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Merge pull request #7853 from Mailaender/alpha-experiments

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Added AlphaImage support
This commit is contained in:
Paul Chote
2015-04-25 19:03:25 +12:00
parent e452aba9e4 dd689de0e6
commit d8f24adcc7
7 changed files with 28 additions and 6 deletions
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10
OpenRA.Renderer.Sdl2/Sdl2GraphicsDevice.cs
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@@ -267,6 +267,16 @@ namespace OpenRA.Renderer.Sdl2
ErrorHandler.CheckGlError();
GL.BlendColor(1f, 1f, 1f, 0.75f);
break;
case BlendMode.Multiplicative:
GL.Enable(EnableCap.Blend);
ErrorHandler.CheckGlError();
GL.BlendFunc(BlendingFactorSrc.Zero, BlendingFactorDest.SrcColor);
break;
case BlendMode.DoubleMultiplicative:
GL.Enable(EnableCap.Blend);
ErrorHandler.CheckGlError();
GL.BlendFunc(BlendingFactorSrc.DstColor, BlendingFactorDest.SrcColor);
break;
}
ErrorHandler.CheckGlError();