13 files changed, 68 insertions, 90 deletions
diff --git a/src/core/file_sys/patch_manager.cpp b/src/core/file_sys/patch_manager.cpp
index 0bca055878..cc7af2ea30 100644
--- a/src/core/file_sys/patch_manager.cpp
+++ b/src/core/file_sys/patch_manager.cpp
@@ -429,10 +429,6 @@ VirtualFile PatchManager::PatchRomFS(const NCA* base_nca, VirtualFile base_romfs
         LOG_DEBUG(Loader, "{}", log_string);
     }
 
-    if (base_romfs == nullptr) {
-        return base_romfs;
-    }
-
     auto romfs = base_romfs;
 
     // Game Updates
diff --git a/src/core/file_sys/romfs.cpp b/src/core/file_sys/romfs.cpp
index 1eb1f439ab..6de2103a0c 100644
--- a/src/core/file_sys/romfs.cpp
+++ b/src/core/file_sys/romfs.cpp
@@ -3,6 +3,7 @@
 
 #include <memory>
 
+#include "common/assert.h"
 #include "common/common_types.h"
 #include "common/string_util.h"
 #include "common/swap.h"
@@ -101,24 +102,30 @@ void ProcessDirectory(const VirtualFile& file, std::size_t dir_offset, std::size
 } // Anonymous namespace
 
 VirtualDir ExtractRomFS(VirtualFile file) {
+    auto root_container = std::make_shared<VectorVfsDirectory>();
+    if (!file) {
+        return root_container;
+    }
+
     RomFSHeader header{};
-    if (file->ReadObject(&header) != sizeof(RomFSHeader))
-        return nullptr;
+    if (file->ReadObject(&header) != sizeof(RomFSHeader)) {
+        return root_container;
+    }
 
-    if (header.header_size != sizeof(RomFSHeader))
-        return nullptr;
+    if (header.header_size != sizeof(RomFSHeader)) {
+        return root_container;
+    }
 
     const u64 file_offset = header.file_meta.offset;
     const u64 dir_offset = header.directory_meta.offset;
 
-    auto root_container = std::make_shared<VectorVfsDirectory>();
-
     ProcessDirectory(file, dir_offset, file_offset, header.data_offset, 0, root_container);
 
     if (auto root = root_container->GetSubdirectory(""); root) {
         return std::make_shared<CachedVfsDirectory>(std::move(root));
     }
 
+    ASSERT(false);
     return nullptr;
 }
 
diff --git a/src/core/file_sys/romfs_factory.cpp b/src/core/file_sys/romfs_factory.cpp
index 1bc07dae5a..35e1499055 100644
--- a/src/core/file_sys/romfs_factory.cpp
+++ b/src/core/file_sys/romfs_factory.cpp
@@ -22,7 +22,7 @@ RomFSFactory::RomFSFactory(Loader::AppLoader& app_loader, ContentProvider& provi
     : content_provider{provider}, filesystem_controller{controller} {
     // Load the RomFS from the app
     if (app_loader.ReadRomFS(file) != Loader::ResultStatus::Success) {
-        LOG_ERROR(Service_FS, "Unable to read RomFS!");
+        LOG_WARNING(Service_FS, "Unable to read base RomFS");
     }
 
     updatable = app_loader.IsRomFSUpdatable();
diff --git a/src/core/loader/nca.cpp b/src/core/loader/nca.cpp
index 4feb6968ae..8144075358 100644
--- a/src/core/loader/nca.cpp
+++ b/src/core/loader/nca.cpp
@@ -74,10 +74,8 @@ AppLoader_NCA::LoadResult AppLoader_NCA::Load(Kernel::KProcess& process, Core::S
         return load_result;
     }
 
-    if (nca->GetRomFS() != nullptr && nca->GetRomFS()->GetSize() > 0) {
-        system.GetFileSystemController().RegisterRomFS(std::make_unique<FileSys::RomFSFactory>(
-            *this, system.GetContentProvider(), system.GetFileSystemController()));
-    }
+    system.GetFileSystemController().RegisterRomFS(std::make_unique<FileSys::RomFSFactory>(
+        *this, system.GetContentProvider(), system.GetFileSystemController()));
 
