From 57a1d546e7ea80731a20f0771676f66f0cf595f9 Mon Sep 17 00:00:00 2001
From: Pierre Krieger <pierre.krieger1708@gmail.com>
Date: Mon, 20 Jul 2015 19:42:32 +0200
Subject: Add CreationError::NoAvailablePixelFormat

---
 src/api/cocoa/mod.rs | 2 +-
 src/api/wgl/mod.rs   | 2 +-
 src/lib.rs           | 5 ++++-
 3 files changed, 6 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/api/cocoa/mod.rs b/src/api/cocoa/mod.rs
index 6fc91b4..5ea57ae 100644
--- a/src/api/cocoa/mod.rs
+++ b/src/api/cocoa/mod.rs
@@ -603,7 +603,7 @@ impl Window {
                     Err(CreationError::NotSupported)
                 }
             } else {
-                Err(CreationError::NotSupported)
+                Err(CreationError::NoAvailablePixelFormat)
             }
         }
     }
diff --git a/src/api/wgl/mod.rs b/src/api/wgl/mod.rs
index 54a9a9a..89538f1 100644
--- a/src/api/wgl/mod.rs
+++ b/src/api/wgl/mod.rs
@@ -573,5 +573,5 @@ fn choose_dummy_pixel_format<I>(iter: I) -> Result<libc::c_int, CreationError>
         }
     }
 
-    backup_id.ok_or(CreationError::NotSupported)
+    backup_id.ok_or(CreationError::OsError("No available pixel format".to_string()))
 }
diff --git a/src/lib.rs b/src/lib.rs
index b543702..9b45ae9 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -111,6 +111,7 @@ pub enum CreationError {
     NotSupported,
     RobustnessNotSupported,
     OpenGlVersionNotSupported,
+    NoAvailablePixelFormat,
 }
 
 impl CreationError {
@@ -122,6 +123,8 @@ impl CreationError {
                                                       not supported.",
             CreationError::OpenGlVersionNotSupported => "The requested OpenGL version is not \
                                                          supported.",
+            CreationError::NoAvailablePixelFormat => "Couldn't find any pixel format that matches \
+                                                      the criterias.",
         }
     }
 }
@@ -471,7 +474,7 @@ impl<'a> BuilderAttribs<'a> {
         }
 
         current_result.or(current_software_result)
-                      .ok_or(CreationError::NotSupported)
+                      .ok_or(CreationError::NoAvailablePixelFormat)
     }
 }
 
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