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-rw-r--r--src/glsl/ast.h6
-rw-r--r--src/glsl/ast_to_hir.cpp3
2 files changed, 8 insertions, 1 deletions
diff --git a/src/glsl/ast.h b/src/glsl/ast.h
index 57d432d4b02..e803e6d7675 100644
--- a/src/glsl/ast.h
+++ b/src/glsl/ast.h
@@ -336,6 +336,12 @@ public:
array_dimensions.push_tail(&dim->link);
}
+ const bool is_single_dimension()
+ {
+ return this->array_dimensions.tail_pred->prev != NULL &&
+ this->array_dimensions.tail_pred->prev->is_head_sentinel();
+ }
+
virtual void print(void) const;
/* This list contains objects of type ast_node containing the
diff --git a/src/glsl/ast_to_hir.cpp b/src/glsl/ast_to_hir.cpp
index 7b54eaf4390..db617cb41ac 100644
--- a/src/glsl/ast_to_hir.cpp
+++ b/src/glsl/ast_to_hir.cpp
@@ -6335,7 +6335,8 @@ ast_interface_block::hir(exec_list *instructions,
_mesa_shader_stage_to_string(state->stage));
}
if (this->instance_name == NULL ||
- strcmp(this->instance_name, "gl_in") != 0 || this->array_specifier == NULL) {
+ strcmp(this->instance_name, "gl_in") != 0 || this->array_specifier == NULL ||
+ !this->array_specifier->is_single_dimension()) {
_mesa_glsl_error(&loc, state,
"gl_PerVertex input must be redeclared as "
"gl_in[]");