Jolt Physics
A multi core friendly Game Physics Engine
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Core.h
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1// Jolt Physics Library (https://github.com/jrouwe/JoltPhysics)
2// SPDX-FileCopyrightText: 2021 Jorrit Rouwe
3// SPDX-License-Identifier: MIT
4
5#pragma once
6
7// Jolt library version
8#define JPH_VERSION_MAJOR 5
9#define JPH_VERSION_MINOR 2
10#define JPH_VERSION_PATCH 1
11
12// Determine which features the library was compiled with
13#ifdef JPH_DOUBLE_PRECISION
14 #define JPH_VERSION_FEATURE_BIT_1 1
15#else
16 #define JPH_VERSION_FEATURE_BIT_1 0
17#endif
18#ifdef JPH_CROSS_PLATFORM_DETERMINISTIC
19 #define JPH_VERSION_FEATURE_BIT_2 1
20#else
21 #define JPH_VERSION_FEATURE_BIT_2 0
22#endif
23#ifdef JPH_FLOATING_POINT_EXCEPTIONS_ENABLED
24 #define JPH_VERSION_FEATURE_BIT_3 1
25#else
26 #define JPH_VERSION_FEATURE_BIT_3 0
27#endif
28#ifdef JPH_PROFILE_ENABLED
29 #define JPH_VERSION_FEATURE_BIT_4 1
30#else
31 #define JPH_VERSION_FEATURE_BIT_4 0
32#endif
33#ifdef JPH_EXTERNAL_PROFILE
34 #define JPH_VERSION_FEATURE_BIT_5 1
35#else
36 #define JPH_VERSION_FEATURE_BIT_5 0
37#endif
38#ifdef JPH_DEBUG_RENDERER
39 #define JPH_VERSION_FEATURE_BIT_6 1
40#else
41 #define JPH_VERSION_FEATURE_BIT_6 0
42#endif
43#ifdef JPH_DISABLE_TEMP_ALLOCATOR
44 #define JPH_VERSION_FEATURE_BIT_7 1
45#else
46 #define JPH_VERSION_FEATURE_BIT_7 0
47#endif
48#ifdef JPH_DISABLE_CUSTOM_ALLOCATOR
49 #define JPH_VERSION_FEATURE_BIT_8 1
50#else
51 #define JPH_VERSION_FEATURE_BIT_8 0
52#endif
53#if defined(JPH_OBJECT_LAYER_BITS) && JPH_OBJECT_LAYER_BITS == 32
54 #define JPH_VERSION_FEATURE_BIT_9 1
55#else
56 #define JPH_VERSION_FEATURE_BIT_9 0
57#endif
58#ifdef JPH_ENABLE_ASSERTS
59 #define JPH_VERSION_FEATURE_BIT_10 1
60#else
61 #define JPH_VERSION_FEATURE_BIT_10 0
62#endif
63#ifdef JPH_OBJECT_STREAM
64 #define JPH_VERSION_FEATURE_BIT_11 1
65#else
66 #define JPH_VERSION_FEATURE_BIT_11 0
67#endif
68#define JPH_VERSION_FEATURES (uint64(JPH_VERSION_FEATURE_BIT_1) | (JPH_VERSION_FEATURE_BIT_2 << 1) | (JPH_VERSION_FEATURE_BIT_3 << 2) | (JPH_VERSION_FEATURE_BIT_4 << 3) | (JPH_VERSION_FEATURE_BIT_5 << 4) | (JPH_VERSION_FEATURE_BIT_6 << 5) | (JPH_VERSION_FEATURE_BIT_7 << 6) | (JPH_VERSION_FEATURE_BIT_8 << 7) | (JPH_VERSION_FEATURE_BIT_9 << 8) | (JPH_VERSION_FEATURE_BIT_10 << 9) | (JPH_VERSION_FEATURE_BIT_11 << 10))
69
70// Combine the version and features in a single ID
71#define JPH_VERSION_ID ((JPH_VERSION_FEATURES << 24) | (JPH_VERSION_MAJOR << 16) | (JPH_VERSION_MINOR << 8) | JPH_VERSION_PATCH)
72
73// Determine platform
74#if defined(JPH_PLATFORM_BLUE)
75 // Correct define already defined, this overrides everything else
76#elif defined(_WIN32) || defined(_WIN64)
77 #include <winapifamily.h>
78 #if WINAPI_FAMILY == WINAPI_FAMILY_APP
79 #define JPH_PLATFORM_WINDOWS_UWP // Building for Universal Windows Platform
80 #endif
81 #define JPH_PLATFORM_WINDOWS
82#elif defined(__ANDROID__) // Android is linux too, so that's why we check it first
83 #define JPH_PLATFORM_ANDROID
84#elif defined(__linux__)
