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Retry hardware cursor creation.

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On Windows, a spurious error sometimes occur when creating cursors. We retry a few times before before having to give up and fall back to software cursors.
This commit is contained in:
RoosterDragon
2015-04-21 20:27:06 +01:00
parent c963806dae
commit 13078c820b
1 changed files with 3 additions and 1 deletions
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4
OpenRA.Renderer.Sdl2/Sdl2GraphicsDevice.cs
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@@ -144,7 +144,9 @@ namespace OpenRA.Renderer.Sdl2
var sur = (SDL2.SDL.SDL_Surface)Marshal.PtrToStructure(surface, typeof(SDL2.SDL.SDL_Surface)); var sur = (SDL2.SDL.SDL_Surface)Marshal.PtrToStructure(surface, typeof(SDL2.SDL.SDL_Surface));
Marshal.Copy(data, 0, sur.pixels, data.Length); Marshal.Copy(data, 0, sur.pixels, data.Length);
Cursor = SDL.SDL_CreateColorCursor(surface, hotspot.X, hotspot.Y); // This call very occasionally fails on Windows, but often works when retried.
for (var retries = 0; retries < 3 && Cursor == IntPtr.Zero; retries++)
Cursor = SDL.SDL_CreateColorCursor(surface, hotspot.X, hotspot.Y);
if (Cursor == IntPtr.Zero) if (Cursor == IntPtr.Zero)
throw new InvalidDataException("Failed to create cursor: {0}".F(SDL.SDL_GetError())); throw new InvalidDataException("Failed to create cursor: {0}".F(SDL.SDL_GetError()));
} }