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__) || defined(__OpenBSD__) || defined(__NetBSD__)
87 #define JPH_PLATFORM_BSD
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 #if defined(__wasm64__)
199 #define JPH_CPU_ADDRESS_BITS 64
200 #else
201 #define JPH_CPU_ADDRESS_BITS 32
202 #endif
203 #define JPH_VECTOR_ALIGNMENT 16
204 #define JPH_DVECTOR_ALIGNMENT 32
205 #ifdef __wasm_simd128__
206 #define JPH_USE_SSE
207 #define JPH_USE_SSE4_1
208 #define JPH_USE_SSE4_2
209 #endif
210#elif defined(__powerpc__) || defined(__powerpc64__)
211 // PowerPC CPU architecture
212 #define JPH_CPU_PPC
213 #if defined(__powerpc64__)
214 #define JPH_CPU_ADDRESS_BITS 64
215 #else
216 #define JPH_CPU_ADDRESS_BITS 32
217 #endif
218 #ifdef _BIG_ENDIAN
219 #define JPH_CPU_BIG_ENDIAN
220 #endif
221 #define JPH_VECTOR_ALIGNMENT 16
222 #define JPH_DVECTOR_ALIGNMENT 8
223#elif defined(__loongarch__)
224 // LoongArch CPU architecture
225 #define JPH_CPU_LOONGARCH
226 #if defined(__loongarch64)
227 #define JPH_CPU_ADDRESS_BITS 64
228 #else
229 #define JPH_CPU_ADDRESS_BITS 32
230 #endif
231 #define JPH_VECTOR_ALIGNMENT 16
232 #define JPH_DVECTOR_ALIGNMENT 8
233#elif defined(__e2k__)
234 // E2K CPU architecture (MCST Elbrus 2000)
235 #define JPH_CPU_E2K
236 #define JPH_CPU_ADDRESS_BITS 64
237 #define JPH_VECTOR_ALIGNMENT 16
238 #define JPH_DVECTOR_ALIGNMENT 32
239
240 // Compiler flags on e2k arch determine CPU features
241 #if defined(__SSE__) && !defined(JPH_USE_SSE)
242 #define JPH_USE_SSE
243 #endif
244#else
245 #error Unsupported CPU architecture
246#endif
247
248// If this define is set, Jolt is compiled as a shared library
249#ifdef JPH_SHARED_LIBRARY
250 #ifdef JPH_BUILD_SHARED_LIBRARY
251 // While building the shared library, we must export these symbols
252 #if defined(JPH_PLATFORM_WINDOWS) && !defined(JPH_COMPILER_MINGW)
253 #define JPH_EXPORT __declspec(dllexport)
254 #else
255 #define JPH_EXPORT __attribute__ ((visibility ("default")))
256 #if defined(JPH_COMPILER_GCC)
257 // Prevents an issue with GCC attribute parsing (see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69585)
258 #define JPH_EXPORT_GCC_BUG_WORKAROUND [[gnu::visibility("default")]]
259 #endif
260 #endif
261 #else
262 // When linking against Jolt, we must import these symbols
263 #if defined(JPH_PLATFORM_WINDOWS) && !defined(JPH_COMPILER_MINGW)
264 #define JPH_EXPORT __declspec(dllimport)
265 #else
266 #define JPH_EXPORT __attribute__ ((visibility ("default")))
267 #if defined(JPH_COMPILER_GCC)
268 // Prevents an issue with GCC attribute parsing (see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69585)
269 #define JPH_EXPORT_GCC_BUG_WORKAROUND [[gnu::visibility("default")]]
270 #endif
271 #endif
272 #endif
273#else
274 // If the define is not set, we use static linking and symbols don't need to be imported or exported
275 #define JPH_EXPORT
276#endif
277
278#ifndef JPH_EXPORT_GCC_BUG_WORKAROUND
279 #define JPH_EXPORT_GCC_BUG_WORKAROUND JPH_EXPORT
280#endif
281
282// Macro used by the RTTI macros to not export a function
283#define JPH_NO_EXPORT
284
285// Pragmas to store / restore the warning state and to disable individual warnings
