Merge pull request #409 from kvark/core

GL core profile flag

1 files changed, 18 insertions, 0 deletions

diff --git a/src/api/win32/init.rs b/src/api/win32/init.rs
index 39b9d97..e5b0b3a 100644
--- a/src/api/win32/init.rs
+++ b/src/api/win32/init.rs
@@ -17,6 +17,7 @@ use BuilderAttribs;
 use CreationError;
 use CreationError::OsError;
 use CursorState;
+use GlProfile;
 use GlRequest;
 use PixelFormat;
 
@@ -374,6 +375,23 @@ unsafe fn create_context(extra: Option<(&gl::wgl_extra::Wgl, &BuilderAttribs<'st
                 },
             }
 
+            if let Some(profile) = builder.gl_profile {
+                if is_extension_supported(extra_functions, hdc,
+                                          "WGL_ARB_create_context_profile")
+                {
+                    let flag = match profile {
+                        GlProfile::Compatibility =>
+                            gl::wgl_extra::CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB,
+                        GlProfile::Core =>
+                            gl::wgl_extra::CONTEXT_CORE_PROFILE_BIT_ARB,
+                    };
+                    attributes.push(gl::wgl_extra::CONTEXT_PROFILE_MASK_ARB as libc::c_int);
+                    attributes.push(flag as libc::c_int);
+                } else {
+                    return Err(CreationError::NotSupported);
+                }
+            }
+
             if builder.gl_debug {
                 attributes.push(gl::wgl_extra::CONTEXT_FLAGS_ARB as libc::c_int);
                 attributes.push(gl::wgl_extra::CONTEXT_DEBUG_BIT_ARB as libc::c_int);