From d0353b538922675e66ca2a2d6415f57a18a68c64 Mon Sep 17 00:00:00 2001
From: YaaZ <764610@gmail.com>
Date: Wed, 15 Oct 2025 20:30:30 +0200
Subject: [PATCH 1/2] Add VMA_RESULT for possible success codes

---
 include/vk_mem_alloc.h | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/include/vk_mem_alloc.h b/include/vk_mem_alloc.h
index 77d41a79..d42b4731 100644
--- a/include/vk_mem_alloc.h
+++ b/include/vk_mem_alloc.h
@@ -273,6 +273,13 @@ extern "C" {
     #define VMA_EXTENDS_VK_STRUCT(vkStruct)
 #endif
 
+// Define this macro to decorate the return type with possible success return codes.
+// Undecorated functions are assumed to return VK_SUCCESS on success.
+// Error codes are not included there.
+#ifndef VMA_RESULT()
+    #define VMA_RESULT(...)
+#endif
+
 // Define this macro to decorate pointers with an attribute specifying the
 // length of the array they point to if they are not null.
 //
@@ -2528,7 +2535,7 @@ VMA_CALL_PRE void VMA_CALL_POST vmaEndDefragmentation(
 - `VK_INCOMPLETE` if there are pending moves returned in `pPassInfo`. You need to perform them, call vmaEndDefragmentationPass(),
   and then preferably try another pass with vmaBeginDefragmentationPass().
 */
-VMA_CALL_PRE VkResult VMA_CALL_POST vmaBeginDefragmentationPass(
+VMA_CALL_PRE VMA_RESULT(VK_SUCCESS, VK_INCOMPLETE) VkResult VMA_CALL_POST vmaBeginDefragmentationPass(
     VmaAllocator VMA_NOT_NULL allocator,
     VmaDefragmentationContext VMA_NOT_NULL context,
     VmaDefragmentationPassMoveInfo* VMA_NOT_NULL pPassInfo);
@@ -2551,7 +2558,7 @@ After this call:
 
 If no more moves are possible you can end whole defragmentation.
 */
-VMA_CALL_PRE VkResult VMA_CALL_POST vmaEndDefragmentationPass(
+VMA_CALL_PRE VMA_RESULT(VK_SUCCESS, VK_INCOMPLETE) VkResult VMA_CALL_POST vmaEndDefragmentationPass(
     VmaAllocator VMA_NOT_NULL allocator,
     VmaDefragmentationContext VMA_NOT_NULL context,
     VmaDefragmentationPassMoveInfo* VMA_NOT_NULL pPassInfo);

From a2a39f0f16547c800d1548f597d9ca17c850b096 Mon Sep 17 00:00:00 2001
From: Nikita Gubarkov <764610@gmail.com>
Date: Thu, 16 Oct 2025 01:42:59 +0200
Subject: [PATCH 2/2] Fix #ifndef

---
 include/vk_mem_alloc.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/vk_mem_alloc.h b/include/vk_mem_alloc.h
index d42b4731..6558c23f 100644
--- a/include/vk_mem_alloc.h
+++ b/include/vk_mem_alloc.h
@@ -276,7 +276,7 @@ extern "C" {
 // Define this macro to decorate the return type with possible success return codes.
 // Undecorated functions are assumed to return VK_SUCCESS on success.
 // Error codes are not included there.
-#ifndef VMA_RESULT()
+#ifndef VMA_RESULT
     #define VMA_RESULT(...)
 #endif