// Based on the example provided by Eric Wasylishen
// https://discourse.libsdl.org/t/sdl-getdesktopdisplaymode-resolution-reported-in-windows-10-when-using-app-scaling/22389
void WIN_InitDPI()
{
void* userDLL;
void* shcoreDLL;
shcoreDLL = SDL_LoadObject("SHCORE.DLL");
if (shcoreDLL)
{
SetProcessDpiAwareness = (HRESULT(WINAPI *)(PROCESS_DPI_AWARENESS)) SDL_LoadFunction(shcoreDLL, "SetProcessDpiAwareness");
}
if (SetProcessDpiAwareness)
{
/* Try Windows 8.1+ version */
HRESULT result = SetProcessDpiAwareness(PROCESS_PER_MONITOR_DPI_AWARE);
return;
}
userDLL = SDL_LoadObject("USER32.DLL");
if (userDLL)
{
SetProcessDPIAware = (BOOL(WINAPI *)(void)) SDL_LoadFunction(userDLL, "SetProcessDPIAware");
}
if (SetProcessDPIAware)
{
/* Try Vista - Windows 8 version.
This has a constant scale factor for all monitors.
*/
BOOL success = SetProcessDPIAware();
}
}
bool load() {
if (loaded) return true;
lib = SDL_LoadObject("libgtk-3.so.0");
if (!lib) lib = SDL_LoadObject("libgtk-x11-2.0.so.0");
if (!lib) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Cannot show open file dialog: no GTK library available.");
return false;
}
loadFunc(g_free);
loadFunc(gtk_dialog_get_type);
loadFunc(gtk_dialog_run);
loadFunc(gtk_events_pending);
loadFunc(gtk_file_chooser_add_filter);
loadFunc(gtk_file_chooser_dialog_new);
loadFunc(gtk_file_chooser_get_filename);
loadFunc(gtk_file_chooser_get_type);
loadFunc(gtk_file_filter_add_pattern);
loadFunc(gtk_file_filter_new);
loadFunc(gtk_file_filter_set_name);
loadFunc(gtk_init_check);
loadFunc(gtk_main_iteration);
loadFunc(gtk_widget_destroy);
loadFunc(gtk_window_get_type);
loadFunc(gtk_window_new);
loadFunc(g_type_check_instance_cast);
loaded = true;
return true;
}
int
VIVANTE_VideoInit(_THIS)
{
SDL_VideoData *videodata = (SDL_VideoData *)_this->driverdata;
#if SDL_VIDEO_DRIVER_VIVANTE_VDK
videodata->vdk_private = vdkInitialize();
if (!videodata->vdk_private) {
return SDL_SetError("vdkInitialize() failed");
}
#else
videodata->egl_handle = SDL_LoadObject("libEGL.so.1");
if (!videodata->egl_handle) {
videodata->egl_handle = SDL_LoadObject("libEGL.so");
if (!videodata->egl_handle) {
return -1;
}
}
#define LOAD_FUNC(NAME) \
videodata->NAME = SDL_LoadFunction(videodata->egl_handle, #NAME); \
if (!videodata->NAME) return -1;
LOAD_FUNC(fbGetDisplay);
LOAD_FUNC(fbGetDisplayByIndex);
LOAD_FUNC(fbGetDisplayGeometry);
LOAD_FUNC(fbGetDisplayInfo);
LOAD_FUNC(fbDestroyDisplay);
LOAD_FUNC(fbCreateWindow);
LOAD_FUNC(fbGetWindowGeometry);
LOAD_FUNC(fbGetWindowInfo);
LOAD_FUNC(fbDestroyWindow);
#endif
if (VIVANTE_SetupPlatform(_this) < 0) {
return -1;
}
if (VIVANTE_AddVideoDisplays(_this) < 0) {
return -1;
}
VIVANTE_UpdateDisplayScale(_this);
#ifdef SDL_INPUT_LINUXEV
if (SDL_EVDEV_Init() < 0) {
return -1;
}
#endif
return 0;
}
int
PND_gl_loadlibrary(_THIS, const char *path)
{
SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
/* Check if OpenGL ES library is specified for GF driver */
if (path == NULL) {
path = SDL_getenv("SDL_OPENGL_LIBRARY");
if (path == NULL) {
path = SDL_getenv("SDL_OPENGLES_LIBRARY");
}
}
/* Check if default library loading requested */
if (path == NULL) {
/* Already linked with GF library which provides egl* subset of */
/* functions, use Common profile of OpenGL ES library by default */
path = "/usr/lib/libGLES_CM.so";
}
/* Load dynamic library */
