Details
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Bug
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Resolution: Out of scope
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P2: Important
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None
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5.4.2, 5.5.1
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None
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Qt Creator 3.6.0
OS: Windows 7 SP1 with updates upto 11.2014
CPU: Intel Core i7-4810MQ
GPU: Nvidia Quadro K2100M
Notebook Dell Precision M4800
Description
My normal operating mode of display is 16 bit color mode. With any combination of drivers versions (Intel, Nvidia), with turned on or off switchable graphics (Nvidia Optimus) in this mode Qt Creator's Welcome screen is black and qtdiag reports the following (switchable graphics is on):
Screens: 1
- 0 "\\.\DISPLAY1" Depth: 16 Primary: yes
Geometry: 1920x1080+0+0 Available: 1852x1080+0+0
Physical size: 677x381 mm Refresh: 60 Hz
Physical DPI: 72.0355,72 Logical DPI: 120,120
DevicePixelRatio: 1 Primary orientation: 2
Orientation: 2 Native orientation: 0 OrientationUpdateMask: 0
Dynamic GL LibGL Vendor: Microsoft Corporation
Renderer: GDI Generic
Version: 1.1.0
Shading language:
Format: Version: 1.1 Profile: 0 Swap behavior: 2 Buffer size (RGBA): 5,6,5,8 Depth buffer: 32 Stencil buffer: 8
GPU:
Card name: NVIDIA Quadro K2100M
Driver Name: nvumdshim.dll
Driver Version: 10.18.13.5382
Vendor ID: 0x10DE
Device ID: 0x11FC
SubSys ID: 0x15CC1028
Revision ID: 0x00A1
For 32 bit mode all is ok, Welcome screen works ok, qtdiag reports the following (switchable graphics is on):
Screens: 1
- 0 "\\.\DISPLAY1" Depth: 32 Primary: yes
Geometry: 1920x1080+0+0 Available: 1852x1080+0+0
Physical size: 677x381 mm Refresh: 60 Hz
Physical DPI: 72.0355,72 Logical DPI: 120,120
DevicePixelRatio: 1 Primary orientation: 2
Orientation: 2 Native orientation: 0 OrientationUpdateMask: 0
Dynamic GL LibGL Vendor: NVIDIA Corporation
Renderer: Quadro K2100M/PCIe/SSE2
Version: 4.5.0 NVIDIA 353.82
Shading language: 4.50 NVIDIA
Format: Version: 4.5 Profile: 2 Swap behavior: 2 Buffer size (RGBA): 8,8,8,8 Depth buffer: 24 Stencil buffer: 8
GPU:
Card name: NVIDIA Quadro K2100M
Driver Name: nvumdshim.dll
Driver Version: 10.18.13.5382
Vendor ID: 0x10DE
Device ID: 0x11FC
SubSys ID: 0x15CC1028
Revision ID: 0x00A1
GpuTest (http://www.geeks3d.com/gputest/) works good in all modes with all tests (OpenGL 2.1-4.0), it shows Nvidia hardware in title. And I can see 16 bit colors by color rungs on test screen.