12 files changed, 39 insertions, 52 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/core/hle/service/nvdrv/devices/nvhost_gpu.cpp b/src/core/hle/service/nvdrv/devices/nvhost_gpu.cpp
index bf12d69a5..efc9cca1c 100644
--- a/src/core/hle/service/nvdrv/devices/nvhost_gpu.cpp
+++ b/src/core/hle/service/nvdrv/devices/nvhost_gpu.cpp
@@ -5,6 +5,7 @@
 #include "common/assert.h"
 #include "common/logging/log.h"
 #include "core/core.h"
+#include "core/hle/kernel/k_process.h"
 #include "core/hle/service/nvdrv/core/container.h"
 #include "core/hle/service/nvdrv/core/nvmap.h"
 #include "core/hle/service/nvdrv/core/syncpoint_manager.h"
@@ -75,7 +76,7 @@ NvResult nvhost_gpu::Ioctl1(DeviceFD fd, Ioctl command, std::span<const u8> inpu
         case 0xd:
             return WrapFixed(this, &nvhost_gpu::SetChannelPriority, input, output);
         case 0x1a:
-            return WrapFixed(this, &nvhost_gpu::AllocGPFIFOEx2, input, output);
+            return WrapFixed(this, &nvhost_gpu::AllocGPFIFOEx2, input, output, fd);
         case 0x1b:
             return WrapFixedVariable(this, &nvhost_gpu::SubmitGPFIFOBase1, input, output, true);
         case 0x1d:
@@ -120,8 +121,13 @@ NvResult nvhost_gpu::Ioctl3(DeviceFD fd, Ioctl command, std::span<const u8> inpu
     return NvResult::NotImplemented;
 }
 
-void nvhost_gpu::OnOpen(NvCore::SessionId session_id, DeviceFD fd) {}
-void nvhost_gpu::OnClose(DeviceFD fd) {}
+void nvhost_gpu::OnOpen(NvCore::SessionId session_id, DeviceFD fd) {
+    sessions[fd] = session_id;
+}
+
+void nvhost_gpu::OnClose(DeviceFD fd) {
+    sessions.erase(fd);
+}
 
 NvResult nvhost_gpu::SetNVMAPfd(IoctlSetNvmapFD& params) {
     LOG_DEBUG(Service_NVDRV, "called, fd={}", params.nvmap_fd);
@@ -161,7 +167,7 @@ NvResult nvhost_gpu::SetChannelPriority(IoctlChannelSetPriority& params) {
     return NvResult::Success;
 }
 
-NvResult nvhost_gpu::AllocGPFIFOEx2(IoctlAllocGpfifoEx2& params) {
+NvResult nvhost_gpu::AllocGPFIFOEx2(IoctlAllocGpfifoEx2& params, DeviceFD fd) {
     LOG_WARNING(Service_NVDRV,
                 "(STUBBED) called, num_entries={:X}, flags={:X}, unk0={:X}, "
                 "unk1={:X}, unk2={:X}, unk3={:X}",
@@ -173,7 +179,12 @@ NvResult nvhost_gpu::AllocGPFIFOEx2(IoctlAllocGpfifoEx2& params) {
         return NvResult::AlreadyAllocated;
     }
 
-    system.GPU().InitChannel(*channel_state);
+    u64 program_id{};
+    if (auto* const session = core.GetSession(sessions[fd]); session != nullptr) {
+        program_id = session->process->GetProgramId();
+    }
+
+    system.GPU().InitChannel(*channel_state, program_id);
 
     params.fence_out = syncpoint_manager.GetSyncpointFence(channel_syncpoint);
 
diff --git a/src/core/hle/service/nvdrv/devices/nvhost_gpu.h b/src/core/hle/service/nvdrv/devices/nvhost_gpu.h
index e34a978db..e0aeef953 100644
--- a/src/core/hle/service/nvdrv/devices/nvhost_gpu.h
+++ b/src/core/hle/service/nvdrv/devices/nvhost_gpu.h
@@ -192,7 +192,7 @@ private:
     NvResult ZCullBind(IoctlZCullBind& params);
     NvResult SetErrorNotifier(IoctlSetErrorNotifier& params);
     NvResult SetChannelPriority(IoctlChannelSetPriority& params);
-    NvResult AllocGPFIFOEx2(IoctlAllocGpfifoEx2& params);
+    NvResult AllocGPFIFOEx2(IoctlAllocGpfifoEx2& params, DeviceFD fd);
     NvResult AllocateObjectContext(IoctlAllocObjCtx& params);
 
