libX11 libXinerama mesa git update 1 Feb 2011

1 files changed, 157 insertions, 157 deletions

diff --git a/mesalib/src/glsl/lower_vec_index_to_swizzle.cpp b/mesalib/src/glsl/lower_vec_index_to_swizzle.cpp
index e0d641549..c7630c28a 100644
--- a/mesalib/src/glsl/lower_vec_index_to_swizzle.cpp
+++ b/mesalib/src/glsl/lower_vec_index_to_swizzle.cpp
@@ -1,157 +1,157 @@
-/*

- * 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 lower_vec_index_to_swizzle.cpp

- *

- * Turns constant indexing into vector types to swizzles.  This will

- * let other swizzle-aware optimization passes catch these constructs,

- * and codegen backends not have to worry about this case.

- */

-

-#include "ir.h"

-#include "ir_visitor.h"

-#include "ir_optimization.h"

-#include "glsl_types.h"

-

-/**

- * Visitor class for replacing expressions with ir_constant values.

- */

-

-class ir_vec_index_to_swizzle_visitor : public ir_hierarchical_visitor {

-public:

-   ir_vec_index_to_swizzle_visitor()

-   {

-      progress = false;

-   }

-

-   ir_rvalue *convert_vec_index_to_swizzle(ir_rvalue *val);

-

-   virtual ir_visitor_status visit_enter(ir_expression *);

-   virtual ir_visitor_status visit_enter(ir_swizzle *);

-   virtual ir_visitor_status visit_enter(ir_assignment *);

-   virtual ir_visitor_status visit_enter(ir_return *);

-   virtual ir_visitor_status visit_enter(ir_call *);

-   virtual ir_visitor_status visit_enter(ir_if *);

-

-   bool progress;

-};

-

-ir_rvalue *

-ir_vec_index_to_swizzle_visitor::convert_vec_index_to_swizzle(ir_rvalue *ir)

-{

-   ir_dereference_array *deref = ir->as_dereference_array();

-   ir_constant *ir_constant;

-

-   if (!deref)

-      return ir;

-

-   if (deref->array->type->is_matrix() || deref->array->type->is_array())

-      return ir;

-

-   assert(deref->array_index->type->base_type == GLSL_TYPE_INT);

-   ir_constant = deref->array_index->constant_expression_value();

-   if (!ir_constant)

-      return ir;

-

-   void *ctx = talloc_parent(ir);

-   this->progress = true;

-   return new(ctx) ir_swizzle(deref->array,

-			      ir_constant->value.i[0], 0, 0, 0, 1);

-}

-

-ir_visitor_status

-ir_vec_index_to_swizzle_visitor::visit_enter(ir_expression *ir)

-{

-   unsigned int i;

-

-   for (i = 0; i < ir->get_num_operands(); i++) {

-      ir->operands[i] = convert_vec_index_to_swizzle(ir->operands[i]);

-   }

-

-   return visit_continue;

-}

-

-ir_visitor_status

-ir_vec_index_to_swizzle_visitor::visit_enter(ir_swizzle *ir)

-{

-   /* Can't be hit from normal GLSL, since you can't swizzle a scalar (which

-    * the result of indexing a vector is.  But maybe at some point we'll end up

-    * using swizzling of scalars for vector construction.

-    */

-   ir->val = convert_vec_index_to_swizzle(ir->val);

-

-   return visit_continue;

-}

-

-ir_visitor_status

-ir_vec_index_to_swizzle_visitor::visit_enter(ir_assignment *ir)

-{

-   ir->set_lhs(convert_vec_index_to_swizzle(ir->lhs));

-   ir->rhs = convert_vec_index_to_swizzle(ir->rhs);

-

-   return visit_continue;

-}

-

-ir_visitor_status

-ir_vec_index_to_swizzle_visitor::visit_enter(ir_call *ir)

-{

-   foreach_iter(exec_list_iterator, iter, *ir) {

-      ir_rvalue *param = (ir_rvalue *)iter.get();

-      ir_rvalue *new_param = convert_vec_index_to_swizzle(param);

-

-      if (new_param != param) {

-	 param->replace_with(new_param);

-      }

-   }

-

-   return visit_continue;

-}

-

-ir_visitor_status

-ir_vec_index_to_swizzle_visitor::visit_enter(ir_return *ir)

-{

-   if (ir->value) {

-      ir->value = convert_vec_index_to_swizzle(ir->value);

-   }

-

-   return visit_continue;

-}

-

-ir_visitor_status

-ir_vec_index_to_swizzle_visitor::visit_enter(ir_if *ir)

-{

-   ir->condition = convert_vec_index_to_swizzle(ir->condition);

