diff --git a/src/video_core/renderer_vulkan/maxwell_to_vk.cpp b/src/video_core/renderer_vulkan/maxwell_to_vk.cpp
index a08f2f67f..eba3a1a20 100644
--- a/src/video_core/renderer_vulkan/maxwell_to_vk.cpp
+++ b/src/video_core/renderer_vulkan/maxwell_to_vk.cpp
@@ -76,7 +76,18 @@ VkSamplerAddressMode WrapMode(const Device& device, Tegra::Texture::WrapMode wra
     case Tegra::Texture::WrapMode::MirrorOnceClampToEdge:
         return VK_SAMPLER_ADDRESS_MODE_MIRROR_CLAMP_TO_EDGE;
     case Tegra::Texture::WrapMode::MirrorOnceBorder:
-        UNIMPLEMENTED();
+        // GL_MIRROR_CLAMP_TO_BORDER
+        if (device.GetDriverID() == VK_DRIVER_ID_NVIDIA_PROPRIETARY) {
+            return static_cast<VkSamplerAddressMode>(0x8912); // GL_MIRROR_CLAMP_TO_BORDER_EXT
+        }
+        // Fallback
+        return VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_BORDER;
+    case Tegra::Texture::WrapMode::MirrorOnceClampOGL:
+        // GL_MIRROR_CLAMP
+        if (device.GetDriverID() == VK_DRIVER_ID_NVIDIA_PROPRIETARY) {
+            return static_cast<VkSamplerAddressMode>(0x8742); // GL_MIRROR_CLAMP_EXT
+        }
+        // Fallback: MIRROR_CLAMP_TO_EDGE is the closest approximation
         return VK_SAMPLER_ADDRESS_MODE_MIRROR_CLAMP_TO_EDGE;
     default:
         UNIMPLEMENTED_MSG("Unimplemented wrap mode={}", wrap_mode);
diff --git a/src/video_core/texture_cache/texture_cache.h b/src/video_core/texture_cache/texture_cache.h
index feb1c575e..dbe3a539c 100644
--- a/src/video_core/texture_cache/texture_cache.h
+++ b/src/video_core/texture_cache/texture_cache.h
@@ -1493,7 +1493,21 @@ ImageId TextureCache<P>::JoinImages(const ImageInfo& info, GPUVAddr gpu_addr, DA
     for (const ImageId overlap_id : join_ignore_textures) {
         Image& overlap = slot_images[overlap_id];
         if (True(overlap.flags & ImageFlagBits::GpuModified)) {
-            UNIMPLEMENTED();
+            new_image.flags |= ImageFlagBits::GpuModified;
+            const auto base = new_image.TryFindBase(overlap.gpu_addr);
+            if (base) {
+                const auto& resolution = Settings::values.resolution_info;
+                const u32 up_scale = can_rescale ? resolution.up_scale : 1;
+                const u32 down_shift = can_rescale ? resolution.down_shift : 0;
+                auto copies = MakeShrinkImageCopies(new_info, overlap.info, base.value(),
+                                                    up_scale, down_shift);
+                if (overlap.info.num_samples != new_image.info.num_samples) {
+                    runtime.CopyImageMSAA(new_image, overlap, std::move(copies));
+                } else {
+                    runtime.CopyImage(new_image, overlap, std::move(copies));
+                }
+                new_image.modification_tick = overlap.modification_tick;
+            }
         }
         if (True(overlap.flags & ImageFlagBits::Tracked)) {
             UntrackImage(overlap, overlap_id);