_this->gl_config.dll_handle = SDL_LoadObject(path);
if (!_this->gl_config.dll_handle) {
/* Failed to load new GL ES library */
SDL_SetError("PND: Failed to locate OpenGL ES library");
return -1;
}
/* Store OpenGL ES library path and name */
SDL_strlcpy(_this->gl_config.driver_path, path,
SDL_arraysize(_this->gl_config.driver_path));
/* New OpenGL ES library is loaded */
return 0;
}
static int
DSOUND_Load(void)
{
int loaded = 0;
DSOUND_Unload();
DSoundDLL = SDL_LoadObject("DSOUND.DLL");
if (DSoundDLL == NULL) {
SDL_SetError("DirectSound: failed to load DSOUND.DLL");
} else {
/* Now make sure we have DirectX 8 or better... */
#define DSOUNDLOAD(f) { \
p##f = (fn##f) SDL_LoadFunction(DSoundDLL, #f); \
if (!p##f) loaded = 0; \
}
loaded = 1; /* will reset if necessary. */
DSOUNDLOAD(DirectSoundCreate8);
DSOUNDLOAD(DirectSoundEnumerateW);
DSOUNDLOAD(DirectSoundCaptureEnumerateW);
#undef DSOUNDLOAD
if (!loaded) {
SDL_SetError("DirectSound: System doesn't appear to have DX8.");
}
}
if (!loaded) {
DSOUND_Unload();
}
return loaded;
}
static bool jsplugin_get_entry_points(const String& pluginLibrary, atomic_plugin_validate_function* fvalidate,
duk_c_function* finit, String& errorMsg)
{
*fvalidate = NULL;
*finit = NULL;
// TODO: cache and use SDL_UnloadObject (when no longer needed)
void* handle = SDL_LoadObject(pluginLibrary.CString());
if (handle == NULL)
{
errorMsg = ToString("Native Plugin: Unable to load %s", pluginLibrary.CString());
return false;
}
*fvalidate = (atomic_plugin_validate_function) SDL_LoadFunction(handle, "atomic_plugin_validate");
if (!*fvalidate)
{
errorMsg = ToString("Native Plugin: Unable to get atomic_plugin_validate entry point in %s", pluginLibrary.CString());
return false;
}
*finit = (duk_c_function) SDL_LoadFunction(handle, "atomic_plugin_init");
if (!*finit)
{
LOGERRORF("Native Plugin: Unable to get atomic_plugin_init entry point in %s", pluginLibrary.CString());
return false;
}
return true;
}
internal sdl_game_code
SDLLoadGameCode(const char *SourceDLLName, const char *TempDLLName,
const char *LockFileName)
{
sdl_game_code Result = {};
if (access(LockFileName, F_OK) == -1) {
Result.DLLLastWriteTime = SDLGetLastWriteTime(SourceDLLName);
SDLCopyFile(SourceDLLName, TempDLLName);
Result.GameCodeDLL = SDL_LoadObject(TempDLLName);
if (Result.GameCodeDLL) {
Result.UpdateAndRender = (game_update_and_render *)
SDL_LoadFunction(Result.GameCodeDLL, "GameUpdateAndRender");
Result.GetSoundSamples = (game_get_sound_samples *)
SDL_LoadFunction(Result.GameCodeDLL, "GameGetSoundSamples");
Result.IsValid = (Result.UpdateAndRender && Result.GetSoundSamples);
}
}
if (!Result.IsValid) {
Result.UpdateAndRender = 0;
Result.GetSoundSamples = 0;
}
return Result;
}
int
SDL_UDEV_LoadLibrary(void)
{
int retval = 0, i;
if (_this == NULL) {
return SDL_SetError("UDEV not initialized");
}
if (_this->udev_handle == NULL) {
for( i = 0 ; i < SDL_arraysize(SDL_UDEV_LIBS); i++) {
_this->udev_handle = SDL_LoadObject(SDL_UDEV_LIBS[i]);
if (_this->udev_handle != NULL) {
retval = SDL_UDEV_load_syms();
if (retval < 0) {
SDL_UDEV_UnloadLibrary();
}
else {
break;
}
}
}
if (_this->udev_handle == NULL) {
retval = -1;
/* Don't call SDL_SetError(): SDL_LoadObject already did. */
}
}
return retval;
}
SDL_bool
D3D_LoadDLL( void **pD3DDLL, IDirect3D9 **pDirect3D9Interface )
{
