src/gallium/drivers/swr/rasterizer/common/os.h

   1 /****************************************************************************
   2 * Copyright (C) 2014-2015 Intel Corporation.   All Rights Reserved.
   3 *
   4 * Permission is hereby granted, free of charge, to any person obtaining a
   5 * copy of this software and associated documentation files (the "Software"),
   6 * to deal in the Software without restriction, including without limitation
   7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 * and/or sell copies of the Software, and to permit persons to whom the
   9 * Software is furnished to do so, subject to the following conditions:
  10 *
  11 * The above copyright notice and this permission notice (including the next
  12 * paragraph) shall be included in all copies or substantial portions of the
  13 * Software.
  14 *
  15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21 * IN THE SOFTWARE.
  22 ****************************************************************************/
  23
  24 #ifndef __SWR_OS_H__
  25 #define __SWR_OS_H__
  26
  27 #include <cstddef>
  28 #include "core/knobs.h"
  29
  30 #if (defined(FORCE_WINDOWS) || defined(_WIN32)) && !defined(FORCE_LINUX)
  31
  32 #define SWR_API __cdecl
  33
  34 #ifndef NOMINMAX
  35 #define NOMINMAX
  36 #endif
  37 #include <windows.h>
  38 #include <intrin.h>
  39 #include <cstdint>
  40
  41 #if defined(MemoryFence)
  42 // Windows.h defines MemoryFence as _mm_mfence, but this conflicts with llvm::sys::MemoryFence
  43 #undef MemoryFence
  44 #endif
  45
  46 #define OSALIGN(RWORD, WIDTH) __declspec(align(WIDTH)) RWORD
  47 #define THREAD __declspec(thread)
  48 #define INLINE __forceinline
  49 #define DEBUGBREAK __debugbreak()
  50
  51 #define PRAGMA_WARNING_PUSH_DISABLE(...) \
  52     __pragma(warning(push));\
  53     __pragma(warning(disable:__VA_ARGS__));
  54
  55 #define PRAGMA_WARNING_POP() __pragma(warning(pop))
  56
  57 static inline void *AlignedMalloc(size_t _Size, size_t _Alignment)
  58 {
  59     return _aligned_malloc(_Size, _Alignment);
  60 }
  61
  62 static inline void AlignedFree(void* p)
  63 {
  64     return _aligned_free(p);
  65 }
  66
  67 #if defined(_WIN64)
  68 #define BitScanReverseSizeT BitScanReverse64
  69 #define BitScanForwardSizeT BitScanForward64
  70 #define _mm_popcount_sizeT _mm_popcnt_u64
  71 #else
  72 #define BitScanReverseSizeT BitScanReverse
  73 #define BitScanForwardSizeT BitScanForward
  74 #define _mm_popcount_sizeT _mm_popcnt_u32
  75 #endif
  76
  77 #elif defined(__APPLE__) || defined(FORCE_LINUX) || defined(__linux__) || defined(__gnu_linux__)
  78
  79 #define SWR_API
  80
  81 #include <stdlib.h>
  82 #include <string.h>
  83 #include <x86intrin.h>
  84 #include <stdint.h>
  85 #include <sys/types.h>
  86 #include <unistd.h>
  87 #include <sys/stat.h>
  88 #include <stdio.h>
  89 #include <limits.h>
  90
  91 typedef void            VOID;
  92 typedef void*           LPVOID;
  93 typedef int             INT;
  94 typedef unsigned int    UINT;
  95 typedef void*           HANDLE;
  96 typedef int             LONG;
  97 typedef unsigned int    DWORD;
  98
  99 #undef FALSE
 100 #define FALSE 0
 101
 102 #undef TRUE
 103 #define TRUE 1
 104
 105 #define MAX_PATH PATH_MAX
 106
 107 #define OSALIGN(RWORD, WIDTH) RWORD __attribute__((aligned(WIDTH)))
 108 #define THREAD __thread
 109 #ifndef INLINE
 110 #define INLINE __inline
 111 #endif
 112 #define DEBUGBREAK asm ("int $3")
 113
 114 #if !defined(__CYGWIN__)
 115
 116 #ifndef __cdecl
 117 #define __cdecl
 118 #endif
 119 #ifndef __stdcall
 120 #define __stdcall
 121 #endif
 122
 123 #if defined(__GNUC__) && !defined(__INTEL_COMPILER)
 124     #define __declspec(x)           __declspec_##x
 125     #define __declspec_align(y)     __attribute__((aligned(y)))
 126     #define __declspec_deprecated   __attribute__((deprecated))
