[Refactor] (MG_Backend/DirectVulkan): make the renderer's two file-scope singletons inline

MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.cpp

@@ -406,8 +406,9 @@ namespace MobileGL::MG_Backend::DirectVulkan {
         };
         DynamicTailKey dynamicTailKey{};
     };
-    // Per Magma session (MagmaSession.h): it shadows the session's own command buffer.
-    static SessionLocal<DynamicStateShadow> g_dynamicStateShadow;
+    // Per Magma session (MagmaSession.h): it shadows the session's own command buffer. Inline,
+    // so every file of the renderer shares the one instance.
+    inline SessionLocal<DynamicStateShadow> g_dynamicStateShadow;
 
     // ---- D12.3: DynamicTailKey's inputs against the P2 chunk table ----
     //

MobileGL/MG_Backend/DirectVulkan/Renderer/WireFramebuffer.inc

@@ -116,8 +116,8 @@
     // that exists for the device WITHOUT them, which is where the session used to die at
     // `Magma:multisample-depth-resolve-capability` - would never execute under any lane. The
     // knob drops the extension arm. It does not pretend the extension is missing anywhere else:
-    // nothing but the arm choice reads it.
-    static Bool MagmaWireForcedShaderDepthResolve() {
+    // nothing but the arm choice reads it. Inline, so the renderer reads the variable once.
+    inline Bool MagmaWireForcedShaderDepthResolve() {
         static const Bool forced = [] {
             const char* value = std::getenv("MGITEST_MAGMA_FORCE_SHADER_DEPTH_RESOLVE");
             return value && *value && value[0] != '0';