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source: trunk/nv/interface/device.hh @ 506

Last change on this file since 506 was 506, checked in by epyon, 9 years ago
split shader objects from programs to allow separate compilation minor additions
File size: 11.5 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
[506]	28	enum shader_type
	29	{
	30	VERTEX_SHADER,
	31	FRAGMENT_SHADER
	32	};
	33
[331]	34	enum output_slot
	35	{
	36	OUTPUT_0 = 0,
	37	OUTPUT_1 = 1,
	38	OUTPUT_2 = 2,
	39	OUTPUT_3 = 3,
	40	OUTPUT_4 = 4,
	41	OUTPUT_5 = 5,
	42	OUTPUT_6 = 6,
	43	OUTPUT_7 = 7,
	44
	45	OUTPUT_NONE = 16,
	46	OUTPUT_FRONT = 17,
	47	OUTPUT_BACK = 18,
	48	};
	49
	50	enum texture_type
	51	{
	52	TEXTURE_1D,
	53	TEXTURE_2D,
	54	TEXTURE_RECT,
	55	TEXTURE_3D,
	56	TEXTURE_CUBE,
[463]	57	TEXTURE_1D_ARRAY,
	58	TEXTURE_2D_ARRAY,
[491]	59	TEXTURE_1D_BUFFER,
[492]	60	TEXTURE_2D_MULTISAMPLE,
[331]	61	};
	62
[303]	63	enum texture_slot
	64	{
[491]	65	TEX_DIFFUSE = 0,
	66	TEX_NORMAL = 1,
	67	TEX_METALLIC = 2,
	68	TEX_SPECULAR = 2, // obsolete
	69	TEX_ROUGHNESS = 3,
	70	TEX_GLOSS = 3, // obsolete
	71	TEX_EMISSIVE = 4,
	72	TEXTURE_0 = 0,
	73	TEXTURE_1 = 1,
	74	TEXTURE_2 = 2,
	75	TEXTURE_3 = 3,
	76	TEXTURE_4 = 4,
	77	TEXTURE_5 = 5,
	78	TEXTURE_6 = 6,
	79	TEXTURE_7 = 7,
	80	TEXTURE_8 = 8,
	81	TEXTURE_9 = 9,
	82	TEXTURE_10 = 10,
	83	TEXTURE_11 = 11,
	84	TEXTURE_12 = 12,
	85	TEXTURE_13 = 13,
	86	TEXTURE_14 = 14,
	87	TEXTURE_15 = 15,
[492]	88	MAX_TEXTURES = 16,
[303]	89	};
	90
	91
	92	struct attribute
	93	{
	94	int location;
	95	datatype type;
	96	int length;
	97	};
	98
[439]	99	typedef hash_store< shash64, attribute > attribute_map;
[303]	100
[302]	101	struct texture_tag {};
	102	struct buffer_tag {};
[506]	103	struct shader_tag {};
[303]	104	struct program_tag {};
[473]	105
[302]	106	typedef handle< uint32, 16, 16, buffer_tag > buffer;
	107	typedef handle< uint32, 16, 16, texture_tag > texture;
[506]	108	typedef handle< uint32, 16, 16, shader_tag > shader;
[303]	109	typedef handle< uint32, 16, 16, program_tag > program;
[302]	110
[473]	111	NV_RTTI_DECLARE_NAME( buffer, "buffer" )
	112	NV_RTTI_DECLARE_NAME( texture, "texture" )
[506]	113	NV_RTTI_DECLARE_NAME( shader, "shader" )
[473]	114	NV_RTTI_DECLARE_NAME( program, "program" )
	115
[301]	116	struct sampler
	117	{
	118	enum filter
	119	{
	120	LINEAR,
	121	NEAREST,
