31 files changed, 353 insertions, 149 deletions

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 95d54dadc..d7f68618c 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -85,6 +85,7 @@ if (MSVC)
         /wd4100 # 'identifier': unreferenced formal parameter
         /wd4324 # 'struct_name': structure was padded due to __declspec(align())
         /wd4201 # nonstandard extension used : nameless struct/union
+        /wd4702 # unreachable code (when used with LTO)
     )
 
     if (USE_CCACHE OR YUZU_USE_PRECOMPILED_HEADERS)
diff --git a/src/audio_core/adsp/apps/audio_renderer/audio_renderer.cpp b/src/audio_core/adsp/apps/audio_renderer/audio_renderer.cpp
index 3da342ea3..2e549bc6f 100644
--- a/src/audio_core/adsp/apps/audio_renderer/audio_renderer.cpp
+++ b/src/audio_core/adsp/apps/audio_renderer/audio_renderer.cpp
@@ -88,8 +88,13 @@ MailboxMessage AudioRenderer::Receive(Direction dir, bool block) {
     return mailbox.Receive(dir, block);
 }
 
-void AudioRenderer::SetCommandBuffer(s32 session_id, CommandBuffer& buffer) noexcept {
-    command_buffers[session_id] = buffer;
+void AudioRenderer::SetCommandBuffer(s32 session_id, CpuAddr buffer, u64 size, u64 time_limit,
+                                     u64 applet_resource_user_id, bool reset) noexcept {
+    command_buffers[session_id].buffer = buffer;
+    command_buffers[session_id].size = size;
+    command_buffers[session_id].time_limit = time_limit;
+    command_buffers[session_id].applet_resource_user_id = applet_resource_user_id;
+    command_buffers[session_id].reset_buffer = reset;
 }
 
 u32 AudioRenderer::GetRemainCommandCount(s32 session_id) const noexcept {
diff --git a/src/audio_core/adsp/apps/audio_renderer/audio_renderer.h b/src/audio_core/adsp/apps/audio_renderer/audio_renderer.h
index b225e10fb..3f5b7dca2 100644
--- a/src/audio_core/adsp/apps/audio_renderer/audio_renderer.h
+++ b/src/audio_core/adsp/apps/audio_renderer/audio_renderer.h
@@ -75,7 +75,8 @@ public:
     void Send(Direction dir, MailboxMessage message);
     MailboxMessage Receive(Direction dir, bool block = true);
 
-    void SetCommandBuffer(s32 session_id, CommandBuffer& buffer) noexcept;
+    void SetCommandBuffer(s32 session_id, CpuAddr buffer, u64 size, u64 time_limit,
+                          u64 applet_resource_user_id, bool reset) noexcept;
     u32 GetRemainCommandCount(s32 session_id) const noexcept;
     void ClearRemainCommandCount(s32 session_id) noexcept;
     u64 GetRenderingStartTick(s32 session_id) const noexcept;
diff --git a/src/audio_core/adsp/apps/audio_renderer/command_list_processor.cpp b/src/audio_core/adsp/apps/audio_renderer/command_list_processor.cpp
index acbc9100c..24e4d0496 100644
--- a/src/audio_core/adsp/apps/audio_renderer/command_list_processor.cpp
+++ b/src/audio_core/adsp/apps/audio_renderer/command_list_processor.cpp
@@ -37,11 +37,6 @@ u32 CommandListProcessor::GetRemainingCommandCount() const {
     return command_count - processed_command_count;
 }
 
-void CommandListProcessor::SetBuffer(const CpuAddr buffer, const u64 size) {
-    commands = reinterpret_cast<u8*>(buffer + sizeof(Renderer::CommandListHeader));
-    commands_buffer_size = size;
-}
-
 Sink::SinkStream* CommandListProcessor::GetOutputSinkStream() const {
     return stream;
 }
diff --git a/src/audio_core/adsp/apps/audio_renderer/command_list_processor.h b/src/audio_core/adsp/apps/audio_renderer/command_list_processor.h
index 9d6fe1851..4e5fb793e 100644
--- a/src/audio_core/adsp/apps/audio_renderer/command_list_processor.h
+++ b/src/audio_core/adsp/apps/audio_renderer/command_list_processor.h
@@ -57,14 +57,6 @@ public:
     u32 GetRemainingCommandCount() const;
 
     /**
-     * Set the command buffer.
-     *
-     * @param buffer - The buffer to use.
-     * @param size   - The size of the buffer.
-     */
-    void SetBuffer(CpuAddr buffer, u64 size);
-
-    /**
      * Get the stream for this command list.
      *
      * @return The stream associated with this command list.
diff --git a/src/audio_core/renderer/command/data_source/adpcm.cpp b/src/audio_core/renderer/command/data_source/adpcm.cpp
index 28e76fdcc..e7f82d3b3 100644
--- a/src/audio_core/renderer/command/data_source/adpcm.cpp
+++ b/src/audio_core/renderer/command/data_source/adpcm.cpp
@@ -20,6 +20,12 @@ void AdpcmDataSourceVersion1Command::Process(const AudioRenderer::CommandListPro
     auto out_buffer{processor.mix_buffers.subspan(output_index * processor.sample_count,
                                                   processor.sample_count)};
 
+    for (auto& wave_buffer : wave_buffers) {
+        wave_buffer.loop_start_offset = wave_buffer.start_offset;
+        wave_buffer.loop_end_offset = wave_buffer.end_offset;
+        wave_buffer.loop_count = wave_buffer.loop ? -1 : 0;
+    }
+
     DecodeFromWaveBuffersArgs args{
         .sample_format{SampleFormat::Adpcm},
         .output{out_buffer},
diff --git a/src/audio_core/renderer/command/data_source/decode.cpp b/src/audio_core/renderer/command/data_source/decode.cpp
index 762aec8ad..911dae3c1 100644
--- a/src/audio_core/renderer/command/data_source/decode.cpp
+++ b/src/audio_core/renderer/command/data_source/decode.cpp
@@ -123,11 +123,13 @@ static u32 DecodeAdpcm(Core::Memory::Memory& memory, std::span<s16> out_buffer,
         return 0;
     }
 
