57 lines
2.5 KiB
C++
57 lines
2.5 KiB
C++
// Copyright (C) 2017 Jérôme Leclercq
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// This file is part of the "Nazara Engine - Graphics module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#include <Nazara/Graphics/GraphicalMesh.hpp>
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#include <Nazara/Graphics/Graphics.hpp>
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#include <Nazara/Utility/SoftwareBuffer.hpp>
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#include <Nazara/Utility/StaticMesh.hpp>
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#include <cassert>
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#include <Nazara/Graphics/Debug.hpp>
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namespace Nz
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{
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GraphicalMesh::GraphicalMesh(const Mesh* mesh)
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{
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assert(mesh->GetAnimationType() == AnimationType_Static);
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const std::shared_ptr<RenderDevice>& renderDevice = Graphics::Instance()->GetRenderDevice();
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m_subMeshes.reserve(mesh->GetSubMeshCount());
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for (std::size_t i = 0; i < mesh->GetSubMeshCount(); ++i)
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{
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const SubMesh* subMesh = mesh->GetSubMesh(i);
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const StaticMesh* staticMesh = static_cast<const StaticMesh*>(subMesh);
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const IndexBuffer* indexBuffer = staticMesh->GetIndexBuffer();
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const VertexBuffer* vertexBuffer = staticMesh->GetVertexBuffer();
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assert(indexBuffer->GetBuffer()->GetStorage() == DataStorage_Software);
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const SoftwareBuffer* indexBufferContent = static_cast<const SoftwareBuffer*>(indexBuffer->GetBuffer()->GetImpl());
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assert(vertexBuffer->GetBuffer()->GetStorage() == DataStorage_Software);
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const SoftwareBuffer* vertexBufferContent = static_cast<const SoftwareBuffer*>(vertexBuffer->GetBuffer()->GetImpl());
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auto& submeshData = m_subMeshes.emplace_back();
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submeshData.indexBuffer = renderDevice->InstantiateBuffer(BufferType_Index);
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if (!submeshData.indexBuffer->Initialize(indexBuffer->GetStride() * indexBuffer->GetIndexCount(), BufferUsage_DeviceLocal))
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throw std::runtime_error("failed to create index buffer");
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if (!submeshData.indexBuffer->Fill(indexBufferContent->GetData() + indexBuffer->GetStartOffset(), 0, indexBuffer->GetEndOffset() - indexBuffer->GetStartOffset()))
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throw std::runtime_error("failed to fill index buffer");
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submeshData.indexCount = indexBuffer->GetIndexCount();
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submeshData.vertexBuffer = renderDevice->InstantiateBuffer(BufferType_Vertex);
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if (!submeshData.vertexBuffer->Initialize(vertexBuffer->GetStride() * vertexBuffer->GetVertexCount(), BufferUsage_DeviceLocal))
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throw std::runtime_error("failed to create vertex buffer");
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if (!submeshData.vertexBuffer->Fill(vertexBufferContent->GetData() + vertexBuffer->GetStartOffset(), 0, vertexBuffer->GetEndOffset() - vertexBuffer->GetStartOffset()))
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throw std::runtime_error("failed to fill vertex buffer");
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submeshData.vertexDeclaration = vertexBuffer->GetVertexDeclaration();
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}
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}
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}
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