EmulateMultiDrawShaderBuiltins.h

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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.

//

// EmulateGLDrawID is an AST traverser to convert the gl_DrawID builtin

// to a uniform int

//

// EmulateGLBaseVertexBaseInstance is an AST traverser to convert the gl_BaseVertex and

// gl_BaseInstance builtin to uniform ints

//

// EmulateGLBaseInstance is an AST traverser to convert the gl_BaseInstance builtin

// to a uniform int

//

#ifndef COMPILER_TRANSLATOR_TREEOPS_EMULATEMULTIDRAWSHADERBUILTINS_H_

#define COMPILER_TRANSLATOR_TREEOPS_EMULATEMULTIDRAWSHADERBUILTINS_H_

#include <GLSLANG/ShaderLang.h>

#include <vector>

#include "common/angleutils.h"

#include "compiler/translator/HashNames.h"

namespace sh

struct ShaderVariable;

class TCompiler;

class TIntermBlock;

class TSymbolTable;

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

                                   TIntermBlock *root,

                                   TSymbolTable *symbolTable,

                                   std::vector<sh::ShaderVariable> *uniforms,

                                   bool shouldCollect);

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

                                                   TIntermBlock *root,

                                                   TSymbolTable *symbolTable,

                                                   std::vector<sh::ShaderVariable> *uniforms,

                                                   bool shouldCollect,

                                                   bool addBaseVertexToVertexID);

}  // namespace sh

#endif  // COMPILER_TRANSLATOR_TREEOPS_EMULATEMULTIDRAWSHADERBUILTINS_H_