refactor: 解耦重构——还清四处架构债（对齐 UE/Unity 分层）
- SceneRenderer：场景→渲染数据翻译层（UE FSceneRenderer / Unity CullingResults
模式），收口相机/灯光/光空间矩阵/双视图剔除，Renderer 只编排
- pass 对象化（Unity ScriptableRenderPass 模式）：8 个 pass lambda 拆为
Passes::{Shadow,Forward,Bloom,Tonemap,ImGui,Present}，BuildGraph 超级函数消失；
SceneGpu/FullscreenGpu 承接共享装配
- 中性 AssetRef（Core 层）：ECS 组件不再依赖 Assets 模块（Unity InstanceID 思路）
- IAssetUploader 接口：AssetManager 不感知 Vulkan 具体类，上传服务由渲染层
VulkanAssetUploader 提供
- Renderer 公共 API 不变（App 层零改动），编译零错误 validation 零警告
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//
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// Created by atdunbg on 2026/9/23.
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//
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#include <Engine/Renderer/Passes/ForwardPass.h>
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#include <Engine/Renderer/Vertex.h>
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#include <Engine/Renderer/Mesh.h>
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#include <Engine/Renderer/Material.h>
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#include <array>
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namespace Engine::Passes
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{
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void ForwardPass::Register(RG::RenderGraph& rg)
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{
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rg.AddPass("Forward", [this](RG::RenderGraphContext& ctx) {
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const vk::CommandBuffer cmd = ctx.cmd;
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vk::ClearValue clearValue;
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clearValue.color = vk::ClearColorValue(
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std::array<float, 4>{0.1f, 0.1f, 0.1f, 0.0f});
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vk::RenderingAttachmentInfo colorAttachment;
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colorAttachment.setImageView(ctx.View(m_HDRColor))
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.setImageLayout(vk::ImageLayout::eColorAttachmentOptimal)
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.setLoadOp(vk::AttachmentLoadOp::eClear)
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.setStoreOp(vk::AttachmentStoreOp::eStore)
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.setClearValue(clearValue);
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vk::RenderingAttachmentInfo depthAttachment;
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depthAttachment.setImageView(ctx.View(m_Depth))
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.setImageLayout(vk::ImageLayout::eDepthAttachmentOptimal)
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.setLoadOp(vk::AttachmentLoadOp::eClear)
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.setStoreOp(vk::AttachmentStoreOp::eDontCare)
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.setClearValue(vk::ClearValue(
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vk::ClearDepthStencilValue(1.0f, 0)));
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vk::RenderingInfo renderingInfo;
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renderingInfo.setRenderArea({{0, 0}, ctx.extent})
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.setLayerCount(1)
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.setColorAttachments(colorAttachment)
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.setPDepthAttachment(&depthAttachment);
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cmd.beginRendering(renderingInfo);
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// 绑定 shader object
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std::array<vk::ShaderStageFlagBits, 2> stages = {
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vk::ShaderStageFlagBits::eVertex,
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vk::ShaderStageFlagBits::eFragment
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};
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std::array<vk::ShaderEXT, 2> shaders = {m_Gpu.forwardVert, m_Gpu.forwardFrag};
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cmd.bindShadersEXT(stages, shaders);
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// Set 0：本帧槽位的 UBO；Set 2：本帧槽位的阴影图
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cmd.bindDescriptorSets(vk::PipelineBindPoint::eGraphics,
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m_Gpu.forwardLayout, 0,
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m_Gpu.uboSets[ctx.frame.frameSlot], {});
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cmd.bindDescriptorSets(vk::PipelineBindPoint::eGraphics,
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m_Gpu.forwardLayout, 2,
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m_Gpu.shadowSets[ctx.frame.frameSlot], {});
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// ---- 动态状态 ----
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cmd.setRasterizerDiscardEnable(VK_FALSE);
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cmd.setDepthTestEnable(VK_TRUE);
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cmd.setDepthWriteEnable(VK_TRUE);
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cmd.setDepthCompareOp(vk::CompareOp::eLess);
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cmd.setDepthBoundsTestEnable(VK_FALSE);
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cmd.setStencilTestEnable(VK_FALSE);
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cmd.setDepthBiasEnable(VK_FALSE);
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cmd.setPolygonModeEXT(vk::PolygonMode::eFill);
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cmd.setCullMode(vk::CullModeFlagBits::eNone);
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cmd.setFrontFace(vk::FrontFace::eCounterClockwise);
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cmd.setPrimitiveTopology(vk::PrimitiveTopology::eTriangleList);
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cmd.setPrimitiveRestartEnable(VK_FALSE);
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auto binding = Vertex::GetBindingDescription();
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auto attributes = Vertex::GetAttributeDescriptions();
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cmd.setVertexInputEXT(binding, attributes);
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cmd.setRasterizationSamplesEXT(vk::SampleCountFlagBits::e1);
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vk::SampleMask sampleMask = 0xFFFFFFFF;
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cmd.setSampleMaskEXT(vk::SampleCountFlagBits::e1, sampleMask);
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cmd.setAlphaToCoverageEnableEXT(VK_FALSE);
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cmd.setAlphaToOneEnableEXT(VK_FALSE);
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vk::Viewport viewport(0.0f, 0.0f,
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static_cast<float>(ctx.extent.width),
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static_cast<float>(ctx.extent.height),
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0.0f, 1.0f);
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cmd.setViewportWithCount(viewport);
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vk::Rect2D scissor({0, 0}, ctx.extent);
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cmd.setScissorWithCount(scissor);
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vk::Bool32 blendEnable = VK_FALSE;
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cmd.setColorBlendEnableEXT(0, blendEnable);
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vk::ColorBlendEquationEXT blendEquation;
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blendEquation.setSrcColorBlendFactor(vk::BlendFactor::eOne)
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.setDstColorBlendFactor(vk::BlendFactor::eZero)
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.setColorBlendOp(vk::BlendOp::eAdd)
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.setSrcAlphaBlendFactor(vk::BlendFactor::eOne)
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.setDstAlphaBlendFactor(vk::BlendFactor::eZero)
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.setAlphaBlendOp(vk::BlendOp::eAdd);
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cmd.setColorBlendEquationEXT(0, blendEquation);
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vk::ColorComponentFlags colorWriteMask =
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vk::ColorComponentFlagBits::eR |
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vk::ColorComponentFlagBits::eG |
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vk::ColorComponentFlagBits::eB |
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vk::ColorComponentFlagBits::eA;
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cmd.setColorWriteMaskEXT(0, colorWriteMask);
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// ---- 绘制：GPUDriven 按 mesh 分 batch（相机视锥剔除后）----
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// 实例矩阵已由 Renderer 写入 ObjectBuffer（per-slot SSBO）；
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// 同 mesh 的 N 个可见实体合并为一次 drawIndexed(instanceCount=N)，
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// draw 数 = 可见唯一 mesh 数，与实体数量解耦
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for (const auto& batch : m_Frame.mainView.batches) {
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cmd.bindDescriptorSets(vk::PipelineBindPoint::eGraphics,
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m_Gpu.forwardLayout, 1,
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batch.mesh->GetMaterial()->GetDescriptorSet(), {});
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batch.mesh->Draw(cmd, batch.count, batch.first);
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}
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cmd.endRendering();
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})
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.Write(m_HDRColor, RG::ResourceUse::ColorAttachment)
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.Write(m_Depth, RG::ResourceUse::DepthAttachment)
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.Read(m_ShadowMap, RG::ResourceUse::ShaderRead,
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vk::ShaderStageFlagBits::eFragment);
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}
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} // namespace Engine::Passes
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