Can you fly a quick mission, get these fps drops to happen and maybe resolve themselves, then quit and post EnhancedShaders.log (from the WOTR "Logs" folder) here.
I don't really know what causes them for you but I have an idea about possible issue in shaders and need to check logs.
Hi AnKor - many thanks for the quick reply. Just ran through the He111 Quick Scenario. Here's the EhancedShaders.log:
0.00: DllMain - Start.
4.22: D3DWrapper::GetAdapterDisplayMode - 1920, 1080, 60, 22
4.28: D3DWrapper::GetAdapterDisplayMode - 1920, 1080, 60, 22
4.31: D3DWrapper::CreateDevice - NVIDIA GeForce GTX 1050 Ti (Driver Version: 26.21.14.3602)
4.31: D3DWrapper::CreateDevice - Hardware Vertex Processing
4.31: D3DWrapper::CreateDevice - Adapter: 0, Type: 1, Flags: 0x42
4.31: D3DWrapper::CreateDevice - Windowed: 0, Width: 1920, Height: 1080, Refresh: 0, Format: 22, Multisampling: 8
4.31: D3DWrapper::CreateDevice - AutoDepthStencil: 1 Format: 75
4.31: D3DWrapper::CreateDevice - SwapEffect: 1, PresentationInterval: 0, BackBufferCount: 1
4.31: D3DWrapper::CreateDevice - D3D9Ex is enabled.
4.89: FakeDevice::FakeDevice - Available Texture Memory 4095 MB
4.89: FakeDevice::FakeDevice - cfs3.exe version: 3.1.0.30203
4.89: FakeDevice::FakeDevice - Patching external FOV: 35 (0.610865)
4.89: FakeDevice::FakeDevice - Patching visibility culling.
4.89: EffectBase::CheckShaderCache
4.89: EffectBase::CheckShaderCache - OBDWW2 Wings Over The Reich
4.89: VirtualCockpit::EnableEnhancements - Patching cockpit view.
4.89: VirtualCockpit::EnableEnhancements - Zoom Settings: 0.800000 1.250000 10.000000
4.89: VirtualCockpit::EnableEnhancements - Mouse Look Speed: 1.000000
4.89: LightArray::ApplyPatch - Patching maximum dynamic light count.
4.89: DrawRecorder::DrawRecorder - Starting worker threads.
4.89: WorkerThread::WorkerThread - Number of Processors: 8
4.94: ModelBuffer::Init - SSE4.1 is available
4.94: ModelBuffer::CreateBuffers - Capacity = 1200000
4.94: ModelBuffer::Init - Available Texture Memory 4095 MB
4.95: Models::OnInit - Shadow Map Size: 2048, Filter: 1
4.95: Models::OnInit - Available Texture Memory 4095 MB
4.95: DrawRecorder::Init - Scenery Shadow Map Size: 8192
4.95: DrawRecorder::Init - Terrain Shadow Map Size: 2048
4.95: DrawRecorder::Init - Available Texture Memory 4095 MB
4.95: DrawRecorder::StartCompileShaders
4.95: CompileShaders - Starting.
4.95: EffectBase::LoadTerrainState - Season: Summer
4.96: SeaWater::CompileShaders - Sea: Calm
5.02: EffectBase::CreateEffect - Loading: Texture.fx
5.04: TextureManager::Init - Loading TextureMagic.ini
5.13: CompileShaders - Finished.
