/**************************************************************************/
/* metal_utils.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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 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. */
/**************************************************************************/
#ifndef METAL_UTILS_H
#define METAL_UTILS_H
#import <os/log.h>
#pragma mark - Boolean flags
namespace flags {
/*! Sets the flags within the value parameter specified by the mask parameter. */
template <typename Tv, typename Tm>
void set(Tv &p_value, Tm p_mask) {
using T = std::underlying_type_t<Tv>;
p_value = static_cast<Tv>(static_cast<T>(p_value) | static_cast<T>(p_mask));
}
/*! Clears the flags within the value parameter specified by the mask parameter. */
template <typename Tv, typename Tm>
void clear(Tv &p_value, Tm p_mask) {
using T = std::underlying_type_t<Tv>;
p_value = static_cast<Tv>(static_cast<T>(p_value) & ~static_cast<T>(p_mask));
}
/*! Returns whether the specified value has any of the bits specified in mask set to 1. */
template <typename Tv, typename Tm>
static constexpr bool any(Tv p_value, const Tm p_mask) { return ((p_value & p_mask) != 0); }
/*! Returns whether the specified value has all of the bits specified in mask set to 1. */
template <typename Tv, typename Tm>
static constexpr bool all(Tv p_value, const Tm p_mask) { return ((p_value & p_mask) == p_mask); }
} //namespace flags
#pragma mark - Alignment and Offsets
static constexpr bool is_power_of_two(uint64_t p_value) {
return p_value && ((p_value & (p_value - 1)) == 0);
}
static constexpr uint64_t round_up_to_alignment(uint64_t p_value, uint64_t p_alignment) {
DEV_ASSERT(is_power_of_two(p_alignment));
if (p_alignment == 0) {
return p_value;
}
uint64_t mask = p_alignment - 1;
uint64_t aligned_value = (p_value + mask) & ~mask;
return aligned_value;
}
class Defer {
public:
Defer(std::function<void()> func) :
func_(func) {}
~Defer() { func_(); }
private:
std::function<void()> func_;
};
#define CONCAT_INTERNAL(x, y) x##y
#define CONCAT(x, y) CONCAT_INTERNAL(x, y)
#define DEFER const Defer &CONCAT(defer__, __LINE__) = Defer
extern os_log_t LOG_DRIVER;
// Used for dynamic tracing.
extern os_log_t LOG_INTERVALS;
#endif // METAL_UTILS_H
Codebase Browser
godot