Split builtin forward pipeline into feature and internal modules

engine/src/Rendering/Pipelines/Internal/BuiltinForwardSceneSetup.cpp

@@ -0,0 +1,54 @@
+#include "Rendering/Pipelines/Internal/BuiltinForwardSceneSetup.h"
+
+#include "Rendering/Features/BuiltinGaussianSplatPass.h"
+#include "Rendering/Features/BuiltinVolumetricPass.h"
+#include "Rendering/SceneRenderFeatureHost.h"
+
+#include <memory>
+
+namespace XCEngine {
+namespace Rendering {
+namespace Pipelines {
+namespace Internal {
+namespace {
+
+constexpr ForwardSceneStep MakeForwardSceneInjectionStep(SceneRenderInjectionPoint injectionPoint) {
+    ForwardSceneStep step = {};
+    step.type = ForwardSceneStepType::InjectionPoint;
+    step.injectionPoint = injectionPoint;
+    return step;
+}
+
+constexpr ForwardSceneStep MakeForwardSceneBuiltinPhaseStep(ScenePhase scenePhase) {
+    ForwardSceneStep step = {};
+    step.type = ForwardSceneStepType::BuiltinPhase;
+    step.scenePhase = scenePhase;
+    return step;
+}
+
+} // namespace
+
+const std::array<ForwardSceneStep, 9>& GetBuiltinForwardSceneSteps() {
+    static constexpr std::array<ForwardSceneStep, 9> kForwardSceneSteps = {
+        MakeForwardSceneInjectionStep(SceneRenderInjectionPoint::BeforeOpaque),
+        MakeForwardSceneBuiltinPhaseStep(ScenePhase::Opaque),
+        MakeForwardSceneInjectionStep(SceneRenderInjectionPoint::AfterOpaque),
+        MakeForwardSceneInjectionStep(SceneRenderInjectionPoint::BeforeSkybox),
+        MakeForwardSceneBuiltinPhaseStep(ScenePhase::Skybox),
+        MakeForwardSceneInjectionStep(SceneRenderInjectionPoint::AfterSkybox),
+        MakeForwardSceneInjectionStep(SceneRenderInjectionPoint::BeforeTransparent),
+        MakeForwardSceneBuiltinPhaseStep(ScenePhase::Transparent),
+        MakeForwardSceneInjectionStep(SceneRenderInjectionPoint::AfterTransparent)
+    };
+    return kForwardSceneSteps;
+}
+
+void RegisterBuiltinForwardSceneFeatures(SceneRenderFeatureHost& featureHost) {
+    featureHost.AddFeaturePass(std::make_unique<Features::BuiltinGaussianSplatPass>());
+    featureHost.AddFeaturePass(std::make_unique<Features::BuiltinVolumetricPass>());
+}
+
+} // namespace Internal
+} // namespace Pipelines
+} // namespace Rendering
+} // namespace XCEngine