*pD3DDLL = SDL_LoadObject("D3D9.DLL");
if (*pD3DDLL) {
IDirect3D9 *(WINAPI * D3DCreate) (UINT SDKVersion);
D3DCreate =
(IDirect3D9 * (WINAPI *) (UINT)) SDL_LoadFunction(*pD3DDLL,
"Direct3DCreate9");
if (D3DCreate) {
*pDirect3D9Interface = D3DCreate(D3D_SDK_VERSION);
}
if (!*pDirect3D9Interface) {
SDL_UnloadObject(*pD3DDLL);
*pD3DDLL = NULL;
return SDL_FALSE;
}
return SDL_TRUE;
} else {
*pDirect3D9Interface = NULL;
return SDL_FALSE;
}
}
SDL_bool
DXGI_LoadDLL( void **pDXGIDLL , IDXGIFactory **pDXGIFactory )
{
*pDXGIDLL = SDL_LoadObject("DXGI.DLL");
if (*pDXGIDLL ) {
HRESULT (WINAPI *CreateDXGI)( REFIID riid, void **ppFactory );
CreateDXGI =
(HRESULT (WINAPI *) (REFIID, void**)) SDL_LoadFunction(*pDXGIDLL,
"CreateDXGIFactory");
if (CreateDXGI) {
GUID dxgiGUID = {0x7b7166ec,0x21c7,0x44ae,{0xb2,0x1a,0xc9,0xae,0x32,0x1a,0xe3,0x69}};
if( !SUCCEEDED( CreateDXGI( &dxgiGUID, (void**)pDXGIFactory ))) {
*pDXGIFactory = NULL;
}
}
if (!*pDXGIFactory) {
SDL_UnloadObject(*pDXGIDLL);
*pDXGIDLL = NULL;
return SDL_FALSE;
}
return SDL_TRUE;
} else {
*pDXGIFactory = NULL;
return SDL_FALSE;
}
}
/* returns non-zero if all needed symbols were loaded. */
int
SDL_X11_LoadSymbols(void)
{
int rc = 1; /* always succeed if not using Dynamic X11 stuff. */
#ifdef SDL_VIDEO_DRIVER_X11_DYNAMIC
/* deal with multiple modules (dga, x11, etc) needing these symbols... */
if (x11_load_refcount++ == 0) {
int i;
int *thismod = NULL;
for (i = 0; i < SDL_TABLESIZE(x11libs); i++) {
if (x11libs[i].libname != NULL) {
x11libs[i].lib = SDL_LoadObject(x11libs[i].libname);
}
}
#define SDL_X11_MODULE(modname) SDL_X11_HAVE_##modname = 1; /* default yes */
#define SDL_X11_SYM(a,fn,x,y,z)
#include "SDL_x11sym.h"
#undef SDL_X11_MODULE
#undef SDL_X11_SYM
#define SDL_X11_MODULE(modname) thismod = &SDL_X11_HAVE_##modname;
#define SDL_X11_SYM(a,fn,x,y,z) p##fn = (SDL_DYNX11FN_##fn) X11_GetSym(#fn,thismod);
#include "SDL_x11sym.h"
#undef SDL_X11_MODULE
#undef SDL_X11_SYM
#ifdef X_HAVE_UTF8_STRING
pXCreateIC = (SDL_DYNX11FN_XCreateIC)
X11_GetSym("XCreateIC", &SDL_X11_HAVE_UTF8);
pXGetICValues = (SDL_DYNX11FN_XGetICValues)
X11_GetSym("XGetICValues", &SDL_X11_HAVE_UTF8);
#endif
if (SDL_X11_HAVE_BASEXLIB) {
/* all required symbols loaded. */
SDL_ClearError();
} else {
/* in case something got loaded... */
SDL_X11_UnloadSymbols();
rc = 0;
}
}
#else
#define SDL_X11_MODULE(modname) SDL_X11_HAVE_##modname = 1; /* default yes */
#define SDL_X11_SYM(a,fn,x,y,z)
#include "SDL_x11sym.h"
#undef SDL_X11_MODULE
#undef SDL_X11_SYM
#ifdef X_HAVE_UTF8_STRING
pXCreateIC = XCreateIC;
pXGetICValues = XGetICValues;
#endif
#endif
return rc;
}
int
main(int argc, char *argv[])
{
int retval = 0;
int hello = 0;
const char *libname = NULL;
const char *symname = NULL;
void *lib = NULL;
fntype fn = NULL;
if (argc != 3) {
const char *app = argv[0];
SDL_Log("USAGE: %s <library> <functionname>\n", app);
SDL_Log(" %s --hello <lib with puts()>\n", app);
return 1;
}
/* Initialize SDL */
if (SDL_Init(0) < 0) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s\n", SDL_GetError());
return 2;
}
if (strcmp(argv[1], "--hello") == 0) {
hello = 1;
libname = argv[2];
symname = "puts";
} else {
libname = argv[1];
symname = argv[2];
}
lib = SDL_LoadObject(libname);
if (lib == NULL) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL_LoadObject('%s') failed: %s\n",
