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source: trunk/nv/interface/device.hh @ 472

Last change on this file since 472 was 472, checked in by epyon, 10 years ago
additional uniforms R16F and R32F format support error fixes (clang)
File size: 9.7 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
[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 {};
[302]	84	typedef handle< uint32, 16, 16, buffer_tag > buffer;
	85	typedef handle< uint32, 16, 16, texture_tag > texture;
[303]	86	typedef handle< uint32, 16, 16, program_tag > program;
[302]	87
[301]	88	struct sampler
	89	{
	90	enum filter
	91	{
	92	LINEAR,
	93	NEAREST,
	94	NEAREST_MIPMAP_NEAREST,
	95	LINEAR_MIPMAP_NEAREST,
	96	NEAREST_MIPMAP_LINEAR,
	97	LINEAR_MIPMAP_LINEAR
	98	};
	99	enum wrap
	100	{
	101	CLAMP_TO_EDGE,
	102	CLAMP_TO_BORDER,
	103	MIRRORED_REPEAT,
	104	REPEAT
	105	};
	106
	107	filter filter_min;
	108	filter filter_max;
	109	wrap wrap_s;
	110	wrap wrap_t;
	111
	112	sampler() : filter_min( LINEAR ), filter_max( LINEAR ), wrap_s( REPEAT ), wrap_t( REPEAT ) {}
	113	sampler( filter min, filter max, wrap s, wrap t )
	114	: filter_min( min ), filter_max( max ), wrap_s( s ), wrap_t( t ) {}
	115	sampler( filter f, wrap w )
	116	: filter_min( f ), filter_max( f ), wrap_s( w ), wrap_t( w ) {}
	117
	118	};
	119
[410]	120	enum buffer_hint
	121	{
	122	STATIC_DRAW,
	123	STREAM_DRAW,
	124	DYNAMIC_DRAW
	125	};
	126
[412]	127	enum buffer_type
	128	{
	129	VERTEX_BUFFER,
	130	INDEX_BUFFER,
	131	};
	132
[302]	133	struct buffer_info
	134	{
	135	buffer_type type;
	136	buffer_hint hint;
	137	size_t size;
	138	};
	139
	140
[301]	141	struct texture_info
	142	{
[331]	143	texture_type type;
[463]	144	ivec3 size;
[301]	145	image_format format;
[323]	146	sampler tsampler;
[301]	147	};
	148
[302]	149	struct vertex_buffer_attribute
	150	{
	151	buffer vbuffer;
	152	datatype dtype;
	153	size_t components;
	154	size_t offset;
	155	size_t stride;
	156	slot location;
	157	bool owner;
	158	};
[301]	159
[303]	160	struct program_info
	161	{
[392]	162	attribute_map* m_attribute_map;
	163	uniform_map* m_uniform_map;
	164	engine_uniform_list* m_engine_uniforms;
[303]	165	};
	166
[32]	167	class device
	168	{
[302]	169	friend class context;
[32]	170	public:
[303]	171	device()
	172	{
	173	initialize_engine_uniforms();
	174	}
[399]	175	virtual program create_program( string_view vs_source, string_view fs_source ) = 0;
[302]	176	virtual buffer create_buffer( buffer_type type, buffer_hint hint, size_t size, const void* source = nullptr ) = 0;
[406]	177	virtual texture create_texture( texture_type type, ivec2 size, image_format aformat, sampler asampler, const void* data = nullptr ) = 0;
[463]	178	virtual texture create_texture( texture_type type, ivec3 size, image_format aformat, sampler asampler, const void* data = nullptr ) = 0;
[331]	179	// TODO: remove?
[406]	180	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]	181	virtual image_data* create_image_data( string_view filename ) = 0; // temporary
[350]	182	virtual image_data* create_image_data( const uint8* data, uint32 size ) = 0; // temporary
[302]	183	virtual void release( texture ) = 0;
	184	virtual void release( buffer ) = 0;
[303]	185	virtual void release( program ) = 0;
	186	virtual const texture_info* get_texture_info( texture ) const = 0;
	187	virtual const buffer_info* get_buffer_info( buffer ) const = 0;
[438]	188	virtual string_view get_shader_header() const = 0;
[303]	189
[301]	190	virtual texture create_texture( image_data* data, sampler asampler )
[292]	191	{
[406]	192	return create_texture( data->get_size(), data->get_format(), asampler, data->get_data() );
[292]	193	}
	194
[439]	195	int try_get_attribute_location( program p, const string_view& name ) const
[303]	196	{
	197	return get_attribute_location( p, name, false );
	198	}
[238]	199
[439]	200	virtual int get_attribute_location( program p, const string_view& name, bool fatal = true ) const = 0;
[303]	201
	202	template < typename T >
[439]	203	void set_uniform_array( program p, const string_view& name, const T* value, uint32 count, bool fatal = true )
[303]	204	{
	205	uniform_base* base = get_uniform( p, name, fatal );
	206	if ( base != nullptr )
	207	{
	208	if ( base->type_check( type_to_enum<T>::type ) )
	209	{
	210	// TODO: nicer check
[406]	211	NV_ASSERT( static_cast<int>( count ) <= base->get_length(), "LENGTH CHECK FAIL" );
	212	static_cast< uniform<T>* >( base )->set_value( value, count );
[303]	213	}
	214	}
	215	}
	216
	217	template < typename T >
[439]	218	void set_opt_uniform_array( program p, const string_view& name, const T* value, uint32 count )
[303]	219	{
