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feat: ImGui 调试面板分组整理

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Scene/Rendering/Environment/GPU Timings/Frame 五个 CollapsingHeader；
功能开关用 checkbox 条件显隐联动参数（Bloom 勾选才出现 threshold/
strength），无参数开关横排平铺。
This commit is contained in:
atdunbg
2026-09-24 13:44:15 +08:00
parent 1d690067bd
commit b65856b8a5
1 changed files with 122 additions and 108 deletions
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App/main.cpp
+122 -108
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@@ -162,130 +162,144 @@ namespace
void OnRenderOverlay() override
{
ImGui::Begin("Scene Debug");
// 阴影光源方向：拖动滑条实时看影子变化
if (auto* light = m_KeyLight.TryGetComponent<LightComponent>())
{
ImGui::Text("Key Light (shadow caster)");
ImGui::SliderFloat3("direction",
&light->direction.x, -1.0f, 1.0f);
ImGui::SliderFloat("intensity", &light->color.a, 0.0f, 20.0f);
if (ImGui::Button("reset"))
{
light->direction = glm::vec3(-0.5f, -0.6f, -0.35f);
light->color.a = 2.0f;
}
}
// Tonemap + Bloom 参数（HDR 后处理输出端）
auto& renderer = GetRenderer();
ImGui::Separator();
ImGui::Text("Tonemap");
f32 exposure = renderer.GetExposure();
if (ImGui::SliderFloat("exposure", &exposure, 0.1f, 4.0f))
{
renderer.SetExposure(exposure);
}
bool aces = renderer.GetUseACES();
if (ImGui::Checkbox("ACES", &aces))
{
renderer.SetUseACES(aces);
}
ImGui::Text("Bloom");
f32 threshold = renderer.GetBloomThreshold();
if (ImGui::SliderFloat("threshold", &threshold, 0.0f, 2.0f))
// ---- Scene：场景内容（灯/动画） ----
if (ImGui::CollapsingHeader("Scene", ImGuiTreeNodeFlags_DefaultOpen))
{
renderer.SetBloomThreshold(threshold);
}
f32 strength = renderer.GetBloomStrength();
if (ImGui::SliderFloat("strength", &strength, 0.0f, 2.0f))
{
renderer.SetBloomStrength(strength);
}
ImGui::Text("Features");
bool shadows = renderer.GetShadowsEnabled();
if (ImGui::Checkbox("Shadows", &shadows))
{
renderer.SetShadowsEnabled(shadows);
}
bool taa = renderer.GetTAAEnabled();
if (ImGui::Checkbox("TAA", &taa))
{
renderer.SetTAAEnabled(taa);
}
bool bloom = renderer.GetBloomEnabled();
if (ImGui::Checkbox("Bloom", &bloom))
{
renderer.SetBloomEnabled(bloom);
}
// 动态环境切换（Assets 层加载 → Renderer 换绑；缓存去重）
ImGui::Separator();
ImGui::Text("Environment (IBL)");
int envIdx = m_EnvIndex;
if (ImGui::Combo("env", &envIdx, kEnvNames, kEnvCount))
{
const auto ref = GetAssets().LoadEnvironment(kEnvPaths[envIdx]);
if (ref.Valid())
// 阴影光源（无开关，控件平铺聚拢）
if (auto* light = m_KeyLight.TryGetComponent<LightComponent>())
{
renderer.SetEnvironment(GetAssets().GetEnvironment(ref));
m_EnvIndex = envIdx;
ImGui::Text("Key Light (shadow caster)");
ImGui::SliderFloat3("direction",
&light->direction.x, -1.0f, 1.0f);
ImGui::SliderFloat("intensity", &light->color.a, 0.0f, 20.0f);
if (ImGui::Button("reset"))
{
light->direction = glm::vec3(-0.5f, -0.6f, -0.35f);
light->color.a = 2.0f;
}
}
ImGui::Checkbox("Pause Animation", &m_PauseAnim);
}
// ---- Rendering：渲染管线参数与开关 ----
if (ImGui::CollapsingHeader("Rendering", ImGuiTreeNodeFlags_DefaultOpen))
{
// Tonemap（无开关，平铺）
f32 exposure = renderer.GetExposure();
if (ImGui::SliderFloat("exposure", &exposure, 0.1f, 4.0f))
{
renderer.SetExposure(exposure);
}
bool aces = renderer.GetUseACES();
if (ImGui::Checkbox("ACES", &aces))
{
renderer.SetUseACES(aces);
}
// Bloom：开关即显隐——勾上才显示参数
bool bloom = renderer.GetBloomEnabled();
if (ImGui::Checkbox("Bloom", &bloom))
{
renderer.SetBloomEnabled(bloom);
}
if (bloom)
{
f32 threshold = renderer.GetBloomThreshold();
if (ImGui::SliderFloat("threshold", &threshold, 0.0f, 2.0f))