286#ifdef JPH_COMPILER_CLANG
287#define JPH_PRAGMA(x) _Pragma(#x)
288#define JPH_SUPPRESS_WARNING_PUSH JPH_PRAGMA(clang diagnostic push)
289#define JPH_SUPPRESS_WARNING_POP JPH_PRAGMA(clang diagnostic pop)
290#define JPH_CLANG_SUPPRESS_WARNING(w) JPH_PRAGMA(clang diagnostic ignored w)
291#if __clang_major__ >= 13
292 #define JPH_CLANG_13_PLUS_SUPPRESS_WARNING(w) JPH_CLANG_SUPPRESS_WARNING(w)
293#else
294 #define JPH_CLANG_13_PLUS_SUPPRESS_WARNING(w)
295#endif
296#if __clang_major__ >= 16
297 #define JPH_CLANG_16_PLUS_SUPPRESS_WARNING(w) JPH_CLANG_SUPPRESS_WARNING(w)
298#else
299 #define JPH_CLANG_16_PLUS_SUPPRESS_WARNING(w)
300#endif
301#else
302#define JPH_CLANG_SUPPRESS_WARNING(w)
303#define JPH_CLANG_13_PLUS_SUPPRESS_WARNING(w)
304#define JPH_CLANG_16_PLUS_SUPPRESS_WARNING(w)
305#endif
306#ifdef JPH_COMPILER_GCC
307#define JPH_PRAGMA(x) _Pragma(#x)
308#define JPH_SUPPRESS_WARNING_PUSH JPH_PRAGMA(GCC diagnostic push)
309#define JPH_SUPPRESS_WARNING_POP JPH_PRAGMA(GCC diagnostic pop)
310#define JPH_GCC_SUPPRESS_WARNING(w) JPH_PRAGMA(GCC diagnostic ignored w)
311#else
312#define JPH_GCC_SUPPRESS_WARNING(w)
313#endif
314#ifdef JPH_COMPILER_MSVC
315#define JPH_PRAGMA(x) __pragma(x)
316#define JPH_SUPPRESS_WARNING_PUSH JPH_PRAGMA(warning (push))
317#define JPH_SUPPRESS_WARNING_POP JPH_PRAGMA(warning (pop))
318#define JPH_MSVC_SUPPRESS_WARNING(w) JPH_PRAGMA(warning (disable : w))
319#if _MSC_VER >= 1920 && _MSC_VER < 1930
320 #define JPH_MSVC2019_SUPPRESS_WARNING(w) JPH_MSVC_SUPPRESS_WARNING(w)
321#else
322 #define JPH_MSVC2019_SUPPRESS_WARNING(w)
323#endif
324#else
325#define JPH_MSVC_SUPPRESS_WARNING(w)
326#define JPH_MSVC2019_SUPPRESS_WARNING(w)
327#endif
328
329// Disable common warnings triggered by Jolt when compiling with -Wall
330#define JPH_SUPPRESS_WARNINGS \
331 JPH_CLANG_SUPPRESS_WARNING("-Wc++98-compat") \
332 JPH_CLANG_SUPPRESS_WARNING("-Wc++98-compat-pedantic") \
333 JPH_CLANG_SUPPRESS_WARNING("-Wfloat-equal") \
334 JPH_CLANG_SUPPRESS_WARNING("-Wsign-conversion") \
335 JPH_CLANG_SUPPRESS_WARNING("-Wold-style-cast") \
336 JPH_CLANG_SUPPRESS_WARNING("-Wgnu-anonymous-struct") \
337 JPH_CLANG_SUPPRESS_WARNING("-Wnested-anon-types") \
338 JPH_CLANG_SUPPRESS_WARNING("-Wglobal-constructors") \
339 JPH_CLANG_SUPPRESS_WARNING("-Wexit-time-destructors") \
340 JPH_CLANG_SUPPRESS_WARNING("-Wnonportable-system-include-path") \
341 JPH_CLANG_SUPPRESS_WARNING("-Wlanguage-extension-token") \
342 JPH_CLANG_SUPPRESS_WARNING("-Wunused-parameter") \
343 JPH_CLANG_SUPPRESS_WARNING("-Wformat-nonliteral") \
344 JPH_CLANG_SUPPRESS_WARNING("-Wcovered-switch-default") \
345 JPH_CLANG_SUPPRESS_WARNING("-Wcast-align") \
346 JPH_CLANG_SUPPRESS_WARNING("-Winvalid-offsetof") \
347 JPH_CLANG_SUPPRESS_WARNING("-Wgnu-zero-variadic-macro-arguments") \
348 JPH_CLANG_SUPPRESS_WARNING("-Wdocumentation-unknown-command") \
349 JPH_CLANG_SUPPRESS_WARNING("-Wctad-maybe-unsupported") \
350 JPH_CLANG_SUPPRESS_WARNING("-Wswitch-default") \
351 JPH_CLANG_13_PLUS_SUPPRESS_WARNING("-Wdeprecated-copy") \
352 JPH_CLANG_13_PLUS_SUPPRESS_WARNING("-Wdeprecated-copy-with-dtor") \
353 JPH_CLANG_16_PLUS_SUPPRESS_WARNING("-Wunsafe-buffer-usage") \
