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//
// Copyright 2019 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.
//
// RemoveInactiveInterfaceVariables.h:
// Drop shader interface variable declarations for those that are inactive. This step needs to be
// done after CollectVariables. This avoids having to emulate them (e.g. atomic counters for
// Vulkan) or remove them in glslang wrapper (again, for Vulkan).
//
// Shouldn't be run for the GL backend, as it queries shader interface variables from GL itself,
// instead of relying on what was gathered during CollectVariables.
//
#ifndef COMPILER_TRANSLATOR_TREEOPS_REMOVEINACTIVEVARIABLES_H_
#define COMPILER_TRANSLATOR_TREEOPS_REMOVEINACTIVEVARIABLES_H_
#include "common/angleutils.h"
namespace sh
{
struct InterfaceBlock;
struct ShaderVariable;
class TCompiler;
class TIntermBlock;
class TSymbolTable;
[[nodiscard]] bool RemoveInactiveInterfaceVariables(
TCompiler *compiler,
TIntermBlock *root,
TSymbolTable *symbolTable,
const std::vector<sh::ShaderVariable> &attributes,
const std::vector<sh::ShaderVariable> &inputVaryings,
const std::vector<sh::ShaderVariable> &outputVariables,
const std::vector<sh::ShaderVariable> &uniforms,
const std::vector<sh::InterfaceBlock> &interfaceBlocks,
bool removeFragmentOutputs);
} // namespace sh
#endif // COMPILER_TRANSLATOR_TREEOPS_REMOVEINACTIVEVARIABLES_H_
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