85 #define JPH_PLATFORM_LINUX
86#elif defined(__FreeBSD__)
87 #define JPH_PLATFORM_FREEBSD
88#elif defined(__APPLE__)
89 #include <TargetConditionals.h>
90 #if defined(TARGET_OS_IPHONE) && !TARGET_OS_IPHONE
91 #define JPH_PLATFORM_MACOS
92 #else
93 #define JPH_PLATFORM_IOS
94 #endif
95#elif defined(__EMSCRIPTEN__)
96 #define JPH_PLATFORM_WASM
97#endif
98
99// Platform helper macros
100#ifdef JPH_PLATFORM_ANDROID
101 #define JPH_IF_NOT_ANDROID(x)
102#else
103 #define JPH_IF_NOT_ANDROID(x) x
104#endif
105
106// Determine compiler
107#if defined(__clang__)
108 #define JPH_COMPILER_CLANG
109#elif defined(__GNUC__)
110 #define JPH_COMPILER_GCC
111#elif defined(_MSC_VER)
112 #define JPH_COMPILER_MSVC
113#endif
114
115#if defined(__MINGW64__) || defined (__MINGW32__)
116 #define JPH_COMPILER_MINGW
117#endif
118
119// Detect CPU architecture
120#if defined(__x86_64__) || defined(_M_X64) || defined(__i386__) || defined(_M_IX86)
121 // X86 CPU architecture
122 #define JPH_CPU_X86
123 #if defined(__x86_64__) || defined(_M_X64)
124 #define JPH_CPU_ADDRESS_BITS 64
125 #else
126 #define JPH_CPU_ADDRESS_BITS 32
127 #endif
128 #define JPH_USE_SSE
129 #define JPH_VECTOR_ALIGNMENT 16
130 #define JPH_DVECTOR_ALIGNMENT 32
131
132 // Detect enabled instruction sets
133 #if defined(__AVX512F__) && defined(__AVX512VL__) && defined(__AVX512DQ__) && !defined(JPH_USE_AVX512)
134 #define JPH_USE_AVX512
135 #endif
136 #if (defined(__AVX2__) || defined(JPH_USE_AVX512)) && !defined(JPH_USE_AVX2)
137 #define JPH_USE_AVX2
138 #endif
139 #if (defined(__AVX__) || defined(JPH_USE_AVX2)) && !defined(JPH_USE_AVX)
140 #define JPH_USE_AVX
141 #endif
142 #if (defined(__SSE4_2__) || defined(JPH_USE_AVX)) && !defined(JPH_USE_SSE4_2)
143 #define JPH_USE_SSE4_2
144 #endif
145 #if (defined(__SSE4_1__) || defined(JPH_USE_SSE4_2)) && !defined(JPH_USE_SSE4_1)
146 #define JPH_USE_SSE4_1
147 #endif
148 #if (defined(__F16C__) || defined(JPH_USE_AVX2)) && !defined(JPH_USE_F16C)
149 #define JPH_USE_F16C
150 #endif
151 #if (defined(__LZCNT__) || defined(JPH_USE_AVX2)) && !defined(JPH_USE_LZCNT)
152 #define JPH_USE_LZCNT
153 #endif
154 #if (defined(__BMI__) || defined(JPH_USE_AVX2)) && !defined(JPH_USE_TZCNT)
155 #define JPH_USE_TZCNT
156 #endif
157 #ifndef JPH_CROSS_PLATFORM_DETERMINISTIC // FMA is not compatible with cross platform determinism
158 #if defined(JPH_COMPILER_CLANG) || defined(JPH_COMPILER_GCC)
159 #if defined(__FMA__) && !defined(JPH_USE_FMADD)
160 #define JPH_USE_FMADD
161 #endif
162 #elif defined(JPH_COMPILER_MSVC)
163 #if defined(__AVX2__) && !defined(JPH_USE_FMADD) // AVX2 also enables fused multiply add
164 #define JPH_USE_FMADD
165 #endif
166 #else
167 #error Undefined compiler
168 #endif
169 #endif
170#elif defined(__aarch64__) || defined(_M_ARM64) || defined(__arm__) || defined(_M_ARM)
171 // ARM CPU architecture
172 #define JPH_CPU_ARM
173 #if defined(__aarch64__) || defined(_M_ARM64)
174 #define JPH_CPU_ADDRESS_BITS 64
175 #define JPH_USE_NEON
176 #define JPH_VECTOR_ALIGNMENT 16
177 #define JPH_DVECTOR_ALIGNMENT 32
178 #else
179 #define JPH_CPU_ADDRESS_BITS 32
