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glsl: fix gl_CullDistance lowering from float[8] to vec4[2]

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Fixes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/7152
Fixes: ad355652c2 ("glsl: Extend lowering pass for gl_ClipDistance to support other arrays")

Signed-off-by: Oleksii Bozhenko oleksii.bozhenko@globallogic.com

Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21810>
This commit is contained in:
Oleksii Bozhenko
2023-03-09 14:06:15 +02:00
committed by Marge Bot
parent ec31535ce0
commit bf910c94e0
2 changed files with 2 additions and 3 deletions
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4
src/compiler/glsl/gl_nir_link_varyings.c
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@@ -686,10 +686,8 @@ xfb_decl_find_candidate(struct xfb_decl *xfb_decl,
name = xfb_decl->var_name;
break;
case clip_distance:
name = "gl_ClipDistanceMESA";
break;
case cull_distance:
name = "gl_CullDistanceMESA";
name = "gl_ClipDistanceMESA";
break;
case tess_level_outer:
name = "gl_TessLevelOuterMESA";

1
src/compiler/glsl/lower_distance.cpp
View File

@@ -169,6 +169,7 @@ 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.location = VARYING_SLOT_CLIP_DIST0;
(*new_var)->data.assigned = true;
if (!ir->type->fields.array->is_array()) {
/* gl_ClipDistance (used for vertex, tessellation evaluation and