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/* Platform-specific types and definitions. 28 * $Revision: 7244 $ on $Date: 2009-01-20 17:06:59 -0800 (Tue, 20 Jan 2009) $ 29 * 30 * Adopters may modify this file to suit their platform. Adopters are 31 * encouraged to submit platform specific modifications to the Khronos 32 * group so that they can be included in future versions of this file. 33 * Please submit changes by sending them to the public Khronos Bugzilla 34 * (http://khronos.org/bugzilla) by filing a bug against product 35 * "Khronos (general)" component "Registry". 36 * 37 * A predefined template which fills in some of the bug fields can be 38 * reached using http://tinyurl.com/khrplatform-h-bugreport, but you 39 * must create a Bugzilla login first. 40 * 41 * 42 * See the Implementer's Guidelines for information about where this file 43 * should be located on your system. 44 * http://www.khronos.org/registry/implementers_guide.pdf 45 * 46 * 47 * This file should be included as 48 * #include <KHR/khrplatform.h> 49 * by the Khronos API header file that uses its types and defines. 50 * 51 * The types in this file should only be used to define API-specific types. 52 * Types defined in this file: 53 * khronos_int8_t signed 8 bit 54 * khronos_uint8_t unsigned 8 bit 55 * khronos_int16_t signed 16 bit 56 * khronos_uint16_t unsigned 16 bit 57 * khronos_int32_t signed 32 bit 58 * khronos_uint32_t unsigned 32 bit 59 * khronos_int64_t signed 64 bit 60 * khronos_uint64_t unsigned 64 bit 61 * khronos_intptr_t signed same number of bits as a pointer 62 * khronos_uintptr_t unsigned same number of bits as a pointer 63 * khronos_ssize_t signed size 64 * khronos_usize_t unsigned size 65 * khronos_float_t signed 32 bit floating point 66 * khronos_time_ns_t unsigned 64 bit time in nanoseconds 67 * khronos_utime_nanoseconds_t unsigned time interval or absolute time in 68 * nanoseconds 69 * khronos_stime_nanoseconds_t signed time interval in nanoseconds 70 * 71 * KHRONOS_SUPPORT_INT64 is 1 if 64 bit integers are supported; otherwise 0. 72 * KHRONOS_SUPPORT_FLOAT is 1 if floats are supported; otherwise 0. 73 * 74 * 75 * Macros defined in this file: 76 * KHRONOS_APICALL 77 * KHRONOS_APIENTRY 78 * KHRONOS_APIATTRIBUTES 79 * These may be used in function prototypes as: 80 * KHRONOS_APICALL void KHRONOS_APIENTRY funcname( 81 * int arg1, 82 * int arg2) KHRONOS_APIATTRIBUTES; 83 */ 84 85/*------------------------------------------------------------------------- 86 * Definition of KHRONOS_APICALL 87 *------------------------------------------------------------------------- 88 * This precedes the return type of the function in the function prototype. 89 */ 90#if defined(_WIN32) && !defined(__SCITECH_SNAP__) 91# define KHRONOS_APICALL __declspec(dllimport) 92#elif defined (__SYMBIAN32__) 93# define KHRONOS_APICALL IMPORT_C 94#elif defined(__ANDROID__) 95# include <sys/cdefs.h> 96# define KHRONOS_APICALL __attribute__((visibility("default"))) __NDK_FPABI__ 97#else 98# define KHRONOS_APICALL 99#endif 100 101/*------------------------------------------------------------------------- 102 * Definition of KHRONOS_APIENTRY 103 *------------------------------------------------------------------------- 104 * This follows the return type of the function and precedes the function 105 * name in the function prototype. 106 */ 107#if defined(_WIN32) && !defined(_WIN32_WCE) && !defined(__SCITECH_SNAP__) 108 /* Win32 but not WinCE */ 109# define KHRONOS_APIENTRY __stdcall 110#else 111# define KHRONOS_APIENTRY 112#endif 113 114/*------------------------------------------------------------------------- 115 * Definition of KHRONOS_APIATTRIBUTES 116 *------------------------------------------------------------------------- 117 * This follows the closing parenthesis of the function prototype arguments. 