diff --git a/Windows/PPSSPP.vcxproj b/Windows/PPSSPP.vcxproj
index 55a21f5a1d..bef161003e 100644
--- a/Windows/PPSSPP.vcxproj
+++ b/Windows/PPSSPP.vcxproj
@@ -1704,6 +1704,7 @@
   </ItemGroup>
   <ItemGroup>
     <Text Include="..\libretro\CMakeLists.txt" />
+    <Text Include="..\libretro\README_WINDOWS.txt" />
     <Text Include="..\ppge_atlasscript.txt" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
diff --git a/Windows/PPSSPP.vcxproj.filters b/Windows/PPSSPP.vcxproj.filters
index ffbdc51429..141d03a3ca 100644
--- a/Windows/PPSSPP.vcxproj.filters
+++ b/Windows/PPSSPP.vcxproj.filters
@@ -729,5 +729,8 @@
     <Text Include="..\libretro\CMakeLists.txt">
       <Filter>Other Platforms\libretro</Filter>
     </Text>
+    <Text Include="..\libretro\README_WINDOWS.txt">
+      <Filter>Other Platforms\libretro</Filter>
+    </Text>
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/libretro/libretro.cpp b/libretro/libretro.cpp
index bdb5f8d1b1..52ff150474 100644
--- a/libretro/libretro.cpp
+++ b/libretro/libretro.cpp
@@ -34,6 +34,7 @@
 #include "GPU/GPUInterface.h"
 #include "GPU/Common/FramebufferManagerCommon.h"
 #include "GPU/Common/TextureScalerCommon.h"
+#include "GPU/Common/PresentationCommon.h"
 
 #include "libretro/libretro.h"
 #include "libretro/LibretroGraphicsContext.h"
@@ -318,10 +319,8 @@ static void check_variables(CoreParameter &coreParam)
 
    if (!PSP_IsInited() && ppsspp_internal_resolution.Update(&g_Config.iInternalResolution))
    {
-      coreParam.pixelWidth  = coreParam.renderWidth  = 
-         g_Config.iInternalResolution * 480;
-      coreParam.pixelHeight = coreParam.renderHeight = 
-         g_Config.iInternalResolution * 272;
+      coreParam.pixelWidth  = coreParam.renderWidth  = g_Config.iInternalResolution * 480;
+      coreParam.pixelHeight = coreParam.renderHeight = g_Config.iInternalResolution * 272;
 
       if (gpu)
       {
@@ -421,7 +420,7 @@ void retro_get_system_av_info(struct retro_system_av_info *info)
    info->geometry.base_height  = g_Config.iInternalResolution * 272;
    info->geometry.max_width    = g_Config.iInternalResolution * 480;
    info->geometry.max_height   = g_Config.iInternalResolution * 272;
-   info->geometry.aspect_ratio = 16.0 / 9.0;
+   info->geometry.aspect_ratio = 480.0 / 272.0;  // Not 16:9! But very, very close.
 }
 
 unsigned retro_api_version(void) { return RETRO_API_VERSION; }
diff --git a/libretro/libretro_vulkan.cpp b/libretro/libretro_vulkan.cpp
index b046368ae4..1081f95e0b 100644
--- a/libretro/libretro_vulkan.cpp
+++ b/libretro/libretro_vulkan.cpp
@@ -13,6 +13,7 @@
 #include <condition_variable>
 
 #include "Common/Log.h"
+#include "Core/Config.h"
 
 #define VK_NO_PROTOTYPES
 #include "libretro/libretro_vulkan.h"
@@ -134,8 +135,15 @@ static VKAPI_ATTR VkResult VKAPI_CALL vkCreateLibretroSurfaceKHR(VkInstance inst
 VKAPI_ATTR VkResult VKAPI_CALL vkGetPhysicalDeviceSurfaceCapabilitiesKHR_libretro(VkPhysicalDevice physicalDevice, VkSurfaceKHR surface, VkSurfaceCapabilitiesKHR *pSurfaceCapabilities) {
 	VkResult res = vkGetPhysicalDeviceSurfaceCapabilitiesKHR_org(physicalDevice, surface, pSurfaceCapabilities);
 	if (res == VK_SUCCESS) {
-		pSurfaceCapabilities->currentExtent.width = -1;
-		pSurfaceCapabilities->currentExtent.height = -1;
+      int w = g_Config.iInternalResolution * 480;
+      int h = g_Config.iInternalResolution * 272;
+
+      pSurfaceCapabilities->minImageExtent.width = w;
+      pSurfaceCapabilities->minImageExtent.height = h;
+      pSurfaceCapabilities->maxImageExtent.width = w;
+      pSurfaceCapabilities->maxImageExtent.height = h;
+      pSurfaceCapabilities->currentExtent.width = w;
+		pSurfaceCapabilities->currentExtent.height = h;
 	}
 	return res;
 }
@@ -415,7 +423,7 @@ void vk_libretro_set_hwrender_interface(retro_hw_render_interface *hw_render_int
 }
 
 void vk_libretro_shutdown() {
-	memset(&vk_init_info, 0x00, sizeof(vk_init_info));
-	vulkan = NULL;
+	memset(&vk_init_info, 0, sizeof(vk_init_info));
+	vulkan = nullptr;
 	DEDICATED_ALLOCATION = false;
 }