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 "core/knobs.h"
  28
  29 #if (defined(FORCE_WINDOWS) || defined(_WIN32)) && !defined(FORCE_LINUX)
  30
  31 #define SWR_API __cdecl
  32
  33 #ifndef NOMINMAX
  34 #define NOMINMAX
  35 #endif
  36 #include "Windows.h"
  37 #include <intrin.h>
  38 #include <cstdint>
  39
  40 #define OSALIGN(RWORD, WIDTH) __declspec(align(WIDTH)) RWORD
  41 #define THREAD __declspec(thread)
  42 #define INLINE __forceinline
  43 #define DEBUGBREAK __debugbreak()
  44
  45 #define PRAGMA_WARNING_PUSH_DISABLE(...) \
  46     __pragma(warning(push));\
  47     __pragma(warning(disable:__VA_ARGS__));
  48
  49 #define PRAGMA_WARNING_POP() __pragma(warning(pop))
  50
  51 #if defined(_WIN64)
  52 #define BitScanReverseSizeT BitScanReverse64
  53 #define BitScanForwardSizeT BitScanForward64
  54 #define _mm_popcount_sizeT _mm_popcnt_u64
  55 #else
  56 #define BitScanReverseSizeT BitScanReverse
  57 #define BitScanForwardSizeT BitScanForward
  58 #define _mm_popcount_sizeT _mm_popcnt_u32
  59 #endif
  60
  61 #elif defined(FORCE_LINUX) || defined(__linux__) || defined(__gnu_linux__)
  62
  63 #define SWR_API
  64
  65 #include <stdlib.h>
  66 #include <string.h>
  67 #include <x86intrin.h>
  68 #include <stdint.h>
  69 #include <sys/types.h>
  70 #include <unistd.h>
  71 #include <sys/stat.h>
  72 #include <stdio.h>
  73
  74 typedef void            VOID;
  75 typedef void*           LPVOID;
  76 typedef int             INT;
  77 typedef unsigned int    UINT;
  78 typedef void*           HANDLE;
  79 typedef int             LONG;
  80 typedef unsigned int    DWORD;
  81
  82 #undef FALSE
  83 #define FALSE 0
  84
  85 #undef TRUE
  86 #define TRUE 1
  87
  88 #define OSALIGN(RWORD, WIDTH) RWORD __attribute__((aligned(WIDTH)))
  89 #define THREAD __thread
  90 #ifndef INLINE
  91 #define INLINE __inline
  92 #endif
  93 #define DEBUGBREAK asm ("int $3")
  94 #if !defined(__CYGWIN__)
  95 #define __cdecl
  96 #define __stdcall
  97 #define __declspec(X)
  98 #endif
  99
 100 #define GCC_VERSION (__GNUC__ * 10000 \
 101                      + __GNUC_MINOR__ * 100 \
 102                      + __GNUC_PATCHLEVEL__)
 103
 104 #if !defined(__clang__) && (__GNUC__) && (GCC_VERSION < 40500)
 105 inline
 106 uint64_t __rdtsc()
 107 {
 108     long low, high;
 109     asm volatile("rdtsc" : "=a"(low), "=d"(high));
 110     return (low | ((uint64_t)high << 32));
 111 }
 112 #endif
 113
 114 #ifndef __clang__
 115 // Intrinsic not defined in gcc
 116 static INLINE
 117 void _mm256_storeu2_m128i(__m128i *hi, __m128i *lo, __m256i a)
 118 {
 119     _mm_storeu_si128((__m128i*)lo, _mm256_castsi256_si128(a));
 120     _mm_storeu_si128((__m128i*)hi, _mm256_extractf128_si256(a, 0x1));
 121 }
 122 #endif
 123
 124 inline
 125 unsigned char _BitScanForward(unsigned long *Index, unsigned long Mask)
 126 {
 127     *Index = __builtin_ctz(Mask);
 128     return (Mask != 0);
 129 }
 130
 131 inline
 132 unsigned char _BitScanForward(unsigned int *Index, unsigned int Mask)
 133 {
 134     *Index = __builtin_ctz(Mask);
 135     return (Mask != 0);
 136 }
 137
 138 inline
 139 unsigned char _BitScanReverse(unsigned long *Index, unsigned long Mask)
 140 {
 141     *Index = __builtin_clz(Mask);
 142     return (Mask != 0);
 143 }
 144
 145 inline
 146 unsigned char _BitScanReverse(unsigned int *Index, unsigned int Mask)
 147 {
 148     *Index = __builtin_clz(Mask);
 149     return (Mask != 0);
 150 }
 151
 152 inline
 153 void *_aligned_malloc(unsigned int size, unsigned int alignment)
 154 {
 155     void *ret;
 156     if (posix_memalign(&ret, alignment, size))
 157     {
 158         return NULL;
 159     }
 160     return ret;
 161 }
 162
 163 inline
 164 unsigned char _bittest(const LONG *a, LONG b)
 165 {
 166     return ((*(unsigned *)(a) & (1 << b)) != 0);
 167 }
 168
 169 #define GetCurrentProcessId getpid
 170
 171 #define CreateDirectory(name, pSecurity) mkdir(name, 0777)
 172
 173 #define _aligned_free free
 174 #define InterlockedCompareExchange(Dest, Exchange, Comparand) __sync_val_compare_and_swap(Dest, Comparand, Exchange)
 175 #define InterlockedExchangeAdd(Addend, Value) __sync_fetch_and_add(Addend, Value)
 176 #define InterlockedDecrement(Append) __sync_sub_and_fetch(Append, 1)
 177 #define InterlockedDecrement64(Append) __sync_sub_and_fetch(Append, 1)
 178 #define InterlockedIncrement(Append) __sync_add_and_fetch(Append, 1)
 179 #define _ReadWriteBarrier() asm volatile("" ::: "memory")
 180
 181 #define PRAGMA_WARNING_PUSH_DISABLE(...)
 182 #define PRAGMA_WARNING_POP()
 183
 184 #else
 185
 186 #error Unsupported OS/system.
 187
 188 #endif
 189
 190 // Universal types
 191 typedef uint8_t     KILOBYTE[1024];
 192 typedef KILOBYTE    MEGABYTE[1024];
 193 typedef MEGABYTE    GIGABYTE[1024];
 194
 195 #define OSALIGNLINE(RWORD) OSALIGN(RWORD, 64)
 196 #define OSALIGNSIMD(RWORD) OSALIGN(RWORD, KNOB_SIMD_BYTES)
 197
 198 #include "common/swr_assert.h"
 199
 200 #endif//__SWR_OS_H__