| 1 | #ifndef __khrplatform_h_
|
|---|
| 2 | #define __khrplatform_h_
|
|---|
| 3 | #ifndef RT_WITHOUT_PRAGMA_ONCE
|
|---|
| 4 | # pragma once
|
|---|
| 5 | #endif
|
|---|
| 6 |
|
|---|
| 7 | /*
|
|---|
| 8 | ** Copyright (c) 2008-2018 The Khronos Group Inc.
|
|---|
| 9 | **
|
|---|
| 10 | ** Permission is hereby granted, free of charge, to any person obtaining a
|
|---|
| 11 | ** copy of this software and/or associated documentation files (the
|
|---|
| 12 | ** "Materials"), to deal in the Materials without restriction, including
|
|---|
| 13 | ** without limitation the rights to use, copy, modify, merge, publish,
|
|---|
| 14 | ** distribute, sublicense, and/or sell copies of the Materials, and to
|
|---|
| 15 | ** permit persons to whom the Materials are furnished to do so, subject to
|
|---|
| 16 | ** the following conditions:
|
|---|
| 17 | **
|
|---|
| 18 | ** The above copyright notice and this permission notice shall be included
|
|---|
| 19 | ** in all copies or substantial portions of the Materials.
|
|---|
| 20 | **
|
|---|
| 21 | ** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|---|
| 22 | ** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|---|
| 23 | ** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
|---|
| 24 | ** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
|---|
| 25 | ** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
|---|
| 26 | ** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
|---|
| 27 | ** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
|
|---|
| 28 | */
|
|---|
| 29 |
|
|---|
| 30 | /* Khronos platform-specific types and definitions.
|
|---|
| 31 | *
|
|---|
| 32 | * The master copy of khrplatform.h is maintained in the Khronos EGL
|
|---|
| 33 | * Registry repository at https://github.com/KhronosGroup/EGL-Registry
|
|---|
| 34 | * The last semantic modification to khrplatform.h was at commit ID:
|
|---|
| 35 | * 67a3e0864c2d75ea5287b9f3d2eb74a745936692
|
|---|
| 36 | *
|
|---|
| 37 | * Adopters may modify this file to suit their platform. Adopters are
|
|---|
| 38 | * encouraged to submit platform specific modifications to the Khronos
|
|---|
| 39 | * group so that they can be included in future versions of this file.
|
|---|
| 40 | * Please submit changes by filing pull requests or issues on
|
|---|
| 41 | * the EGL Registry repository linked above.
|
|---|
| 42 | *
|
|---|
| 43 | *
|
|---|
| 44 | * See the Implementer's Guidelines for information about where this file
|
|---|
| 45 | * should be located on your system and for more details of its use:
|
|---|
| 46 | * http://www.khronos.org/registry/implementers_guide.pdf
|
|---|
| 47 | *
|
|---|
| 48 | * This file should be included as
|
|---|
| 49 | * #include <KHR/khrplatform.h>
|
|---|
| 50 | * by Khronos client API header files that use its types and defines.
|
|---|
| 51 | *
|
|---|
| 52 | * The types in khrplatform.h should only be used to define API-specific types.
