refactor(rendering): move scene data policy into render pipelines

engine/src/Rendering/RenderPipeline.cpp

@@ -0,0 +1,58 @@
+#include <XCEngine/Rendering/RenderPipeline.h>
+
+#include "Components/CameraComponent.h"
+#include "Rendering/Execution/CameraFramePlan.h"
+
+namespace XCEngine {
+namespace Rendering {
+
+namespace {
+
+Resources::ShaderKeywordSet BuildDefaultSceneGlobalShaderKeywords(
+    const RenderSceneData& sceneData) {
+    Resources::ShaderKeywordSet keywords = {};
+    if (sceneData.lighting.HasMainDirectionalShadow()) {
+        keywords.enabledKeywords.PushBack("XC_MAIN_LIGHT_SHADOWS");
+    }
+
+    Resources::NormalizeShaderKeywordSetInPlace(keywords);
+    return keywords;
+}
+
+RenderEnvironmentData BuildDefaultEnvironmentData(const CameraFramePlan& plan) {
+    RenderEnvironmentData environment = {};
+    const RenderSurface& mainSceneSurface = plan.GetMainSceneSurface();
+    if (plan.request.camera == nullptr ||
+        mainSceneSurface.GetDepthAttachment() == nullptr ||
+        !HasRenderClearFlag(plan.request.clearFlags, RenderClearFlags::Color) ||
+        !plan.request.camera->IsSkyboxEnabled() ||
+        plan.request.camera->GetProjectionType() != Components::CameraProjectionType::Perspective) {
+        return environment;
+    }
+
+    if (const Resources::Material* skyboxMaterial = plan.request.camera->GetSkyboxMaterial()) {
+        environment.mode = RenderEnvironmentMode::MaterialSkybox;
+        environment.materialSkybox.material = skyboxMaterial;
+        return environment;
+    }
+
+    environment.mode = RenderEnvironmentMode::ProceduralSkybox;
+    environment.skybox.topColor = plan.request.camera->GetSkyboxTopColor();
+    environment.skybox.horizonColor = plan.request.camera->GetSkyboxHorizonColor();
+    environment.skybox.bottomColor = plan.request.camera->GetSkyboxBottomColor();
+    return environment;
+}
+
+} // namespace
+
+void RenderPipeline::ConfigureRenderSceneData(
+    const CameraFramePlan& plan,
+    RenderSceneData& sceneData) const {
+    sceneData.globalShaderKeywords =
+        BuildDefaultSceneGlobalShaderKeywords(sceneData);
+    sceneData.environment =
+        BuildDefaultEnvironmentData(plan);
+}
+
+} // namespace Rendering
+} // namespace XCEngine