180 #define JPH_VECTOR_ALIGNMENT 8 // 32-bit ARM does not support aligning on the stack on 16 byte boundaries
181 #define JPH_DVECTOR_ALIGNMENT 8
182 #endif
183#elif defined(__riscv)
184 // RISC-V CPU architecture
185 #define JPH_CPU_RISCV
186 #if __riscv_xlen == 64
187 #define JPH_CPU_ADDRESS_BITS 64
188 #define JPH_VECTOR_ALIGNMENT 16
189 #define JPH_DVECTOR_ALIGNMENT 32
190 #else
191 #define JPH_CPU_ADDRESS_BITS 32
192 #define JPH_VECTOR_ALIGNMENT 16
193 #define JPH_DVECTOR_ALIGNMENT 8
194 #endif
195#elif defined(JPH_PLATFORM_WASM)
196 // WebAssembly CPU architecture
197 #define JPH_CPU_WASM
198 #define JPH_CPU_ADDRESS_BITS 32
199 #define JPH_VECTOR_ALIGNMENT 16
200 #define JPH_DVECTOR_ALIGNMENT 32
201 #ifdef __wasm_simd128__
202 #define JPH_USE_SSE
203 #define JPH_USE_SSE4_1
204 #define JPH_USE_SSE4_2
205 #endif
206#elif defined(__powerpc__) || defined(__powerpc64__)
207 // PowerPC CPU architecture
208 #define JPH_CPU_PPC
209 #if defined(__powerpc64__)
210 #define JPH_CPU_ADDRESS_BITS 64
211 #else
212 #define JPH_CPU_ADDRESS_BITS 32
213 #endif
214 #ifdef _BIG_ENDIAN
215 #define JPH_CPU_BIG_ENDIAN
216 #endif
217 #define JPH_VECTOR_ALIGNMENT 16
218 #define JPH_DVECTOR_ALIGNMENT 8
219#elif defined(__loongarch__)
220 // LoongArch CPU architecture
221 #define JPH_CPU_LOONGARCH
222 #if defined(__loongarch64)
223 #define JPH_CPU_ADDRESS_BITS 64
224 #else
225 #define JPH_CPU_ADDRESS_BITS 32
226 #endif
227 #define JPH_VECTOR_ALIGNMENT 16
228 #define JPH_DVECTOR_ALIGNMENT 8
229#elif defined(__e2k__)
230 // E2K CPU architecture (MCST Elbrus 2000)
231 #define JPH_CPU_E2K
232 #define JPH_CPU_ADDRESS_BITS 64
233 #define JPH_VECTOR_ALIGNMENT 16
234 #define JPH_DVECTOR_ALIGNMENT 32
235
236 // Compiler flags on e2k arch determine CPU features
237 #if defined(__SSE__) && !defined(JPH_USE_SSE)
238 #define JPH_USE_SSE
239 #endif
240#else
241 #error Unsupported CPU architecture
242#endif
243
244// If this define is set, Jolt is compiled as a shared library
245#ifdef JPH_SHARED_LIBRARY
246 #ifdef JPH_BUILD_SHARED_LIBRARY
247 // While building the shared library, we must export these symbols
248 #if defined(JPH_PLATFORM_WINDOWS) && !defined(JPH_COMPILER_MINGW)
249 #define JPH_EXPORT __declspec(dllexport)
250 #else
251 #define JPH_EXPORT __attribute__ ((visibility ("default")))
252 #if defined(JPH_COMPILER_GCC)
253 // Prevents an issue with GCC attribute parsing (see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69585)
254 #define JPH_EXPORT_GCC_BUG_WORKAROUND [[gnu::visibility("default")]]
255 #endif
256 #endif
257 #else
258 // When linking against Jolt, we must import these symbols
259 #if defined(JPH_PLATFORM_WINDOWS) && !defined(JPH_COMPILER_MINGW)
260 #define JPH_EXPORT __declspec(dllimport)
261 #else
262 #define JPH_EXPORT __attribute__ ((visibility ("default")))
263 #if defined(JPH_COMPILER_GCC)
264 // Prevents an issue with GCC attribute parsing (see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69585)
265 #define JPH_EXPORT_GCC_BUG_WORKAROUND [[gnu::visibility("default")]]
266 #endif
267 #endif
268 #endif
269#else
