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Diffstat (limited to 'src/3rdparty/angle/src/compiler/translator/ExtensionGLSL.h')
-rw-r--r-- | src/3rdparty/angle/src/compiler/translator/ExtensionGLSL.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/compiler/translator/ExtensionGLSL.h b/src/3rdparty/angle/src/compiler/translator/ExtensionGLSL.h new file mode 100644 index 0000000000..6bb84d612d --- /dev/null +++ b/src/3rdparty/angle/src/compiler/translator/ExtensionGLSL.h @@ -0,0 +1,39 @@ +// +// Copyright (c) 2015 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. +// +// ExtensionGLSL.h: Defines the TExtensionGLSL class that tracks GLSL extension requirements of +// shaders. + +#ifndef COMPILER_TRANSLATOR_EXTENSIONGLSL_H_ +#define COMPILER_TRANSLATOR_EXTENSIONGLSL_H_ + +#include <set> +#include <string> + +#include "compiler/translator/IntermNode.h" + +// Traverses the intermediate tree to determine which GLSL extensions are required +// to support the shader. +class TExtensionGLSL : public TIntermTraverser +{ + public: + TExtensionGLSL(ShShaderOutput output); + + const std::set<std::string> &getEnabledExtensions() const; + const std::set<std::string> &getRequiredExtensions() const; + + bool visitUnary(Visit visit, TIntermUnary *node) override; + bool visitAggregate(Visit visit, TIntermAggregate *node) override; + + private: + void checkOperator(TIntermOperator *node); + + int mTargetVersion; + + std::set<std::string> mEnabledExtensions; + std::set<std::string> mRequiredExtensions; +}; + +#endif // COMPILER_TRANSLATOR_EXTENSIONGLSL_H_ |