diff options
Diffstat (limited to 'src/glad/include/KHR/khrplatform.h')
| -rw-r--r-- | src/glad/include/KHR/khrplatform.h | 56 |
1 files changed, 41 insertions, 15 deletions
diff --git a/src/glad/include/KHR/khrplatform.h b/src/glad/include/KHR/khrplatform.h index 07b61b9b..01646449 100644 --- a/src/glad/include/KHR/khrplatform.h +++ b/src/glad/include/KHR/khrplatform.h @@ -2,7 +2,7 @@ #define __khrplatform_h_ /* -** Copyright (c) 2008-2009 The Khronos Group Inc. +** Copyright (c) 2008-2018 The Khronos Group Inc. ** ** Permission is hereby granted, free of charge, to any person obtaining a ** copy of this software and/or associated documentation files (the @@ -26,18 +26,16 @@ /* Khronos platform-specific types and definitions. * - * $Revision: 32517 $ on $Date: 2016-03-11 02:41:19 -0800 (Fri, 11 Mar 2016) $ + * The master copy of khrplatform.h is maintained in the Khronos EGL + * Registry repository at https://github.com/KhronosGroup/EGL-Registry + * The last semantic modification to khrplatform.h was at commit ID: + * 67a3e0864c2d75ea5287b9f3d2eb74a745936692 * * Adopters may modify this file to suit their platform. Adopters are * encouraged to submit platform specific modifications to the Khronos * group so that they can be included in future versions of this file. - * Please submit changes by sending them to the public Khronos Bugzilla - * (http://khronos.org/bugzilla) by filing a bug against product - * "Khronos (general)" component "Registry". - * - * A predefined template which fills in some of the bug fields can be - * reached using http://tinyurl.com/khrplatform-h-bugreport, but you - * must create a Bugzilla login first. + * Please submit changes by filing pull requests or issues on + * the EGL Registry repository linked above. * * * See the Implementer's Guidelines for information about where this file @@ -92,18 +90,25 @@ * int arg2) KHRONOS_APIATTRIBUTES; */ +#if defined(__SCITECH_SNAP__) && !defined(KHRONOS_STATIC) +# define KHRONOS_STATIC 1 +#endif + /*------------------------------------------------------------------------- * Definition of KHRONOS_APICALL *------------------------------------------------------------------------- * This precedes the return type of the function in the function prototype. */ -#if defined(_WIN32) && !defined(__SCITECH_SNAP__) +#if defined(KHRONOS_STATIC) + /* If the preprocessor constant KHRONOS_STATIC is defined, make the + * header compatible with static linking. */ +# define KHRONOS_APICALL +#elif defined(_WIN32) # define KHRONOS_APICALL __declspec(dllimport) #elif defined (__SYMBIAN32__) # define KHRONOS_APICALL IMPORT_C #elif defined(__ANDROID__) -# include <sys/cdefs.h> -# define KHRONOS_APICALL __attribute__((visibility("default"))) __NDK_FPABI__ +# define KHRONOS_APICALL __attribute__((visibility("default"))) #else # define KHRONOS_APICALL #endif @@ -148,6 +153,20 @@ typedef int64_t khronos_int64_t; typedef uint64_t khronos_uint64_t; #define KHRONOS_SUPPORT_INT64 1 #define KHRONOS_SUPPORT_FLOAT 1 +/* + * To support platform where unsigned long cannot be used interchangeably with + * inptr_t (e.g. CHERI-extended ISAs), we can use the stdint.h intptr_t. + * Ideally, we could just use (u)intptr_t everywhere, but this could result in + * ABI breakage if khronos_uintptr_t is changed from unsigned long to + * unsigned long long or similar (this results in different C++ name mangling). + * To avoid changes for existing platforms, we restrict usage of intptr_t to + * platforms where the size of a pointer is larger than the size of long. + */ +#if defined(__SIZEOF_LONG__) && defined(__SIZEOF_POINTER__) +#if __SIZEOF_POINTER__ > __SIZEOF_LONG__ +#define KHRONOS_USE_INTPTR_T +#endif +#endif #elif defined(__VMS ) || defined(__sgi) @@ -230,14 +249,21 @@ typedef unsigned short int khronos_uint16_t; * pointers are 64 bits, but 'long' is still 32 bits. Win64 appears * to be the only LLP64 architecture in current use. */ -#ifdef _WIN64 +#ifdef KHRONOS_USE_INTPTR_T +typedef intptr_t khronos_intptr_t; +typedef uintptr_t khronos_uintptr_t; +#elif defined(_WIN64) typedef signed long long int khronos_intptr_t; typedef unsigned long long int khronos_uintptr_t; -typedef signed long long int khronos_ssize_t; -typedef unsigned long long int khronos_usize_t; #else typedef signed long int khronos_intptr_t; typedef unsigned long int khronos_uintptr_t; +#endif + +#if defined(_WIN64) +typedef signed long long int khronos_ssize_t; +typedef unsigned long long int khronos_usize_t; +#else typedef signed long int khronos_ssize_t; typedef unsigned long int khronos_usize_t; #endif |