tests: add color-metadata-parsing

Check that weston.ini settings to eotf-mode and basic color
characteristics are correctly parsed.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>

tests/color-metadata-parsing-test.c

@@ -0,0 +1,120 @@
+/*
+ * Copyright 2022 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 <string.h>
+#include <assert.h>
+
+#include "weston-test-client-helper.h"
+#include "weston-test-fixture-compositor.h"
+#include "backend.h"
+
+static enum test_result_code
+fixture_setup(struct weston_test_harness *harness)
+{
+	struct compositor_setup setup;
+
+	compositor_setup_defaults(&setup);
+	setup.renderer = RENDERER_GL;
+	setup.shell = SHELL_TEST_DESKTOP;
+
+	weston_ini_setup(&setup,
+			 cfgln("[output]"),
+			 cfgln("name=headless"),
+			 cfgln("color_characteristics=my-awesome-color"),
+			 cfgln("eotf-mode=st2084"),
+
+			 cfgln("[color_characteristics]"),
+			 cfgln("name=my-awesome-color"),
+			 cfgln("maxFALL=1000"),
+			 cfgln("red_x=0.9999"),
+			 cfgln("red_y=0.3"),
+			 cfgln("blue_x=0.1"),
+			 cfgln("blue_y=0.11"),
+			 cfgln("green_x=0.1771"),
+			 cfgln("green_y=0.80001"),
+			 cfgln("white_x=0.313"),
+			 cfgln("white_y=0.323"),
+			 cfgln("min_L=0.0001"),
+			 cfgln("max_L=65535.0"),
+
+			 cfgln("[core]"),
+			 cfgln("color-management=true"));
+
+	return weston_test_harness_execute_as_plugin(harness, &setup);
+}
+DECLARE_FIXTURE_SETUP(fixture_setup);
+
+PLUGIN_TEST(color_characteristics_from_weston_ini)
+{
+	struct weston_output *output = NULL;
+	struct weston_output *it;
+	enum weston_eotf_mode mode;
+	const struct weston_color_characteristics *cc;
+	const struct weston_hdr_metadata_type1 *hdr_meta;
+
+	wl_list_for_each(it, &compositor->output_list, link) {
+		if (strcmp(it->name, "headless") == 0) {
+			output = it;
+			break;
+		}
+	}
+
+	assert(output);
+
+	mode = weston_output_get_eotf_mode(output);
+	assert(mode == WESTON_EOTF_MODE_ST2084);
+
+	cc = weston_output_get_color_characteristics(output);
+	assert(cc->group_mask == WESTON_COLOR_CHARACTERISTICS_GROUP_ALL_MASK);
+	assert(cc->primary[0].x == 0.9999f);
+	assert(cc->primary[0].y == 0.3f);
+	assert(cc->primary[1].x == 0.1771f);
+	assert(cc->primary[1].y == 0.80001f);
+	assert(cc->primary[2].x == 0.1f);
+	assert(cc->primary[2].y == 0.11f);
+	assert(cc->white.x == 0.313f);
+	assert(cc->white.y == 0.323f);
+	assert(cc->min_luminance == 0.0001f);
+	assert(cc->max_luminance == 65535.0f);
+	assert(cc->maxFALL == 1000.0f);
+
+	/* The below is color manager policy. */
+	hdr_meta = weston_output_get_hdr_metadata_type1(output);
+	assert(hdr_meta->group_mask == WESTON_HDR_METADATA_TYPE1_GROUP_ALL_MASK);
+	assert(hdr_meta->primary[0].x == 0.9999f);
+	assert(hdr_meta->primary[0].y == 0.3f);
+	assert(hdr_meta->primary[1].x == 0.1771f);
+	assert(hdr_meta->primary[1].y == 0.80001f);
+	assert(hdr_meta->primary[2].x == 0.1f);
+	assert(hdr_meta->primary[2].y == 0.11f);
+	assert(hdr_meta->white.x == 0.313f);
+	assert(hdr_meta->white.y == 0.323f);
+	assert(hdr_meta->minDML == 0.0001f);
+	assert(hdr_meta->maxDML == 65535.0f);
+	assert(hdr_meta->maxCLL == 65535.0f);
+	assert(hdr_meta->maxFALL == 1000.0f);
+}

tests/meson.build

@@ -235,10 +235,13 @@ if get_option('color-management-lcms')
 	if not dep_lcms2.found()
 		error('color-management-lcms tests require lcms2 which was not found. Or, you can use \'-Dcolor-management-lcms=false\'.')
 	endif
-	tests += {
+	tests += [
+		{
 			'name': 'color-shaper-matrix',
 			'dep_objs': [ dep_libm, dep_lcms2 ]
-	}
+		},
+		{	'name': 'color-metadata-parsing' },
+	]
 endif