[32] | 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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[301] | 17 | #include <nv/handle.hh>
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[238] | 18 | #include <nv/interface/mesh_data.hh>
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[42] | 19 | #include <nv/interface/vertex_buffer.hh>
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[90] | 20 | #include <nv/interface/image_data.hh>
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[32] | 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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[301] | 27 | struct sampler
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| 28 | {
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| 29 | enum filter
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| 30 | {
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| 31 | LINEAR,
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| 32 | NEAREST,
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| 33 | NEAREST_MIPMAP_NEAREST,
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| 34 | LINEAR_MIPMAP_NEAREST,
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| 35 | NEAREST_MIPMAP_LINEAR,
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| 36 | LINEAR_MIPMAP_LINEAR
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| 37 | };
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| 38 | enum wrap
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| 39 | {
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| 40 | CLAMP_TO_EDGE,
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| 41 | CLAMP_TO_BORDER,
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| 42 | MIRRORED_REPEAT,
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| 43 | REPEAT
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| 44 | };
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| 45 |
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| 46 | filter filter_min;
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| 47 | filter filter_max;
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| 48 | wrap wrap_s;
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| 49 | wrap wrap_t;
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| 50 |
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| 51 | sampler() : filter_min( LINEAR ), filter_max( LINEAR ), wrap_s( REPEAT ), wrap_t( REPEAT ) {}
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| 52 | sampler( filter min, filter max, wrap s, wrap t )
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| 53 | : filter_min( min ), filter_max( max ), wrap_s( s ), wrap_t( t ) {}
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| 54 | sampler( filter f, wrap w )
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| 55 | : filter_min( f ), filter_max( f ), wrap_s( w ), wrap_t( w ) {}
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| 56 |
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| 57 | };
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| 58 |
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| 59 | struct texture_info
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| 60 | {
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| 61 | ivec2 size;
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| 62 | image_format format;
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| 63 | sampler sampler;
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| 64 | };
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| 65 |
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| 66 |
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| 67 | struct texture_tag {};
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| 68 | typedef handle< uint32, 16, 16, texture_tag > texture;
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| 69 |
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[32] | 70 | class device
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| 71 | {
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| 72 | public:
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[228] | 73 | virtual window* create_window( uint16 width, uint16 height, bool fullscreen ) = 0;
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[245] | 74 | virtual window* adopt_window( void* sys_w_handle, void* sys_dc ) = 0;
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[39] | 75 | virtual program* create_program( const string& vs_source, const string& fs_source ) = 0;
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[153] | 76 | virtual vertex_buffer* create_vertex_buffer( buffer_hint hint, size_t size, const void* source = nullptr ) = 0;
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| 77 | virtual index_buffer* create_index_buffer( buffer_hint hint, size_t size, const void* source = nullptr ) = 0;
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[44] | 78 | virtual vertex_array* create_vertex_array() = 0;
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[90] | 79 | virtual image_data* create_image_data( const std::string& filename ) = 0; // temporary
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[301] | 80 | virtual texture create_texture( ivec2 size, image_format aformat, sampler asampler, void* data = nullptr ) = 0;
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| 81 | virtual void release_texture( texture ) = 0;
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| 82 | virtual const texture_info* get_texture_info( texture ) = 0;
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[92] | 83 | virtual uint32 get_ticks() = 0;
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| 84 | virtual void delay( uint32 ms ) = 0;
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[73] | 85 |
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[301] | 86 | virtual texture create_texture( image_data* data, sampler asampler )
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[292] | 87 | {
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[301] | 88 | return create_texture( data->get_size(), data->get_format(), asampler, (void*)data->get_data() );
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[292] | 89 | }
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| 90 |
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[237] | 91 | template < typename VTX, slot SLOT >
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| 92 | void add_vertex_buffer_impl( vertex_array*, vertex_buffer*, const std::false_type& )
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| 93 | {
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| 94 | }
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| 95 |
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| 96 | template < typename VTX, slot SLOT >
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| 97 | void add_vertex_buffer_impl( vertex_array* va, vertex_buffer* vb, const std::true_type& )
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| 98 | {
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| 99 | typedef vertex_slot_info< VTX, SLOT > vinfo;
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| 100 | typedef datatype_traits< typename vinfo::value_type > dt_traits;
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| 101 | 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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| 102 | }
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| 103 |
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| 104 | template < typename VTX, slot SLOT >
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| 105 | void add_vertex_buffer( vertex_array* va, vertex_buffer* vb )
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| 106 | {
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| 107 | add_vertex_buffer_impl< VTX, SLOT >( va, vb, std::integral_constant< bool, vertex_has_slot< VTX, SLOT >::value >() );
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| 108 | }
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| 109 |
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| 110 |
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| 111 | template < typename VTX >
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| 112 | vertex_array* create_vertex_array( const VTX* v, size_t count, buffer_hint hint )
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| 113 | {
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[277] | 114 | // TODO: vb will not be owned or freed!
