1// Copyright 2009-2021 Intel Corporation
2// SPDX-License-Identifier: Apache-2.0
3
4#pragma once
5
6#if defined (__AVX__)
7#pragma GCC target("no-sse3")
8#endif
9
10#define _CRT_SECURE_NO_WARNINGS
11
12#include <cstddef>
13#include <cassert>
14#include <cstdlib>
15#include <cstdio>
16#include <memory>
17#include <stdexcept>
18#include <iostream>
19#include <iomanip>
20#include <fstream>
21#include <string>
22#include <cstring>
23#include <stdint.h>
24#include <functional>
25
26////////////////////////////////////////////////////////////////////////////////
27/// detect platform
28////////////////////////////////////////////////////////////////////////////////
29
30/* detect 32 or 64 Intel platform */
31#if defined(__x86_64__) || defined(__ia64__) || defined(_M_X64)
32#define __X86_64__
33#define __X86_ASM__
34#elif defined(__i386__) || defined(_M_IX86)
35#define __X86_ASM__
36#endif
37
38/* detect 64 bit platform */
39#if defined(__X86_64__) || defined(__aarch64__)
40#define __64BIT__
41#endif
42
43/* detect Linux platform */
44#if defined(linux) || defined(__linux__) || defined(__LINUX__)
45# if !defined(__LINUX__)
46# define __LINUX__
47# endif
48# if !defined(__UNIX__)
49# define __UNIX__
50# endif
51#endif
52
53/* detect FreeBSD platform */
54#if defined(__FreeBSD__) || defined(__FREEBSD__)
55# if !defined(__FREEBSD__)
56# define __FREEBSD__
57# endif
58# if !defined(__UNIX__)
59# define __UNIX__
60# endif
61#endif
62
63/* detect Windows 95/98/NT/2000/XP/Vista/7/8/10 platform */
64#if (defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__NT__)) && !defined(__CYGWIN__)
65# if !defined(__WIN32__)
66# define __WIN32__
67# endif
68#endif
69
70/* detect Cygwin platform */
71#if defined(__CYGWIN__)
72# if !defined(__UNIX__)
73# define __UNIX__
74# endif
75#endif
76
77/* detect MAC OS X platform */
78#if defined(__APPLE__) || defined(MACOSX) || defined(__MACOSX__)
79# if !defined(__MACOSX__)
80# define __MACOSX__
81# endif
82# if !defined(__UNIX__)
83# define __UNIX__
84# endif
85#endif
86
87/* try to detect other Unix systems */
88#if defined(__unix__) || defined (unix) || defined(__unix) || defined(_unix)
89# if !defined(__UNIX__)
90# define __UNIX__
91# endif
92#endif
93
94////////////////////////////////////////////////////////////////////////////////
95/// Macros
96////////////////////////////////////////////////////////////////////////////////
97
98#ifdef __WIN32__
99#define dll_export __declspec(dllexport)
100#define dll_import __declspec(dllimport)
101#else
102#define dll_export __attribute__ ((visibility ("default")))
103#define dll_import
104#endif
105
106#if defined(__WIN32__) && !defined(__MINGW32__)
107#if !defined(__noinline)
108#define __noinline __declspec(noinline)
109#endif
110//#define __forceinline __forceinline
111//#define __restrict __restrict
112#if defined(__INTEL_COMPILER)
113#define __restrict__ __restrict
114#else
115#define __restrict__ //__restrict // causes issues with MSVC
116#endif
117#if !defined(__thread)
118#define __thread __declspec(thread)
119#endif
120#if !defined(__aligned)
121#define __aligned(...) __declspec(align(__VA_ARGS__))
122#endif
123//#define __FUNCTION__ __FUNCTION__
124#define debugbreak() __debugbreak()
125
126#else
127#if !defined(__noinline)
128#define __noinline __attribute__((noinline))
129#endif
130#if !defined(__forceinline)
131#define __forceinline inline __attribute__((always_inline))
132#endif
133//#define __restrict __restrict
134//#define __thread __thread
135#if !defined(__aligned)
136#define __aligned(...) __attribute__((aligned(__VA_ARGS__)))
137#endif
138#if !defined(__FUNCTION__)
139#define __FUNCTION__ __PRETTY_FUNCTION__
140#endif
141#define debugbreak() asm ("int $3")
142#endif
143
144#if defined(__clang__) || defined(__GNUC__)
145 #define MAYBE_UNUSED __attribute__((unused))
