feat: TAA 时域抗锯齿(velocity + 邻域 clamp + 子像素抖动)
- Velocity buffer:Forward 第二颜色附件,vertex 计算 clip 空间运动向量 (UBO 尾部追加 projNoJitter/prevView/prevProj;上一帧实例矩阵 SSBO Set0 binding2,与当前实例数组平行对齐——转动的物体速度正确不鬼影) - 子像素抖动:SceneRenderer Halton(2,3)×8 序列,抖动只进光栅化投影 - TAA resolve pass:velocity 反推历史位置 + 3×3 邻域 clamp 去鬼影 + mix(cur,hist,0.9) 时域累积;TAAColor 自引用历史 - RG 历史读补 post-barrier:采样后恢复镜像 resting layout(TAA 的历史 是 ColorAttachment layout,不恢复则下帧 entry oldLayout 脱节) - 管线:Forward(HDR+Velocity) → TAA(TAAColor) → Bloom/Tonemap 改源 TAAColor - 编译零错误、validation 零警告、8 秒冒烟通过(10 pass 全活跃)
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@@ -29,14 +29,15 @@ namespace Engine {
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public:
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SceneGpu(Device& device, DescriptorManager& descriptors,
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ShaderManager& shaders,
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UniformBuffer& ubo, UniformBuffer& objectBuffer);
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UniformBuffer& ubo, UniformBuffer& objectBuffer,
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UniformBuffer& prevObjectBuffer);
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~SceneGpu();
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SceneGpu(const SceneGpu&) = delete;
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SceneGpu& operator=(const SceneGpu&) = delete;
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// ---- set 布局(shader 契约,改绑定必须同步 shaders/)----
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vk::DescriptorSetLayout uboSetLayout; // Set0 = {UBO, ObjectBuffer}
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vk::DescriptorSetLayout uboSetLayout; // Set0 = {UBO, ObjectBuffer, PrevObjectBuffer}
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vk::DescriptorSetLayout textureSetLayout; // Set1 = {albedo}
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vk::DescriptorSetLayout shadowSetLayout; // Set2 = {shadow map}
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vk::PipelineLayout forwardLayout; // 3 sets,无 push(GPUDriven 经 SSBO)
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