Add and update some comments.

Common/Vulkan/VulkanContext.h

@@ -306,6 +306,8 @@ public:
 		return swapchainFormat_;
 	}
 
+	// 1 for no frame overlap and thus minimal latency but worst performance.
+	// 2 is an OK compromise, while 3 performs best but risks slightly higher latency.
 	enum {
 		MAX_INFLIGHT_FRAMES = 3,
 	};

Common/Vulkan/VulkanImage.h

@@ -35,6 +35,7 @@ public:
 	void UploadMip(VkCommandBuffer cmd, int mip, int mipWidth, int mipHeight, VkBuffer buffer, uint32_t offset, size_t rowLength);  // rowLength is in pixels
 	void EndCreate(VkCommandBuffer cmd);
 
+	// Dangerous.
 	void TransitionForUpload(VkCommandBuffer cmd);
 
 	int GetNumMips() const { return numMips_; }

Core/Core.vcxproj

@@ -236,7 +236,10 @@
     <ClCompile Include="FileSystems\VirtualDiscFileSystem.cpp" />
     <ClCompile Include="Font\PGF.cpp" />
     <ClCompile Include="HDRemaster.cpp" />
-    <ClCompile Include="HLE\HLE.cpp" />
+    <ClCompile Include="HLE\HLE.cpp">
+      <Optimization Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">MaxSpeed</Optimization>
+      <BasicRuntimeChecks Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">Default</BasicRuntimeChecks>
+    </ClCompile>
     <ClCompile Include="HLE\HLEHelperThread.cpp" />
     <ClCompile Include="HLE\HLETables.cpp" />
     <ClCompile Include="HLE\proAdhoc.cpp" />

GPU/D3D11/TextureCacheD3D11.cpp

@@ -514,9 +514,6 @@ void TextureCacheD3D11::BuildTexture(TexCacheEntry *const entry, bool replaceIma
 		}
 	}
 
-	// If GLES3 is available, we can preallocate the storage, which makes texture loading more efficient.
-	DXGI_FORMAT dstFmt = GetDestFormat(GETextureFormat(entry->format), gstate.getClutPaletteFormat());
-
 	int scaleFactor = standardScaleFactor_;
 
 	// Rachet down scale factor in low-memory mode.
@@ -573,6 +570,8 @@ void TextureCacheD3D11::BuildTexture(TexCacheEntry *const entry, bool replaceIma
 		maxLevel = 0;
 	}
 
+	DXGI_FORMAT dstFmt = GetDestFormat(GETextureFormat(entry->format), gstate.getClutPaletteFormat());
+
 	if (IsFakeMipmapChange()) {
 		// NOTE: Since the level is not part of the cache key, we assume it never changes.
 		u8 level = std::max(0, gstate.getTexLevelOffset16() / 16);