From: Dave Airlie <airl...@redhat.com>
This adds a ir_variable which contains the subroutine uniform
and an array rvalue for the deref of that uniform, these
are stored in the ir_call and lowered later.
Signed-off-by: Dave Airlie <airl...@redhat.com>
---
src/glsl/ir.h | 21 ++++++++++++++++++++-
1 file changed, 20 insertions(+), 1 deletion(-)
diff --git a/src/glsl/ir.h b/src/glsl/ir.h
index b5a9e99..691c8b6 100644
--- a/src/glsl/ir.h
+++ b/src/glsl/ir.h
@@ -1708,7 +1708,18 @@ public:
ir_call(ir_function_signature *callee,
ir_dereference_variable *return_deref,
exec_list *actual_parameters)
- : ir_instruction(ir_type_call), return_deref(return_deref),
callee(callee)
+ : ir_instruction(ir_type_call), return_deref(return_deref),
callee(callee), sub_var(NULL), array_idx(NULL)
+ {
+ assert(callee->return_type != NULL);
+ actual_parameters->move_nodes_to(& this->actual_parameters);
+ this->use_builtin = callee->is_builtin();
+ }
+
+ ir_call(ir_function_signature *callee,
+ ir_dereference_variable *return_deref,
+ exec_list *actual_parameters,
+ ir_variable *var, ir_rvalue *array_idx)
+ : ir_instruction(ir_type_call), return_deref(return_deref),
callee(callee), sub_var(var), array_idx(array_idx)
{
assert(callee->return_type != NULL);
actual_parameters->move_nodes_to(& this->actual_parameters);
@@ -1756,6 +1767,14 @@ public:
/** Should this call only bind to a built-in function? */
bool use_builtin;
+
+ /*
+ * ARB_shader_subroutine support -
+ * the subroutine uniform variable and array index
+ * rvalue to be used in the lowering pass later.
+ */
+ ir_variable *sub_var;
+ ir_rvalue *array_idx;
};
--
2.4.3
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