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source: trunk/nv/interface/device.hh @ 473

Last change on this file since 473 was 473, checked in by epyon, 10 years ago
rtti updates device/context initial uniform buffer support fixes
File size: 10.1 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,
[331]	53	};
	54
[303]	55	enum texture_slot
	56	{
	57	TEX_DIFFUSE = 0,
	58	TEX_SPECULAR = 1,
	59	TEX_NORMAL = 2,
[461]	60	TEX_GLOSS = 3,
[303]	61	TEXTURE_0 = 0,
	62	TEXTURE_1 = 1,
	63	TEXTURE_2 = 2,
	64	TEXTURE_3 = 3,
	65	TEXTURE_4 = 4,
	66	TEXTURE_5 = 5,
	67	TEXTURE_6 = 6,
	68	TEXTURE_7 = 7,
	69	};
	70
	71
	72	struct attribute
	73	{
	74	int location;
	75	datatype type;
	76	int length;
	77	};
	78
[439]	79	typedef hash_store< shash64, attribute > attribute_map;
[303]	80
[302]	81	struct texture_tag {};
	82	struct buffer_tag {};
[303]	83	struct program_tag {};
[473]	84
[302]	85	typedef handle< uint32, 16, 16, buffer_tag > buffer;
	86	typedef handle< uint32, 16, 16, texture_tag > texture;
[303]	87	typedef handle< uint32, 16, 16, program_tag > program;
[302]	88
[473]	89	NV_RTTI_DECLARE_NAME( buffer, "buffer" )
	90	NV_RTTI_DECLARE_NAME( texture, "texture" )
	91	NV_RTTI_DECLARE_NAME( program, "program" )
	92
[301]	93	struct sampler
	94	{
	95	enum filter
	96	{
	97	LINEAR,
	98	NEAREST,
	99	NEAREST_MIPMAP_NEAREST,
	100	LINEAR_MIPMAP_NEAREST,
	101	NEAREST_MIPMAP_LINEAR,
	102	LINEAR_MIPMAP_LINEAR
	103	};
	104	enum wrap
	105	{
	106	CLAMP_TO_EDGE,
	107	CLAMP_TO_BORDER,
	108	MIRRORED_REPEAT,
	109	REPEAT
	110	};
	111
	112	filter filter_min;
	113	filter filter_max;
	114	wrap wrap_s;
	115	wrap wrap_t;
	116
	117	sampler() : filter_min( LINEAR ), filter_max( LINEAR ), wrap_s( REPEAT ), wrap_t( REPEAT ) {}
	118	sampler( filter min, filter max, wrap s, wrap t )
	119	: filter_min( min ), filter_max( max ), wrap_s( s ), wrap_t( t ) {}
	120	sampler( filter f, wrap w )
	121	: filter_min( f ), filter_max( f ), wrap_s( w ), wrap_t( w ) {}
	122
	123	};
	124
[410]	125	enum buffer_hint
	126	{
	127	STATIC_DRAW,
	128	STREAM_DRAW,
	129	DYNAMIC_DRAW
	130	};
	131
[412]	132	enum buffer_type
	133	{
	134	VERTEX_BUFFER,
	135	INDEX_BUFFER,
[473]	136	UNIFORM_BUFFER,
[412]	137	};
	138
[302]	139	struct buffer_info
	140	{
	141	buffer_type type;
	142	buffer_hint hint;
	143	size_t size;
	144	};
	145
	146
[301]	147	struct texture_info
	148	{
[331]	149	texture_type type;
[463]	150	ivec3 size;
[301]	151	image_format format;
[323]	152	sampler tsampler;
[301]	153	};
	154
[302]	155	struct vertex_buffer_attribute
	156	{
	157	buffer vbuffer;
	158	datatype dtype;
	159	size_t components;
	160	size_t offset;
	161	size_t stride;
	162	slot location;
	163	bool owner;
	164	};
[301]	165
[303]	166	struct program_info
	167	{
[392]	168	attribute_map* m_attribute_map;
	169	uniform_map* m_uniform_map;
	170	engine_uniform_list* m_engine_uniforms;
[303]	171	};
	172
[32]	173	class device
	174	{
[302]	175	friend class context;
[32]	176	public:
[303]	177	device()
	178	{
	179	initialize_engine_uniforms();
	180	}
[399]	181	virtual program create_program( string_view vs_source, string_view fs_source ) = 0;
[302]	182	virtual buffer create_buffer( buffer_type type, buffer_hint hint, size_t size, const void* source = nullptr ) = 0;
[406]	183	virtual texture create_texture( texture_type type, ivec2 size, image_format aformat, sampler asampler, const void* data = nullptr ) = 0;
[463]	184	virtual texture create_texture( texture_type type, ivec3 size, image_format aformat, sampler asampler, const void* data = nullptr ) = 0;
[331]	185	// TODO: remove?
