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zink: correct depth-stencil format

Erik Faye-Lund requested to merge kusma/mesa:zink-correct-depth-stencil-format into master

When using packed vulkan-formats on little-endian systems, we need to swap the components for the gallium formats. And since Zink isn't big-endian safe yet, little-endian is the only endianess we care about right now.

This fixes a bunch of piglit tests, amongs others:

  • spec@arb_depth_texture@depth-level-clamp
  • spec@arb_depth_texture@depthstencil-render-miplevels * d=z24
  • spec@arb_depth_texture@fbo-depth-gl_depth_component24-blit
  • spec@arb_depth_texture@fbo-depth-gl_depth_component24-copypixels
  • spec@arb_depth_texture@fbo-depth-gl_depth_component24-drawpixels
  • spec@arb_depth_texture@fbo-depth-gl_depth_component24-readpixels

Signed-off-by: Erik Faye-Lund erik.faye-lund@collabora.com Fixes: 8d46e35d ("zink: introduce opengl over vulkan")

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