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source: trunk/nv/interface/device.hh @ 491

Last change on this file since 491 was 491, checked in by epyon, 9 years ago
mass update (will try to do atomic from now)
File size: 11.2 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,
[331]	54	};
	55
[303]	56	enum texture_slot
	57	{
[491]	58	TEX_DIFFUSE = 0,
	59	TEX_NORMAL = 1,
	60	TEX_METALLIC = 2,
	61	TEX_SPECULAR = 2, // obsolete
	62	TEX_ROUGHNESS = 3,
	63	TEX_GLOSS = 3, // obsolete
	64	TEX_EMISSIVE = 4,
	65	TEXTURE_0 = 0,
	66	TEXTURE_1 = 1,
	67	TEXTURE_2 = 2,
	68	TEXTURE_3 = 3,
	69	TEXTURE_4 = 4,
	70	TEXTURE_5 = 5,
	71	TEXTURE_6 = 6,
	72	TEXTURE_7 = 7,
	73	TEXTURE_8 = 8,
	74	TEXTURE_9 = 9,
	75	TEXTURE_10 = 10,
	76	TEXTURE_11 = 11,
	77	TEXTURE_12 = 12,
	78	TEXTURE_13 = 13,
	79	TEXTURE_14 = 14,
	80	TEXTURE_15 = 15,
[303]	81	};
	82
	83
	84	struct attribute
	85	{
	86	int location;
	87	datatype type;
	88	int length;
	89	};
	90
[439]	91	typedef hash_store< shash64, attribute > attribute_map;
[303]	92
[302]	93	struct texture_tag {};
	94	struct buffer_tag {};
[303]	95	struct program_tag {};
[473]	96
[302]	97	typedef handle< uint32, 16, 16, buffer_tag > buffer;
	98	typedef handle< uint32, 16, 16, texture_tag > texture;
[303]	99	typedef handle< uint32, 16, 16, program_tag > program;
[302]	100
[473]	101	NV_RTTI_DECLARE_NAME( buffer, "buffer" )
	102	NV_RTTI_DECLARE_NAME( texture, "texture" )
	103	NV_RTTI_DECLARE_NAME( program, "program" )
	104
[301]	105	struct sampler
	106	{
	107	enum filter
	108	{
	109	LINEAR,
	110	NEAREST,
	111	NEAREST_MIPMAP_NEAREST,
	112	LINEAR_MIPMAP_NEAREST,
	113	NEAREST_MIPMAP_LINEAR,
	114	LINEAR_MIPMAP_LINEAR
	115	};
	116	enum wrap
	117	{
	118	CLAMP_TO_EDGE,
	119	CLAMP_TO_BORDER,
	120	MIRRORED_REPEAT,
	121	REPEAT
	122	};
	123
	124	filter filter_min;
	125	filter filter_max;
	126	wrap wrap_s;
	127	wrap wrap_t;
	128
	129	sampler() : filter_min( LINEAR ), filter_max( LINEAR ), wrap_s( REPEAT ), wrap_t( REPEAT ) {}
	130	sampler( filter min, filter max, wrap s, wrap t )
	131	: filter_min( min ), filter_max( max ), wrap_s( s ), wrap_t( t ) {}
	132	sampler( filter f, wrap w )
	133	: filter_min( f ), filter_max( f ), wrap_s( w ), wrap_t( w ) {}
	134
	135	};
	136
[410]	137	enum buffer_hint
	138	{
	139	STATIC_DRAW,
	140	STREAM_DRAW,
	141	DYNAMIC_DRAW
	142	};
	143
[412]	144	enum buffer_type
	145	{
	146	VERTEX_BUFFER,
	147	INDEX_BUFFER,
[473]	148	UNIFORM_BUFFER,
[491]	149	TEXTURE_BUFFER,
[412]	150	};
	151
[302]	152	struct buffer_info
	153	{
	154	buffer_type type;
	155	buffer_hint hint;
	156	size_t size;
	157	};
	158
	159
[301]	160	struct texture_info
	161	{
[331]	162	texture_type type;
[463]	163	ivec3 size;
[301]	164	image_format format;
[323]	165	sampler tsampler;
[301]	166	};
	167
[302]	168	struct vertex_buffer_attribute
	169	{
	170	buffer vbuffer;
	171	datatype dtype;
	172	size_t components;
	173	size_t offset;
	174	size_t stride;
	175	slot location;
	176	bool owner;
	177	};
[301]	178
[303]	179	struct program_info
	180	{
[392]	181	attribute_map* m_attribute_map;
	182	uniform_map* m_uniform_map;
	183	engine_uniform_list* m_engine_uniforms;
[303]	184	};
	185
[32]	186	class device
	187	{
[302]	188	friend class context;
[32]	189	public:
[303]	190	device()
	191	{
	192	initialize_engine_uniforms();
	193	}
[399]	194	virtual program create_program( string_view vs_source, string_view fs_source ) = 0;
[302]	195	virtual buffer create_buffer( buffer_type type, buffer_hint hint, size_t size, const void* source = nullptr ) = 0;
[406]	196	virtual texture create_texture( texture_type type, ivec2 size, image_format aformat, sampler asampler, const void* data = nullptr ) = 0;
[463]	197	virtual texture create_texture( texture_type type, ivec3 size, image_format aformat, sampler asampler, const void* data = nullptr ) = 0;
[491]	198	virtual texture create_texture( texture_type type, pixel_format format ) = 0;
	199
[331]	200	// TODO: remove?
