defines.h

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// Software Rendering Pipeline (SRP) library
// Licensed under GNU GPLv3
 
#pragma once
 
#if defined(SRP_MALLOC) && defined(SRP_FREE) && defined(SRP_REALLOC)
    // ok
#elif !defined(SRP_MALLOC) && !defined(SRP_FREE) && !defined(SRP_REALLOC)
    #include "alloc.h"
    #define SRP_MALLOC(s) srpMalloc(s)
    #define SRP_REALLOC(p, s) srpRealloc(p, s)
    #define SRP_FREE(p) srpFree(p)
#else
    #error "Must define all or none of SRP_MALLOC, SRP_FREE, and SRP_REALLOC"
#endif
 
#ifndef SRP_FORCEINLINE
    #if defined(__clang__)   // clang
        #define SRP_FORCEINLINE inline
    #elif defined(__GNUC__)  // gcc
        #define SRP_FORCEINLINE __attribute__((always_inline)) inline
    #elif defined(_MSC_VER)  // msvc
        #define SRP_FORCEINLINE __forceinline
    #else
        #define SRP_FORCEINLINE inline
        #warning \
            "Unrecognized compiler - setting `SRP_FORCEINLINE` to just `inline` \
            (it is not forced anymore!)"
    #endif
#endif