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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CC_QUADS_RENDER_PASS_ID_H_
#define CC_QUADS_RENDER_PASS_ID_H_
#include <stddef.h>
#include <stdint.h>
#include <tuple>
#include "base/hash.h"
#include "cc/base/cc_export.h"
namespace cc {
class CC_EXPORT RenderPassId {
public:
int layer_id;
uint32_t index;
RenderPassId() : layer_id(-1), index(0) {}
RenderPassId(int layer_id, uint32_t index)
: layer_id(layer_id), index(index) {}
void* AsTracingId() const;
bool IsValid() const { return layer_id >= 0; }
bool operator==(const RenderPassId& other) const {
return layer_id == other.layer_id && index == other.index;
}
bool operator!=(const RenderPassId& other) const { return !(*this == other); }
bool operator<(const RenderPassId& other) const {
return std::tie(layer_id, index) < std::tie(other.layer_id, other.index);
}
};
struct RenderPassIdHash {
size_t operator()(RenderPassId key) const {
return base::HashInts(key.layer_id, static_cast<int>(key.index));
}
};
} // namespace cc
#endif // CC_QUADS_RENDER_PASS_ID_H_
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