File mangohud-remove-glew-dep.patch of Package mangohud

From 9da183900bc6f7af0f3cb907d9370aec54a11a91 Mon Sep 17 00:00:00 2001
From: flightlessmango <flightlessmangoyt@gmail.com>
Date: Mon, 17 Mar 2025 15:11:32 +0100
Subject: [PATCH] mangoapp: remove glew dependency

---
 .github/workflows/ubuntu.yml |  1 -
 meson.build                  |  1 -
 pkgbuild/PKGBUILD            |  2 +-
 src/app/main.cpp             | 12 +-----------
 src/meson.build              |  2 --
 5 files changed, 2 insertions(+), 16 deletions(-)

diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index 75f1ca6ef4..1f9ca0b917 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -25,7 +25,6 @@ jobs:
           mesa-common-dev \
           libcmocka-dev \
           libdbus-1-dev \
-          libglew-dev \
           libglfw3-dev \
           libwayland-dev \
           libxnvctrl-dev \
diff --git a/meson.build b/meson.build
index ebe37c8ab4..6496b95a1c 100644
--- a/meson.build
+++ b/meson.build
@@ -261,7 +261,6 @@ endif
 
 if get_option('mangoapp')
   glfw3_dep = dependency('glfw3')
-  glew_dep = dependency('glew')
 endif
 
 json_dep = dependency('nlohmann_json')
diff --git a/pkgbuild/PKGBUILD b/pkgbuild/PKGBUILD
index 5e9c3ab505..a7a2ef49f2 100644
--- a/pkgbuild/PKGBUILD
+++ b/pkgbuild/PKGBUILD
@@ -6,7 +6,7 @@ pkgrel=1
 pkgdesc="Vulkan and OpenGL overlay to display performance information"
 arch=('x86_64')
 makedepends=('dbus' 'gcc' 'meson' 'python-mako' 'libx11' 'lib32-libx11' 'git' 'pkgconf' 'vulkan-headers')
-depends=('glslang' 'libglvnd' 'lib32-libglvnd' 'glew' 'glfw-x11' 'python-numpy' 'python-matplotlib'
+depends=('glslang' 'libglvnd' 'lib32-libglvnd' 'glfw-x11' 'python-numpy' 'python-matplotlib'
          'libxrandr' 'libxkbcommon' 'lib32-libxkbcommon')
 replaces=('vulkan-mesa-layer-mango')
 license=('MIT')
diff --git a/src/app/main.cpp b/src/app/main.cpp
index 0e86a21021..5854283050 100644
--- a/src/app/main.cpp
+++ b/src/app/main.cpp
@@ -16,7 +16,6 @@
 #include "notify.h"
 #include "mangoapp.h"
 #include "mangoapp_proto.h"
-#include <GL/glew.h>
 #include <GLFW/glfw3.h>
 #include "amdgpu.h"
 #ifdef __linux__
@@ -308,16 +307,7 @@ int main(int, char**)
     Display *x11_display = glfwGetX11Display();
     Window x11_window = glfwGetX11Window(window);
     Atom overlay_atom = XInternAtom (x11_display, GamescopeOverlayProperty, False);
-    // Initialize OpenGL loader
-
-    bool err = glewInit() != GLEW_OK;
-
-    if (err)
-    {
-        fprintf(stderr, "Failed to initialize OpenGL loader!\n");
-        return 1;
-    }
-
+    
     // Setup Platform/Renderer backends
     int control_client = -1;
     parse_overlay_config(&params, getenv("MANGOHUD_CONFIG"), false);
diff --git a/src/meson.build b/src/meson.build
index 5713539bdf..53daf21363 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -261,7 +261,6 @@ if get_option('mangoapp')
   if not get_option('with_x11').enabled()
     error('mangoapp also needs \'with_x11\'')
   endif
-  pre_args += '-DIMGUI_IMPL_OPENGL_LOADER_GLEW'
   pre_args += '-DMANGOAPP'
   mangoapp = executable(
     'mangoapp',
@@ -287,7 +286,6 @@ if get_option('mangoapp')
       dep_wayland_client,
       glfw3_dep,
       json_dep,
-      glew_dep,
       implot_dep
     ],
     include_directories : [inc_common],