9.49: DrawRecorder::LoadShaders - Available Texture Memory 4095 MB
9.49: EffectBase::CreateEffect - Loading: Generic.fx
9.52: EffectBase::CreateEffect - Loading: GroundShadow.fx
9.52: SeaWater::LoadShaders - Sea: Calm
9.52: EffectBase::CreateEffect - Loading: SeaWater.fx
9.55: EffectBase::CreateEffect - Loading: Scenery.fx
9.59: EffectBase::CreateEffect - Loading: Terrain.fx
9.66: EffectBase::CreateEffect - Loading: Clouds.fx
9.66: EffectBase::CreateEffect - Loading: Skybox.fx
9.66: EffectBase::CreateEffect - Loading: Models.fx
9.69: EffectBase::CreateEffect - Loading: RenderShadows.fx
9.71: DrawCalls buffer resized to 1024
9.71: GeometryBuffer::PopulateBuffers - Resize Vertex Buffer FVF = 0x1C4, Size = 32768
9.73: DrawRecorder::LogStats - T:38.0 (19.6 0) MD:0 (0.00) SC:0 TE:0 CL:0 (0;0) SP:0 SH:0 UI:1 Oth:0 LT:0
13.06: GeometryBuffer::PopulateBuffers - Resize Vertex Buffer FVF = 0x142, Size = 524288
13.06: GeometryBuffer::PopulateBuffers - Resize Index Buffer FVF = 0x142, Size = 16384
22.59: WaterBuffer::AddIndexed - Realloc Vertex Capacity: 16384
22.59: WaterBuffer::AddIndexed - Realloc Index Capacity: 16384
22.59: ModelDrawData buffer resized to 512
23.01: ModelDrawData buffer resized to 1024
23.04: DrawRecorder::LockLabelTexture - Creating Label Texture 0, Format = 21
23.27: SeaWater::SetupNormals - Creating Water Normal Map #1
23.27: WaterBuffer::PopulateBuffers - Water Vertex Buffer, Capacity = 16384
23.28: WaterBuffer::PopulateBuffers - Water Index Buffer, Capacity = 16384
23.60: GeometryBuffer::PopulateBuffers - Resize Vertex Buffer FVF = 0x144, Size = 32768
24.08: SeaWater::SetupNormals - Creating Water Normal Map #2
24.57: SeaWater::SetupNormals - Creating Water Normal Map #3
24.80: SeaWater::SetupNormals - Creating Water Normal Map #4
24.92: SeaWater::SetupNormals - Creating Water Normal Map #5
25.48: GeometryBuffer::PopulateBuffers - Resize Vertex Buffer FVF = 0x242, Size = 32768
25.48: GeometryBuffer::PopulateBuffers - Resize Index Buffer FVF = 0x242, Size = 16384
26.99: Clouds buffer resized to 512
27.60: DrawCalls buffer resized to 2048
28.54: ModelDrawData buffer resized to 1536
28.61: GeometryBuffer::PopulateBuffers - Resize Vertex Buffer FVF = 0x102, Size = 32768
28.61: GeometryBuffer::PopulateBuffers - Resize Index Buffer FVF = 0x102, Size = 16384
33.88: SeaWater::SetupNormals - Creating Water Normal Map #6
34.00: SeaWater::SetupNormals - Creating Water Normal Map #7
34.13: SeaWater::SetupNormals - Creating Water Normal Map #8
34.25: SeaWater::SetupNormals - Creating Water Normal Map #9
34.38: SeaWater::SetupNormals - Creating Water Normal Map #10
34.51: SeaWater::SetupNormals - Creating Water Normal Map #11
34.63: SeaWater::SetupNormals - Creating Water Normal Map #12
34.75: SeaWater::SetupNormals - Creating Water Normal Map #13
35.13: SeaWater::SetupNormals - Creating Water Normal Map #14
35.25: SeaWater::SetupNormals - Creating Water Normal Map #15
35.38: SeaWater::SetupNormals - Creating Water Normal Map #16
42.51: DrawRecorder::LogStats - T:10.3 (3.8 4733) MD:588 (2.92) SC:27 TE:25 CL:161 (27;1078) SP:12 SH:0 UI:157 Oth:12 LT:0
55.10: ModelDrawData buffer resized to 2048
55.10: DrawCalls buffer resized to 3072
55.33: GeometryBuffer::PopulateBuffers - Resize Index Buffer FVF = 0x142, Size = 32768
75.29: DrawRecorder::LogStats - T:10.0 (3.7 5649) MD:589 (2.92) SC:23 TE:21 CL:196 (27;1181) SP:4 SH:0 UI:155 Oth:1 LT:0
105.98: GeometryBuffer::PopulateBuffers - Resize Index Buffer FVF = 0x142, Size = 65536
108.08: DrawRecorder::LogStats - T:19.4 (9.1 20423) MD:1603 (2.42) SC:48 TE:36 CL:287 (27;1231) SP:118 SH:0 UI:174 Oth:12 LT:1
108.37: GeometryBuffer::PopulateBuffers - Resize Vertex Buffer FVF = 0x1C4, Size = 65536
130.06: DrawCalls buffer resized to 4096
130.78: GeometryBuffer::PopulateBuffers - Resize Vertex Buffer FVF = 0x142, Size = 1048576
140.87: DrawRecorder::LogStats - T:13.0 (5.4 7340) MD:961 (2.58) SC:23 TE:19 CL:188 (27;1291) SP:42 SH:0 UI:165 Oth:1 LT:0
173.69: DrawRecorder::LogStats - T:18.3 (6.1 763) MD:927 (2.60) SC:38 TE:36 CL:293 (27;1303) SP:509 SH:0 UI:177 Oth:1 LT:3
206.48: DrawRecorder::LogStats - T:12.9 (4.6 3439) MD:744 (2.96) SC:30 TE:30 CL:244 (27;1297) SP:99 SH:0 UI:163 Oth:1 LT:8