146#else
147 #define MAYBE_UNUSED
148#endif
149
150#if defined(_MSC_VER) && (_MSC_VER < 1900) // before VS2015 deleted functions are not supported properly
151 #define DELETED
152#else
153 #define DELETED = delete
154#endif
155
156#if !defined(likely)
157#if defined(_MSC_VER) && !defined(__INTEL_COMPILER)
158#define likely(expr) (expr)
159#define unlikely(expr) (expr)
160#else
161#define likely(expr) __builtin_expect((bool)(expr),true )
162#define unlikely(expr) __builtin_expect((bool)(expr),false)
163#endif
164#endif
165
166////////////////////////////////////////////////////////////////////////////////
167/// Error handling and debugging
168////////////////////////////////////////////////////////////////////////////////
169
170/* debug printing macros */
171#define STRING(x) #x
172#define TOSTRING(x) STRING(x)
173#define PING embree_cout << __FILE__ << " (" << __LINE__ << "): " << __FUNCTION__ << embree_endl
174#define PRINT(x) embree_cout << STRING(x) << " = " << (x) << embree_endl
175#define PRINT2(x,y) embree_cout << STRING(x) << " = " << (x) << ", " << STRING(y) << " = " << (y) << embree_endl
176#define PRINT3(x,y,z) embree_cout << STRING(x) << " = " << (x) << ", " << STRING(y) << " = " << (y) << ", " << STRING(z) << " = " << (z) << embree_endl
177#define PRINT4(x,y,z,w) embree_cout << STRING(x) << " = " << (x) << ", " << STRING(y) << " = " << (y) << ", " << STRING(z) << " = " << (z) << ", " << STRING(w) << " = " << (w) << embree_endl
178
179#if defined(DEBUG) // only report file and line in debug mode
180 #define THROW_RUNTIME_ERROR(str) \
181 throw std::runtime_error(std::string(__FILE__) + " (" + toString(__LINE__) + "): " + std::string(str));
182#else
183 #define THROW_RUNTIME_ERROR(str) \
184 throw std::runtime_error(str);
185#endif
186
187#define FATAL(x) THROW_RUNTIME_ERROR(x)
188#define WARNING(x) { std::cerr << "Warning: " << x << embree_endl << std::flush; }
189
190#define NOT_IMPLEMENTED FATAL(std::string(__FUNCTION__) + " not implemented")
191
192////////////////////////////////////////////////////////////////////////////////
193/// Basic types
194////////////////////////////////////////////////////////////////////////////////
195
196/* default floating-point type */
197namespace embree {
198 typedef float real;
199}
200
201/* windows does not have ssize_t */
202#if defined(__WIN32__)
203#if defined(__64BIT__)
204typedef int64_t ssize_t;
205#else
206typedef int32_t ssize_t;
207#endif
208#endif
209
210////////////////////////////////////////////////////////////////////////////////
211/// Basic utility functions
212////////////////////////////////////////////////////////////////////////////////
213
214__forceinline std::string toString(long long value) {
215 return std::to_string(val: value);
216}
217
218////////////////////////////////////////////////////////////////////////////////
219/// Disable some compiler warnings
220////////////////////////////////////////////////////////////////////////////////
221
222#if defined(__INTEL_COMPILER)
223//#pragma warning(disable:265 ) // floating-point operation result is out of range
224//#pragma warning(disable:383 ) // value copied to temporary, reference to temporary used
225//#pragma warning(disable:869 ) // parameter was never referenced
226//#pragma warning(disable:981 ) // operands are evaluated in unspecified order
227//#pragma warning(disable:1418) // external function definition with no prior declaration
228//#pragma warning(disable:1419) // external declaration in primary source file
229//#pragma warning(disable:1572) // floating-point equality and inequality comparisons are unreliable
230//#pragma warning(disable:94 ) // the size of an array must be greater than zero
231//#pragma warning(disable:1599) // declaration hides parameter
232//#pragma warning(disable:424 ) // extra ";" ignored