-    auto samples_to_process{
-        std::min(req.end_offset - req.start_offset - req.offset, req.samples_to_read)};
+    auto start_pos{req.start_offset + req.offset};
+    auto samples_to_process{std::min(req.end_offset - start_pos, req.samples_to_read)};
+    if (samples_to_process == 0) {
+        return 0;
+    }
 
     auto samples_to_read{samples_to_process};
-    auto start_pos{req.start_offset + req.offset};
     auto samples_remaining_in_frame{start_pos % SamplesPerFrame};
     auto position_in_frame{(start_pos / SamplesPerFrame) * NibblesPerFrame +
                            samples_remaining_in_frame};
@@ -225,13 +227,24 @@ static u32 DecodeAdpcm(Core::Memory::Memory& memory, std::span<s16> out_buffer,
  * @param args   - The wavebuffer data, and information for how to decode it.
  */
 void DecodeFromWaveBuffers(Core::Memory::Memory& memory, const DecodeFromWaveBuffersArgs& args) {
+    static constexpr auto EndWaveBuffer = [](auto& voice_state, auto& wavebuffer, auto& index,
+                                             auto& played_samples, auto& consumed) -> void {
+        voice_state.wave_buffer_valid[index] = false;
+        voice_state.loop_count = 0;
+
+        if (wavebuffer.stream_ended) {
+            played_samples = 0;
+        }
+
+        index = (index + 1) % MaxWaveBuffers;
+        consumed++;
+    };
     auto& voice_state{*args.voice_state};
     auto remaining_sample_count{args.sample_count};
     auto fraction{voice_state.fraction};
 
-    const auto sample_rate_ratio{
-        (Common::FixedPoint<49, 15>(args.source_sample_rate) / args.target_sample_rate) *
-        args.pitch};
+    const auto sample_rate_ratio{Common::FixedPoint<49, 15>(
+        (f32)args.source_sample_rate / (f32)args.target_sample_rate * (f32)args.pitch)};
     const auto size_required{fraction + remaining_sample_count * sample_rate_ratio};
 
     if (size_required < 0) {
@@ -298,22 +311,23 @@ void DecodeFromWaveBuffers(Core::Memory::Memory& memory, const DecodeFromWaveBuf
             auto end_offset{wavebuffer.end_offset};
 
             if (wavebuffer.loop && voice_state.loop_count > 0 &&
-                wavebuffer.loop_start_offset != 0 && wavebuffer.loop_end_offset != 0 &&
                 wavebuffer.loop_start_offset <= wavebuffer.loop_end_offset) {
                 start_offset = wavebuffer.loop_start_offset;
                 end_offset = wavebuffer.loop_end_offset;
             }
 
-            DecodeArg decode_arg{.buffer{wavebuffer.buffer},
-                                 .buffer_size{wavebuffer.buffer_size},
-                                 .start_offset{start_offset},
-                                 .end_offset{end_offset},
-                                 .channel_count{args.channel_count},
-                                 .coefficients{},
-                                 .adpcm_context{nullptr},
-                                 .target_channel{args.channel},
-                                 .offset{offset},
-                                 .samples_to_read{samples_to_read - samples_read}};
+            DecodeArg decode_arg{
+                .buffer{wavebuffer.buffer},
+                .buffer_size{wavebuffer.buffer_size},
+                .start_offset{start_offset},
+                .end_offset{end_offset},
+                .channel_count{args.channel_count},
+                .coefficients{},
+                .adpcm_context{nullptr},
+                .target_channel{args.channel},
+                .offset{offset},
+                .samples_to_read{samples_to_read - samples_read},
+            };
 
             s32 samples_decoded{0};
 
@@ -350,42 +364,30 @@ void DecodeFromWaveBuffers(Core::Memory::Memory& memory, const DecodeFromWaveBuf
             temp_buffer_pos += samples_decoded;
             offset += samples_decoded;
 
-            if (samples_decoded == 0 || offset >= end_offset - start_offset) {
-                offset = 0;
-                if (!wavebuffer.loop) {
-                    voice_state.wave_buffer_valid[wavebuffer_index] = false;
-                    voice_state.loop_count = 0;
-
-                    if (wavebuffer.stream_ended) {
-                        played_sample_count = 0;
-                    }
-
-                    wavebuffer_index = (wavebuffer_index + 1) % MaxWaveBuffers;
-                    wavebuffers_consumed++;
-                } else {
-                    voice_state.loop_count++;
-                    if (wavebuffer.loop_count >= 0 &&
-                        (voice_state.loop_count > wavebuffer.loop_count || samples_decoded == 0)) {
-                        voice_state.wave_buffer_valid[wavebuffer_index] = false;
-                        voice_state.loop_count = 0;
-
-                        if (wavebuffer.stream_ended) {
-                            played_sample_count = 0;
-                        }
-
-                        wavebuffer_index = (wavebuffer_index + 1) % MaxWaveBuffers;
-                        wavebuffers_consumed++;
-                    }
-
-                    if (samples_decoded == 0) {
-                        is_buffer_starved = true;
-                        break;
-                    }
-
-                    if (args.IsVoicePlayedSampleCountResetAtLoopPointSupported) {
-                        played_sample_count = 0;
-                    }
+            if (samples_decoded && offset < end_offset - start_offset) {
+                continue;
+            }
+
+            offset = 0;
+            if (wavebuffer.loop) {
+                voice_state.loop_count++;
+                if (wavebuffer.loop_count >= 0 &&
+                    (voice_state.loop_count > wavebuffer.loop_count || samples_decoded == 0)) {
+                    EndWaveBuffer(voice_state, wavebuffer, wavebuffer_index, played_sample_count,
+                                  wavebuffers_consumed);
+                }
+
+                if (samples_decoded == 0) {
+                    is_buffer_starved = true;
+                    break;
+                }
+
+                if (args.IsVoicePlayedSampleCountResetAtLoopPointSupported) {
+                    played_sample_count = 0;
                 }
+            } else {
+                EndWaveBuffer(voice_state, wavebuffer, wavebuffer_index, played_sample_count,
+                              wavebuffers_consumed);
             }
         }
 
diff --git a/src/audio_core/renderer/command/data_source/pcm_float.cpp b/src/audio_core/renderer/command/data_source/pcm_float.cpp
index 5cc0797f4..d1f685656 100644
--- a/src/audio_core/renderer/command/data_source/pcm_float.cpp
+++ b/src/audio_core/renderer/command/data_source/pcm_float.cpp
@@ -21,6 +21,12 @@ void PcmFloatDataSourceVersion1Command::Process(
     auto out_buffer = processor.mix_buffers.subspan(output_index * processor.sample_count,
                                                     processor.sample_count);
 
