1// Copyright 2009-2021 Intel Corporation
2// SPDX-License-Identifier: Apache-2.0
3
4#pragma once
5
6#define _CRT_SECURE_NO_WARNINGS
7
8#include <cstddef>
9#include <cassert>
10#include <cstdlib>
11#include <cstdio>
12#include <memory>
13#include <stdexcept>
14#include <iostream>
15#include <iomanip>
16#include <fstream>
17#include <string>
18#include <cstring>
19#include <stdint.h>
20#include <functional>
21
22////////////////////////////////////////////////////////////////////////////////
23/// detect platform
24////////////////////////////////////////////////////////////////////////////////
25
26/* detect 32 or 64 Intel platform */
27#if defined(__x86_64__) || defined(__ia64__) || defined(_M_X64)
28#define __X86_64__
29#define __X86_ASM__
30#elif defined(__i386__) || defined(_M_IX86)
31#define __X86_ASM__
32#endif
33
34/* detect 64 bit platform */
35#if defined(__X86_64__) || defined(__aarch64__)
36#define __64BIT__
37#endif
38
39/* detect Linux platform */
40#if defined(linux) || defined(__linux__) || defined(__LINUX__)
41# if !defined(__LINUX__)
42# define __LINUX__
43# endif
44# if !defined(__UNIX__)
45# define __UNIX__
46# endif
47#endif
48
49/* detect FreeBSD platform */
50#if defined(__FreeBSD__) || defined(__FREEBSD__)
51# if !defined(__FREEBSD__)
52# define __FREEBSD__
53# endif
54# if !defined(__UNIX__)
55# define __UNIX__
56# endif
57#endif
58
59/* detect Windows 95/98/NT/2000/XP/Vista/7/8/10 platform */
60#if (defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__NT__)) && !defined(__CYGWIN__)
61# if !defined(__WIN32__)
62# define __WIN32__
63# endif
64#endif
65
66/* detect Cygwin platform */
67#if defined(__CYGWIN__)
68# if !defined(__UNIX__)
69# define __UNIX__
70# endif
71#endif
72
73/* detect MAC OS X platform */
74#if defined(__APPLE__) || defined(MACOSX) || defined(__MACOSX__)
75# if !defined(__MACOSX__)
76# define __MACOSX__
77# endif
78# if !defined(__UNIX__)
79# define __UNIX__
80# endif
81#endif
82
83/* try to detect other Unix systems */
84#if defined(__unix__) || defined (unix) || defined(__unix) || defined(_unix)
85# if !defined(__UNIX__)
86# define __UNIX__
87# endif
88#endif
89
90////////////////////////////////////////////////////////////////////////////////
91/// Macros
92////////////////////////////////////////////////////////////////////////////////
93
94#ifdef __WIN32__
95#define dll_export __declspec(dllexport)
96#define dll_import __declspec(dllimport)
97#else
98#define dll_export __attribute__ ((visibility ("default")))
99#define dll_import
100#endif
101
102#if defined(__WIN32__) && !defined(__MINGW32__)
103#if !defined(__noinline)
104#define __noinline __declspec(noinline)
105#endif
106//#define __forceinline __forceinline
107//#define __restrict __restrict
108#if defined(__INTEL_COMPILER)
109#define __restrict__ __restrict
110#else
111#define __restrict__ //__restrict // causes issues with MSVC
112#endif
113#if !defined(__thread)
114#define __thread __declspec(thread)
115#endif
116#if !defined(__aligned)
117#define __aligned(...) __declspec(align(__VA_ARGS__))
118#endif
119//#define __FUNCTION__ __FUNCTION__
120#define debugbreak() __debugbreak()
121
122#else
123#if !defined(__noinline)
124#define __noinline __attribute__((noinline))
125#endif
126#if !defined(__forceinline)
127#define __forceinline inline __attribute__((always_inline))
128#endif
129//#define __restrict __restrict
130//#define __thread __thread
131#if !defined(__aligned)
132#define __aligned(...) __attribute__((aligned(__VA_ARGS__)))
133#endif
134#if !defined(__FUNCTION__)
135#define __FUNCTION__ __PRETTY_FUNCTION__
136#endif
137#define debugbreak() asm ("int $3")
138#endif
139
140#if defined(__clang__) || defined(__GNUC__)
141 #define MAYBE_UNUSED __attribute__((unused))
142#else
143 #define MAYBE_UNUSED
144#endif
145