270 // If the define is not set, we use static linking and symbols don't need to be imported or exported
271 #define JPH_EXPORT
272#endif
273
274#ifndef JPH_EXPORT_GCC_BUG_WORKAROUND
275 #define JPH_EXPORT_GCC_BUG_WORKAROUND JPH_EXPORT
276#endif
277
278// Macro used by the RTTI macros to not export a function
279#define JPH_NO_EXPORT
280
281// Pragmas to store / restore the warning state and to disable individual warnings
282#ifdef JPH_COMPILER_CLANG
283#define JPH_PRAGMA(x) _Pragma(#x)
284#define JPH_SUPPRESS_WARNING_PUSH JPH_PRAGMA(clang diagnostic push)
285#define JPH_SUPPRESS_WARNING_POP JPH_PRAGMA(clang diagnostic pop)
286#define JPH_CLANG_SUPPRESS_WARNING(w) JPH_PRAGMA(clang diagnostic ignored w)
287#if __clang_major__ >= 13
288 #define JPH_CLANG_13_PLUS_SUPPRESS_WARNING(w) JPH_CLANG_SUPPRESS_WARNING(w)
289#else
290 #define JPH_CLANG_13_PLUS_SUPPRESS_WARNING(w)
291#endif
292#if __clang_major__ >= 16
293 #define JPH_CLANG_16_PLUS_SUPPRESS_WARNING(w) JPH_CLANG_SUPPRESS_WARNING(w)
294#else
295 #define JPH_CLANG_16_PLUS_SUPPRESS_WARNING(w)
296#endif
297#else
298#define JPH_CLANG_SUPPRESS_WARNING(w)
299#define JPH_CLANG_13_PLUS_SUPPRESS_WARNING(w)
300#define JPH_CLANG_16_PLUS_SUPPRESS_WARNING(w)
301#endif
302#ifdef JPH_COMPILER_GCC
303#define JPH_PRAGMA(x) _Pragma(#x)
304#define JPH_SUPPRESS_WARNING_PUSH JPH_PRAGMA(GCC diagnostic push)
305#define JPH_SUPPRESS_WARNING_POP JPH_PRAGMA(GCC diagnostic pop)
306#define JPH_GCC_SUPPRESS_WARNING(w) JPH_PRAGMA(GCC diagnostic ignored w)
307#else
308#define JPH_GCC_SUPPRESS_WARNING(w)
309#endif
310#ifdef JPH_COMPILER_MSVC
311#define JPH_PRAGMA(x) __pragma(x)
312#define JPH_SUPPRESS_WARNING_PUSH JPH_PRAGMA(warning (push))
313#define JPH_SUPPRESS_WARNING_POP JPH_PRAGMA(warning (pop))
314#define JPH_MSVC_SUPPRESS_WARNING(w) JPH_PRAGMA(warning (disable : w))
315#if _MSC_VER >= 1920 && _MSC_VER < 1930
316 #define JPH_MSVC2019_SUPPRESS_WARNING(w) JPH_MSVC_SUPPRESS_WARNING(w)
317#else
318 #define JPH_MSVC2019_SUPPRESS_WARNING(w)
319#endif
320#else
321#define JPH_MSVC_SUPPRESS_WARNING(w)
322#define JPH_MSVC2019_SUPPRESS_WARNING(w)
323#endif
324
325// Disable common warnings triggered by Jolt when compiling with -Wall
326#define JPH_SUPPRESS_WARNINGS \
327 JPH_CLANG_SUPPRESS_WARNING("-Wc++98-compat") \
328 JPH_CLANG_SUPPRESS_WARNING("-Wc++98-compat-pedantic") \
329 JPH_CLANG_SUPPRESS_WARNING("-Wfloat-equal") \
330 JPH_CLANG_SUPPRESS_WARNING("-Wsign-conversion") \
331 JPH_CLANG_SUPPRESS_WARNING("-Wold-style-cast") \
332 JPH_CLANG_SUPPRESS_WARNING("-Wgnu-anonymous-struct") \
333 JPH_CLANG_SUPPRESS_WARNING("-Wnested-anon-types") \
334 JPH_CLANG_SUPPRESS_WARNING("-Wglobal-constructors") \
335 JPH_CLANG_SUPPRESS_WARNING("-Wexit-time-destructors") \
336 JPH_CLANG_SUPPRESS_WARNING("-Wnonportable-system-include-path") \
337 JPH_CLANG_SUPPRESS_WARNING("-Wlanguage-extension-token") \
338 JPH_CLANG_SUPPRESS_WARNING("-Wunused-parameter") \
339 JPH_CLANG_SUPPRESS_WARNING("-Wformat-nonliteral") \
340 JPH_CLANG_SUPPRESS_WARNING("-Wcovered-switch-default") \
341 JPH_CLANG_SUPPRESS_WARNING("-Wcast-align") \
