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source: trunk/nv/interface/device.hh @ 508

Last change on this file since 508 was 508, checked in by epyon, 9 years ago
nv::engine upgrades default_resource_manager implementation
File size: 11.7 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	{
[508]	65	TEXTURE_0 = 0, TEX_DIFFUSE = 0,
	66	TEXTURE_1 = 1, TEX_NORMAL = 1,
	67	TEXTURE_2 = 2, TEX_METALLIC = 2,
	68	TEXTURE_3 = 3, TEX_ROUGHNESS = 3,
	69	TEXTURE_4 = 4, TEX_EMISSIVE = 4,
	70	TEXTURE_5 = 5, TEX_DEPTH = 5,
	71	TEXTURE_6 = 6, TEX_OCCLUSION = 6,
	72	TEXTURE_7 = 7, TEX_FINAL = 7,
	73	TEXTURE_8 = 8, TEX_CUSTOM_0 = 8,
	74	TEXTURE_9 = 9, TEX_CUSTOM_1 = 9,
	75	TEXTURE_10 = 10, TEX_CUSTOM_2 = 10,
	76	TEXTURE_11 = 11, TEX_CUSTOM_3 = 11,
	77	TEXTURE_12 = 12, TEX_CUSTOM_4 = 12,
	78	TEXTURE_13 = 13, TEX_CUSTOM_5 = 13,
	79	TEXTURE_14 = 14, TEX_CUSTOM_6 = 14,
	80	TEXTURE_15 = 15, TEX_CUSTOM_7 = 15,
[492]	81	MAX_TEXTURES = 16,
[303]	82	};
	83
	84
	85	struct attribute
	86	{
	87	int location;
	88	datatype type;
	89	int length;
	90	};
	91
[439]	92	typedef hash_store< shash64, attribute > attribute_map;
[303]	93
[302]	94	struct texture_tag {};
	95	struct buffer_tag {};
[506]	96	struct shader_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;
[506]	101	typedef handle< uint32, 16, 16, shader_tag > shader;
[303]	102	typedef handle< uint32, 16, 16, program_tag > program;
[302]	103
[473]	104	NV_RTTI_DECLARE_NAME( buffer, "buffer" )
	105	NV_RTTI_DECLARE_NAME( texture, "texture" )
[506]	106	NV_RTTI_DECLARE_NAME( shader, "shader" )
[473]	107	NV_RTTI_DECLARE_NAME( program, "program" )
	108
[301]	109	struct sampler
	110	{
	111	enum filter
	112	{
	113	LINEAR,
	114	NEAREST,
	115	NEAREST_MIPMAP_NEAREST,
	116	LINEAR_MIPMAP_NEAREST,
	117	NEAREST_MIPMAP_LINEAR,
	118	LINEAR_MIPMAP_LINEAR
	119	};
	120	enum wrap
	121	{
	122	CLAMP_TO_EDGE,
	123	CLAMP_TO_BORDER,
	124	MIRRORED_REPEAT,
	125	REPEAT
	126	};
	127
	128	filter filter_min;
	129	filter filter_max;
	130	wrap wrap_s;
	131	wrap wrap_t;
	132
	133	sampler() : filter_min( LINEAR ), filter_max( LINEAR ), wrap_s( REPEAT ), wrap_t( REPEAT ) {}
	134	sampler( filter min, filter max, wrap s, wrap t )
	135	: filter_min( min ), filter_max( max ), wrap_s( s ), wrap_t( t ) {}
	136	sampler( filter f, wrap w )
	137	: filter_min( f ), filter_max( f ), wrap_s( w ), wrap_t( w ) {}
	138
	139	};
	140
[410]	141	enum buffer_hint
	142	{
	143	STATIC_DRAW,
	144	STREAM_DRAW,
	145	DYNAMIC_DRAW
	146	};
	147
[412]	148	enum buffer_type
	149	{
	150	VERTEX_BUFFER,
	151	INDEX_BUFFER,
[473]	152	UNIFORM_BUFFER,
[491]	153	TEXTURE_BUFFER,
[412]	154	};
	155
[499]	156	enum buffer_access
	157	{
	158	WRITE_UNSYNCHRONIZED,
	159	};
	160
[302]	161	struct buffer_info
	162	{
	163	buffer_type type;
	164	buffer_hint hint;
	165	size_t size;
	166	};
	167
	168
[301]	169	struct texture_info
	170	{
[331]	171	texture_type type;
[463]	172	ivec3 size;
[301]	173	image_format format;
[323]	174	sampler tsampler;
[301]	175	};
	176
[302]	177	struct vertex_buffer_attribute
	178	{
	179	buffer vbuffer;
	180	datatype dtype;
	181	size_t components;
	182	size_t offset;
	183	size_t stride;
	184	slot location;
	185	bool owner;
	186	};
[301]	187
[506]	188	struct shader_info
	189	{
	190	shader_type type;
	191	};
	192
[303]	193	struct program_info
	194	{
[392]	195	attribute_map* m_attribute_map;
	196	uniform_map* m_uniform_map;
	197	engine_uniform_list* m_engine_uniforms;
[303]	198	};
	199
[32]	200	class device
	201	{
[302]	202	friend class context;
[32]	203	public:
[303]	204	device()
	205	{
	206	initialize_engine_uniforms();
	207	}
[501]	208	protected:
[506]	209	virtual shader create_shader( shader_type type, string_view sh_source ) = 0;
	210	// virtual program create_program( string_view vs_source, string_view fs_source ) = 0;
	211	virtual program create_program( shader vs, shader fs ) = 0;
[501]	212	virtual buffer create_buffer( buffer_type type, buffer_hint hint ) = 0;
[491]	213	virtual texture create_texture( texture_type type, pixel_format format ) = 0;
	214
[331]	215	// TODO: remove?
