SDL_opengles2_khrplatform.h (10022B)
1#ifndef __khrplatform_h_ 2#define __khrplatform_h_ 3 4/* 5** Copyright (c) 2008-2009 The Khronos Group Inc. 6** 7** Permission is hereby granted, free of charge, to any person obtaining a 8** copy of this software and/or associated documentation files (the 9** "Materials"), to deal in the Materials without restriction, including 10** without limitation the rights to use, copy, modify, merge, publish, 11** distribute, sublicense, and/or sell copies of the Materials, and to 12** permit persons to whom the Materials are furnished to do so, subject to 13** the following conditions: 14** 15** The above copyright notice and this permission notice shall be included 16** in all copies or substantial portions of the Materials. 17** 18** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 19** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 21** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY 22** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS. 25*/ 26 27/* Khronos platform-specific types and definitions. 28 * 29 * $Revision: 23298 $ on $Date: 2013-09-30 17:07:13 -0700 (Mon, 30 Sep 2013) $ 30 * 31 * Adopters may modify this file to suit their platform. Adopters are 32 * encouraged to submit platform specific modifications to the Khronos 33 * group so that they can be included in future versions of this file. 34 * Please submit changes by sending them to the public Khronos Bugzilla 35 * (http://khronos.org/bugzilla) by filing a bug against product 36 * "Khronos (general)" component "Registry". 37 * 38 * A predefined template which fills in some of the bug fields can be 39 * reached using http://tinyurl.com/khrplatform-h-bugreport, but you 40 * must create a Bugzilla login first. 41 * 42 * 43 * See the Implementer's Guidelines for information about where this file 44 * should be located on your system and for more details of its use: 45 * http://www.khronos.org/registry/implementers_guide.pdf 46 * 47 * This file should be included as 48 * #include <KHR/khrplatform.h> 49 * by Khronos client API header files that use its types and defines. 50 * 51 * The types in khrplatform.h should only be used to define API-specific types. 52 * 53 * Types defined in khrplatform.h: 54 * khronos_int8_t signed 8 bit 55 * khronos_uint8_t unsigned 8 bit 56 * khronos_int16_t signed 16 bit 57 * khronos_uint16_t unsigned 16 bit 58 * khronos_int32_t signed 32 bit 59 * khronos_uint32_t unsigned 32 bit 60 * khronos_int64_t signed 64 bit 61 * khronos_uint64_t unsigned 64 bit 62 * khronos_intptr_t signed same number of bits as a pointer 63 * khronos_uintptr_t unsigned same number of bits as a pointer 64 * khronos_ssize_t signed size 65 * khronos_usize_t unsigned size 66 * khronos_float_t signed 32 bit floating point 67 * khronos_time_ns_t unsigned 64 bit time in nanoseconds 68 * khronos_utime_nanoseconds_t unsigned time interval or absolute time in 69 * nanoseconds 70 * khronos_stime_nanoseconds_t signed time interval in nanoseconds 71 * khronos_boolean_enum_t enumerated boolean type. This should 72 * only be used as a base type when a client API's boolean type is 73 * an enum. Client APIs which use an integer or other type for 74 * booleans cannot use this as the base type for their boolean. 75 * 76 * Tokens defined in khrplatform.h: 77 * 78 * KHRONOS_FALSE, KHRONOS_TRUE Enumerated boolean false/true values. 79 * 80 * KHRONOS_SUPPORT_INT64 is 1 if 64 bit integers are supported; otherwise 0. 81 * KHRONOS_SUPPORT_FLOAT is 1 if floats are supported; otherwise 0. 82 * 83 * Calling convention macros defined in this file: 84 * KHRONOS_APICALL 85 * KHRONOS_APIENTRY 86 * KHRONOS_APIATTRIBUTES 87 * 88 * These may be used in function prototypes as: 89 * 90 * KHRONOS_APICALL void KHRONOS_APIENTRY funcname( 91 * int arg1, 92 * int arg2) KHRONOS_APIATTRIBUTES; 93 */ 94 95/*------------------------------------------------------------------------- 96 * Definition of KHRONOS_APICALL 97 *------------------------------------------------------------------------- 98 * This precedes the return type of the function in the function prototype. 99 */ 100#if defined(_WIN32) && !defined(__SCITECH_SNAP__) 101# define KHRONOS_APICALL __declspec(dllimport) 102#elif defined (__SYMBIAN32__) 103# define KHRONOS_APICALL IMPORT_C 104#else 105# define KHRONOS_APICALL 106#endif 107 108/*------------------------------------------------------------------------- 109 * Definition of KHRONOS_APIENTRY 110 *------------------------------------------------------------------------- 111 * This follows the return type of the function and precedes the function 112 * name in the function prototype. 