Method draw

core/3d/Mesh.cpp:429–550

}

void Mesh::draw(Renderer* renderer,
                float globalZOrder,
                const Mat4& transform,
                uint32_t flags,
                unsigned int lightMask,
                const Vec4& color,
                bool forceDepthWrite,
                bool wireframe)
{
    if (!isVisible())
        return;

    bool isTransparent = (_material->isTransparent() || color.w < 1.f);
    float globalZ      = isTransparent ? 0 : globalZOrder;
    if (isTransparent)
        flags |= Node::FLAGS_RENDER_AS_3D;

    if (_instancing && _instanceCount > 0)
    {
        if (!_instanceTransformBuffer || _instanceTransformBufferDirty)
        {
            AX_SAFE_RELEASE(_instanceTransformBuffer);
            AX_SAFE_DELETE_ARRAY(_instanceMatrixCache);

            _instanceTransformBuffer = backend::DriverBase::getInstance()->newBuffer(
                _instanceCount * 64, backend::BufferType::VERTEX, backend::BufferUsage::DYNAMIC);

            _instanceMatrixCache = new float[_instanceCount * 16];
            for (int i = 0; i < _instanceCount; i++)
            {
                _instanceMatrixCache[i * 16 + 0]  = 1.0f;
                _instanceMatrixCache[i * 16 + 1]  = 0.0f;
                _instanceMatrixCache[i * 16 + 2]  = 0.0f;
                _instanceMatrixCache[i * 16 + 3]  = 0.0f;
                _instanceMatrixCache[i * 16 + 4]  = 0.0f;
                _instanceMatrixCache[i * 16 + 5]  = 1.0f;
                _instanceMatrixCache[i * 16 + 6]  = 0.0f;
                _instanceMatrixCache[i * 16 + 7]  = 0.0f;
                _instanceMatrixCache[i * 16 + 8]  = 0.0f;
                _instanceMatrixCache[i * 16 + 9]  = 0.0f;
                _instanceMatrixCache[i * 16 + 10] = 1.0f;
                _instanceMatrixCache[i * 16 + 11] = 0.0f;
                _instanceMatrixCache[i * 16 + 12] = 0.0f;
                _instanceMatrixCache[i * 16 + 13] = 0.0f;
                _instanceMatrixCache[i * 16 + 14] = 0.0f;
                _instanceMatrixCache[i * 16 + 15] = 1.0f;
            }

            // Fill the buffer with identity matrix.
            _instanceTransformBuffer->updateData(_instanceMatrixCache, _instanceCount * 64);

            _instanceTransformBufferDirty = false;
        }

        if (_instanceTransformDirty || _dynamicInstancing)
        {
            _instanceTransformDirty = false;