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 _CRT_SECURE_NO_WARNINGS
  34 #define _CRT_SECURE_NO_WARNINGS
  35 #endif
  36
  37 #ifndef NOMINMAX
  38 #define NOMINMAX
  39 #endif
  40 #include "Windows.h"
  41 #include <intrin.h>
  42 #include <cstdint>
  43
  44 #define OSALIGN(RWORD, WIDTH) __declspec(align(WIDTH)) RWORD
  45 #define THREAD __declspec(thread)
  46 #define INLINE __forceinline
  47 #define DEBUGBREAK __debugbreak()
  48
  49 #define PRAGMA_WARNING_PUSH_DISABLE(...) \
  50     __pragma(warning(push));\
  51     __pragma(warning(disable:__VA_ARGS__));
  52
  53 #define PRAGMA_WARNING_POP() __pragma(warning(pop))
  54
  55 #if defined(_WIN32)
  56 #if defined(_WIN64)
  57 #define BitScanReverseSizeT BitScanReverse64
  58 #define BitScanForwardSizeT BitScanForward64
  59 #define _mm_popcount_sizeT _mm_popcnt_u64
  60 #else
  61 #define BitScanReverseSizeT BitScanReverse
  62 #define BitScanForwardSizeT BitScanForward
  63 #define _mm_popcount_sizeT _mm_popcnt_u32
  64 #endif
  65 #endif
  66
  67 #elif defined(FORCE_LINUX) || defined(__linux__) || defined(__gnu_linux__)
  68
  69 #define SWR_API
  70
  71 #include <stdlib.h>
  72 #include <string.h>
  73 #include <x86intrin.h>
  74 #include <stdint.h>
  75 #include <sys/types.h>
  76 #include <unistd.h>
  77 #include <sys/stat.h>
  78 #include <stdio.h>
  79
  80 typedef void            VOID;
  81 typedef void*           LPVOID;
  82 typedef int             INT;
  83 typedef unsigned int    UINT;
  84 typedef void*           HANDLE;
  85 typedef int             LONG;
  86 typedef unsigned int    DWORD;
  87
  88 #undef FALSE
  89 #define FALSE 0
  90
  91 #undef TRUE
  92 #define TRUE 1
  93
  94 #define OSALIGN(RWORD, WIDTH) RWORD __attribute__((aligned(WIDTH)))
  95 #define THREAD __thread
  96 #ifndef INLINE
  97 #define INLINE __inline
  98 #endif
  99 #define DEBUGBREAK asm ("int $3")
 100 #if !defined(__CYGWIN__)
 101 #define __cdecl
 102 #define __stdcall
 103 #define __declspec(X)
 104 #endif
 105
 106 #define GCC_VERSION (__GNUC__ * 10000 \
 107                      + __GNUC_MINOR__ * 100 \
 108                      + __GNUC_PATCHLEVEL__)
 109
 110 #if !defined(__clang__) && (__GNUC__) && (GCC_VERSION < 40500)
 111 inline
 112 uint64_t __rdtsc()
 113 {
 114     long low, high;
 115     asm volatile("rdtsc" : "=a"(low), "=d"(high));
 116     return (low | ((uint64_t)high << 32));
 117 }
 118 #endif
 119
 120 #ifndef __clang__
 121 // Intrinsic not defined in gcc
 122 static INLINE
 123 void _mm256_storeu2_m128i(__m128i *hi, __m128i *lo, __m256i a)
 124 {
 125     _mm_storeu_si128((__m128i*)lo, _mm256_castsi256_si128(a));
 126     _mm_storeu_si128((__m128i*)hi, _mm256_extractf128_si256(a, 0x1));
 127 }
 128 #endif
 129
 130 inline
 131 unsigned char _BitScanForward(unsigned long *Index, unsigned long Mask)
 132 {
 133     *Index = __builtin_ctz(Mask);
 134     return (Mask != 0);
 135 }
 136
 137 inline
 138 unsigned char _BitScanForward(unsigned int *Index, unsigned int Mask)
 139 {
 140     *Index = __builtin_ctz(Mask);
 141     return (Mask != 0);
 142 }
 143
 144 inline
 145 unsigned char _BitScanReverse(unsigned long *Index, unsigned long Mask)
 146 {
 147     *Index = __builtin_clz(Mask);
 148     return (Mask != 0);
 149 }
 150
 151 inline
 152 unsigned char _BitScanReverse(unsigned int *Index, unsigned int Mask)
 153 {
 154     *Index = __builtin_clz(Mask);
 155     return (Mask != 0);
 156 }
 157
 158 inline
 159 void *_aligned_malloc(unsigned int size, unsigned int alignment)
 160 {
 161     void *ret;
 162     if (posix_memalign(&ret, alignment, size))
 163     {
 164         return NULL;
 165     }
 166     return ret;
 167 }
 168
 169 inline
 170 unsigned char _bittest(const LONG *a, LONG b)
 171 {
 172     return ((*(unsigned *)(a) & (1 << b)) != 0);
 173 }
 174
 175 #define GetCurrentProcessId getpid
 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 #if KNOB_SIMD_WIDTH == 8
 203 #define OSALIGNSIMD(RWORD) OSALIGN(RWORD, 32)
 204 #endif
 205
 206 #include "common/swr_assert.h"
 207
 208 #endif//__SWR_OS_H__