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source: trunk/nv/interface/device.hh @ 501

Last change on this file since 501 was 501, checked in by epyon, 9 years ago
particle engine updates device/context redesign caching of GL state - texture bindings and programs camera view_perspective and view_perspective_inv
File size: 10.9 KB

Rev	Line
[395]	1	// Copyright (C) 2012-2015 ChaosForge Ltd
[32]	2	// http://chaosforge.org/
	3	//
[395]	4	// This file is part of Nova libraries.
	5	// For conditions of distribution and use, see copying.txt file in root folder.
	6
[32]	7	/**
	8	* @file device.hh
	9	* @author Kornel Kisielewicz epyon@chaosforge.org
	10	* @brief Device class
	11	*/
	12
[395]	13	#ifndef NV_INTERFACE_DEVICE_HH
	14	#define NV_INTERFACE_DEVICE_HH
[32]	15
[395]	16	#include <nv/common.hh>
[368]	17	#include <nv/stl/string.hh>
	18	#include <nv/stl/handle.hh>
[439]	19	#include <nv/stl/hash_store.hh>
[303]	20	#include <nv/interface/uniform.hh>
[238]	21	#include <nv/interface/mesh_data.hh>
[90]	22	#include <nv/interface/image_data.hh>
[32]	23
	24	namespace nv
	25	{
	26	class window;
	27
[331]	28	enum output_slot
	29	{
	30	OUTPUT_0 = 0,
	31	OUTPUT_1 = 1,
	32	OUTPUT_2 = 2,
	33	OUTPUT_3 = 3,
	34	OUTPUT_4 = 4,
	35	OUTPUT_5 = 5,
	36	OUTPUT_6 = 6,
	37	OUTPUT_7 = 7,
	38
	39	OUTPUT_NONE = 16,
	40	OUTPUT_FRONT = 17,
	41	OUTPUT_BACK = 18,
	42	};
	43
	44	enum texture_type
	45	{
	46	TEXTURE_1D,
	47	TEXTURE_2D,
	48	TEXTURE_RECT,
	49	TEXTURE_3D,
	50	TEXTURE_CUBE,
[463]	51	TEXTURE_1D_ARRAY,
	52	TEXTURE_2D_ARRAY,
[491]	53	TEXTURE_1D_BUFFER,
[492]	54	TEXTURE_2D_MULTISAMPLE,
[331]	55	};
	56
[303]	57	enum texture_slot
	58	{
[491]	59	TEX_DIFFUSE = 0,
	60	TEX_NORMAL = 1,
	61	TEX_METALLIC = 2,
	62	TEX_SPECULAR = 2, // obsolete
	63	TEX_ROUGHNESS = 3,
	64	TEX_GLOSS = 3, // obsolete
	65	TEX_EMISSIVE = 4,
	66	TEXTURE_0 = 0,
	67	TEXTURE_1 = 1,
	68	TEXTURE_2 = 2,
	69	TEXTURE_3 = 3,
	70	TEXTURE_4 = 4,
	71	TEXTURE_5 = 5,
	72	TEXTURE_6 = 6,
	73	TEXTURE_7 = 7,
	74	TEXTURE_8 = 8,
	75	TEXTURE_9 = 9,
	76	TEXTURE_10 = 10,
	77	TEXTURE_11 = 11,
	78	TEXTURE_12 = 12,
	79	TEXTURE_13 = 13,
	80	TEXTURE_14 = 14,
	81	TEXTURE_15 = 15,
[492]	82	MAX_TEXTURES = 16,
[303]	83	};
	84
	85
	86	struct attribute
	87	{
	88	int location;
	89	datatype type;
	90	int length;
	91	};
	92
[439]	93	typedef hash_store< shash64, attribute > attribute_map;
[303]	94
[302]	95	struct texture_tag {};
	96	struct buffer_tag {};
[303]	97	struct program_tag {};
[473]	98
[302]	99	typedef handle< uint32, 16, 16, buffer_tag > buffer;
