| /* |
| * Copyright 2021 Google LLC |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "src/gpu/ResourceKey.h" |
| |
| #include "src/core/SkChecksum.h" |
| |
| #include <atomic> |
| |
| namespace skgpu { |
| |
| ScratchKey::ResourceType ScratchKey::GenerateResourceType() { |
| static std::atomic<int32_t> nextType{ResourceKey::kInvalidDomain + 1}; |
| |
| int32_t type = nextType.fetch_add(1, std::memory_order_relaxed); |
| if (type > SkTo<int32_t>(UINT16_MAX)) { |
| SK_ABORT("Too many Resource Types"); |
| } |
| |
| return static_cast<ResourceType>(type); |
| } |
| |
| UniqueKey::Domain UniqueKey::GenerateDomain() { |
| static std::atomic<int32_t> nextDomain{ResourceKey::kInvalidDomain + 1}; |
| |
| int32_t domain = nextDomain.fetch_add(1, std::memory_order_relaxed); |
| if (domain > SkTo<int32_t>(UINT16_MAX)) { |
| SK_ABORT("Too many skgpu::UniqueKey Domains"); |
| } |
| |
| return static_cast<Domain>(domain); |
| } |
| |
| uint32_t ResourceKeyHash(const uint32_t* data, size_t size) { |
| return SkChecksum::Hash32(data, size); |
| } |
| |
| } // namespace skgpu |
| |