Details
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Bug
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Resolution: Out of scope
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P3: Somewhat important
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None
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5.12.2, 5.13.2, 5.14.2, 5.15.0
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None
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Windows 10 Pro
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Windows
Description
Creating a transparent window for QML applications results in a black window on NVIDIA GPUs. QWidget works as expected and results in a transparent window.
As far as I've seen, this doesn't happen on ATI GPU or Intel graphics.
There's related issues about this but none of them provided a work around or sufficient information about why the bug is happening.
Here's the related bug: QTBUG-28214
And that one also links to other related tickets.
Here's the system information:
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System Information
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Operating System: Windows 10 Pro 64-bit (10.0, Build 18362) (18362.19h1_release.190318-1202)
Language: English (Regional Setting: English)
System Manufacturer: ASUSTeK COMPUTER INC.
System Model: N550JX
BIOS: N550JX.205 (type: UEFI)
Processor: Intel(R) Core(TM) i7-4720HQ CPU @ 2.60GHz (8 CPUs), ~2.6GHz
Memory: 8192MB RAM
Available OS Memory: 7634MB RAM
Page File: 8892MB used, 1953MB available
DirectX Version: DirectX 12
User DPI Setting: 96 DPI (100 percent)
System DPI Setting: 120 DPI (125 percent)
DWM DPI Scaling: Disabled
Miracast: Available, with HDCP
Microsoft Graphics Hybrid: Supported
DirectX Database Version: 1.1.5
DxDiag Version: 10.00.18362.0387 64bit Unicode---------------
Display Devices
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Card name: Intel(R) HD Graphics 4600
Manufacturer: Intel Corporation
Chip type: Intel(R) HD Graphics Family
DAC type: Internal
Device Type: Full Device (POST)
Device Key: Enum\PCI\VEN_8086&DEV_0416&SUBSYS_11CD1043&REV_06
Device Status: 0180200A [DN_DRIVER_LOADED|DN_STARTED|DN_DISABLEABLE|DN_NT_ENUMERATOR|DN_NT_DRIVER]
Device Problem Code: No Problem
Driver Problem Code: Unknown
Display Memory: 2160 MB
Dedicated Memory: 112 MB
Shared Memory: 2048 MB
Current Mode: 2560 x 1080 (32 bit) (59Hz)
HDR Support: Not Supported
Display Topology: External
Display Color Space: DXGI_COLOR_SPACE_RGB_FULL_G22_NONE_P709
Color Primaries: Red(0.651367,0.332031), Green(0.306641,0.630859), Blue(0.150391,0.059570), White Point(0.313477,0.329102)
Display Luminance: Min Luminance = 0.500000, Max Luminance = 270.000000, MaxFullFrameLuminance = 270.000000
Monitor Name: LG ULTRAWIDE(HDMI)
Monitor Model: LG ULTRAWIDE
Monitor Id: GSM59F1
Native Mode: 2560 x 1080(p) (60.000Hz)
Output Type: HDMI
Monitor Capabilities: HDR Not Supported
Display Pixel Format: DISPLAYCONFIG_PIXELFORMAT_32BPP
Advanced Color: Not Supported
Driver Name: igdumdim64.dll,igd10iumd64.dll,igd10iumd64.dll,igd12umd64.dll
Driver File Version: 20.19.0015.4549 (English)
Driver Version: 20.19.15.4549
DDI Version: 12
Feature Levels: 11_1,11_0,10_1,10_0,9_3,9_2,9_1
Driver Model: WDDM 2.0
Graphics Preemption: Primitive
Compute Preemption: Thread group
Miracast: Supported
Detachable GPU: No