|
|---|
| 53 | *
|
|---|
| 54 | * Types defined in khrplatform.h:
|
|---|
| 55 | * khronos_int8_t signed 8 bit
|
|---|
| 56 | * khronos_uint8_t unsigned 8 bit
|
|---|
| 57 | * khronos_int16_t signed 16 bit
|
|---|
| 58 | * khronos_uint16_t unsigned 16 bit
|
|---|
| 59 | * khronos_int32_t signed 32 bit
|
|---|
| 60 | * khronos_uint32_t unsigned 32 bit
|
|---|
| 61 | * khronos_int64_t signed 64 bit
|
|---|
| 62 | * khronos_uint64_t unsigned 64 bit
|
|---|
| 63 | * khronos_intptr_t signed same number of bits as a pointer
|
|---|
| 64 | * khronos_uintptr_t unsigned same number of bits as a pointer
|
|---|
| 65 | * khronos_ssize_t signed size
|
|---|
| 66 | * khronos_usize_t unsigned size
|
|---|
| 67 | * khronos_float_t signed 32 bit floating point
|
|---|
| 68 | * khronos_time_ns_t unsigned 64 bit time in nanoseconds
|
|---|
| 69 | * khronos_utime_nanoseconds_t unsigned time interval or absolute time in
|
|---|
| 70 | * nanoseconds
|
|---|
| 71 | * khronos_stime_nanoseconds_t signed time interval in nanoseconds
|
|---|
| 72 | * khronos_boolean_enum_t enumerated boolean type. This should
|
|---|
| 73 | * only be used as a base type when a client API's boolean type is
|
|---|
| 74 | * an enum. Client APIs which use an integer or other type for
|
|---|
| 75 | * booleans cannot use this as the base type for their boolean.
|
|---|
| 76 | *
|
|---|
| 77 | * Tokens defined in khrplatform.h:
|
|---|
| 78 | *
|
|---|
| 79 | * KHRONOS_FALSE, KHRONOS_TRUE Enumerated boolean false/true values.
|
|---|
| 80 | *
|
|---|
| 81 | * KHRONOS_SUPPORT_INT64 is 1 if 64 bit integers are supported; otherwise 0.
|
|---|
| 82 | * KHRONOS_SUPPORT_FLOAT is 1 if floats are supported; otherwise 0.
|
|---|
| 83 | *
|
|---|
| 84 | * Calling convention macros defined in this file:
|
|---|
| 85 | * KHRONOS_APICALL
|
|---|
| 86 | * KHRONOS_APIENTRY
|
|---|
| 87 | * KHRONOS_APIATTRIBUTES
|
|---|
| 88 | *
|
|---|
| 89 | * These may be used in function prototypes as:
|
|---|
| 90 | *
|
|---|
| 91 | * KHRONOS_APICALL void KHRONOS_APIENTRY funcname(
|
|---|
| 92 | * int arg1,
|
|---|
| 93 | * int arg2) KHRONOS_APIATTRIBUTES;
|
|---|
| 94 | */
|
|---|
| 95 |
|
|---|
| 96 | #if defined(__SCITECH_SNAP__) && !defined(KHRONOS_STATIC)
|
|---|
| 97 | # define KHRONOS_STATIC 1
|
|---|
| 98 | #endif
|
|---|
| 99 |
|
|---|
| 100 | /*-------------------------------------------------------------------------
|
|---|
| 101 | * Definition of KHRONOS_APICALL
|
|---|
| 102 | *-------------------------------------------------------------------------
|
|---|
| 103 | * This precedes the return type of the function in the function prototype.
|
|---|
| 104 | */
|
|---|
| 105 | #if defined(KHRONOS_STATIC)
|
|---|
| 106 | /* If the preprocessor constant KHRONOS_STATIC is defined, make the
|
|---|
| 107 | * header compatible with static linking. */
|
|---|
| 108 | # define KHRONOS_APICALL
|
|---|
| 109 | #elif defined(_WIN32)
|
|---|
| 110 | # define KHRONOS_APICALL __declspec(dllimport)
|
|---|
| 111 | #elif defined (__SYMBIAN32__)
|
|---|
| 112 | # define KHRONOS_APICALL IMPORT_C
|
|---|
| 113 | #elif defined(__ANDROID__)
|
|---|
| 114 | # define KHRONOS_APICALL __attribute__((visibility("default")))
|
|---|
| 115 | #else
|
|---|
| 116 | # define KHRONOS_APICALL
|
|---|
| 117 | #endif
|
|---|
| 118 |
|
|---|
| 119 | /*-------------------------------------------------------------------------
|
|---|
| 120 | * Definition of KHRONOS_APIENTRY
|
|---|
| 121 | *-------------------------------------------------------------------------
|
|---|
| 122 | * This follows the return type of the function and precedes the function
|
|---|
| 123 | * name in the function prototype.
