From e6bdb0fdf7e745955a74379935d85d6584bb7192 Mon Sep 17 00:00:00 2001
From: goldislead <69987043+goldislead@users.noreply.github.com>
Date: Thu, 6 Aug 2026 13:41:00 -0700
Subject: [PATCH] [Vulkan] Skip draws with surface_pitch==0 to match D3D12

Realistically only affects memexport draws.

Co-authored-by: Herman S. <429230+has207@users.noreply.github.com>
---
 src/xenia/gpu/vulkan/vulkan_command_processor.cc | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/xenia/gpu/vulkan/vulkan_command_processor.cc b/src/xenia/gpu/vulkan/vulkan_command_processor.cc
index 2ddfb57d3..684abaf56 100644
--- a/src/xenia/gpu/vulkan/vulkan_command_processor.cc
+++ b/src/xenia/gpu/vulkan/vulkan_command_processor.cc
@@ -2392,6 +2392,13 @@ bool VulkanCommandProcessor::IssueDraw(xenos::PrimitiveType prim_type,
     return IssueCopy();
   }
 
+  if (regs.Get<reg::RB_SURFACE_INFO>().surface_pitch == 0) {
+    // Doesn't actually draw. Matches the Direct3D 12 backend.
+    // TODO(Triang3l): Do something so memexport still works in this case maybe?
+    // Unlikely that zero would even really be legal though.
+    return true;
+  }
+
   const ui::vulkan::VulkanDevice::Properties& device_properties =
       GetVulkanDevice()->properties();