From 86224e49eff50073f22ab5aaa766608586cdab58 Mon Sep 17 00:00:00 2001
From: CamilleLaVey <camillelavey99@gmail.com>
Date: Fri, 31 Jul 2026 20:46:07 -0400
Subject: [PATCH] Test on depth bias

---
 src/video_core/renderer_vulkan/vk_rasterizer.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/video_core/renderer_vulkan/vk_rasterizer.cpp b/src/video_core/renderer_vulkan/vk_rasterizer.cpp
index 32a0a9ca55..f7046777db 100644
--- a/src/video_core/renderer_vulkan/vk_rasterizer.cpp
+++ b/src/video_core/renderer_vulkan/vk_rasterizer.cpp
@@ -1330,6 +1330,13 @@ void RasterizerVulkan::UpdateDepthBias(Tegra::Engines::Maxwell3D::Regs& regs) {
                         regs.zeta.format == Tegra::DepthFormat::S8Z24_UNORM ||
                         regs.zeta.format == Tegra::DepthFormat::V8Z24_UNORM;
 
+    const bool is_float_depth = regs.zeta.format == Tegra::DepthFormat::Z32_FLOAT ||
+                                regs.zeta.format == Tegra::DepthFormat::Z32_FLOAT_X24S8_UINT;
+
+    if (is_float_depth && !device.IsExtDepthBiasControlSupported()) {
+        units /= static_cast<float>(1ULL << (32 - 24));
+    }
+
     if (is_d24 && !device.SupportsD24DepthBuffer()) {
         static constexpr const size_t length = sizeof(NEEDS_D24) / sizeof(NEEDS_D24[0]);