From 629d1f3609bf7afbdcde8dfc94f0eeb0fca83e44 Mon Sep 17 00:00:00 2001
From: CamilleLaVey <camillelavey99@gmail.com>
Date: Tue, 25 Nov 2025 08:58:52 -0400
Subject: [PATCH] [vk, qcom] Returning forced SScaled and UScaled formats
 emulations to Adreno.

---
 src/video_core/vulkan_common/vulkan_device.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/video_core/vulkan_common/vulkan_device.cpp b/src/video_core/vulkan_common/vulkan_device.cpp
index 2786acf9b3..6a2231d6fe 100644
--- a/src/video_core/vulkan_common/vulkan_device.cpp
+++ b/src/video_core/vulkan_common/vulkan_device.cpp
@@ -494,6 +494,11 @@ Device::Device(VkInstance instance_, vk::PhysicalDevice physical_, VkSurfaceKHR
     CollectToolingInfo();
 
     if (is_qualcomm) {
+        // Qualcomm Adreno GPUs doesn't handle scaled vertex attributes; keep emulation enabled
+        must_emulate_scaled_formats = true;
+        LOG_WARNING(Render_Vulkan,
+                    "Qualcomm drivers require scaled vertex format emulation; forcing fallback");
+
         LOG_WARNING(Render_Vulkan,
                     "Disabling shader float controls and 64-bit integer features on Qualcomm proprietary drivers");
         RemoveExtension(extensions.shader_float_controls, VK_KHR_SHADER_FLOAT_CONTROLS_EXTENSION_NAME);