{
renderer.SetBloomThreshold(threshold);
}
f32 strength = renderer.GetBloomStrength();
if (ImGui::SliderFloat("strength", &strength, 0.0f, 2.0f))
{
renderer.SetBloomStrength(strength);
}
}
// 无参数的纯开关：横排平铺
bool shadows = renderer.GetShadowsEnabled();
if (ImGui::Checkbox("Shadows", &shadows))
{
renderer.SetShadowsEnabled(shadows);
}
ImGui::SameLine();
bool taa = renderer.GetTAAEnabled();
if (ImGui::Checkbox("TAA", &taa))
{
renderer.SetTAAEnabled(taa);
}
}
ImGui::Text("(switch = compute pre-integrate, ms-level)");
// 调试视图：单看某个 pass 的中间输出（类 UE pass debug）
const auto& viewNames = renderer.GetDebugViewNames();
int view = renderer.GetDebugView();
if (ImGui::Combo("Debug View", &view, viewNames.data(),
static_cast<int>(viewNames.size())))
// ---- Environment：IBL 环境 + 调试视图（决定"看什么"） ----
if (ImGui::CollapsingHeader("Environment", ImGuiTreeNodeFlags_DefaultOpen))
{
renderer.SetDebugView(view);
}
ImGui::Checkbox("Pause Animation", &m_PauseAnim);
// 动态环境切换（Assets 层加载 → Renderer 换绑；缓存去重）
ImGui::Text("Environment (IBL)");
int envIdx = m_EnvIndex;
if (ImGui::Combo("env", &envIdx, kEnvNames, kEnvCount))
{
const auto ref = GetAssets().LoadEnvironment(kEnvPaths[envIdx]);
if (ref.Valid())
{
renderer.SetEnvironment(GetAssets().GetEnvironment(ref));
m_EnvIndex = envIdx;
}
}
ImGui::Text("(switch = compute pre-integrate, ms-level)");
// Pass 级 GPU 耗时（RG timestamp）
ImGui::Separator();
ImGui::Text("GPU Timings");
ImGui::Text("instances: %u main / %u shadow",
renderer.GetMainInstanceCount(),
renderer.GetShadowInstanceCount());
const auto& names = renderer.GetPassNames();
const auto& times = renderer.GetPassGpuMs();
for (size_t i = 0; i < names.size() && i < times.size(); ++i)
{
ImGui::Text(" %-12s %.3f ms", names[i].c_str(), times[i]);
// 调试视图：单看某个 pass 的中间输出（类 UE pass debug）
const auto& viewNames = renderer.GetDebugViewNames();
int view = renderer.GetDebugView();
if (ImGui::Combo("Debug View", &view, viewNames.data(),
static_cast<int>(viewNames.size())))
{
renderer.SetDebugView(view);
}
}
// 帧率控制
auto& app = *this;
ImGui::Separator();
ImGui::Text("Frame");
bool vsync = app.GetVSync();
if (ImGui::Checkbox("VSync", &vsync))
// ---- GPU Timings：只读遥测（默认折叠，不占面板高度） ----
if (ImGui::CollapsingHeader("GPU Timings"))
{
app.SetVSync(vsync);
// Pass 级 GPU 耗时（RG timestamp）
ImGui::Text("instances: %u main / %u shadow",
renderer.GetMainInstanceCount(),
renderer.GetShadowInstanceCount());
const auto& names = renderer.GetPassNames();
const auto& times = renderer.GetPassGpuMs();
for (size_t i = 0; i < names.size() && i < times.size(); ++i)
{
ImGui::Text(" %-12s %.3f ms", names[i].c_str(), times[i]);
}
}
// ---- Frame：帧率控制与显示 ----
if (ImGui::CollapsingHeader("Frame", ImGuiTreeNodeFlags_DefaultOpen))
{
auto& app = *this;
bool vsync = app.GetVSync();
if (ImGui::Checkbox("VSync", &vsync))
{
app.SetVSync(vsync);
if (!vsync)
{
const f32 target = app.GetTargetFps();
app.SetTargetFps(target);
}
}
if (!vsync)
{
const f32 target = app.GetTargetFps();
app.SetTargetFps(target);
f32 target = app.GetTargetFps();
if (ImGui::SliderFloat("target fps", &target, 24.0f, 360.0f, "%.0f"))
{
app.SetTargetFps(target);
}
}
ImGui::Text("fps: %.1f frame: %llu",
1.0f / GetDeltaTime(),
static_cast<unsigned long long>(GetFrameCount()));
}
if (!vsync)
{
f32 target = app.GetTargetFps();
if (ImGui::SliderFloat("target fps", &target, 24.0f, 360.0f, "%.0f"))
{
app.SetTargetFps(target);
}
}
ImGui::Separator();
ImGui::Text("fps: %.1f frame: %llu",
1.0f / GetDeltaTime(),
static_cast<unsigned long long>(GetFrameCount()));
ImGui::End();