[Bug 44808] New: Regression in 3.4: Graphics show as garbage with multisampled textures enabled in The Witness

https://bugs.winehq.org/show_bug.cgi?id=44808

Bug ID: 44808
           Summary: Regression in 3.4: Graphics show as garbage with
                    multisampled textures enabled in The Witness
           Product: Wine
           Version: 3.4
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: major
          Priority: P2
         Component: -unknown
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

In the game The Witness, multisampling must be enabled in order for objects
with transparent areas, such as trees and plants, to render correctly. These
are an important aspect of the game.

Wine version 3.3, it's possible to play The Witness at full graphics quality,
as long as the 64-bit version of the game is used with the 64-bit Wine, and
multisampling is enabled.

However, in Wine version 3.4, all in-game graphics show as garbage data when
running The Witness with multisampling enabled.

Somehow, the ability to display multisampled textures correctly has disappeared
between versions 3.3 and 3.4.

This observation was made on a mobile graphics card bought in 2012, using the
open source AMD driver.