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Improved and simplified behavior of RelaxParameters. Removed unused code.

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This commit is contained in:
the_fiddler 2010-11-11 19:32:22 +00:00
parent 1f715a0c1a
commit 294f23f34a
1 changed files with 15 additions and 13 deletions
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28
Source/OpenTK/Platform/Windows/WinGraphicsMode.cs
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@ -35,12 +35,10 @@ using OpenTK.Graphics;
namespace OpenTK.Platform.Windows namespace OpenTK.Platform.Windows
{ {
internal class WinGraphicsMode : IGraphicsMode class WinGraphicsMode : IGraphicsMode
{ {
#region Fields #region Fields
// To avoid recursion when calling GraphicsMode.Default
bool creating;
readonly List<GraphicsMode> modes = new List<GraphicsMode>(); readonly List<GraphicsMode> modes = new List<GraphicsMode>();
static readonly object SyncRoot = new object(); static readonly object SyncRoot = new object();
@ -57,6 +55,9 @@ namespace OpenTK.Platform.Windows
modes.AddRange(GetModesARB(native)); modes.AddRange(GetModesARB(native));
if (modes.Count == 0) if (modes.Count == 0)
modes.AddRange(GetModesPFD(native)); modes.AddRange(GetModesPFD(native));
if (modes.Count == 0)
throw new GraphicsModeException(
"No GraphicsMode available. This should never happen, please report a bug at http://www.opentk.com");
} }
modes.Sort(new GraphicsModeComparer()); modes.Sort(new GraphicsModeComparer());
} }
@ -79,6 +80,9 @@ namespace OpenTK.Platform.Windows
} while (mode == null && RelaxParameters( } while (mode == null && RelaxParameters(
ref color, ref depth, ref stencil, ref samples, ref accum, ref buffers, ref stereo)); ref color, ref depth, ref stencil, ref samples, ref accum, ref buffers, ref stereo));
if (mode == null)
mode = modes[0];
return mode; return mode;
} }
@ -89,17 +93,15 @@ namespace OpenTK.Platform.Windows
if (buffers != 2) { buffers = 2; return true; } if (buffers != 2) { buffers = 2; return true; }
if (accum != 0) { accum = 0; return true; } if (accum != 0) { accum = 0; return true; }
if (samples != 0) { samples = 0; return true; } if (samples != 0) { samples = 0; return true; }
if (color == 32 && depth == 24 && stencil != 8) { color = 32; depth = 24; stencil = 8; return true; } if (depth < 16) { depth = 16; return true; }
if (color == 32 && depth == 24 && stencil == 8) { color = 32; depth = 24; stencil = 0; return true; } if (depth != 24) { depth = 24; return true; }
if (color == 32 && depth != 16) { color = 32; depth = 16; stencil = 0; return true; } if (stencil > 0 && stencil != 8) { stencil = 8; return true; }
if (color == 24 && depth == 24 && stencil != 8) { color = 24; depth = 24; stencil = 8; return true; } if (stencil == 8) { stencil = 0; return true; }
if (color == 24 && depth == 24 && stencil == 8) { color = 24; depth = 24; stencil = 0; return true; } if (color < 8) { color = 8; return true; }
if (color == 24 && depth != 16) { color = 24; depth = 16; stencil = 0; return true; }
if (color == 16 && depth == 24 && stencil != 8) { color = 16; depth = 24; stencil = 8; return true; }
if (color == 16 && depth == 24 && stencil == 8) { color = 16; depth = 24; stencil = 0; return true; }
if (color == 16 && depth != 16) { color = 16; depth = 16; stencil = 0; return true; }
if (color < 16) { color = 16; return true; } if (color < 16) { color = 16; return true; }
return false; if (color < 24) { color = 24; return true; }
if (color < 32 || color > 32) { color = 32; return true; }
return false; // We tried everything we could, no match found.
} }
#endregion #endregion