+    for (auto& wave_buffer : wave_buffers) {
+        wave_buffer.loop_start_offset = wave_buffer.start_offset;
+        wave_buffer.loop_end_offset = wave_buffer.end_offset;
+        wave_buffer.loop_count = wave_buffer.loop ? -1 : 0;
+    }
+
     DecodeFromWaveBuffersArgs args{
         .sample_format{SampleFormat::PcmFloat},
         .output{out_buffer},
diff --git a/src/audio_core/renderer/command/data_source/pcm_int16.cpp b/src/audio_core/renderer/command/data_source/pcm_int16.cpp
index 649993068..c89a5aaac 100644
--- a/src/audio_core/renderer/command/data_source/pcm_int16.cpp
+++ b/src/audio_core/renderer/command/data_source/pcm_int16.cpp
@@ -23,6 +23,12 @@ void PcmInt16DataSourceVersion1Command::Process(
     auto out_buffer = processor.mix_buffers.subspan(output_index * processor.sample_count,
                                                     processor.sample_count);
 
+    for (auto& wave_buffer : wave_buffers) {
+        wave_buffer.loop_start_offset = wave_buffer.start_offset;
+        wave_buffer.loop_end_offset = wave_buffer.end_offset;
+        wave_buffer.loop_count = wave_buffer.loop ? -1 : 0;
+    }
+
     DecodeFromWaveBuffersArgs args{
         .sample_format{SampleFormat::PcmInt16},
         .output{out_buffer},
diff --git a/src/audio_core/renderer/system.cpp b/src/audio_core/renderer/system.cpp
index 8f02754c5..d29754634 100644
--- a/src/audio_core/renderer/system.cpp
+++ b/src/audio_core/renderer/system.cpp
@@ -609,17 +609,11 @@ void System::SendCommandToDsp() {
                 time_limit_percent = 70.0f;
             }
 
-            AudioRenderer::CommandBuffer command_buffer{
-                .buffer{translated_addr},
-                .size{command_size},
-                .time_limit{
-                    static_cast<u64>((time_limit_percent / 100) * 2'880'000.0 *
-                                     (static_cast<f32>(render_time_limit_percent) / 100.0f))},
-                .applet_resource_user_id{applet_resource_user_id},
-                .reset_buffer{reset_command_buffers},
-            };
-
-            audio_renderer.SetCommandBuffer(session_id, command_buffer);
+            auto time_limit{
+                static_cast<u64>((time_limit_percent / 100) * 2'880'000.0 *
+                                 (static_cast<f32>(render_time_limit_percent) / 100.0f))};
+            audio_renderer.SetCommandBuffer(session_id, translated_addr, command_size, time_limit,
+                                            applet_resource_user_id, reset_command_buffers);
             reset_command_buffers = false;
             command_buffer_size = command_size;
             if (remaining_command_count == 0) {
diff --git a/src/common/CMakeLists.txt b/src/common/CMakeLists.txt
index 6d2badf76..34877b461 100644
--- a/src/common/CMakeLists.txt
+++ b/src/common/CMakeLists.txt
@@ -151,6 +151,10 @@ add_library(common STATIC
     zstd_compression.h
 )
 
+if (YUZU_ENABLE_PORTABLE)
+    add_compile_definitions(YUZU_ENABLE_PORTABLE)
+endif()
+
 if (WIN32)
   target_sources(common PRIVATE
     windows/timer_resolution.cpp
diff --git a/src/common/fs/path_util.cpp b/src/common/fs/path_util.cpp
index d71cfacc6..dce219fcf 100644
--- a/src/common/fs/path_util.cpp
+++ b/src/common/fs/path_util.cpp
@@ -88,8 +88,9 @@ public:
         fs::path yuzu_path_config;
 
 #ifdef _WIN32
+#ifdef YUZU_ENABLE_PORTABLE
         yuzu_path = GetExeDirectory() / PORTABLE_DIR;
-
+#endif
         if (!IsDir(yuzu_path)) {
             yuzu_path = GetAppDataRoamingDirectory() / YUZU_DIR;
         }
@@ -101,8 +102,9 @@ public:
         yuzu_path_cache = yuzu_path / CACHE_DIR;
         yuzu_path_config = yuzu_path / CONFIG_DIR;
 #else
+#ifdef YUZU_ENABLE_PORTABLE
         yuzu_path = GetCurrentDir() / PORTABLE_DIR;
-
+#endif
         if (Exists(yuzu_path) && IsDir(yuzu_path)) {
             yuzu_path_cache = yuzu_path / CACHE_DIR;
             yuzu_path_config = yuzu_path / CONFIG_DIR;
diff --git a/src/core/loader/loader.cpp b/src/core/loader/loader.cpp
index 07c65dc1a..b6e355622 100644
--- a/src/core/loader/loader.cpp
+++ b/src/core/loader/loader.cpp
@@ -108,7 +108,7 @@ std::string GetFileTypeString(FileType type) {
     return "unknown";
 }
 
-constexpr std::array<const char*, 66> RESULT_MESSAGES{
+constexpr std::array<const char*, 68> RESULT_MESSAGES{
     "The operation completed successfully.",
     "The loader requested to load is already loaded.",
     "The operation is not implemented.",
@@ -175,6 +175,8 @@ constexpr std::array<const char*, 66> RESULT_MESSAGES{
     "The KIP BLZ decompression of the section failed unexpectedly.",
     "The INI file has a bad header.",
     "The INI file contains more than the maximum allowable number of KIP files.",
+    "Integrity verification could not be performed for this file.",
+    "Integrity verification failed.",
 };
 
 std::string GetResultStatusString(ResultStatus status) {
diff --git a/src/core/loader/loader.h b/src/core/loader/loader.h
index 721eb8e8c..b4828f7cd 100644
--- a/src/core/loader/loader.h
+++ b/src/core/loader/loader.h
@@ -3,6 +3,7 @@
 