|
|---|
| 124 | */
|
|---|
| 125 | #if defined(_WIN32) && !defined(_WIN32_WCE) && !defined(__SCITECH_SNAP__)
|
|---|
| 126 | /* Win32 but not WinCE */
|
|---|
| 127 | # define KHRONOS_APIENTRY __stdcall
|
|---|
| 128 | #else
|
|---|
| 129 | # define KHRONOS_APIENTRY
|
|---|
| 130 | #endif
|
|---|
| 131 |
|
|---|
| 132 | /*-------------------------------------------------------------------------
|
|---|
| 133 | * Definition of KHRONOS_APIATTRIBUTES
|
|---|
| 134 | *-------------------------------------------------------------------------
|
|---|
| 135 | * This follows the closing parenthesis of the function prototype arguments.
|
|---|
| 136 | */
|
|---|
| 137 | #if defined (__ARMCC_2__)
|
|---|
| 138 | #define KHRONOS_APIATTRIBUTES __softfp
|
|---|
| 139 | #else
|
|---|
| 140 | #define KHRONOS_APIATTRIBUTES
|
|---|
| 141 | #endif
|
|---|
| 142 |
|
|---|
| 143 | /*-------------------------------------------------------------------------
|
|---|
| 144 | * basic type definitions
|
|---|
| 145 | *-----------------------------------------------------------------------*/
|
|---|
| 146 | #if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || defined(__GNUC__) || defined(__SCO__) || defined(__USLC__)
|
|---|
| 147 |
|
|---|
| 148 |
|
|---|
| 149 | /*
|
|---|
| 150 | * Using <stdint.h>
|
|---|
| 151 | */
|
|---|
| 152 | #include <stdint.h>
|
|---|
| 153 | typedef int32_t khronos_int32_t;
|
|---|
| 154 | typedef uint32_t khronos_uint32_t;
|
|---|
| 155 | typedef int64_t khronos_int64_t;
|
|---|
| 156 | typedef uint64_t khronos_uint64_t;
|
|---|
| 157 | #define KHRONOS_SUPPORT_INT64 1
|
|---|
| 158 | #define KHRONOS_SUPPORT_FLOAT 1
|
|---|
| 159 | /*
|
|---|
| 160 | * To support platform where unsigned long cannot be used interchangeably with
|
|---|
| 161 | * inptr_t (e.g. CHERI-extended ISAs), we can use the stdint.h intptr_t.
|
|---|
| 162 | * Ideally, we could just use (u)intptr_t everywhere, but this could result in
|
|---|
| 163 | * ABI breakage if khronos_uintptr_t is changed from unsigned long to
|
|---|
| 164 | * unsigned long long or similar (this results in different C++ name mangling).
|
|---|
| 165 | * To avoid changes for existing platforms, we restrict usage of intptr_t to
|
|---|
| 166 | * platforms where the size of a pointer is larger than the size of long.