354 JPH_IF_NOT_ANDROID(JPH_CLANG_SUPPRESS_WARNING("-Wimplicit-int-float-conversion")) \
355 \
356 JPH_GCC_SUPPRESS_WARNING("-Wcomment") \
357 JPH_GCC_SUPPRESS_WARNING("-Winvalid-offsetof") \
358 JPH_GCC_SUPPRESS_WARNING("-Wclass-memaccess") \
359 JPH_GCC_SUPPRESS_WARNING("-Wpedantic") \
360 JPH_GCC_SUPPRESS_WARNING("-Wunused-parameter") \
361 JPH_GCC_SUPPRESS_WARNING("-Wmaybe-uninitialized") \
362 \
363 JPH_MSVC_SUPPRESS_WARNING(4619) /* #pragma warning: there is no warning number 'XXXX' */ \
364 JPH_MSVC_SUPPRESS_WARNING(4514) /* 'X' : unreferenced inline function has been removed */ \
365 JPH_MSVC_SUPPRESS_WARNING(4710) /* 'X' : function not inlined */ \
366 JPH_MSVC_SUPPRESS_WARNING(4711) /* function 'X' selected for automatic inline expansion */ \
367 JPH_MSVC_SUPPRESS_WARNING(4820) /* 'X': 'Y' bytes padding added after data member 'Z' */ \
368 JPH_MSVC_SUPPRESS_WARNING(4100) /* 'X' : unreferenced formal parameter */ \
369 JPH_MSVC_SUPPRESS_WARNING(4626) /* 'X' : assignment operator was implicitly defined as deleted because a base class assignment operator is inaccessible or deleted */ \
370 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 */ \
371 JPH_MSVC_SUPPRESS_WARNING(4365) /* 'argument' : conversion from 'X' to 'Y', signed / unsigned mismatch */ \
372 JPH_MSVC_SUPPRESS_WARNING(4324) /* 'X' : structure was padded due to alignment specifier */ \
373 JPH_MSVC_SUPPRESS_WARNING(4625) /* 'X' : copy constructor was implicitly defined as deleted because a base class copy constructor is inaccessible or deleted */ \
374 JPH_MSVC_SUPPRESS_WARNING(5026) /* 'X': move constructor was implicitly defined as deleted because a base class move constructor is inaccessible or deleted */ \
375 JPH_MSVC_SUPPRESS_WARNING(4623) /* 'X' : default constructor was implicitly defined as deleted */ \
376 JPH_MSVC_SUPPRESS_WARNING(4201) /* nonstandard extension used: nameless struct/union */ \
377 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' */ \
378 JPH_MSVC_SUPPRESS_WARNING(5045) /* Compiler will insert Spectre mitigation for memory load if /Qspectre switch specified */ \
379 JPH_MSVC_SUPPRESS_WARNING(4583) /* 'X': destructor is not implicitly called */ \
380 JPH_MSVC_SUPPRESS_WARNING(4582) /* 'X': constructor is not implicitly called */ \
381 JPH_MSVC_SUPPRESS_WARNING(5219) /* implicit conversion from 'X' to 'Y', possible loss of data */ \
382 JPH_MSVC_SUPPRESS_WARNING(4826) /* Conversion from 'X *' to 'JPH::uint64' is sign-extended. This may cause unexpected runtime behavior. (32-bit) */ \
383 JPH_MSVC_SUPPRESS_WARNING(5264) /* 'X': 'const' variable is not used */ \
384 JPH_MSVC_SUPPRESS_WARNING(4251) /* class 'X' needs to have DLL-interface to be used by clients of class 'Y' */ \
385 JPH_MSVC_SUPPRESS_WARNING(4738) /* storing 32-bit float result in memory, possible loss of performance */ \
386 JPH_MSVC2019_SUPPRESS_WARNING(5246) /* the initialization of a subobject should be wrapped in braces */
387
388// OS-specific includes
389#if defined(JPH_PLATFORM_WINDOWS)
390 #define JPH_BREAKPOINT __debugbreak()
391#elif defined(JPH_PLATFORM_BLUE)
392 // Configuration for a popular game console.