	100	typedef handle< uint32, 16, 16, texture_tag > texture;
[303]	101	typedef handle< uint32, 16, 16, program_tag > program;
[302]	102
[473]	103	NV_RTTI_DECLARE_NAME( buffer, "buffer" )
	104	NV_RTTI_DECLARE_NAME( texture, "texture" )
	105	NV_RTTI_DECLARE_NAME( program, "program" )
	106
[301]	107	struct sampler
	108	{
	109	enum filter
	110	{
	111	LINEAR,
	112	NEAREST,
	113	NEAREST_MIPMAP_NEAREST,
	114	LINEAR_MIPMAP_NEAREST,
	115	NEAREST_MIPMAP_LINEAR,
	116	LINEAR_MIPMAP_LINEAR
	117	};
	118	enum wrap
	119	{
	120	CLAMP_TO_EDGE,
	121	CLAMP_TO_BORDER,
	122	MIRRORED_REPEAT,
	123	REPEAT
	124	};
	125
	126	filter filter_min;
	127	filter filter_max;
	128	wrap wrap_s;
	129	wrap wrap_t;
	130
	131	sampler() : filter_min( LINEAR ), filter_max( LINEAR ), wrap_s( REPEAT ), wrap_t( REPEAT ) {}
	132	sampler( filter min, filter max, wrap s, wrap t )
	133	: filter_min( min ), filter_max( max ), wrap_s( s ), wrap_t( t ) {}
	134	sampler( filter f, wrap w )
	135	: filter_min( f ), filter_max( f ), wrap_s( w ), wrap_t( w ) {}
	136
	137	};
	138
[410]	139	enum buffer_hint
	140	{
	141	STATIC_DRAW,
	142	STREAM_DRAW,
	143	DYNAMIC_DRAW
	144	};
	145
[412]	146	enum buffer_type
	147	{
	148	VERTEX_BUFFER,
	149	INDEX_BUFFER,
[473]	150	UNIFORM_BUFFER,
[491]	151	TEXTURE_BUFFER,
[412]	152	};
	153
[499]	154	enum buffer_access
	155	{
	156	WRITE_UNSYNCHRONIZED,
	157	};
	158
[302]	159	struct buffer_info
	160	{
	161	buffer_type type;
	162	buffer_hint hint;
	163	size_t size;
	164	};
	165
	166
[301]	167	struct texture_info
	168	{
[331]	169	texture_type type;
[463]	170	ivec3 size;
[301]	171	image_format format;
[323]	172	sampler tsampler;
[301]	173	};
	174
[302]	175	struct vertex_buffer_attribute
	176	{
	177	buffer vbuffer;
	178	datatype dtype;
	179	size_t components;
	180	size_t offset;
	181	size_t stride;
	182	slot location;
	183	bool owner;
	184	};
[301]	185
[303]	186	struct program_info
	187	{
[392]	188	attribute_map* m_attribute_map;
	189	uniform_map* m_uniform_map;
	190	engine_uniform_list* m_engine_uniforms;
[303]	191	};
	192
[32]	193	class device
	194	{
[302]	195	friend class context;
[32]	196	public:
[303]	197	device()
	198	{
	199	initialize_engine_uniforms();
	200	}
[501]	201	protected:
[399]	202	virtual program create_program( string_view vs_source, string_view fs_source ) = 0;
[501]	203	virtual buffer create_buffer( buffer_type type, buffer_hint hint ) = 0;
[491]	204	virtual texture create_texture( texture_type type, pixel_format format ) = 0;
	205
[331]	206	// TODO: remove?
