[video_core] Skip fragment shaders with known issues on non-NVIDIA drivers (#4503)

- [x] I have read and followed the [Contribution Guidelines](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/CONTRIBUTING.md#code-contributions).
- [x] I have read and followed the [AI Policy](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/docs/policies/AI.md)
- [x] I have read and followed the [Coding Guidelines](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/docs/policies/Coding.md) to the best of my ability.

-------------------

Skip fragment shaders using a pattern that is not supported by non-NVIDIA drivers.

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/4503
Reviewed-by: CamilleLaVey <camillelavey99@gmail.com>

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/BooleanSetting.kt

@@ -27,7 +27,6 @@ enum class BooleanSetting(override val key: String) : AbstractBooleanSetting {
     RENDERER_USE_DISK_SHADER_CACHE("use_disk_shader_cache"),
     RENDERER_FORCE_MAX_CLOCK("force_max_clock"),
     RENDERER_ASYNCHRONOUS_GPU_EMULATION("use_asynchronous_gpu_emulation"),
-    RENDERER_ASYNC_PRESENTATION("async_presentation"),
     RENDERER_ASYNCHRONOUS_SHADERS("use_asynchronous_shaders"),
     RENDERER_REACTIVE_FLUSHING("use_reactive_flushing"),
     ENABLE_BUFFER_HISTORY("enable_buffer_history"),

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/view/SettingsItem.kt

@@ -753,13 +753,6 @@ abstract class SettingsItem(
                     descriptionId = R.string.renderer_asynchronous_gpu_emulation_description
                 )
             )
-            put(
-                SwitchSetting(
-                    BooleanSetting.RENDERER_ASYNC_PRESENTATION,
-                    titleId = R.string.renderer_async_presentation,
-                    descriptionId = R.string.renderer_async_presentation_description
-                )
-            )
             put(
                 SingleChoiceSetting(
                     IntSetting.DMA_ACCURACY,

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/ui/SettingsFragmentPresenter.kt

@@ -561,7 +561,6 @@ class SettingsFragmentPresenter(
             add(BooleanSetting.RENDERER_ASYNCHRONOUS_SHADERS.key)
             add(IntSetting.ANDROID_PIPELINE_WORKERS.key)
             add(BooleanSetting.RENDERER_ASYNCHRONOUS_GPU_EMULATION.key)
-            add(BooleanSetting.RENDERER_ASYNC_PRESENTATION.key)
             add(SettingsItem.GPU_UNSWIZZLE_COMBINED)
 
             add(HeaderSetting(R.string.extensions))

src/android/app/src/main/res/values-ar/strings.xml

@@ -574,8 +574,6 @@
     <string name="renderer_force_max_clock_description">يجبر وحدة معالجة الرسومات على العمل بأقصى سرعة ممكنة (سيظل يتم تطبيق القيود الحرارية).</string>
     <string name="renderer_asynchronous_gpu_emulation">محاكاة غير متزامنة لوحدة معالجة الرسومات</string>
     <string name="renderer_asynchronous_gpu_emulation_description">يمكن لهذه الحيلة أن تزيد الأداء عن طريق تشغيل محاكاة وحدة معالجة الرسومات بشكل غير متزامن على حساب مشاكل الرسومات وزيادة معدلات الأعطال بسبب العمليات المتعلقة بالتوقيت.</string>
-    <string name="renderer_async_presentation">عرض غير متزامن</string>
-    <string name="renderer_async_presentation_description">يمكن لهذه الحيلة أن تزيد من الأداء عن طريق نقل عملية العرض إلى خيط معالجة منفصل على حساب مشاكل الرسوميات.</string>
     <string name="renderer_reactive_flushing">استخدم التنظيف التفاعلي</string>
     <string name="renderer_reactive_flushing_description">يحسن دقة العرض في بعض الألعاب على حساب الأداء.</string>
     <string name="enable_buffer_history">تفعيل سجل التخزين المؤقت</string>