	122	NEAREST_MIPMAP_NEAREST,
	123	LINEAR_MIPMAP_NEAREST,
	124	NEAREST_MIPMAP_LINEAR,
	125	LINEAR_MIPMAP_LINEAR
	126	};
	127	enum wrap
	128	{
	129	CLAMP_TO_EDGE,
	130	CLAMP_TO_BORDER,
	131	MIRRORED_REPEAT,
	132	REPEAT
	133	};
	134
	135	filter filter_min;
	136	filter filter_max;
	137	wrap wrap_s;
	138	wrap wrap_t;
	139
	140	sampler() : filter_min( LINEAR ), filter_max( LINEAR ), wrap_s( REPEAT ), wrap_t( REPEAT ) {}
	141	sampler( filter min, filter max, wrap s, wrap t )
	142	: filter_min( min ), filter_max( max ), wrap_s( s ), wrap_t( t ) {}
	143	sampler( filter f, wrap w )
	144	: filter_min( f ), filter_max( f ), wrap_s( w ), wrap_t( w ) {}
	145
	146	};
	147
[410]	148	enum buffer_hint
	149	{
	150	STATIC_DRAW,
	151	STREAM_DRAW,
	152	DYNAMIC_DRAW
	153	};
	154
[412]	155	enum buffer_type
	156	{
	157	VERTEX_BUFFER,
	158	INDEX_BUFFER,
[473]	159	UNIFORM_BUFFER,
[491]	160	TEXTURE_BUFFER,
[412]	161	};
	162
[499]	163	enum buffer_access
	164	{
	165	WRITE_UNSYNCHRONIZED,
	166	};
	167
[302]	168	struct buffer_info
	169	{
	170	buffer_type type;
	171	buffer_hint hint;
	172	size_t size;
	173	};
	174
	175
[301]	176	struct texture_info
	177	{
[331]	178	texture_type type;
[463]	179	ivec3 size;
[301]	180	image_format format;
[323]	181	sampler tsampler;
[301]	182	};
	183
[302]	184	struct vertex_buffer_attribute
	185	{
	186	buffer vbuffer;
	187	datatype dtype;
	188	size_t components;
	189	size_t offset;
	190	size_t stride;
	191	slot location;
	192	bool owner;
	193	};
[301]	194
[506]	195	struct shader_info
	196	{
	197	shader_type type;
	198	};
	199
[303]	200	struct program_info
	201	{
[392]	202	attribute_map* m_attribute_map;
	203	uniform_map* m_uniform_map;
	204	engine_uniform_list* m_engine_uniforms;
[303]	205	};
	206
[32]	207	class device
	208	{
[302]	209	friend class context;
[32]	210	public:
[303]	211	device()
	212	{
	213	initialize_engine_uniforms();
	214	}
[501]	215	protected:
[506]	216	virtual shader create_shader( shader_type type, string_view sh_source ) = 0;
	217	// virtual program create_program( string_view vs_source, string_view fs_source ) = 0;
	218	virtual program create_program( shader vs, shader fs ) = 0;
[501]	219	virtual buffer create_buffer( buffer_type type, buffer_hint hint ) = 0;
[491]	220	virtual texture create_texture( texture_type type, pixel_format format ) = 0;
	221
[331]	222	// TODO: remove?
