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84 lines
2.8 KiB
C
84 lines
2.8 KiB
C
//
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// File: vk_platform.h
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//
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/*
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** Copyright 2014-2021 The Khronos Group Inc.
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**
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** SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef VK_PLATFORM_H_
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#define VK_PLATFORM_H_
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#ifdef __cplusplus
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extern "C"
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{
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#endif // __cplusplus
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/*
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***************************************************************************************************
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* Platform-specific directives and type declarations
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***************************************************************************************************
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*/
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/* Platform-specific calling convention macros.
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*
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* Platforms should define these so that Vulkan clients call Vulkan commands
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* with the same calling conventions that the Vulkan implementation expects.
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*
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* VKAPI_ATTR - Placed before the return type in function declarations.
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* Useful for C++11 and GCC/Clang-style function attribute syntax.
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* VKAPI_CALL - Placed after the return type in function declarations.
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* Useful for MSVC-style calling convention syntax.
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* VKAPI_PTR - Placed between the '(' and '*' in function pointer types.
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*
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* Function declaration: VKAPI_ATTR void VKAPI_CALL vkCommand(void);
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* Function pointer type: typedef void (VKAPI_PTR *PFN_vkCommand)(void);
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*/
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#if defined(_WIN32)
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// On Windows, Vulkan commands use the stdcall convention
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#define VKAPI_ATTR
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#define VKAPI_CALL __stdcall
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#define VKAPI_PTR VKAPI_CALL
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#elif defined(__ANDROID__) && defined(__ARM_ARCH) && __ARM_ARCH < 7
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#error "Vulkan isn't supported for the 'armeabi' NDK ABI"
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#elif defined(__ANDROID__) && defined(__ARM_ARCH) && __ARM_ARCH >= 7 && defined(__ARM_32BIT_STATE)
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// On Android 32-bit ARM targets, Vulkan functions use the "hardfloat"
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// calling convention, i.e. float parameters are passed in registers. This
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// is true even if the rest of the application passes floats on the stack,
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// as it does by default when compiling for the armeabi-v7a NDK ABI.
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#define VKAPI_ATTR __attribute__((pcs("aapcs-vfp")))
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#define VKAPI_CALL
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#define VKAPI_PTR VKAPI_ATTR
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#else
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// On other platforms, use the default calling convention
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#define VKAPI_ATTR
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#define VKAPI_CALL
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#define VKAPI_PTR
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#endif
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#if !defined(VK_NO_STDDEF_H)
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#include <stddef.h>
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#endif // !defined(VK_NO_STDDEF_H)
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#if !defined(VK_NO_STDINT_H)
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#if defined(_MSC_VER) && (_MSC_VER < 1600)
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typedef signed __int8 int8_t;
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typedef unsigned __int8 uint8_t;
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typedef signed __int16 int16_t;
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typedef unsigned __int16 uint16_t;
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typedef signed __int32 int32_t;
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typedef unsigned __int32 uint32_t;
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typedef signed __int64 int64_t;
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typedef unsigned __int64 uint64_t;
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#else
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#include <stdint.h>
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#endif
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#endif // !defined(VK_NO_STDINT_H)
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#ifdef __cplusplus
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} // extern "C"
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#endif // __cplusplus
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#endif
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