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authorSimon Hausmann <simon.hausmann@digia.com>2014-02-28 13:13:16 +0100
committerSimon Hausmann <simon.hausmann@digia.com>2014-02-28 13:14:15 +0100
commit846cc4c75cc06def67e831c8cb3c9edaef24f8f0 (patch)
treecf8cd76a5a610a6264583148b2c0549f7514dde3 /src/3rdparty/angle/src/compiler/translator/VariablePacker.h
parent9e4a215a2569a04010292c8718d0f0569bc06c12 (diff)
parent0d0fb04d505d105fb4b2fc71d68f729ce670b12e (diff)
Merge remote-tracking branch 'origin/stable' into dev
Conflicts: src/network/access/qhttpthreaddelegate.cpp Change-Id: Ia15372687c93cd585967b006c0baaac3a5f29e91
Diffstat (limited to 'src/3rdparty/angle/src/compiler/translator/VariablePacker.h')
-rw-r--r--src/3rdparty/angle/src/compiler/translator/VariablePacker.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/compiler/translator/VariablePacker.h b/src/3rdparty/angle/src/compiler/translator/VariablePacker.h
new file mode 100644
index 0000000000..fd6090827c
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+++ b/src/3rdparty/angle/src/compiler/translator/VariablePacker.h
@@ -0,0 +1,41 @@
+//
+// Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef _VARIABLEPACKER_INCLUDED_
+#define _VARIABLEPACKER_INCLUDED_
+
+#include <vector>
+#include "compiler/translator/ShHandle.h"
+
+class VariablePacker {
+ public:
+ // Returns true if the passed in variables pack in maxVectors following
+ // the packing rules from the GLSL 1.017 spec, Appendix A, section 7.
+ bool CheckVariablesWithinPackingLimits(
+ int maxVectors,
+ const TVariableInfoList& in_variables);
+
+ // Gets how many components in a row a data type takes.
+ static int GetNumComponentsPerRow(ShDataType type);
+
+ // Gets how many rows a data type takes.
+ static int GetNumRows(ShDataType type);
+
+ private:
+ static const int kNumColumns = 4;
+ static const unsigned kColumnMask = (1 << kNumColumns) - 1;
+
+ unsigned makeColumnFlags(int column, int numComponentsPerRow);
+ void fillColumns(int topRow, int numRows, int column, int numComponentsPerRow);
+ bool searchColumn(int column, int numRows, int* destRow, int* destSize);
+
+ int topNonFullRow_;
+ int bottomNonFullRow_;
+ int maxRows_;
+ std::vector<unsigned> rows_;
+};
+
+#endif // _VARIABLEPACKER_INCLUDED_