[Bug 52625] New: Vertex texture fetch advertised on R300-R500 class AMD hardware

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=52625

            Bug ID: 52625
           Summary: Vertex texture fetch advertised on R300-R500 class AMD
                    hardware
           Product: Wine
           Version: 7.0
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: directx-d3d
          Assignee: wine-bugs at winehq.org
          Reporter: pavel.ondracka at gmail.com
                CC: stefan at codeweavers.com
      Distribution: ---

I'm not 100% sure if this is an app bug, or if wine messes something up, but
Unigine sanctuary reports:

Found optional Vertex texture fetch

and later fails badly, see
https://gitlab.freedesktop.org/mesa/mesa/-/issues/6053 

This is with mesa r300 driver (latest git). None of the R300-R500 cards have
vertex texture support and as far as I can see mesa correctly reports
GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS = 0

BTW Anno1404 under nine also produces TXL opcodes in vertex shaders, but there
is might be also gallium-nine problem. The Sanctuary is with pure Wine.

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