| /* |
| Simple DirectMedia Layer |
| Copyright (C) 1997-2024 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 |
| arising from the use of this software. |
| |
| Permission is granted to anyone to use this software for any purpose, |
| including commercial applications, and to alter it and redistribute it |
| freely, subject to the following restrictions: |
| |
| 1. The origin of this software must not be misrepresented; you must not |
| claim that you wrote the original software. If you use this software |
| in a product, an acknowledgment in the product documentation would be |
| appreciated but is not required. |
| 2. Altered source versions must be plainly marked as such, and must not be |
| misrepresented as being the original software. |
| 3. This notice may not be removed or altered from any source distribution. |
| */ |
| #ifndef SDL_internal_h_ |
| #define SDL_internal_h_ |
| |
| /* Many of SDL's features require _GNU_SOURCE on various platforms */ |
| #ifndef _GNU_SOURCE |
| #define _GNU_SOURCE |
| #endif |
| |
| /* Need this so Linux systems define fseek64o, ftell64o and off64_t */ |
| #ifndef _LARGEFILE64_SOURCE |
| #define _LARGEFILE64_SOURCE 1 |
| #endif |
| |
| /* This is for a variable-length array at the end of a struct: |
| struct x { int y; char z[SDL_VARIABLE_LENGTH_ARRAY]; }; |
| Use this because GCC 2 needs different magic than other compilers. */ |
| #if (defined(__GNUC__) && (__GNUC__ <= 2)) || defined(__CC_ARM) || defined(__cplusplus) |
| #define SDL_VARIABLE_LENGTH_ARRAY 1 |
| #else |
| #define SDL_VARIABLE_LENGTH_ARRAY |
| #endif |
| |
| #if (defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))) || defined(__clang__) |
| #define HAVE_GCC_DIAGNOSTIC_PRAGMA 1 |
| #endif |
| |
| #ifdef _MSC_VER /* We use constant comparison for generated code */ |
| #pragma warning(disable : 6326) |
| #endif |
| |
| #ifdef _MSC_VER /* SDL_MAX_SMALL_ALLOC_STACKSIZE is smaller than _ALLOCA_S_THRESHOLD and should be generally safe */ |
| #pragma warning(disable : 6255) |
| #endif |
| #define SDL_MAX_SMALL_ALLOC_STACKSIZE 128 |
| #define SDL_small_alloc(type, count, pisstack) ((*(pisstack) = ((sizeof(type) * (count)) < SDL_MAX_SMALL_ALLOC_STACKSIZE)), (*(pisstack) ? SDL_stack_alloc(type, count) : (type *)SDL_malloc(sizeof(type) * (count)))) |
| #define SDL_small_free(ptr, isstack) \ |
| if ((isstack)) { \ |
| SDL_stack_free(ptr); \ |
| } else { \ |
| SDL_free(ptr); \ |
| } |
| |
| #include "build_config/SDL_build_config.h" |
| |
| #include "dynapi/SDL_dynapi.h" |
| |
| #if SDL_DYNAMIC_API |
| #include "dynapi/SDL_dynapi_overrides.h" |
| /* force DECLSPEC off...it's all internal symbols now. |
| These will have actual #defines during SDL_dynapi.c only */ |
| #ifdef DECLSPEC |
| #undef DECLSPEC |
| #endif |
| #define DECLSPEC |
| #endif |
| |
| #ifdef SDL_PLATFORM_APPLE |
| #ifndef _DARWIN_C_SOURCE |
| #define _DARWIN_C_SOURCE 1 /* for memset_pattern4() */ |
| #endif |
| #endif |
| |
| #ifdef HAVE_SYS_TYPES_H |
| #include <sys/types.h> |
| #endif |
| #ifdef HAVE_STDIO_H |
| #include <stdio.h> |
| #endif |
| #ifdef HAVE_STDLIB_H |
