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 #define __cdecl
  97 #define __stdcall
  98 #define __declspec(X)
  99 #endif
 100
 101 #define GCC_VERSION (__GNUC__ * 10000 \
 102                      + __GNUC_MINOR__ * 100 \
 103                      + __GNUC_PATCHLEVEL__)
 104
 105 #if !defined(__clang__) && (__GNUC__) && (GCC_VERSION < 40500)
 106 inline
 107 uint64_t __rdtsc()
 108 {
 109     long low, high;
 110     asm volatile("rdtsc" : "=a"(low), "=d"(high));
 111     return (low | ((uint64_t)high << 32));
 112 }
 113 #endif
 114
 115 #ifndef __clang__
 116 // Intrinsic not defined in gcc
 117 static INLINE
 118 void _mm256_storeu2_m128i(__m128i *hi, __m128i *lo, __m256i a)
 119 {
 120     _mm_storeu_si128((__m128i*)lo, _mm256_castsi256_si128(a));
 121     _mm_storeu_si128((__m128i*)hi, _mm256_extractf128_si256(a, 0x1));
 122 }
 123 #endif
 124
 125 inline
 126 unsigned char _BitScanForward(unsigned long *Index, unsigned long Mask)
 127 {
 128     *Index = __builtin_ctz(Mask);
 129     return (Mask != 0);
 130 }
 131
 132 inline
 133 unsigned char _BitScanForward(unsigned int *Index, unsigned int Mask)
 134 {
 135     *Index = __builtin_ctz(Mask);
 136     return (Mask != 0);
 137 }
 138
 139 inline
 140 unsigned char _BitScanReverse(unsigned long *Index, unsigned long Mask)
 141 {
 142     *Index = __builtin_clz(Mask);
 143     return (Mask != 0);
 144 }
 145
 146 inline
 147 unsigned char _BitScanReverse(unsigned int *Index, unsigned int Mask)
 148 {
 149     *Index = __builtin_clz(Mask);
 150     return (Mask != 0);
 151 }
 152
 153 inline
 154 void *_aligned_malloc(unsigned int size, unsigned int alignment)
 155 {
 156     void *ret;
 157     if (posix_memalign(&ret, alignment, size))
 158     {
 159         return NULL;
 160     }
 161     return ret;
 162 }
 163
 164 inline
 165 unsigned char _bittest(const LONG *a, LONG b)
 166 {
 167     return ((*(unsigned *)(a) & (1 << b)) != 0);
 168 }
 169
 170 #define GetCurrentProcessId getpid
 171 #define GetCurrentThreadId gettid
 172
 173 #define CreateDirectory(name, pSecurity) mkdir(name, 0777)
 174
 175 #define _aligned_free free
 176 #define InterlockedCompareExchange(Dest, Exchange, Comparand) __sync_val_compare_and_swap(Dest, Comparand, Exchange)
 177 #define InterlockedExchangeAdd(Addend, Value) __sync_fetch_and_add(Addend, Value)
 178 #define InterlockedDecrement(Append) __sync_sub_and_fetch(Append, 1)
 179 #define InterlockedDecrement64(Append) __sync_sub_and_fetch(Append, 1)
 180 #define InterlockedIncrement(Append) __sync_add_and_fetch(Append, 1)
 181 #define _ReadWriteBarrier() asm volatile("" ::: "memory")
 182
 183 #define PRAGMA_WARNING_PUSH_DISABLE(...)
 184 #define PRAGMA_WARNING_POP()
 185
 186 #else
 187
 188 #error Unsupported OS/system.
 189
 190 #endif
 191
 192 // Universal types
 193 typedef uint8_t     KILOBYTE[1024];
 194 typedef KILOBYTE    MEGABYTE[1024];
 195 typedef MEGABYTE    GIGABYTE[1024];
 196
 197 #define OSALIGNLINE(RWORD) OSALIGN(RWORD, 64)
 198 #define OSALIGNSIMD(RWORD) OSALIGN(RWORD, KNOB_SIMD_BYTES)
 199
 200 #include "common/swr_assert.h"
 201
 202 #endif//__SWR_OS_H__