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// Copyright 2023 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
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// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
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#ifndef SRC_TINT_API_OPTIONS_PIXEL_LOCAL_H_
#define SRC_TINT_API_OPTIONS_PIXEL_LOCAL_H_
#include <cstdint>
#include <unordered_map>
#include "src/tint/utils/reflection/reflection.h"
namespace tint {
/// Options used to specify pixel local mappings
struct PixelLocalOptions {
/// Index of pixel_local structure member index to attachment index
std::unordered_map<uint32_t, uint32_t> attachments;
/// The supported pixel local storage attachment format
enum class TexelFormat : uint8_t {
kR32Sint,
kR32Uint,
kR32Float,
kUndefined,
};
/// Index of pixel_local structure member index to pixel local storage attachment format
std::unordered_map<uint32_t, TexelFormat> attachment_formats;
/// The bind group index of all pixel local storage attachments
uint32_t pixel_local_group_index = 0;
/// Reflect the fields of this class so that it can be used by tint::ForeachField()
TINT_REFLECT(attachments, attachment_formats, pixel_local_group_index);
};
/// Reflect valid value ranges for the PixelLocalOptions::TexelFormat enum.
TINT_REFLECT_ENUM_RANGE(PixelLocalOptions::TexelFormat, kR32Sint, kR32Float);
} // namespace tint
#endif // SRC_TINT_API_OPTIONS_PIXEL_LOCAL_H_