[501]	223	// virtual texture create_texture( ivec2 size, image_format aformat, sampler asampler, const void* data = nullptr ) { return create_texture( TEXTURE_2D, size, aformat, asampler, data ); }
[506]	224	virtual void attach( program p, shader s ) = 0;
	225	virtual void detach( program p, shader s ) = 0;
[491]	226
[501]	227	virtual void release( texture ) = 0;
	228	virtual void release( buffer ) = 0;
	229	virtual void release( program ) = 0;
[506]	230	virtual void release( shader ) = 0;
[501]	231	public:
[491]	232
	233
[399]	234	virtual image_data* create_image_data( string_view filename ) = 0; // temporary
[350]	235	virtual image_data* create_image_data( const uint8* data, uint32 size ) = 0; // temporary
[303]	236	virtual const texture_info* get_texture_info( texture ) const = 0;
	237	virtual const buffer_info* get_buffer_info( buffer ) const = 0;
[438]	238	virtual string_view get_shader_header() const = 0;
[303]	239
[501]	240	virtual int get_attribute_location( program p, const string_view& name, bool fatal = true ) const = 0;
	241	virtual int get_block_location( program p, const string_view& name, bool fatal = true ) const = 0;
	242	virtual bool bind_block( program p, const string_view& name, uint32 index ) = 0;
[292]	243
[501]	244	virtual ~device()
[303]	245	{
[501]	246	destroy_engine_uniforms();
[303]	247	}
[238]	248
[303]	249	template < typename T >
[492]	250	bool set_uniform_array( program p, const string_view& name, const T* value, uint32 count, bool fatal = true )
[303]	251	{
	252	uniform_base* base = get_uniform( p, name, fatal );
	253	if ( base != nullptr )
	254	{
	255	if ( base->type_check( type_to_enum<T>::type ) )
	256	{
	257	// TODO: nicer check
[406]	258	NV_ASSERT( static_cast<int>( count ) <= base->get_length(), "LENGTH CHECK FAIL" );
[501]	259	static_cast<uniform<T>*>( base )->set_value( value, count );
[492]	260	return true;
[303]	261	}
	262	}
[492]	263	return false;
[303]	264	}
	265
	266	template < typename T >
[492]	267	bool set_opt_uniform_array( program p, const string_view& name, const T* value, uint32 count )
[303]	268	{
[492]	269	return set_uniform_array( p, name, value, count, false );
[303]	270	}
	271
	272	template < typename T >
[492]	273	bool set_opt_uniform_array( program p, const string_view& name, const array_view<T>& value )
[303]	274	{
[492]	275	return set_uniform_array( p, name, value.data(), value.size(), false );
[303]	276	}
	277
	278
	279	template < typename T >
[492]	280	bool set_uniform( program p, const string_view& name, const T& value, bool fatal = true )
[303]	281	{
	282	uniform_base* base = get_uniform( p, name, fatal );
	283	if ( base != nullptr )
	284	{
	285	if ( base->type_check( type_to_enum<T>::type ) )
	286	{
[501]	287	static_cast<uniform<T>*>( base )->set_value( value );
[492]	288	return true;
[303]	289	}
	290	}
[492]	291	return false;
[303]	292	}
	293
	294	template < typename T >
[492]	295	bool set_opt_uniform( program p, const string_view& name, const T& value )
[303]	296	{
[492]	297	return set_uniform( p, name, value, false );
[303]	298	}
	299
	300	// This is done this way to avoid compilation unit creation
	301	static engine_uniform_factory_map& get_uniform_factory()
	302	{
	303	static engine_uniform_factory_map s_engine_uniform_factory_map;
	304	return s_engine_uniform_factory_map;
	305	}
	306
	307	// This is done this way to avoid compilation unit creation
	308	static engine_link_uniform_factory_map& get_link_uniform_factory()
	309	{
	310	static engine_link_uniform_factory_map s_engine_link_uniform_factory_map;
	311	return s_engine_link_uniform_factory_map;
	312	}
	313
	314	virtual void prepare_program( program p ) = 0;
	315
[302]	316	protected:
[501]	317
[439]	318	virtual uniform_base* get_uniform( program p, const string_view& name, bool fatal = true ) const = 0;
[303]	319
	320	void initialize_engine_uniforms()
	321	{
	322	engine_uniform_factory_map& factory_map = get_uniform_factory();