     is_loaded = true;
     return load_result;
diff --git a/src/shader_recompiler/backend/glsl/glsl_emit_context.cpp b/src/shader_recompiler/backend/glsl/glsl_emit_context.cpp
index fd9a99449d..b2ceeefc45 100644
--- a/src/shader_recompiler/backend/glsl/glsl_emit_context.cpp
+++ b/src/shader_recompiler/backend/glsl/glsl_emit_context.cpp
@@ -1,6 +1,7 @@
 // SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
+#include "common/div_ceil.h"
 #include "shader_recompiler/backend/bindings.h"
 #include "shader_recompiler/backend/glsl/glsl_emit_context.h"
 #include "shader_recompiler/frontend/ir/program.h"
@@ -431,9 +432,11 @@ void EmitContext::DefineConstantBuffers(Bindings& bindings) {
     }
     for (const auto& desc : info.constant_buffer_descriptors) {
         const auto cbuf_type{profile.has_gl_cbuf_ftou_bug ? "uvec4" : "vec4"};
+        const u32 cbuf_used_size{Common::DivCeil(info.constant_buffer_used_sizes[desc.index], 16U)};
+        const u32 cbuf_binding_size{info.uses_global_memory ? 0x1000U : cbuf_used_size};
         header += fmt::format("layout(std140,binding={}) uniform {}_cbuf_{}{{{} {}_cbuf{}[{}];}};",
                               bindings.uniform_buffer, stage_name, desc.index, cbuf_type,
-                              stage_name, desc.index, 4 * 1024);
+                              stage_name, desc.index, cbuf_binding_size);
         bindings.uniform_buffer += desc.count;
     }
 }
diff --git a/src/video_core/renderer_opengl/gl_buffer_cache.cpp b/src/video_core/renderer_opengl/gl_buffer_cache.cpp
index ed188b435b..e6c70fb343 100644
--- a/src/video_core/renderer_opengl/gl_buffer_cache.cpp
+++ b/src/video_core/renderer_opengl/gl_buffer_cache.cpp
@@ -53,13 +53,11 @@ Buffer::Buffer(BufferCacheRuntime& runtime, VideoCore::RasterizerInterface& rast
                VAddr cpu_addr_, u64 size_bytes_)
     : VideoCommon::BufferBase<VideoCore::RasterizerInterface>(rasterizer_, cpu_addr_, size_bytes_) {
     buffer.Create();
-    const std::string name = fmt::format("Buffer 0x{:x}", CpuAddr());
-    glObjectLabel(GL_BUFFER, buffer.handle, static_cast<GLsizei>(name.size()), name.data());
-    glNamedBufferData(buffer.handle, SizeBytes(), nullptr, GL_DYNAMIC_DRAW);
-
-    if (runtime.has_unified_vertex_buffers) {
-        glGetNamedBufferParameterui64vNV(buffer.handle, GL_BUFFER_GPU_ADDRESS_NV, &address);
+    if (runtime.device.HasDebuggingToolAttached()) {
+        const std::string name = fmt::format("Buffer 0x{:x}", CpuAddr());
+        glObjectLabel(GL_BUFFER, buffer.handle, static_cast<GLsizei>(name.size()), name.data());
     }
+    glNamedBufferData(buffer.handle, SizeBytes(), nullptr, GL_DYNAMIC_DRAW);
 }
 
 void Buffer::ImmediateUpload(size_t offset, std::span<const u8> data) noexcept {
@@ -111,7 +109,6 @@ BufferCacheRuntime::BufferCacheRuntime(const Device& device_,
     : device{device_}, staging_buffer_pool{staging_buffer_pool_},
       has_fast_buffer_sub_data{device.HasFastBufferSubData()},
       use_assembly_shaders{device.UseAssemblyShaders()},
-      has_unified_vertex_buffers{device.HasVertexBufferUnifiedMemory()},
       stream_buffer{has_fast_buffer_sub_data ? std::nullopt : std::make_optional<StreamBuffer>()} {
     GLint gl_max_attributes;
     glGetIntegerv(GL_MAX_VERTEX_ATTRIBS, &gl_max_attributes);
@@ -123,16 +120,18 @@ BufferCacheRuntime::BufferCacheRuntime(const Device& device_,
                               GL_STREAM_DRAW);
         }
     }
-    for (auto& stage_uniforms : copy_uniforms) {
-        for (OGLBuffer& buffer : stage_uniforms) {
+    if (use_assembly_shaders) {
+        for (auto& stage_uniforms : copy_uniforms) {
+            for (OGLBuffer& buffer : stage_uniforms) {
+                buffer.Create();
+                glNamedBufferData(buffer.handle, 0x10'000, nullptr, GL_STREAM_COPY);
+            }
+        }
+        for (OGLBuffer& buffer : copy_compute_uniforms) {
             buffer.Create();
             glNamedBufferData(buffer.handle, 0x10'000, nullptr, GL_STREAM_COPY);
         }
     }
-    for (OGLBuffer& buffer : copy_compute_uniforms) {
-        buffer.Create();
-        glNamedBufferData(buffer.handle, 0x10'000, nullptr, GL_STREAM_COPY);
-    }
 