233#pragma warning(disable:2196) // routine is both "inline" and "noinline"
234//#pragma warning(disable:177 ) // label was declared but never referenced
235//#pragma warning(disable:114 ) // function was referenced but not defined
236//#pragma warning(disable:819 ) // template nesting depth does not match the previous declaration of function
237#pragma warning(disable:15335) // was not vectorized: vectorization possible but seems inefficient
238#endif
239
240#if defined(_MSC_VER)
241//#pragma warning(disable:4200) // nonstandard extension used : zero-sized array in struct/union
242#pragma warning(disable:4800) // forcing value to bool 'true' or 'false' (performance warning)
243//#pragma warning(disable:4267) // '=' : conversion from 'size_t' to 'unsigned long', possible loss of data
244#pragma warning(disable:4244) // 'argument' : conversion from 'ssize_t' to 'unsigned int', possible loss of data
245//#pragma warning(disable:4355) // 'this' : used in base member initializer list
246//#pragma warning(disable:391 ) // '<=' : signed / unsigned mismatch
247//#pragma warning(disable:4018) // '<' : signed / unsigned mismatch
248//#pragma warning(disable:4305) // 'initializing' : truncation from 'double' to 'float'
249//#pragma warning(disable:4068) // unknown pragma
250//#pragma warning(disable:4146) // unary minus operator applied to unsigned type, result still unsigned
251//#pragma warning(disable:4838) // conversion from 'unsigned int' to 'const int' requires a narrowing conversion)
252//#pragma warning(disable:4227) // anachronism used : qualifiers on reference are ignored
253#pragma warning(disable:4503) // decorated name length exceeded, name was truncated
254#pragma warning(disable:4180) // qualifier applied to function type has no meaning; ignored
255#pragma warning(disable:4258) // definition from the for loop is ignored; the definition from the enclosing scope is used
256
257# if _MSC_VER < 1910 // prior to Visual studio 2017 (V141)
258# pragma warning(disable:4101) // warning C4101: 'x': unreferenced local variable // a compiler bug issues wrong warnings
259# pragma warning(disable:4789) // buffer '' of size 8 bytes will be overrun; 32 bytes will be written starting at offset 0
260# endif
261
262#endif
263
264#if defined(__clang__) && !defined(__INTEL_COMPILER)
265//#pragma clang diagnostic ignored "-Wunknown-pragmas"
266//#pragma clang diagnostic ignored "-Wunused-variable"
267//#pragma clang diagnostic ignored "-Wreorder"
268//#pragma clang diagnostic ignored "-Wmicrosoft"
269//#pragma clang diagnostic ignored "-Wunused-private-field"
270//#pragma clang diagnostic ignored "-Wunused-local-typedef"
271//#pragma clang diagnostic ignored "-Wunused-function"
272//#pragma clang diagnostic ignored "-Wnarrowing"
273//#pragma clang diagnostic ignored "-Wc++11-narrowing"
274//#pragma clang diagnostic ignored "-Wdeprecated-register"
275//#pragma clang diagnostic ignored "-Wdeprecated-declarations"
276#endif
277
278#if defined(__GNUC__) && !defined(__INTEL_COMPILER) && !defined(__clang__)
279#pragma GCC diagnostic ignored "-Wpragmas"
280//#pragma GCC diagnostic ignored "-Wnarrowing"
281#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
282//#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
283//#pragma GCC diagnostic ignored "-Warray-bounds"
284#pragma GCC diagnostic ignored "-Wattributes"
285#pragma GCC diagnostic ignored "-Wmisleading-indentation"
286#pragma GCC diagnostic ignored "-Wsign-compare"
287#pragma GCC diagnostic ignored "-Wparentheses"
288#endif
289
290#if defined(__clang__) && defined(__WIN32__)
291#pragma clang diagnostic ignored "-Wunused-parameter"
292#pragma clang diagnostic ignored "-Wmicrosoft-cast"
293#pragma clang diagnostic ignored "-Wmicrosoft-enum-value"
294#pragma clang diagnostic ignored "-Wmicrosoft-include"