393 // This file is not distributed because it would violate an NDA.
394 // Creating one should only be a couple of minutes of work if you have the documentation for the platform
395 // (you only need to define JPH_BREAKPOINT, JPH_PLATFORM_BLUE_GET_TICKS, JPH_PLATFORM_BLUE_MUTEX*, JPH_PLATFORM_BLUE_RWLOCK*, JPH_PLATFORM_BLUE_SEMAPHORE* and include the right header).
396 #include <Jolt/Core/PlatformBlue.h>
397#elif defined(JPH_PLATFORM_LINUX) || defined(JPH_PLATFORM_ANDROID) || defined(JPH_PLATFORM_MACOS) || defined(JPH_PLATFORM_IOS) || defined(JPH_PLATFORM_BSD)
398 #if defined(JPH_CPU_X86)
399 #define JPH_BREAKPOINT __asm volatile ("int $0x3")
400 #elif defined(JPH_CPU_ARM) || defined(JPH_CPU_RISCV) || defined(JPH_CPU_E2K) || defined(JPH_CPU_PPC) || defined(JPH_CPU_LOONGARCH)
401 #define JPH_BREAKPOINT __builtin_trap()
402 #else
403 #error Unknown CPU architecture
404 #endif
405#elif defined(JPH_PLATFORM_WASM)
406 #define JPH_BREAKPOINT do { } while (false) // Not supported
407#else
408 #error Unknown platform
409#endif
410
411// Begin the JPH namespace
412#define JPH_NAMESPACE_BEGIN \
413 JPH_SUPPRESS_WARNING_PUSH \
414 JPH_SUPPRESS_WARNINGS \
415 namespace JPH {
416
417// End the JPH namespace
418#define JPH_NAMESPACE_END \
419 } \
420 JPH_SUPPRESS_WARNING_POP
421
422// Suppress warnings generated by the standard template library
423#define JPH_SUPPRESS_WARNINGS_STD_BEGIN \
424 JPH_SUPPRESS_WARNING_PUSH \
425 JPH_MSVC_SUPPRESS_WARNING(4365) \
426 JPH_MSVC_SUPPRESS_WARNING(4619) \
427 JPH_MSVC_SUPPRESS_WARNING(4710) \
428 JPH_MSVC_SUPPRESS_WARNING(4711) \
429 JPH_MSVC_SUPPRESS_WARNING(4820) \
430 JPH_MSVC_SUPPRESS_WARNING(4514) \
431 JPH_MSVC_SUPPRESS_WARNING(5262) \
432 JPH_MSVC_SUPPRESS_WARNING(5264) \
433 JPH_MSVC_SUPPRESS_WARNING(4738)
434
435#define JPH_SUPPRESS_WARNINGS_STD_END \
436 JPH_SUPPRESS_WARNING_POP
437
438// Standard C++ includes
440#include <float.h>
441#include <limits.h>
442#include <string.h>
443#include <utility>
444#include <cmath>
445#include <sstream>
446#include <functional>
447#include <algorithm>
448#include <cstdint>
449#ifdef JPH_COMPILER_MSVC
450 #include <malloc.h> // for alloca
451#endif
452#if defined(JPH_USE_SSE)
453 #include <immintrin.h>
454#elif defined(JPH_USE_NEON)
455 #ifdef JPH_COMPILER_MSVC
456 #include <intrin.h>
457 #include <arm64_neon.h>
458 #else
459 #include <arm_neon.h>
460 #endif
461#endif
463
465
466// Commonly used STL types
467using std::min;
468using std::max;
469using std::abs;
470using std::sqrt;
471using std::ceil;
472using std::floor;
473using std::trunc;
474using std::round;
475using std::fmod;
476using std::string_view;
477using std::function;
478using std::numeric_limits;
479using std::isfinite;
480using std::isnan;
