| /* |
| * Copyright (C) 2021 Apple Inc. All rights reserved. |
| * |
| * 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. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #pragma once |
| |
| #if ENABLE(GPU_PROCESS) |
| |
| #include "WebGPUBlendComponent.h" |
| #include <optional> |
| |
| namespace WebKit::WebGPU { |
| |
| struct BlendState { |
| BlendComponent color; |
| BlendComponent alpha; |
| |
| template<class Encoder> void encode(Encoder& encoder) const |
| { |
| encoder << color; |
| encoder << alpha; |
| } |
| |
| template<class Decoder> static std::optional<BlendState> decode(Decoder& decoder) |
| { |
| std::optional<BlendComponent> color; |
| decoder >> color; |
| if (!color) |
| return std::nullopt; |
| |
| std::optional<BlendComponent> alpha; |
| decoder >> alpha; |
| if (!alpha) |
| return std::nullopt; |
| |
| return { { WTFMove(*color), WTFMove(*alpha) } }; |
| } |
| }; |
| |
| } // namespace WebKit::WebGPU |
| |
| #endif // ENABLE(GPU_PROCESS) |