libname, SDL_GetError());
retval = 3;
} else {
fn = (fntype) SDL_LoadFunction(lib, symname);
if (fn == NULL) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL_LoadFunction('%s') failed: %s\n",
symname, SDL_GetError());
retval = 4;
} else {
SDL_Log("Found %s in %s at %p\n", symname, libname, fn);
if (hello) {
SDL_Log("Calling function...\n");
fflush(stdout);
fn(" HELLO, WORLD!\n");
SDL_Log("...apparently, we survived. :)\n");
SDL_Log("Unloading library...\n");
fflush(stdout);
}
}
SDL_UnloadObject(lib);
}
SDL_Quit();
return retval;
}
MFCOpenGLContext::MFCOpenGLContext(HGLRC hglrc): _render_context(hglrc)
{
if (_oglDllHandle == nullptr)
{
_oglDllHandle = SDL_LoadObject("OPENGL32.DLL");
}
++_oglDllReferenceCount;
}
int Mix_InitOgg()
{
if ( vorbis.loaded == 0 ) {
vorbis.handle = SDL_LoadObject(OGG_DYNAMIC);
if ( vorbis.handle == NULL ) {
return -1;
}
vorbis.ov_clear =
(int (*)(OggVorbis_File *))
SDL_LoadFunction(vorbis.handle, "ov_clear");
if ( vorbis.ov_clear == NULL ) {
SDL_UnloadObject(vorbis.handle);
return -1;
}
vorbis.ov_info =
(vorbis_info *(*)(OggVorbis_File *,int))
SDL_LoadFunction(vorbis.handle, "ov_info");
if ( vorbis.ov_info == NULL ) {
SDL_UnloadObject(vorbis.handle);
return -1;
}
vorbis.ov_open_callbacks =
(int (*)(void *, OggVorbis_File *, char *, long, ov_callbacks))
SDL_LoadFunction(vorbis.handle, "ov_open_callbacks");
if ( vorbis.ov_open_callbacks == NULL ) {
SDL_UnloadObject(vorbis.handle);
return -1;
}
vorbis.ov_pcm_total =
(ogg_int64_t (*)(OggVorbis_File *,int))
SDL_LoadFunction(vorbis.handle, "ov_pcm_total");
if ( vorbis.ov_pcm_total == NULL ) {
SDL_UnloadObject(vorbis.handle);
return -1;
}
vorbis.ov_read =
#ifdef OGG_USE_TREMOR
(long (*)(OggVorbis_File *,char *,int,int *))
#else
(long (*)(OggVorbis_File *,char *,int,int,int,int,int *))
#endif
SDL_LoadFunction(vorbis.handle, "ov_read");
if ( vorbis.ov_read == NULL ) {
SDL_UnloadObject(vorbis.handle);
return -1;
}
vorbis.ov_time_seek =
(int (*)(OggVorbis_File *,double))
SDL_LoadFunction(vorbis.handle, "ov_time_seek");
if ( vorbis.ov_time_seek == NULL ) {
SDL_UnloadObject(vorbis.handle);
return -1;
}
}
++vorbis.loaded;
return 0;
}
/* returns non-zero if all needed symbols were loaded. */
int
SDL_WAYLAND_LoadSymbols(void)
{
int rc = 1; /* always succeed if not using Dynamic WAYLAND stuff. */
/* deal with multiple modules (dga, wayland, etc) needing these symbols... */
if (wayland_load_refcount++ == 0) {
#ifdef SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC
int i;
int *thismod = NULL;
for (i = 0; i < SDL_TABLESIZE(waylandlibs); i++) {
if (waylandlibs[i].libname != NULL) {
waylandlibs[i].lib = SDL_LoadObject(waylandlibs[i].libname);
}
}
#define SDL_WAYLAND_MODULE(modname) SDL_WAYLAND_HAVE_##modname = 1; /* default yes */
#define SDL_WAYLAND_SYM(rc,fn,params)
#define SDL_WAYLAND_INTERFACE(iface)
#include "SDL_waylandsym.h"
#undef SDL_WAYLAND_MODULE
#undef SDL_WAYLAND_SYM
#undef SDL_WAYLAND_INTERFACE
#define SDL_WAYLAND_MODULE(modname) thismod = &SDL_WAYLAND_HAVE_##modname;
#define SDL_WAYLAND_SYM(rc,fn,params) WAYLAND_##fn = (SDL_DYNWAYLANDFN_##fn) WAYLAND_GetSym(#fn,thismod);
#define SDL_WAYLAND_INTERFACE(iface) WAYLAND_##iface = (struct wl_interface *) WAYLAND_GetSym(#iface,thismod);
#include "SDL_waylandsym.h"
#undef SDL_WAYLAND_MODULE
#undef SDL_WAYLAND_SYM
#undef SDL_WAYLAND_INTERFACE