[501]	207	// virtual texture create_texture( ivec2 size, image_format aformat, sampler asampler, const void* data = nullptr ) { return create_texture( TEXTURE_2D, size, aformat, asampler, data ); }
[491]	208
[501]	209	virtual void release( texture ) = 0;
	210	virtual void release( buffer ) = 0;
	211	virtual void release( program ) = 0;
	212	public:
[491]	213
	214
[399]	215	virtual image_data* create_image_data( string_view filename ) = 0; // temporary
[350]	216	virtual image_data* create_image_data( const uint8* data, uint32 size ) = 0; // temporary
[303]	217	virtual const texture_info* get_texture_info( texture ) const = 0;
	218	virtual const buffer_info* get_buffer_info( buffer ) const = 0;
[438]	219	virtual string_view get_shader_header() const = 0;
[303]	220
[501]	221	virtual int get_attribute_location( program p, const string_view& name, bool fatal = true ) const = 0;
	222	virtual int get_block_location( program p, const string_view& name, bool fatal = true ) const = 0;
	223	virtual bool bind_block( program p, const string_view& name, uint32 index ) = 0;
[292]	224
[501]	225	virtual ~device()
[303]	226	{
[501]	227	destroy_engine_uniforms();
[303]	228	}
[238]	229
[303]	230	template < typename T >
[492]	231	bool set_uniform_array( program p, const string_view& name, const T* value, uint32 count, bool fatal = true )
[303]	232	{
	233	uniform_base* base = get_uniform( p, name, fatal );
	234	if ( base != nullptr )
	235	{
	236	if ( base->type_check( type_to_enum<T>::type ) )
	237	{
	238	// TODO: nicer check
[406]	239	NV_ASSERT( static_cast<int>( count ) <= base->get_length(), "LENGTH CHECK FAIL" );
[501]	240	static_cast<uniform<T>*>( base )->set_value( value, count );
[492]	241	return true;
[303]	242	}
	243	}
[492]	244	return false;
[303]	245	}
	246
	247	template < typename T >
[492]	248	bool set_opt_uniform_array( program p, const string_view& name, const T* value, uint32 count )
[303]	249	{
[492]	250	return set_uniform_array( p, name, value, count, false );
[303]	251	}
	252
	253	template < typename T >
[492]	254	bool set_opt_uniform_array( program p, const string_view& name, const array_view<T>& value )
[303]	255	{
[492]	256	return set_uniform_array( p, name, value.data(), value.size(), false );
[303]	257	}
	258
	259
	260	template < typename T >
[492]	261	bool set_uniform( program p, const string_view& name, const T& value, bool fatal = true )
[303]	262	{
	263	uniform_base* base = get_uniform( p, name, fatal );
	264	if ( base != nullptr )
	265	{
	266	if ( base->type_check( type_to_enum<T>::type ) )
	267	{
[501]	268	static_cast<uniform<T>*>( base )->set_value( value );
[492]	269	return true;
[303]	270	}
	271	}
[492]	272	return false;
[303]	273	}
	274
	275	template < typename T >
[492]	276	bool set_opt_uniform( program p, const string_view& name, const T& value )
[303]	277	{
[492]	278	return set_uniform( p, name, value, false );
[303]	279	}
	280
	281	// This is done this way to avoid compilation unit creation
	282	static engine_uniform_factory_map& get_uniform_factory()
	283	{
	284	static engine_uniform_factory_map s_engine_uniform_factory_map;
	285	return s_engine_uniform_factory_map;
	286	}
	287
	288	// This is done this way to avoid compilation unit creation
	289	static engine_link_uniform_factory_map& get_link_uniform_factory()
	290	{
	291	static engine_link_uniform_factory_map s_engine_link_uniform_factory_map;
	292	return s_engine_link_uniform_factory_map;
	293	}
	294
	295	virtual void prepare_program( program p ) = 0;
	296
[302]	297	protected:
[501]	298
[439]	299	virtual uniform_base* get_uniform( program p, const string_view& name, bool fatal = true ) const = 0;
[303]	300
	301	void initialize_engine_uniforms()
	302	{
	303	engine_uniform_factory_map& factory_map = get_uniform_factory();
[486]	304	factory_map[ "nv_f_near"] = new engine_uniform_factory< engine_uniform_f_near >();
