From 7e1fc154c7ed0237e72d69dd718ab62ae81df97d Mon Sep 17 00:00:00 2001
From: CamilleLaVey <camillelavey99@gmail.com>
Date: Wed, 29 Jul 2026 04:04:37 -0400
Subject: [PATCH] [TEST] Quick corrections

---
 .../renderer_vulkan/fixed_pipeline_state.cpp  |  5 ++-
 .../renderer_vulkan/vk_texture_cache.cpp      | 39 ++++++++++---------
 2 files changed, 24 insertions(+), 20 deletions(-)

diff --git a/src/video_core/renderer_vulkan/fixed_pipeline_state.cpp b/src/video_core/renderer_vulkan/fixed_pipeline_state.cpp
index d74831c529..cc99fc562b 100644
--- a/src/video_core/renderer_vulkan/fixed_pipeline_state.cpp
+++ b/src/video_core/renderer_vulkan/fixed_pipeline_state.cpp
@@ -368,8 +368,11 @@ bool IsDepthClipEnabled(const Maxwell& regs) {
 }
 
 bool IsDepthClampEnabled(const Maxwell& regs, bool has_depth_clip_enable) {
+    if (!IsDepthClipEnabled(regs)) {
+        return true;
+    }
     if (!has_depth_clip_enable) {
-        return !IsDepthClipEnabled(regs);
+        return false;
     }
     return regs.viewport_clip_control.pixel_min_z.Value() != 0 ||
            regs.viewport_clip_control.pixel_max_z.Value() != 0;
diff --git a/src/video_core/renderer_vulkan/vk_texture_cache.cpp b/src/video_core/renderer_vulkan/vk_texture_cache.cpp
index 9199d7f2e8..cd869403b9 100644
--- a/src/video_core/renderer_vulkan/vk_texture_cache.cpp
+++ b/src/video_core/renderer_vulkan/vk_texture_cache.cpp
@@ -895,6 +895,15 @@ void BlitScale(Scheduler& scheduler, VkImage src_image, VkImage dst_image, const
                        0, nullptr, nullptr, write_barriers);
     });
 }
+
+[[nodiscard]] bool CanBlitNatively(const Device& device, PixelFormat format) {
+    static constexpr auto OPTIMAL_FORMAT = FormatType::Optimal;
+    static constexpr VkFormatFeatureFlags BLIT_USAGE =
+        VK_FORMAT_FEATURE_BLIT_SRC_BIT | VK_FORMAT_FEATURE_BLIT_DST_BIT;
+    const VkFormat vk_format =
+        MaxwellToVK::SurfaceFormat(device, OPTIMAL_FORMAT, false, format).format;
+    return device.IsFormatSupported(vk_format, BLIT_USAGE, OPTIMAL_FORMAT);
+}
 } // Anonymous namespace
 
 TextureCacheRuntime::TextureCacheRuntime(const Device& device_, Scheduler& scheduler_,
@@ -1227,27 +1236,19 @@ void TextureCacheRuntime::BlitImage(Framebuffer* dst_framebuffer, ImageView& dst
         blit_image_helper.ResolveDepthStencil(dst_framebuffer, src, dst_region, src_region);
         return;
     }
-    if (aspect_mask == (VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT)) {
-        const auto format = src.format;
-        const auto can_blit_depth_stencil = [this, format] {
-            switch (format) {
-            case VideoCore::Surface::PixelFormat::D24_UNORM_S8_UINT:
-            case VideoCore::Surface::PixelFormat::S8_UINT_D24_UNORM:
-                return device.IsBlitDepth24Stencil8Supported();
-            case VideoCore::Surface::PixelFormat::D32_FLOAT_S8_UINT:
-                return device.IsBlitDepth32Stencil8Supported();
-            default:
-                UNREACHABLE();
-            }
-        }();
-        // Use shader-based depth/stencil blits if hardware doesn't support the format
-        // Note: MSAA resolves (MSAA->single) use vkCmdResolveImage which works fine
-        if (!can_blit_depth_stencil) {
-            UNIMPLEMENTED_IF(is_src_msaa || is_dst_msaa);
-            blit_image_helper.BlitDepthStencil(dst_framebuffer, src, dst_region, src_region,
-                                               filter, operation);
+    static constexpr VkImageAspectFlags DEPTH_STENCIL_ASPECTS =
+        VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT;
+    if ((aspect_mask & DEPTH_STENCIL_ASPECTS) != 0 && !CanBlitNatively(device, src.format)) {
+        if (aspect_mask != DEPTH_STENCIL_ASPECTS) {
+            UNIMPLEMENTED_MSG("Host cannot blit format {} and no helper path exists for aspect "
+                              "mask 0x{:x}",
+                              src.format, aspect_mask);
             return;
         }
+        UNIMPLEMENTED_IF(is_src_msaa || is_dst_msaa);
+        blit_image_helper.BlitDepthStencil(dst_framebuffer, src, dst_region, src_region, filter,
+                                           operation);
+        return;
     }
     ASSERT(!(is_dst_msaa && !is_src_msaa));
     ASSERT(operation == Fermi2D::Operation::SrcCopy);