[Fix, Test] (MG_State, MG_Backend/DirectGLES, MG_Util, MG_IntegrationTest, MG_Test): array layout(binding=N) elements bind consecutively, a read+write image reaches ESSL legally, compute local_size comes from the linked intermediate, and glShaderStorageBlockBinding is baked into the generated source

MobileGL/MG_Test/Backend/DirectGLES/CMakeLists.txt

@@ -0,0 +1,20 @@
+cmake_minimum_required(VERSION 3.14)
+
+add_executable(
+        EsslShaderPassTest
+        EsslShaderPassTest.cpp
+)
+
+target_include_directories(EsslShaderPassTest PRIVATE
+        ${MGL_ROOT}/include
+        ${MGL_ROOT}/MobileGL
+)
+
+target_link_libraries(
+        EsslShaderPassTest PRIVATE
+        GTest::gtest_main
+        ${LINK_LIBRARIES}
+)
+
+include(GoogleTest)
+gtest_discover_tests(EsslShaderPassTest DISCOVERY_TIMEOUT 30 PROPERTIES LABELS unit)