src/android/app/src/main/res/values-es/strings.xml

@@ -518,8 +518,6 @@
     <string name="renderer_force_max_clock_description">Fuerza a la GPU a ejecutarse a la velocidad máxima de reloj posible (se seguirán aplicando restricciones térmicas).</string>
     <string name="renderer_asynchronous_gpu_emulation">Emulación de GPU asíncrona</string>
     <string name="renderer_asynchronous_gpu_emulation_description">Este hack puede aumentar el rendimiento ejecutando la emulación de la GPU de forma asíncrona, a costa de problemas gráficos y un aumento en la tasa de fallos debido a operaciones relacionadas con la sincronización.</string>
-    <string name="renderer_async_presentation">Presentación asíncrona</string>
-    <string name="renderer_async_presentation_description">Este hack puede aumentar el rendimiento al mover la presentación a un hilo independiente de la CPU a costa de problemas gráficos.</string>
     <string name="renderer_reactive_flushing">Usar limpieza reactiva</string>
     <string name="renderer_reactive_flushing_description">Mejora la precisión de renderizado en algunos juegos, pero reduce el rendimiento.</string>
     <string name="enable_buffer_history">Activar el historial del búfer</string>

src/android/app/src/main/res/values-ru/strings.xml

@@ -563,8 +563,6 @@
     <string name="renderer_force_max_clock_description">Заставляет ГПУ работать на максимально возможных тактовых частотах (тепловые ограничения все равно будут применяться).</string>
     <string name="renderer_asynchronous_gpu_emulation">Асинхронная эмуляция ГПУ</string>
     <string name="renderer_asynchronous_gpu_emulation_description">Может повысить производительность за счёт асинхронного запуска эмуляции ГПУ, но ценой появления графических ошибок и увеличения частоты вылетов из-за операций, зависящих от синхронизации.</string>
-    <string name="renderer_async_presentation">Асинхронная презентация</string>
-    <string name="renderer_async_presentation_description">Может повысить производительность за счёт перемещения вывода кадров в отдельный поток ЦП, но ценой возникновения графических проблем.</string>
     <string name="renderer_reactive_flushing">Реактивная очистка</string>
     <string name="renderer_reactive_flushing_description">Повышение точности рендеринга в некоторых играх за счет снижения производительности.</string>
     <string name="enable_buffer_history">Включить историю буфера</string>

src/android/app/src/main/res/values-uk/strings.xml

@@ -481,8 +481,6 @@
     <string name="renderer_force_max_clock_description">Змушує GPU працювати на максимальній тактовій частоті.</string>
     <string name="renderer_asynchronous_gpu_emulation">Асинхронна емуляція ГП</string>
     <string name="renderer_asynchronous_gpu_emulation_description">Це обхідне рішення може покращити продуктивність завдяки асинхронному виконанню емуляції ГП, але спричинить проблеми з графікою та збільшить частоту збоїв чутливих до таймінгів операцій.</string>
-    <string name="renderer_async_presentation">Асинхронне подання</string>
-    <string name="renderer_async_presentation_description">Це обхідне рішення може покращити продуктивність завдяки переміщенню подання на окремий потік ЦП, але спричинить проблеми з графікою.</string>
     <string name="renderer_reactive_flushing">Реактивне очищення</string>
     <string name="renderer_reactive_flushing_description">Покращує точність рендерингу в деяких іграх.</string>
     <string name="enable_buffer_history">Увімкнути історію буфера</string>

src/android/app/src/main/res/values-zh-rCN/strings.xml

@@ -564,8 +564,6 @@
     <string name="renderer_force_max_clock_description">强制 GPU 以最大时钟运行 (温控依然生效)。</string>
     <string name="renderer_asynchronous_gpu_emulation">GPU 异步模拟</string>
     <string name="renderer_asynchronous_gpu_emulation_description">此技巧可通过异步运行 GPU 模拟来提升性能，但在执行与时序相关的操作时，可能带来图形显示问题以及增加崩溃概率。</string>
-    <string name="renderer_async_presentation">异步呈现</string>
-    <string name="renderer_async_presentation_description">此技巧通过将图形呈现移至独立的 CPU 线程来提升性能，但可能会带来图形显示问题。</string>
     <string name="renderer_reactive_flushing">启用反应性刷新</string>
     <string name="renderer_reactive_flushing_description">通过牺牲性能来提升某些游戏的渲染精度。</string>
     <string name="enable_buffer_history">启用缓冲区历史</string>