     device_access_memory = [this]() -> u64 {
         if (device.CanReportMemoryUsage()) {
@@ -211,14 +210,8 @@ void BufferCacheRuntime::ClearBuffer(Buffer& dest_buffer, u32 offset, size_t siz
 }
 
 void BufferCacheRuntime::BindIndexBuffer(Buffer& buffer, u32 offset, u32 size) {
-    if (has_unified_vertex_buffers) {
-        buffer.MakeResident(GL_READ_ONLY);
-        glBufferAddressRangeNV(GL_ELEMENT_ARRAY_ADDRESS_NV, 0, buffer.HostGpuAddr() + offset,
-                               static_cast<GLsizeiptr>(Common::AlignUp(size, 4)));
-    } else {
-        glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buffer.Handle());
-        index_buffer_offset = offset;
-    }
+    glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buffer.Handle());
+    index_buffer_offset = offset;
 }
 
 void BufferCacheRuntime::BindVertexBuffer(u32 index, Buffer& buffer, u32 offset, u32 size,
@@ -226,24 +219,23 @@ void BufferCacheRuntime::BindVertexBuffer(u32 index, Buffer& buffer, u32 offset,
     if (index >= max_attributes) {
         return;
     }
-    if (has_unified_vertex_buffers) {
-        buffer.MakeResident(GL_READ_ONLY);
-        glBindVertexBuffer(index, 0, 0, static_cast<GLsizei>(stride));
-        glBufferAddressRangeNV(GL_VERTEX_ATTRIB_ARRAY_ADDRESS_NV, index,
-                               buffer.HostGpuAddr() + offset, static_cast<GLsizeiptr>(size));
-    } else {
-        glBindVertexBuffer(index, buffer.Handle(), static_cast<GLintptr>(offset),
-                           static_cast<GLsizei>(stride));
-    }
+    glBindVertexBuffer(index, buffer.Handle(), static_cast<GLintptr>(offset),
+                       static_cast<GLsizei>(stride));
 }
 
 void BufferCacheRuntime::BindVertexBuffers(VideoCommon::HostBindings<Buffer>& bindings) {
-    for (u32 index = 0; index < bindings.buffers.size(); ++index) {
-        BindVertexBuffer(bindings.min_index + index, *bindings.buffers[index],
-                         static_cast<u32>(bindings.offsets[index]),
-                         static_cast<u32>(bindings.sizes[index]),
-                         static_cast<u32>(bindings.strides[index]));
-    }
+    // TODO: Should HostBindings provide the correct runtime types to avoid these transforms?
+    std::array<GLuint, 32> buffer_handles;
+    std::array<GLsizei, 32> buffer_strides;
+    std::ranges::transform(bindings.buffers, buffer_handles.begin(),
+                           [](const Buffer* const buffer) { return buffer->Handle(); });
+    std::ranges::transform(bindings.strides, buffer_strides.begin(),
+                           [](u64 stride) { return static_cast<GLsizei>(stride); });
+    const u32 count =
+        std::min(static_cast<u32>(bindings.buffers.size()), max_attributes - bindings.min_index);
+    glBindVertexBuffers(bindings.min_index, static_cast<GLsizei>(count), buffer_handles.data(),
+                        reinterpret_cast<const GLintptr*>(bindings.offsets.data()),
+                        buffer_strides.data());
 }
 
 void BufferCacheRuntime::BindUniformBuffer(size_t stage, u32 binding_index, Buffer& buffer,
@@ -335,11 +327,13 @@ void BufferCacheRuntime::BindTransformFeedbackBuffer(u32 index, Buffer& buffer,
 }
 
