From 304bab2aced9cae51d2e4c09f3d9e06c66ff175d Mon Sep 17 00:00:00 2001 From: Star Rauchenberger Date: Sun, 20 Mar 2022 13:03:18 -0400 Subject: we can build a window app! build type must be set to Release or it's horribly slow, and fullscreen does not work --- vendor/SDL2/include/SDL_test_crc32.h | 124 +++++++++++++++++++++++++++++++++++ 1 file changed, 124 insertions(+) create mode 100644 vendor/SDL2/include/SDL_test_crc32.h (limited to 'vendor/SDL2/include/SDL_test_crc32.h') diff --git a/vendor/SDL2/include/SDL_test_crc32.h b/vendor/SDL2/include/SDL_test_crc32.h new file mode 100644 index 0000000..049da74 --- /dev/null +++ b/vendor/SDL2/include/SDL_test_crc32.h @@ -0,0 +1,124 @@ +/* + Simple DirectMedia Layer + Copyright (C) 1997-2022 Sam Lantinga + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. +*/ + +/** + * \file SDL_test_crc32.h + * + * Include file for SDL test framework. + * + * This code is a part of the SDL2_test library, not the main SDL library. + */ + +/* + + Implements CRC32 calculations (default output is Perl String::CRC32 compatible). + +*/ + +#ifndef SDL_test_crc32_h_ +#define SDL_test_crc32_h_ + +#include "begin_code.h" +/* Set up for C function definitions, even when using C++ */ +#ifdef __cplusplus +extern "C" { +#endif + + +/* ------------ Definitions --------- */ + +/* Definition shared by all CRC routines */ + +#ifndef CrcUint32 + #define CrcUint32 unsigned int +#endif +#ifndef CrcUint8 + #define CrcUint8 unsigned char +#endif + +#ifdef ORIGINAL_METHOD + #define CRC32_POLY 0x04c11db7 /* AUTODIN II, Ethernet, & FDDI */ +#else + #define CRC32_POLY 0xEDB88320 /* Perl String::CRC32 compatible */ +#endif + +/** + * Data structure for CRC32 (checksum) computation + */ + typedef struct { + CrcUint32 crc32_table[256]; /* CRC table */ + } SDLTest_Crc32Context; + +/* ---------- Function Prototypes ------------- */ + +/** + * \brief Initialize the CRC context + * + * Note: The function initializes the crc table required for all crc calculations. + * + * \param crcContext pointer to context variable + * + * \returns 0 for OK, -1 on error + * + */ + int SDLTest_Crc32Init(SDLTest_Crc32Context * crcContext); + + +/** + * \brief calculate a crc32 from a data block + * + * \param crcContext pointer to context variable + * \param inBuf input buffer to checksum + * \param inLen length of input buffer + * \param crc32 pointer to Uint32 to store the final CRC into + * + * \returns 0 for OK, -1 on error + * + */ +int SDLTest_Crc32Calc(SDLTest_Crc32Context * crcContext, CrcUint8 *inBuf, CrcUint32 inLen, CrcUint32 *crc32); + +/* Same routine broken down into three steps */ +int SDLTest_Crc32CalcStart(SDLTest_Crc32Context * crcContext, CrcUint32 *crc32); +int SDLTest_Crc32CalcEnd(SDLTest_Crc32Context * crcContext, CrcUint32 *crc32); +int SDLTest_Crc32CalcBuffer(SDLTest_Crc32Context * crcContext, CrcUint8 *inBuf, CrcUint32 inLen, CrcUint32 *crc32); + + +/** + * \brief clean up CRC context + * + * \param crcContext pointer to context variable + * + * \returns 0 for OK, -1 on error + * +*/ + +int SDLTest_Crc32Done(SDLTest_Crc32Context * crcContext); + + +/* Ends C function definitions when using C++ */ +#ifdef __cplusplus +} +#endif +#include "close_code.h" + +#endif /* SDL_test_crc32_h_ */ + +/* vi: set ts=4 sw=4 expandtab: */ -- cgit 1.4.1