[MG_Pipe] (Disaggregated): P5f fe - retain live capture snapshots across make-current

MobileGL/MG_Backend/DirectGLES/DirectGLES.cpp

@@ -1993,7 +1993,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
             xfb.scattered = false;
             xfb.scatterProgram.reset();
 #if MOBILEGL_BUILD_DISAGGREGATED
-            xfb.scatterArchive.reset();
+                xfb.scatterArchive.reset();
 #endif
             xfb.scatterCapacityVertices = 0;
             if (program->NeedsScatteredTransformFeedbackCapture()) {

MobileGL/MG_Pipe/PipeApply.cpp

@@ -1381,7 +1381,9 @@ namespace MobileGL::MG_Pipe {
         g_applier.BoundShaderCso = kMGPipeNullHandle;
 #if MOBILEGL_BUILD_DISAGGREGATED
         g_applier.BoundStreamOutputLifetimeId = 0;
-        g_applier.StreamOutputSpans.clear();
+        // Begin is emitted once per span, not on make-current. Its immutable object
+        // snapshot survives with the resource/program records until End or release;
+        // set_context_values restores the returning context's bound lifetime id.
 #endif
         // P5e (sb, CONTRACT-P5E.md §5.6): the three binding-point windows are per-context
         // WORKING state and go with the rest of it - a returning context has its own
@@ -1586,6 +1588,9 @@ namespace MobileGL::MG_Pipe {
         // memory the rule exists to stop it reading. One store, inert until the caps bit is
         // published, and it is what makes the two roles' third clause the same clause.
         g_applier.IsTransformFeedbackActive = values.IsTransformFeedbackActive != 0;
+#if MOBILEGL_BUILD_DISAGGREGATED
+        g_applier.BoundStreamOutputLifetimeId = values.BoundTransformFeedbackLifetimeId;
+#endif
     }
 
     void MGPipeApplySetPatchState(const MGPPatchState& patch) {