src/android/app/src/main/res/values-zh-rTW/strings.xml

@@ -560,12 +560,10 @@
     <string name="sync_memory_operations_description">確保計算和記憶體操作之間的資料一致性，此選項應能修復某些遊戲中的問題，但在某些情況下可能會降低效能。使用Unreal Engine 4的遊戲似乎受影響最大</string>
     <string name="use_disk_shader_cache">磁碟著色器快取</string>
     <string name="use_disk_shader_cache_description">將產生的著色器快取儲存至硬碟以減少中斷</string>
-    <string name="renderer_force_max_clock">強制使用最大時脈（僅限Adreno）</string>
-    <string name="renderer_force_max_clock_description">強制GPU以可能的最大時脈運作（熱溫限制仍會被套用）</string>
-    <string name="renderer_asynchronous_gpu_emulation">GPU非同步模擬</string>
-    <string name="renderer_asynchronous_gpu_emulation_description">此修改可透過使用GPU非同步模擬來提升性能，不過可能會導致圖形問題且會提高在進行時序相關操作時當機的機率</string>
-    <string name="renderer_async_presentation">非同步呈現</string>
-    <string name="renderer_async_presentation_description">此修改可以透過將渲染移至單獨的CPU執行緒來提升性能，但可能會導致圖形問題</string>
+    <string name="renderer_force_max_clock">強制使用最大時脈 (僅限Adreno)</string>
+    <string name="renderer_force_max_clock_description">強制 GPU 以可能的最大時脈執行 (熱溫限制仍會被套用)</string>
+    <string name="renderer_asynchronous_gpu_emulation">GPU 非同步模擬</string>
+    <string name="renderer_asynchronous_gpu_emulation_description">此修改可透過使用 GPU 非同步模擬來提升性能，不過可能會導致圖形問題且會提高在進行時序相關操作時當機的機率</string>
     <string name="renderer_reactive_flushing">使用重新啟用排清</string>
     <string name="renderer_reactive_flushing_description">犧牲效能以改善部分遊戲的轉譯準確度</string>
     <string name="enable_buffer_history">啟用緩衝區歷史</string>

src/android/app/src/main/res/values/strings.xml

@@ -580,8 +580,6 @@
     <string name="renderer_force_max_clock_description">Forces the GPU to run at the maximum possible clocks (thermal constraints will still be applied).</string>
     <string name="renderer_asynchronous_gpu_emulation">GPU async emulation</string>
     <string name="renderer_asynchronous_gpu_emulation_description">This hack can increase performance by running GPU emulation asynchronously at the cost of graphical issues and increased crash rates by timing-related operations.</string>
-    <string name="renderer_async_presentation">Asynchronous presentation</string>
-    <string name="renderer_async_presentation_description">This hack can increase performance by moving presentation to a separate CPU thread at the cost of graphical issues.</string>
     <string name="renderer_reactive_flushing">Use reactive flushing</string>
     <string name="renderer_reactive_flushing_description">Improves rendering accuracy in some games at the cost of performance.</string>
     <string name="enable_buffer_history">Enable buffer history</string>

src/common/settings.h

@@ -171,8 +171,13 @@ struct Values {
     SwitchableSetting<bool> enable_overlay{linkage, false, "enable_overlay", Category::LibraryApplet};
 
     // Audio
-    SwitchableSetting<AudioEngine> sink_id{linkage, AudioEngine::Auto, "output_engine",
-                                           Category::Audio, Specialization::RuntimeList};
+    SwitchableSetting<AudioEngine> sink_id{linkage,
+#ifdef __ANDROID__
+                                           AudioEngine::Sdl3,
+#else
+                                           AudioEngine::Auto,
+#endif
+                                           "output_engine", Category::Audio, Specialization::RuntimeList};
     SwitchableSetting<std::string> audio_output_device_id{
                                                           linkage, "auto", "output_device", Category::Audio, Specialization::RuntimeList};
     SwitchableSetting<std::string> audio_input_device_id{
@@ -472,13 +477,8 @@ struct Values {
     SwitchableSetting<bool> frame_gen_dump_flow{linkage, false, "frame_gen_dump_flow",
                                                 Category::Renderer};
 
-    SwitchableSetting<bool> use_asynchronous_gpu_emulation{linkage,
-#ifdef __ANDROID__
-        false,
-#else
-        true,
-#endif
-        "use_asynchronous_gpu_emulation", Category::Renderer};
+    SwitchableSetting<bool> use_asynchronous_gpu_emulation{linkage, true, "use_asynchronous_gpu_emulation",
+                                                           Category::Renderer};
     // *nix platforms may have issues with the borderless windowed fullscreen mode.
     // Default to exclusive fullscreen on these platforms for now.
     SwitchableSetting<FullscreenMode, true> fullscreen_mode{linkage,
@@ -537,7 +537,7 @@ struct Values {
                                                            "vram_usage_mode",
                                                            Category::RendererAdvanced};
 
