Bump SDL to 2.28.5 and add FFmpeg for AV1 parsing

This commit is contained in:
Cameron Gutman
2023-11-04 01:08:23 -05:00
parent 9366c763d6
commit ce25a66dc5
232 changed files with 39783 additions and 3046 deletions

View File

@@ -1,6 +1,6 @@
/*
Simple DirectMedia Layer
Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
@@ -237,6 +237,25 @@ typedef void (*SDL_KernelMemoryBarrierFunc)();
#endif
#endif
/* "REP NOP" is PAUSE, coded for tools that don't know it by that name. */
#if (defined(__GNUC__) || defined(__clang__)) && (defined(__i386__) || defined(__x86_64__))
#define SDL_CPUPauseInstruction() __asm__ __volatile__("pause\n") /* Some assemblers can't do REP NOP, so go with PAUSE. */
#elif (defined(__arm__) && defined(__ARM_ARCH) && __ARM_ARCH >= 7) || defined(__aarch64__)
#define SDL_CPUPauseInstruction() __asm__ __volatile__("yield" ::: "memory")
#elif (defined(__powerpc__) || defined(__powerpc64__))
#define SDL_CPUPauseInstruction() __asm__ __volatile__("or 27,27,27");
#elif defined(_MSC_VER) && (defined(_M_IX86) || defined(_M_X64))
#define SDL_CPUPauseInstruction() _mm_pause() /* this is actually "rep nop" and not a SIMD instruction. No inline asm in MSVC x86-64! */
#elif defined(_MSC_VER) && (defined(_M_ARM) || defined(_M_ARM64))
#define SDL_CPUPauseInstruction() __yield()
#elif defined(__WATCOMC__) && defined(__386__)
extern __inline void SDL_CPUPauseInstruction(void);
#pragma aux SDL_CPUPauseInstruction = ".686p" ".xmm2" "pause"
#else
#define SDL_CPUPauseInstruction()
#endif
/**
* \brief A type representing an atomic integer value. It is a struct
* so people don't accidentally use numeric operations on it.