1 files changed, 283 insertions, 0 deletions

diff --git a/contrib/SDL-3.2.8/src/SDL_internal.h b/contrib/SDL-3.2.8/src/SDL_internal.h
new file mode 100644
index 0000000..a345252
--- /dev/null
+++ b/contrib/SDL-3.2.8/src/SDL_internal.h
@@ -0,0 +1,283 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 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 "SDL_build_config.h"
+
+#include "dynapi/SDL_dynapi.h"
+
+#if SDL_DYNAMIC_API
+#include "dynapi/SDL_dynapi_overrides.h"
+/* force SDL_DECLSPEC off...it's all internal symbols now.
+   These will have actual #defines during SDL_dynapi.c only */
+#ifdef SDL_DECLSPEC
+#undef SDL_DECLSPEC
+#endif
+#define SDL_DECLSPEC
+#endif
+
+#ifdef SDL_PLATFORM_APPLE
+#ifndef _DARWIN_C_SOURCE
+#define _DARWIN_C_SOURCE 1 // for memset_pattern4()
+#endif
+#include <Availability.h>
+
+#ifndef __IPHONE_OS_VERSION_MAX_ALLOWED
+#define __IPHONE_OS_VERSION_MAX_ALLOWED 0
+#endif
+#ifndef __APPLETV_OS_VERSION_MAX_ALLOWED
+#define __APPLETV_OS_VERSION_MAX_ALLOWED 0
+#endif
+#ifndef __MAC_OS_X_VERSION_MAX_ALLOWED
+#define __MAC_OS_X_VERSION_MAX_ALLOWED 0
+#endif
+#endif // SDL_PLATFORM_APPLE
+
+#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. */
+
+/* Optimized functions from 'SDL_blit_0.c'
+   - blit with source bits_per_pixel < 8, palette */
+#if !defined(SDL_HAVE_BLIT_0) && !defined(SDL_LEAN_AND_MEAN)
+#define SDL_HAVE_BLIT_0 1
+#endif
+
+/* Optimized functions from 'SDL_blit_1.c'
+   - blit with source bytes_per_pixel == 1, palette */
+#if !defined(SDL_HAVE_BLIT_1) && !defined(SDL_LEAN_AND_MEAN)
+#define SDL_HAVE_BLIT_1 1
+#endif
+
+/* Optimized functions from 'SDL_blit_A.c'
+   - blit with 'SDL_BLENDMODE_BLEND' blending mode */
+#if !defined(SDL_HAVE_BLIT_A) && !defined(SDL_LEAN_AND_MEAN)
+#define SDL_HAVE_BLIT_A 1
+#endif
+
+/* Optimized functions from 'SDL_blit_N.c'
+   - blit with COLORKEY mode, or nothing */
+#if !defined(SDL_HAVE_BLIT_N) && !defined(SDL_LEAN_AND_MEAN)
+#define SDL_HAVE_BLIT_N 1
+#endif
+
+/* Optimized functions from 'SDL_blit_N.c'
+   - RGB565 conversion with Lookup tables */
+#if !defined(SDL_HAVE_BLIT_N_RGB565) && !defined(SDL_LEAN_AND_MEAN)
+#define SDL_HAVE_BLIT_N_RGB565 1
+#endif
+
+/* Optimized functions from 'SDL_blit_AUTO.c'
+   - blit with modulate color, modulate alpha, any blending mode
+   - scaling or not */
+#if !defined(SDL_HAVE_BLIT_AUTO) && !defined(SDL_LEAN_AND_MEAN)
+#define SDL_HAVE_BLIT_AUTO 1
+#endif
+
+/* Run-Length-Encoding
+   - SDL_SetSurfaceColorKey() called with SDL_RLEACCEL flag */
+#if !defined(SDL_HAVE_RLE) && !defined(SDL_LEAN_AND_MEAN)
+#define SDL_HAVE_RLE 1
+#endif
+
+/* Software SDL_Renderer
+   - creation of software renderer
