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03-UnrealEngine/卡通渲染相关资料/渲染功能/ARC/Platform/PS4支持.md
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03-UnrealEngine/卡通渲染相关资料/渲染功能/ARC/Platform/PS4支持.md
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---
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title: PS4支持
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date: 2026-05-03 00:00:00
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excerpt: PS4 平台 PSSL Shader 兼容层、HDR Resolve 和平台特化着色器
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tags:
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- ARC
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- Platform
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- PS4
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rating: ⭐
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---
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# PS4 支持
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返回 [[Platform]]
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## 概述
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为 PS4(Orbis)平台提供完整的 Shader 兼容层和平台特化着色器。
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## PSSL 兼容层
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`Public/Platform/PS4/PS4Common.ush` 提供 HLSL → PSSL(PlayStation Shader Language)的映射:
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- 数据类型映射(`float4` → PSSL 等效)
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- Sampler 设置(各向异性过滤、比较采样器)
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- Wave Intrinsics 映射(`WaveActiveSum`、`WaveActiveBallot` 等)
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- 纹理采样函数兼容
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## 平台特化着色器
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`Private/Platform/PS4/` 目录包含 6 个平台着色器:
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| 文件 | 用途 |
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|------|------|
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| HDR Resolve | 高动态范围缓冲区解析 |
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| RT Write Mask | Render Target 写入遮罩 |
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| Wide Custom Resolve | 宽格式自定义解析 |
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## DOF 修复
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`PostProcessDOF.usf` 中的 PS4 特化修改:
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```hlsl
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#if !MOBILE_SHADING
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// PS4: ReadFullResAndDepth 函数签名调整
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float4 ReadFullResAndDepth(float2 UV, float Depth)
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#endif
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```
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以及 `RED_CHANGE` 深度 Gather 优化。
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## 修改文件列表
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| 文件 | 修改类型 |
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|------|---------|
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| `Shaders/Public/Platform/PS4/PS4Common.ush` | **新增** — PSSL 兼容层 |
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| `Shaders/Private/Platform/PS4/` (6 files) | **新增** — 平台着色器 |
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| `Shaders/Private/PostProcessDOF.usf` | PS4 DOF 修复 |
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03-UnrealEngine/卡通渲染相关资料/渲染功能/ARC/Platform/PS5支持.md
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03-UnrealEngine/卡通渲染相关资料/渲染功能/ARC/Platform/PS5支持.md
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---
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title: PS5支持
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date: 2026-05-03 00:00:00
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excerpt: PS5 Feature Level 定义和 GBuffer 格式适配
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tags:
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- ARC
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- Platform
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- PS5
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rating: ⭐
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---
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# PS5 支持
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返回 [[Platform]]
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## 概述
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PS5 平台的修改相对较少,主要是 Feature Level 定义和 GBuffer 格式的平台差异处理。
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## Feature Level
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在 `Public/Platform.ush` 中为 PS5 添加 SM5 Feature Level:
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```hlsl
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#elif PS5_PROFILE
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#define FEATURE_LEVEL FEATURE_LEVEL_SM5
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```
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## GBuffer 格式适配
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Specular GBuffer 在 PS5 上保持标准格式,仅在非 PS5 平台降级为 `PF_A8`:
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```cpp
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// SceneRenderTargets.cpp
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#if !PS5_PLATFORM
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SpecularGBufferFormat = PF_A8; // 降低精度节省带宽
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#endif
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```
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参见 [[GBuffer修改]]。
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## 修改文件列表
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| 文件 | 修改类型 |
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|------|---------|
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| `Shaders/Public/Platform.ush` | Feature Level 定义 |
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| `Source/Runtime/Renderer/Private/SceneRenderTargets.cpp` | GBuffer 格式判断 |
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03-UnrealEngine/卡通渲染相关资料/渲染功能/ARC/Platform/Platform.md
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03-UnrealEngine/卡通渲染相关资料/渲染功能/ARC/Platform/Platform.md
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---
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title: Platform
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date: 2026-05-03 00:00:00
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excerpt: ARC 引擎平台支持修改分类索引(PS4/PS5/Xbox One)
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tags:
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- ARC
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- Platform
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rating: ⭐
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---
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# Platform — 平台支持
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返回 [[ARC引擎修改总览]]
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## 概述
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ARC 引擎为主机平台(PS4、PS5、Xbox One)添加了 Shader 兼容层和平台特化代码,确保卡通渲染管线在各平台上正确运行。
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## 功能列表
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| 功能 | 文档 | 说明 |
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|------|------|------|
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| PS4 支持 | [[PS4支持]] | PSSL 兼容层、HDR Resolve、RT Write Mask |
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| PS5 支持 | [[PS5支持]] | Feature Level 定义、GBuffer 格式适配 |
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| Xbox One 支持 | [[XboxOne支持]] | HLSL 兼容层、Wave Intrinsics |
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03-UnrealEngine/卡通渲染相关资料/渲染功能/ARC/Platform/XboxOne支持.md
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03-UnrealEngine/卡通渲染相关资料/渲染功能/ARC/Platform/XboxOne支持.md
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---
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title: XboxOne支持
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date: 2026-05-03 00:00:00
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excerpt: Xbox One 平台 Shader 兼容层
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tags:
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- ARC
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- Platform
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- XboxOne
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rating: ⭐
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---
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# Xbox One 支持
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返回 [[Platform]]
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## 概述
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为 Xbox One 平台提供 Shader 兼容层。
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## HLSL 兼容层
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`Public/Platform/XboxOne/XboxOneCommon.ush` 提供:
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- Xbox One GPU 特有的 Wave Intrinsics 映射
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- Sampler 和纹理采样兼容
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- HLSL Shader Model 差异处理
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## D3D12RHI 平台代码
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`Source/Runtime/D3D12RHI/Private/XboxOne/` 目录(空占位),预留 Xbox One 平台的 D3D12 RHI 特化代码。
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## 修改文件列表
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| 文件 | 修改类型 |
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|------|---------|
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| `Shaders/Public/Platform/XboxOne/XboxOneCommon.ush` | **新增** — 兼容层 |
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| `Source/Runtime/D3D12RHI/Private/XboxOne/` | **新增** — 空占位目录 |
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