diff --git a/MobileGL/MG_Backend/DirectGLES/BackendObject_DirectGLES.cpp b/MobileGL/MG_Backend/DirectGLES/BackendObject_DirectGLES.cpp
index de7dd358..0c5b62be 100644
--- a/MobileGL/MG_Backend/DirectGLES/BackendObject_DirectGLES.cpp
+++ b/MobileGL/MG_Backend/DirectGLES/BackendObject_DirectGLES.cpp
@@ -824,7 +824,8 @@ namespace MobileGL::MG_Backend::DirectGLES {
                                           E_GL_ARB_shader_storage_buffer_object, E_GL_ARB_shader_image_load_store,
                                           E_GL_ARB_program_interface_query, E_GL_ARB_framebuffer_object,
                                           E_GL_EXT_framebuffer_object, E_GL_ARB_depth_texture, E_GL_ARB_buffer_storage,
-                                          E_GL_ARB_texture_storage, E_GL_ARB_direct_state_access,
+                                          E_GL_ARB_texture_storage, E_GL_ARB_texture_storage_multisample,
+                                          E_GL_ARB_direct_state_access,
                                           E_GL_ARB_multi_draw_indirect, E_GL_ARB_indirect_parameters,
                                           E_GL_ARB_shader_draw_parameters, E_GL_ARB_gpu_shader5, E_GL_ARB_multi_bind,
                                           E_GL_ARB_shading_language_420pack, E_GL_ARB_vertex_attrib_binding,
diff --git a/MobileGL/MG_Backend/DirectGLES/DirectGLES.cpp b/MobileGL/MG_Backend/DirectGLES/DirectGLES.cpp
index 7b926059..4246f071 100644
--- a/MobileGL/MG_Backend/DirectGLES/DirectGLES.cpp
+++ b/MobileGL/MG_Backend/DirectGLES/DirectGLES.cpp
@@ -3450,14 +3450,13 @@ namespace MobileGL::MG_Backend::DirectGLES {
         auto* textureMipmapObject = static_cast<MG_State::GLState::TextureObjectMipmap*>(textureObject.get());
 
         auto& levelRange = textureMipmapObject->GetLevelRange();
-        MGLOG_D("GetTexImage: mipmap level range = [%d, %d)", levelRange.x(), levelRange.y());
+        MGLOG_D("GetTexImage: mipmap level range = [%d, %d]", levelRange.x(), levelRange.y());
 
-        if (level < levelRange.x() || level >= levelRange.y()) {
-            MGLOG_E("GetTexImage: Requested level %d out of range", level);
-            MOBILEGL_ASSERT(false,
-                            "GetTexImage: Requested level %d is out of range "
-                            "(base level %d, max level %d).",
-                            level, levelRange.x(), levelRange.y());
+        // levelRange.y() is GL_TEXTURE_MAX_LEVEL, an inclusive level index — a single-level
+        // texture has range [0, 0] and level 0 must be readable.
+        if (static_cast<Uint>(level) < levelRange.x() || static_cast<Uint>(level) > levelRange.y()) {
+            MGLOG_E("GetTexImage: Requested level %d is out of range (base level %u, max level %u), skipping readback",
+                    level, levelRange.x(), levelRange.y());
             return;
         }
 
diff --git a/MobileGL/MG_Backend/DirectVulkan/BackendObject_DirectVulkan.cpp b/MobileGL/MG_Backend/DirectVulkan/BackendObject_DirectVulkan.cpp
index 44502133..4f9f4788 100644
--- a/MobileGL/MG_Backend/DirectVulkan/BackendObject_DirectVulkan.cpp
+++ b/MobileGL/MG_Backend/DirectVulkan/BackendObject_DirectVulkan.cpp
@@ -502,7 +502,8 @@ namespace MobileGL::MG_Backend::DirectVulkan {
                                           E_GL_ARB_program_interface_query, E_GL_ARB_framebuffer_object,
                                           E_GL_ARB_multi_draw_indirect, E_GL_ARB_indirect_parameters,
                                           E_GL_EXT_framebuffer_object, E_GL_ARB_depth_texture, E_GL_ARB_buffer_storage,
-                                          E_GL_ARB_texture_storage, E_GL_ARB_direct_state_access,
+                                          E_GL_ARB_texture_storage, E_GL_ARB_texture_storage_multisample,
+                                          E_GL_ARB_direct_state_access,
                                           E_GL_ARB_shader_draw_parameters, E_GL_ARB_gpu_shader_int64, E_GL_KHR_debug,
                                           E_GL_ARB_gpu_shader5, E_GL_ARB_multi_bind, E_GL_ARB_shading_language_420pack,
                                           E_GL_ARB_vertex_attrib_binding, E_GL_ARB_shader_image_size};