 #pragma once
 
+#include <functional>
 #include <iosfwd>
 #include <memory>
 #include <optional>
@@ -132,6 +133,8 @@ enum class ResultStatus : u16 {
     ErrorBLZDecompressionFailed,
     ErrorBadINIHeader,
     ErrorINITooManyKIPs,
+    ErrorIntegrityVerificationNotImplemented,
+    ErrorIntegrityVerificationFailed,
 };
 
 std::string GetResultStatusString(ResultStatus status);
@@ -170,6 +173,13 @@ public:
     virtual LoadResult Load(Kernel::KProcess& process, Core::System& system) = 0;
 
     /**
+     * Try to verify the integrity of the file.
+     */
+    virtual ResultStatus VerifyIntegrity(std::function<bool(size_t, size_t)> progress_callback) {
+        return ResultStatus::ErrorIntegrityVerificationNotImplemented;
+    }
+
+    /**
      * Get the code (typically .code section) of the application
      *
      * @param[out] buffer Reference to buffer to store data
diff --git a/src/core/loader/nca.cpp b/src/core/loader/nca.cpp
index 09d40e695..4feb6968a 100644
--- a/src/core/loader/nca.cpp
+++ b/src/core/loader/nca.cpp
@@ -3,6 +3,8 @@
 
 #include <utility>
 
+#include "common/hex_util.h"
+#include "common/scope_exit.h"
 #include "core/core.h"
 #include "core/file_sys/content_archive.h"
 #include "core/file_sys/nca_metadata.h"
@@ -12,6 +14,7 @@
 #include "core/hle/service/filesystem/filesystem.h"
 #include "core/loader/deconstructed_rom_directory.h"
 #include "core/loader/nca.h"
+#include "mbedtls/sha256.h"
 
 namespace Loader {
 
@@ -80,6 +83,79 @@ AppLoader_NCA::LoadResult AppLoader_NCA::Load(Kernel::KProcess& process, Core::S
     return load_result;
 }
 
+ResultStatus AppLoader_NCA::VerifyIntegrity(std::function<bool(size_t, size_t)> progress_callback) {
+    using namespace Common::Literals;
+
+    constexpr size_t NcaFileNameWithHashLength = 36;
+    constexpr size_t NcaFileNameHashLength = 32;
+    constexpr size_t NcaSha256HashLength = 32;
+    constexpr size_t NcaSha256HalfHashLength = NcaSha256HashLength / 2;
+
+    // Get the file name.
+    const auto name = file->GetName();
+
+    // We won't try to verify meta NCAs.
+    if (name.ends_with(".cnmt.nca")) {
+        return ResultStatus::Success;
+    }
+
+    // Check if we can verify this file. NCAs should be named after their hashes.
+    if (!name.ends_with(".nca") || name.size() != NcaFileNameWithHashLength) {
+        LOG_WARNING(Loader, "Unable to validate NCA with name {}", name);
+        return ResultStatus::ErrorIntegrityVerificationNotImplemented;
+    }
+
+    // Get the expected truncated hash of the NCA.
+    const auto input_hash =
+        Common::HexStringToVector(file->GetName().substr(0, NcaFileNameHashLength), false);
+
+    // Declare buffer to read into.
+    std::vector<u8> buffer(4_MiB);
+
+    // Initialize sha256 verification context.
+    mbedtls_sha256_context ctx;
+    mbedtls_sha256_init(&ctx);
+    mbedtls_sha256_starts_ret(&ctx, 0);
+
+    // Ensure we maintain a clean state on exit.
+    SCOPE_EXIT({ mbedtls_sha256_free(&ctx); });
+
+    // Declare counters.
+    const size_t total_size = file->GetSize();
+    size_t processed_size = 0;
+
+    // Begin iterating the file.
+    while (processed_size < total_size) {
+        // Refill the buffer.
+        const size_t intended_read_size = std::min(buffer.size(), total_size - processed_size);
+        const size_t read_size = file->Read(buffer.data(), intended_read_size, processed_size);
+
+        // Update the hash function with the buffer contents.
+        mbedtls_sha256_update_ret(&ctx, buffer.data(), read_size);
+
+        // Update counters.
+        processed_size += read_size;
+
+        // Call the progress function.
+        if (!progress_callback(processed_size, total_size)) {
+            return ResultStatus::ErrorIntegrityVerificationFailed;
+        }
+    }
+
+    // Finalize context and compute the output hash.
+    std::array<u8, NcaSha256HashLength> output_hash;
+    mbedtls_sha256_finish_ret(&ctx, output_hash.data());
+
+    // Compare to expected.
+    if (std::memcmp(input_hash.data(), output_hash.data(), NcaSha256HalfHashLength) != 0) {
+        LOG_ERROR(Loader, "NCA hash mismatch detected for file {}", name);
+        return ResultStatus::ErrorIntegrityVerificationFailed;
+    }
+
+    // File verified.
+    return ResultStatus::Success;
+}
+
 ResultStatus AppLoader_NCA::ReadRomFS(FileSys::VirtualFile& dir) {
     if (nca == nullptr) {
         return ResultStatus::ErrorNotInitialized;
diff --git a/src/core/loader/nca.h b/src/core/loader/nca.h
index cf356ce63..96779e27f 100644
--- a/src/core/loader/nca.h
+++ b/src/core/loader/nca.h
@@ -39,6 +39,8 @@ public:
 
     LoadResult Load(Kernel::KProcess& process, Core::System& system) override;
 
