mirror of
https://github.com/shadowfacts/lwjgl2-arm64.git
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68 lines
2.1 KiB
C++
68 lines
2.1 KiB
C++
#include <stdio.h>
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#include <dlfcn.h>
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#include "extxcursor.h"
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#include "common_tools.h"
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static void * xcursor_handle = NULL;
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static const char *xcursor_lib_name = "libXcursor.so.1";
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static bool load_success;
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XcursorSupportsARGBPROC XcursorSupportsARGB = NULL;
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XcursorSupportsAnimPROC XcursorSupportsAnim = NULL;
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XcursorImageCreatePROC XcursorImageCreate = NULL;
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XcursorImageDestroyPROC XcursorImageDestroy = NULL;
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XcursorImagesCreatePROC XcursorImagesCreate = NULL;
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XcursorImagesDestroyPROC XcursorImagesDestroy = NULL;
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XcursorImagesLoadCursorPROC XcursorImagesLoadCursor = NULL;
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static void * loadHandle(const char * func_name) {
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void * func_pointer = dlsym(xcursor_handle, func_name);
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if (func_pointer == NULL) {
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load_success = false;
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return NULL;
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}
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return func_pointer;
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}
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static bool loadFunctionPointers(void) {
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load_success = true;
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XcursorSupportsARGB = (XcursorSupportsARGBPROC)loadHandle("XcursorSupportsARGB");
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XcursorSupportsAnim = (XcursorSupportsAnimPROC)loadHandle("XcursorSupportsAnim");
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XcursorImageCreate = (XcursorImageCreatePROC)loadHandle("XcursorImageCreate");
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XcursorImageDestroy = (XcursorImageDestroyPROC)loadHandle("XcursorImageDestroy");
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XcursorImagesCreate = (XcursorImagesCreatePROC)loadHandle("XcursorImagesCreate");
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XcursorImagesDestroy = (XcursorImagesDestroyPROC)loadHandle("XcursorImagesDestroy");
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XcursorImagesLoadCursor = (XcursorImagesLoadCursorPROC)loadHandle("XcursorImagesLoadCursor");
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return load_success;
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}
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bool loadXcursor(void) {
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load_success = false;
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xcursor_handle = dlopen(xcursor_lib_name, RTLD_GLOBAL | RTLD_LAZY);
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if (xcursor_handle == NULL) {
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printfDebug(org_lwjgl_Sys_DEBUG, "Could not load %s: %s\n", xcursor_lib_name, dlerror());
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return load_success;
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}
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loadFunctionPointers();
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return load_success;
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}
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bool isXcursorLoaded(void) {
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return load_success;
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}
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void closeXcursor(void) {
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if (load_success) {
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load_success = false;
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dlclose(xcursor_handle);
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xcursor_handle = NULL;
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XcursorSupportsARGB = NULL;
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XcursorSupportsAnim = NULL;
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XcursorImageCreate = NULL;
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XcursorImageDestroy = NULL;
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XcursorImagesCreate = NULL;
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XcursorImagesDestroy = NULL;
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XcursorImagesLoadCursor = NULL;
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}
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}
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