fix: add opengl metadata

include/glad/gl.h

@@ -1,11 +1,11 @@
 /**
- * Loader generated by glad 2.0.8 on Wed May 13 21:57:23 2026
+ * Loader generated by glad 2.0.8 on Thu Aug 27 15:42:48 2026
  *
  * SPDX-License-Identifier: (WTFPL OR CC0-1.0) AND Apache-2.0
  *
  * Generator: C/C++
  * Specification: gl
- * Extensions: 4
+ * Extensions: 5
  *
  * APIs:
  *  - gl:compatibility=4.6
@@ -19,10 +19,10 @@
  *  - ON_DEMAND = False
  *
  * Commandline:
- *    --api='gl:compatibility=4.6' --extensions='GL_ARB_direct_state_access,GL_EXT_EGL_image_storage,GL_EXT_direct_state_access,GL_KHR_debug' c --header-only --loader
+ *    --api='gl:compatibility=4.6' --extensions='GL_ARB_arrays_of_arrays,GL_ARB_direct_state_access,GL_EXT_EGL_image_storage,GL_EXT_direct_state_access,GL_KHR_debug' c --header-only --loader
  *
  * Online:
- *    http://glad.sh/#api=gl%3Acompatibility%3D4.6&extensions=GL_ARB_direct_state_access%2CGL_EXT_EGL_image_storage%2CGL_EXT_direct_state_access%2CGL_KHR_debug&generator=c&options=HEADER_ONLY%2CLOADER
+ *    http://glad.sh/#api=gl%3Acompatibility%3D4.6&extensions=GL_ARB_arrays_of_arrays%2CGL_ARB_direct_state_access%2CGL_EXT_EGL_image_storage%2CGL_EXT_direct_state_access%2CGL_KHR_debug&generator=c&options=HEADER_ONLY%2CLOADER
  *
  */
 
@@ -2403,6 +2403,8 @@ GLAD_API_CALL int GLAD_GL_VERSION_4_4;
 GLAD_API_CALL int GLAD_GL_VERSION_4_5;
 #define GL_VERSION_4_6 1
 GLAD_API_CALL int GLAD_GL_VERSION_4_6;
+#define GL_ARB_arrays_of_arrays 1
+GLAD_API_CALL int GLAD_GL_ARB_arrays_of_arrays;
 #define GL_ARB_direct_state_access 1
 GLAD_API_CALL int GLAD_GL_ARB_direct_state_access;
 #define GL_EXT_EGL_image_storage 1
@@ -6395,6 +6397,7 @@ int GLAD_GL_VERSION_4_3 = 0;
 int GLAD_GL_VERSION_4_4 = 0;
 int GLAD_GL_VERSION_4_5 = 0;
 int GLAD_GL_VERSION_4_6 = 0;
+int GLAD_GL_ARB_arrays_of_arrays = 0;
 int GLAD_GL_ARB_direct_state_access = 0;
 int GLAD_GL_EXT_EGL_image_storage = 0;
 int GLAD_GL_EXT_direct_state_access = 0;
@@ -9290,6 +9293,7 @@ static int glad_gl_find_extensions_gl(void) {
     char **exts_i = NULL;
     if (!glad_gl_get_extensions(&exts, &exts_i)) return 0;
 
+    GLAD_GL_ARB_arrays_of_arrays = glad_gl_has_extension(exts, exts_i, "GL_ARB_arrays_of_arrays");
     GLAD_GL_ARB_direct_state_access = glad_gl_has_extension(exts, exts_i, "GL_ARB_direct_state_access");
     GLAD_GL_EXT_EGL_image_storage = glad_gl_has_extension(exts, exts_i, "GL_EXT_EGL_image_storage");
     GLAD_GL_EXT_direct_state_access = glad_gl_has_extension(exts, exts_i, "GL_EXT_direct_state_access");
@@ -9392,7 +9396,7 @@ int gladLoadGL( GLADloadfunc load) {
 
 
 
-
+ 
 
 #ifdef GLAD_GL
 
@@ -9571,3 +9575,4 @@ void gladLoaderUnloadGL(void) {
 #endif
 
 #endif /* GLAD_GL_IMPLEMENTATION */
+

src/constants.h

@@ -4,9 +4,9 @@
 #define CONSTANTS_H
 
 static const char *vertex_shader_text =
-    "#version 460\n"
+    "#version 140\n"
     "const mat4 mvp = "
-    "{{2.,0.,0.,0.},{0.,2.,0.,0.},{0.,0.,2.,0.},{-1.,-1.,1.,1.}};\n"
+    "mat4(vec4(2.,0.,0.,0.),vec4(0.,2.,0.,0.),vec4(0.,0.,2.,0.),vec4(-1.,-1.,1.,1.));\n"
     "in vec2 vPos;\n"
     "out vec2 vUV;\n"
     "void main()\n"

src/shaders.c

@@ -105,6 +105,13 @@ static bool init_gl(ShaderProgram *program) {
   glDebugMessageCallback(gl_debug_callback, NULL);
 #endif /* GL_DEBUG */
 
+  // print OpenGL info
+  log_info("[OpenGL] Vendor: %s", glGetString(GL_VENDOR));
+  log_info("[OpenGL] Renderer: %s", glGetString(GL_RENDERER));
+  log_info("[OpenGL] Version: %s", glGetString(GL_VERSION));
+  log_info("[OpenGL] Shading language: %s",
+           glGetString(GL_SHADING_LANGUAGE_VERSION));
+
 #ifdef VIDEO_IN
   program->egl_display = glfwGetEGLDisplay();
   if (program->egl_display == EGL_NO_DISPLAY) {

src/window.c

@@ -89,7 +89,9 @@ create_window(GLFWmonitor *monitor, const char *title,
 #ifdef GL_DEBUG
   glfwWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, GLFW_TRUE);
 #endif
-  glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
+  if (opengl_major > 4 || (opengl_major == 3 && opengl_minor >= 2)) {
+    glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
+  }
 
   // create fullscreen window in selected monitor
   window = glfwCreateWindow(1, 1, title, monitor, shared_context);