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include/engine/gpu/gpu_display_list.h

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+/* -----------------------------------------------------------------------------
+	GSFramework
+	Copyright 2001-2013 Emmanuel Julien. All Rights Reserved.
+----------------------------------------------------------------------------- */
+
+
+#ifndef	__GPUDISPLAYLIST__
+#define __GPUDISPLAYLIST__
+
+
+		#include "gpu/gpu_vbo.h"
+		#include "core/render_data.h"
+		#include "memory/nauto_ptr.h"
+
+
+namespace GS {
+
+	namespace Core {
+		struct Trilist;
+		struct Patch;
+		class Emitter;
+		class Item;
+	}
+	namespace GPU {
+		class Renderer;
+
+//
+struct	DisplayList
+{
+		NPLACEMENT_NEW(Renderer)
+
+		Renderer		&renderer;
+
+		AutoPtr <VBO>	idx, vtx;
+		Array <ushort>	idx_map;
+		Array <char>	vtx_map;
+		size_t			stride;
+
+		MinMax			minmax;
+
+		uint			index_count;
+
+		size_t			vertex_offset,
+						normal_offset,
+						rgb_offset,
+						uv_offset[__UV_PER_GEOMETRY__],
+						tangent_offset,
+						skinning_offset;
+
+		Array <ushort>	bone;
+
+		Render::sMaterial material;
+
+		/// Create display list from a triangle list.
+virtual	bool			Create(Core::Trilist *, Render::Material *);
+		/// Draw display list.
+virtual	void			Draw() = 0;
+
+		DisplayList(Renderer &r) : renderer(r)
+		{
+			idx = 0;
+			vtx = 0;
+
+			index_count = 0;
+
+			vertex_offset = (size_t)-1;
+			normal_offset = (size_t)-1;
+			rgb_offset = (size_t)-1;
+			for	(uint n = 0; n < __UV_PER_GEOMETRY__; ++n)
+				uv_offset[n] = (size_t)-1;
+			tangent_offset = (size_t)-1;
+			skinning_offset = (size_t)-1;
+
+			stride = 0;
+		}
+virtual	~DisplayList() {}
+};
+
+//
+struct	RenderPrimitive
+{
+		NPLACEMENT_NEW(Renderer)
+
+enum Type
+{
+		TypeDisplayList		=	0,
+		TypeEmitter,
+		TypeTerrainPatch
+};
+
+		Type		type;
+		const Core::Item *item;
+
+		union
+		{
+			DisplayList		*dlst;
+			Core::Emitter	*emitter;
+			Core::Patch		*patch;
+		};
+
+		bool		operator == (const RenderPrimitive &b)
+		{	return (type == b.type) && (item == b.item) && (dlst == b.dlst);	}
+
+		RenderPrimitive(const Core::Item *i, DisplayList *d) : type(TypeDisplayList), item(i), dlst(d) {}
+		RenderPrimitive(const Core::Item *i, Core::Emitter *e) : type(TypeEmitter), item(i), emitter(e) {}
+		RenderPrimitive(const Core::Item *i, Core::Patch *p) : type(TypeTerrainPatch), item(i), patch(p) {}
+};
+
+	} // GPU
+} // GS
+
+
+#endif	// __GPUDISPLAYLIST__