From 508e8cf665d36bdb6e7b5d3d81e1118693579f5b Mon Sep 17 00:00:00 2001
From: Victor Berger <victor.berger@m4x.org>
Date: Wed, 30 Dec 2015 23:09:27 +0100
Subject: [PATCH] Fix EGL for wayland.

---
 src/api/egl/mod.rs | 12 ++++++------
 src/lib.rs         |  2 +-
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/src/api/egl/mod.rs b/src/api/egl/mod.rs
index 582e376e..ca3dc2aa 100644
--- a/src/api/egl/mod.rs
+++ b/src/api/egl/mod.rs
@@ -466,10 +466,10 @@ unsafe fn choose_fbconfig(egl: &ffi::egl::Egl, display: ffi::egl::types::EGLDisp
             out.push(ffi::egl::RGB_BUFFER as c_int);
         }
 
-        if egl_version >= &(1, 3) {
-            out.push(ffi::egl::SURFACE_TYPE as c_int);
-            out.push((ffi::egl::WINDOW_BIT | ffi::egl::PBUFFER_BIT) as c_int);
-        }
+        out.push(ffi::egl::SURFACE_TYPE as c_int);
+        // TODO: Some versions of Mesa report a BAD_ATTRIBUTE error
+        // if we ask for PBUFFER_BIT as well as WINDOW_BIT
+        out.push((ffi::egl::WINDOW_BIT) as c_int);
 
         match (api, version) {
             (Api::OpenGlEs, Some((3, _))) => {
@@ -495,7 +495,7 @@ unsafe fn choose_fbconfig(egl: &ffi::egl::Egl, display: ffi::egl::types::EGLDisp
                 }
             },
             (Api::OpenGlEs, _) => unimplemented!(),
-            (Api::OpenGl, Some((1, _))) => {
+            (Api::OpenGl, _) => {
                 if egl_version < &(1, 3) { return Err(CreationError::NoAvailablePixelFormat); }
                 out.push(ffi::egl::RENDERABLE_TYPE as c_int);
                 out.push(ffi::egl::OPENGL_BIT as c_int);
@@ -561,7 +561,7 @@ unsafe fn choose_fbconfig(egl: &ffi::egl::Egl, display: ffi::egl::types::EGLDisp
             },
         }
 
-        out.push(0);
+        out.push(ffi::egl::NONE as c_int);
         out
     };
 
diff --git a/src/lib.rs b/src/lib.rs
index 6cc0da79..2bd7fe3d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -461,7 +461,7 @@ impl Default for PixelFormatRequirements {
             alpha_bits: Some(8),
             depth_bits: Some(24),
             stencil_bits: Some(8),
-            double_buffer: Some(true),
+            double_buffer: None,
             multisampling: None,
             stereoscopy: false,
             srgb: false,