use simpler method to detect angle

src/gl/inject_egl.cpp

@@ -20,7 +20,7 @@ static void* get_egl_proc_address(const char* name) {
     void *func = nullptr;
     static void *(*pfn_eglGetProcAddress)(const char*) = nullptr;
     if (!pfn_eglGetProcAddress) {
-        void *handle = real_dlopen("libEGL.so", RTLD_LAZY | RTLD_NOLOAD);
+        void *handle = real_dlopen("libEGL.so.1", RTLD_LAZY);
         if (!handle) {
             SPDLOG_ERROR("Failed to open " MANGOHUD_ARCH " libEGL.so.1: {}", dlerror());
         } else {
@@ -44,7 +44,6 @@ static void* get_egl_proc_address(const char* name) {
 EXPORT_C_(unsigned int) eglSwapBuffers( void* dpy, void* surf);
 EXPORT_C_(unsigned int) eglSwapBuffers( void* dpy, void* surf)
 {
-    SPDLOG_INFO("eglSwapBuffers");
     static int (*pfn_eglSwapBuffers)(void*, void*) = nullptr;
     if (!pfn_eglSwapBuffers)
         pfn_eglSwapBuffers = reinterpret_cast<decltype(pfn_eglSwapBuffers)>(get_egl_proc_address("eglSwapBuffers"));

src/hook_dlsym.cpp

@@ -1,14 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <dlfcn.h>
-#include <link.h>
 #include "real_dlsym.h"
-#include <string.h>
-#include <unistd.h>
-
-#include <string>
-
-void *egl_handle = NULL;
 
 EXPORT_C_(void*) dlsym(void * handle, const char * name)
 {
@@ -21,25 +14,9 @@ EXPORT_C_(void*) dlsym(void * handle, const char * name)
     if (!find_egl_ptr)
         find_egl_ptr = reinterpret_cast<decltype(find_egl_ptr)> (real_dlsym(RTLD_NEXT, "mangohud_find_egl_ptr"));
 
-    char path_real[4096] = {0};
-    //pick a libEGL to use since ANGLE uses the same file name
-    if(handle != RTLD_DEFAULT && handle != RTLD_NEXT)
-    {
-        struct link_map *path;
-        dlinfo(handle, RTLD_DI_LINKMAP, &path);
-
-        int ret = readlink(path->l_name, path_real, 4096);
-        if (ret < 0) {
-            strcpy(path_real, path->l_name);
-        }
-
-        if (strstr(path_real, "libEGL") && !egl_handle) {
-            egl_handle = handle;
-        }
-    }
-
     void* func = nullptr;
     void* real_func = real_dlsym(handle, name);
+    bool is_angle = !!real_dlsym(handle, "eglStreamPostD3DTextureANGLE");
 
     if (find_glx_ptr && real_func) {
         func = find_glx_ptr(name);
@@ -49,8 +26,7 @@ EXPORT_C_(void*) dlsym(void * handle, const char * name)
         }
     }
 
-    if (find_egl_ptr && real_func && egl_handle == handle) {
-        fprintf(stderr, "name %s\n", name);
+    if (find_egl_ptr && real_func && !is_angle) {
         func = find_egl_ptr(name);
         if (func) {
             //fprintf(stderr,"%s: local: %s\n",  __func__ , name);