From 25c3bbba0e46d3a3e8648a310e83c3facdb02a5f Mon Sep 17 00:00:00 2001
From: Liam <byteslice@airmail.cc>
Date: Fri, 23 Feb 2024 22:40:48 -0500
Subject: [PATCH] settings: remove global override for smash on amdvlk

---
 src/common/settings.h                         |  2 --
 src/core/core.cpp                             |  8 -----
 .../renderer_vulkan/vk_rasterizer.cpp         | 29 ++-----------------
 3 files changed, 3 insertions(+), 36 deletions(-)

diff --git a/src/common/settings.h b/src/common/settings.h
index b2b071e7e..fa2d08da1 100644
--- a/src/common/settings.h
+++ b/src/common/settings.h
@@ -435,8 +435,6 @@ struct Values {
         linkage, false, "disable_shader_loop_safety_checks", Category::RendererDebug};
     Setting<bool> enable_renderdoc_hotkey{linkage, false, "renderdoc_hotkey",
                                           Category::RendererDebug};
-    // TODO: remove this once AMDVLK supports VK_EXT_depth_bias_control
-    bool renderer_amdvlk_depth_bias_workaround{};
     Setting<bool> disable_buffer_reorder{linkage, false, "disable_buffer_reorder",
                                          Category::RendererDebug};
 
diff --git a/src/core/core.cpp b/src/core/core.cpp
index 9e8936728..dc515bc82 100644
--- a/src/core/core.cpp
+++ b/src/core/core.cpp
@@ -425,11 +425,6 @@ struct System::Impl {
             room_member->SendGameInfo(game_info);
         }
 
-        // Workarounds:
-        // Activate this in Super Smash Brothers Ultimate, it only affects AMD cards using AMDVLK
-        Settings::values.renderer_amdvlk_depth_bias_workaround =
-            params.program_id == 0x1006A800016E000ULL;
-
         status = SystemResultStatus::Success;
         return status;
     }
@@ -489,9 +484,6 @@ struct System::Impl {
             room_member->SendGameInfo(game_info);
         }
 
-        // Workarounds
-        Settings::values.renderer_amdvlk_depth_bias_workaround = false;
-
         LOG_DEBUG(Core, "Shutdown OK");
     }
 
diff --git a/src/video_core/renderer_vulkan/vk_rasterizer.cpp b/src/video_core/renderer_vulkan/vk_rasterizer.cpp
index 6cfec2e6f..84955bdc8 100644
--- a/src/video_core/renderer_vulkan/vk_rasterizer.cpp
+++ b/src/video_core/renderer_vulkan/vk_rasterizer.cpp
@@ -1054,39 +1054,16 @@ void RasterizerVulkan::UpdateDepthBias(Tegra::Engines::Maxwell3D::Regs& regs) {
                         regs.zeta.format == Tegra::DepthFormat::X8Z24_UNORM ||
                         regs.zeta.format == Tegra::DepthFormat::S8Z24_UNORM ||
                         regs.zeta.format == Tegra::DepthFormat::V8Z24_UNORM;
-    bool force_unorm = ([&] {
-        if (!is_d24 || device.SupportsD24DepthBuffer()) {
-            return false;
-        }
-        if (device.IsExtDepthBiasControlSupported()) {
-            return true;
-        }
+    if (is_d24 && !device.SupportsD24DepthBuffer() && program_id == 0x1006A800016E000ULL) {
         // Only activate this in Super Smash Brothers Ultimate
-        // Affects AMD cards using AMDVLK
-        if (program_id != 0x1006A800016E000ULL) {
-            return false;
-        }
         // the base formulas can be obtained from here:
         //   https://docs.microsoft.com/en-us/windows/win32/direct3d11/d3d10-graphics-programming-guide-output-merger-stage-depth-bias
         const double rescale_factor =
             static_cast<double>(1ULL << (32 - 24)) / (static_cast<double>(0x1.ep+127));
         units = static_cast<float>(static_cast<double>(units) * rescale_factor);
-        return false;
-    })();
+    }
     scheduler.Record([constant = units, clamp = regs.depth_bias_clamp,
-                      factor = regs.slope_scale_depth_bias, force_unorm,
-                      precise = device.HasExactDepthBiasControl()](vk::CommandBuffer cmdbuf) {
-        if (force_unorm) {
-            VkDepthBiasRepresentationInfoEXT info{
-                .sType = VK_STRUCTURE_TYPE_DEPTH_BIAS_REPRESENTATION_INFO_EXT,
-                .pNext = nullptr,
-                .depthBiasRepresentation =
-                    VK_DEPTH_BIAS_REPRESENTATION_LEAST_REPRESENTABLE_VALUE_FORCE_UNORM_EXT,
-                .depthBiasExact = precise ? VK_TRUE : VK_FALSE,
-            };
-            cmdbuf.SetDepthBias(constant, clamp, factor, &info);
-            return;
-        }
+                      factor = regs.slope_scale_depth_bias](vk::CommandBuffer cmdbuf) {
         cmdbuf.SetDepthBias(constant, clamp, factor);
     });
 }