Method preDispose

Source/Engine/Graphics/GPUDevice.cpp:626–654

extern void ClearVertexLayoutCache();

void GPUDevice::preDispose()
{
    Locker.Lock();
    RenderTargetPool::Flush();

    // Release resources
    _res->DefaultMaterial = nullptr;
    _res->DefaultDeformableMaterial = nullptr;
    _res->DefaultNormalMap = nullptr;
    _res->DefaultWhiteTexture = nullptr;
    _res->DefaultBlackTexture = nullptr;
    SAFE_DELETE_GPU_RESOURCE(_res->PS_CopyLinear);
    SAFE_DELETE_GPU_RESOURCE(_res->PS_Clear);
    SAFE_DELETE_GPU_RESOURCE(_res->PS_DecodeYUY2);
    SAFE_DELETE_GPU_RESOURCE(_res->FullscreenTriangleVB);
    ClearVertexLayoutCache();

    Locker.Unlock();

    // Release GPU resources memory and unlink from device
    // Note: after that no GPU resources should be used/created, only deleted
    _resourcesLock.Lock();
    for (int32 i = _resources.Count() - 1; i >= 0 && i < _resources.Count(); i--)
    {
        _resources[i]->OnDeviceDispose();
    }
    _resources.Clear();
    _resourcesLock.Unlock();
}

void GPUDevice::DrawBegin()
{