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authorJordan Justen <jordan.l.justen@intel.com>2013-06-17 14:05:21 -0700
committerJordan Justen <jordan.l.justen@intel.com>2013-06-18 14:06:46 -0700
commitadeda5afd428e2e4a2c0ef0b6367956d94c4d054 (patch)
tree471ed8265ac1797eeb5d5608627c346fa396c816 /src/egl
parent248fddecd8e813b9cb0c98327ab4cd3c836f7398 (diff)
gen7: fix GPU hang on WebGL texture-size test
When rendering to a texture with BaseLevel set, the miptree may be laid out such that BaseLevel is in level 0 of the miptree (to avoid wasting memory on unused levels between 0 and BaseLevel-1). In that case, we have to shift our render target's level down to the appropriate level of the smaller miptree. The WebGL test in combination with a meta code relating to glGenerateMipmap also triggered a similar failure scenario. This GPU hang regression was introduced by c754f7a8. Bugzilla: http://bugs.freedesktop.org/show_bug.cgi?id=65324 Signed-off-by: Jordan Justen <jordan.l.justen@intel.com> Reviewed-by: Eric Anholt <eric@anholt.net> Reviewed-by: Paul Berry <stereotype441@gmail.com>
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