Merging r5975 through r6036 from trunk to ogl-es branch.

GLES drivers adapted, but only did make compile-tests.


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/branches/ogl-es@6038 dfc29bdd-3216-0410-991c-e03cc46cb475

tests/color.cpp

@@ -0,0 +1,21 @@
+#include "testUtils.h"
+
+using namespace irr;
+using namespace video;
+
+bool rounding()
+{
+    SColorf colf(0.003922f, 0.007843f, 0.011765f); // test-values by virion which once failed
+    SColor col = colf.toSColor();
+    return col.getRed() == 1 && col.getGreen() == 2 && col.getBlue() == 3;
+}
+
+//! Test SColor and SColorf
+bool color(void)
+{
+	bool ok = true;
+
+    ok &= rounding();
+
+	return ok;
+}