vkd3d/tests/utils.h
Zebediah Figura 367bd15ec5 tests: Simplify "probe" directive syntax and parsing a bit.
Signed-off-by: Matteo Bruni <mbruni@codeweavers.com>
Signed-off-by: Giovanni Mascellani <gmascellani@codeweavers.com>
Signed-off-by: Zebediah Figura <zfigura@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2022-04-20 23:01:04 +02:00

106 lines
2.5 KiB
C

/*
* Copyright 2016-2018 Józef Kucia for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef __VKD3D_TEST_UTILS_H
#define __VKD3D_TEST_UTILS_H
#include <limits.h>
#include <stdbool.h>
#include <stdlib.h>
struct vec2
{
float x, y;
};
struct vec4
{
float x, y, z, w;
};
static inline bool vkd3d_array_reserve(void **elements, size_t *capacity, size_t element_count, size_t element_size)
{
size_t new_capacity, max_capacity;
void *new_elements;
if (element_count <= *capacity)
return true;
max_capacity = ~(size_t)0 / element_size;
if (max_capacity < element_count)
return false;
new_capacity = max(*capacity, 4);
while (new_capacity < element_count && new_capacity <= max_capacity / 2)
new_capacity *= 2;
if (new_capacity < element_count)
new_capacity = element_count;
if (!(new_elements = realloc(*elements, new_capacity * element_size)))
return false;
*elements = new_elements;
*capacity = new_capacity;
return true;
}
static bool compare_float(float f, float g, unsigned int ulps)
{
int x, y;
union
{
float f;
int i;
} u;
u.f = f;
x = u.i;
u.f = g;
y = u.i;
if (x < 0)
x = INT_MIN - x;
if (y < 0)
y = INT_MIN - y;
if (abs(x - y) > ulps)
return false;
return true;
}
static inline bool compare_vec4(const struct vec4 *v1, const struct vec4 *v2, unsigned int ulps)
{
return compare_float(v1->x, v2->x, ulps)
&& compare_float(v1->y, v2->y, ulps)
&& compare_float(v1->z, v2->z, ulps)
&& compare_float(v1->w, v2->w, ulps);
}
static inline void set_rect(RECT *rect, int left, int top, int right, int bottom)
{
rect->left = left;
rect->right = right;
rect->top = top;
rect->bottom = bottom;
}
#endif