 void BufferCacheRuntime::BindTransformFeedbackBuffers(VideoCommon::HostBindings<Buffer>& bindings) {
-    for (u32 index = 0; index < bindings.buffers.size(); ++index) {
-        glBindBufferRange(GL_TRANSFORM_FEEDBACK_BUFFER, index, bindings.buffers[index]->Handle(),
-                          static_cast<GLintptr>(bindings.offsets[index]),
-                          static_cast<GLsizeiptr>(bindings.sizes[index]));
-    }
+    std::array<GLuint, 4> buffer_handles;
+    std::ranges::transform(bindings.buffers, buffer_handles.begin(),
+                           [](const Buffer* const buffer) { return buffer->Handle(); });
+    glBindBuffersRange(GL_TRANSFORM_FEEDBACK_BUFFER, 0,
+                       static_cast<GLsizei>(bindings.buffers.size()), buffer_handles.data(),
+                       reinterpret_cast<const GLintptr*>(bindings.offsets.data()),
+                       reinterpret_cast<const GLsizeiptr*>(bindings.strides.data()));
 }
 
 void BufferCacheRuntime::BindTextureBuffer(Buffer& buffer, u32 offset, u32 size,
diff --git a/src/video_core/renderer_opengl/gl_buffer_cache.h b/src/video_core/renderer_opengl/gl_buffer_cache.h
index 1e8708f59e..71cd45d35c 100644
--- a/src/video_core/renderer_opengl/gl_buffer_cache.h
+++ b/src/video_core/renderer_opengl/gl_buffer_cache.h
@@ -209,7 +209,6 @@ private:
 
     bool has_fast_buffer_sub_data = false;
     bool use_assembly_shaders = false;
-    bool has_unified_vertex_buffers = false;
 
     bool use_storage_buffers = false;
 
diff --git a/src/video_core/renderer_opengl/gl_device.cpp b/src/video_core/renderer_opengl/gl_device.cpp
index 993438a27b..a6c93068fc 100644
--- a/src/video_core/renderer_opengl/gl_device.cpp
+++ b/src/video_core/renderer_opengl/gl_device.cpp
@@ -200,7 +200,6 @@ Device::Device(Core::Frontend::EmuWindow& emu_window) {
     has_broken_texture_view_formats = is_amd || (!is_linux && is_intel);
     has_nv_viewport_array2 = GLAD_GL_NV_viewport_array2;
     has_derivative_control = GLAD_GL_ARB_derivative_control;
-    has_vertex_buffer_unified_memory = GLAD_GL_NV_vertex_buffer_unified_memory;
     has_debugging_tool_attached = IsDebugToolAttached(extensions);
     has_depth_buffer_float = HasExtension(extensions, "GL_NV_depth_buffer_float");
     has_geometry_shader_passthrough = GLAD_GL_NV_geometry_shader_passthrough;
diff --git a/src/video_core/renderer_opengl/gl_device.h b/src/video_core/renderer_opengl/gl_device.h
index a5a6bbbba7..96034ea4a1 100644
--- a/src/video_core/renderer_opengl/gl_device.h
+++ b/src/video_core/renderer_opengl/gl_device.h
@@ -72,10 +72,6 @@ public:
         return has_texture_shadow_lod;
     }
 
-    bool HasVertexBufferUnifiedMemory() const {
-        return has_vertex_buffer_unified_memory;
-    }
-
     bool HasASTC() const {
         return has_astc;
     }
@@ -215,7 +211,6 @@ private:
     bool has_vertex_viewport_layer{};
     bool has_image_load_formatted{};
     bool has_texture_shadow_lod{};
-    bool has_vertex_buffer_unified_memory{};
     bool has_astc{};
     bool has_variable_aoffi{};
     bool has_component_indexing_bug{};
diff --git a/src/video_core/renderer_opengl/renderer_opengl.cpp b/src/video_core/renderer_opengl/renderer_opengl.cpp
index 6b8d4e554d..6bfed08a1f 100644
--- a/src/video_core/renderer_opengl/renderer_opengl.cpp
+++ b/src/video_core/renderer_opengl/renderer_opengl.cpp
@@ -168,15 +168,6 @@ RendererOpenGL::RendererOpenGL(Core::TelemetrySession& telemetry_session_,
     if (!GLAD_GL_ARB_seamless_cubemap_per_texture && !GLAD_GL_AMD_seamless_cubemap_per_texture) {
         glEnable(GL_TEXTURE_CUBE_MAP_SEAMLESS);
     }
-    // Enable unified vertex attributes and query vertex buffer address when the driver supports it
-    if (device.HasVertexBufferUnifiedMemory()) {
-        glEnableClientState(GL_VERTEX_ATTRIB_ARRAY_UNIFIED_NV);
-        glEnableClientState(GL_ELEMENT_ARRAY_UNIFIED_NV);
-
-        glMakeNamedBufferResidentNV(vertex_buffer.handle, GL_READ_ONLY);
-        glGetNamedBufferParameterui64vNV(vertex_buffer.handle, GL_BUFFER_GPU_ADDRESS_NV,
-                                         &vertex_buffer_address);
-    }
 }
 
