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path: root/src/glsl/lower_output_reads.cpp
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-rw-r--r--src/glsl/lower_output_reads.cpp13
1 files changed, 12 insertions, 1 deletions
diff --git a/src/glsl/lower_output_reads.cpp b/src/glsl/lower_output_reads.cpp
index b93e254ec9b..5ba9720d0dc 100644
--- a/src/glsl/lower_output_reads.cpp
+++ b/src/glsl/lower_output_reads.cpp
@@ -50,6 +50,7 @@ public:
output_read_remover();
~output_read_remover();
virtual ir_visitor_status visit(class ir_dereference_variable *);
+ virtual ir_visitor_status visit(class ir_emit_vertex *);
virtual ir_visitor_status visit_leave(class ir_return *);
virtual ir_visitor_status visit_leave(class ir_function_signature *);
};
@@ -117,7 +118,9 @@ copy(void *ctx, ir_variable *output, ir_variable *temp)
return new(ctx) ir_assignment(lhs, rhs);
}
-/** Insert a copy-back assignment before a "return" statement */
+/** Insert a copy-back assignment before a "return" statement or a call to
+ * EmitVertex().
+ */
static void
emit_return_copy(const void *key, void *data, void *closure)
{
@@ -141,6 +144,14 @@ output_read_remover::visit_leave(ir_return *ir)
}
ir_visitor_status
+output_read_remover::visit(ir_emit_vertex *ir)
+{
+ hash_table_call_foreach(replacements, emit_return_copy, ir);
+ hash_table_clear(replacements);
+ return visit_continue;
+}
+
+ir_visitor_status
output_read_remover::visit_leave(ir_function_signature *sig)
{
if (strcmp(sig->function_name(), "main") != 0)