-

-   return visit_continue;

-}

-

-bool

-do_vec_index_to_swizzle(exec_list *instructions)

-{

-   ir_vec_index_to_swizzle_visitor v;

-

-   v.run(instructions);

-

-   return v.progress;

-}

+/*
+ * 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 lower_vec_index_to_swizzle.cpp
+ *
+ * Turns constant indexing into vector types to swizzles.  This will
+ * let other swizzle-aware optimization passes catch these constructs,
+ * and codegen backends not have to worry about this case.
+ */
+
+#include "ir.h"
+#include "ir_visitor.h"
+#include "ir_optimization.h"
+#include "glsl_types.h"
+
+/**
+ * Visitor class for replacing expressions with ir_constant values.
+ */
+
+class ir_vec_index_to_swizzle_visitor : public ir_hierarchical_visitor {
+public:
+   ir_vec_index_to_swizzle_visitor()
+   {
+      progress = false;
+   }
+
+   ir_rvalue *convert_vec_index_to_swizzle(ir_rvalue *val);
+
+   virtual ir_visitor_status visit_enter(ir_expression *);
+   virtual ir_visitor_status visit_enter(ir_swizzle *);
+   virtual ir_visitor_status visit_enter(ir_assignment *);
+   virtual ir_visitor_status visit_enter(ir_return *);
+   virtual ir_visitor_status visit_enter(ir_call *);
+   virtual ir_visitor_status visit_enter(ir_if *);
+
+   bool progress;
+};
+
+ir_rvalue *
+ir_vec_index_to_swizzle_visitor::convert_vec_index_to_swizzle(ir_rvalue *ir)
+{
+   ir_dereference_array *deref = ir->as_dereference_array();
+   ir_constant *ir_constant;
+
+   if (!deref)
+      return ir;
+
+   if (deref->array->type->is_matrix() || deref->array->type->is_array())
+      return ir;
+
+   assert(deref->array_index->type->base_type == GLSL_TYPE_INT);
+   ir_constant = deref->array_index->constant_expression_value();
+   if (!ir_constant)
+      return ir;
+
+   void *ctx = ralloc_parent(ir);
+   this->progress = true;
+   return new(ctx) ir_swizzle(deref->array,
+			      ir_constant->value.i[0], 0, 0, 0, 1);
+}
+
+ir_visitor_status
+ir_vec_index_to_swizzle_visitor::visit_enter(ir_expression *ir)
+{
+   unsigned int i;
+
+   for (i = 0; i < ir->get_num_operands(); i++) {
+      ir->operands[i] = convert_vec_index_to_swizzle(ir->operands[i]);
+   }
+
+   return visit_continue;
+}
+
+ir_visitor_status
+ir_vec_index_to_swizzle_visitor::visit_enter(ir_swizzle *ir)
+{
+   /* Can't be hit from normal GLSL, since you can't swizzle a scalar (which
+    * the result of indexing a vector is.  But maybe at some point we'll end up
+    * using swizzling of scalars for vector construction.
+    */
+   ir->val = convert_vec_index_to_swizzle(ir->val);
+
+   return visit_continue;
+}
+
+ir_visitor_status
+ir_vec_index_to_swizzle_visitor::visit_enter(ir_assignment *ir)
+{
+   ir->set_lhs(convert_vec_index_to_swizzle(ir->lhs));
+   ir->rhs = convert_vec_index_to_swizzle(ir->rhs);
+
+   return visit_continue;
+}
+
+ir_visitor_status
+ir_vec_index_to_swizzle_visitor::visit_enter(ir_call *ir)
+{
+   foreach_iter(exec_list_iterator, iter, *ir) {
+      ir_rvalue *param = (ir_rvalue *)iter.get();
+      ir_rvalue *new_param = convert_vec_index_to_swizzle(param);
+
+      if (new_param != param) {
+	 param->replace_with(new_param);
+      }
+   }
+
+   return visit_continue;
+}
+
+ir_visitor_status
+ir_vec_index_to_swizzle_visitor::visit_enter(ir_return *ir)
+{
+   if (ir->value) {
+      ir->value = convert_vec_index_to_swizzle(ir->value);
+   }
+
+   return visit_continue;
+}
+
+ir_visitor_status
+ir_vec_index_to_swizzle_visitor::visit_enter(ir_if *ir)
+{
+   ir->condition = convert_vec_index_to_swizzle(ir->condition);
+
+   return visit_continue;
+}
+
+bool
+do_vec_index_to_swizzle(exec_list *instructions)
+{
+   ir_vec_index_to_swizzle_visitor v;
+
+   v.run(instructions);
+
+   return v.progress;
+}