chore: replace OpenGL 4.5 bindings with OpenGL 3.3

build.zig

@@ -13,6 +13,8 @@ pub fn build(b: *std.build.Builder) void {
     const mode = b.standardReleaseOptions();
 
     const exe = b.addExecutable("zba", "src/main.zig");
+    exe.setTarget(target);
+
     // Known Folders (%APPDATA%, XDG, etc.)
     exe.addPackagePath("known_folders", "lib/known-folders/known-folders.zig");
 
@@ -26,16 +28,14 @@ pub fn build(b: *std.build.Builder) void {
     // Argument Parsing Library
     exe.addPackagePath("clap", "lib/zig-clap/clap.zig");
 
-    // OpenGL Bindings
-    exe.addPackagePath("gl", "lib/gl_4v5.zig");
+    // OpenGL 3.3 Bindings
+    exe.addPackagePath("gl", "lib/gl.zig");
 
     // Zig SDL Bindings: https://github.com/MasterQ32/SDL.zig
     const sdk = Sdk.init(b);
     sdk.link(exe, .dynamic);
-
     exe.addPackage(sdk.getNativePackage("sdl2"));
 
-    exe.setTarget(target);
     exe.setBuildMode(mode);
     exe.install();
 

src/platform.zig

@@ -244,7 +244,7 @@ pub const Gui = struct {
 
     fn glGetProcAddress(ctx: SDL.SDL_GLContext, proc: [:0]const u8) ?*anyopaque {
         _ = ctx;
-        return SDL.SDL_GL_GetProcAddress(@ptrCast([*c]const u8, proc));
+        return SDL.SDL_GL_GetProcAddress(proc.ptr);
     }
 };