 RendererOpenGL::~RendererOpenGL() = default;
@@ -680,13 +671,7 @@ void RendererOpenGL::DrawScreen(const Layout::FramebufferLayout& layout) {
                          offsetof(ScreenRectVertex, tex_coord));
     glVertexAttribBinding(PositionLocation, 0);
     glVertexAttribBinding(TexCoordLocation, 0);
-    if (device.HasVertexBufferUnifiedMemory()) {
-        glBindVertexBuffer(0, 0, 0, sizeof(ScreenRectVertex));
-        glBufferAddressRangeNV(GL_VERTEX_ATTRIB_ARRAY_ADDRESS_NV, 0, vertex_buffer_address,
-                               sizeof(vertices));
-    } else {
-        glBindVertexBuffer(0, vertex_buffer.handle, 0, sizeof(ScreenRectVertex));
-    }
+    glBindVertexBuffer(0, vertex_buffer.handle, 0, sizeof(ScreenRectVertex));
 
     if (Settings::values.scaling_filter.GetValue() != Settings::ScalingFilter::NearestNeighbor) {
         glBindSampler(0, present_sampler.handle);
diff --git a/src/video_core/renderer_vulkan/vk_rasterizer.cpp b/src/video_core/renderer_vulkan/vk_rasterizer.cpp
index 07222e603b..b6f52e017f 100644
--- a/src/video_core/renderer_vulkan/vk_rasterizer.cpp
+++ b/src/video_core/renderer_vulkan/vk_rasterizer.cpp
@@ -75,14 +75,20 @@ VkViewport GetViewportState(const Device& device, const Maxwell& regs, size_t in
     const float width = conv(src.scale_x * 2.0f);
     float y = conv(src.translate_y - src.scale_y);
     float height = conv(src.scale_y * 2.0f);
-    bool y_negate = regs.window_origin.mode != Maxwell::WindowOrigin::Mode::UpperLeft;
 
-    if (!device.IsNvViewportSwizzleSupported()) {
-        y_negate = y_negate != (src.swizzle.y == Maxwell::ViewportSwizzle::NegativeY);
+    const bool lower_left = regs.window_origin.mode != Maxwell::WindowOrigin::Mode::UpperLeft;
+    const bool y_negate = !device.IsNvViewportSwizzleSupported() &&
+                          src.swizzle.y == Maxwell::ViewportSwizzle::NegativeY;
+
+    if (lower_left) {
+        // Flip by surface clip height
+        y += conv(static_cast<f32>(regs.surface_clip.height));
+        height = -height;
     }
 
     if (y_negate) {
-        y += conv(static_cast<f32>(regs.surface_clip.height));
+        // Flip by viewport height
+        y += height;
         height = -height;
     }
 
diff --git a/src/yuzu/configuration/qt_config.cpp b/src/yuzu/configuration/qt_config.cpp
index 5a8e69aa9d..636c5e6400 100644
--- a/src/yuzu/configuration/qt_config.cpp
+++ b/src/yuzu/configuration/qt_config.cpp
@@ -225,7 +225,8 @@ void QtConfig::ReadPathValues() {
     UISettings::values.recent_files =
         QString::fromStdString(ReadStringSetting(std::string("recentFiles")))
             .split(QStringLiteral(", "), Qt::SkipEmptyParts, Qt::CaseSensitive);
-    UISettings::values.language = ReadStringSetting(std::string("language"), std::string(""));
+    UISettings::values.language =
+        ReadStringSetting(std::string("language"), std::make_optional(std::string("")));
 
     EndGroup();
 }
diff --git a/src/yuzu/main.cpp b/src/yuzu/main.cpp
index 10c7882906..b056c37171 100644
--- a/src/yuzu/main.cpp
+++ b/src/yuzu/main.cpp
@@ -2713,11 +2713,6 @@ void GMainWindow::OnGameListDumpRomFS(u64 program_id, const std::string& game_pa
     }
 
     const auto base_romfs = base_nca->GetRomFS();
-    if (!base_romfs) {
-        failed();
-        return;
-    }
-
     const auto dump_dir =
         target == DumpRomFSTarget::Normal
             ? Common::FS::GetYuzuPath(Common::FS::YuzuPath::DumpDir)