X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fpixelformat.cpp;h=91f102261cf63006d933b017427656adc8cb867d;hb=8ac93980ef87834fd431c97104baa441561a7ce0;hp=27a814e21e1c30b946c24cf2fad6287dc073a664;hpb=b617c5d7b5283ad260a77f01e42e6170cabbc03d;p=libs%2Fgl.git

diff --git a/source/pixelformat.cpp b/source/pixelformat.cpp
index 27a814e2..91f10226 100644
--- a/source/pixelformat.cpp
+++ b/source/pixelformat.cpp
@@ -65,5 +65,25 @@ PixelFormat pixelformat_from_graphics(Graphics::PixelFormat pf)
 	}
 }
 
+PixelFormat get_base_pixelformat(PixelFormat pf)
+{
+	switch(pf)
+	{
+	case RGB8:
+	case RGB16F:
+	case RGB32F: return RGB;
+	case RGBA8:
+	case RGBA16F:
+	case RGBA32F: return RGBA;
+	case LUMINANCE8:
+	case LUMINANCE16F:
+	case LUMINANCE32F: return LUMINANCE;
+	case LUMINANCE_ALPHA8:
+	case LUMINANCE_ALPHA16F:
+	case LUMINANCE_ALPHA32F: return LUMINANCE_ALPHA;
+	default: return pf;
+	}
+}
+
 } // namespace GL
 } // namespace Msp