146#if defined(_MSC_VER) && (_MSC_VER < 1900) // before VS2015 deleted functions are not supported properly
147 #define DELETED
148#else
149 #define DELETED = delete
150#endif
151
152#if !defined(likely)
153#if defined(_MSC_VER) && !defined(__INTEL_COMPILER)
154#define likely(expr) (expr)
155#define unlikely(expr) (expr)
156#else
157#define likely(expr) __builtin_expect((bool)(expr),true )
158#define unlikely(expr) __builtin_expect((bool)(expr),false)
159#endif
160#endif
161
162////////////////////////////////////////////////////////////////////////////////
163/// Error handling and debugging
164////////////////////////////////////////////////////////////////////////////////
165
166/* debug printing macros */
167#define STRING(x) #x
168#define TOSTRING(x) STRING(x)
169#define PING embree_cout << __FILE__ << " (" << __LINE__ << "): " << __FUNCTION__ << embree_endl
170#define PRINT(x) embree_cout << STRING(x) << " = " << (x) << embree_endl
171#define PRINT2(x,y) embree_cout << STRING(x) << " = " << (x) << ", " << STRING(y) << " = " << (y) << embree_endl
172#define PRINT3(x,y,z) embree_cout << STRING(x) << " = " << (x) << ", " << STRING(y) << " = " << (y) << ", " << STRING(z) << " = " << (z) << embree_endl
173#define PRINT4(x,y,z,w) embree_cout << STRING(x) << " = " << (x) << ", " << STRING(y) << " = " << (y) << ", " << STRING(z) << " = " << (z) << ", " << STRING(w) << " = " << (w) << embree_endl
174
175#if defined(DEBUG) // only report file and line in debug mode
176 #define THROW_RUNTIME_ERROR(str) \
177 throw std::runtime_error(std::string(__FILE__) + " (" + toString(__LINE__) + "): " + std::string(str));
178#else
179 #define THROW_RUNTIME_ERROR(str) \
180 throw std::runtime_error(str);
181#endif
182
183#define FATAL(x) THROW_RUNTIME_ERROR(x)
184#define WARNING(x) { std::cerr << "Warning: " << x << embree_endl << std::flush; }
185
186#define NOT_IMPLEMENTED FATAL(std::string(__FUNCTION__) + " not implemented")
187
188////////////////////////////////////////////////////////////////////////////////
189/// Basic types
190////////////////////////////////////////////////////////////////////////////////
191
192/* default floating-point type */
193namespace embree {
194 typedef float real;
195}
196
197/* windows does not have ssize_t */
198#if defined(__WIN32__)
199#if defined(__64BIT__)
200typedef int64_t ssize_t;
201#else
202typedef int32_t ssize_t;
203#endif
204#endif
205
206////////////////////////////////////////////////////////////////////////////////
207/// Basic utility functions
208////////////////////////////////////////////////////////////////////////////////
209
210__forceinline std::string toString(long long value) {
211 return std::to_string(val: value);
212}
213
214////////////////////////////////////////////////////////////////////////////////
215/// Disable some compiler warnings
216////////////////////////////////////////////////////////////////////////////////
217
218#if defined(__INTEL_COMPILER)
219//#pragma warning(disable:265 ) // floating-point operation result is out of range
220//#pragma warning(disable:383 ) // value copied to temporary, reference to temporary used
221//#pragma warning(disable:869 ) // parameter was never referenced
222//#pragma warning(disable:981 ) // operands are evaluated in unspecified order
223//#pragma warning(disable:1418) // external function definition with no prior declaration
224//#pragma warning(disable:1419) // external declaration in primary source file
225//#pragma warning(disable:1572) // floating-point equality and inequality comparisons are unreliable
226//#pragma warning(disable:94 ) // the size of an array must be greater than zero
227//#pragma warning(disable:1599) // declaration hides parameter
228//#pragma warning(disable:424 ) // extra ";" ignored
