From 6eec277428449df74a46afa1d636d4269db3e3da Mon Sep 17 00:00:00 2001
From: CamilleLaVey <camillelavey99@gmail.com>
Date: Sun, 5 Jul 2026 00:07:41 -0400
Subject: [PATCH] [vulkan] Silence unimplemented format entry

---
 src/video_core/renderer_vulkan/vk_rasterizer.cpp | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/video_core/renderer_vulkan/vk_rasterizer.cpp b/src/video_core/renderer_vulkan/vk_rasterizer.cpp
index 3030f23410..26663d4b25 100644
--- a/src/video_core/renderer_vulkan/vk_rasterizer.cpp
+++ b/src/video_core/renderer_vulkan/vk_rasterizer.cpp
@@ -1728,9 +1728,12 @@ void RasterizerVulkan::UpdateBlending(Tegra::Engines::Maxwell3D::Regs& regs) {
     if (state_tracker.TouchBlendEnable()) {
         std::array<VkBool32, Maxwell::NumRenderTargets> setup_enables{};
         for (size_t index = 0; index < Maxwell::NumRenderTargets; index++) {
-            const auto format =
-                VideoCore::Surface::PixelFormatFromRenderTargetFormat(regs.rt[index].format);
-            const bool is_integer = IsPixelFormatInteger(format);
+            bool is_integer = false;
+            if (regs.rt[index].format != Tegra::RenderTargetFormat::NONE) {
+                const auto format =
+                    VideoCore::Surface::PixelFormatFromRenderTargetFormat(regs.rt[index].format);
+                is_integer = IsPixelFormatInteger(format);
+            }
             setup_enables[index] =
                 (!is_integer && regs.blend.enable[index] != 0) ? VK_TRUE : VK_FALSE;
         }