481using std::ostream;
482using std::istream;
483
484// Standard types
485using uint = unsigned int;
486using uint8 = std::uint8_t;
487using uint16 = std::uint16_t;
488using uint32 = std::uint32_t;
489using uint64 = std::uint64_t;
490
491// Assert sizes of types
492static_assert(sizeof(uint) >= 4, "Invalid size of uint");
493static_assert(sizeof(uint8) == 1, "Invalid size of uint8");
494static_assert(sizeof(uint16) == 2, "Invalid size of uint16");
495static_assert(sizeof(uint32) == 4, "Invalid size of uint32");
496static_assert(sizeof(uint64) == 8, "Invalid size of uint64");
497static_assert(sizeof(void *) == (JPH_CPU_ADDRESS_BITS == 64? 8 : 4), "Invalid size of pointer" );
498
499// Determine if we want extra debugging code to be active
500#if !defined(NDEBUG) && !defined(JPH_NO_DEBUG)
501 #define JPH_DEBUG
502#endif
503
504// Define inline macro
505#if defined(JPH_NO_FORCE_INLINE)
506 #define JPH_INLINE inline
507#elif defined(JPH_COMPILER_CLANG)
508 #define JPH_INLINE __inline__ __attribute__((always_inline))
509#elif defined(JPH_COMPILER_GCC)
510 // On gcc 14 using always_inline in debug mode causes error: "inlining failed in call to 'always_inline' 'XXX': function not considered for inlining"
511 // See: https://github.com/jrouwe/JoltPhysics/issues/1096
512 #if __GNUC__ >= 14 && defined(JPH_DEBUG)
513 #define JPH_INLINE inline
514 #else
515 #define JPH_INLINE __inline__ __attribute__((always_inline))
516 #endif
517#elif defined(JPH_COMPILER_MSVC)
518 #define JPH_INLINE __forceinline
519#else
520 #error Undefined
521#endif
522
523// Cache line size (used for aligning to cache line)
524#ifndef JPH_CACHE_LINE_SIZE
525 #define JPH_CACHE_LINE_SIZE 64
526#endif
527
528// Define macro to get current function name
529#if defined(JPH_COMPILER_CLANG) || defined(JPH_COMPILER_GCC)
530 #define JPH_FUNCTION_NAME __PRETTY_FUNCTION__
531#elif defined(JPH_COMPILER_MSVC)
532 #define JPH_FUNCTION_NAME __FUNCTION__
533#else
534 #error Undefined
535#endif
536
537// Stack allocation
538#define JPH_STACK_ALLOC(n) alloca(n)
539
540// Shorthand for #ifdef JPH_DEBUG / #endif
541#ifdef JPH_DEBUG
542 #define JPH_IF_DEBUG(...) __VA_ARGS__
543 #define JPH_IF_NOT_DEBUG(...)
544#else
545 #define JPH_IF_DEBUG(...)
546 #define JPH_IF_NOT_DEBUG(...) __VA_ARGS__
547#endif
548
549// Shorthand for #ifdef JPH_FLOATING_POINT_EXCEPTIONS_ENABLED / #endif
550#ifdef JPH_FLOATING_POINT_EXCEPTIONS_ENABLED
551 #define JPH_IF_FLOATING_POINT_EXCEPTIONS_ENABLED(...) __VA_ARGS__
552#else
553 #define JPH_IF_FLOATING_POINT_EXCEPTIONS_ENABLED(...)
554#endif
555
556// Helper macros to detect if we're running in single or double precision mode
557#ifdef JPH_DOUBLE_PRECISION
558 #define JPH_IF_SINGLE_PRECISION(...)