229#pragma warning(disable:2196) // routine is both "inline" and "noinline"
230//#pragma warning(disable:177 ) // label was declared but never referenced
231//#pragma warning(disable:114 ) // function was referenced but not defined
232//#pragma warning(disable:819 ) // template nesting depth does not match the previous declaration of function
233#pragma warning(disable:15335) // was not vectorized: vectorization possible but seems inefficient
234#endif
235
236#if defined(_MSC_VER)
237//#pragma warning(disable:4200) // nonstandard extension used : zero-sized array in struct/union
238#pragma warning(disable:4800) // forcing value to bool 'true' or 'false' (performance warning)
239//#pragma warning(disable:4267) // '=' : conversion from 'size_t' to 'unsigned long', possible loss of data
240#pragma warning(disable:4244) // 'argument' : conversion from 'ssize_t' to 'unsigned int', possible loss of data
241//#pragma warning(disable:4355) // 'this' : used in base member initializer list
242//#pragma warning(disable:391 ) // '<=' : signed / unsigned mismatch
243//#pragma warning(disable:4018) // '<' : signed / unsigned mismatch
244//#pragma warning(disable:4305) // 'initializing' : truncation from 'double' to 'float'
245//#pragma warning(disable:4068) // unknown pragma
246//#pragma warning(disable:4146) // unary minus operator applied to unsigned type, result still unsigned
247//#pragma warning(disable:4838) // conversion from 'unsigned int' to 'const int' requires a narrowing conversion)
248//#pragma warning(disable:4227) // anachronism used : qualifiers on reference are ignored
249#pragma warning(disable:4503) // decorated name length exceeded, name was truncated
250#pragma warning(disable:4180) // qualifier applied to function type has no meaning; ignored
251#pragma warning(disable:4258) // definition from the for loop is ignored; the definition from the enclosing scope is used
252
253# if _MSC_VER < 1910 // prior to Visual studio 2017 (V141)
254# pragma warning(disable:4101) // warning C4101: 'x': unreferenced local variable // a compiler bug issues wrong warnings
255# pragma warning(disable:4789) // buffer '' of size 8 bytes will be overrun; 32 bytes will be written starting at offset 0
256# endif
257
258#endif
259
260#if defined(__clang__) && !defined(__INTEL_COMPILER)
261//#pragma clang diagnostic ignored "-Wunknown-pragmas"
262//#pragma clang diagnostic ignored "-Wunused-variable"
263//#pragma clang diagnostic ignored "-Wreorder"
264//#pragma clang diagnostic ignored "-Wmicrosoft"
265//#pragma clang diagnostic ignored "-Wunused-private-field"
266//#pragma clang diagnostic ignored "-Wunused-local-typedef"
267//#pragma clang diagnostic ignored "-Wunused-function"
268//#pragma clang diagnostic ignored "-Wnarrowing"
269//#pragma clang diagnostic ignored "-Wc++11-narrowing"
270//#pragma clang diagnostic ignored "-Wdeprecated-register"
271//#pragma clang diagnostic ignored "-Wdeprecated-declarations"
272#endif
273
274#if defined(__GNUC__) && !defined(__INTEL_COMPILER) && !defined(__clang__)
275#pragma GCC diagnostic ignored "-Wpragmas"
276//#pragma GCC diagnostic ignored "-Wnarrowing"
277#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
278//#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
279//#pragma GCC diagnostic ignored "-Warray-bounds"
280#pragma GCC diagnostic ignored "-Wattributes"
281#pragma GCC diagnostic ignored "-Wmisleading-indentation"
282#pragma GCC diagnostic ignored "-Wsign-compare"
283#pragma GCC diagnostic ignored "-Wparentheses"
284#endif
285
286#if defined(__clang__) && defined(__WIN32__)
287#pragma clang diagnostic ignored "-Wunused-parameter"
288#pragma clang diagnostic ignored "-Wmicrosoft-cast"
289#pragma clang diagnostic ignored "-Wmicrosoft-enum-value"
290#pragma clang diagnostic ignored "-Wmicrosoft-include"
291#pragma clang diagnostic ignored "-Wunused-function"