295#pragma clang diagnostic ignored "-Wunused-function"
296#pragma clang diagnostic ignored "-Wunknown-pragmas"
297#endif
298
299/* disabling deprecated warning, please use only where use of deprecated Embree API functions is desired */
300#if defined(__WIN32__) && defined(__INTEL_COMPILER)
301#define DISABLE_DEPRECATED_WARNING __pragma(warning (disable: 1478)) // warning: function was declared deprecated
302#define ENABLE_DEPRECATED_WARNING __pragma(warning (enable: 1478)) // warning: function was declared deprecated
303#elif defined(__INTEL_COMPILER)
304#define DISABLE_DEPRECATED_WARNING _Pragma("warning (disable: 1478)") // warning: function was declared deprecated
305#define ENABLE_DEPRECATED_WARNING _Pragma("warning (enable : 1478)") // warning: function was declared deprecated
306#elif defined(__clang__)
307#define DISABLE_DEPRECATED_WARNING _Pragma("clang diagnostic ignored \"-Wdeprecated-declarations\"") // warning: xxx is deprecated
308#define ENABLE_DEPRECATED_WARNING _Pragma("clang diagnostic warning \"-Wdeprecated-declarations\"") // warning: xxx is deprecated
309#elif defined(__GNUC__)
310#define DISABLE_DEPRECATED_WARNING _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") // warning: xxx is deprecated
311#define ENABLE_DEPRECATED_WARNING _Pragma("GCC diagnostic warning \"-Wdeprecated-declarations\"") // warning: xxx is deprecated
312#elif defined(_MSC_VER)
313#define DISABLE_DEPRECATED_WARNING __pragma(warning (disable: 4996)) // warning: function was declared deprecated
314#define ENABLE_DEPRECATED_WARNING __pragma(warning (enable : 4996)) // warning: function was declared deprecated
315#endif
316
317/* embree output stream */
318#define embree_ostream std::ostream&
319#define embree_cout std::cout
320#define embree_cout_uniform std::cout
321#define embree_endl std::endl
322
323////////////////////////////////////////////////////////////////////////////////
324/// Some macros for static profiling
325////////////////////////////////////////////////////////////////////////////////
326
327#if defined (__GNUC__)
328#define IACA_SSC_MARK( MARK_ID ) \
329__asm__ __volatile__ ( \
330 "\n\t movl $"#MARK_ID", %%ebx" \
331 "\n\t .byte 0x64, 0x67, 0x90" \
332 : : : "memory" );
333
334#define IACA_UD_BYTES __asm__ __volatile__ ("\n\t .byte 0x0F, 0x0B");
335
336#else
337#define IACA_UD_BYTES {__asm _emit 0x0F \
338 __asm _emit 0x0B}
339
340#define IACA_SSC_MARK(x) {__asm mov ebx, x\
341 __asm _emit 0x64 \
342 __asm _emit 0x67 \
343 __asm _emit 0x90 }
344
345#define IACA_VC64_START __writegsbyte(111, 111);
346#define IACA_VC64_END __writegsbyte(222, 222);
347
348#endif
349
350#define IACA_START {IACA_UD_BYTES \
351 IACA_SSC_MARK(111)}
352#define IACA_END {IACA_SSC_MARK(222) \
353 IACA_UD_BYTES}
354
355namespace embree
356{
357 template<typename Closure>
358 struct OnScopeExitHelper
359 {
360 OnScopeExitHelper (const Closure f) : active(true), f(f) {}
361 ~OnScopeExitHelper() { if (active) f(); }
362 void deactivate() { active = false; }
363 bool active;
364 const Closure f;
365 };
366
367 template <typename Closure>
368 OnScopeExitHelper<Closure> OnScopeExit(const Closure f) {
369 return OnScopeExitHelper<Closure>(f);
370 }
371
372#define STRING_JOIN2(arg1, arg2) DO_STRING_JOIN2(arg1, arg2)
373#define DO_STRING_JOIN2(arg1, arg2) arg1 ## arg2
374#define ON_SCOPE_EXIT(code) \
375 auto STRING_JOIN2(on_scope_exit_, __LINE__) = OnScopeExit([&](){code;})
376
377 template<typename Ty>
378 std::unique_ptr<Ty> make_unique(Ty* ptr) {
379 return std::unique_ptr<Ty>(ptr);
380 }
381
382}
383
384// Qt's bundled build enforces EMBREE_TARGET_SSE2, it must not hit the AVX code paths
385#undef __AVX512VL__
386#undef __AVX512F__
387#undef __AVX2__
388#undef __AVXI__
389#undef __AVX__
390#undef __SSE4_2__
391#undef __SSE4_1__
392

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