	220	set_uniform_array( p, name, value, count, false );
	221	}
	222
	223	template < typename T >
[439]	224	void set_opt_uniform_array( program p, const string_view& name, const array_view<T>& value )
[303]	225	{
[406]	226	set_uniform_array( p, name, value.data(), value.size(), false );
[303]	227	}
	228
	229
	230	template < typename T >
[439]	231	void set_uniform( program p, const string_view& name, const T& value, 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	{
[406]	238	static_cast< uniform<T>* >( base )->set_value( value );
[303]	239	}
	240	}
	241	}
	242
	243	template < typename T >
[439]	244	void set_opt_uniform( program p, const string_view& name, const T& value )
[303]	245	{
	246	set_uniform( p, name, value, false );
	247	}
	248
[302]	249	virtual ~device()
	250	{
[303]	251	destroy_engine_uniforms();
[302]	252	}
[303]	253
	254	// This is done this way to avoid compilation unit creation
	255	static engine_uniform_factory_map& get_uniform_factory()
	256	{
	257	static engine_uniform_factory_map s_engine_uniform_factory_map;
	258	return s_engine_uniform_factory_map;
	259	}
	260
	261	// This is done this way to avoid compilation unit creation
	262	static engine_link_uniform_factory_map& get_link_uniform_factory()
	263	{
	264	static engine_link_uniform_factory_map s_engine_link_uniform_factory_map;
	265	return s_engine_link_uniform_factory_map;
	266	}
	267
	268	virtual void prepare_program( program p ) = 0;
	269
[302]	270	protected:
[439]	271	virtual uniform_base* get_uniform( program p, const string_view& name, bool fatal = true ) const = 0;
[303]	272
	273	void initialize_engine_uniforms()
	274	{
	275	engine_uniform_factory_map& factory_map = get_uniform_factory();
[462]	276	factory_map[ "nv_m_view" ] = new engine_uniform_factory< engine_uniform_m_view >();
	277	factory_map[ "nv_m_view_inv" ] = new engine_uniform_factory< engine_uniform_m_view_inv >();
	278	factory_map[ "nv_m_model" ] = new engine_uniform_factory< engine_uniform_m_model >();
	279	factory_map[ "nv_m_model_inv" ] = new engine_uniform_factory< engine_uniform_m_model_inv >();
	280	factory_map[ "nv_m_modelview" ] = new engine_uniform_factory< engine_uniform_m_modelview >();
	281	factory_map[ "nv_m_modelview_inv" ] = new engine_uniform_factory< engine_uniform_m_modelview_inv >();
	282	factory_map[ "nv_m_projection" ] = new engine_uniform_factory< engine_uniform_m_projection >();
[472]	283	factory_map[ "nv_m_projection_inv"] = new engine_uniform_factory< engine_uniform_m_projection_inv >();
[462]	284	factory_map[ "nv_m_normal" ] = new engine_uniform_factory< engine_uniform_m_normal >();
	285	factory_map[ "nv_m_mvp" ] = new engine_uniform_factory< engine_uniform_m_mvp >();
[472]	286	factory_map[ "nv_m_mvp_inv"] = new engine_uniform_factory< engine_uniform_m_mvp_inv >();
[303]	287	factory_map[ "nv_v_camera_position" ] = new engine_uniform_factory< engine_uniform_v_camera_position >();
	288	factory_map[ "nv_v_camera_direction" ] = new engine_uniform_factory< engine_uniform_v_camera_direction >();
[342]	289	factory_map[ "nv_v_viewport" ] = new engine_uniform_factory< engine_uniform_v_viewport >();
	290	factory_map[ "nv_v_screen_size" ] = new engine_uniform_factory< engine_uniform_v_screen_size >();
[303]	291
	292	engine_link_uniform_factory_map& factory_link_map = get_link_uniform_factory();
	293	factory_link_map[ "nv_texture_0" ] = new engine_link_uniform_int<0>();
	294	factory_link_map[ "nv_texture_1" ] = new engine_link_uniform_int<1>();
	295	factory_link_map[ "nv_texture_2" ] = new engine_link_uniform_int<2>();
	296	factory_link_map[ "nv_texture_3" ] = new engine_link_uniform_int<3>();
	297	factory_link_map[ "nv_texture_4" ] = new engine_link_uniform_int<4>();
	298	factory_link_map[ "nv_texture_5" ] = new engine_link_uniform_int<5>();
	299	factory_link_map[ "nv_texture_6" ] = new engine_link_uniform_int<6>();
	300	factory_link_map[ "nv_texture_7" ] = new engine_link_uniform_int<7>();
	301	factory_link_map[ "nv_t_diffuse" ] = new engine_link_uniform_int<0>();
	302	factory_link_map[ "nv_t_specular"] = new engine_link_uniform_int<1>();
	303	factory_link_map[ "nv_t_normal" ] = new engine_link_uniform_int<2>();
[461]	304	factory_link_map[ "nv_t_gloss" ] = new engine_link_uniform_int<3>();
[303]	305	}
	306	void destroy_engine_uniforms()
	307	{
	308	for ( auto& i : get_uniform_factory() ) delete i.second;
	309	for ( auto& i : get_link_uniform_factory() ) delete i.second;
	310	get_uniform_factory().clear();
	311	get_link_uniform_factory().clear();
	312	}
	313
[32]	314	};
	315
	316	} // namespace nv
	317
	318
[395]	319	#endif // NV_INTERFACE_DEVICE_HH

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