if (SDL_WAYLAND_HAVE_WAYLAND_CLIENT) {
/* all required symbols loaded. */
SDL_ClearError();
} else {
/* in case something got loaded... */
SDL_WAYLAND_UnloadSymbols();
rc = 0;
}
#else /* no dynamic WAYLAND */
#define SDL_WAYLAND_MODULE(modname) SDL_WAYLAND_HAVE_##modname = 1; /* default yes */
#define SDL_WAYLAND_SYM(rc,fn,params) WAYLAND_##fn = fn;
#define SDL_WAYLAND_INTERFACE(iface) WAYLAND_##iface = &iface;
#include "SDL_waylandsym.h"
#undef SDL_WAYLAND_MODULE
#undef SDL_WAYLAND_SYM
#undef SDL_WAYLAND_INTERFACE
#endif
}
return rc;
}
/* returns non-zero if all needed symbols were loaded. */
int SDL_X11_LoadSymbols(void)
{
int rc = 1; /* always succeed if not using Dynamic X11 stuff. */
#ifdef SDL_VIDEO_DRIVER_X11_DYNAMIC
/* deal with multiple modules (dga, x11, etc) needing these symbols... */
if (x11_load_refcount++ == 0) {
int i;
int *thismod = NULL;
for (i = 0; i < SDL_TABLESIZE(x11libs); i++) {
if (x11libs[i].libname != NULL) {
x11libs[i].lib = SDL_LoadObject(x11libs[i].libname);
}
}
#define SDL_X11_MODULE(modname) thismod = &SDL_X11_HAVE_##modname;
#define SDL_X11_SYM(rc,fn,params,args,ret) \
p##fn = (rc(*)params) X11_GetSym(#fn, thismod);
#include "SDL_x11sym.h"
#undef SDL_X11_MODULE
#undef SDL_X11_SYM
#ifdef X_HAVE_UTF8_STRING
pXCreateIC = (XIC(*)(XIM,...)) X11_GetSym("XCreateIC",
&SDL_X11_HAVE_UTF8);
pXGetICValues = (char * (*)(XIC,...)) X11_GetSym("XGetICValues",
&SDL_X11_HAVE_UTF8);
#endif
/*
* In case we're built with newer Xlib headers, we need to make sure
* that _XGetRequest() is available, even on older systems.
* Otherwise, various Xlib macros we use will call a NULL pointer.
*/
if (!SDL_X11_HAVE_XGETREQUEST) {
p_XGetRequest = SDL_XGetRequest_workaround;
}
if (SDL_X11_HAVE_BASEXLIB) { /* all required symbols loaded. */
SDL_ClearError();
} else {
SDL_X11_UnloadSymbols(); /* in case something got loaded... */
rc = 0;
}
}
#else
#if DEBUG_DYNAMIC_X11
printf("X11: No dynamic X11 support in this build of SDL.\n");
#endif
#ifdef X_HAVE_UTF8_STRING
pXCreateIC = XCreateIC;
pXGetICValues = XGetICValues;
#endif
#endif
return rc;
}
int Mac_GL_LoadLibrary(_THIS, const char *location)
{
if (location == NULL)
location = "OpenGLLibrary";
this->hidden->libraryHandle = SDL_LoadObject(location);
this->gl_config.driver_loaded = 1;
return (this->hidden->libraryHandle != NULL) ? 0 : -1;
}
static qboolean SV_LoadGame (const char *path)
{
char name[MAX_OSPATH];
Com_sprintf(name, sizeof(name), "%s/game_"CPUSTRING".%s", path, SO_EXT);
svs.gameLibrary = SDL_LoadObject(name);
if (!svs.gameLibrary) {
Com_sprintf(name, sizeof(name), "%s/game.%s", path, SO_EXT);
svs.gameLibrary = SDL_LoadObject(name);
}
if (svs.gameLibrary) {
Com_Printf("found at '%s'\n", path);
return qtrue;
} else {
Com_Printf("not found at '%s'\n", path);
Com_DPrintf(DEBUG_SYSTEM, "%s\n", SDL_GetError());
return qfalse;
}
}
bool loadPlugin() {
assert(!_dlHandle);
_dlHandle = SDL_LoadObject(_filename.c_str());
if (!_dlHandle) {
warning("Failed loading plugin '%s' (%s)", _filename.c_str(), SDL_GetError());
return false;
}
return DynamicPlugin::loadPlugin();
}
int extloader(lua_State * L)
{
const char * filename = lua_tostring(L, -1);
std::string tokenized_name(filename);
std::string tokenized_function(filename);
for (unsigned int i = 0; i < tokenized_name.size(); i++)
{
if (tokenized_name[i] == '.')
