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i965: Fix isoline reads in scalar TES.

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Isolines aren't reversed.  commit 5b2d8c2273 fixed this for the vec4
TES backend, but not the scalar one.

Found while debugging GL45-CTS.tessellation_shader.
tessellation_control_to_tessellation_evaluation.gl_tessLevel.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
Cc: mesa-stable@lists.freedesktop.org
This commit is contained in:
Kenneth Graunke 2016-05-31 21:00:43 -07:00
parent ed0e9862c5
commit 25e1b8d366
1 changed files with 1 additions and 1 deletions
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2
src/mesa/drivers/dri/i965/brw_fs_nir.cpp
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@ -2749,7 +2749,7 @@ fs_visitor::nir_emit_tes_intrinsic(const fs_builder &bld,
break;
case BRW_TESS_DOMAIN_ISOLINE:
for (unsigned i = 0; i < 2; i++)
bld.MOV(offset(dest, bld, i), component(fs_reg(ATTR, 0), 7 - i));
bld.MOV(offset(dest, bld, i), component(fs_reg(ATTR, 0), 6 + i));
break;
}
break;