342 JPH_CLANG_SUPPRESS_WARNING("-Winvalid-offsetof") \
343 JPH_CLANG_SUPPRESS_WARNING("-Wgnu-zero-variadic-macro-arguments") \
344 JPH_CLANG_SUPPRESS_WARNING("-Wdocumentation-unknown-command") \
345 JPH_CLANG_SUPPRESS_WARNING("-Wctad-maybe-unsupported") \
346 JPH_CLANG_SUPPRESS_WARNING("-Wswitch-default") \
347 JPH_CLANG_13_PLUS_SUPPRESS_WARNING("-Wdeprecated-copy") \
348 JPH_CLANG_13_PLUS_SUPPRESS_WARNING("-Wdeprecated-copy-with-dtor") \
349 JPH_CLANG_16_PLUS_SUPPRESS_WARNING("-Wunsafe-buffer-usage") \
350 JPH_IF_NOT_ANDROID(JPH_CLANG_SUPPRESS_WARNING("-Wimplicit-int-float-conversion")) \
351 \
352 JPH_GCC_SUPPRESS_WARNING("-Wcomment") \
353 JPH_GCC_SUPPRESS_WARNING("-Winvalid-offsetof") \
354 JPH_GCC_SUPPRESS_WARNING("-Wclass-memaccess") \
355 JPH_GCC_SUPPRESS_WARNING("-Wpedantic") \
356 JPH_GCC_SUPPRESS_WARNING("-Wunused-parameter") \
357 JPH_GCC_SUPPRESS_WARNING("-Wmaybe-uninitialized") \
358 \
359 JPH_MSVC_SUPPRESS_WARNING(4619) /* #pragma warning: there is no warning number 'XXXX' */ \
360 JPH_MSVC_SUPPRESS_WARNING(4514) /* 'X' : unreferenced inline function has been removed */ \
361 JPH_MSVC_SUPPRESS_WARNING(4710) /* 'X' : function not inlined */ \
362 JPH_MSVC_SUPPRESS_WARNING(4711) /* function 'X' selected for automatic inline expansion */ \
363 JPH_MSVC_SUPPRESS_WARNING(4820) /* 'X': 'Y' bytes padding added after data member 'Z' */ \
364 JPH_MSVC_SUPPRESS_WARNING(4100) /* 'X' : unreferenced formal parameter */ \
365 JPH_MSVC_SUPPRESS_WARNING(4626) /* 'X' : assignment operator was implicitly defined as deleted because a base class assignment operator is inaccessible or deleted */ \
366 JPH_MSVC_SUPPRESS_WARNING(5027) /* 'X' : move assignment operator was implicitly defined as deleted because a base class move assignment operator is inaccessible or deleted */ \
367 JPH_MSVC_SUPPRESS_WARNING(4365) /* 'argument' : conversion from 'X' to 'Y', signed / unsigned mismatch */ \
368 JPH_MSVC_SUPPRESS_WARNING(4324) /* 'X' : structure was padded due to alignment specifier */ \
369 JPH_MSVC_SUPPRESS_WARNING(4625) /* 'X' : copy constructor was implicitly defined as deleted because a base class copy constructor is inaccessible or deleted */ \
370 JPH_MSVC_SUPPRESS_WARNING(5026) /* 'X': move constructor was implicitly defined as deleted because a base class move constructor is inaccessible or deleted */ \
371 JPH_MSVC_SUPPRESS_WARNING(4623) /* 'X' : default constructor was implicitly defined as deleted */ \
372 JPH_MSVC_SUPPRESS_WARNING(4201) /* nonstandard extension used: nameless struct/union */ \
373 JPH_MSVC_SUPPRESS_WARNING(4371) /* 'X': layout of class may have changed from a previous version of the compiler due to better packing of member 'Y' */ \
374 JPH_MSVC_SUPPRESS_WARNING(5045) /* Compiler will insert Spectre mitigation for memory load if /Qspectre switch specified */ \
375 JPH_MSVC_SUPPRESS_WARNING(4583) /* 'X': destructor is not implicitly called */ \
376 JPH_MSVC_SUPPRESS_WARNING(4582) /* 'X': constructor is not implicitly called */ \
377 JPH_MSVC_SUPPRESS_WARNING(5219) /* implicit conversion from 'X' to 'Y', possible loss of data */ \
