[Bug 100147] Sacha Willems' "Subpasses" Vulkan demo is rendered wrong (mostly black)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100147

            Bug ID: 100147
           Summary: Sacha Willems' "Subpasses" Vulkan demo is rendered
                    wrong (mostly black)
           Product: Mesa
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/i965
          Assignee: intel-3d-bugs at lists.freedesktop.org
          Reporter: eero.t.tamminen at intel.com
        QA Contact: intel-3d-bugs at lists.freedesktop.org

Created attachment 130154
  --> https://bugs.freedesktop.org/attachment.cgi?id=130154&action=edit
Screenshot of the issue

Test setup:
- HW: SKL GT4e
- OS: Ubuntu 16.04
- Vulkan API Version: 1.0.21
- Mesa git version: 655c395f65b

Test-case:
- Build Sacha Willems' Vulkan demos:
  https://github.com/SaschaWillems/Vulkan
- Run "subpasses" demo

Expected result:
- https://github.com/SaschaWillems/Vulkan/blob/master/screenshots/subpasses.jpg

Actual results:
- Most of the image is black, see the attachment

Notes:
- Vulkan validation layers don't report any errors for this demo
- Rest of Sascha's demos work fine, except for couple where validation layers
complain about missing features:
  https://github.com/SaschaWillems/Vulkan/issues/277
- According to demo ticket about this, the demo works on HSW and AMD & NVidia
GPUs:
  https://github.com/SaschaWillems/Vulkan/issues/295

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