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Diffstat (limited to 'libretro-common/include/retro_miscellaneous.h')
-rw-r--r-- | libretro-common/include/retro_miscellaneous.h | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/libretro-common/include/retro_miscellaneous.h b/libretro-common/include/retro_miscellaneous.h new file mode 100644 index 0000000..e526d6e --- /dev/null +++ b/libretro-common/include/retro_miscellaneous.h @@ -0,0 +1,155 @@ +/* Copyright (C) 2010-2017 The RetroArch team + * + * --------------------------------------------------------------------------------------- + * The following license statement only applies to this file (retro_miscellaneous.h). + * --------------------------------------------------------------------------------------- + * + * Permission is hereby granted, free of charge, + * to any person obtaining a copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, + * and to permit persons to whom the Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, + * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#ifndef __RARCH_MISCELLANEOUS_H +#define __RARCH_MISCELLANEOUS_H + +#include <stdint.h> +#include <boolean.h> +#include <retro_inline.h> + +#if defined(_WIN32) && !defined(_XBOX) +#ifndef WIN32_LEAN_AND_MEAN +#define WIN32_LEAN_AND_MEAN +#endif +#include <windows.h> +#elif defined(_WIN32) && defined(_XBOX) +#include <Xtl.h> +#endif + +#if defined(__CELLOS_LV2__) +#include <sys/fs_external.h> +#endif + +#include <limits.h> + +#ifdef _MSC_VER +#include <compat/msvc.h> +#endif + +static INLINE void bits_or_bits(uint32_t *a, uint32_t *b, uint32_t count) +{ + uint32_t i; + for (i = 0; i < count;i++) + a[i] |= b[i]; +} + +static INLINE void bits_clear_bits(uint32_t *a, uint32_t *b, uint32_t count) +{ + uint32_t i; + for (i = 0; i < count;i++) + a[i] &= ~b[i]; +} + +static INLINE bool bits_any_set(uint32_t* ptr, uint32_t count) +{ + uint32_t i; + for (i = 0; i < count; i++) + { + if (ptr[i] != 0) + return true; + } + return false; +} + +#ifndef PATH_MAX_LENGTH +#if defined(__CELLOS_LV2__) +#define PATH_MAX_LENGTH CELL_FS_MAX_FS_PATH_LENGTH +#elif defined(_XBOX1) || defined(_3DS) || defined(PSP) || defined(GEKKO)|| defined(WIIU) +#define PATH_MAX_LENGTH 512 +#else +#define PATH_MAX_LENGTH 4096 +#endif +#endif + +#ifndef MAX +#define MAX(a, b) ((a) > (b) ? (a) : (b)) +#endif + +#ifndef MIN +#define MIN(a, b) ((a) < (b) ? (a) : (b)) +#endif + +#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) + +#define BITS_GET_ELEM(a, i) ((a).data[i]) +#define BITS_GET_ELEM_PTR(a, i) ((a)->data[i]) + +#define BIT_SET(a, bit) ((a)[(bit) >> 3] |= (1 << ((bit) & 7))) +#define BIT_CLEAR(a, bit) ((a)[(bit) >> 3] &= ~(1 << ((bit) & 7))) +#define BIT_GET(a, bit) (((a)[(bit) >> 3] >> ((bit) & 7)) & 1) + +#define BIT16_SET(a, bit) ((a) |= (1 << ((bit) & 15))) +#define BIT16_CLEAR(a, bit) ((a) &= ~(1 << ((bit) & 15))) +#define BIT16_GET(a, bit) (((a) >> ((bit) & 15)) & 1) +#define BIT16_CLEAR_ALL(a) ((a) = 0) + +#define BIT32_SET(a, bit) ((a) |= (1 << ((bit) & 31))) +#define BIT32_CLEAR(a, bit) ((a) &= ~(1 << ((bit) & 31))) +#define BIT32_GET(a, bit) (((a) >> ((bit) & 31)) & 1) +#define BIT32_CLEAR_ALL(a) ((a) = 0) + +#define BIT64_SET(a, bit) ((a) |= (UINT64_C(1) << ((bit) & 63))) +#define BIT64_CLEAR(a, bit) ((a) &= ~(UINT64_C(1) << ((bit) & 63))) +#define BIT64_GET(a, bit) (((a) >> ((bit) & 63)) & 1) +#define BIT64_CLEAR_ALL(a) ((a) = 0) + +#define BIT128_SET(a, bit) ((a).data[(bit) >> 5] |= (1 << ((bit) & 31))) +#define BIT128_CLEAR(a, bit) ((a).data[(bit) >> 5] &= ~(1 << ((bit) & 31))) +#define BIT128_GET(a, bit) (((a).data[(bit) >> 5] >> ((bit) & 31)) & 1) +#define BIT128_CLEAR_ALL(a) memset(&(a), 0, sizeof(a)) + +#define BIT128_SET_PTR(a, bit) BIT128_SET(*a, bit) +#define BIT128_CLEAR_PTR(a, bit) BIT128_CLEAR(*a, bit) +#define BIT128_GET_PTR(a, bit) BIT128_GET(*a, bit) +#define BIT128_CLEAR_ALL_PTR(a) BIT128_CLEAR_ALL(*a) + +#define BIT256_SET(a, bit) BIT128_SET(a, bit) +#define BIT256_CLEAR(a, bit) BIT128_CLEAR(a, bit) +#define BIT256_GET(a, bit) BIT128_GET(a, bit) +#define BIT256_CLEAR_ALL(a) BIT128_CLEAR_ALL(a) + +#define BIT256_SET_PTR(a, bit) BIT256_SET(*a, bit) +#define BIT256_CLEAR_PTR(a, bit) BIT256_CLEAR(*a, bit) +#define BIT256_GET_PTR(a, bit) BIT256_GET(*a, bit) +#define BIT256_CLEAR_ALL_PTR(a) BIT256_CLEAR_ALL(*a) + +#define BITS_COPY16_PTR(a,bits) \ +{ \ + BIT128_CLEAR_ALL_PTR(a); \ + BITS_GET_ELEM_PTR(a, 0) = (bits) & 0xffff; \ +} + +#define BITS_COPY32_PTR(a,bits) \ +{ \ + BIT128_CLEAR_ALL_PTR(a); \ + BITS_GET_ELEM_PTR(a, 0) = (bits); \ +} + +/* Helper macros and struct to keep track of many booleans. */ +/* This struct has 256 bits. */ +typedef struct +{ + uint32_t data[8]; +} retro_bits_t; + +#endif |