3 files changed, 13 insertions, 5 deletions

diff --git a/src/video_core/engines/maxwell_3d.cpp b/src/video_core/engines/maxwell_3d.cpp
index 1d1f780e7..58dfa8033 100644
--- a/src/video_core/engines/maxwell_3d.cpp
+++ b/src/video_core/engines/maxwell_3d.cpp
@@ -91,6 +91,7 @@ void Maxwell3D::InitializeRegisterDefaults() {
     regs.rasterize_enable = 1;
     regs.rt_separate_frag_data = 1;
     regs.framebuffer_srgb = 1;
+    regs.cull.front_face = Maxwell3D::Regs::Cull::FrontFace::ClockWise;
 
     mme_inline[MAXWELL3D_REG_INDEX(draw.vertex_end_gl)] = true;
     mme_inline[MAXWELL3D_REG_INDEX(draw.vertex_begin_gl)] = true;
diff --git a/src/video_core/renderer_vulkan/vk_graphics_pipeline.cpp b/src/video_core/renderer_vulkan/vk_graphics_pipeline.cpp
index 2e0536bf6..b155dfb49 100644
--- a/src/video_core/renderer_vulkan/vk_graphics_pipeline.cpp
+++ b/src/video_core/renderer_vulkan/vk_graphics_pipeline.cpp
@@ -191,8 +191,7 @@ UniquePipeline VKGraphicsPipeline::CreatePipeline(const RenderPassParams& render
     const vk::PipelineRasterizationStateCreateInfo rasterizer_ci(
         {}, rs.depth_clamp_enable, false, vk::PolygonMode::eFill,
         rs.cull_enable ? MaxwellToVK::CullFace(rs.cull_face) : vk::CullModeFlagBits::eNone,
-        rs.cull_enable ? MaxwellToVK::FrontFace(rs.front_face) : vk::FrontFace::eCounterClockwise,
-        rs.depth_bias_enable, 0.0f, 0.0f, 0.0f, 1.0f);
+        MaxwellToVK::FrontFace(rs.front_face), rs.depth_bias_enable, 0.0f, 0.0f, 0.0f, 1.0f);
 
     const vk::PipelineMultisampleStateCreateInfo multisampling_ci(
         {}, vk::SampleCountFlagBits::e1, false, 0.0f, nullptr, false, false);
diff --git a/src/video_core/renderer_vulkan/vk_shader_decompiler.cpp b/src/video_core/renderer_vulkan/vk_shader_decompiler.cpp
index 0cf97cafa..dd6d2ef03 100644
--- a/src/video_core/renderer_vulkan/vk_shader_decompiler.cpp
+++ b/src/video_core/renderer_vulkan/vk_shader_decompiler.cpp
@@ -1796,9 +1796,17 @@ private:
         return {};
     }
 
-    Expression UAtomicAdd(Operation) {
-        UNIMPLEMENTED();
-        return {};
+    Expression UAtomicAdd(Operation operation) {
+        const auto& smem = std::get<SmemNode>(*operation[0]);
+        Id address = AsUint(Visit(smem.GetAddress()));
+        address = OpShiftRightLogical(t_uint, address, Constant(t_uint, 2U));
+        const Id pointer = OpAccessChain(t_smem_uint, shared_memory, address);
+
+        const Id scope = Constant(t_uint, static_cast<u32>(spv::Scope::Device));
+        const Id semantics = Constant(t_uint, 0U);
+
+        const Id value = AsUint(Visit(operation[1]));
+        return {OpAtomicIAdd(t_uint, pointer, scope, semantics, value), Type::Uint};
     }
 
     Expression Branch(Operation operation) {