void FogDemo::CreateVertexBuffer(ID3D11Device* device, const std::shared_ptr<Mesh>& mesh, ID3D11Buffer** vertexBuffer) const
{
const std::vector<XMFLOAT3>& sourceVertices = mesh->Vertices();
std::shared_ptr<std::vector<XMFLOAT3>> textureCoordinates = mesh->TextureCoordinates().at(0);
assert(textureCoordinates->size() == sourceVertices.size());
const std::vector<XMFLOAT3>& normals = mesh->Normals();
assert(normals.size() == sourceVertices.size());
std::vector<VertexPositionTextureNormal> vertices;
vertices.reserve(sourceVertices.size());
for (UINT i = 0; i < sourceVertices.size(); i++)
{
XMFLOAT3 position = sourceVertices.at(i);
XMFLOAT3 uv = textureCoordinates->at(i);
XMFLOAT3 normal = normals.at(i);
vertices.push_back(VertexPositionTextureNormal(XMFLOAT4(position.x, position.y, position.z, 1.0f), XMFLOAT2(uv.x, uv.y), normal));
}
D3D11_BUFFER_DESC vertexBufferDesc;
ZeroMemory(&vertexBufferDesc, sizeof(vertexBufferDesc));
vertexBufferDesc.ByteWidth = (UINT)(sizeof(VertexPositionTextureNormal) * vertices.size());
vertexBufferDesc.Usage = D3D11_USAGE_IMMUTABLE;
vertexBufferDesc.BindFlags = D3D11_BIND_VERTEX_BUFFER;
D3D11_SUBRESOURCE_DATA vertexSubResourceData;
ZeroMemory(&vertexSubResourceData, sizeof(vertexSubResourceData));
vertexSubResourceData.pSysMem = &vertices[0];
ThrowIfFailed(device->CreateBuffer(&vertexBufferDesc, &vertexSubResourceData, vertexBuffer), "ID3D11Device::CreateBuffer() failed.");
}
void SpecularLightingDemo::CreateVertexBuffer(const Mesh& mesh, ID3D11Buffer** vertexBuffer) const
{
const vector<XMFLOAT3>& sourceVertices = mesh.Vertices();
const vector<XMFLOAT3>& sourceNormals = mesh.Normals();
const auto& sourceUVs = mesh.TextureCoordinates().at(0);
vector<VertexPositionTextureNormal> vertices;
vertices.reserve(sourceVertices.size());
for (UINT i = 0; i < sourceVertices.size(); i++)
{
const XMFLOAT3& position = sourceVertices.at(i);
const XMFLOAT3& uv = sourceUVs->at(i);
const XMFLOAT3& normal = sourceNormals.at(i);
vertices.push_back(VertexPositionTextureNormal(XMFLOAT4(position.x, position.y, position.z, 1.0f), XMFLOAT2(uv.x, uv.y), normal));
}
D3D11_BUFFER_DESC vertexBufferDesc = { 0 };
vertexBufferDesc.ByteWidth = sizeof(VertexPositionTextureNormal) * static_cast<UINT>(vertices.size());
vertexBufferDesc.Usage = D3D11_USAGE_IMMUTABLE;
vertexBufferDesc.BindFlags = D3D11_BIND_VERTEX_BUFFER;
D3D11_SUBRESOURCE_DATA vertexSubResourceData = { 0 };
vertexSubResourceData.pSysMem = &vertices[0];
ThrowIfFailed(mGame->Direct3DDevice()->CreateBuffer(&vertexBufferDesc, &vertexSubResourceData, vertexBuffer), "ID3D11Device::CreateBuffer() failed.");
}