|
|---|
| 167 | */
|
|---|
| 168 | #if defined(__SIZEOF_LONG__) && defined(__SIZEOF_POINTER__)
|
|---|
| 169 | #if __SIZEOF_POINTER__ > __SIZEOF_LONG__
|
|---|
| 170 | #define KHRONOS_USE_INTPTR_T
|
|---|
| 171 | #endif
|
|---|
| 172 | #endif
|
|---|
| 173 |
|
|---|
| 174 | #elif defined(__VMS ) || defined(__sgi)
|
|---|
| 175 |
|
|---|
| 176 | /*
|
|---|
| 177 | * Using <inttypes.h>
|
|---|
| 178 | */
|
|---|
| 179 | #include <inttypes.h>
|
|---|
| 180 | typedef int32_t khronos_int32_t;
|
|---|
| 181 | typedef uint32_t khronos_uint32_t;
|
|---|
| 182 | typedef int64_t khronos_int64_t;
|
|---|
| 183 | typedef uint64_t khronos_uint64_t;
|
|---|
| 184 | #define KHRONOS_SUPPORT_INT64 1
|
|---|
| 185 | #define KHRONOS_SUPPORT_FLOAT 1
|
|---|
| 186 |
|
|---|
| 187 | #elif defined(_WIN32) && !defined(__SCITECH_SNAP__)
|
|---|
| 188 |
|
|---|
| 189 | /*
|
|---|
| 190 | * Win32
|
|---|
| 191 | */
|
|---|
| 192 | typedef __int32 khronos_int32_t;
|
|---|
| 193 | typedef unsigned __int32 khronos_uint32_t;
|
|---|
| 194 | typedef __int64 khronos_int64_t;
|
|---|
| 195 | typedef unsigned __int64 khronos_uint64_t;
|
|---|
| 196 | #define KHRONOS_SUPPORT_INT64 1
|
|---|
| 197 | #define KHRONOS_SUPPORT_FLOAT 1
|
|---|
| 198 |
|
|---|
| 199 | #elif defined(__sun__) || defined(__digital__)
|
|---|
| 200 |
|
|---|
| 201 | /*
|
|---|
| 202 | * Sun or Digital
|
|---|
| 203 | */
|
|---|
| 204 | typedef int khronos_int32_t;
|
|---|
| 205 | typedef unsigned int khronos_uint32_t;
|
|---|
| 206 | #if defined(__arch64__) || defined(_LP64)
|
|---|
| 207 | typedef long int khronos_int64_t;
|
|---|
| 208 | typedef unsigned long int khronos_uint64_t;
|
|---|
| 209 | #else
|
|---|
| 210 | typedef long long int khronos_int64_t;
|
|---|
| 211 | typedef unsigned long long int khronos_uint64_t;
|
|---|
| 212 | #endif /* __arch64__ */
|
|---|
| 213 | #define KHRONOS_SUPPORT_INT64 1
|
|---|
| 214 | #define KHRONOS_SUPPORT_FLOAT 1
|
|---|
| 215 |
|
|---|
| 216 | #elif 0
|
|---|
| 217 |
|
|---|
| 218 | /*
|
|---|
| 219 | * Hypothetical platform with no float or int64 support
|
|---|
| 220 | */
|
|---|
| 221 | typedef int khronos_int32_t;
|
|---|
| 222 | typedef unsigned int khronos_uint32_t;
|
|---|
| 223 | #define KHRONOS_SUPPORT_INT64 0
|
|---|
| 224 | #define KHRONOS_SUPPORT_FLOAT 0
|
|---|
| 225 |
|
|---|
| 226 | #else
|
|---|
| 227 |
|
|---|
| 228 | /*
|
|---|
| 229 | * Generic fallback
|
|---|
| 230 | */
|
|---|
| 231 | #include <stdint.h>
|
|---|
| 232 | typedef int32_t khronos_int32_t;
|
|---|
| 233 | typedef uint32_t khronos_uint32_t;
|
|---|
| 234 | typedef int64_t khronos_int64_t;
|
|---|
| 235 | typedef uint64_t khronos_uint64_t;
|
|---|
| 236 | #define KHRONOS_SUPPORT_INT64 1
|
|---|
| 237 | #define KHRONOS_SUPPORT_FLOAT 1
|
|---|
| 238 |
|
|---|
| 239 | #endif
|
|---|
| 240 |
|
|---|
| 241 |
|
|---|
| 242 | /*
|
|---|
| 243 | * Types that are (so far) the same on all platforms
|
|---|
| 244 | */
|
|---|
| 245 | typedef signed char khronos_int8_t;
|
|---|
| 246 | typedef unsigned char khronos_uint8_t;
|
|---|
| 247 | typedef signed short int khronos_int16_t;
|
|---|
| 248 | typedef unsigned short int khronos_uint16_t;
|
|---|
| 249 |
|
|---|
| 250 | /*
|
|---|
| 251 | * Types that differ between LLP64 and LP64 architectures - in LLP64,
|
|---|
| 252 | * pointers are 64 bits, but 'long' is still 32 bits. Win64 appears
|
|---|
| 253 | * to be the only LLP64 architecture in current use.