     NvResult SubmitGPFIFOImpl(IoctlSubmitGpfifo& params, Tegra::CommandList&& entries);
@@ -210,6 +210,7 @@ private:
     NvCore::SyncpointManager& syncpoint_manager;
     NvCore::NvMap& nvmap;
     std::shared_ptr<Tegra::Control::ChannelState> channel_state;
+    std::unordered_map<DeviceFD, NvCore::SessionId> sessions;
     u32 channel_syncpoint;
     std::mutex channel_mutex;
 
diff --git a/src/video_core/control/channel_state.cpp b/src/video_core/control/channel_state.cpp
index 832025d75..2539997d5 100644
--- a/src/video_core/control/channel_state.cpp
+++ b/src/video_core/control/channel_state.cpp
@@ -16,8 +16,9 @@ namespace Tegra::Control {
 
 ChannelState::ChannelState(s32 bind_id_) : bind_id{bind_id_}, initialized{} {}
 
-void ChannelState::Init(Core::System& system, GPU& gpu) {
+void ChannelState::Init(Core::System& system, GPU& gpu, u64 program_id_) {
     ASSERT(memory_manager);
+    program_id = program_id_;
     dma_pusher = std::make_unique<Tegra::DmaPusher>(system, gpu, *memory_manager, *this);
     maxwell_3d = std::make_unique<Engines::Maxwell3D>(system, *memory_manager);
     fermi_2d = std::make_unique<Engines::Fermi2D>(*memory_manager);
diff --git a/src/video_core/control/channel_state.h b/src/video_core/control/channel_state.h
index 3a7b9872c..b385f4939 100644
--- a/src/video_core/control/channel_state.h
+++ b/src/video_core/control/channel_state.h
@@ -40,11 +40,12 @@ struct ChannelState {
     ChannelState(ChannelState&& other) noexcept = default;
     ChannelState& operator=(ChannelState&& other) noexcept = default;
 
-    void Init(Core::System& system, GPU& gpu);
+    void Init(Core::System& system, GPU& gpu, u64 program_id);
 
     void BindRasterizer(VideoCore::RasterizerInterface* rasterizer);
 
     s32 bind_id = -1;
+    u64 program_id = 0;
     /// 3D engine
     std::unique_ptr<Engines::Maxwell3D> maxwell_3d;
     /// 2D engine
diff --git a/src/video_core/control/channel_state_cache.cpp b/src/video_core/control/channel_state_cache.cpp
index 4ebeb6356..f8c6a762d 100644
--- a/src/video_core/control/channel_state_cache.cpp
+++ b/src/video_core/control/channel_state_cache.cpp
@@ -7,7 +7,7 @@ namespace VideoCommon {
 
 ChannelInfo::ChannelInfo(Tegra::Control::ChannelState& channel_state)
     : maxwell3d{*channel_state.maxwell_3d}, kepler_compute{*channel_state.kepler_compute},
-      gpu_memory{*channel_state.memory_manager} {}
+      gpu_memory{*channel_state.memory_manager}, program_id{channel_state.program_id} {}
 
 template class VideoCommon::ChannelSetupCaches<VideoCommon::ChannelInfo>;
 
diff --git a/src/video_core/control/channel_state_cache.h b/src/video_core/control/channel_state_cache.h
index 1dbfda299..7480d60d1 100644
--- a/src/video_core/control/channel_state_cache.h
+++ b/src/video_core/control/channel_state_cache.h
@@ -39,6 +39,7 @@ public:
     Tegra::Engines::Maxwell3D& maxwell3d;
     Tegra::Engines::KeplerCompute& kepler_compute;
     Tegra::MemoryManager& gpu_memory;
+    u64 program_id;
 };
 
