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Source/ThirdParty/ANGLE/src/compiler/translator/tree_ops/RemoveInactiveInterfaceVariables.h

 

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//

 

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// Copyright 2019 The ANGLE Project Authors. All rights reserved.

 

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// Use of this source code is governed by a BSD-style license that can be

 

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// found in the LICENSE file.

 

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//

 

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// RemoveInactiveInterfaceVariables.h:

 

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//  Drop shader interface variable declarations for those that are inactive.  This step needs to be

 

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//  done after CollectVariables.  This avoids having to emulate them (e.g. atomic counters for

 

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//  Vulkan) or remove them in glslang wrapper (again, for Vulkan).

 

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//

 

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//  Shouldn't be run for the GL backend, as it queries shader interface variables from GL itself,

 

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//  instead of relying on what was gathered during CollectVariables.

 

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//

 

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#ifndef COMPILER_TRANSLATOR_TREEOPS_REMOVEINACTIVEVARIABLES_H_

 

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#define COMPILER_TRANSLATOR_TREEOPS_REMOVEINACTIVEVARIABLES_H_

 

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#include "common/angleutils.h"

 

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namespace sh

 

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{

 

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struct InterfaceBlock;

 

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struct ShaderVariable;

 

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class TCompiler;

 

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class TIntermBlock;

 

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class TSymbolTable;

 

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ANGLE_NO_DISCARD bool RemoveInactiveInterfaceVariables(

 

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    TCompiler *compiler,

 

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    TIntermBlock *root,

 

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    const std::vector<sh::ShaderVariable> &attributes,

 

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    const std::vector<sh::ShaderVariable> &inputVaryings,

 

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    const std::vector<sh::ShaderVariable> &outputVariables,

 

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    const std::vector<sh::ShaderVariable> &uniforms,

 

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    const std::vector<sh::InterfaceBlock> &interfaceBlocks);

 

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}  // namespace sh

 

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#endif  // COMPILER_TRANSLATOR_TREEOPS_REMOVEINACTIVEVARIABLES_H_

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