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1 //
2 // Copyright (C) 2015-2016 Google, Inc.
3 //
4 // All rights reserved.
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7 // modification, are permitted provided that the following conditions
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9 //
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33 // POSSIBILITY OF SUCH DAMAGE.
34 
35 //
36 // Visit the nodes in the glslang intermediate tree representation to
37 // propagate 'noContraction' qualifier.
38 //
39 
40 #pragma once
41 
42 #include "../Include/intermediate.h"
43 
44 namespace glslang {
45 
46 // Propagates the 'precise' qualifier for objects (objects marked with
47 // 'noContraction' qualifier) from the shader source specified 'precise'
48 // variables to all the involved objects, and add 'noContraction' qualifier for
49 // the involved arithmetic operations.
50 // Note that the same qualifier: 'noContraction' is used in both object nodes
51 // and arithmetic operation nodes, but has different meaning. For object nodes,
52 // 'noContraction' means the object is 'precise'; and for arithmetic operation
53 // nodes, it means the operation should not be contracted.
54 void PropagateNoContraction(const glslang::TIntermediate& intermediate);
55 };
56