[501]	216	// 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]	217	virtual void attach( program p, shader s ) = 0;
	218	virtual void detach( program p, shader s ) = 0;
[491]	219
[501]	220	virtual void release( texture ) = 0;
	221	virtual void release( buffer ) = 0;
	222	virtual void release( program ) = 0;
[506]	223	virtual void release( shader ) = 0;
[501]	224	public:
[491]	225
	226
[399]	227	virtual image_data* create_image_data( string_view filename ) = 0; // temporary
[350]	228	virtual image_data* create_image_data( const uint8* data, uint32 size ) = 0; // temporary
[303]	229	virtual const texture_info* get_texture_info( texture ) const = 0;
	230	virtual const buffer_info* get_buffer_info( buffer ) const = 0;
[438]	231	virtual string_view get_shader_header() const = 0;
[303]	232
[501]	233	virtual int get_attribute_location( program p, const string_view& name, bool fatal = true ) const = 0;
	234	virtual int get_block_location( program p, const string_view& name, bool fatal = true ) const = 0;
	235	virtual bool bind_block( program p, const string_view& name, uint32 index ) = 0;
[292]	236
[501]	237	virtual ~device()
[303]	238	{
[501]	239	destroy_engine_uniforms();
[303]	240	}
[238]	241
[303]	242	template < typename T >
[492]	243	bool set_uniform_array( program p, const string_view& name, const T* value, uint32 count, bool fatal = true )
[303]	244	{
	245	uniform_base* base = get_uniform( p, name, fatal );
	246	if ( base != nullptr )
	247	{
	248	if ( base->type_check( type_to_enum<T>::type ) )
	249	{
	250	// TODO: nicer check
[406]	251	NV_ASSERT( static_cast<int>( count ) <= base->get_length(), "LENGTH CHECK FAIL" );
[501]	252	static_cast<uniform<T>*>( base )->set_value( value, count );
[492]	253	return true;
[303]	254	}
	255	}
[492]	256	return false;
[303]	257	}
	258
	259	template < typename T >
[492]	260	bool set_opt_uniform_array( program p, const string_view& name, const T* value, uint32 count )
[303]	261	{
[492]	262	return set_uniform_array( p, name, value, count, false );
[303]	263	}
	264
	265	template < typename T >
[492]	266	bool set_opt_uniform_array( program p, const string_view& name, const array_view<T>& value )
[303]	267	{
[492]	268	return set_uniform_array( p, name, value.data(), value.size(), false );
[303]	269	}
	270
	271
	272	template < typename T >
[492]	273	bool set_uniform( program p, const string_view& name, const T& value, bool fatal = true )
[303]	274	{
	275	uniform_base* base = get_uniform( p, name, fatal );
	276	if ( base != nullptr )
	277	{
	278	if ( base->type_check( type_to_enum<T>::type ) )
	279	{
[501]	280	static_cast<uniform<T>*>( base )->set_value( value );
[492]	281	return true;
[303]	282	}
	283	}
[492]	284	return false;
[303]	285	}
	286
	287	template < typename T >
[492]	288	bool set_opt_uniform( program p, const string_view& name, const T& value )
[303]	289	{
[492]	290	return set_uniform( p, name, value, false );
[303]	291	}
	292
	293	// This is done this way to avoid compilation unit creation
	294	static engine_uniform_factory_map& get_uniform_factory()
	295	{
	296	static engine_uniform_factory_map s_engine_uniform_factory_map;
	297	return s_engine_uniform_factory_map;
	298	}
	299
	300	// This is done this way to avoid compilation unit creation
	301	static engine_link_uniform_factory_map& get_link_uniform_factory()
	302	{
	303	static engine_link_uniform_factory_map s_engine_link_uniform_factory_map;
	304	return s_engine_link_uniform_factory_map;
	305	}
	306
	307	virtual void prepare_program( program p ) = 0;
	308
[302]	309	protected:
[501]	310
[439]	311	virtual uniform_base* get_uniform( program p, const string_view& name, bool fatal = true ) const = 0;
[303]	312
	313	void initialize_engine_uniforms()
	314	{
	315	engine_uniform_factory_map& factory_map = get_uniform_factory();
[486]	316	factory_map[ "nv_f_near"] = new engine_uniform_factory< engine_uniform_f_near >();