[406]	201	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]	202
	203	virtual void create_buffer( buffer, size_t, const void* = nullptr ) = 0;
	204
	205
[399]	206	virtual image_data* create_image_data( string_view filename ) = 0; // temporary
[350]	207	virtual image_data* create_image_data( const uint8* data, uint32 size ) = 0; // temporary
[302]	208	virtual void release( texture ) = 0;
	209	virtual void release( buffer ) = 0;
[303]	210	virtual void release( program ) = 0;
	211	virtual const texture_info* get_texture_info( texture ) const = 0;
	212	virtual const buffer_info* get_buffer_info( buffer ) const = 0;
[438]	213	virtual string_view get_shader_header() const = 0;
[303]	214
[484]	215	virtual texture create_texture( const image_data* data, sampler asampler )
[292]	216	{
[406]	217	return create_texture( data->get_size(), data->get_format(), asampler, data->get_data() );
[292]	218	}
	219
[439]	220	int try_get_attribute_location( program p, const string_view& name ) const
[303]	221	{
	222	return get_attribute_location( p, name, false );
	223	}
[238]	224
[473]	225	int try_get_block_location( program p, const string_view& name ) const
	226	{
	227	return get_block_location( p, name, false );
	228	}
	229
[439]	230	virtual int get_attribute_location( program p, const string_view& name, bool fatal = true ) const = 0;
[473]	231	virtual int get_block_location( program p, const string_view& name, bool fatal = true ) const = 0;
[485]	232	virtual bool bind_block( program p, const string_view& name, uint32 index ) = 0;
[303]	233
	234	template < typename T >
[439]	235	void set_uniform_array( program p, const string_view& name, const T* value, uint32 count, bool fatal = true )
[303]	236	{
	237	uniform_base* base = get_uniform( p, name, fatal );
	238	if ( base != nullptr )
	239	{
	240	if ( base->type_check( type_to_enum<T>::type ) )
	241	{
	242	// TODO: nicer check
[406]	243	NV_ASSERT( static_cast<int>( count ) <= base->get_length(), "LENGTH CHECK FAIL" );
	244	static_cast< uniform<T>* >( base )->set_value( value, count );
[303]	245	}
	246	}
	247	}
	248
	249	template < typename T >
[439]	250	void set_opt_uniform_array( program p, const string_view& name, const T* value, uint32 count )
[303]	251	{
	252	set_uniform_array( p, name, value, count, false );
	253	}
	254
	255	template < typename T >
[439]	256	void set_opt_uniform_array( program p, const string_view& name, const array_view<T>& value )
[303]	257	{
[406]	258	set_uniform_array( p, name, value.data(), value.size(), false );
[303]	259	}
	260
	261
	262	template < typename T >
[439]	263	void set_uniform( program p, const string_view& name, const T& value, bool fatal = true )
[303]	264	{
	265	uniform_base* base = get_uniform( p, name, fatal );
	266	if ( base != nullptr )
	267	{
	268	if ( base->type_check( type_to_enum<T>::type ) )
	269	{
[406]	270	static_cast< uniform<T>* >( base )->set_value( value );
[303]	271	}
	272	}
	273	}
	274
	275	template < typename T >
[439]	276	void set_opt_uniform( program p, const string_view& name, const T& value )
[303]	277	{
	278	set_uniform( p, name, value, false );
	279	}
	280
[302]	281	virtual ~device()
	282	{
[303]	283	destroy_engine_uniforms();
[302]	284	}
[303]	285
	286	// This is done this way to avoid compilation unit creation