 127     #define __declspec_dllexport
 128     #define __declspec_dllimport
 129     #define __declspec_noinline     __attribute__((__noinline__))
 130     #define __declspec_nothrow      __attribute__((nothrow))
 131     #define __declspec_novtable
 132     #define __declspec_thread       __thread
 133 #else
 134     #define __declspec(X)
 135 #endif
 136
 137 #endif
 138
 139 #define GCC_VERSION (__GNUC__ * 10000 \
 140                      + __GNUC_MINOR__ * 100 \
 141                      + __GNUC_PATCHLEVEL__)
 142
 143 #if !defined(__clang__) && (__GNUC__) && (GCC_VERSION < 40500)
 144 inline
 145 uint64_t __rdtsc()
 146 {
 147     long low, high;
 148     asm volatile("rdtsc" : "=a"(low), "=d"(high));
 149     return (low | ((uint64_t)high << 32));
 150 }
 151 #endif
 152
 153 #if !defined( __clang__) && !defined(__INTEL_COMPILER)
 154 // Intrinsic not defined in gcc
 155 static INLINE
 156 void _mm256_storeu2_m128i(__m128i *hi, __m128i *lo, __m256i a)
 157 {
 158     _mm_storeu_si128((__m128i*)lo, _mm256_castsi256_si128(a));
 159     _mm_storeu_si128((__m128i*)hi, _mm256_extractf128_si256(a, 0x1));
 160 }
 161 #endif
 162
 163 inline
 164 unsigned char _BitScanForward(unsigned long *Index, unsigned long Mask)
 165 {
 166     *Index = __builtin_ctz(Mask);
 167     return (Mask != 0);
 168 }
 169
 170 inline
 171 unsigned char _BitScanForward(unsigned int *Index, unsigned int Mask)
 172 {
 173     *Index = __builtin_ctz(Mask);
 174     return (Mask != 0);
 175 }
 176
 177 inline
 178 unsigned char _BitScanReverse(unsigned long *Index, unsigned long Mask)
 179 {
 180     *Index = __builtin_clz(Mask);
 181     return (Mask != 0);
 182 }
 183
 184 inline
 185 unsigned char _BitScanReverse(unsigned int *Index, unsigned int Mask)
 186 {
 187     *Index = __builtin_clz(Mask);
 188     return (Mask != 0);
 189 }
 190
 191 inline
 192 void *AlignedMalloc(unsigned int size, unsigned int alignment)
 193 {
 194     void *ret;
 195     if (posix_memalign(&ret, alignment, size))
 196     {
 197         return NULL;
 198     }
 199     return ret;
 200 }
 201
 202 inline
 203 unsigned char _bittest(const LONG *a, LONG b)
 204 {
 205     return ((*(unsigned *)(a) & (1 << b)) != 0);
 206 }
 207
 208 static inline
 209 void AlignedFree(void* p)
 210 {
 211     free(p);
 212 }
 213
 214 #define _countof(a) (sizeof(a)/sizeof(*(a)))
 215
 216 #define sprintf_s sprintf
 217 #define strcpy_s(dst,size,src) strncpy(dst,src,size)
 218 #define GetCurrentProcessId getpid
 219 pid_t gettid(void);
 220 #define GetCurrentThreadId gettid
 221
 222 #define CreateDirectory(name, pSecurity) mkdir(name, 0777)
 223
 224 #define InterlockedCompareExchange(Dest, Exchange, Comparand) __sync_val_compare_and_swap(Dest, Comparand, Exchange)
 225 #define InterlockedExchangeAdd(Addend, Value) __sync_fetch_and_add(Addend, Value)
 226 #define InterlockedDecrement(Append) __sync_sub_and_fetch(Append, 1)
 227 #define InterlockedDecrement64(Append) __sync_sub_and_fetch(Append, 1)
 228 #define InterlockedIncrement(Append) __sync_add_and_fetch(Append, 1)
 229 #define InterlockedAdd(Addend, Value) __sync_add_and_fetch(Addend, Value)
 230 #define InterlockedAdd64(Addend, Value) __sync_add_and_fetch(Addend, Value)
 231 #define _ReadWriteBarrier() asm volatile("" ::: "memory")
 232
 233 #define PRAGMA_WARNING_PUSH_DISABLE(...)
 234 #define PRAGMA_WARNING_POP()
 235
 236 #else
 237
 238 #error Unsupported OS/system.
 239
 240 #endif
 241
 242 // Universal types
 243 typedef uint8_t     KILOBYTE[1024];
 244 typedef KILOBYTE    MEGABYTE[1024];
 245 typedef MEGABYTE    GIGABYTE[1024];
 246
 247 #define OSALIGNLINE(RWORD) OSALIGN(RWORD, 64)
 248 #define OSALIGNSIMD(RWORD) OSALIGN(RWORD, KNOB_SIMD_BYTES)
 249
 250 #include "common/swr_assert.h"
 251
 252 #ifdef __GNUC__
 253 #define ATTR_UNUSED __attribute__((unused))
 254 #else
 255 #define ATTR_UNUSED
 256 #endif
 257
 258 #endif//__SWR_OS_H__