{
tokenized_name[i] = '/';
tokenized_function[i] = '_';
}
}
tokenized_name += library_extension();
void * handle = SDL_LoadObject((std::string(instance->getAppdataDirectory()) + LOVE_PATH_SEPARATOR LOVE_APPDATA_FOLDER LOVE_PATH_SEPARATOR + tokenized_name).c_str());
if (!handle && instance->isRelease())
handle = SDL_LoadObject((std::string(instance->getSaveDirectory()) + LOVE_PATH_SEPARATOR + tokenized_name).c_str());
if (!handle)
{
lua_pushfstring(L, "\n\tno extension \"%s\" in LOVE paths.\n", filename);
return 1;
}
void * func = SDL_LoadFunction(handle, ("loveopen_" + tokenized_function).c_str());
if (!func)
func = SDL_LoadFunction(handle, ("luaopen_" + tokenized_function).c_str());
if (!func)
{
SDL_UnloadObject(handle);
lua_pushfstring(L, "\n\textension \"%s\" is incompatible.\n", filename);
return 1;
}
lua_pushcfunction(L, (lua_CFunction) func);
return 1;
}
int Mac_GL_LoadLibrary(_THIS, const char *location)
{
if (location == NULL)
#if __MACH__
location = "/System/Library/Frameworks/OpenGL.framework/OpenGL";
#else
location = "OpenGLLibrary";
#endif
this->hidden->libraryHandle = SDL_LoadObject(location);
this->gl_config.driver_loaded = 1;
return (this->hidden->libraryHandle != NULL) ? 0 : -1;
}
/* returns non-zero if all needed symbols were loaded. */
int
SDL_MIR_LoadSymbols(void)
{
int rc = 1; /* always succeed if not using Dynamic MIR stuff. */
/* deal with multiple modules (dga, wayland, mir, etc) needing these symbols... */
if (mir_load_refcount++ == 0) {
#ifdef SDL_VIDEO_DRIVER_MIR_DYNAMIC
int i;
int *thismod = NULL;
for (i = 0; i < SDL_TABLESIZE(mirlibs); i++) {
if (mirlibs[i].libname != NULL) {
mirlibs[i].lib = SDL_LoadObject(mirlibs[i].libname);
}
}
#define SDL_MIR_MODULE(modname) SDL_MIR_HAVE_##modname = 1; /* default yes */
#define SDL_MIR_SYM(rc,fn,params)
#include "SDL_mirsym.h"
#undef SDL_MIR_MODULE
#undef SDL_MIR_SYM
#define SDL_MIR_MODULE(modname) thismod = &SDL_MIR_HAVE_##modname;
#define SDL_MIR_SYM(rc,fn,params) MIR_##fn = (SDL_DYNMIRFN_##fn) MIR_GetSym(#fn,thismod);
#include "SDL_mirsym.h"
#undef SDL_MIR_MODULE
#undef SDL_MIR_SYM
if ((SDL_MIR_HAVE_MIR_CLIENT) && (SDL_MIR_HAVE_XKBCOMMON)) {
/* all required symbols loaded. */
SDL_ClearError();
} else {
/* in case something got loaded... */
SDL_MIR_UnloadSymbols();
rc = 0;
}
#else /* no dynamic MIR */
#define SDL_MIR_MODULE(modname) SDL_MIR_HAVE_##modname = 1; /* default yes */
#define SDL_MIR_SYM(rc,fn,params) MIR_##fn = fn;
#include "SDL_mirsym.h"
#undef SDL_MIR_MODULE
#undef SDL_MIR_SYM
#endif
}
return rc;
}
void PluginManager::LoadPlugins()
{
tinydir_dir dir;
if (tinydir_open(&dir, PLUGINPATH) == -1)
{
Log("Error opening file");
}
int cpt = 0;
while (dir.has_next)
{
tinydir_file file;
if (tinydir_readfile(&dir, &file) == -1)
{
Log("Error getting file");
}
if (std::string(file.extension) == "dll")
{
void* handle = nullptr;
handle = SDL_LoadObject(file.path);
if (handle != nullptr)