	287	static engine_uniform_factory_map& get_uniform_factory()
	288	{
	289	static engine_uniform_factory_map s_engine_uniform_factory_map;
	290	return s_engine_uniform_factory_map;
	291	}
	292
	293	// This is done this way to avoid compilation unit creation
	294	static engine_link_uniform_factory_map& get_link_uniform_factory()
	295	{
	296	static engine_link_uniform_factory_map s_engine_link_uniform_factory_map;
	297	return s_engine_link_uniform_factory_map;
	298	}
	299
	300	virtual void prepare_program( program p ) = 0;
	301
[302]	302	protected:
[439]	303	virtual uniform_base* get_uniform( program p, const string_view& name, bool fatal = true ) const = 0;
[303]	304
	305	void initialize_engine_uniforms()
	306	{
	307	engine_uniform_factory_map& factory_map = get_uniform_factory();
[486]	308	factory_map[ "nv_f_near"] = new engine_uniform_factory< engine_uniform_f_near >();
	309	factory_map[ "nv_f_far"] = new engine_uniform_factory< engine_uniform_f_far >();
[462]	310	factory_map[ "nv_m_view" ] = new engine_uniform_factory< engine_uniform_m_view >();
	311	factory_map[ "nv_m_view_inv" ] = new engine_uniform_factory< engine_uniform_m_view_inv >();
	312	factory_map[ "nv_m_model" ] = new engine_uniform_factory< engine_uniform_m_model >();
	313	factory_map[ "nv_m_model_inv" ] = new engine_uniform_factory< engine_uniform_m_model_inv >();
	314	factory_map[ "nv_m_modelview" ] = new engine_uniform_factory< engine_uniform_m_modelview >();
	315	factory_map[ "nv_m_modelview_inv" ] = new engine_uniform_factory< engine_uniform_m_modelview_inv >();
	316	factory_map[ "nv_m_projection" ] = new engine_uniform_factory< engine_uniform_m_projection >();
[472]	317	factory_map[ "nv_m_projection_inv"] = new engine_uniform_factory< engine_uniform_m_projection_inv >();
[462]	318	factory_map[ "nv_m_normal" ] = new engine_uniform_factory< engine_uniform_m_normal >();
	319	factory_map[ "nv_m_mvp" ] = new engine_uniform_factory< engine_uniform_m_mvp >();
[472]	320	factory_map[ "nv_m_mvp_inv"] = new engine_uniform_factory< engine_uniform_m_mvp_inv >();
[303]	321	factory_map[ "nv_v_camera_position" ] = new engine_uniform_factory< engine_uniform_v_camera_position >();
	322	factory_map[ "nv_v_camera_direction" ] = new engine_uniform_factory< engine_uniform_v_camera_direction >();
[342]	323	factory_map[ "nv_v_viewport" ] = new engine_uniform_factory< engine_uniform_v_viewport >();
	324	factory_map[ "nv_v_screen_size" ] = new engine_uniform_factory< engine_uniform_v_screen_size >();
[303]	325
	326	engine_link_uniform_factory_map& factory_link_map = get_link_uniform_factory();
[491]	327	factory_link_map[ "nv_texture_0" ] = new engine_link_uniform_int<0>();
	328	factory_link_map[ "nv_texture_1" ] = new engine_link_uniform_int<1>();
	329	factory_link_map[ "nv_texture_2" ] = new engine_link_uniform_int<2>();
	330	factory_link_map[ "nv_texture_3" ] = new engine_link_uniform_int<3>();
	331	factory_link_map[ "nv_texture_4" ] = new engine_link_uniform_int<4>();
	332	factory_link_map[ "nv_texture_5" ] = new engine_link_uniform_int<5>();
	333	factory_link_map[ "nv_texture_6" ] = new engine_link_uniform_int<6>();
	334	factory_link_map[ "nv_texture_7" ] = new engine_link_uniform_int<7>();
	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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