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  1. Aug 15, 2019
  2. Aug 08, 2019
  3. Aug 07, 2019
    • Gert Wollny's avatar
      vrend: Keep track op HW scissor state and disable them in vrend_clear · ac7b52cf
      Gert Wollny authored
      
      vrend_clear executes the Gallium clear command which is only called
      when the whole viewport is cleared. So far mesa was doing excessive checks
      on the scissors, thereby updating the scissors to framebuffer size when they
      were disabled, and the according state changes were transmitted to the host.
      With mesa/2037478 this was optimized away, so that not disabling the scissors
      in the clear command manifested itself as a regression in a number of tests.
      Keeping track of the scissor state in the hardware and disabling the scissors
      before the clear is executes, and re-enabling them according to the last state
      fixes this.
      
      Closes #116
      
      Signed-off-by: default avatarGert Wollny <gert.wollny@collabora.com>
      Reviewed-by: default avatarGurchetan Singh <gurchetansingh@chromium.org>
      ac7b52cf
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