[desktop] replace GLEW with glad

Author: drhelius

.devcontainer/Dockerfile

@@ -17,7 +17,6 @@ RUN apt-get update \
         clang \
         lldb \
         libsdl2-dev \
-        libglew-dev \
         libgtk-3-dev \
     && rm -rf /var/lib/apt/lists/* \
     && apt-get autoremove -y && apt-get clean -y

.github/workflows/gearboy.yml

@@ -34,7 +34,7 @@ jobs:
     - name: Update OS
       run: sudo apt-get update -qq
     - name: Install dependencies
-      run: sudo apt-get install -y libsdl2-dev libglew-dev libgtk-3-dev
+      run: sudo apt-get install -y libsdl2-dev libgtk-3-dev
     - name: Get build number
       run: |
         echo "BUILD_NUMBER=$(git describe --abbrev=7 --dirty --always --tags)" >> $GITHUB_ENV
@@ -65,7 +65,7 @@ jobs:
     - name: Update OS
       run: sudo apt-get update -qq
     - name: Install dependencies
-      run: sudo apt-get install -y libsdl2-dev libglew-dev libgtk-3-dev
+      run: sudo apt-get install -y libsdl2-dev libgtk-3-dev
     - name: Get build number
       run: |
         echo "BUILD_NUMBER=$(git describe --abbrev=7 --dirty --always --tags)" >> $GITHUB_ENV
@@ -197,7 +197,6 @@ jobs:
         mkdir -p artifact
         cp platforms/README.txt artifact
         cp platforms/gamecontrollerdb.txt artifact
-        cp platforms/windows/dependencies/glew-2.2.0/bin/Release/${{ matrix.architecture }}/glew32.dll artifact
         cp platforms/windows/dependencies/SDL2-2.30.6/lib/${{ matrix.architecture }}/SDL2.dll artifact
         cp platforms/windows/release/${{ env.NAME_UPPER }}.exe artifact
     - name: Archive binary
@@ -224,7 +223,7 @@ jobs:
       uses: vmactions/freebsd-vm@v1
       with:
         usesh: true
-        prepare: pkg install -y git gmake pkgconf SDL2 glew lang/gcc gtk3
+        prepare: pkg install -y git gmake pkgconf SDL2 lang/gcc gtk3
         run: |
           cd platforms/bsd
           gmake

README.md

@@ -52,7 +52,7 @@ Don't hesitate to report bugs or ask for new features by [opening an issue](http
       <td rowspan="2"><strong>Linux</strong></td>
       <td>Ubuntu 24.04</td>
       <td><a href="https://github.com/drhelius/Gearboy/releases/download/3.7.1/Gearboy-3.7.1-ubuntu-24.04.zip">Gearboy-3.7.1-ubuntu-24.04.zip</a></td>
-      <td rowspan="2">May need <code>libsdl2</code> and <code>libglew</code></td>
+      <td rowspan="2">May need <code>libsdl2</code></td>
     </tr>
     <tr>
       <td>Ubuntu 22.04</td>
@@ -141,23 +141,23 @@ make dist
 - Ubuntu / Debian / Raspberry Pi (Raspbian):
 
 ``` shell
-sudo apt install build-essential libsdl2-dev libglew-dev libgtk-3-dev
+sudo apt install build-essential libsdl2-dev libgtk-3-dev
 cd platforms/linux
 make
 ```
 
 - Fedora:
 
 ``` shell
-sudo dnf install @development-tools gcc-c++ SDL2-devel glew-devel gtk3-devel
+sudo dnf install @development-tools gcc-c++ SDL2-devel gtk3-devel
 cd platforms/linux
 make
 ```
 
 - Arch Linux:
 
 ``` shell
-sudo pacman -S base-devel sdl2 glew gtk3
+sudo pacman -S base-devel sdl2 gtk3
 cd platforms/linux
 make
 ```
@@ -167,15 +167,15 @@ make
 - FreeBSD:
 
 ``` shell
-su root -c "pkg install -y git gmake pkgconf SDL2 glew lang/gcc gtk3"
+su root -c "pkg install -y git gmake pkgconf SDL2 lang/gcc gtk3"
 cd platforms/bsd
 gmake
 ```
 
 - NetBSD:
 
 ``` shell
-su root -c "pkgin install gmake pkgconf SDL2 glew lang/gcc gtk3"
+su root -c "pkgin install gmake pkgconf SDL2 lang/gcc gtk3"
 cd platforms/bsd
 gmake
 ```

platforms/desktop-shared/Makefile.common

@@ -52,7 +52,7 @@ endif
 
 ifeq ($(UNAME_S), Linux)
     PLATFORM = "Linux"
-    LDFLAGS += -lGL -lGLEW -ldl `sdl2-config --libs`
+    LDFLAGS += -lGL -ldl `sdl2-config --static-libs`
     CPPFLAGS += `sdl2-config --cflags`
     TARGET := $(TARGET_NAME)
 else ifeq ($(UNAME_S), Darwin)
@@ -63,11 +63,9 @@ else ifeq ($(UNAME_S), Darwin)
     TARGET := $(TARGET_NAME)
 else
     PLATFORM = "Generic Unix-like/BSD"
-    LDFLAGS += `sdl2-config --libs` -lSDL2
-    LDFLAGS += `pkg-config --libs glew` -lGLEW
+    LDFLAGS += -lGL `sdl2-config --libs`
     CXXFLAGS += -std=gnu++11
     CPPFLAGS += `sdl2-config --cflags`
-    CPPFLAGS += `pkg-config --cflags glew`
     TARGET := $(TARGET_NAME)
 endif