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146 lignes
3.3 KiB
146 lignes
3.3 KiB
#pragma once
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#include <new>
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#include <type_traits>
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#include <cstddef>
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#include <cstdint>
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#include <cstdlib>
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#ifdef GP_TESTS
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class static_mapper;
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#else
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namespace gp {
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class c_allocator;
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}
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#endif
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/**
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* @brief This namespace contains the configuration.
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*
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* This namespace is expected to be fully defined in an include accessible from the root
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* of your header list:
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* \code{.cpp}
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* #include "gp_config.hpp"
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* \endcode
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*
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* The code line above should always be the one including that config and that namespace.
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*/
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namespace gp_config{
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namespace rendering {
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/**
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* @brief The default type used for rendering processes
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*/
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using default_type = float;
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/**
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* @brief The small enough value used in signed distance function resolution
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*/
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constexpr default_type epsilon = 0.01;
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/**
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* @brief The default color type
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*/
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#define GP_CONFIG__RENDERING__COLOR_T vec4
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}
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/**
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* @brief This namespace contains artificial limitations put on the runtime
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*/
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namespace limits {
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/**
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* @brief the total number of processes the system is allowed to have
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*/
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constexpr size_t max_processes = 4096;
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/**
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* @brief the number of open files each process is allowed to have
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*/
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constexpr size_t max_fd_per_process = 128;
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/**
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* @brief the stack size for the new stacks generated by the concurrency system
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*/
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constexpr size_t process_stack = 1024;
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/**
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* @brief expected stack alignment
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*/
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constexpr size_t process_stack_align_to = 16;
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/**
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* @brief presents the direction of stack growth
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*/
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constexpr size_t stack_grow_upwards = false;
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#if __cpp_lib_hardware_interference_size >= 201603
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constexpr size_t hardware_constructive_interference_size = std::hardware_constructive_interference_size;
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constexpr size_t hardware_destructive_interference_size = std::hardware_destructive_interference_size;
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#else
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constexpr size_t hardware_constructive_interference_size = 128;
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constexpr size_t hardware_destructive_interference_size = 128;
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#endif
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}
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namespace memory_module{
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constexpr bool is_ok = true;
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}
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typedef uint32_t file_descriptor_t;
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/**
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* @brief set to true to enable exceptions
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*/
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constexpr bool has_exceptions = true;
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/**
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* @brief set to true to activate bounds checking
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*/
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constexpr bool has_buffer_bounds = true;
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//
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//
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//
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/**
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* @brief A value used to determine the strength used by random number generators
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*
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* Value of 8 is considered not cryptographically secure
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* Value of 12 offers a good compromise of performance and robustness
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* Value of 20 offers maximum robustness
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*/
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constexpr size_t arc4random_strength = 20;
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/**
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* @brief an exception that represents an assertion failure
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*/
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struct assert_failure{
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assert_failure(const char* reason)
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: what_str{reason}
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{}
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const char* what_str;
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const char* what() {return what_str;}
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};
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/**
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* @brief UNUSED
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*/
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constexpr size_t assert_buffer_size = 0;
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/**
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* @brief an assertion function
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*/
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constexpr auto assertion = [](bool pred, const char* reason) -> void{
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if constexpr (has_exceptions)
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if(!pred) throw assert_failure(reason);
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};
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}
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/**
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* @brief a list of error codes
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*/
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enum class gp_errorcodes : int {
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/**
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* @brief this error code is activated upon reaching a skipstone limit that seems like infinity.
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*/
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infinite_skipstone = 3000
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};
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