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feat: 特性开关 + Pass 调试视图接口（ImGui 可控，统一帧契约）

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三个运行时开关（Shadows/TAA/Bloom）与 9 种调试视图（Final/
TemporalDiff/HDR/TAAColor/Bloom/Velocity/ShadowMap0-2）。

统一设计：开关状态收敛 FrameSceneData 契约，SceneRenderer 唯一
写入、各 pass 只读（零虚接口路由）；调试视图经 tonemap push
int 路由已绑定的中间目标（声明超集、运行时零重绑）；HDR 域
资源过同一 tonemap 保证观感可比。

- Shadows：ShadowPass lambda 空转 + frag cascadeSplits.w 短路
- TAA：alpha=0 直通 + SceneRenderer 停投影抖动（同一持有者同步）
- Bloom：3 子 pass 空转 + tonemap 强度归零
- Renderer 门面 Get/Set 转发，App ImGui 3 Checkbox + Combo
- PostProcessParams 瘦身为纯数值参数，showTemporalDiff 被取缔
This commit is contained in:
atdunbg
2026-09-24 13:03:00 +08:00
parent 708d714459
commit a1c6ad20be
17 changed files with 271 additions and 66 deletions
Download Patch File Download Diff File Expand all files Collapse all files
Engine/src/Renderer/Renderer.cpp
+34 -7
View File
@@ -168,8 +168,33 @@ namespace Engine
void Renderer::SetBloomThreshold(f32 v) { m_PostParams->bloomThreshold = v; }
f32 Renderer::GetBloomStrength() const { return m_PostParams->bloomStrength; }
void Renderer::SetBloomStrength(f32 v) { m_PostParams->bloomStrength = v; }
bool Renderer::GetShowTemporalDiff() const { return m_PostParams->showTemporalDiff; }
void Renderer::SetShowTemporalDiff(bool b) { m_PostParams->showTemporalDiff = b; }
// ---- 特性开关 / 调试视图：转发 SceneRenderer（状态唯一持有者）----
bool Renderer::GetShadowsEnabled() const
{
return m_SceneRenderer->Frame().shadowsEnabled;
}
void Renderer::SetShadowsEnabled(bool b) { m_SceneRenderer->SetShadowsEnabled(b); }
bool Renderer::GetTAAEnabled() const { return m_SceneRenderer->Frame().taaEnabled; }
void Renderer::SetTAAEnabled(bool b) { m_SceneRenderer->SetTAAEnabled(b); }
bool Renderer::GetBloomEnabled() const
{
return m_SceneRenderer->Frame().bloomEnabled;
}
void Renderer::SetBloomEnabled(bool b) { m_SceneRenderer->SetBloomEnabled(b); }
int Renderer::GetDebugView() const { return m_SceneRenderer->Frame().debugView; }
void Renderer::SetDebugView(int v) { m_SceneRenderer->SetDebugView(v); }
const std::vector<const char*>& Renderer::GetDebugViewNames() const
{
static const std::vector<const char*> kNames = {
"Final", "TemporalDiff", "HDR", "TAAColor", "Bloom",
"Velocity", "ShadowMap0", "ShadowMap1", "ShadowMap2",
};
static_assert(int(Passes::kDebugViewCount) == 9,
"DebugView 枚举与名表同步");
return kNames;
}
u32 Renderer::GetMainInstanceCount() const
{
@@ -252,15 +277,17 @@ namespace Engine
m_Passes.push_back(CreateScope<Passes::ForwardPass>(
*m_SceneGpu, frame, m_HDRColor, m_Velocity, m_Depth, m_ShadowMaps));
m_Passes.push_back(CreateScope<Passes::TAAPass>(
*m_FullscreenGpu, /*historyAlpha*/ 0.9f, m_HDRColor, m_Velocity,
m_TAAColor));
*m_FullscreenGpu, frame, /*historyAlpha*/ 0.9f, m_HDRColor,
m_Velocity, m_TAAColor));
m_Passes.push_back(CreateScope<Passes::TemporalDiffPass>(
*m_FullscreenGpu, /*gain*/ 8.0f, m_HDRColor, m_TemporalDiff));
m_Passes.push_back(CreateScope<Passes::BloomPass>(
*m_FullscreenGpu, *m_PostParams, m_TAAColor, m_BloomA, m_BloomB));
*m_FullscreenGpu, *m_PostParams, frame, m_TAAColor, m_BloomA,
m_BloomB));
m_Passes.push_back(CreateScope<Passes::TonemapPass>(
*m_FullscreenGpu, *m_PostParams, m_TAAColor, m_BloomA,
m_TemporalDiff, m_Backbuffer));
*m_FullscreenGpu, *m_PostParams, frame, m_TAAColor, m_BloomA,
m_TemporalDiff, m_Backbuffer, m_HDRColor, m_Velocity,
m_ShadowMaps[0], m_ShadowMaps[1], m_ShadowMaps[2]));
m_Passes.push_back(CreateScope<Passes::ImGuiPass>(
&m_ImGuiLayer, m_Backbuffer));
m_Passes.push_back(CreateScope<Passes::PresentPass>(m_Backbuffer));