[Development] Regression in Qt 5.12 with MinGW 7.3 on Windows 10 (Angle rendering backend)

[Oliver Wolff]

Hi,

On 10/12/2018 09:45, Dmitry Kazakov wrote:
> Hi, all!
> 
> It looks like there is a regression in Qt 5.12, specifically in Angle 
> rendering backend. For some reason HLSL compiler searching code patch 
> has been dropped between Qt 5.11.3 and Qt 5.12.0, so now it cannot find 
> the compiler (MinGW 7.3 still suggests to use d3dcompiler_43.dll, while 
> modern Windows 10 systems have d3dcompiler_47.dll only).
> 
> Here is the link to the patch that fixes the problem in Qt 5.12.0 branch:
> https://github.com/dimula73/qtbase/commit/e6e0d33e97704b8b63ecec41ffeb113fd9cdb7f9
> 
> The plain-text file is attached.

I was also made aware of this issue this morning and created 
https://codereview.qt-project.org/#/c/247734/

Olli

> 
> PS:
> I haven't found the code for automatic application for the patches from 
> src/angle/patches folder, so I just applied that manually and put the 
> old patch into the folder. Please correct me if my understanding is wrong.
> 
> -- 
> Dmitry Kazakov
> 
> 
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