good for both eastl and stl

Author: Mike-Leo-Smith

src/backends/dx/DXRuntime/Device.cpp

@@ -470,12 +470,12 @@ void process_dxgi_error(HRESULT hr) {
         int32 LastCompletedOp = *node->pLastBreadcrumbValue;
         if (LastCompletedOp != node->BreadcrumbCount && LastCompletedOp != 0) {
             if (node->pCommandListDebugNameW) {
-                result += luisa::format<luisa::wstring>(L"Command list debug name: {}\n", node->pCommandListDebugNameW);
+                luisa::format_to(std::back_inserter(result), L"Command list debug name: {}\n", node->pCommandListDebugNameW);
             }
             if (node->pCommandQueueDebugNameW) {
-                result += luisa::format<luisa::wstring>(L"Command queue debug name: {}\n", node->pCommandQueueDebugNameW);
+                luisa::format_to(std::back_inserter(result), L"Command queue debug name: {}\n", node->pCommandQueueDebugNameW);
             }
-            result += luisa::format(L"DRED: {} completed of {}\n", LastCompletedOp, node->BreadcrumbCount);
+            luisa::format_to(std::back_inserter(result), L"DRED: {} completed of {}\n", LastCompletedOp, node->BreadcrumbCount);
             TracedCommandLists++;
             int32 FirstOp = std::max(LastCompletedOp - 100, 0);
             int32 LastOp = std::min(LastCompletedOp + 20, int32(node->BreadcrumbCount) - 1);
@@ -493,26 +493,27 @@ void process_dxgi_error(HRESULT hr) {
                 }
                 luisa::wstring OpName = (BreadcrumbOp < std::size(OpNames)) ? OpNames[BreadcrumbOp] : L"Unknown Op";
                 luisa::wstring State = Op < LastCompletedOp ? L"[ok]" : (Op == LastCompletedOp ? L"[Active]" : L"[ ]");
-                result += luisa::format(L"\t{} Op: {}, {} {} {}\n", State, Op, OpName, ContextStr, (Op + 1 == LastCompletedOp) ? L" - LAST COMPLETED" : L"");
+                luisa::format_to(std::back_inserter(result), L"\t{} Op: {}, {} {} {}\n", State, Op, OpName, ContextStr, (Op + 1 == LastCompletedOp) ? L" - LAST COMPLETED" : L"");
             }
         }
         node = node->pNext;
     }
     if (TracedCommandLists == 0) {
         result += L"DRED: No command list found with active outstanding operations (all finished or not started yet)\n";
     }
-    result += luisa::format(L"page fault VA: {}\n", DredPageFaultOutput.PageFaultVA);
+    luisa::format_to(std::back_inserter(result), L"page fault VA: {}\n", DredPageFaultOutput.PageFaultVA);
 
     for (auto node = DredPageFaultOutput.pHeadExistingAllocationNode; node != nullptr; node = node->pNext) {
         if (node->ObjectNameW) {
-            result += luisa::format<luisa::wstring>(L"Exists object name {}\n", node->ObjectNameW);
+            luisa::format_to(std::back_inserter(result), L"Exists object name {}\n", node->ObjectNameW);
         }
     }
     for (auto node = DredPageFaultOutput.pHeadRecentFreedAllocationNode; node != nullptr; node = node->pNext) {
         if (node->ObjectNameW) {
-            result += luisa::format<luisa::wstring>(L"Freed object name {}\n", node->ObjectNameW);
+            luisa::format_to(std::back_inserter(result), L"Freed object name {}\n", node->ObjectNameW);
         }
     }
     LUISA_WARNING(luisa::string(result.begin(), result.end()));
 }
-}// namespace lc::dx
+
+}// namespace lc::dx