+    ResultStatus VerifyIntegrity(std::function<bool(size_t, size_t)> progress_callback) override;
+
     ResultStatus ReadRomFS(FileSys::VirtualFile& dir) override;
     ResultStatus ReadProgramId(u64& out_program_id) override;
 
diff --git a/src/core/loader/nsp.cpp b/src/core/loader/nsp.cpp
index f9b2549a3..fe2af1ae6 100644
--- a/src/core/loader/nsp.cpp
+++ b/src/core/loader/nsp.cpp
@@ -117,6 +117,42 @@ AppLoader_NSP::LoadResult AppLoader_NSP::Load(Kernel::KProcess& process, Core::S
     return result;
 }
 
+ResultStatus AppLoader_NSP::VerifyIntegrity(std::function<bool(size_t, size_t)> progress_callback) {
+    // Extracted-type NSPs can't be verified.
+    if (nsp->IsExtractedType()) {
+        return ResultStatus::ErrorIntegrityVerificationNotImplemented;
+    }
+
+    // Get list of all NCAs.
+    const auto ncas = nsp->GetNCAsCollapsed();
+
+    size_t total_size = 0;
+    size_t processed_size = 0;
+
+    // Loop over NCAs, collecting the total size to verify.
+    for (const auto& nca : ncas) {
+        total_size += nca->GetBaseFile()->GetSize();
+    }
+
+    // Loop over NCAs again, verifying each.
+    for (const auto& nca : ncas) {
+        AppLoader_NCA loader_nca(nca->GetBaseFile());
+
+        const auto NcaProgressCallback = [&](size_t nca_processed_size, size_t nca_total_size) {
+            return progress_callback(processed_size + nca_processed_size, total_size);
+        };
+
+        const auto verification_result = loader_nca.VerifyIntegrity(NcaProgressCallback);
+        if (verification_result != ResultStatus::Success) {
+            return verification_result;
+        }
+
+        processed_size += nca->GetBaseFile()->GetSize();
+    }
+
+    return ResultStatus::Success;
+}
+
 ResultStatus AppLoader_NSP::ReadRomFS(FileSys::VirtualFile& out_file) {
     return secondary_loader->ReadRomFS(out_file);
 }
diff --git a/src/core/loader/nsp.h b/src/core/loader/nsp.h
index 79df4586a..7ce436c67 100644
--- a/src/core/loader/nsp.h
+++ b/src/core/loader/nsp.h
@@ -45,6 +45,8 @@ public:
 
     LoadResult Load(Kernel::KProcess& process, Core::System& system) override;
 
+    ResultStatus VerifyIntegrity(std::function<bool(size_t, size_t)> progress_callback) override;
+
     ResultStatus ReadRomFS(FileSys::VirtualFile& out_file) override;
     ResultStatus ReadUpdateRaw(FileSys::VirtualFile& out_file) override;
     ResultStatus ReadProgramId(u64& out_program_id) override;
diff --git a/src/core/loader/xci.cpp b/src/core/loader/xci.cpp
index 3a76bc788..12d72c380 100644
--- a/src/core/loader/xci.cpp
+++ b/src/core/loader/xci.cpp
@@ -85,6 +85,40 @@ AppLoader_XCI::LoadResult AppLoader_XCI::Load(Kernel::KProcess& process, Core::S
     return result;
 }
 
+ResultStatus AppLoader_XCI::VerifyIntegrity(std::function<bool(size_t, size_t)> progress_callback) {
+    // Verify secure partition, as it is the only thing we can process.
+    auto secure_partition = xci->GetSecurePartitionNSP();
+
+    // Get list of all NCAs.
+    const auto ncas = secure_partition->GetNCAsCollapsed();
+
+    size_t total_size = 0;
+    size_t processed_size = 0;
+
+    // Loop over NCAs, collecting the total size to verify.
+    for (const auto& nca : ncas) {
+        total_size += nca->GetBaseFile()->GetSize();
+    }
+
+    // Loop over NCAs again, verifying each.
+    for (const auto& nca : ncas) {
+        AppLoader_NCA loader_nca(nca->GetBaseFile());
+
+        const auto NcaProgressCallback = [&](size_t nca_processed_size, size_t nca_total_size) {
+            return progress_callback(processed_size + nca_processed_size, total_size);
+        };
+
+        const auto verification_result = loader_nca.VerifyIntegrity(NcaProgressCallback);
+        if (verification_result != ResultStatus::Success) {
+            return verification_result;
+        }
+
+        processed_size += nca->GetBaseFile()->GetSize();
+    }
+
+    return ResultStatus::Success;
+}
+
 ResultStatus AppLoader_XCI::ReadRomFS(FileSys::VirtualFile& out_file) {
     return nca_loader->ReadRomFS(out_file);
 }
diff --git a/src/core/loader/xci.h b/src/core/loader/xci.h
index ff05e6f62..b02e136d3 100644
--- a/src/core/loader/xci.h
+++ b/src/core/loader/xci.h
@@ -45,6 +45,8 @@ public:
 
     LoadResult Load(Kernel::KProcess& process, Core::System& system) override;
 
+    ResultStatus VerifyIntegrity(std::function<bool(size_t, size_t)> progress_callback) override;
+
     ResultStatus ReadRomFS(FileSys::VirtualFile& out_file) override;
     ResultStatus ReadUpdateRaw(FileSys::VirtualFile& out_file) override;
     ResultStatus ReadProgramId(u64& out_program_id) override;
diff --git a/src/shader_recompiler/backend/spirv/spirv_emit_context.cpp b/src/shader_recompiler/backend/spirv/spirv_emit_context.cpp
index bec5db173..238fb40e3 100644
--- a/src/shader_recompiler/backend/spirv/spirv_emit_context.cpp
+++ b/src/shader_recompiler/backend/spirv/spirv_emit_context.cpp
@@ -74,6 +74,11 @@ spv::ImageFormat GetImageFormat(ImageFormat format) {
     throw InvalidArgument("Invalid image format {}", format);
 }
 
