[vk, texture_cache] Workaround for games with wrong usage of R32 with float samplers

src/video_core/renderer_vulkan/vk_texture_cache.cpp

@@ -2120,6 +2120,21 @@ ImageView::ImageView(TextureCacheRuntime& runtime, const VideoCommon::ImageViewI
         }
     }
     const auto format_info = MaxwellToVK::SurfaceFormat(*device, FormatType::Optimal, true, format);
+    
+    // This causes validation errors and undefined behavior (flickering, missing geometry) on certain games
+    // Reinterpret R32_UINT as R32_SFLOAT for sampled images to match shader expectations
+    VkFormat view_format = format_info.format;
+    if (view_format == VK_FORMAT_R32_UINT && 
+        !info.IsRenderTarget() &&
+        (ImageUsageFlags(format_info, format) & VK_IMAGE_USAGE_SAMPLED_BIT)) {
+        // Only reinterpret if NOT used as storage image (storage requires matching types)
+        const bool is_storage = (ImageUsageFlags(format_info, format) & VK_IMAGE_USAGE_STORAGE_BIT) != 0;
+        if (!is_storage) {
+            view_format = VK_FORMAT_R32_SFLOAT;
+            LOG_DEBUG(Render_Vulkan, "Reinterpreting R32_UINT as R32_SFLOAT for sampled image compatibility");
+        }
+    }
+    
     if (ImageUsageFlags(format_info, format) != image.UsageFlags()) {
         LOG_WARNING(Render_Vulkan,
                     "Image view format {} has different usage flags than image format {}", format,
@@ -2142,7 +2157,7 @@ ImageView::ImageView(TextureCacheRuntime& runtime, const VideoCommon::ImageViewI
         .flags = 0,
         .image = image.Handle(),
         .viewType = VkImageViewType{},
-        .format = format_info.format,
+        .format = view_format,
         .components{
             .r = requires_identity_swizzle ? VK_COMPONENT_SWIZZLE_IDENTITY : ComponentSwizzle(swizzle[0]),
             .g = requires_identity_swizzle ? VK_COMPONENT_SWIZZLE_IDENTITY : ComponentSwizzle(swizzle[1]),