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glsl/distance: make sure we use clip dist varying slot for lowered var.

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When lowering, we always want to use the clip dist varying.

Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
Cc: "12.0" <mesa-stable@lists.freedesktop.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2016-05-25 06:03:24 +10:00
parent c7877b9dab
commit 8d4f4adfbd
1 changed files with 1 additions and 0 deletions
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src/compiler/glsl/lower_distance.cpp
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@ -168,6 +168,7 @@ lower_distance_visitor::visit(ir_variable *ir)
*new_var = ir->clone(ralloc_parent(ir), NULL);
(*new_var)->name = ralloc_strdup(*new_var, GLSL_CLIP_VAR_NAME);
(*new_var)->data.max_array_access = new_size - 1;
(*new_var)->data.location = VARYING_SLOT_CLIP_DIST0;
if (!ir->type->fields.array->is_array()) {
/* gl_ClipDistance (used for vertex, tessellation evaluation and