
setup.shell = SHELL_TEST_DESKTOP;
setup.refresh = HIGHEST_OUTPUT_REFRESH;
/* Create the sRGB ICC profile. We do that only once for this test
* program. */
if (strlen(srgb_icc_profile_path) == 0) {
char *tmp;
tmp = output_filename_for_test_program(THIS_TEST_NAME,
NULL, "icm");
test_assert_int_lt(strlen(tmp), ARRAY_LENGTH(srgb_icc_profile_path));
strcpy(srgb_icc_profile_path, tmp);
free(tmp);
build_sRGB_icc_profile(srgb_icc_profile_path);
}
weston_ini_setup(&setup,
cfgln("[core]"),
cfgln("color-management=true"));
return weston_test_harness_execute_as_client(harness, &setup);
}
DECLARE_FIXTURE_SETUP(fixture_setup);
TEST(output_get_image_description)
{
struct client *client;
struct color_manager_client *cm;
struct image_description *image_descr;
struct image_description_info *info;
client = create_client_and_test_surface(100, 100, 100, 100);
cm = color_manager_get(client);
/* Get image description from output */
image_descr = image_description_create_for_output(cm, client->output);
image_description_wait_until_ready(client, image_descr);
/* Get output image description information */
info = image_description_get_information(client, image_descr);
image_description_info_destroy(info);
image_description_destroy(image_descr);
client_destroy(client);
return RESULT_OK;
}
TEST(surface_get_preferred_image_description)
{
struct client *client;
struct color_manager_client *cm;
struct image_description *image_descr;
struct image_description_info *info;
client = create_client_and_test_surface(100, 100, 100, 100);
cm = color_manager_get(client);
/* Get preferred image description from surface */
image_descr = image_description_create_for_preferred(cm, client->surface);
image_description_wait_until_ready(client, image_descr);
/* Get surface image description information */
info = image_description_get_information(client, image_descr);
image_description_info_destroy(info);
image_description_destroy(image_descr);
client_destroy(client);
return RESULT_OK;
}
TEST(create_image_description_before_setting_icc_file)
{
struct client *client;
struct color_manager_client *cm;
struct wp_image_description_creator_icc_v1 *image_descr_creator_icc;
struct wp_image_description_v1 *image_desc;
client = create_client_and_test_surface(100, 100, 100, 100);
cm = color_manager_get(client);
image_descr_creator_icc =
wp_color_manager_v1_create_icc_creator(cm->manager_proxy);
/* Try creating image description based on ICC profile but without
* setting the ICC file, what should fail.
*
* We expect a protocol error from unknown object, because the
* image_descr_creator_icc wl_proxy will get destroyed with the create
* call below. It is a destructor request. */
image_desc = wp_image_description_creator_icc_v1_create(image_descr_creator_icc);
expect_protocol_error(client, NULL,
WP_IMAGE_DESCRIPTION_CREATOR_ICC_V1_ERROR_INCOMPLETE_SET);
wp_image_description_v1_destroy(image_desc);
client_destroy(client);
return RESULT_OK;
}
TEST(set_unreadable_icc_fd)
{
struct client *client;
struct color_manager_client *cm;
struct wp_image_description_creator_icc_v1 *image_descr_creator_icc;
int32_t icc_fd;
struct stat st;
client = create_client_and_test_surface(100, 100, 100, 100);
cm = color_manager_get(client);
image_descr_creator_icc =
wp_color_manager_v1_create_icc_creator(cm->manager_proxy);
/* The file is being open with WRITE, not READ permission. So the
* compositor should complain. */
icc_fd = open(srgb_icc_profile_path, O_WRONLY);
test_assert_s32_ge(icc_fd, 0);
test_assert_int_eq(fstat(icc_fd, &st), 0);
/* Try setting the bad ICC file fd, it should fail. */
wp_image_description_creator_icc_v1_set_icc_file(image_descr_creator_icc,
icc_fd, 0, st.st_size);
expect_protocol_error(client, &wp_image_description_creator_icc_v1_interface,
WP_IMAGE_DESCRIPTION_CREATOR_ICC_V1_ERROR_BAD_FD);
close(icc_fd);
wp_image_description_creator_icc_v1_destroy(image_descr_creator_icc);
client_destroy(client);
return RESULT_OK;
}
TEST(set_bad_icc_size_zero)
{
struct client *client;
struct color_manager_client *cm;
struct wp_image_description_creator_icc_v1 *image_descr_creator_icc;
int32_t icc_fd;
client = create_client_and_test_surface(100, 100, 100, 100);
cm = color_manager_get(client);
image_descr_creator_icc =
wp_color_manager_v1_create_icc_creator(cm->manager_proxy);
icc_fd = open(srgb_icc_profile_path, O_RDONLY);
test_assert_s32_ge(icc_fd, 0);