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[237] | 115 | vertex_array* va = create_vertex_array();
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| 116 | vertex_buffer* vb = create_vertex_buffer( hint, count * sizeof( VTX ), v );
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| 117 | add_vertex_buffer< VTX, slot::POSITION > ( va, vb );
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| 118 | add_vertex_buffer< VTX, slot::TEXCOORD > ( va, vb );
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| 119 | add_vertex_buffer< VTX, slot::NORMAL > ( va, vb );
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| 120 | add_vertex_buffer< VTX, slot::TANGENT > ( va, vb );
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| 121 | add_vertex_buffer< VTX, slot::BONEINDEX > ( va, vb );
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| 122 | add_vertex_buffer< VTX, slot::BONEWEIGHT >( va, vb );
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| 123 | add_vertex_buffer< VTX, slot::COLOR > ( va, vb );
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| 124 | return va;
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| 125 | }
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| 126 |
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| 127 | template < typename VTX >
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| 128 | vertex_array* create_vertex_array( const std::vector< VTX >& data, buffer_hint hint )
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| 129 | {
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| 130 | return create_vertex_array( data.data(), data.size(), hint );
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| 131 | }
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| 132 |
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| 133 | template < typename VTX, typename IDX >
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| 134 | vertex_array* create_vertex_array( const VTX* v, size_t vcount, const IDX* i, size_t icount, buffer_hint hint )
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| 135 | {
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| 136 | vertex_array* va = create_vertex_array( v, vcount, hint );
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| 137 | index_buffer* ib = create_index_buffer( hint, icount * sizeof( IDX ), i );
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| 138 | va->set_index_buffer( ib, type_to_enum< IDX >::type, true );
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| 139 | return va;
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| 140 | }
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| 141 |
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| 142 | template < typename VTX, typename IDX >
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| 143 | vertex_array* create_vertex_array( const std::vector< VTX >& data, const std::vector< IDX >& idata, buffer_hint hint )
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| 144 | {
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| 145 | return create_vertex_array( data.data(), data.size(), idata.data(), idata.size(), hint );
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| 146 | }
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| 147 |
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[238] | 148 | // TODO: HINTS ARE DIFFERENT!
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| 149 | vertex_array* create_vertex_array( const mesh_data* data, buffer_hint hint )
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| 150 | {
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| 151 | vertex_array* va = create_vertex_array();
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[280] | 152 | const std::vector< mesh_raw_channel* >& channels = data->get_raw_channels();
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| 153 | for ( uint32 ch = 0; ch < channels.size(); ++ch )
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[238] | 154 | {
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[280] | 155 | const mesh_raw_channel* channel = channels[ch];
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[287] | 156 | if ( channel->count > 0 )
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[280] | 157 | {
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[287] | 158 | if ( channel->is_index() )
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| 159 | {
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| 160 | index_buffer* ib = create_index_buffer( hint, channel->size(), channel->data );
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| 161 | va->set_index_buffer( ib, channel->desc.slots[0].etype, true );
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| 162 | }
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| 163 | else
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| 164 | {
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| 165 | vertex_buffer* vb = create_vertex_buffer( hint, channel->size(), channel->data );
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| 166 | va->add_vertex_buffers( vb, channel );
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| 167 | }
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[280] | 168 | }
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[238] | 169 | }
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| 170 | return va;
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| 171 | }
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| 172 |
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| 173 |
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[121] | 174 | virtual ~device() {}
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[32] | 175 | };
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| 176 |
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| 177 | } // namespace nv
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| 178 |
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| 179 |
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| 180 | #endif // NV_DEVICE_HH
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