	305	factory_map[ "nv_f_far"] = new engine_uniform_factory< engine_uniform_f_far >();
[462]	306	factory_map[ "nv_m_view" ] = new engine_uniform_factory< engine_uniform_m_view >();
	307	factory_map[ "nv_m_view_inv" ] = new engine_uniform_factory< engine_uniform_m_view_inv >();
	308	factory_map[ "nv_m_model" ] = new engine_uniform_factory< engine_uniform_m_model >();
	309	factory_map[ "nv_m_model_inv" ] = new engine_uniform_factory< engine_uniform_m_model_inv >();
	310	factory_map[ "nv_m_modelview" ] = new engine_uniform_factory< engine_uniform_m_modelview >();
	311	factory_map[ "nv_m_modelview_inv" ] = new engine_uniform_factory< engine_uniform_m_modelview_inv >();
	312	factory_map[ "nv_m_projection" ] = new engine_uniform_factory< engine_uniform_m_projection >();
[472]	313	factory_map[ "nv_m_projection_inv"] = new engine_uniform_factory< engine_uniform_m_projection_inv >();
[501]	314	factory_map[ "nv_m_viewprojection" ] = new engine_uniform_factory< engine_uniform_m_viewprojection >();
	315	factory_map[ "nv_m_viewprojection_inv" ] = new engine_uniform_factory< engine_uniform_m_viewprojection_inv >();
[462]	316	factory_map[ "nv_m_normal" ] = new engine_uniform_factory< engine_uniform_m_normal >();
	317	factory_map[ "nv_m_mvp" ] = new engine_uniform_factory< engine_uniform_m_mvp >();
[472]	318	factory_map[ "nv_m_mvp_inv"] = new engine_uniform_factory< engine_uniform_m_mvp_inv >();
[303]	319	factory_map[ "nv_v_camera_position" ] = new engine_uniform_factory< engine_uniform_v_camera_position >();
	320	factory_map[ "nv_v_camera_direction" ] = new engine_uniform_factory< engine_uniform_v_camera_direction >();
[342]	321	factory_map[ "nv_v_viewport" ] = new engine_uniform_factory< engine_uniform_v_viewport >();
	322	factory_map[ "nv_v_screen_size" ] = new engine_uniform_factory< engine_uniform_v_screen_size >();
[303]	323
	324	engine_link_uniform_factory_map& factory_link_map = get_link_uniform_factory();
[491]	325	factory_link_map[ "nv_texture_0" ] = new engine_link_uniform_int<0>();
	326	factory_link_map[ "nv_texture_1" ] = new engine_link_uniform_int<1>();
	327	factory_link_map[ "nv_texture_2" ] = new engine_link_uniform_int<2>();
	328	factory_link_map[ "nv_texture_3" ] = new engine_link_uniform_int<3>();
	329	factory_link_map[ "nv_texture_4" ] = new engine_link_uniform_int<4>();
	330	factory_link_map[ "nv_texture_5" ] = new engine_link_uniform_int<5>();
	331	factory_link_map[ "nv_texture_6" ] = new engine_link_uniform_int<6>();
	332	factory_link_map[ "nv_texture_7" ] = new engine_link_uniform_int<7>();
[501]	333	factory_link_map[ "nv_texture_8" ] = new engine_link_uniform_int<8>();
	334	factory_link_map[ "nv_texture_9" ] = new engine_link_uniform_int<9>();
[491]	335	factory_link_map[ "nv_t_diffuse" ] = new engine_link_uniform_int<int( TEX_DIFFUSE )>();
	336	factory_link_map[ "nv_t_normal" ] = new engine_link_uniform_int<int( TEX_NORMAL )>();
	337	factory_link_map[ "nv_t_metallic" ] = new engine_link_uniform_int<int( TEX_METALLIC )>();
	338	factory_link_map[ "nv_t_specular" ] = new engine_link_uniform_int<int( TEX_METALLIC )>();
	339	factory_link_map[ "nv_t_roughness"] = new engine_link_uniform_int<int( TEX_ROUGHNESS )>();
	340	factory_link_map[ "nv_t_gloss" ] = new engine_link_uniform_int<int( TEX_ROUGHNESS )>();
	341	factory_link_map[ "nv_t_emissive" ] = new engine_link_uniform_int<int( TEX_EMISSIVE )>();
[303]	342	}
	343	void destroy_engine_uniforms()
	344	{
	345	for ( auto& i : get_uniform_factory() ) delete i.second;
	346	for ( auto& i : get_link_uniform_factory() ) delete i.second;
	347	get_uniform_factory().clear();
	348	get_link_uniform_factory().clear();
	349	}
	350
[32]	351	};
	352
	353	} // namespace nv
	354
	355
[395]	356	#endif // NV_INTERFACE_DEVICE_HH

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