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 BitScanForwardSizeT BitScanForward64
  58 #define _mm_popcount_sizeT _mm_popcnt_u64
  59 #else
  60 #define BitScanForwardSizeT BitScanForward
  61 #define _mm_popcount_sizeT _mm_popcnt_u32
  62 #endif
  63 #endif
  64
  65 #elif defined(FORCE_LINUX) || defined(__linux__) || defined(__gnu_linux__)
  66
  67 #define SWR_API
  68
  69 #include <stdlib.h>
  70 #include <string.h>
  71 #include <x86intrin.h>
  72 #include <stdint.h>
  73 #include <sys/types.h>
  74 #include <unistd.h>
  75 #include <sys/stat.h>
  76 #include <stdio.h>
  77
  78 typedef void            VOID;
  79 typedef void*           LPVOID;
  80 typedef int             INT;
  81 typedef unsigned int    UINT;
  82 typedef void*           HANDLE;
  83 typedef int             LONG;
  84 typedef unsigned int    DWORD;
  85
  86 #undef FALSE
  87 #define FALSE 0
  88
  89 #undef TRUE
  90 #define TRUE 1
  91
  92 #define OSALIGN(RWORD, WIDTH) RWORD __attribute__((aligned(WIDTH)))
  93 #define THREAD __thread
  94 #ifndef INLINE
  95 #define INLINE __inline
  96 #endif
  97 #define DEBUGBREAK asm ("int $3")
  98 #if !defined(__CYGWIN__)
  99 #define __cdecl
 100 #define __stdcall
 101 #define __declspec(X)
 102 #endif
 103
 104 #define GCC_VERSION (__GNUC__ * 10000 \
 105                      + __GNUC_MINOR__ * 100 \
 106                      + __GNUC_PATCHLEVEL__)
 107
 108 #if !defined(__clang__) && (__GNUC__) && (GCC_VERSION < 40500)
 109 inline
 110 uint64_t __rdtsc()
 111 {
 112     long low, high;
 113     asm volatile("rdtsc" : "=a"(low), "=d"(high));
 114     return (low | ((uint64_t)high << 32));
 115 }
 116 #endif
 117
 118 #ifndef __clang__
 119 // Intrinsic not defined in gcc
 120 static INLINE
 121 void _mm256_storeu2_m128i(__m128i *hi, __m128i *lo, __m256i a)
 122 {
 123     _mm_storeu_si128((__m128i*)lo, _mm256_castsi256_si128(a));
 124     _mm_storeu_si128((__m128i*)hi, _mm256_extractf128_si256(a, 0x1));
 125 }
 126 #endif
 127
 128 inline
 129 unsigned char _BitScanForward(unsigned long *Index, unsigned long Mask)
 130 {
 131     *Index = __builtin_ctz(Mask);
 132     return (Mask != 0);
 133 }
 134
 135 inline
 136 unsigned char _BitScanForward(unsigned int *Index, unsigned int Mask)
 137 {
 138     *Index = __builtin_ctz(Mask);
 139     return (Mask != 0);
 140 }
 141
 142 inline
 143 unsigned char _BitScanReverse(unsigned long *Index, unsigned long Mask)
 144 {
 145     *Index = __builtin_clz(Mask);
 146     return (Mask != 0);
 147 }
 148
 149 inline
 150 unsigned char _BitScanReverse(unsigned int *Index, unsigned int Mask)
 151 {
 152     *Index = __builtin_clz(Mask);
 153     return (Mask != 0);
 154 }
 155
 156 inline
 157 void *_aligned_malloc(unsigned int size, unsigned int alignment)
 158 {
 159     void *ret;
 160     if (posix_memalign(&ret, alignment, size))
 161     {
 162         return NULL;
 163     }
 164     return ret;
 165 }
 166
 167 inline
 168 unsigned char _bittest(const LONG *a, LONG b)
 169 {
 170     return ((*(unsigned *)(a) & (1 << b)) != 0);
 171 }
 172
 173 #define GetCurrentProcessId getpid
 174
 175 #define CreateDirectory(name, pSecurity) mkdir(name, 0777)
 176
 177 #define _aligned_free free
 178 #define InterlockedCompareExchange(Dest, Exchange, Comparand) __sync_val_compare_and_swap(Dest, Comparand, Exchange)
 179 #define InterlockedExchangeAdd(Addend, Value) __sync_fetch_and_add(Addend, Value)
 180 #define InterlockedDecrement(Append) __sync_sub_and_fetch(Append, 1)
 181 #define InterlockedDecrement64(Append) __sync_sub_and_fetch(Append, 1)
 182 #define InterlockedIncrement(Append) __sync_add_and_fetch(Append, 1)
 183 #define _ReadWriteBarrier() asm volatile("" ::: "memory")
 184
 185 #define PRAGMA_WARNING_PUSH_DISABLE(...)
 186 #define PRAGMA_WARNING_POP()
 187
 188 #else
 189
 190 #error Unsupported OS/system.
 191
 192 #endif
 193
 194 // Universal types
 195 typedef uint8_t     KILOBYTE[1024];
 196 typedef KILOBYTE    MEGABYTE[1024];
 197 typedef MEGABYTE    GIGABYTE[1024];
 198
 199 #define OSALIGNLINE(RWORD) OSALIGN(RWORD, 64)
 200 #if KNOB_SIMD_WIDTH == 8
 201 #define OSALIGNSIMD(RWORD) OSALIGN(RWORD, 32)
 202 #endif
 203
 204 #include "common/swr_assert.h"
 205
 206 #endif//__SWR_OS_H__