| 1 | // Copyright (C) 2012-2013 ChaosForge / Kornel Kisielewicz
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| 2 | // http://chaosforge.org/
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| 3 | //
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| 4 | // This file is part of NV Libraries.
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| 5 | // For conditions of distribution and use, see copyright notice in nv.hh
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| 6 | /**
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| 7 | * @file device.hh
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| 8 | * @author Kornel Kisielewicz epyon@chaosforge.org
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| 9 | * @brief Device class
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| 10 | */
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| 11 |
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| 12 | #ifndef NV_DEVICE_HH
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| 13 | #define NV_DEVICE_HH
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| 14 |
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| 15 | #include <nv/common.hh>
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| 16 | #include <nv/string.hh>
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| 17 | #include <nv/interface/mesh_data.hh>
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| 18 | #include <nv/interface/vertex_buffer.hh>
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| 19 | #include <nv/interface/texture2d.hh>
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| 20 | #include <nv/interface/image_data.hh>
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| 21 |
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| 22 | namespace nv
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| 23 | {
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| 24 | class window;
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| 25 | class program;
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| 26 |
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| 27 | class device
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| 28 | {
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| 29 | public:
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| 30 | virtual window* create_window( uint16 width, uint16 height, bool fullscreen ) = 0;
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| 31 | virtual program* create_program( const string& vs_source, const string& fs_source ) = 0;
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| 32 | virtual vertex_buffer* create_vertex_buffer( buffer_hint hint, size_t size, const void* source = nullptr ) = 0;
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| 33 | virtual index_buffer* create_index_buffer( buffer_hint hint, size_t size, const void* source = nullptr ) = 0;
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| 34 | virtual vertex_array* create_vertex_array() = 0;
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| 35 | virtual image_data* create_image_data( const std::string& filename ) = 0; // temporary
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| 36 | virtual texture2d* create_texture2d( ivec2 size, image_format aformat, datatype adatatype, sampler asampler, void* data = nullptr ) = 0;
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| 37 | virtual uint32 get_ticks() = 0;
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| 38 | virtual void delay( uint32 ms ) = 0;
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| 39 |
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| 40 | template < typename VTX, slot SLOT >
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| 41 | void add_vertex_buffer_impl( vertex_array*, vertex_buffer*, const std::false_type& )
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| 42 | {
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| 43 | }
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| 44 |
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| 45 | template < typename VTX, slot SLOT >
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| 46 | void add_vertex_buffer_impl( vertex_array* va, vertex_buffer* vb, const std::true_type& )
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| 47 | {
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| 48 | typedef vertex_slot_info< VTX, SLOT > vinfo;
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| 49 | typedef datatype_traits< typename vinfo::value_type > dt_traits;
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| 50 | va->add_vertex_buffer( SLOT, vb, type_to_enum< dt_traits::base_type >::type, dt_traits::size, vinfo::offset, sizeof( VTX ), false );
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| 51 | }
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| 52 |
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| 53 | template < typename VTX, slot SLOT >
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| 54 | void add_vertex_buffer( vertex_array* va, vertex_buffer* vb )
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| 55 | {
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| 56 | add_vertex_buffer_impl< VTX, SLOT >( va, vb, std::integral_constant< bool, vertex_has_slot< VTX, SLOT >::value >() );
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| 57 | }
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| 58 |
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| 59 |
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| 60 | template < typename VTX >
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| 61 | vertex_array* create_vertex_array( const VTX* v, size_t count, buffer_hint hint )
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| 62 | {
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| 63 | vertex_array* va = create_vertex_array();
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| 64 | vertex_buffer* vb = create_vertex_buffer( hint, count * sizeof( VTX ), v );
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| 65 | add_vertex_buffer< VTX, slot::POSITION > ( va, vb );
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| 66 | add_vertex_buffer< VTX, slot::TEXCOORD > ( va, vb );
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| 67 | add_vertex_buffer< VTX, slot::NORMAL > ( va, vb );
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| 68 | add_vertex_buffer< VTX, slot::TANGENT > ( va, vb );
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| 69 | add_vertex_buffer< VTX, slot::BONEINDEX > ( va, vb );
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| 70 | add_vertex_buffer< VTX, slot::BONEWEIGHT >( va, vb );
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| 71 | add_vertex_buffer< VTX, slot::COLOR > ( va, vb );
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| 72 | return va;
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| 73 | }
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| 74 |
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| 75 | template < typename VTX >
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| 76 | vertex_array* create_vertex_array( const std::vector< VTX >& data, buffer_hint hint )
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| 77 | {
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| 78 | return create_vertex_array( data.data(), data.size(), hint );
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| 79 | }
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| 80 |
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| 81 | template < typename VTX, typename IDX >
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| 82 | vertex_array* create_vertex_array( const VTX* v, size_t vcount, const IDX* i, size_t icount, buffer_hint hint )
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| 83 | {
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| 84 | vertex_array* va = create_vertex_array( v, vcount, hint );
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| 85 | index_buffer* ib = create_index_buffer( hint, icount * sizeof( IDX ), i );
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| 86 | va->set_index_buffer( ib, type_to_enum< IDX >::type, true );
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| 87 | return va;
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| 88 | }
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| 89 |
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| 90 | template < typename VTX, typename IDX >
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| 91 | vertex_array* create_vertex_array( const std::vector< VTX >& data, const std::vector< IDX >& idata, buffer_hint hint )
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| 92 | {
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| 93 | return create_vertex_array( data.data(), data.size(), idata.data(), idata.size(), hint );
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| 94 | }
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| 95 |
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| 96 | // TODO: HINTS ARE DIFFERENT!
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| 97 | vertex_array* create_vertex_array( const mesh_data* data, buffer_hint hint )
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| 98 | {
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| 99 | vertex_array* va = create_vertex_array();
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| 100 | for ( uint32 ch = 0; ch < data->get_channel_data().size(); ++ch )
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| 101 | {
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| 102 | const mesh_raw_channel* channel = data->get_channel_data()[ch];
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| 103 | vertex_buffer* vb = create_vertex_buffer( hint, channel->size, channel->data );
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| 104 | va->add_vertex_buffers( vb, channel );
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| 105 | }
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| 106 | if ( data->get_index_channel() != nullptr )
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| 107 | {
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| 108 | const mesh_raw_index_channel* index = data->get_index_channel();
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| 109 | index_buffer* ib = create_index_buffer( hint, index->size, index->data );
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| 110 | va->set_index_buffer( ib, index->etype, true );
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| 111 | }
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| 112 | return va;
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| 113 | }
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| 114 |
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| 115 |
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| 116 | virtual ~device() {}
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| 117 | };
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| 118 |
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| 119 | } // namespace nv
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| 120 |
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| 121 |
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| 122 | #endif // NV_DEVICE_HH
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