	317	factory_map[ "nv_f_far"] = new engine_uniform_factory< engine_uniform_f_far >();
[462]	318	factory_map[ "nv_m_view" ] = new engine_uniform_factory< engine_uniform_m_view >();
	319	factory_map[ "nv_m_view_inv" ] = new engine_uniform_factory< engine_uniform_m_view_inv >();
	320	factory_map[ "nv_m_model" ] = new engine_uniform_factory< engine_uniform_m_model >();
	321	factory_map[ "nv_m_model_inv" ] = new engine_uniform_factory< engine_uniform_m_model_inv >();
	322	factory_map[ "nv_m_modelview" ] = new engine_uniform_factory< engine_uniform_m_modelview >();
	323	factory_map[ "nv_m_modelview_inv" ] = new engine_uniform_factory< engine_uniform_m_modelview_inv >();
	324	factory_map[ "nv_m_projection" ] = new engine_uniform_factory< engine_uniform_m_projection >();
[472]	325	factory_map[ "nv_m_projection_inv"] = new engine_uniform_factory< engine_uniform_m_projection_inv >();
[501]	326	factory_map[ "nv_m_viewprojection" ] = new engine_uniform_factory< engine_uniform_m_viewprojection >();
	327	factory_map[ "nv_m_viewprojection_inv" ] = new engine_uniform_factory< engine_uniform_m_viewprojection_inv >();
[462]	328	factory_map[ "nv_m_normal" ] = new engine_uniform_factory< engine_uniform_m_normal >();
	329	factory_map[ "nv_m_mvp" ] = new engine_uniform_factory< engine_uniform_m_mvp >();
[472]	330	factory_map[ "nv_m_mvp_inv"] = new engine_uniform_factory< engine_uniform_m_mvp_inv >();
[303]	331	factory_map[ "nv_v_camera_position" ] = new engine_uniform_factory< engine_uniform_v_camera_position >();
	332	factory_map[ "nv_v_camera_direction" ] = new engine_uniform_factory< engine_uniform_v_camera_direction >();
[342]	333	factory_map[ "nv_v_viewport" ] = new engine_uniform_factory< engine_uniform_v_viewport >();
	334	factory_map[ "nv_v_screen_size" ] = new engine_uniform_factory< engine_uniform_v_screen_size >();
[303]	335
	336	engine_link_uniform_factory_map& factory_link_map = get_link_uniform_factory();
[491]	337	factory_link_map[ "nv_texture_0" ] = new engine_link_uniform_int<0>();
	338	factory_link_map[ "nv_texture_1" ] = new engine_link_uniform_int<1>();
	339	factory_link_map[ "nv_texture_2" ] = new engine_link_uniform_int<2>();
	340	factory_link_map[ "nv_texture_3" ] = new engine_link_uniform_int<3>();
	341	factory_link_map[ "nv_texture_4" ] = new engine_link_uniform_int<4>();
	342	factory_link_map[ "nv_texture_5" ] = new engine_link_uniform_int<5>();
	343	factory_link_map[ "nv_texture_6" ] = new engine_link_uniform_int<6>();
	344	factory_link_map[ "nv_texture_7" ] = new engine_link_uniform_int<7>();
[501]	345	factory_link_map[ "nv_texture_8" ] = new engine_link_uniform_int<8>();
	346	factory_link_map[ "nv_texture_9" ] = new engine_link_uniform_int<9>();
[491]	347	factory_link_map[ "nv_t_diffuse" ] = new engine_link_uniform_int<int( TEX_DIFFUSE )>();
	348	factory_link_map[ "nv_t_normal" ] = new engine_link_uniform_int<int( TEX_NORMAL )>();
	349	factory_link_map[ "nv_t_metallic" ] = new engine_link_uniform_int<int( TEX_METALLIC )>();
	350	factory_link_map[ "nv_t_roughness"] = new engine_link_uniform_int<int( TEX_ROUGHNESS )>();
	351	factory_link_map[ "nv_t_emissive" ] = new engine_link_uniform_int<int( TEX_EMISSIVE )>();
[508]	352	factory_link_map[ "nv_t_depth" ] = new engine_link_uniform_int<int( TEX_DEPTH )>();
	353	factory_link_map[ "nv_t_occlusion"] = new engine_link_uniform_int<int( TEX_OCCLUSION )>();
	354	factory_link_map[ "nv_t_final" ] = new engine_link_uniform_int<int( TEX_FINAL )>();
[303]	355	}
	356	void destroy_engine_uniforms()
	357	{
	358	for ( auto& i : get_uniform_factory() ) delete i.second;
	359	for ( auto& i : get_link_uniform_factory() ) delete i.second;
	360	get_uniform_factory().clear();
	361	get_link_uniform_factory().clear();
	362	}
	363
[32]	364	};
	365
	366	} // namespace nv
	367
	368
[395]	369	#endif // NV_INTERFACE_DEVICE_HH

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