diff --git a/core/hw/pvr/ta_ctx.h b/core/hw/pvr/ta_ctx.h
index 40f9b6dc1..fbc08df9d 100644
--- a/core/hw/pvr/ta_ctx.h
+++ b/core/hw/pvr/ta_ctx.h
@@ -184,12 +184,12 @@ struct TA_context
 	{
 		tad.Reset((u8*)OS_aligned_malloc(32, 8*1024*1024));
 
-		rend.verts.InitBytes(1024*1024,&rend.Overrun); //up to 1 mb of vtx data/frame = ~ 38k vtx/frame
-		rend.idx.Init(60*1024,&rend.Overrun);			//up to 60K indexes ( idx have stripification overhead )
+		rend.verts.InitBytes(2*1024*1024,&rend.Overrun); //up to 2 MB of vtx data/frame = ~ 75k vtx/frame
+		rend.idx.Init(120*1024,&rend.Overrun);			//up to 120K indexes ( idx have stripification overhead )
 		rend.global_param_op.Init(4096,&rend.Overrun);
 		rend.global_param_pt.Init(4096,&rend.Overrun);
 		rend.global_param_mvo.Init(4096,&rend.Overrun);
-		rend.global_param_tr.Init(4096,&rend.Overrun);
+		rend.global_param_tr.Init(8192,&rend.Overrun);
 
 		rend.modtrig.Init(8192,&rend.Overrun);
 		
diff --git a/core/hw/pvr/ta_vtx.cpp b/core/hw/pvr/ta_vtx.cpp
index ccd750c9d..0177d9f9e 100644
--- a/core/hw/pvr/ta_vtx.cpp
+++ b/core/hw/pvr/ta_vtx.cpp
@@ -1490,11 +1490,14 @@ bool ta_parse_vdrc(TA_context* ctx)
 
 		rv = true; //whatever
 	}
+	bool overrun = ctx->rend.Overrun;
 
 	vd_ctx->rend = vd_rc;
 	vd_ctx = 0;
 	ctx->rend_inuse.Unlock();
 
+	ctx->rend.Overrun = overrun;
+
 	return rv;
 }
 
diff --git a/core/rend/gles/gles.cpp b/core/rend/gles/gles.cpp
index 80eaea832..b8f6b9634 100755
--- a/core/rend/gles/gles.cpp
+++ b/core/rend/gles/gles.cpp
@@ -1420,7 +1420,10 @@ bool ProcessFrame(TA_context* ctx)
 
 	CollectCleanup();
 
-	return true;
+	if (ctx->rend.Overrun)
+		printf("ERROR: TA context overrun\n");
+
+	return !ctx->rend.Overrun;
 }
 
 bool RenderFrame()