+spv::ImageFormat GetImageFormatForBuffer(ImageFormat format) {
+    const auto spv_format = GetImageFormat(format);
+    return spv_format == spv::ImageFormat::Unknown ? spv::ImageFormat::R32ui : spv_format;
+}
+
 Id ImageType(EmitContext& ctx, const ImageDescriptor& desc) {
     const spv::ImageFormat format{GetImageFormat(desc.format)};
     const Id type{ctx.U32[1]};
@@ -1271,7 +1276,7 @@ void EmitContext::DefineImageBuffers(const Info& info, u32& binding) {
         if (desc.count != 1) {
             throw NotImplementedException("Array of image buffers");
         }
-        const spv::ImageFormat format{GetImageFormat(desc.format)};
+        const spv::ImageFormat format{GetImageFormatForBuffer(desc.format)};
         const Id image_type{TypeImage(U32[1], spv::Dim::Buffer, false, false, false, 2, format)};
         const Id pointer_type{TypePointer(spv::StorageClass::UniformConstant, image_type)};
         const Id id{AddGlobalVariable(pointer_type, spv::StorageClass::UniformConstant)};
diff --git a/src/video_core/renderer_vulkan/renderer_vulkan.cpp b/src/video_core/renderer_vulkan/renderer_vulkan.cpp
index 454bb66a4..c4c30d807 100644
--- a/src/video_core/renderer_vulkan/renderer_vulkan.cpp
+++ b/src/video_core/renderer_vulkan/renderer_vulkan.cpp
@@ -66,21 +66,6 @@ std::string BuildCommaSeparatedExtensions(
     return fmt::format("{}", fmt::join(available_extensions, ","));
 }
 
-DebugCallback MakeDebugCallback(const vk::Instance& instance, const vk::InstanceDispatch& dld) {
-    if (!Settings::values.renderer_debug) {
-        return DebugCallback{};
-    }
-    const std::optional properties = vk::EnumerateInstanceExtensionProperties(dld);
-    const auto it = std::ranges::find_if(*properties, [](const auto& prop) {
-        return std::strcmp(VK_EXT_DEBUG_UTILS_EXTENSION_NAME, prop.extensionName) == 0;
-    });
-    if (it != properties->end()) {
-        return CreateDebugUtilsCallback(instance);
-    } else {
-        return CreateDebugReportCallback(instance);
-    }
-}
-
 } // Anonymous namespace
 
 Device CreateDevice(const vk::Instance& instance, const vk::InstanceDispatch& dld,
@@ -103,7 +88,8 @@ RendererVulkan::RendererVulkan(Core::TelemetrySession& telemetry_session_,
       cpu_memory(cpu_memory_), gpu(gpu_), library(OpenLibrary(context.get())),
       instance(CreateInstance(*library, dld, VK_API_VERSION_1_1, render_window.GetWindowInfo().type,
                               Settings::values.renderer_debug.GetValue())),
-      debug_callback(MakeDebugCallback(instance, dld)),
+      debug_messenger(Settings::values.renderer_debug ? CreateDebugUtilsCallback(instance)
+                                                      : vk::DebugUtilsMessenger{}),
       surface(CreateSurface(instance, render_window.GetWindowInfo())),
       device(CreateDevice(instance, dld, *surface)), memory_allocator(device), state_tracker(),
       scheduler(device, state_tracker),
diff --git a/src/video_core/renderer_vulkan/renderer_vulkan.h b/src/video_core/renderer_vulkan/renderer_vulkan.h
index 89e98425e..590bc1c64 100644
--- a/src/video_core/renderer_vulkan/renderer_vulkan.h
+++ b/src/video_core/renderer_vulkan/renderer_vulkan.h
@@ -35,8 +35,6 @@ class GPU;
 
 namespace Vulkan {
 
-using DebugCallback = std::variant<vk::DebugUtilsMessenger, vk::DebugReportCallback>;
-
 Device CreateDevice(const vk::Instance& instance, const vk::InstanceDispatch& dld,
                     VkSurfaceKHR surface);
 
@@ -75,7 +73,7 @@ private:
     vk::InstanceDispatch dld;
 
     vk::Instance instance;
-    DebugCallback debug_callback;
+    vk::DebugUtilsMessenger debug_messenger;
     vk::SurfaceKHR surface;
 
     ScreenInfo screen_info;
diff --git a/src/video_core/vulkan_common/vulkan_debug_callback.cpp b/src/video_core/vulkan_common/vulkan_debug_callback.cpp
index 67e8065a4..448df2d3a 100644
--- a/src/video_core/vulkan_common/vulkan_debug_callback.cpp
+++ b/src/video_core/vulkan_common/vulkan_debug_callback.cpp
@@ -63,22 +63,6 @@ VkBool32 DebugUtilCallback(VkDebugUtilsMessageSeverityFlagBitsEXT severity,
     return VK_FALSE;
 }
 
-VkBool32 DebugReportCallback(VkDebugReportFlagsEXT flags, VkDebugReportObjectTypeEXT objectType,
-                             uint64_t object, size_t location, int32_t messageCode,
-                             const char* pLayerPrefix, const char* pMessage, void* pUserData) {
-    const VkDebugReportFlagBitsEXT severity = static_cast<VkDebugReportFlagBitsEXT>(flags);
-    const std::string_view message{pMessage};
-    if (severity & VK_DEBUG_REPORT_ERROR_BIT_EXT) {
-        LOG_CRITICAL(Render_Vulkan, "{}", message);
-    } else if (severity & VK_DEBUG_REPORT_WARNING_BIT_EXT) {
-        LOG_WARNING(Render_Vulkan, "{}", message);
-    } else if (severity & VK_DEBUG_REPORT_INFORMATION_BIT_EXT) {
-        LOG_INFO(Render_Vulkan, "{}", message);
-    } else if (severity & VK_DEBUG_REPORT_DEBUG_BIT_EXT) {
-        LOG_DEBUG(Render_Vulkan, "{}", message);
-    }
-    return VK_FALSE;
-}
 } // Anonymous namespace
 
 vk::DebugUtilsMessenger CreateDebugUtilsCallback(const vk::Instance& instance) {
@@ -98,15 +82,4 @@ vk::DebugUtilsMessenger CreateDebugUtilsCallback(const vk::Instance& instance) {
     });
 }
 