378 JPH_MSVC_SUPPRESS_WARNING(4826) /* Conversion from 'X *' to 'JPH::uint64' is sign-extended. This may cause unexpected runtime behavior. (32-bit) */ \
379 JPH_MSVC_SUPPRESS_WARNING(5264) /* 'X': 'const' variable is not used */ \
380 JPH_MSVC_SUPPRESS_WARNING(4251) /* class 'X' needs to have DLL-interface to be used by clients of class 'Y' */ \
381 JPH_MSVC_SUPPRESS_WARNING(4738) /* storing 32-bit float result in memory, possible loss of performance */ \
382 JPH_MSVC2019_SUPPRESS_WARNING(5246) /* the initialization of a subobject should be wrapped in braces */
383
384// OS-specific includes
385#if defined(JPH_PLATFORM_WINDOWS)
386 #define JPH_BREAKPOINT __debugbreak()
387#elif defined(JPH_PLATFORM_BLUE)
388 // Configuration for a popular game console.
389 // This file is not distributed because it would violate an NDA.
390 // Creating one should only be a couple of minutes of work if you have the documentation for the platform
391 // (you only need to define JPH_BREAKPOINT, JPH_PLATFORM_BLUE_GET_TICKS, JPH_PLATFORM_BLUE_MUTEX*, JPH_PLATFORM_BLUE_RWLOCK* and include the right header).
392 #include <Jolt/Core/PlatformBlue.h>
393#elif defined(JPH_PLATFORM_LINUX) || defined(JPH_PLATFORM_ANDROID) || defined(JPH_PLATFORM_MACOS) || defined(JPH_PLATFORM_IOS) || defined(JPH_PLATFORM_FREEBSD)
394 #if defined(JPH_CPU_X86)
395 #define JPH_BREAKPOINT __asm volatile ("int $0x3")
396 #elif defined(JPH_CPU_ARM) || defined(JPH_CPU_RISCV) || defined(JPH_CPU_E2K) || defined(JPH_CPU_PPC) || defined(JPH_CPU_LOONGARCH)
397 #define JPH_BREAKPOINT __builtin_trap()
398 #else
399 #error Unknown CPU architecture
400 #endif
401#elif defined(JPH_PLATFORM_WASM)
402 #define JPH_BREAKPOINT do { } while (false) // Not supported
403#else
404 #error Unknown platform
405#endif
406
407// Begin the JPH namespace
408#define JPH_NAMESPACE_BEGIN \
409 JPH_SUPPRESS_WARNING_PUSH \
410 JPH_SUPPRESS_WARNINGS \
411 namespace JPH {
412
413// End the JPH namespace
414#define JPH_NAMESPACE_END \
415 } \
416 JPH_SUPPRESS_WARNING_POP
417
418// Suppress warnings generated by the standard template library
419#define JPH_SUPPRESS_WARNINGS_STD_BEGIN \
420 JPH_SUPPRESS_WARNING_PUSH \
421 JPH_MSVC_SUPPRESS_WARNING(4365) \
422 JPH_MSVC_SUPPRESS_WARNING(4619) \
423 JPH_MSVC_SUPPRESS_WARNING(4710) \
424 JPH_MSVC_SUPPRESS_WARNING(4711) \
425 JPH_MSVC_SUPPRESS_WARNING(4820) \
426 JPH_MSVC_SUPPRESS_WARNING(4514) \
427 JPH_MSVC_SUPPRESS_WARNING(5262) \
428 JPH_MSVC_SUPPRESS_WARNING(5264) \
429 JPH_MSVC_SUPPRESS_WARNING(4738)
430
431#define JPH_SUPPRESS_WARNINGS_STD_END \
432 JPH_SUPPRESS_WARNING_POP
433
434// Standard C++ includes
436#include <float.h>
437#include <limits.h>
438#include <string.h>
439#include <utility>
440#include <cmath>
441#include <sstream>
442#include <functional>
443#include <algorithm>
444#include <cstdint>
445#ifdef JPH_COMPILER_MSVC
446 #include <malloc.h> // for alloca
447#endif
448#if defined(JPH_USE_SSE)
449 #include <immintrin.h>
450#elif defined(JPH_USE_NEON)
451 #ifdef JPH_COMPILER_MSVC
452 #include <intrin.h>
453 #include <arm64_neon.h>
454 #else
455 #include <arm_neon.h>