-    SwitchableSetting<NvdecEmulation> nvdec_emulation{linkage, NvdecEmulation::Gpu,
+    SwitchableSetting<NvdecEmulation> nvdec_emulation{linkage, NvdecEmulation::Cpu,
                                                       "nvdec_emulation", Category::RendererAdvanced};
 
     SwitchableSetting<AnisotropyMode, true> max_anisotropy{linkage,
@@ -645,7 +645,7 @@ struct Values {
         linkage, false, "nce_runtime_nro_patch", Category::RendererHacks};
     SwitchableSetting<bool> async_presentation{linkage,
 #ifdef __ANDROID__
-                                               false,
+                                               true,
 #else
                                                false,
 #endif
@@ -657,9 +657,6 @@ struct Values {
     SwitchableSetting<bool> emulate_bgr565{linkage, false, "emulate_bgr565",
                                             Category::RendererHacks};
 
-    SwitchableSetting<bool> rescale_hack{linkage, false, "rescale_hack",
-                                         Category::RendererHacks};
-
     SwitchableSetting<bool> use_asynchronous_shaders{linkage, false, "use_asynchronous_shaders",
                                                      Category::RendererHacks};
 
@@ -936,7 +933,7 @@ struct Values {
     // Network
     Setting<std::string> network_interface{linkage, std::string(), "network_interface",
                                            Category::Network};
-    SwitchableSetting<bool> airplane_mode{linkage, false, "airplane_mode", Category::Network};
+    SwitchableSetting<bool> airplane_mode{linkage, true, "airplane_mode", Category::Network};
 
     // WebService
     Setting<std::string> web_api_url{linkage, "api.ynet-fun.xyz", "web_api_url",

src/core/file_sys/fs_path.h

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -146,16 +143,20 @@ public:
         return m_str;
     }
 
-    size_t GetLength() const {
-        return std::strlen(this->GetString());
+    constexpr size_t GetLength() const {
+        if (std::is_constant_evaluated()) {
+            return Strlen(this->GetString());
+        } else {
+            return std::strlen(this->GetString());
+        }
     }
 
     constexpr bool IsEmpty() const {
         return *m_str == '\x00';
     }
 
-    bool IsMatchHead(const char* p, size_t len) const {
-        return std::strncmp(this->GetString(), p, len) == 0;
+    constexpr bool IsMatchHead(const char* p, size_t len) const {
+        return Strncmp(this->GetString(), p, len) == 0;
     }
 
     Result Initialize(const Path& rhs) {
@@ -168,7 +169,7 @@ public:
         R_TRY(this->Preallocate(len + 1));
 
         // Copy the path
-        const size_t copied = strlcpy(m_write_buffer.Get(), rhs.GetString(), len + 1);
+        const size_t copied = Strlcpy<char>(m_write_buffer.Get(), rhs.GetString(), len + 1);
         R_UNLESS(copied == len, ResultUnexpectedInPathA);
 
         // Set normalized
@@ -330,14 +331,14 @@ public:
         // Get our write buffer
         auto* dst = m_write_buffer.Get();
         if (old_write_buffer.Get() != nullptr && cur_len > 0) {
-            strlcpy(dst, old_write_buffer.Get(), cur_len + 1);
+            Strlcpy<char>(dst, old_write_buffer.Get(), cur_len + 1);
         }
 
         // Add separator
         dst[cur_len] = '/';
 
         // Copy the child path
-        const size_t copied = strlcpy(dst + cur_len + 1, c, child_len + 1);
+        const size_t copied = Strlcpy<char>(dst + cur_len + 1, c, child_len + 1);
         R_UNLESS(copied == child_len, ResultUnexpectedInPathA);
 
         R_SUCCEED();
@@ -374,7 +375,7 @@ public:
         if (m_write_buffer.Get() == nullptr) {
             if (const auto len = std::strlen(m_str); len > 0) {
                 R_TRY(this->Preallocate(len));
-                strlcpy(m_write_buffer.Get(), m_str, len + 1);
+                Strlcpy<char>(m_write_buffer.Get(), m_str, len + 1);
             }
         }
 
@@ -496,7 +497,7 @@ private:
             R_TRY(this->Preallocate(size + 1));
 