{
std::vector<std::string>* (*func)();
func = (std::vector<std::string>*(*)())SDL_LoadFunction(handle, "GetPluginFeatures");
if (func != nullptr)
{
std::vector<std::string>* pluginFeatures = func();
_plugins.push_back(handle);
for (std::string& str : (*pluginFeatures))
{
_features[str].push_back(handle);
}
delete pluginFeatures;
}
else
Log("Unable to load GetPluginFeatures function in : " + std::string(file.path));
}
else
Log("Unable to load plugin : "+std::string(file.path));
}
tinydir_next(&dir);
}
tinydir_close(&dir);
}
void SetBrightness(float val)
{
/* This function exists because SDL2 uses function for brightness which is not supported by opensource X11 drivers */
/* val < 0.0f tries to restore the brightness, less than -1.0 doesn't affect SDL function */
#ifdef USE_X11_GAMMA
static BOOL firstCall = true;
SDL_SysWMinfo sysInfo;
SDL_VERSION(&sysInfo.version);
if (SDL_GetWindowWMInfo(sdlWin, &sysInfo) && sysInfo.subsystem == SDL_SYSWM_X11)
{
static XF86VidModeGamma gammaToRestore = {-1.0f, -1.0f, -1.0f};
static _XF86VidModeGetGamma XF86VidModeGetGamma;
static _XF86VidModeSetGamma XF86VidModeSetGamma;
if (firstCall && (!XF86VidModeGetGamma || !XF86VidModeSetGamma))
{
void *Xxf86vm = SDL_LoadObject(SDL_VIDEO_DRIVER_X11_DYNAMIC_XVIDMODE);
if (Xxf86vm)
{
XF86VidModeGetGamma = SDL_LoadFunction(Xxf86vm, "XF86VidModeGetGamma");
XF86VidModeSetGamma = SDL_LoadFunction(Xxf86vm, "XF86VidModeSetGamma");
}
}
firstCall = false;
if (XF86VidModeGetGamma && XF86VidModeSetGamma)
{
int screen = SDL_GetWindowDisplayIndex(sdlWin);
if (screen < 0)
screen = 0;
if (gammaToRestore.red == -1.0f && gammaToRestore.green == -1.0f && gammaToRestore.blue == -1.0f)
XF86VidModeGetGamma(sysInfo.info.x11.display, screen, &gammaToRestore); //Get brightness at first attempt
if (val < 0.0f)
{
if (gammaToRestore.red >= 0.0f && gammaToRestore.green >= 0.0f && gammaToRestore.blue >= 0.0f && XF86VidModeSetGamma(sysInfo.info.x11.display, screen, &gammaToRestore)) //Restore brightness
return;
else
val = 1.0f;
}
if (val >= 0.0f)
{
XF86VidModeGamma gamma = {val, val, val};
if (XF86VidModeSetGamma(sysInfo.info.x11.display, screen, &gamma)) //Set brightness
return;
}
}
}
#endif
if (val >= -1.0f)
SDL_SetWindowBrightness(sdlWin, val < 0.0f ? 1.0f : val);
}
int IMG_InitTIF()
{
if ( lib.loaded == 0 ) {
lib.handle = SDL_LoadObject(LOAD_TIF_DYNAMIC);
if ( lib.handle == NULL ) {
return -1;
}
lib.TIFFClientOpen =
(TIFF* (*)(const char*, const char*, thandle_t, TIFFReadWriteProc, TIFFReadWriteProc, TIFFSeekProc, TIFFCloseProc, TIFFSizeProc, TIFFMapFileProc, TIFFUnmapFileProc))
SDL_LoadFunction(lib.handle, "TIFFClientOpen");
if ( lib.TIFFClientOpen == NULL ) {
SDL_UnloadObject(lib.handle);
return -1;
}
lib.TIFFClose =
(void (*)(TIFF*))
SDL_LoadFunction(lib.handle, "TIFFClose");
if ( lib.TIFFClose == NULL ) {
SDL_UnloadObject(lib.handle);
return -1;
}
lib.TIFFGetField =
(int (*)(TIFF*, ttag_t, ...))