456 #endif
457#endif
459
461
462// Commonly used STL types
463using std::min;
464using std::max;
465using std::abs;
466using std::sqrt;
467using std::ceil;
468using std::floor;
469using std::trunc;
470using std::round;
471using std::fmod;
472using std::string_view;
473using std::function;
474using std::numeric_limits;
475using std::isfinite;
476using std::isnan;
477using std::ostream;
478using std::istream;
479
480// Standard types
481using uint = unsigned int;
482using uint8 = std::uint8_t;
483using uint16 = std::uint16_t;
484using uint32 = std::uint32_t;
485using uint64 = std::uint64_t;
486
487// Assert sizes of types
488static_assert(sizeof(uint) >= 4, "Invalid size of uint");
489static_assert(sizeof(uint8) == 1, "Invalid size of uint8");
490static_assert(sizeof(uint16) == 2, "Invalid size of uint16");
491static_assert(sizeof(uint32) == 4, "Invalid size of uint32");
492static_assert(sizeof(uint64) == 8, "Invalid size of uint64");
493static_assert(sizeof(void *) == (JPH_CPU_ADDRESS_BITS == 64? 8 : 4), "Invalid size of pointer" );
494
495// Determine if we want extra debugging code to be active
496#if !defined(NDEBUG) && !defined(JPH_NO_DEBUG)
497 #define JPH_DEBUG
498#endif
499
500// Define inline macro
501#if defined(JPH_NO_FORCE_INLINE)
502 #define JPH_INLINE inline
503#elif defined(JPH_COMPILER_CLANG)
504 #define JPH_INLINE __inline__ __attribute__((always_inline))
505#elif defined(JPH_COMPILER_GCC)
506 // On gcc 14 using always_inline in debug mode causes error: "inlining failed in call to 'always_inline' 'XXX': function not considered for inlining"
507 // See: https://github.com/jrouwe/JoltPhysics/issues/1096
508 #if __GNUC__ >= 14 && defined(JPH_DEBUG)
509 #define JPH_INLINE inline
510 #else
511 #define JPH_INLINE __inline__ __attribute__((always_inline))
512 #endif
513#elif defined(JPH_COMPILER_MSVC)
514 #define JPH_INLINE __forceinline
515#else
516 #error Undefined
517#endif
518
519// Cache line size (used for aligning to cache line)
520#ifndef JPH_CACHE_LINE_SIZE
521 #define JPH_CACHE_LINE_SIZE 64
522#endif
523
524// Define macro to get current function name
525#if defined(JPH_COMPILER_CLANG) || defined(JPH_COMPILER_GCC)
526 #define JPH_FUNCTION_NAME __PRETTY_FUNCTION__
527#elif defined(JPH_COMPILER_MSVC)
528 #define JPH_FUNCTION_NAME __FUNCTION__
529#else
530 #error Undefined
531#endif
532
533// Stack allocation
534#define JPH_STACK_ALLOC(n) alloca(n)
535
536// Shorthand for #ifdef JPH_DEBUG / #endif
537#ifdef JPH_DEBUG
538 #define JPH_IF_DEBUG(...) __VA_ARGS__
539 #define JPH_IF_NOT_DEBUG(...)
540#else
541 #define JPH_IF_DEBUG(...)
542 #define JPH_IF_NOT_DEBUG(...) __VA_ARGS__
543#endif
544
545// Shorthand for #ifdef JPH_FLOATING_POINT_EXCEPTIONS_ENABLED / #endif
546#ifdef JPH_FLOATING_POINT_EXCEPTIONS_ENABLED
547 #define JPH_IF_FLOATING_POINT_EXCEPTIONS_ENABLED(...) __VA_ARGS__
548#else
549 #define JPH_IF_FLOATING_POINT_EXCEPTIONS_ENABLED(...)
550#endif
551
552// Helper macros to detect if we're running in single or double precision mode
553#ifdef JPH_DOUBLE_PRECISION
554 #define JPH_IF_SINGLE_PRECISION(...)