             // Copy the path
-            const size_t copied = strlcpy(m_write_buffer.Get(), path, size + 1);
+            const size_t copied = Strlcpy<char>(m_write_buffer.Get(), path, size + 1);
             R_UNLESS(copied >= size, ResultUnexpectedInPathA);
         } else {
             // We can just clear the buffer

src/core/file_sys/fs_path_utility.h

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
@@ -1217,7 +1217,7 @@ public:
                 replaced_src = static_cast<char*>(Allocate(replaced_src_len));
             }
 
-            strlcpy(replaced_src, src, replaced_src_len);
+            Strlcpy<char>(replaced_src, src, replaced_src_len);
 
             Replace(replaced_src, replaced_src_len, AlternateDirectorySeparator,
                     DirectorySeparator);

src/core/file_sys/fs_string_util.h

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -10,6 +7,85 @@
 
 namespace FileSys {
 
+template <typename T>
+constexpr int Strlen(const T* str) {
+    ASSERT(str != nullptr);
+
+    int length = 0;
+    while (*str++) {
+        ++length;
+    }
+
+    return length;
+}
+
+template <typename T>
+constexpr int Strnlen(const T* str, std::size_t count) {
+    return Strnlen(str, static_cast<int>(count));
+}
+
+template <typename T>
+constexpr int Strnlen(const T* str, int count) {
+    ASSERT(str != nullptr);
+    ASSERT(count >= 0);
+
+    int length = 0;
+    while (count-- && *str++) {
+        ++length;
+    }
+
+    return length;
+}
+
+template <typename T>
+constexpr int Strncmp(const T* lhs, const T* rhs, std::size_t count) {
+    return Strncmp(lhs, rhs, static_cast<int>(count));
+}
+
+template <typename T>
+constexpr int Strncmp(const T* lhs, const T* rhs, int count) {
+    ASSERT(lhs != nullptr);
+    ASSERT(rhs != nullptr);
+    ASSERT(count >= 0);
+
+    if (count == 0) {
+        return 0;
+    }
+
+    T l, r;
+    do {
+        l = *(lhs++);
+        r = *(rhs++);
+    } while (l && (l == r) && (--count));
+
+    return l - r;
+}
+
+template <typename T>
+static constexpr int Strlcpy(T* dst, const T* src, std::size_t count) {
+    return Strlcpy<T>(dst, src, static_cast<int>(count));
+}
+
+template <typename T>
+static constexpr int Strlcpy(T* dst, const T* src, int count) {
+    ASSERT(dst != nullptr);
+    ASSERT(src != nullptr);
+
+    const T* cur = src;
+    if (count > 0) {
+        while ((--count) && *cur) {
+            *(dst++) = *(cur++);
+        }
+        *dst = 0;
+    }
+
+    while (*cur) {
+        cur++;
+    }
+
+    return static_cast<int>(cur - src);
+}
+
 enum CharacterEncodingResult {
     CharacterEncodingResult_Success = 0,
     CharacterEncodingResult_InsufficientLength = 1,

src/qt_common/config/shared_translation.cpp

@@ -279,12 +279,6 @@ std::unique_ptr<TranslationMap> InitializeTranslations(QObject* parent) {
               "quality and performance consistency in some games."));
     INSERT(Settings, fix_bloom_effects, tr("Fix bloom effects"), tr("Removes bloom in Burnout."));
 
-    INSERT(Settings, rescale_hack, tr("Enable Legacy Rescale Pass"),
-           tr("May fix rescale issues in some games by relying on behavior from the previous "
-              "implementation.\n"
-              "Legacy behavior workaround that fixes line artifacts on AMD and Intel GPUs, and "
-              "grey texture flicker on Nvidia GPUs in Luigis Mansion 3."));
-
     // Renderer (Extensions)
     INSERT(Settings, dyna_state, tr("Extended Dynamic State"),
            tr("Controls the number of features that can be used in Extended Dynamic State.\n"

src/shader_recompiler/frontend/maxwell/translate_program.cpp

@@ -301,7 +301,7 @@ IR::Program TranslateProgram(ObjectPool<IR::Inst>& inst_pool, ObjectPool<IR::Blo
     Optimization::GlobalMemoryToStorageBufferPass(program, normalized_host_info);
     Optimization::TexturePass(env, program, normalized_host_info);
 