-vk::DebugReportCallback CreateDebugReportCallback(const vk::Instance& instance) {
-    return instance.CreateDebugReportCallback({
-        .sType = VK_STRUCTURE_TYPE_DEBUG_REPORT_CALLBACK_CREATE_INFO_EXT,
-        .pNext = nullptr,
-        .flags = VK_DEBUG_REPORT_DEBUG_BIT_EXT | VK_DEBUG_REPORT_INFORMATION_BIT_EXT |
-                 VK_DEBUG_REPORT_ERROR_BIT_EXT | VK_DEBUG_REPORT_WARNING_BIT_EXT,
-        .pfnCallback = DebugReportCallback,
-        .pUserData = nullptr,
-    });
-}
-
 } // namespace Vulkan
diff --git a/src/video_core/vulkan_common/vulkan_debug_callback.h b/src/video_core/vulkan_common/vulkan_debug_callback.h
index a8af7b406..5e940782f 100644
--- a/src/video_core/vulkan_common/vulkan_debug_callback.h
+++ b/src/video_core/vulkan_common/vulkan_debug_callback.h
@@ -9,6 +9,4 @@ namespace Vulkan {
 
 vk::DebugUtilsMessenger CreateDebugUtilsCallback(const vk::Instance& instance);
 
-vk::DebugReportCallback CreateDebugReportCallback(const vk::Instance& instance);
-
 } // namespace Vulkan
diff --git a/src/video_core/vulkan_common/vulkan_instance.cpp b/src/video_core/vulkan_common/vulkan_instance.cpp
index bc16145be..180657a75 100644
--- a/src/video_core/vulkan_common/vulkan_instance.cpp
+++ b/src/video_core/vulkan_common/vulkan_instance.cpp
@@ -76,11 +76,9 @@ namespace {
         extensions.push_back(VK_KHR_PORTABILITY_ENUMERATION_EXTENSION_NAME);
     }
 #endif
-    if (enable_validation) {
-        const bool debug_utils =
-            AreExtensionsSupported(dld, std::array{VK_EXT_DEBUG_UTILS_EXTENSION_NAME});
-        extensions.push_back(debug_utils ? VK_EXT_DEBUG_UTILS_EXTENSION_NAME
-                                         : VK_EXT_DEBUG_REPORT_EXTENSION_NAME);
+    if (enable_validation &&
+        AreExtensionsSupported(dld, std::array{VK_EXT_DEBUG_UTILS_EXTENSION_NAME})) {
+        extensions.push_back(VK_EXT_DEBUG_UTILS_EXTENSION_NAME);
     }
     return extensions;
 }
diff --git a/src/yuzu/configuration/configure_graphics.cpp b/src/yuzu/configuration/configure_graphics.cpp
index 8622dc184..fd6bebf0f 100644
--- a/src/yuzu/configuration/configure_graphics.cpp
+++ b/src/yuzu/configuration/configure_graphics.cpp
@@ -193,14 +193,10 @@ void ConfigureGraphics::PopulateVSyncModeSelection() {
                             : vsync_mode_combobox_enum_map[current_index];
     int index{};
     const int device{vulkan_device_combobox->currentIndex()}; //< current selected Vulkan device
-    if (device == -1) {
-        // Invalid device
-        return;
-    }
 
     const auto& present_modes = //< relevant vector of present modes for the selected device or API
-        backend == Settings::RendererBackend::Vulkan ? device_present_modes[device]
-                                                     : default_present_modes;
+        backend == Settings::RendererBackend::Vulkan && device > -1 ? device_present_modes[device]
+                                                                    : default_present_modes;
 
     vsync_mode_combobox->clear();
     vsync_mode_combobox_enum_map.clear();
@@ -497,11 +493,19 @@ void ConfigureGraphics::RetrieveVulkanDevices() {
 }
 
 Settings::RendererBackend ConfigureGraphics::GetCurrentGraphicsBackend() const {
-    if (!Settings::IsConfiguringGlobal() && !api_restore_global_button->isEnabled()) {
-        return Settings::values.renderer_backend.GetValue(true);
+    const auto selected_backend = [&]() {
+        if (!Settings::IsConfiguringGlobal() && !api_restore_global_button->isEnabled()) {
+            return Settings::values.renderer_backend.GetValue(true);
+        }
+        return static_cast<Settings::RendererBackend>(
+            combobox_translations.at(Settings::EnumMetadata<Settings::RendererBackend>::Index())
+                .at(api_combobox->currentIndex())
+                .first);
+    }();
+
+    if (selected_backend == Settings::RendererBackend::Vulkan &&
+        UISettings::values.has_broken_vulkan) {
+        return Settings::RendererBackend::OpenGL;
     }
-    return static_cast<Settings::RendererBackend>(
-        combobox_translations.at(Settings::EnumMetadata<Settings::RendererBackend>::Index())
-            .at(api_combobox->currentIndex())
-            .first);
+    return selected_backend;
 }
diff --git a/src/yuzu/game_list.cpp b/src/yuzu/game_list.cpp
index c29d762c2..f254c1e1c 100644
--- a/src/yuzu/game_list.cpp
+++ b/src/yuzu/game_list.cpp
@@ -557,6 +557,7 @@ void GameList::AddGamePopup(QMenu& context_menu, u64 program_id, const std::stri
     QMenu* dump_romfs_menu = context_menu.addMenu(tr("Dump RomFS"));
     QAction* dump_romfs = dump_romfs_menu->addAction(tr("Dump RomFS"));
     QAction* dump_romfs_sdmc = dump_romfs_menu->addAction(tr("Dump RomFS to SDMC"));
+    QAction* verify_integrity = context_menu.addAction(tr("Verify Integrity"));
     QAction* copy_tid = context_menu.addAction(tr("Copy Title ID to Clipboard"));
     QAction* navigate_to_gamedb_entry = context_menu.addAction(tr("Navigate to GameDB entry"));
 #ifndef WIN32
@@ -630,6 +631,8 @@ void GameList::AddGamePopup(QMenu& context_menu, u64 program_id, const std::stri
     connect(dump_romfs_sdmc, &QAction::triggered, [this, program_id, path]() {
         emit DumpRomFSRequested(program_id, path, DumpRomFSTarget::SDMC);
     });
+    connect(verify_integrity, &QAction::triggered,
+            [this, path]() { emit VerifyIntegrityRequested(path); });
     connect(copy_tid, &QAction::triggered,
             [this, program_id]() { emit CopyTIDRequested(program_id); });
     connect(navigate_to_gamedb_entry, &QAction::triggered, [this, program_id]() {
diff --git a/src/yuzu/game_list.h b/src/yuzu/game_list.h
index 45d6dee88..1fcbbf0ba 100644
--- a/src/yuzu/game_list.h
+++ b/src/yuzu/game_list.h
@@ -114,6 +114,7 @@ signals:
     void RemoveFileRequested(u64 program_id, GameListRemoveTarget target,
                              const std::string& game_path);
     void DumpRomFSRequested(u64 program_id, const std::string& game_path, DumpRomFSTarget target);
+    void VerifyIntegrityRequested(const std::string& game_path);
     void CopyTIDRequested(u64 program_id);
     void CreateShortcut(u64 program_id, const std::string& game_path,
                         GameListShortcutTarget target);
diff --git a/src/yuzu/main.cpp b/src/yuzu/main.cpp
index 538174462..1540fe1c1 100644
--- a/src/yuzu/main.cpp
+++ b/src/yuzu/main.cpp
@@ -442,8 +442,13 @@ GMainWindow::GMainWindow(std::unique_ptr<Config> config_, bool has_broken_vulkan
                                 "#yuzu-starts-with-the-error-broken-vulkan-installation-detected'>"
                                 "here for instructions to fix the issue</a>."));
 
