GatherDefaultUniforms.h

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//

// Copyright 2025 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.

//

// GatherDefaultUniforms.h: gathers all default uniforms and puts them in an interface block,

// rewriting accesses of the default uniforms appropriately.

#ifndef COMPILER_TRANSLATOR_TREEOPS_GATHERDEFAULTUNIFORMS_H_

#define COMPILER_TRANSLATOR_TREEOPS_GATHERDEFAULTUNIFORMS_H_

#include "common/PackedGLEnums_autogen.h"

#include "compiler/translator/ImmutableString.h"

namespace sh

class TCompiler;

class TIntermBlock;

class TSymbolTable;

class TVariable;

class TType;

[[nodiscard]] bool IsDefaultUniform(const TType &type);

// Gathers all default uniforms into an interface block named `uniformBlockType`, with optional

// `uniformBlockVarName`. Rewrites accesses to the default uniform variables appropriately. Inserts

// the resulting interface block into the `root` tree and stores a pointer to the interface block in

// `outUniformBlock`.

[[nodiscard]] bool GatherDefaultUniforms(TCompiler *compiler,

                                         TIntermBlock *root,

                                         TSymbolTable *symbolTable,

                                         gl::ShaderType shaderType,

                                         const ImmutableString &uniformBlockType,

                                         const ImmutableString &uniformBlockVarName,

                                         const TVariable **outUniformBlock);

}  // namespace sh

#endif  // COMPILER_TRANSLATOR_TREEOPS_GATHERDEFAULTUNIFORMS_H_