+   - *not* general blitting functions
+   - {blend,draw}{fillrect,line,point} internal functions */
+#if !defined(SDL_VIDEO_RENDER_SW) && !defined(SDL_LEAN_AND_MEAN)
+#define SDL_VIDEO_RENDER_SW 1
+#endif
+
+/* STB image conversion */
+#if !defined(SDL_HAVE_STB) && !defined(SDL_LEAN_AND_MEAN)
+#define SDL_HAVE_STB 1
+#endif
+
+/* YUV formats
+   - handling of YUV surfaces
+   - blitting and conversion functions */
+#if !defined(SDL_HAVE_YUV) && !defined(SDL_LEAN_AND_MEAN)
+#define SDL_HAVE_YUV 1
+#endif
+
+#ifdef SDL_CAMERA_DISABLED
+#undef SDL_CAMERA_DRIVER_ANDROID
+#undef SDL_CAMERA_DRIVER_COREMEDIA
+#undef SDL_CAMERA_DRIVER_DUMMY
+#undef SDL_CAMERA_DRIVER_EMSCRIPTEN
+#undef SDL_CAMERA_DRIVER_MEDIAFOUNDATION
+#undef SDL_CAMERA_DRIVER_PIPEWIRE
+#undef SDL_CAMERA_DRIVER_V4L2
+#undef SDL_CAMERA_DRIVER_VITA
+#endif
+
+#ifdef SDL_RENDER_DISABLED
+#undef SDL_VIDEO_RENDER_SW
+#undef SDL_VIDEO_RENDER_D3D
+#undef SDL_VIDEO_RENDER_D3D11
+#undef SDL_VIDEO_RENDER_D3D12
+#undef SDL_VIDEO_RENDER_GPU
+#undef SDL_VIDEO_RENDER_METAL
+#undef SDL_VIDEO_RENDER_OGL
+#undef SDL_VIDEO_RENDER_OGL_ES2
+#undef SDL_VIDEO_RENDER_PS2
+#undef SDL_VIDEO_RENDER_PSP
+#undef SDL_VIDEO_RENDER_VITA_GXM
+#undef SDL_VIDEO_RENDER_VULKAN
+#endif // SDL_RENDER_DISABLED
+
+#ifdef SDL_GPU_DISABLED
+#undef SDL_GPU_D3D12
+#undef SDL_GPU_METAL
+#undef SDL_GPU_VULKAN
+#undef SDL_VIDEO_RENDER_GPU
+#endif // SDL_GPU_DISABLED
+
+#if !defined(HAVE_LIBC)
+// If not using _any_ C runtime, these have to be defined before SDL_thread.h
+// gets included, so internal SDL_CreateThread calls will not try to reference
+// the (unavailable and unneeded) _beginthreadex/_endthreadex functions.
+#define SDL_BeginThreadFunction NULL
+#define SDL_EndThreadFunction NULL
+#endif
+
+#ifdef SDL_NOLONGLONG
+#error We cannot build a valid SDL3 library without long long support
+#endif
+
+/* Enable internal definitions in SDL API headers */
+#define SDL_INTERNAL
+
+#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>
+
+// Set up for C function definitions, even when using C++
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "SDL_utils_c.h"
+#include "SDL_hashtable.h"
+
+// Do any initialization that needs to happen before threads are started
+extern void SDL_InitMainThread(void);
+
+/* 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.
+*/
+extern bool SDLCALL SDL_WaitSemaphoreTimeoutNS(SDL_Semaphore *sem, Sint64 timeoutNS);
+extern bool SDLCALL SDL_WaitConditionTimeoutNS(SDL_Condition *cond, SDL_Mutex *mutex, Sint64 timeoutNS);
+extern bool SDLCALL SDL_WaitEventTimeoutNS(SDL_Event *event, Sint64 timeoutNS);
+
+// Ends C function definitions when using C++
+#ifdef __cplusplus
+}
+#endif
+
+#endif // SDL_internal_h_