web: fix redball and fl0 examples (#9942)

- Remove conditional forgotten by #9897
   Fixes cube_fl0 example
 - Add byte array view methods that are no longer exported by
   default in emscripten 5.0.4 (#9921)
   Fixes redball tutorial

CMakeLists.txt

@@ -691,11 +691,6 @@ if (FILAMENT_SUPPORTS_WEBGPU)
     set(MATC_API_FLAGS ${MATC_API_FLAGS} -a webgpu --variant-filter=stereo)
 endif()
 
-# Disable ESSL 1.0 code generation.
-if (NOT FILAMENT_ENABLE_FEATURE_LEVEL_0)
-    set(MATC_API_FLAGS ${MATC_API_FLAGS} -1)
-endif()
-
 # Enable debug info (preserves names in SPIR-V)
 if (FILAMENT_ENABLE_MATDBG)
     set(MATC_OPT_FLAGS ${MATC_OPT_FLAGS} -d)

web/examples/materials/nonlit.mat

@@ -4,7 +4,8 @@ material {
         color
     ],
     shadingModel : unlit,
-    culling : none
+    culling : none,
+    featureLevel: 0
 }
 
 fragment {

web/filament-js/CMakeLists.txt

@@ -31,6 +31,7 @@ set(COPTS "${COPTS} -DEMSCRIPTEN_HAS_UNBOUND_TYPE_NAMES=0")
 set(LOPTS "${LOPTS} --bind")
 set(LOPTS "${LOPTS} -s ALLOW_MEMORY_GROWTH=1")
 set(LOPTS "${LOPTS} -s EXPORTED_FUNCTIONS=['_malloc','_free']")
+set(LOPTS "${LOPTS} -s EXPORTED_RUNTIME_METHODS=['HEAP8','HEAP16','HEAP32','HEAPU8','HEAPU16','HEAPU32','HEAPF32','HEAPF64']")
 set(LOPTS "${LOPTS} -s MODULARIZE=1")
 set(LOPTS "${LOPTS} -s EXPORT_NAME=Filament")
 set(LOPTS "${LOPTS} -s USE_WEBGL2=1")