+#ifdef HAS_OPENGL
         Settings::values.renderer_backend = Settings::RendererBackend::OpenGL;
+#else
+        Settings::values.renderer_backend = Settings::RendererBackend::Null;
+#endif
 
+        UpdateAPIText();
         renderer_status_button->setDisabled(true);
         renderer_status_button->setChecked(false);
     } else {
@@ -1447,6 +1452,8 @@ void GMainWindow::ConnectWidgetEvents() {
             &GMainWindow::OnGameListRemoveInstalledEntry);
     connect(game_list, &GameList::RemoveFileRequested, this, &GMainWindow::OnGameListRemoveFile);
     connect(game_list, &GameList::DumpRomFSRequested, this, &GMainWindow::OnGameListDumpRomFS);
+    connect(game_list, &GameList::VerifyIntegrityRequested, this,
+            &GMainWindow::OnGameListVerifyIntegrity);
     connect(game_list, &GameList::CopyTIDRequested, this, &GMainWindow::OnGameListCopyTID);
     connect(game_list, &GameList::NavigateToGamedbEntryRequested, this,
             &GMainWindow::OnGameListNavigateToGamedbEntry);
@@ -2713,6 +2720,54 @@ void GMainWindow::OnGameListDumpRomFS(u64 program_id, const std::string& game_pa
     }
 }
 
+void GMainWindow::OnGameListVerifyIntegrity(const std::string& game_path) {
+    const auto NotImplemented = [this] {
+        QMessageBox::warning(this, tr("Integrity verification couldn't be performed!"),
+                             tr("File contents were not checked for validity."));
+    };
+    const auto Failed = [this] {
+        QMessageBox::critical(this, tr("Integrity verification failed!"),
+                              tr("File contents may be corrupt."));
+    };
+
+    const auto loader = Loader::GetLoader(*system, vfs->OpenFile(game_path, FileSys::Mode::Read));
+    if (loader == nullptr) {
+        NotImplemented();
+        return;
+    }
+
+    QProgressDialog progress(tr("Verifying integrity..."), tr("Cancel"), 0, 100, this);
+    progress.setWindowModality(Qt::WindowModal);
+    progress.setMinimumDuration(100);
+    progress.setAutoClose(false);
+    progress.setAutoReset(false);
+
+    const auto QtProgressCallback = [&](size_t processed_size, size_t total_size) {
+        if (progress.wasCanceled()) {
+            return false;
+        }
+
+        progress.setValue(static_cast<int>((processed_size * 100) / total_size));
+        return true;
+    };
+
+    const auto status = loader->VerifyIntegrity(QtProgressCallback);
+    if (progress.wasCanceled() ||
+        status == Loader::ResultStatus::ErrorIntegrityVerificationNotImplemented) {
+        NotImplemented();
+        return;
+    }
+
+    if (status == Loader::ResultStatus::ErrorIntegrityVerificationFailed) {
+        Failed();
+        return;
+    }
+
+    progress.close();
+    QMessageBox::information(this, tr("Integrity verification succeeded!"),
+                             tr("The operation completed successfully."));
+}
+
 void GMainWindow::OnGameListCopyTID(u64 program_id) {
     QClipboard* clipboard = QGuiApplication::clipboard();
     clipboard->setText(QString::fromStdString(fmt::format("{:016X}", program_id)));
@@ -3800,10 +3855,14 @@ void GMainWindow::OnToggleAdaptingFilter() {
 
 void GMainWindow::OnToggleGraphicsAPI() {
     auto api = Settings::values.renderer_backend.GetValue();
-    if (api == Settings::RendererBackend::OpenGL) {
+    if (api != Settings::RendererBackend::Vulkan) {
         api = Settings::RendererBackend::Vulkan;
     } else {
+#ifdef HAS_OPENGL
         api = Settings::RendererBackend::OpenGL;
+#else
+        api = Settings::RendererBackend::Null;
+#endif
     }
     Settings::values.renderer_backend.SetValue(api);
     renderer_status_button->setChecked(api == Settings::RendererBackend::Vulkan);
diff --git a/src/yuzu/main.h b/src/yuzu/main.h
index fd8b196c3..3b0e7f2fe 100644
--- a/src/yuzu/main.h
+++ b/src/yuzu/main.h
@@ -320,6 +320,7 @@ private slots:
     void OnGameListRemoveFile(u64 program_id, GameListRemoveTarget target,
                               const std::string& game_path);
     void OnGameListDumpRomFS(u64 program_id, const std::string& game_path, DumpRomFSTarget target);
+    void OnGameListVerifyIntegrity(const std::string& game_path);
     void OnGameListCopyTID(u64 program_id);
     void OnGameListNavigateToGamedbEntry(u64 program_id,
                                          const CompatibilityList& compatibility_list);