| #include <stdlib.h> |
| #elif defined(HAVE_MALLOC_H) |
| #include <malloc.h> |
| #endif |
| #ifdef HAVE_STDDEF_H |
| #include <stddef.h> |
| #endif |
| #ifdef HAVE_STDARG_H |
| #include <stdarg.h> |
| #endif |
| #ifdef HAVE_STRING_H |
| #ifdef HAVE_MEMORY_H |
| #include <memory.h> |
| #endif |
| #include <string.h> |
| #endif |
| #ifdef HAVE_STRINGS_H |
| #include <strings.h> |
| #endif |
| #ifdef HAVE_WCHAR_H |
| #include <wchar.h> |
| #endif |
| #ifdef HAVE_INTTYPES_H |
| #include <inttypes.h> |
| #elif defined(HAVE_STDINT_H) |
| #include <stdint.h> |
| #endif |
| #ifdef HAVE_MATH_H |
| #include <math.h> |
| #endif |
| #ifdef HAVE_FLOAT_H |
| #include <float.h> |
| #endif |
| |
| /* If you run into a warning that O_CLOEXEC is redefined, update the SDL configuration header for your platform to add HAVE_O_CLOEXEC */ |
| #ifndef HAVE_O_CLOEXEC |
| #define O_CLOEXEC 0 |
| #endif |
| |
| /* A few #defines to reduce SDL footprint. |
| Only effective when library is statically linked. |
| You have to manually edit this file. */ |
| #ifndef SDL_LEAN_AND_MEAN |
| #define SDL_LEAN_AND_MEAN 0 |
| #endif |
| |
| /* Optimized functions from 'SDL_blit_0.c' |
| - blit with source bits_per_pixel < 8, palette */ |
| #ifndef SDL_HAVE_BLIT_0 |
| #define SDL_HAVE_BLIT_0 !SDL_LEAN_AND_MEAN |
| #endif |
| |
| /* Optimized functions from 'SDL_blit_1.c' |
| - blit with source bytes_per_pixel == 1, palette */ |
| #ifndef SDL_HAVE_BLIT_1 |
| #define SDL_HAVE_BLIT_1 !SDL_LEAN_AND_MEAN |
| #endif |
| |
| /* Optimized functions from 'SDL_blit_A.c' |
| - blit with 'SDL_BLENDMODE_BLEND' blending mode */ |
| #ifndef SDL_HAVE_BLIT_A |
| #define SDL_HAVE_BLIT_A !SDL_LEAN_AND_MEAN |
| #endif |
| |
| /* Optimized functions from 'SDL_blit_N.c' |
| - blit with COLORKEY mode, or nothing */ |
| #ifndef SDL_HAVE_BLIT_N |
| #define SDL_HAVE_BLIT_N !SDL_LEAN_AND_MEAN |
| #endif |
| |
| /* Optimized functions from 'SDL_blit_N.c' |
| - RGB565 conversion with Lookup tables */ |
| #ifndef SDL_HAVE_BLIT_N_RGB565 |
| #define SDL_HAVE_BLIT_N_RGB565 !SDL_LEAN_AND_MEAN |
| #endif |
| |
| /* Optimized functions from 'SDL_blit_AUTO.c' |
| - blit with modulate color, modulate alpha, any blending mode |
| - scaling or not */ |
| #ifndef SDL_HAVE_BLIT_AUTO |
| #define SDL_HAVE_BLIT_AUTO !SDL_LEAN_AND_MEAN |
| #endif |
| |
| /* Run-Length-Encoding |
| - SDL_SetSurfaceColorKey() called with SDL_RLEACCEL flag */ |
| #ifndef SDL_HAVE_RLE |
| #define SDL_HAVE_RLE !SDL_LEAN_AND_MEAN |
| #endif |
| |
| /* Software SDL_Renderer |
| - creation of software renderer |
| - *not* general blitting functions |
| - {blend,draw}{fillrect,line,point} internal functions */ |
| #ifndef SDL_VIDEO_RENDER_SW |
| #define SDL_VIDEO_RENDER_SW !SDL_LEAN_AND_MEAN |
| #endif |
| |
| /* YUV formats |
| - handling of YUV surfaces |
| - blitting and conversion functions */ |
| #ifndef SDL_HAVE_YUV |
| #define SDL_HAVE_YUV !SDL_LEAN_AND_MEAN |
| #endif |
| |
| #ifndef SDL_RENDER_DISABLED |
| /* define the not defined ones as 0 */ |
| #ifndef SDL_VIDEO_RENDER_D3D |
| #define SDL_VIDEO_RENDER_D3D 0 |
