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/*
* Copyright (C) 2021 Purism SPC
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
* Author: Guido Günther <agx@sigxcpu.org>
*/
#include "monitor/head-priv.h"
PhogHeadMode phone_mode = {
.width = 720,
.height = 1440,
};
PhogHeadMode small_mode = {
.width = 1024,
.height = 768,
};
PhogHeadMode fourk_mode = {
.width = 3840,
.height = 2160,
};
static PhogHead *
stub_head_new (PhogHeadMode *mode)
{
/* We don't use `phog_head_new()` so we don't have to bother about wayland protcols, etc */
PhogHead *head = g_new0 (PhogHead, 1);
head->pending.scale = 1.0;
head->pending.mode = mode;
return head;
}
static void
stub_head_destroy (PhogHead *head)
{
g_free (head);
}
static GPtrArray *
get_layout (float scale)
{
PhogHead *head;
PhogHead *other_head;
GPtrArray *heads;
head = stub_head_new (&small_mode);
head->pending.scale = scale;
other_head = stub_head_new (&fourk_mode);
heads = g_ptr_array_new_with_free_func ((GDestroyNotify) (stub_head_destroy));
g_assert_nonnull (head->pending.mode);
g_assert_nonnull (other_head->pending.mode);
g_ptr_array_add (heads, head);
g_ptr_array_add (heads, other_head);
return heads;
}
static void
test_phog_head_set_transform (void)
{
PhogHead *head;
PhogHead *other_head;
GPtrArray *heads;
/* other_head right of head */
for (float scale = 1.0; scale <= 2.0; scale += 0.5) {
heads = get_layout (scale);
head = g_ptr_array_index (heads, 0);
other_head = g_ptr_array_index (heads, 1);
other_head->pending.x = head->pending.mode->width / scale;
g_assert_cmpint (head->pending.x, ==, 0);
g_assert_cmpint (head->pending.y, ==, 0);
g_assert_cmpint (other_head->pending.x, ==, small_mode.width / scale);
g_assert_cmpint (other_head->pending.y, ==, 0);
phog_head_set_pending_transform (head, PHOG_MONITOR_TRANSFORM_90, heads);
g_assert_cmpint (head->pending.x, ==, 0);
g_assert_cmpint (head->pending.y, ==, 0);
g_assert_cmpint (head->pending.transform, ==, PHOG_MONITOR_TRANSFORM_90);
g_assert_cmpint (other_head->pending.x, ==, small_mode.height / scale);
g_assert_cmpint (other_head->pending.y, ==, 0);
g_ptr_array_free (heads, TRUE);
}
/* other_head below head */
heads = get_layout (1.0);
head = g_ptr_array_index (heads, 0);
other_head = g_ptr_array_index (heads, 1);
other_head->pending.y = head->pending.mode->height;
g_assert_cmpint (head->pending.x, ==, 0);
g_assert_cmpint (head->pending.y, ==, 0);
g_assert_cmpint (other_head->pending.x, ==, 0);
g_assert_cmpint (other_head->pending.y, ==, small_mode.height);
phog_head_set_pending_transform (head, PHOG_MONITOR_TRANSFORM_90, heads);
g_assert_cmpint (head->pending.x, ==, 0);
g_assert_cmpint (head->pending.y, ==, 0);
g_assert_cmpint (head->pending.transform, ==, PHOG_MONITOR_TRANSFORM_90);
g_assert_cmpint (other_head->pending.x, ==, 0);
g_assert_cmpint (other_head->pending.y, ==, small_mode.width);
g_ptr_array_free (heads, TRUE);
/* other_head left of head */
heads = get_layout (1.0);
head = g_ptr_array_index (heads, 0);
other_head = g_ptr_array_index (heads, 1);
head->pending.x = other_head->pending.mode->width;
g_assert_cmpint (head->pending.x, ==, fourk_mode.width);
g_assert_cmpint (head->pending.y, ==, 0);
g_assert_cmpint (other_head->pending.x, ==, 0);
g_assert_cmpint (other_head->pending.y, ==, 0);
phog_head_set_pending_transform (head, PHOG_MONITOR_TRANSFORM_90, heads);
/* Nothing should have changed */
g_assert_cmpint (head->pending.x, ==, fourk_mode.width);
g_assert_cmpint (head->pending.y, ==, 0);
g_assert_cmpint (head->pending.transform, ==, PHOG_MONITOR_TRANSFORM_90);
g_assert_cmpint (other_head->pending.x, ==, 0);
g_assert_cmpint (other_head->pending.y, ==, 0);
g_ptr_array_free (heads, TRUE);
}
static void
test_phog_head_scale_integer (void)
{
int num;
g_autofree float *scales;
scales = phog_head_calculate_supported_mode_scales (NULL, &phone_mode, &num, FALSE);
g_assert_cmpint (num, ==, 2);
g_assert_true (G_APPROX_VALUE (scales[0], 1.0, FLT_EPSILON));
g_assert_true (G_APPROX_VALUE (scales[1], 2.0, FLT_EPSILON));
g_clear_pointer (&scales, g_free);
scales = phog_head_calculate_supported_mode_scales (NULL, &fourk_mode, &num, FALSE);
g_assert_cmpint (num, ==, 4);
g_assert_true (G_APPROX_VALUE (scales[0], 1.0, FLT_EPSILON));
g_assert_true (G_APPROX_VALUE (scales[1], 2.0, FLT_EPSILON));
g_assert_true (G_APPROX_VALUE (scales[2], 3.0, FLT_EPSILON));
g_assert_true (G_APPROX_VALUE (scales[3], 4.0, FLT_EPSILON));
}
static void
test_phog_head_scale_fractional (void)
{
int num;
g_autofree float *scales;
scales = phog_head_calculate_supported_mode_scales (NULL, &phone_mode, &num, TRUE);
g_assert_cmpint (num, ==, 5);
g_assert_true (G_APPROX_VALUE (scales[0], 1.0, FLT_EPSILON));
g_assert_true (G_APPROX_VALUE (scales[1], 1.25, FLT_EPSILON));
g_assert_true (G_APPROX_VALUE (scales[2], 1.5, FLT_EPSILON));
g_assert_cmpfloat (scales[3], >=, 1.75);
g_assert_cmpfloat (scales[3], <=, 1.76);
g_assert_true (G_APPROX_VALUE (scales[4], 2.0, FLT_EPSILON));
g_clear_pointer (&scales, g_free);
scales = phog_head_calculate_supported_mode_scales (NULL, &fourk_mode, &num, TRUE);
g_assert_cmpint (num, ==, 13);
g_assert_true (G_APPROX_VALUE (scales[0], 1.0, FLT_EPSILON));
g_assert_true (G_APPROX_VALUE (scales[1], 1.25, FLT_EPSILON));
/* ... */
g_assert_true (G_APPROX_VALUE (scales[11], 3.75, FLT_EPSILON));
g_assert_true (G_APPROX_VALUE (scales[12], 4.0, FLT_EPSILON));
}
int
main (int argc,
char *argv[])
{
g_test_init (&argc, &argv, NULL);
g_test_add_func("/phog/head/layout/set_transform", test_phog_head_set_transform);
g_test_add_func("/phog/head/scale/integer", test_phog_head_scale_integer);
g_test_add_func("/phog/head/scale/fractional", test_phog_head_scale_fractional);
return g_test_run();
}
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