Validate packaged P3 shaders and describe bounded shadow atlases

src/editor/build_cache.cpp

@@ -375,7 +375,10 @@ bool validate_build_generation(const fs::path& directory, const std::string& pac
             return false;
         for (const auto* shader : {"vertexMain", "fragmentMain", "shadowMain",
                                    "gpuVertexMain", "gpuShadowMain", "gpuCullMain",
-                                   "gpuHzbMain", "gpuPostCullMain"})
+                                   "gpuHzbMain", "gpuPostCullMain", "lightTileMain",
+                                   "temporalResolveMain", "temporalCompositeVertexMain",
+                                   "temporalCompositeFragmentMain", "temporalVertexMain",
+                                   "temporalFragmentMain", "gpuTemporalVertexMain"})
             for (const auto* extension : {".spv", ".reflection.json"})
                 if (!expected.contains("shaders/" + std::string(shader) + extension))
                     return false;

src/editor/build_service.cpp

@@ -920,7 +920,12 @@ struct BuildService::Impl {
                 {"required_features", {"dynamicRendering", "synchronization2"}},
                 {"materials", {"base-color factor and texture", "metallic and roughness factors"}},
                 {"texture_sampling", "linear clamp, one mip level"},
-                {"shadow_map", {{"resolution", 1024}, {"world_extent", 40}}},
+                {"shadow_atlases", {{"sun_cascade_limit", 4},
+                                     {"local_face_limit", 16},
+                                     {"caster_draw_limit", 4096},
+                                     {"preferred_resolution", 2048},
+                                     {"fallback_resolution", 1024},
+                                     {"sampled_d32_required", true}}},
                 {"unsupported_material_features",
                  {"normal maps", "metallic-roughness maps", "emissive and occlusion maps",
                   "alpha mode selection", "unlit mode", "per-material face culling"}}};