 template <class P>
@@ -77,9 +78,10 @@ protected:
     P* channel_state;
     size_t current_channel_id{UNSET_CHANNEL};
     size_t current_address_space{};
-    Tegra::Engines::Maxwell3D* maxwell3d;
-    Tegra::Engines::KeplerCompute* kepler_compute;
-    Tegra::MemoryManager* gpu_memory;
+    Tegra::Engines::Maxwell3D* maxwell3d{};
+    Tegra::Engines::KeplerCompute* kepler_compute{};
+    Tegra::MemoryManager* gpu_memory{};
+    u64 program_id{};
 
     std::deque<P> channel_storage;
     std::deque<size_t> free_channel_ids;
diff --git a/src/video_core/control/channel_state_cache.inc b/src/video_core/control/channel_state_cache.inc
index 31f792ddd..d882d8222 100644
--- a/src/video_core/control/channel_state_cache.inc
+++ b/src/video_core/control/channel_state_cache.inc
@@ -58,6 +58,7 @@ void ChannelSetupCaches<P>::BindToChannel(s32 id) {
     maxwell3d = &channel_state->maxwell3d;
     kepler_compute = &channel_state->kepler_compute;
     gpu_memory = &channel_state->gpu_memory;
+    program_id = channel_state->program_id;
     current_address_space = gpu_memory->GetID();
 }
 
@@ -76,6 +77,7 @@ void ChannelSetupCaches<P>::EraseChannel(s32 id) {
         maxwell3d = nullptr;
         kepler_compute = nullptr;
         gpu_memory = nullptr;
+        program_id = 0;
     } else if (current_channel_id != UNSET_CHANNEL) {
         channel_state = &channel_storage[current_channel_id];
     }
diff --git a/src/video_core/gpu.cpp b/src/video_core/gpu.cpp
index 8e663f2a8..6d0b32339 100644
--- a/src/video_core/gpu.cpp
+++ b/src/video_core/gpu.cpp
@@ -67,8 +67,8 @@ struct GPU::Impl {
         return CreateChannel(new_channel_id++);
     }
 
-    void InitChannel(Control::ChannelState& to_init) {
-        to_init.Init(system, gpu);
+    void InitChannel(Control::ChannelState& to_init, u64 program_id) {
+        to_init.Init(system, gpu, program_id);
         to_init.BindRasterizer(rasterizer);
         rasterizer->InitializeChannel(to_init);
     }
@@ -412,8 +412,8 @@ std::shared_ptr<Control::ChannelState> GPU::AllocateChannel() {
     return impl->AllocateChannel();
 }
 
-void GPU::InitChannel(Control::ChannelState& to_init) {
-    impl->InitChannel(to_init);
+void GPU::InitChannel(Control::ChannelState& to_init, u64 program_id) {
+    impl->InitChannel(to_init, program_id);
 }
 
 void GPU::BindChannel(s32 channel_id) {
diff --git a/src/video_core/gpu.h b/src/video_core/gpu.h
index ad535512c..50014e51f 100644
--- a/src/video_core/gpu.h
+++ b/src/video_core/gpu.h
@@ -149,7 +149,7 @@ public:
 
     std::shared_ptr<Control::ChannelState> AllocateChannel();
 
-    void InitChannel(Control::ChannelState& to_init);
+    void InitChannel(Control::ChannelState& to_init, u64 program_id);
 
     void BindChannel(s32 channel_id);
 
diff --git a/src/video_core/renderer_vulkan/vk_rasterizer.cpp b/src/video_core/renderer_vulkan/vk_rasterizer.cpp
index 74f9f099e..84955bdc8 100644
--- a/src/video_core/renderer_vulkan/vk_rasterizer.cpp
+++ b/src/video_core/renderer_vulkan/vk_rasterizer.cpp
@@ -1054,37 +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 (!Settings::values.renderer_amdvlk_depth_bias_workaround) {
-            return false;
-        }
+    if (is_d24 && !device.SupportsD24DepthBuffer() && program_id == 0x1006A800016E000ULL) {
+        // Only activate this in Super Smash Brothers Ultimate
         // 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);
     });
 }