dxvk: log VkResult from vkAllocateMemory on allocation failure

Author: isygold

src/dxvk/dxvk_memory.cpp

@@ -1329,11 +1329,16 @@ namespace dxvk {
     DxvkDeviceMemory result = { };
     result.size = size;
 
-    if (vk->vkAllocateMemory(vk->device(), &memoryInfo, nullptr, &result.memory)) {
+    if (VkResult vr = vk->vkAllocateMemory(vk->device(), &memoryInfo, nullptr, &result.memory)) {
       freeEmptyChunksInHeap(*type.heap, VkDeviceSize(-1), high_resolution_clock::time_point());
 
-      if (vk->vkAllocateMemory(vk->device(), &memoryInfo, nullptr, &result.memory))
+      if ((vr = vk->vkAllocateMemory(vk->device(), &memoryInfo, nullptr, &result.memory))) {
+        Logger::warn(str::format("DxvkMemoryAllocator: vkAllocateMemory failed",
+          "\n  size:   ", std::dec, size,
+          "\n  type:   ", type.index,
+          "\n  result: ", vr));
         return DxvkDeviceMemory();
+      }
     }
 
     // Technically redundant if EXT_memory_priority is also supported, but this shouldn't hurt