Hybrid Graphics GPU: Integrated
Power P-states: Not Supported
Virtualization: Not Supported
Block List: No Blocks
Catalog Attributes: N/A
Driver Attributes: Final Retail
Driver Date/Size: 09/11/2016 8:00:00 PM, 39863888 bytes
WHQL Logo'd: Yes
WHQL Date Stamp: Unknown
Device Identifier: {D7B78E66-4756-11CF-3662-C231BAC2D935}
Vendor ID: 0x8086
Device ID: 0x0416
SubSys ID: 0x11CD1043
Revision ID: 0x0006
Driver Strong Name: oem40.inf:5f63e534dd929195:iHSWM_w10:20.19.15.4549:pci\ven_8086&dev_0416&subsys_11cd1043
Rank Of Driver: 00D10001
Video Accel: ModeMPEG2_A ModeMPEG2_C ModeWMV9_C ModeVC1_C
D3D9 Overlay: Supported
DXVA-HD: Supported
DDraw Status: Enabled
D3D Status: Enabled
AGP Status: Enabled
MPO MaxPlanes: 1
MPO Caps: Not Supported
MPO Stretch: Not Supported
MPO Media Hints: Not Supported
MPO Formats: Not Supported
PanelFitter Caps: Not Supported
PanelFitter Stretch: Not Supported Card name: NVIDIA GeForce GTX 950M
Manufacturer: NVIDIA
Chip type: GeForce GTX 950M
DAC type: Integrated RAMDAC
Device Type: Render-Only Device
Device Status: 0180200A [DN_DRIVER_LOADED|DN_STARTED|DN_DISABLEABLE|DN_NT_ENUMERATOR|DN_NT_DRIVER]
Device Problem Code: No Problem
Driver Problem Code: Unknown
Display Memory: 7882 MB
Dedicated Memory: 4065 MB
Shared Memory: 3816 MB
Current Mode: Unknown
HDR Support: Unknown
Display Topology: Unknown
Display Color Space: Unknown
Color Primaries: Unknown
Display Luminance: Unknown
Driver File Version: 23.21.0013.8857 (English)
Driver Version: 23.21.13.8857
DDI Version: 12
Feature Levels: 11_0,10_1,10_0,9_3,9_2,9_1
Driver Model: WDDM 2.3
Graphics Preemption: DMA
Compute Preemption: DMA
Miracast: Not Supported by Graphics driver
Detachable GPU: No
Hybrid Graphics GPU: Discrete
Power P-states: Not Supported
Virtualization: Not Supported
Block List: No Blocks
Catalog Attributes: Universal:N/A Declarative:N/A
Driver Attributes: Final Retail
Driver Date/Size: 03/12/2017 8:00:00 PM, 945368 bytes
WHQL Logo'd: Yes
WHQL Date Stamp: Unknown
Device Identifier: Unknown
Vendor ID: 0x10DE
Device ID: 0x139A
SubSys ID: 0x11CD1043
Revision ID: 0x00A2
Driver Strong Name: oem31.inf:0f066de31bfecfc6:Section142:23.21.13.8857:pci\ven_10de&dev_139a&subsys_11cd1043
Rank Of Driver: 00D10001
Video Accel: Unknown
DXVA2 Modes: DXVA2_ModeMPEG2_VLD DXVA2_ModeVC1_D2010 DXVA2_ModeVC1_VLD DXVA2_ModeH264_VLD_Stereo_Progressive_NoFGT DXVA2_ModeH264_VLD_Stereo_NoFGT DXVA2_ModeH264_VLD_NoFGT DXVA2_ModeHEVC_VLD_Main DXVA2_ModeMPEG4pt2_VLD_Simple DXVA2_ModeMPEG4pt2_VLD_AdvSimple_NoGMC
Deinterlace Caps: n/a
D3D9 Overlay: Unknown
DXVA-HD: Unknown
DDraw Status: Enabled
D3D Status: Enabled
AGP Status: Enabled
MPO MaxPlanes: 0
MPO Caps: Not Supported
MPO Stretch: Not Supported
MPO Media Hints: Not Supported
MPO Formats: Not Supported
PanelFitter Caps: Not Supported
PanelFitter Stretch: Not Supported
EDIT: The problem occurs with the following configuration as well:
3D Device Vendor : NVIDIA Corporation Video Processor 1 : Intel(R) UHD Graphics Family Video Processor 2 : Quadro P2000 with Max-Q Design Video Memory : 1023 MB Video Driver File Version : 26.20.100.7529OpenGL Support OpenGL Version : 4.6.0 NVIDIA 432.13 OpenGL 2.0 - Supported OpenGL Shader Objects - Supported OpenGL Vertex Shader - Supported OpenGL Fragment Shader - Supported OpenGL Vertex Buffer Objects - Supported OpenGL Frame Buffer Objects - Supported