292#pragma clang diagnostic ignored "-Wunknown-pragmas"
293#endif
294
295/* disabling deprecated warning, please use only where use of deprecated Embree API functions is desired */
296#if defined(__WIN32__) && defined(__INTEL_COMPILER)
297#define DISABLE_DEPRECATED_WARNING __pragma(warning (disable: 1478)) // warning: function was declared deprecated
298#define ENABLE_DEPRECATED_WARNING __pragma(warning (enable: 1478)) // warning: function was declared deprecated
299#elif defined(__INTEL_COMPILER)
300#define DISABLE_DEPRECATED_WARNING _Pragma("warning (disable: 1478)") // warning: function was declared deprecated
301#define ENABLE_DEPRECATED_WARNING _Pragma("warning (enable : 1478)") // warning: function was declared deprecated
302#elif defined(__clang__)
303#define DISABLE_DEPRECATED_WARNING _Pragma("clang diagnostic ignored \"-Wdeprecated-declarations\"") // warning: xxx is deprecated
304#define ENABLE_DEPRECATED_WARNING _Pragma("clang diagnostic warning \"-Wdeprecated-declarations\"") // warning: xxx is deprecated
305#elif defined(__GNUC__)
306#define DISABLE_DEPRECATED_WARNING _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") // warning: xxx is deprecated
307#define ENABLE_DEPRECATED_WARNING _Pragma("GCC diagnostic warning \"-Wdeprecated-declarations\"") // warning: xxx is deprecated
308#elif defined(_MSC_VER)
309#define DISABLE_DEPRECATED_WARNING __pragma(warning (disable: 4996)) // warning: function was declared deprecated
310#define ENABLE_DEPRECATED_WARNING __pragma(warning (enable : 4996)) // warning: function was declared deprecated
311#endif
312
313/* embree output stream */
314#define embree_ostream std::ostream&
315#define embree_cout std::cout
316#define embree_cout_uniform std::cout
317#define embree_endl std::endl
318
319////////////////////////////////////////////////////////////////////////////////
320/// Some macros for static profiling
321////////////////////////////////////////////////////////////////////////////////
322
323#if defined (__GNUC__)
324#define IACA_SSC_MARK( MARK_ID ) \
325__asm__ __volatile__ ( \
326 "\n\t movl $"#MARK_ID", %%ebx" \
327 "\n\t .byte 0x64, 0x67, 0x90" \
328 : : : "memory" );
329
330#define IACA_UD_BYTES __asm__ __volatile__ ("\n\t .byte 0x0F, 0x0B");
331
332#else
333#define IACA_UD_BYTES {__asm _emit 0x0F \
334 __asm _emit 0x0B}
335
336#define IACA_SSC_MARK(x) {__asm mov ebx, x\
337 __asm _emit 0x64 \
338 __asm _emit 0x67 \
339 __asm _emit 0x90 }
340
341#define IACA_VC64_START __writegsbyte(111, 111);
342#define IACA_VC64_END __writegsbyte(222, 222);
343
344#endif
345
346#define IACA_START {IACA_UD_BYTES \
347 IACA_SSC_MARK(111)}
348#define IACA_END {IACA_SSC_MARK(222) \
349 IACA_UD_BYTES}
350
351namespace embree
352{
353 template<typename Closure>
354 struct OnScopeExitHelper
355 {
356 OnScopeExitHelper (const Closure f) : active(true), f(f) {}
357 ~OnScopeExitHelper() { if (active) f(); }
358 void deactivate() { active = false; }
359 bool active;
360 const Closure f;
361 };
362
363 template <typename Closure>
364 OnScopeExitHelper<Closure> OnScopeExit(const Closure f) {
365 return OnScopeExitHelper<Closure>(f);
366 }
367
368#define STRING_JOIN2(arg1, arg2) DO_STRING_JOIN2(arg1, arg2)
369#define DO_STRING_JOIN2(arg1, arg2) arg1 ## arg2
370#define ON_SCOPE_EXIT(code) \
371 auto STRING_JOIN2(on_scope_exit_, __LINE__) = OnScopeExit([&](){code;})
372
373 template<typename Ty>
374 std::unique_ptr<Ty> make_unique(Ty* ptr) {
375 return std::unique_ptr<Ty>(ptr);
376 }
377
378}
379
380// Qt's bundled build enforces EMBREE_TARGET_SSE2, it must not hit the AVX code paths
381#undef __AVX512VL__
382#undef __AVX512F__
383#undef __AVX2__
384#undef __AVXI__
385#undef __AVX__
386#undef __SSE4_2__
387

source code of qtquick3d/src/3rdparty/embree/common/sys/platform.h