| 1 | // Copyright (C) 2015-2015 ChaosForge Ltd
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| 2 | // http://chaosforge.org/
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| 3 | //
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| 4 | // This file is part of Nova libraries.
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| 5 | // For conditions of distribution and use, see copying.txt file in root folder.
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| 6 |
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| 7 | #include "nv/engine/material_manager.hh"
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| 8 |
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| 9 | #include "nv/io/c_file_system.hh"
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| 10 | #include "nv/image/png_loader.hh"
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| 11 |
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| 12 | using namespace nv;
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| 13 |
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| 14 |
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| 15 | nv::gpu_material_manager::gpu_material_manager( context* context, material_manager* matmgr, image_manager* imgmgr )
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| 16 | : m_context( context )
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| 17 | , m_material_manager( matmgr )
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| 18 | , m_image_manager( imgmgr )
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| 19 | {
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| 20 | uint8 data[2 * 2 * 3];
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| 21 | nv::raw_fill_n( data, 2 * 2 * 3, 0 );
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| 22 | m_default = m_context->get_device()->create_texture( ivec2(2,2), nv::image_format( nv::RGB ), nv::sampler(), data );
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| 23 | }
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| 24 |
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| 25 | bool gpu_material_manager::load_resource( const string_view& id )
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| 26 | {
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| 27 | if ( auto mat = m_material_manager->get( id ).lock() )
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| 28 | {
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| 29 | gpu_material* result = new gpu_material;
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| 30 | sampler smp( sampler::LINEAR, sampler::REPEAT );
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| 31 | for ( uint32 i = 0; i < size( mat->paths ); ++i )
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| 32 | if ( !mat->paths[i].empty() )
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| 33 | {
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| 34 | if ( auto data = m_image_manager->get( mat->paths[i] ).lock() )
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| 35 | {
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| 36 | result->textures[i] = m_context->get_device()->create_texture( &*data, smp );
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| 37 | }
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| 38 | }
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| 39 |
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| 40 | // HACK
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| 41 | for ( uint32 i = 0; i < 8; ++i )
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| 42 | if ( result->textures[i].is_nil() )
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| 43 | result->textures[i] = m_default;
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| 44 |
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| 45 | add( id, result );
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| 46 | return true;
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| 47 | }
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| 48 | return false;
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| 49 | }
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| 50 |
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| 51 | void gpu_material_manager::release( gpu_material* m )
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| 52 | {
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| 53 | for ( const texture& t : m->textures )
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| 54 | {
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| 55 | m_context->get_device()->release( t );
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| 56 | }
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| 57 | }
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| 58 |
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| 59 | bool material_manager::load_resource( nv::lua::table_guard& table, nv::shash64 id )
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| 60 | {
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| 61 | c_file_system fs;
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| 62 | material* m = new material;
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| 63 |
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| 64 | if ( table.is_string( "path" ) )
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| 65 | {
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| 66 | string128 path = table.get_string128( "path" );
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| 67 | for ( uint32 i = 0; i < 5; ++i )
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| 68 | m->paths[i] = path;
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| 69 | m->paths[TEX_DIFFUSE].append( "_diffuse.png" );
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| 70 | m->paths[TEX_NORMAL].append( "_normal.png" );
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| 71 | m->paths[TEX_METALLIC].append( "_metallic.png" );
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| 72 | m->paths[TEX_ROUGHNESS].append( "_roughness.png" );
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| 73 | m->paths[TEX_EMISSIVE].append( "_emissive.png" );
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| 74 | for ( uint32 i = 0; i < 5; ++i )
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| 75 | {
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| 76 | if ( !fs.exists( m->paths[i] ) )
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| 77 | {
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| 78 | if ( i != TEX_EMISSIVE )
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| 79 | NV_LOG_ERROR( "Texture file not found! : ", m->paths[i] );
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| 80 | m->paths[i].clear();
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| 81 | }
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| 82 | }
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| 83 | }
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| 84 | else
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| 85 | {
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| 86 | m->paths[ TEX_DIFFUSE ] = table.get_string128( "diffuse" );
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| 87 | m->paths[ TEX_NORMAL ] = table.get_string128( "normal" );
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| 88 | m->paths[ TEX_METALLIC] = table.get_string128( "metallic" );
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| 89 | m->paths[ TEX_ROUGHNESS] = table.get_string128( "roughness" );
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| 90 | m->paths[ TEX_EMISSIVE ] = table.get_string128( "emissive" );
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| 91 | }
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| 92 | add( id, m );
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| 93 | return true;
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| 94 | }
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| 95 |
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