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 #define OSALIGN(RWORD, WIDTH) __declspec(align(WIDTH)) RWORD
  42 #define THREAD __declspec(thread)
  43 #define INLINE __forceinline
  44 #define DEBUGBREAK __debugbreak()
  45
  46 #define PRAGMA_WARNING_PUSH_DISABLE(...) \
  47     __pragma(warning(push));\
  48     __pragma(warning(disable:__VA_ARGS__));
  49
  50 #define PRAGMA_WARNING_POP() __pragma(warning(pop))
  51
  52 #if defined(_WIN64)
  53 #define BitScanReverseSizeT BitScanReverse64
  54 #define BitScanForwardSizeT BitScanForward64
  55 #define _mm_popcount_sizeT _mm_popcnt_u64
  56 #else
  57 #define BitScanReverseSizeT BitScanReverse
  58 #define BitScanForwardSizeT BitScanForward
  59 #define _mm_popcount_sizeT _mm_popcnt_u32
  60 #endif
  61
  62 #elif defined(FORCE_LINUX) || defined(__linux__) || defined(__gnu_linux__)
  63
  64 #define SWR_API
  65
  66 #include <stdlib.h>
  67 #include <string.h>
  68 #include <x86intrin.h>
  69 #include <stdint.h>
  70 #include <sys/types.h>
  71 #include <unistd.h>
  72 #include <sys/stat.h>
  73 #include <stdio.h>
  74
  75 typedef void            VOID;
  76 typedef void*           LPVOID;
  77 typedef int             INT;
  78 typedef unsigned int    UINT;
  79 typedef void*           HANDLE;
  80 typedef int             LONG;
  81 typedef unsigned int    DWORD;
  82
  83 #undef FALSE
  84 #define FALSE 0
  85
  86 #undef TRUE
  87 #define TRUE 1
  88
  89 #define OSALIGN(RWORD, WIDTH) RWORD __attribute__((aligned(WIDTH)))
  90 #define THREAD __thread
  91 #ifndef INLINE
  92 #define INLINE __inline
  93 #endif
  94 #define DEBUGBREAK asm ("int $3")
  95 #if !defined(__CYGWIN__)
  96 #ifndef __cdecl
  97 #define __cdecl
  98 #endif
  99 #ifndef __stdcall
 100 #define __stdcall
 101 #endif
 102 #define __declspec(X)
 103 #endif
 104
 105 #define GCC_VERSION (__GNUC__ * 10000 \
 106                      + __GNUC_MINOR__ * 100 \
 107                      + __GNUC_PATCHLEVEL__)
 108
 109 #if !defined(__clang__) && (__GNUC__) && (GCC_VERSION < 40500)
 110 inline
 111 uint64_t __rdtsc()
 112 {
 113     long low, high;
 114     asm volatile("rdtsc" : "=a"(low), "=d"(high));
 115     return (low | ((uint64_t)high << 32));
 116 }
 117 #endif
 118
 119 #ifndef __clang__
 120 // Intrinsic not defined in gcc
 121 static INLINE
 122 void _mm256_storeu2_m128i(__m128i *hi, __m128i *lo, __m256i a)
 123 {
 124     _mm_storeu_si128((__m128i*)lo, _mm256_castsi256_si128(a));
 125     _mm_storeu_si128((__m128i*)hi, _mm256_extractf128_si256(a, 0x1));
 126 }
 127 #endif
 128
 129 inline
 130 unsigned char _BitScanForward(unsigned long *Index, unsigned long Mask)
 131 {
 132     *Index = __builtin_ctz(Mask);
 133     return (Mask != 0);
 134 }
 135
 136 inline
 137 unsigned char _BitScanForward(unsigned int *Index, unsigned int Mask)
 138 {
 139     *Index = __builtin_ctz(Mask);
 140     return (Mask != 0);
 141 }
 142
 143 inline
 144 unsigned char _BitScanReverse(unsigned long *Index, unsigned long Mask)
 145 {
 146     *Index = __builtin_clz(Mask);
 147     return (Mask != 0);
 148 }
 149
 150 inline
 151 unsigned char _BitScanReverse(unsigned int *Index, unsigned int Mask)
 152 {
 153     *Index = __builtin_clz(Mask);
 154     return (Mask != 0);
 155 }
 156
 157 inline
 158 void *_aligned_malloc(unsigned int size, unsigned int alignment)
 159 {
 160     void *ret;
 161     if (posix_memalign(&ret, alignment, size))
 162     {
 163         return NULL;
 164     }
 165     return ret;
 166 }
 167
 168 inline
 169 unsigned char _bittest(const LONG *a, LONG b)
 170 {
 171     return ((*(unsigned *)(a) & (1 << b)) != 0);
 172 }
 173
 174 #define GetCurrentProcessId getpid
 175 #define GetCurrentThreadId gettid
 176
 177 #define CreateDirectory(name, pSecurity) mkdir(name, 0777)
 178
 179 #define _aligned_free free
 180 #define InterlockedCompareExchange(Dest, Exchange, Comparand) __sync_val_compare_and_swap(Dest, Comparand, Exchange)
 181 #define InterlockedExchangeAdd(Addend, Value) __sync_fetch_and_add(Addend, Value)
 182 #define InterlockedDecrement(Append) __sync_sub_and_fetch(Append, 1)
 183 #define InterlockedDecrement64(Append) __sync_sub_and_fetch(Append, 1)
 184 #define InterlockedIncrement(Append) __sync_add_and_fetch(Append, 1)
 185 #define _ReadWriteBarrier() asm volatile("" ::: "memory")
 186
 187 #define PRAGMA_WARNING_PUSH_DISABLE(...)
 188 #define PRAGMA_WARNING_POP()
 189
 190 #else
 191
 192 #error Unsupported OS/system.
 193
 194 #endif
 195
 196 // Universal types
 197 typedef uint8_t     KILOBYTE[1024];
 198 typedef KILOBYTE    MEGABYTE[1024];
 199 typedef MEGABYTE    GIGABYTE[1024];
 200
 201 #define OSALIGNLINE(RWORD) OSALIGN(RWORD, 64)
 202 #define OSALIGNSIMD(RWORD) OSALIGN(RWORD, KNOB_SIMD_BYTES)
 203
 204 #include "common/swr_assert.h"
 205
 206 #endif//__SWR_OS_H__