-    if (Settings::values.resolution_info.active || Settings::values.rescale_hack.GetValue()) {
+    if (Settings::values.resolution_info.active) {
         Optimization::RescalingPass(program);
     }
     Optimization::DeadCodeEliminationPass(program);

src/shader_recompiler/ir_opt/passes.h

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -28,6 +31,7 @@ void TexturePass(Environment& env, IR::Program& program, const HostTranslateInfo
 void LayerPass(IR::Program& program, const HostTranslateInfo& host_info);
 void VendorWorkaroundPass(IR::Program& program);
 void VerificationPass(const IR::Program& program);
+bool HasBrokenPattern(const IR::Program& program);
 
 // Dual Vertex
 void VertexATransformPass(IR::Program& program);

src/shader_recompiler/ir_opt/rescaling_pass.cpp

@@ -67,18 +67,11 @@ void VisitMark(IR::Block& block, IR::Inst& inst) {
         if (must_patch_outside) {
             const auto it{IR::Block::InstructionList::s_iterator_to(inst)};
             IR::IREmitter ir{block, it};
-            if (Settings::values.rescale_hack.GetValue()) {
-                const IR::F32 new_inst{&*block.PrependNewInst(it, inst)};
-                const IR::F32 up_factor{ir.FPRecip(ir.ResolutionDownFactor())};
-                const IR::Value converted{ir.FPMul(new_inst, up_factor)};
-                inst.ReplaceUsesWith(converted);
-            } else {
-                IR::Inst* const new_inst{&*block.PrependNewInst(it, inst)};
-                const IR::F32 new_bitcast{ir.ConvertUToF(32, 32, IR::Value{new_inst})};
-                const IR::F32 up_factor{ir.FPRecip(ir.ResolutionDownFactor())};
-                const IR::Value converted{ir.FPMul(new_bitcast, up_factor)};
-                inst.ReplaceUsesWith(converted);
-            }
+            IR::Inst* const new_inst{&*block.PrependNewInst(it, inst)};
+            const IR::F32 new_bitcast{ir.ConvertUToF(32, 32, IR::Value{new_inst})};
+            const IR::F32 up_factor{ir.FPRecip(ir.ResolutionDownFactor())};
+            const IR::Value converted{ir.FPMul(new_bitcast, up_factor)};
+            inst.ReplaceUsesWith(converted);
         }
         break;
     }

src/shader_recompiler/ir_opt/vendor_workaround_pass.cpp

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -76,4 +79,44 @@ void VendorWorkaroundPass(IR::Program& program) {
     }
 }
 
+bool HasBrokenPattern(const IR::Program& program) {
+    if (program.stage != Stage::Fragment) {
+        return false;
+    }
+    for (const IR::Block* block : program.post_order_blocks) {
+        for (const IR::Inst& inst : block->Instructions()) {
+            switch (inst.GetOpcode()) {
+            case IR::Opcode::ShuffleIndex:
+            case IR::Opcode::ShuffleUp:
+            case IR::Opcode::ShuffleDown:
+            case IR::Opcode::ShuffleButterfly:
+                break;
+            default:
+                continue;
+            }
+            const IR::Value shuffle_arg{inst.Arg(0)};
+            if (shuffle_arg.IsImmediate()) {
+                continue;
+            }
+            const IR::Inst* bitcast{shuffle_arg.InstRecursive()};
+            if (!bitcast || bitcast->GetOpcode() != IR::Opcode::BitCastU32F32) {
+                continue;
+            }
+            const IR::Value bitcast_arg{bitcast->Arg(0)};
+            if (bitcast_arg.IsImmediate()) {
+                continue;
+            }
+            const IR::Inst* attribute{bitcast_arg.InstRecursive()};
+            if (!attribute || attribute->GetOpcode() != IR::Opcode::GetAttribute) {
+                continue;
+            }
+            const IR::Attribute attr{attribute->Arg(0).Attribute()};
+            if (attr == IR::Attribute::PositionX || attr == IR::Attribute::PositionY) {
+                return true;
+            }
+        }
+    }
+    return false;
+}
+
 } // namespace Shader::Optimization

src/video_core/renderer_vulkan/renderer_vulkan.cpp

@@ -217,13 +217,15 @@ void RendererVulkan::Composite(std::span<const Tegra::FramebufferConfig> framebu
 
     scheduler.RequestOutsideRenderPassOperationContext();
     blit_swapchain.DrawToFrame(device, rasterizer, frame, framebuffers,
-                               render_window.GetFramebufferLayout(), swapchain.GetImageCount(),
+                               render_window.GetFramebufferLayout(),
+                               present_manager.SwapchainImageCount(),
                                swapchain.GetImageViewFormat());
 