/* Try setting ICC file with a bad size, it should fail. */
wp_image_description_creator_icc_v1_set_icc_file(image_descr_creator_icc,
icc_fd, 0, 0);
expect_protocol_error(client, &wp_image_description_creator_icc_v1_interface,
WP_IMAGE_DESCRIPTION_CREATOR_ICC_V1_ERROR_BAD_SIZE);
close(icc_fd);
wp_image_description_creator_icc_v1_destroy(image_descr_creator_icc);
client_destroy(client);
return RESULT_OK;
}
TEST(set_bad_icc_non_seekable)
{
struct client *client;
struct color_manager_client *cm;
struct wp_image_description_creator_icc_v1 *image_descr_creator_icc;
int32_t fds[2];
client = create_client_and_test_surface(100, 100, 100, 100);
cm = color_manager_get(client);
image_descr_creator_icc =
wp_color_manager_v1_create_icc_creator(cm->manager_proxy);
/* We need a non-seekable file, and pipes are non-seekable. */
test_assert_int_ge(pipe(fds), 0);
/* Pretend that it has a valid size of 1024 bytes. That still should
* fail because the fd is non-seekable. */
wp_image_description_creator_icc_v1_set_icc_file(image_descr_creator_icc,
fds[0], 0, 1024);
expect_protocol_error(client, &wp_image_description_creator_icc_v1_interface,
WP_IMAGE_DESCRIPTION_CREATOR_ICC_V1_ERROR_BAD_FD);
close(fds[0]);
close(fds[1]);
wp_image_description_creator_icc_v1_destroy(image_descr_creator_icc);
client_destroy(client);
return RESULT_OK;
}
TEST(set_icc_twice)
{
struct client *client;
struct color_manager_client *cm;
struct wp_image_description_creator_icc_v1 *image_descr_creator_icc;
int32_t icc_fd;
struct stat st;
client = create_client_and_test_surface(100, 100, 100, 100);
cm = color_manager_get(client);
image_descr_creator_icc =
wp_color_manager_v1_create_icc_creator(cm->manager_proxy);
icc_fd = open(srgb_icc_profile_path, O_RDONLY);
test_assert_s32_ge(icc_fd, 0);
test_assert_int_eq(fstat(icc_fd, &st), 0);
wp_image_description_creator_icc_v1_set_icc_file(image_descr_creator_icc,
icc_fd, 0, st.st_size);
client_roundtrip(client);
/* Set the ICC again, what should fail. */
wp_image_description_creator_icc_v1_set_icc_file(image_descr_creator_icc,
icc_fd, 0, st.st_size);
expect_protocol_error(client, &wp_image_description_creator_icc_v1_interface,
WP_IMAGE_DESCRIPTION_CREATOR_ICC_V1_ERROR_ALREADY_SET);
close(icc_fd);
wp_image_description_creator_icc_v1_destroy(image_descr_creator_icc);
client_destroy(client);
return RESULT_OK;
}
TEST(create_icc_image_description_no_info)
{
struct client *client;
struct color_manager_client *cm;
struct image_description *image_descr;
struct wp_image_description_info_v1 *proxy;
client = create_client_and_test_surface(100, 100, 100, 100);
cm = color_manager_get(client);
/* Create image description based on ICC profile */
image_descr = image_description_create_for_icc(cm, srgb_icc_profile_path);
image_description_wait_until_ready(client, image_descr);
/* Get image description information, and that should fail. Images
* descriptions that we create do not accept this request. */
proxy = wp_image_description_v1_get_information(image_descr->proxy);
expect_protocol_error(client, &wp_image_description_v1_interface,
WP_IMAGE_DESCRIPTION_V1_ERROR_NO_INFORMATION);
wp_image_description_info_v1_destroy(proxy);
image_description_destroy(image_descr);
client_destroy(client);
return RESULT_OK;
}
TEST(set_surface_image_description)
{
struct client *client;
struct color_manager_client *cm;
struct image_description *image_descr;
struct wp_color_management_surface_v1 *cm_surface;
client = create_client_and_test_surface(100, 100, 100, 100);
cm = color_manager_get(client);
cm_surface = wp_color_manager_v1_get_surface(cm->manager_proxy, client->surface->wl_surface);
/* Create image description based on ICC profile */
image_descr = image_description_create_for_icc(cm, srgb_icc_profile_path);
image_description_wait_until_ready(client, image_descr);
/* Set surface image description */
wp_color_management_surface_v1_set_image_description(cm_surface,
image_descr->proxy,
WP_COLOR_MANAGER_V1_RENDER_INTENT_PERCEPTUAL);
wl_surface_attach(client->surface->wl_surface, client->surface->buffer->proxy, 0, 0);
wl_surface_damage(client->surface->wl_surface, 0, 0, 1000, 1000);
wl_surface_commit(client->surface->wl_surface);
client_roundtrip(client);
wp_color_management_surface_v1_destroy(cm_surface);
image_description_destroy(image_descr);
client_destroy(client);
return RESULT_OK;
}
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