118 */ 119#if defined (__ARMCC_2__) 120#define KHRONOS_APIATTRIBUTES __softfp 121#else 122#define KHRONOS_APIATTRIBUTES 123#endif 124 125/*------------------------------------------------------------------------- 126 * basic type definitions 127 *-----------------------------------------------------------------------*/ 128#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || defined(__GNUC__) || defined(__SCO__) || defined(__USLC__) 129 130 131/* 132 * Using <stdint.h> 133 */ 134#include <stdint.h> 135typedef int32_t khronos_int32_t; 136typedef uint32_t khronos_uint32_t; 137typedef int64_t khronos_int64_t; 138typedef uint64_t khronos_uint64_t; 139#define KHRONOS_SUPPORT_INT64 1 140#define KHRONOS_SUPPORT_FLOAT 1 141 142#elif defined(__VMS ) || defined(__sgi) 143 144/* 145 * Using <inttypes.h> 146 */ 147#include <inttypes.h> 148typedef int32_t khronos_int32_t; 149typedef uint32_t khronos_uint32_t; 150typedef int64_t khronos_int64_t; 151typedef uint64_t khronos_uint64_t; 152#define KHRONOS_SUPPORT_INT64 1 153#define KHRONOS_SUPPORT_FLOAT 1 154 155#elif defined(_WIN32) && !defined(__SCITECH_SNAP__) 156 157/* 158 * Win32 159 */ 160typedef __int32 khronos_int32_t; 161typedef unsigned __int32 khronos_uint32_t; 162typedef __int64 khronos_int64_t; 163typedef unsigned __int64 khronos_uint64_t; 164#define KHRONOS_SUPPORT_INT64 1 165#define KHRONOS_SUPPORT_FLOAT 1 166 167#elif defined(__sun__) || defined(__digital__) 168 169/* 170 * Sun or Digital 171 */ 172typedef int khronos_int32_t; 173typedef unsigned int khronos_uint32_t; 174#if defined(__arch64__) || defined(_LP64) 175typedef long int khronos_int64_t; 176typedef unsigned long int khronos_uint64_t; 177#else 178typedef long long int khronos_int64_t; 179typedef unsigned long long int khronos_uint64_t; 180#endif /* __arch64__ */ 181#define KHRONOS_SUPPORT_INT64 1 182#define KHRONOS_SUPPORT_FLOAT 1 183 184#elif 0 185 186/* 187 * Hypothetical platform with no float or int64 support 188 */ 189typedef int khronos_int32_t; 190typedef unsigned int khronos_uint32_t; 191#define KHRONOS_SUPPORT_INT64 0 192#define KHRONOS_SUPPORT_FLOAT 0 193 194#else 195 196/* 197 * Generic fallback 198 */ 199#include <stdint.h> 200typedef int32_t khronos_int32_t; 201typedef uint32_t khronos_uint32_t; 202typedef int64_t khronos_int64_t; 203typedef uint64_t khronos_uint64_t; 204#define KHRONOS_SUPPORT_INT64 1 205#define KHRONOS_SUPPORT_FLOAT 1 206 207#endif 208 209 210/* 211 * Types that are (so far) the same on all platforms 212 */ 213typedef signed char khronos_int8_t; 214typedef unsigned char khronos_uint8_t; 215typedef signed short int khronos_int16_t; 216typedef unsigned short int khronos_uint16_t; 217typedef signed long int khronos_intptr_t; 218typedef unsigned long int khronos_uintptr_t; 219typedef signed long int khronos_ssize_t; 220typedef unsigned long int khronos_usize_t; 221 222#if KHRONOS_SUPPORT_FLOAT 223/* 224 * Float type 225 */ 226typedef float khronos_float_t; 227#endif 228 229#if KHRONOS_SUPPORT_INT64 230/* Time types 231 * 232 * These types can be used to represent a time interval in nanoseconds or 233 * an absolute Unadjusted System Time. Unadjusted System Time is the number 234 * of nanoseconds since some arbitrary system event (e.g. since the last 235 * time the system booted). The Unadjusted System Time is an unsigned 236 * 64 bit value that wraps back to 0 every 584 years. Time intervals 237 * may be either signed or unsigned. 238 */ 239typedef khronos_uint64_t khronos_utime_nanoseconds_t; 240typedef khronos_int64_t khronos_stime_nanoseconds_t; 241#endif 242 243 244#endif /* __khrplatform_h_ */ 245