[406]	186	virtual texture create_texture( ivec2 size, image_format aformat, sampler asampler, const void* data = nullptr ) { return create_texture( TEXTURE_2D, size, aformat, asampler, data ); }
[399]	187	virtual image_data* create_image_data( string_view filename ) = 0; // temporary
[350]	188	virtual image_data* create_image_data( const uint8* data, uint32 size ) = 0; // temporary
[302]	189	virtual void release( texture ) = 0;
	190	virtual void release( buffer ) = 0;
[303]	191	virtual void release( program ) = 0;
	192	virtual const texture_info* get_texture_info( texture ) const = 0;
	193	virtual const buffer_info* get_buffer_info( buffer ) const = 0;
[438]	194	virtual string_view get_shader_header() const = 0;
[303]	195
[301]	196	virtual texture create_texture( image_data* data, sampler asampler )
[292]	197	{
[406]	198	return create_texture( data->get_size(), data->get_format(), asampler, data->get_data() );
[292]	199	}
	200
[439]	201	int try_get_attribute_location( program p, const string_view& name ) const
[303]	202	{
	203	return get_attribute_location( p, name, false );
	204	}
[238]	205
[473]	206	int try_get_block_location( program p, const string_view& name ) const
	207	{
	208	return get_block_location( p, name, false );
	209	}
	210
[439]	211	virtual int get_attribute_location( program p, const string_view& name, bool fatal = true ) const = 0;
[473]	212	virtual int get_block_location( program p, const string_view& name, bool fatal = true ) const = 0;
[303]	213
[473]	214
[303]	215	template < typename T >
[439]	216	void set_uniform_array( program p, const string_view& name, const T* value, uint32 count, bool fatal = true )
[303]	217	{
	218	uniform_base* base = get_uniform( p, name, fatal );
	219	if ( base != nullptr )
	220	{
	221	if ( base->type_check( type_to_enum<T>::type ) )
	222	{
	223	// TODO: nicer check
[406]	224	NV_ASSERT( static_cast<int>( count ) <= base->get_length(), "LENGTH CHECK FAIL" );
	225	static_cast< uniform<T>* >( base )->set_value( value, count );
[303]	226	}
	227	}
	228	}
	229
	230	template < typename T >
[439]	231	void set_opt_uniform_array( program p, const string_view& name, const T* value, uint32 count )
[303]	232	{
	233	set_uniform_array( p, name, value, count, false );
	234	}
	235
	236	template < typename T >
[439]	237	void set_opt_uniform_array( program p, const string_view& name, const array_view<T>& value )
[303]	238	{
[406]	239	set_uniform_array( p, name, value.data(), value.size(), false );
[303]	240	}
	241
	242
	243	template < typename T >
[439]	244	void set_uniform( program p, const string_view& name, const T& value, bool fatal = true )
[303]	245	{
	246	uniform_base* base = get_uniform( p, name, fatal );
	247	if ( base != nullptr )
	248	{
	249	if ( base->type_check( type_to_enum<T>::type ) )
	250	{
[406]	251	static_cast< uniform<T>* >( base )->set_value( value );
[303]	252	}
	253	}
	254	}
	255
	256	template < typename T >
[439]	257	void set_opt_uniform( program p, const string_view& name, const T& value )
[303]	258	{
	259	set_uniform( p, name, value, false );
	260	}
	261
[302]	262	virtual ~device()
	263	{
[303]	264	destroy_engine_uniforms();
[302]	265	}
[303]	266
	267	// This is done this way to avoid compilation unit creation
	268	static engine_uniform_factory_map& get_uniform_factory()
	269	{
	270	static engine_uniform_factory_map s_engine_uniform_factory_map;
	271	return s_engine_uniform_factory_map;
	272	}
	273
	274	// This is done this way to avoid compilation unit creation