559 #define JPH_IF_SINGLE_PRECISION_ELSE(s, d) d
560 #define JPH_IF_DOUBLE_PRECISION(...) __VA_ARGS__
561#else
562 #define JPH_IF_SINGLE_PRECISION(...) __VA_ARGS__
563 #define JPH_IF_SINGLE_PRECISION_ELSE(s, d) s
564 #define JPH_IF_DOUBLE_PRECISION(...)
565#endif
566
567// Helper macro to detect if the debug renderer is active
568#ifdef JPH_DEBUG_RENDERER
569 #define JPH_IF_DEBUG_RENDERER(...) __VA_ARGS__
570 #define JPH_IF_NOT_DEBUG_RENDERER(...)
571#else
572 #define JPH_IF_DEBUG_RENDERER(...)
573 #define JPH_IF_NOT_DEBUG_RENDERER(...) __VA_ARGS__
574#endif
575
576// Macro to indicate that a parameter / variable is unused
577#define JPH_UNUSED(x) (void)x
578
579// Macro to enable floating point precise mode and to disable fused multiply add instructions
580#if defined(JPH_COMPILER_GCC) || defined(JPH_CROSS_PLATFORM_DETERMINISTIC)
581 // We compile without -ffast-math and -ffp-contract=fast, so we don't need to disable anything
582 #define JPH_PRECISE_MATH_ON
583 #define JPH_PRECISE_MATH_OFF
584#elif defined(JPH_COMPILER_CLANG)
585 // 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)
586 // 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
587 #if (defined(JPH_CPU_ARM) && !defined(JPH_PLATFORM_ANDROID) && __clang_major__ >= 16) || (defined(JPH_CPU_X86) && __clang_major__ >= 14)
588 #define JPH_PRECISE_MATH_ON \
589 _Pragma("float_control(precise, on, push)") \
590 _Pragma("clang fp contract(off)")
591 #define JPH_PRECISE_MATH_OFF \
592 _Pragma("float_control(pop)")
593 #elif __clang_major__ >= 14 && (defined(JPH_USE_FMADD) || defined(FP_FAST_FMA))
594 #define JPH_PRECISE_MATH_ON \
595 _Pragma("clang fp contract(off)")
596 #define JPH_PRECISE_MATH_OFF \
597 _Pragma("clang fp contract(on)")
598 #else
599 #define JPH_PRECISE_MATH_ON
600 #define JPH_PRECISE_MATH_OFF
601 #endif
602#elif defined(JPH_COMPILER_MSVC)
603 // 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
604 #define JPH_PRECISE_MATH_ON \
605 __pragma(float_control(precise, on, push)) \
606 __pragma(fp_contract(off))
607 #define JPH_PRECISE_MATH_OFF \
608 __pragma(fp_contract(on)) \
609 __pragma(float_control(pop))
610#else
611 #error Undefined
612#endif
613
614// Check if Thread Sanitizer is enabled
615#ifdef __has_feature
616 #if __has_feature(thread_sanitizer)
617 #define JPH_TSAN_ENABLED
618 #endif
619#else
620 #ifdef __SANITIZE_THREAD__
621 #define JPH_TSAN_ENABLED
622 #endif
623#endif
624
625// Attribute to disable Thread Sanitizer for a particular function
626#ifdef JPH_TSAN_ENABLED
627 #define JPH_TSAN_NO_SANITIZE __attribute__((no_sanitize("thread")))
628#else
629 #define JPH_TSAN_NO_SANITIZE
630#endif
631
std::uint8_t uint8
Definition Core.h:486
#define JPH_SUPPRESS_WARNINGS_STD_BEGIN
Definition Core.h:423
#define JPH_SUPPRESS_WARNINGS_STD_END
Definition Core.h:435
std::uint64_t uint64
Definition Core.h:489
unsigned int uint
Definition Core.h:485
#define JPH_NAMESPACE_END
Definition Core.h:418
std::uint32_t uint32
Definition Core.h:488
#define JPH_NAMESPACE_BEGIN
Definition Core.h:412
std::uint16_t uint16
Definition Core.h:487