Copied context property readback from 2.7.1.
diff --git a/src/opengl.c b/src/opengl.c
index 7b97d6e..6d6f24f 100644
--- a/src/opengl.c
+++ b/src/opengl.c
@@ -354,9 +354,36 @@
{
parseGLVersion(&window->glMajor, &window->glMinor, &window->glRevision);
- // As these are hard constraints when non-zero, we can simply copy them
- window->glProfile = wndconfig->glProfile;
- window->glForward = wndconfig->glForward;
+ // Read back forward-compatibility flag
+ {
+ window->glForward = GL_FALSE;
+
+ if (window->glMajor >= 3)
+ {
+ GLint flags;
+ glGetIntegerv(GL_CONTEXT_FLAGS, &flags);
+
+ if (flags & GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT)
+ window->glForward = GL_TRUE;
+ }
+ }
+
+ // Read back OpenGL context profile
+ {
+ window->glProfile = 0;
+
+ if (window->glMajor > 3 || (window->glMajor == 3 && window->glMinor >= 2))
+ {
+ GLint mask;
+ glGetIntegerv(GL_CONTEXT_PROFILE_MASK, &mask);
+
+ if (mask & GL_CONTEXT_COMPATIBILITY_PROFILE_BIT)
+ window->glProfile = GLFW_OPENGL_COMPAT_PROFILE;
+ else if (mask & GL_CONTEXT_CORE_PROFILE_BIT)
+ window->glProfile = GLFW_OPENGL_CORE_PROFILE;
+ }
+ }
+
window->glRobustness = wndconfig->glRobustness;
if (window->glMajor < wndconfig->glMajor ||