SDL_LoadFunction(lib.handle, "TIFFGetField");
if ( lib.TIFFGetField == NULL ) {
SDL_UnloadObject(lib.handle);
return -1;
}
lib.TIFFReadRGBAImage =
(int (*)(TIFF*, uint32, uint32, uint32*, int))
SDL_LoadFunction(lib.handle, "TIFFReadRGBAImage");
if ( lib.TIFFReadRGBAImage == NULL ) {
SDL_UnloadObject(lib.handle);
return -1;
}
lib.TIFFSetErrorHandler =
(TIFFErrorHandler (*)(TIFFErrorHandler))
SDL_LoadFunction(lib.handle, "TIFFSetErrorHandler");
if ( lib.TIFFSetErrorHandler == NULL ) {
SDL_UnloadObject(lib.handle);
return -1;
}
}
++lib.loaded;
return 0;
}
int
WIN_GL_LoadLibrary(_THIS, const char *path)
{
void *handle;
if (path == NULL) {
path = SDL_getenv("SDL_OPENGL_LIBRARY");
}
if (path == NULL) {
path = DEFAULT_OPENGL;
}
_this->gl_config.dll_handle = SDL_LoadObject(path);
if (!_this->gl_config.dll_handle) {
return -1;
}
SDL_strlcpy(_this->gl_config.driver_path, path,
SDL_arraysize(_this->gl_config.driver_path));
/* Allocate OpenGL memory */
_this->gl_data = (struct SDL_GLDriverData *) SDL_calloc(1, sizeof(struct SDL_GLDriverData));
if (!_this->gl_data) {
return SDL_OutOfMemory();
}
/* Load function pointers */
handle = _this->gl_config.dll_handle;
_this->gl_data->wglGetProcAddress = (void *(WINAPI *) (const char *))
SDL_LoadFunction(handle, "wglGetProcAddress");
_this->gl_data->wglCreateContext = (HGLRC(WINAPI *) (HDC))
SDL_LoadFunction(handle, "wglCreateContext");
_this->gl_data->wglDeleteContext = (BOOL(WINAPI *) (HGLRC))
SDL_LoadFunction(handle, "wglDeleteContext");
_this->gl_data->wglMakeCurrent = (BOOL(WINAPI *) (HDC, HGLRC))
SDL_LoadFunction(handle, "wglMakeCurrent");
_this->gl_data->wglShareLists = (BOOL(WINAPI *) (HGLRC, HGLRC))
SDL_LoadFunction(handle, "wglShareLists");
if (!_this->gl_data->wglGetProcAddress ||
!_this->gl_data->wglCreateContext ||
!_this->gl_data->wglDeleteContext ||
!_this->gl_data->wglMakeCurrent) {
return SDL_SetError("Could not retrieve OpenGL functions");
}
return 0;
}
static int
LoadSNDIOLibrary(void)
{
int retval = 0;
if (sndio_handle == NULL) {
sndio_handle = SDL_LoadObject(sndio_library);
if (sndio_handle == NULL) {
retval = -1;
/* Don't call SDL_SetError(): SDL_LoadObject already did. */
} else {
retval = load_sndio_syms();
if (retval < 0) {
UnloadSNDIOLibrary();
}
}
}
return retval;
}
static BOOL
CE_SHFullScreen(HWND hwndRequester, DWORD dwState)
{
if (SHFullScreen == 0 && aygshell_loaded == 0) {
aygshell_loaded = 0;
void *lib = SDL_LoadObject("aygshell.dll");
if (lib) {
SHFullScreen =
(BOOL(WINAPI *) (HWND, DWORD)) SDL_LoadFunction(lib,
"SHFullScreen");
}
}
if (SHFullScreen) {
SHFullScreen(hwndRequester, dwState);
//printf("SHFullscreen(%i)\n",dwState);
}
}
static int
LoadALSALibrary(void)
{
int retval = 0;
if (alsa_handle == NULL) {
alsa_handle = SDL_LoadObject(alsa_library);
if (alsa_handle == NULL) {
retval = -1;
/* Don't call SDL_SetError(): SDL_LoadObject already did. */
} else {
retval = load_alsa_syms();
if (retval < 0) {
UnloadALSALibrary();
}
}
}
return retval;
}
static int LoadALSALibrary(void) {
int i, retval = -1;
alsa_handle = SDL_LoadObject(alsa_library);
if (alsa_handle) {
alsa_loaded = 1;
retval = 0;
for (i = 0; i < SDL_arraysize(alsa_functions); i++) {
*alsa_functions[i].func = SDL_LoadFunction(alsa_handle,alsa_functions[i].name);
if (!*alsa_functions[i].func) {
retval = -1;
UnloadALSALibrary();
break;
}
}
}
return retval;
}