| /* |
| * 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. |
| */ |
| |
| #include "config.h" |
| #include "WebGPUBindGroupEntry.h" |
| |
| #if ENABLE(GPU_PROCESS) |
| |
| #include "WebGPUConvertFromBackingContext.h" |
| #include "WebGPUConvertToBackingContext.h" |
| #include <pal/graphics/WebGPU/WebGPUBindGroupEntry.h> |
| |
| namespace WebKit::WebGPU { |
| |
| std::optional<BindGroupEntry> ConvertToBackingContext::convertToBacking(const PAL::WebGPU::BindGroupEntry& bindGroupEntry) |
| { |
| return WTF::switchOn(bindGroupEntry.resource, [&] (std::reference_wrapper<PAL::WebGPU::Sampler> sampler) -> std::optional<BindGroupEntry> { |
| auto identifier = convertToBacking(sampler); |
| if (!identifier) |
| return std::nullopt; |
| |
| return { { bindGroupEntry.binding, { }, identifier, BindingResourceType::Sampler } }; |
| }, [&] (std::reference_wrapper<PAL::WebGPU::TextureView> textureView) -> std::optional<BindGroupEntry> { |
| auto identifier = convertToBacking(textureView); |
| if (!identifier) |
| return std::nullopt; |
| |
| return { { bindGroupEntry.binding, { }, identifier, BindingResourceType::TextureView } }; |
| }, [&] (const auto& bufferBinding) -> std::optional<BindGroupEntry> { |
| auto convertedBufferBinding = convertToBacking(bufferBinding); |
| if (!convertedBufferBinding) |
| return std::nullopt; |
| |
| return { { bindGroupEntry.binding, WTFMove(*convertedBufferBinding), { }, BindingResourceType::TextureView } }; |
| }, [&] (std::reference_wrapper<PAL::WebGPU::ExternalTexture> externalTexture) -> std::optional<BindGroupEntry> { |
| auto identifier = convertToBacking(externalTexture); |
| if (!identifier) |
| return std::nullopt; |
| |
| return { { bindGroupEntry.binding, { }, identifier, BindingResourceType::ExternalTexture } }; |
| }); |
| } |
| |
| std::optional<PAL::WebGPU::BindGroupEntry> ConvertFromBackingContext::convertFromBacking(const BindGroupEntry& bindGroupEntry) |
| { |
| switch (bindGroupEntry.type) { |
| case BindingResourceType::Sampler: { |
| auto* sampler = convertSamplerFromBacking(bindGroupEntry.identifier); |
| if (!sampler) |
| return std::nullopt; |
| return { { bindGroupEntry.binding, { *sampler } } }; |
| } |
| case BindingResourceType::TextureView: { |
| auto* textureView = convertTextureViewFromBacking(bindGroupEntry.identifier); |
| if (!textureView) |
| return std::nullopt; |
| return { { bindGroupEntry.binding, { *textureView } } }; |
| } |
| case BindingResourceType::BufferBinding: { |
| auto bufferBinding = convertFromBacking(bindGroupEntry.bufferBinding); |
| if (!bufferBinding) |
| return std::nullopt; |
| return { { bindGroupEntry.binding, { *bufferBinding } } }; |
| } |
| case BindingResourceType::ExternalTexture: { |
| auto* externalTexture = convertExternalTextureFromBacking(bindGroupEntry.identifier); |
| if (!externalTexture) |
| return std::nullopt; |
| return { { bindGroupEntry.binding, { *externalTexture } } }; |
| } |
| } |
| |
| RELEASE_ASSERT_NOT_REACHED(); |
| } |
| |
| } // namespace WebKit |
| |
| #endif // ENABLE(GPU_PROCESS) |