[Bug 43275] New: Sacred Gold v2.28 (GOG.com): invisible characters

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=43275

            Bug ID: 43275
           Summary: Sacred Gold v2.28 (GOG.com): invisible characters
           Product: Wine
           Version: 2.6
          Hardware: x86
               URL: https://www.gog.com/game/sacred_gold
                OS: Linux
            Status: NEW
          Keywords: regression
          Severity: normal
          Priority: P2
         Component: directx-d3d
          Assignee: wine-bugs at winehq.org
          Reporter: gyebro69 at gmail.com
                CC: hverbeet at gmail.com
   Regression SHA1: b98ece0d38ca3ec401370ccf95eb08946533850c
      Distribution: ---

Created attachment 58611
  --> https://bugs.winehq.org/attachment.cgi?id=58611
plain terminal output

This was tested with Sacred Gold from GOG.com. I tried the original demo but it
doesn't have the bug: the demo runs in 16-bit color mode whereas the problem
occurs only in 32-bit color mode.
I reproduced the problem with Nvidia binary drivers 381.22 and with
nouveau/mesa 17.1.4, too.

The problem: in-game characters are invisible.

Regression introduced by

commit b98ece0d38ca3ec401370ccf95eb08946533850c
Author: Henri Verbeet <hverbeet at codeweavers.com>
Date:   Tue Apr 4 09:07:47 2017 +0200

    wined3d: Use the blitter interface in wined3d_cs_exec_clear().

Characters are visible with the previous commit.
In the game configuration tool if I uncheck the 32 bit Color Depth option, the
problem doesn't occur.

wine-2.11-150-g287be7c5ee
OpenGL vendor string: NVIDIA Corporation
OpenGL renderer string: GeForce GT 730/PCIe/SSE2
OpenGL core profile version string: 4.5.0 NVIDIA 381.22

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