| 47 | } |
| 48 | |
| 49 | bool Tr2LineSet::OnPrepareResources() |
| 50 | { |
| 51 | USE_MAIN_THREAD_RENDER_CONTEXT(); |
| 52 | |
| 53 | |
| 54 | // Visible lines |
| 55 | if( m_vertexDeclHandle == Tr2EffectStateManager::UNINITIALIZED_DECLARATION ) |
| 56 | { |
| 57 | Tr2VertexDefinition vd; |
| 58 | vd.Add( vd.FLOAT32_3, vd.POSITION ); |
| 59 | vd.Add( vd.FLOAT32_4, vd.TEXCOORD ); |
| 60 | |
| 61 | m_vertexDeclHandle = Tr2EffectStateManager::GetVertexDeclarationHandle( vd ); |
| 62 | if( m_vertexDeclHandle == Tr2EffectStateManager::UNINITIALIZED_DECLARATION ) |
| 63 | { |
| 64 | return false; |
| 65 | } |
| 66 | } |
| 67 | |
| 68 | // Picking geometry |
| 69 | if( m_pickingVertexDeclHandle == Tr2EffectStateManager::UNINITIALIZED_DECLARATION ) |
| 70 | { |
| 71 | Tr2VertexDefinition vd; |
| 72 | vd.Add( vd.FLOAT32_3, vd.POSITION ); |
| 73 | |
| 74 | m_pickingVertexDeclHandle = Tr2EffectStateManager::GetVertexDeclarationHandle( vd ); |
| 75 | if( m_pickingVertexDeclHandle == Tr2EffectStateManager::UNINITIALIZED_DECLARATION ) |
| 76 | { |
| 77 | return false; |
| 78 | } |
| 79 | } |
| 80 | |
| 81 | if( m_lines.size() ) |
| 82 | { |
| 83 | if( !m_vertexBuffer.IsValid() || ( m_currentSubmittedLineCount < m_lines.size() ) ) |
| 84 | { |
| 85 | USE_MAIN_THREAD_RENDER_CONTEXT(); |
| 86 | CR_RETURN_VAL( |
| 87 | m_vertexBuffer.Create( |
| 88 | sizeof( LineData ), |
| 89 | (unsigned int)m_lines.size(), |
| 90 | Tr2GpuUsage::VERTEX_BUFFER, |
| 91 | Tr2CpuUsage::WRITE_OFTEN, |
| 92 | nullptr, |
| 93 | renderContext ), |
| 94 | false ); |
| 95 | m_currentSubmittedLineCount = (unsigned int)m_lines.size(); |
| 96 | } |
| 97 | |
| 98 | // Create a bounding sphere around the visible lines |
| 99 | Vector3 center( 0.0f, 0.0f, 0.0f ); |
| 100 | float radius = 0.0f; |
| 101 | ComputeBoundingSphere( static_cast<Vector3*>( &m_lines[0].m_position1 ), (unsigned int)m_lines.size() * 2, sizeof( LineData ) / 2, center, radius ); |
| 102 | |
| 103 | void* vertexBuffer; |
| 104 | CR_RETURN_VAL( m_vertexBuffer.MapForWriting( vertexBuffer, renderContext ), false ); |
| 105 | memcpy( vertexBuffer, &m_lines[0], sizeof( LineData ) * m_lines.size() ); |
| 106 | m_vertexBuffer.UnmapForWriting( renderContext ); |
nothing calls this directly
no test coverage detected