From c81f95e5717d51761357c4fbd8ad427a11eaca46 Mon Sep 17 00:00:00 2001
From: veclavtalica <veclavtalica@tutamail.com>
Date: Mon, 10 Feb 2025 13:33:18 +0300
Subject: [PATCH] remove redundant for us opengl loading code from glad.c

---
 src/rendering/twn_gl_15_rendering.c |   2 +-
 third-party/glad/src/glad.c         | 132 ----------------------------
 2 files changed, 1 insertion(+), 133 deletions(-)

diff --git a/src/rendering/twn_gl_15_rendering.c b/src/rendering/twn_gl_15_rendering.c
index 972dcbf..72944e4 100644
--- a/src/rendering/twn_gl_15_rendering.c
+++ b/src/rendering/twn_gl_15_rendering.c
@@ -35,7 +35,7 @@ static void APIENTRY opengl_log(GLenum source,
 
 
 bool render_init(void) {
-    if (gladLoadGL() == 0) {
+    if (gladLoadGLLoader(&SDL_GL_GetProcAddress) == 0) {
         CRY("Init", "GLAD failed");
         return false;
     }
diff --git a/third-party/glad/src/glad.c b/third-party/glad/src/glad.c
index eebaee0..195f946 100644
--- a/third-party/glad/src/glad.c
+++ b/third-party/glad/src/glad.c
@@ -25,138 +25,6 @@
 #include <string.h>
 #include <glad/glad.h>
 
-static void* get_proc(const char *namez);
-
-#if defined(_WIN32) || defined(__CYGWIN__)
-#ifndef _WINDOWS_
-#undef APIENTRY
-#endif
-#include <windows.h>
-static HMODULE libGL;
-
-typedef void* (APIENTRYP PFNWGLGETPROCADDRESSPROC_PRIVATE)(const char*);
-static PFNWGLGETPROCADDRESSPROC_PRIVATE gladGetProcAddressPtr;
-
-#ifdef _MSC_VER
-#ifdef __has_include
-  #if __has_include(<winapifamily.h>)
-    #define HAVE_WINAPIFAMILY 1
-  #endif
-#elif _MSC_VER >= 1700 && !_USING_V110_SDK71_
-  #define HAVE_WINAPIFAMILY 1
-#endif
-#endif
-
-#ifdef HAVE_WINAPIFAMILY
-  #include <winapifamily.h>
-  #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) && WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP)
-    #define IS_UWP 1
-  #endif
-#endif
-
-static
-int open_gl(void) {
-#ifndef IS_UWP
-    libGL = LoadLibraryW(L"opengl32.dll");
-    if(libGL != NULL) {
-        void (* tmp)(void);
-        tmp = (void(*)(void)) GetProcAddress(libGL, "wglGetProcAddress");
-        gladGetProcAddressPtr = (PFNWGLGETPROCADDRESSPROC_PRIVATE) tmp;
-        return gladGetProcAddressPtr != NULL;
-    }
-#endif
-
-    return 0;
-}
-
-static
-void close_gl(void) {
-    if(libGL != NULL) {
-        FreeLibrary((HMODULE) libGL);
-        libGL = NULL;
-    }
-}
-#else
-#include <dlfcn.h>
-static void* libGL;
-
-#if !defined(__APPLE__) && !defined(__HAIKU__)
-typedef void* (APIENTRYP PFNGLXGETPROCADDRESSPROC_PRIVATE)(const char*);
-static PFNGLXGETPROCADDRESSPROC_PRIVATE gladGetProcAddressPtr;
-#endif
-
-static
-int open_gl(void) {
-#ifdef __APPLE__
-    static const char *NAMES[] = {
-        "../Frameworks/OpenGL.framework/OpenGL",
-        "/Library/Frameworks/OpenGL.framework/OpenGL",
-        "/System/Library/Frameworks/OpenGL.framework/OpenGL",
-        "/System/Library/Frameworks/OpenGL.framework/Versions/Current/OpenGL"
-    };
-#else
-    static const char *NAMES[] = {"libGL.so.1", "libGL.so"};
-#endif
-
-    unsigned int index = 0;
-    for(index = 0; index < (sizeof(NAMES) / sizeof(NAMES[0])); index++) {
-        libGL = dlopen(NAMES[index], RTLD_NOW | RTLD_GLOBAL);
-
-        if(libGL != NULL) {
-#if defined(__APPLE__) || defined(__HAIKU__)
-            return 1;
-#else
-            gladGetProcAddressPtr = (PFNGLXGETPROCADDRESSPROC_PRIVATE)dlsym(libGL,
-                "glXGetProcAddressARB");
-            return gladGetProcAddressPtr != NULL;
-#endif
-        }
-    }
-
-    return 0;
-}
-
-static
-void close_gl(void) {
-    if(libGL != NULL) {
-        dlclose(libGL);
-        libGL = NULL;
-    }
-}
-#endif
-
-static
-void* get_proc(const char *namez) {
-    void* result = NULL;
-    if(libGL == NULL) return NULL;
-
-#if !defined(__APPLE__) && !defined(__HAIKU__)
-    if(gladGetProcAddressPtr != NULL) {
-        result = gladGetProcAddressPtr(namez);
-    }
-#endif
-    if(result == NULL) {
-#if defined(_WIN32) || defined(__CYGWIN__)
-        result = (void*)GetProcAddress((HMODULE) libGL, namez);
-#else
-        result = dlsym(libGL, namez);
-#endif
-    }
-
-    return result;
-}
-
-int gladLoadGL(void) {
-    int status = 0;
-
-    if(open_gl()) {
-        status = gladLoadGLLoader(&get_proc);
-        close_gl();
-    }
-
-    return status;
-}
-
 struct gladGLversionStruct GLVersion = { 0, 0 };
 
 #if defined(GL_ES_VERSION_3_0) || defined(GL_VERSION_3_0)