	275	static engine_link_uniform_factory_map& get_link_uniform_factory()
	276	{
	277	static engine_link_uniform_factory_map s_engine_link_uniform_factory_map;
	278	return s_engine_link_uniform_factory_map;
	279	}
	280
	281	virtual void prepare_program( program p ) = 0;
	282
[302]	283	protected:
[439]	284	virtual uniform_base* get_uniform( program p, const string_view& name, bool fatal = true ) const = 0;
[303]	285
	286	void initialize_engine_uniforms()
	287	{
	288	engine_uniform_factory_map& factory_map = get_uniform_factory();
[462]	289	factory_map[ "nv_m_view" ] = new engine_uniform_factory< engine_uniform_m_view >();
	290	factory_map[ "nv_m_view_inv" ] = new engine_uniform_factory< engine_uniform_m_view_inv >();
	291	factory_map[ "nv_m_model" ] = new engine_uniform_factory< engine_uniform_m_model >();
	292	factory_map[ "nv_m_model_inv" ] = new engine_uniform_factory< engine_uniform_m_model_inv >();
	293	factory_map[ "nv_m_modelview" ] = new engine_uniform_factory< engine_uniform_m_modelview >();
	294	factory_map[ "nv_m_modelview_inv" ] = new engine_uniform_factory< engine_uniform_m_modelview_inv >();
	295	factory_map[ "nv_m_projection" ] = new engine_uniform_factory< engine_uniform_m_projection >();
[472]	296	factory_map[ "nv_m_projection_inv"] = new engine_uniform_factory< engine_uniform_m_projection_inv >();
[462]	297	factory_map[ "nv_m_normal" ] = new engine_uniform_factory< engine_uniform_m_normal >();
	298	factory_map[ "nv_m_mvp" ] = new engine_uniform_factory< engine_uniform_m_mvp >();
[472]	299	factory_map[ "nv_m_mvp_inv"] = new engine_uniform_factory< engine_uniform_m_mvp_inv >();
[303]	300	factory_map[ "nv_v_camera_position" ] = new engine_uniform_factory< engine_uniform_v_camera_position >();
	301	factory_map[ "nv_v_camera_direction" ] = new engine_uniform_factory< engine_uniform_v_camera_direction >();
[342]	302	factory_map[ "nv_v_viewport" ] = new engine_uniform_factory< engine_uniform_v_viewport >();
	303	factory_map[ "nv_v_screen_size" ] = new engine_uniform_factory< engine_uniform_v_screen_size >();
[303]	304
	305	engine_link_uniform_factory_map& factory_link_map = get_link_uniform_factory();
	306	factory_link_map[ "nv_texture_0" ] = new engine_link_uniform_int<0>();
	307	factory_link_map[ "nv_texture_1" ] = new engine_link_uniform_int<1>();
	308	factory_link_map[ "nv_texture_2" ] = new engine_link_uniform_int<2>();
	309	factory_link_map[ "nv_texture_3" ] = new engine_link_uniform_int<3>();
	310	factory_link_map[ "nv_texture_4" ] = new engine_link_uniform_int<4>();
	311	factory_link_map[ "nv_texture_5" ] = new engine_link_uniform_int<5>();
	312	factory_link_map[ "nv_texture_6" ] = new engine_link_uniform_int<6>();
	313	factory_link_map[ "nv_texture_7" ] = new engine_link_uniform_int<7>();
	314	factory_link_map[ "nv_t_diffuse" ] = new engine_link_uniform_int<0>();
	315	factory_link_map[ "nv_t_specular"] = new engine_link_uniform_int<1>();
	316	factory_link_map[ "nv_t_normal" ] = new engine_link_uniform_int<2>();
[461]	317	factory_link_map[ "nv_t_gloss" ] = new engine_link_uniform_int<3>();
[303]	318	}
	319	void destroy_engine_uniforms()
	320	{
	321	for ( auto& i : get_uniform_factory() ) delete i.second;
	322	for ( auto& i : get_link_uniform_factory() ) delete i.second;
	323	get_uniform_factory().clear();
	324	get_link_uniform_factory().clear();
	325	}
	326
[32]	327	};
	328
	329	} // namespace nv
	330
	331
[395]	332	#endif // NV_INTERFACE_DEVICE_HH

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