555 #define JPH_IF_SINGLE_PRECISION_ELSE(s, d) d
556 #define JPH_IF_DOUBLE_PRECISION(...) __VA_ARGS__
557#else
558 #define JPH_IF_SINGLE_PRECISION(...) __VA_ARGS__
559 #define JPH_IF_SINGLE_PRECISION_ELSE(s, d) s
560 #define JPH_IF_DOUBLE_PRECISION(...)
561#endif
562
563// Helper macro to detect if the debug renderer is active
564#ifdef JPH_DEBUG_RENDERER
565 #define JPH_IF_DEBUG_RENDERER(...) __VA_ARGS__
566 #define JPH_IF_NOT_DEBUG_RENDERER(...)
567#else
568 #define JPH_IF_DEBUG_RENDERER(...)
569 #define JPH_IF_NOT_DEBUG_RENDERER(...) __VA_ARGS__
570#endif
571
572// Macro to indicate that a parameter / variable is unused
573#define JPH_UNUSED(x) (void)x
574
575// Macro to enable floating point precise mode and to disable fused multiply add instructions
576#if defined(JPH_COMPILER_GCC) || defined(JPH_CROSS_PLATFORM_DETERMINISTIC)
577 // We compile without -ffast-math and -ffp-contract=fast, so we don't need to disable anything
578 #define JPH_PRECISE_MATH_ON
579 #define JPH_PRECISE_MATH_OFF
580#elif defined(JPH_COMPILER_CLANG)
581 // We compile without -ffast-math because pragma float_control(precise, on) doesn't seem to actually negate all of the -ffast-math effects and causes the unit tests to fail (even if the pragma is added to all files)
582 // On clang 14 and later we can turn off float contraction through a pragma (before it was buggy), so if FMA is on we can disable it through this macro
583 #if (defined(JPH_CPU_ARM) && !defined(JPH_PLATFORM_ANDROID) && __clang_major__ >= 16) || (defined(JPH_CPU_X86) && __clang_major__ >= 14)
584 #define JPH_PRECISE_MATH_ON \
585 _Pragma("float_control(precise, on, push)") \
586 _Pragma("clang fp contract(off)")
587 #define JPH_PRECISE_MATH_OFF \
588 _Pragma("float_control(pop)")
589 #elif __clang_major__ >= 14 && (defined(JPH_USE_FMADD) || defined(FP_FAST_FMA))
590 #define JPH_PRECISE_MATH_ON \
591 _Pragma("clang fp contract(off)")
592 #define JPH_PRECISE_MATH_OFF \
593 _Pragma("clang fp contract(on)")
594 #else
595 #define JPH_PRECISE_MATH_ON
596 #define JPH_PRECISE_MATH_OFF
597 #endif
598#elif defined(JPH_COMPILER_MSVC)
599 // Unfortunately there is no way to push the state of fp_contract, so we have to assume it was turned on before JPH_PRECISE_MATH_ON
600 #define JPH_PRECISE_MATH_ON \
601 __pragma(float_control(precise, on, push)) \
602 __pragma(fp_contract(off))
603 #define JPH_PRECISE_MATH_OFF \
604 __pragma(fp_contract(on)) \
605 __pragma(float_control(pop))
606#else
607 #error Undefined
608#endif
609
610// Check if Thread Sanitizer is enabled
611#ifdef __has_feature
612 #if __has_feature(thread_sanitizer)
613 #define JPH_TSAN_ENABLED
614 #endif
615#else
616 #ifdef __SANITIZE_THREAD__
617 #define JPH_TSAN_ENABLED
618 #endif
619#endif
620
621// Attribute to disable Thread Sanitizer for a particular function
622#ifdef JPH_TSAN_ENABLED
623 #define JPH_TSAN_NO_SANITIZE __attribute__((no_sanitize("thread")))
624#else
625 #define JPH_TSAN_NO_SANITIZE
626#endif
627
std::uint8_t uint8
Definition Core.h:482
#define JPH_SUPPRESS_WARNINGS_STD_BEGIN
Definition Core.h:419
#define JPH_SUPPRESS_WARNINGS_STD_END
Definition Core.h:431
std::uint64_t uint64
Definition Core.h:485
unsigned int uint
Definition Core.h:481
#define JPH_NAMESPACE_END
Definition Core.h:414
std::uint32_t uint32
Definition Core.h:484
#define JPH_NAMESPACE_BEGIN
Definition Core.h:408
std::uint16_t uint16
Definition Core.h:483