[486]	323	factory_map[ "nv_f_near"] = new engine_uniform_factory< engine_uniform_f_near >();
	324	factory_map[ "nv_f_far"] = new engine_uniform_factory< engine_uniform_f_far >();
[462]	325	factory_map[ "nv_m_view" ] = new engine_uniform_factory< engine_uniform_m_view >();
	326	factory_map[ "nv_m_view_inv" ] = new engine_uniform_factory< engine_uniform_m_view_inv >();
	327	factory_map[ "nv_m_model" ] = new engine_uniform_factory< engine_uniform_m_model >();
	328	factory_map[ "nv_m_model_inv" ] = new engine_uniform_factory< engine_uniform_m_model_inv >();
	329	factory_map[ "nv_m_modelview" ] = new engine_uniform_factory< engine_uniform_m_modelview >();
	330	factory_map[ "nv_m_modelview_inv" ] = new engine_uniform_factory< engine_uniform_m_modelview_inv >();
	331	factory_map[ "nv_m_projection" ] = new engine_uniform_factory< engine_uniform_m_projection >();
[472]	332	factory_map[ "nv_m_projection_inv"] = new engine_uniform_factory< engine_uniform_m_projection_inv >();
[501]	333	factory_map[ "nv_m_viewprojection" ] = new engine_uniform_factory< engine_uniform_m_viewprojection >();
	334	factory_map[ "nv_m_viewprojection_inv" ] = new engine_uniform_factory< engine_uniform_m_viewprojection_inv >();
[462]	335	factory_map[ "nv_m_normal" ] = new engine_uniform_factory< engine_uniform_m_normal >();
	336	factory_map[ "nv_m_mvp" ] = new engine_uniform_factory< engine_uniform_m_mvp >();
[472]	337	factory_map[ "nv_m_mvp_inv"] = new engine_uniform_factory< engine_uniform_m_mvp_inv >();
[303]	338	factory_map[ "nv_v_camera_position" ] = new engine_uniform_factory< engine_uniform_v_camera_position >();
	339	factory_map[ "nv_v_camera_direction" ] = new engine_uniform_factory< engine_uniform_v_camera_direction >();
[342]	340	factory_map[ "nv_v_viewport" ] = new engine_uniform_factory< engine_uniform_v_viewport >();
	341	factory_map[ "nv_v_screen_size" ] = new engine_uniform_factory< engine_uniform_v_screen_size >();
[303]	342
	343	engine_link_uniform_factory_map& factory_link_map = get_link_uniform_factory();
[491]	344	factory_link_map[ "nv_texture_0" ] = new engine_link_uniform_int<0>();
	345	factory_link_map[ "nv_texture_1" ] = new engine_link_uniform_int<1>();
	346	factory_link_map[ "nv_texture_2" ] = new engine_link_uniform_int<2>();
	347	factory_link_map[ "nv_texture_3" ] = new engine_link_uniform_int<3>();
	348	factory_link_map[ "nv_texture_4" ] = new engine_link_uniform_int<4>();
	349	factory_link_map[ "nv_texture_5" ] = new engine_link_uniform_int<5>();
	350	factory_link_map[ "nv_texture_6" ] = new engine_link_uniform_int<6>();
	351	factory_link_map[ "nv_texture_7" ] = new engine_link_uniform_int<7>();
[501]	352	factory_link_map[ "nv_texture_8" ] = new engine_link_uniform_int<8>();
	353	factory_link_map[ "nv_texture_9" ] = new engine_link_uniform_int<9>();
[491]	354	factory_link_map[ "nv_t_diffuse" ] = new engine_link_uniform_int<int( TEX_DIFFUSE )>();
	355	factory_link_map[ "nv_t_normal" ] = new engine_link_uniform_int<int( TEX_NORMAL )>();
	356	factory_link_map[ "nv_t_metallic" ] = new engine_link_uniform_int<int( TEX_METALLIC )>();
	357	factory_link_map[ "nv_t_specular" ] = new engine_link_uniform_int<int( TEX_METALLIC )>();
	358	factory_link_map[ "nv_t_roughness"] = new engine_link_uniform_int<int( TEX_ROUGHNESS )>();
	359	factory_link_map[ "nv_t_gloss" ] = new engine_link_uniform_int<int( TEX_ROUGHNESS )>();
	360	factory_link_map[ "nv_t_emissive" ] = new engine_link_uniform_int<int( TEX_EMISSIVE )>();
[303]	361	}
	362	void destroy_engine_uniforms()
	363	{
	364	for ( auto& i : get_uniform_factory() ) delete i.second;
	365	for ( auto& i : get_link_uniform_factory() ) delete i.second;
	366	get_uniform_factory().clear();
	367	get_link_uniform_factory().clear();
	368	}
	369
[32]	370	};
	371
	372	} // namespace nv
	373
	374
[395]	375	#endif // NV_INTERFACE_DEVICE_HH

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