X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fmaterials%2Fsplatmaterial.h;fp=source%2Fmaterials%2Fsplatmaterial.h;h=a9dafdbf702627d8315454909240ccf40db3c6c1;hp=0000000000000000000000000000000000000000;hb=5593d59bfe30fd7eecc55bc3580d87fcb91f0248;hpb=e196a09d1df1e8504ff037d1701b7159c4f04e84

diff --git a/source/materials/splatmaterial.h b/source/materials/splatmaterial.h
new file mode 100644
index 00000000..a9dafdbf
--- /dev/null
+++ b/source/materials/splatmaterial.h
@@ -0,0 +1,117 @@
+#ifndef MSP_GL_SPLATMATERIAL_H_
+#define MSP_GL_SPLATMATERIAL_H_
+
+#include "material.h"
+
+namespace Msp {
+namespace GL {
+
+class Texture;
+class Texture2DArray;
+
+class SplatMaterial: public Material, public NonCopyable
+{
+private:
+	struct MapArray;
+
+public:
+	class Loader: public DataFile::DerivedObjectLoader<SplatMaterial, PropertyLoader<SplatMaterial>>
+	{
+	private:
+		static ActionMap shared_actions;
+
+	public:
+		Loader(SplatMaterial &, Collection &);
+
+	private:
+		virtual void init_actions();
+		virtual void finish();
+
+		void map_storage(MapArray SplatMaterial::*, PixelFormat, unsigned, unsigned);
+		void sub();
+	};
+
+private:
+	struct SubMap
+	{
+		std::string source_fn;
+		int layer = -1;
+	};
+
+	struct SubMaterial
+	{
+		class Loader: public DataFile::ObjectLoader<SubMaterial>
+		{
+		private:
+			static ActionMap shared_actions;
+
+		public:
+			Loader(SubMaterial &);
+
+		private:
+			virtual void init_actions();
+
+			void base_color(float, float, float);
+			void emission(float, float, float);
+			void map(SubMap SubMaterial::*, const std::string &);
+			void tint(float, float, float, float);
+		};
+
+		Color base_color = { 0.8f };
+		Color tint = { 1.0f };
+		float metalness = 0.0f;
+		float roughness = 0.5f;
+		Color emission = { 0.0f };
+		SubMap base_color_map;
+		SubMap normal_map;
+		SubMap metalness_map;
+		SubMap roughness_map;
+		SubMap occlusion_map;
+		SubMap emission_map;
+	};
+
+	struct MapArray
+	{
+		Texture2DArray *texture = 0;
+		PixelFormat format = NO_PIXELFORMAT;
+		unsigned width = 0;
+		unsigned height = 0;
+		unsigned max_layers = 0;
+
+		void create();
+	};
+
+	std::vector<SubMaterial> sub_materials;
+	MapArray base_color_array;
+	MapArray normal_array;
+	MapArray metalness_array;
+	MapArray roughness_array;
+	MapArray occlusion_array;
+	MapArray emission_array;
+	const Texture2D &fresnel_lookup;
+	const Sampler &fresnel_sampler;
+
+	static const Tag texture_tags[];
+
+public:
+	SplatMaterial();
+	~SplatMaterial();
+
+protected:
+	virtual void fill_program_info(std::string &, std::map<std::string, int> &) const;
+
+public:
+	virtual const Tag *get_texture_tags() const { return texture_tags; }
+	virtual const Texture *get_texture(Tag) const;
+	virtual const Sampler *get_sampler(Tag) const;
+
+private:
+	void set_sub_uniforms(unsigned);
+	void upload_sub(DataFile::Collection &, unsigned);
+	void upload_sub_map(DataFile::Collection &, unsigned, SubMap SubMaterial::*, MapArray &, const char *);
+};
+
+} // namespace GL
+} // namespace Msp
+
+#endif