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authormarha <marha@users.sourceforge.net>2010-11-22 19:42:40 +0000
committermarha <marha@users.sourceforge.net>2010-11-22 19:42:40 +0000
commit85ef9930f56bf15181f9a0b238f03d55303cf411 (patch)
tree63b43286956ebd1c35c96e9b3d5305aabdf71a0f /mesalib/src/glsl/ir_rvalue_visitor.cpp
parent94810d19989336862251dbf69c3f3acb18a9b06d (diff)
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Updated to mesalib 7.9
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diff --git a/mesalib/src/glsl/ir_rvalue_visitor.cpp b/mesalib/src/glsl/ir_rvalue_visitor.cpp
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+/*
+ * Copyright © 2010 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file ir_rvalue_visitor.cpp
+ *
+ * Generic class to implement the common pattern we have of wanting to
+ * visit each ir_rvalue * and possibly change that node to a different
+ * class.
+ */
+
+#include "ir.h"
+#include "ir_visitor.h"
+#include "ir_rvalue_visitor.h"
+#include "ir_print_visitor.h"
+#include "glsl_types.h"
+
+ir_visitor_status
+ir_rvalue_visitor::visit_leave(ir_expression *ir)
+{
+ unsigned int operand;
+
+ for (operand = 0; operand < ir->get_num_operands(); operand++) {
+ handle_rvalue(&ir->operands[operand]);
+ }
+
+ return visit_continue;
+}
+
+ir_visitor_status
+ir_rvalue_visitor::visit_leave(ir_texture *ir)
+{
+ handle_rvalue(&ir->coordinate);
+ handle_rvalue(&ir->projector);
+ handle_rvalue(&ir->shadow_comparitor);
+
+ switch (ir->op) {
+ case ir_tex:
+ break;
+ case ir_txb:
+ handle_rvalue(&ir->lod_info.bias);
+ break;
+ case ir_txf:
+ case ir_txl:
+ handle_rvalue(&ir->lod_info.lod);
+ break;
+ case ir_txd:
+ handle_rvalue(&ir->lod_info.grad.dPdx);
+ handle_rvalue(&ir->lod_info.grad.dPdy);
+ break;
+ }
+
+ return visit_continue;
+}
+
+ir_visitor_status
+ir_rvalue_visitor::visit_leave(ir_swizzle *ir)
+{
+ handle_rvalue(&ir->val);
+ return visit_continue;
+}
+
+ir_visitor_status
+ir_rvalue_visitor::visit_leave(ir_dereference_array *ir)
+{
+ /* The array index is not the target of the assignment, so clear the
+ * 'in_assignee' flag. Restore it after returning from the array index.
+ */
+ const bool was_in_assignee = this->in_assignee;
+ this->in_assignee = false;
+ handle_rvalue(&ir->array_index);
+ this->in_assignee = was_in_assignee;
+
+ handle_rvalue(&ir->array);
+ return visit_continue;
+}
+
+ir_visitor_status
+ir_rvalue_visitor::visit_leave(ir_dereference_record *ir)
+{
+ handle_rvalue(&ir->record);
+ return visit_continue;
+}
+
+ir_visitor_status
+ir_rvalue_visitor::visit_leave(ir_assignment *ir)
+{
+ handle_rvalue(&ir->rhs);
+ handle_rvalue(&ir->condition);
+
+ return visit_continue;
+}
+
+ir_visitor_status
+ir_rvalue_visitor::visit_leave(ir_call *ir)
+{
+ foreach_iter(exec_list_iterator, iter, *ir) {
+ ir_rvalue *param = (ir_rvalue *)iter.get();
+ ir_rvalue *new_param = param;
+ handle_rvalue(&new_param);
+
+ if (new_param != param) {
+ param->replace_with(new_param);
+ }
+ }
+ return visit_continue;
+}
+
+ir_visitor_status
+ir_rvalue_visitor::visit_leave(ir_return *ir)
+{
+ handle_rvalue(&ir->value);;
+ return visit_continue;
+}
+
+ir_visitor_status
+ir_rvalue_visitor::visit_leave(ir_if *ir)
+{
+ handle_rvalue(&ir->condition);
+ return visit_continue;
+}