113 */ 114#if defined(_WIN32) && !defined(_WIN32_WCE) && !defined(__SCITECH_SNAP__) 115 /* Win32 but not WinCE */ 116# define KHRONOS_APIENTRY __stdcall 117#else 118# define KHRONOS_APIENTRY 119#endif 120 121/*------------------------------------------------------------------------- 122 * Definition of KHRONOS_APIATTRIBUTES 123 *------------------------------------------------------------------------- 124 * This follows the closing parenthesis of the function prototype arguments. 125 */ 126#if defined (__ARMCC_2__) 127#define KHRONOS_APIATTRIBUTES __softfp 128#else 129#define KHRONOS_APIATTRIBUTES 130#endif 131 132/*------------------------------------------------------------------------- 133 * basic type definitions 134 *-----------------------------------------------------------------------*/ 135#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || defined(__GNUC__) || defined(__SCO__) || defined(__USLC__) 136 137 138/* 139 * Using <stdint.h> 140 */ 141#include <stdint.h> 142typedef int32_t khronos_int32_t; 143typedef uint32_t khronos_uint32_t; 144typedef int64_t khronos_int64_t; 145typedef uint64_t khronos_uint64_t; 146#define KHRONOS_SUPPORT_INT64 1 147#define KHRONOS_SUPPORT_FLOAT 1 148 149#elif defined(__VMS ) || defined(__sgi) 150 151/* 152 * Using <inttypes.h> 153 */ 154#include <inttypes.h> 155typedef int32_t khronos_int32_t; 156typedef uint32_t khronos_uint32_t; 157typedef int64_t khronos_int64_t; 158typedef uint64_t khronos_uint64_t; 159#define KHRONOS_SUPPORT_INT64 1 160#define KHRONOS_SUPPORT_FLOAT 1 161 162#elif defined(_WIN32) && !defined(__SCITECH_SNAP__) 163 164/* 165 * Win32 166 */ 167typedef __int32 khronos_int32_t; 168typedef unsigned __int32 khronos_uint32_t; 169typedef __int64 khronos_int64_t; 170typedef unsigned __int64 khronos_uint64_t; 171#define KHRONOS_SUPPORT_INT64 1 172#define KHRONOS_SUPPORT_FLOAT 1 173 174#elif defined(__sun__) || defined(__digital__) 175 176/* 177 * Sun or Digital 178 */ 179typedef int khronos_int32_t; 180typedef unsigned int khronos_uint32_t; 181#if defined(__arch64__) || defined(_LP64) 182typedef long int khronos_int64_t; 183typedef unsigned long int khronos_uint64_t; 184#else 185typedef long long int khronos_int64_t; 186typedef unsigned long long int khronos_uint64_t; 187#endif /* __arch64__ */ 188#define KHRONOS_SUPPORT_INT64 1 189#define KHRONOS_SUPPORT_FLOAT 1 190 191#elif 0 192 193/* 194 * Hypothetical platform with no float or int64 support 195 */ 196typedef int khronos_int32_t; 197typedef unsigned int khronos_uint32_t; 198#define KHRONOS_SUPPORT_INT64 0 199#define KHRONOS_SUPPORT_FLOAT 0 200 201#else 202 203/* 204 * Generic fallback 205 */ 206#include <stdint.h> 207typedef int32_t khronos_int32_t; 208typedef uint32_t khronos_uint32_t; 209typedef int64_t khronos_int64_t; 210typedef uint64_t khronos_uint64_t; 211#define KHRONOS_SUPPORT_INT64 1 212#define KHRONOS_SUPPORT_FLOAT 1 213 214#endif 215 216 217/* 218 * Types that are (so far) the same on all platforms 219 */ 220typedef signed char khronos_int8_t; 221typedef unsigned char khronos_uint8_t; 222typedef signed short int khronos_int16_t; 223typedef unsigned short int khronos_uint16_t; 224 225/* 226 * Types that differ between LLP64 and LP64 architectures - in LLP64, 227 * pointers are 64 bits, but 'long' is still 32 bits. Win64 appears 228 * to be the only LLP64 architecture in current use. 229 */ 230#ifdef _WIN64 231typedef signed long long int khronos_intptr_t; 232typedef unsigned long long int khronos_uintptr_t; 233typedef signed long long int khronos_ssize_t; 234typedef unsigned long long int khronos_usize_t; 235#else 236typedef signed long int khronos_intptr_t; 237typedef unsigned long int khronos_uintptr_t; 238typedef signed long int khronos_ssize_t; 239typedef unsigned long int khronos_usize_t; 240#endif 241 242#if KHRONOS_SUPPORT_FLOAT 243/* 244 * Float type 245 */ 246typedef float khronos_float_t; 247#endif 248 249#if KHRONOS_SUPPORT_INT64 250/* Time types 251 * 252 * These types can be used to represent a time interval in nanoseconds or 253 * an absolute Unadjusted System Time. Unadjusted System Time is the number 254 * of nanoseconds since some arbitrary system event (e.g. since the last 255 * time the system booted). The Unadjusted System Time is an unsigned 256 * 64 bit value that wraps back to 0 every 584 years. Time intervals 257 * may be either signed or unsigned. 258 */ 259typedef khronos_uint64_t khronos_utime_nanoseconds_t; 260typedef khronos_int64_t khronos_stime_nanoseconds_t; 261#endif 262 263/* 264 * Dummy value used to pad enum types to 32 bits. 265 */ 266#ifndef KHRONOS_MAX_ENUM 267#define KHRONOS_MAX_ENUM 0x7FFFFFFF 268#endif 269 270/* 271 * Enumerated boolean type 272 * 273 * Values other than zero should be considered to be true. Therefore 274 * comparisons should not be made against KHRONOS_TRUE. 275 */ 276typedef enum { 277 KHRONOS_FALSE = 0, 278 KHRONOS_TRUE = 1, 279 KHRONOS_BOOLEAN_ENUM_FORCE_SIZE = KHRONOS_MAX_ENUM 280} khronos_boolean_enum_t; 281 282#endif /* __khrplatform_h_ */