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include/engine/core/texture_parm.h

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+/* -----------------------------------------------------------------------------
+	GSFramework
+	Copyright 2001-2013 Emmanuel Julien. All Rights Reserved.
+----------------------------------------------------------------------------- */
+
+
+#ifndef	__NTEXTUREPARM__
+#define	__NTEXTUREPARM__
+
+
+		#include "reflection/c_refl.h"
+		#include "reflection/nenum_string.h"
+		#include "nstring/nstring.h"
+
+
+namespace GS {
+	class Picture;
+
+	namespace NML { class Tag; }
+	namespace Render {
+		struct Texture;
+
+//
+struct	TextureParm
+{
+		/// Get texture parameter file name from texture name.
+static	String		GetParmFileName(const char *);
+
+static	Reflection::Property serializable[];
+
+enum	Filtering
+{
+	FilterDefault			=	0,
+	FilterNearest,
+	FilterBilinear,
+	FilterTrilinear,
+
+	FilterLast
+};
+static	Reflection::Enum::Dict filtering_dict[];
+
+enum	Anisotropy
+{
+	AnisotropyDefault		=	0,
+	AnisotropyNone,
+	Anisotropy2x,
+	Anisotropy4x,
+	Anisotropy8x,
+	Anisotropy16x,
+
+	AnisotropyLast
+};
+static	Reflection::Enum::Dict anisotropic_dict[];
+
+enum	Wrap
+{
+	WrapDefault				=	0,
+	WrapRepeat,
+	WrapClamp,
+
+	WrapLast
+};
+static	Reflection::Enum::Dict wrap_dict[];
+
+enum	Swizzle
+{
+	SwizzleRGBA				=	0,	// identity
+	SwizzleBGRA,
+	SwizzleARGB,
+	SwizzleABGR,
+	SwizzleXYZ,						// identity
+	SwizzleXZY,
+	SwizzleYXZ,
+	SwizzleYZX,
+	SwizzleZXY,
+	SwizzleZYX,
+
+	SwizzleLast
+};
+static	Reflection::Enum::Dict swizzle_dict[];
+
+static	const char	*GetSwizzleFlags(Swizzle);
+
+		Wrap		wrap_u, wrap_v;
+		Filtering	filtering;
+		Anisotropy	anisotropy;
+
+		float		lod_bias;
+
+		Swizzle		swizzle;
+
+		bool		invert[4];
+		bool		flip[2];
+
+		void		Apply(Picture &) const;
+		void		Apply(Texture &) const;
+
+		bool		FromMetaTag(NML::Tag &);
+		NML::Tag	*AsMetaTag() const;
+
+		TextureParm()
+		{
+			wrap_u = wrap_v = WrapDefault;
+			filtering = FilterDefault;
+			anisotropy = AnisotropyDefault;
+
+			lod_bias = 0.f;
+
+			swizzle = SwizzleRGBA;
+			for	(uchar n = 0; n < 4; ++n)
+				invert[n] = false;
+			flip[0] = flip[1] = false;
+		}
+};
+
+	} // Render
+} // GS
+
+
+#endif // __NTEXTUREPARM__