| #endif |
| #ifndef SDL_VIDEO_RENDER_D3D11 |
| #define SDL_VIDEO_RENDER_D3D11 0 |
| #endif |
| #ifndef SDL_VIDEO_RENDER_D3D12 |
| #define SDL_VIDEO_RENDER_D3D12 0 |
| #endif |
| #ifndef SDL_VIDEO_RENDER_METAL |
| #define SDL_VIDEO_RENDER_METAL 0 |
| #endif |
| #ifndef SDL_VIDEO_RENDER_OGL |
| #define SDL_VIDEO_RENDER_OGL 0 |
| #endif |
| #ifndef SDL_VIDEO_RENDER_OGL_ES2 |
| #define SDL_VIDEO_RENDER_OGL_ES2 0 |
| #endif |
| #ifndef SDL_VIDEO_RENDER_PS2 |
| #define SDL_VIDEO_RENDER_PS2 0 |
| #endif |
| #ifndef SDL_VIDEO_RENDER_PSP |
| #define SDL_VIDEO_RENDER_PSP 0 |
| #endif |
| #ifndef SDL_VIDEO_RENDER_VITA_GXM |
| #define SDL_VIDEO_RENDER_VITA_GXM 0 |
| #endif |
| #ifndef SDL_VIDEO_RENDER_VULKAN |
| #define SDL_VIDEO_RENDER_VULKAN 0 |
| #endif |
| #else /* define all as 0 */ |
| #undef SDL_VIDEO_RENDER_SW |
| #define SDL_VIDEO_RENDER_SW 0 |
| #undef SDL_VIDEO_RENDER_D3D |
| #define SDL_VIDEO_RENDER_D3D 0 |
| #undef SDL_VIDEO_RENDER_D3D11 |
| #define SDL_VIDEO_RENDER_D3D11 0 |
| #undef SDL_VIDEO_RENDER_D3D12 |
| #define SDL_VIDEO_RENDER_D3D12 0 |
| #undef SDL_VIDEO_RENDER_METAL |
| #define SDL_VIDEO_RENDER_METAL 0 |
| #undef SDL_VIDEO_RENDER_OGL |
| #define SDL_VIDEO_RENDER_OGL 0 |
| #undef SDL_VIDEO_RENDER_OGL_ES2 |
| #define SDL_VIDEO_RENDER_OGL_ES2 0 |
| #undef SDL_VIDEO_RENDER_PS2 |
| #define SDL_VIDEO_RENDER_PS2 0 |
| #undef SDL_VIDEO_RENDER_PSP |
| #define SDL_VIDEO_RENDER_PSP 0 |
| #undef SDL_VIDEO_RENDER_VITA_GXM |
| #define SDL_VIDEO_RENDER_VITA_GXM 0 |
| #undef SDL_VIDEO_RENDER_VULKAN |
| #define SDL_VIDEO_RENDER_VULKAN 0 |
| #endif /* SDL_RENDER_DISABLED */ |
| |
| #define SDL_HAS_RENDER_DRIVER \ |
| (SDL_VIDEO_RENDER_SW | \ |
| SDL_VIDEO_RENDER_D3D | \ |
| SDL_VIDEO_RENDER_D3D11 | \ |
| SDL_VIDEO_RENDER_D3D12 | \ |
| SDL_VIDEO_RENDER_METAL | \ |
| SDL_VIDEO_RENDER_OGL | \ |
| SDL_VIDEO_RENDER_OGL_ES2 | \ |
| SDL_VIDEO_RENDER_PS2 | \ |
| SDL_VIDEO_RENDER_PSP | \ |
| SDL_VIDEO_RENDER_VITA_GXM | \ |
| SDL_VIDEO_RENDER_VULKAN ) |
| |
| #if !defined(SDL_RENDER_DISABLED) && !SDL_HAS_RENDER_DRIVER |
| #error SDL_RENDER enabled without any backend drivers. |
| #endif |
| |
| #include <SDL3/SDL.h> |
| #include <SDL3/SDL_intrin.h> |
| |
| #define SDL_MAIN_NOIMPL /* don't drag in header-only implementation of SDL_main */ |
| #include <SDL3/SDL_main.h> |
| |
| /* The internal implementations of these functions have up to nanosecond precision. |
| We can expose these functions as part of the API if we want to later. |
| */ |
| /* Set up for C function definitions, even when using C++ */ |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| extern DECLSPEC Uint32 SDLCALL SDL_GetNextObjectID(void); |
| extern DECLSPEC int SDLCALL SDL_WaitSemaphoreTimeoutNS(SDL_Semaphore *sem, Sint64 timeoutNS); |
| extern DECLSPEC int SDLCALL SDL_WaitConditionTimeoutNS(SDL_Condition *cond, SDL_Mutex *mutex, Sint64 timeoutNS); |
| extern DECLSPEC SDL_bool SDLCALL SDL_WaitEventTimeoutNS(SDL_Event *event, Sint64 timeoutNS); |
| |
| /* Ends C function definitions when using C++ */ |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* SDL_internal_h_ */ |