On 02/26/2013 12:39 PM, Eric Anholt wrote:
> I tried to make the presentation be the data that was originally
> probed -- there's a second readpixels that's unfortunately, but we do
^^^^^^
Is "that's" a typo?
> use separate textures so that any workaround relayouts of the probed
> textures don't get tweaked in the process of displaying.
This comment doesn't apply to all drivers, not even all Intel drivers,
so please qualify the comment.
> ---
> tests/texturing/depthstencil-render-miplevels.cpp | 105
> ++++++++++++++++++++-
> 1 file changed, 102 insertions(+), 3 deletions(-)
I applied your series on top of master and tested it on Sandybridge with
`depthstencil-render-miplevels 1024 d=z24`. The window doesn't do the app
says: "Colors should proceed from nearly-black to nearly-red". Is that
expected?
With PIGLIT_PLATFORM=x11_egl, the window is a solid dark red. With
PIGLIT_PLATFORM=glx,
the window content is garbage; it seems that swapbuffers doesn't happen (likely
a bug
in Piglit).
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