|
|---|
| 254 | */
|
|---|
| 255 | #ifdef KHRONOS_USE_INTPTR_T
|
|---|
| 256 | typedef intptr_t khronos_intptr_t;
|
|---|
| 257 | typedef uintptr_t khronos_uintptr_t;
|
|---|
| 258 | #elif defined(_WIN64)
|
|---|
| 259 | typedef signed long long int khronos_intptr_t;
|
|---|
| 260 | typedef unsigned long long int khronos_uintptr_t;
|
|---|
| 261 | #else
|
|---|
| 262 | typedef signed long int khronos_intptr_t;
|
|---|
| 263 | typedef unsigned long int khronos_uintptr_t;
|
|---|
| 264 | #endif
|
|---|
| 265 |
|
|---|
| 266 | #if defined(_WIN64)
|
|---|
| 267 | typedef signed long long int khronos_ssize_t;
|
|---|
| 268 | typedef unsigned long long int khronos_usize_t;
|
|---|
| 269 | #else
|
|---|
| 270 | typedef signed long int khronos_ssize_t;
|
|---|
| 271 | typedef unsigned long int khronos_usize_t;
|
|---|
| 272 | #endif
|
|---|
| 273 |
|
|---|
| 274 | #if KHRONOS_SUPPORT_FLOAT
|
|---|
| 275 | /*
|
|---|
| 276 | * Float type
|
|---|
| 277 | */
|
|---|
| 278 | typedef float khronos_float_t;
|
|---|
| 279 | #endif
|
|---|
| 280 |
|
|---|
| 281 | #if KHRONOS_SUPPORT_INT64
|
|---|
| 282 | /* Time types
|
|---|
| 283 | *
|
|---|
| 284 | * These types can be used to represent a time interval in nanoseconds or
|
|---|
| 285 | * an absolute Unadjusted System Time. Unadjusted System Time is the number
|
|---|
| 286 | * of nanoseconds since some arbitrary system event (e.g. since the last
|
|---|
| 287 | * time the system booted). The Unadjusted System Time is an unsigned
|
|---|
| 288 | * 64 bit value that wraps back to 0 every 584 years. Time intervals
|
|---|
| 289 | * may be either signed or unsigned.
|
|---|
| 290 | */
|
|---|
| 291 | typedef khronos_uint64_t khronos_utime_nanoseconds_t;
|
|---|
| 292 | typedef khronos_int64_t khronos_stime_nanoseconds_t;
|
|---|
| 293 | #endif
|
|---|
| 294 |
|
|---|
| 295 | /*
|
|---|
| 296 | * Dummy value used to pad enum types to 32 bits.
|
|---|
| 297 | */
|
|---|
| 298 | #ifndef KHRONOS_MAX_ENUM
|
|---|
| 299 | #define KHRONOS_MAX_ENUM 0x7FFFFFFF
|
|---|
| 300 | #endif
|
|---|
| 301 |
|
|---|
| 302 | /*
|
|---|
| 303 | * Enumerated boolean type
|
|---|
| 304 | *
|
|---|
| 305 | * Values other than zero should be considered to be true. Therefore
|
|---|
| 306 | * comparisons should not be made against KHRONOS_TRUE.
|
|---|
| 307 | */
|
|---|
| 308 | typedef enum {
|
|---|
| 309 | KHRONOS_FALSE = 0,
|
|---|
| 310 | KHRONOS_TRUE = 1,
|
|---|
| 311 | KHRONOS_BOOLEAN_ENUM_FORCE_SIZE = KHRONOS_MAX_ENUM
|
|---|
| 312 | } khronos_boolean_enum_t;
|
|---|
| 313 |
|
|---|
| 314 | #endif /* !__khrplatform_h_ */
|
|---|
