From 7ba8fdf3f33b9502007901a2399f915047cac8fc Mon Sep 17 00:00:00 2001
From: Pierre Krieger <pierre.krieger1708@gmail.com>
Date: Sun, 1 Mar 2015 11:07:46 +0100
Subject: Fix creating non-hardware-accelerated contexts

---
 src/lib.rs        | 5 +++++
 src/win32/init.rs | 9 +++------
 2 files changed, 8 insertions(+), 6 deletions(-)

(limited to 'src')

diff --git a/src/lib.rs b/src/lib.rs
index 138f87b..ecb6980 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -197,6 +197,7 @@ pub enum MouseCursor {
 #[allow(missing_docs)]
 #[derive(Debug)]
 pub struct PixelFormat {
+    pub hardware_accelerated: bool,
     pub red_bits: u8,
     pub green_bits: u8,
     pub blue_bits: u8,
@@ -286,6 +287,10 @@ impl<'a> BuilderAttribs<'a> {
 
         // TODO: do this more properly
         for (id, format) in iter {
+            if !format.hardware_accelerated {
+                continue;
+            }
+
             if format.red_bits + format.green_bits + format.blue_bits < self.color_bits.unwrap_or(0) {
                 continue;
             }
diff --git a/src/win32/init.rs b/src/win32/init.rs
index 6fdafea..260b0ab 100644
--- a/src/win32/init.rs
+++ b/src/win32/init.rs
@@ -411,13 +411,8 @@ fn enumerate_native_pixel_formats(hdc: winapi::HDC) -> Vec<(PixelFormat, libc::c
         if (output.dwFlags & winapi::PFD_DRAW_TO_WINDOW) == 0 {
             continue;
         }
-        if (output.dwFlags & winapi::PFD_SUPPORT_OPENGL) == 0 {
-            continue;
-        }
 
-        if (output.dwFlags & winapi::PFD_GENERIC_ACCELERATED) == 0 &&
-            (output.dwFlags & winapi::PFD_GENERIC_FORMAT) == 0
-        {
+        if (output.dwFlags & winapi::PFD_SUPPORT_OPENGL) == 0 {
             continue;
         }
 
@@ -426,6 +421,7 @@ fn enumerate_native_pixel_formats(hdc: winapi::HDC) -> Vec<(PixelFormat, libc::c
         }
 
         result.push((PixelFormat {
+            hardware_accelerated: (output.dwFlags & winapi::PFD_GENERIC_FORMAT) == 0,
             red_bits: output.cRedBits,
             green_bits: output.cGreenBits,
             blue_bits: output.cBlueBits,
@@ -476,6 +472,7 @@ fn enumerate_arb_pixel_formats(extra: &gl::wgl_extra::Wgl, hdc: winapi::HDC)
         }
 
         result.push((PixelFormat {
+            hardware_accelerated: true,
             red_bits: get_info(index, gl::wgl_extra::RED_BITS_ARB) as u8,
             green_bits: get_info(index, gl::wgl_extra::GREEN_BITS_ARB) as u8,
             blue_bits: get_info(index, gl::wgl_extra::BLUE_BITS_ARB) as u8,
-- 
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