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//
// Copyright 2021 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.
//
// MonomorphizeUnsupportedFunctions: Monomorphize functions that are called with
// parameters that are incompatible with both Vulkan GLSL and Metal:
//
// - Samplers in structs
// - Structs that have samplers
// - Partially subscripted array of array of samplers
// - Partially subscripted array of array of images
// - Atomic counters
// - samplerCube variables when emulating ES2's cube map sampling
// - image* variables with r32f formats (to emulate imageAtomicExchange)
//
// This transformation basically duplicates such functions, removes the
// sampler/image/atomic_counter parameters and uses the opaque uniforms used by the caller.
#ifndef COMPILER_TRANSLATOR_TREEOPS_VULKAN_MONOMORPHIZEUNSUPPORTEDFUNCTIONS_H_
#define COMPILER_TRANSLATOR_TREEOPS_VULKAN_MONOMORPHIZEUNSUPPORTEDFUNCTIONS_H_
#include "common/angleutils.h"
#include "compiler/translator/Compiler.h"
namespace sh
{
class TIntermBlock;
class TSymbolTable;
// Types of function prameters that should trigger monomorphization.
enum class UnsupportedFunctionArgs
{
StructContainingSamplers = 0,
ArrayOfArrayOfSamplerOrImage = 1,
AtomicCounter = 2,
SamplerCubeEmulation = 3,
Image = 4,
PixelLocalStorage = 5,
InvalidEnum = 6,
EnumCount = 6,
};
using UnsupportedFunctionArgsBitSet = angle::PackedEnumBitSet<UnsupportedFunctionArgs>;
[[nodiscard]] bool MonomorphizeUnsupportedFunctions(TCompiler *compiler,
TIntermBlock *root,
TSymbolTable *symbolTable,
const ShCompileOptions &compileOptions,
UnsupportedFunctionArgsBitSet);
} // namespace sh
#endif // COMPILER_TRANSLATOR_TREEOPS_VULKAN_MONOMORPHIZEUNSUPPORTEDFUNCTIONS_H_
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