 #ifdef HAS_LSFG
     void(frame_gen.WantedGenerations(present_manager.MaxExtraFrames()));
 
-    frame_gen.Process(device, frame, swapchain.GetImageFormat(), GuestExtent(framebuffers));
+    frame_gen.Process(device, frame, present_manager.SwapchainImageFormat(),
+                      GuestExtent(framebuffers));
 
     const size_t generated_frames = frame_gen.GeneratedFrameCount();
     for (size_t generation = 0; generation < generated_frames; ++generation) {

src/video_core/renderer_vulkan/vk_pipeline_cache.cpp

@@ -23,6 +23,7 @@
 #include "shader_recompiler/environment.h"
 #include "shader_recompiler/frontend/maxwell/control_flow.h"
 #include "shader_recompiler/frontend/maxwell/translate_program.h"
+#include "shader_recompiler/ir_opt/passes.h"
 #include "shader_recompiler/program_header.h"
 #include "video_core/engines/kepler_compute.h"
 #include "video_core/engines/maxwell_3d.h"
@@ -826,6 +827,11 @@ std::unique_ptr<GraphicsPipeline> PipelineCache::CreateGraphicsPipeline(
             programs[index] = MergeDualVertexPrograms(program_va, program_vb, env);
         }
 
+        if (device.GetDriverID() != VK_DRIVER_ID_NVIDIA_PROPRIETARY && Shader::Optimization::HasBrokenPattern(programs[index])) {
+            LOG_WARNING(Render_Vulkan, "0x{:016x}: Skipping shader with known issues", key.unique_hashes[index]);
+            return nullptr;
+        }
+
         if (Settings::values.dump_guest_shaders) {
             env.Dump(hash, key.unique_hashes[index]);
         }

src/video_core/renderer_vulkan/vk_present_manager.cpp

@@ -23,6 +23,7 @@ namespace Vulkan {
 namespace {
 
 constexpr size_t MAX_FRAMES_IN_FLIGHT = 7;
+constexpr u32 MAX_PRESENT_ATTEMPTS = 3;
 #ifdef HAS_LSFG
 static_assert(MAX_FRAMES_IN_FLIGHT <= LSFG_MAX_TARGETS);
 #endif
@@ -372,12 +373,33 @@ void PresentManager::SetImageCount() {
 #else
     image_count = std::min<size_t>(swapchain.GetImageCount(), MAX_FRAMES_IN_FLIGHT);
 #endif
+    swapchain_image_count = swapchain.GetImageCount();
+    swapchain_image_format = swapchain.GetImageFormat();
+}
+
+void PresentManager::DiscardFrame(Frame* frame) {
+    static constexpr VkPipelineStageFlags wait_stage = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
+    const VkSemaphore render_ready = *frame->render_ready;
+    const VkSubmitInfo submit_info{
+        .sType = VK_STRUCTURE_TYPE_SUBMIT_INFO,
+        .pNext = nullptr,
+        .waitSemaphoreCount = 1U,
+        .pWaitSemaphores = &render_ready,
+        .pWaitDstStageMask = &wait_stage,
+        .commandBufferCount = 0U,
+        .pCommandBuffers = nullptr,
+        .signalSemaphoreCount = 0U,
+        .pSignalSemaphores = nullptr,
+    };
+
+    std::scoped_lock submit_lock{scheduler.submit_mutex};
+    void(device.GetGraphicsQueue().Submit(submit_info, *frame->present_done));
 }
 
 void PresentManager::CopyToSwapchain(Frame* frame) {
     bool requires_recreation = false;
 
-    while (true) {
+    for (u32 attempt = 0; attempt < MAX_PRESENT_ATTEMPTS; ++attempt) {
         try {
             // Recreate surface and swapchain if needed.
             if (requires_recreation) {
@@ -397,6 +419,8 @@ void PresentManager::CopyToSwapchain(Frame* frame) {
             requires_recreation = true;
         }
     }
+
+    DiscardFrame(frame);
 }
 
 void PresentManager::CopyToSwapchainImpl(Frame* frame) {

src/video_core/renderer_vulkan/vk_present_manager.h

@@ -6,6 +6,7 @@
 
 #pragma once
 
+#include <atomic>
 #include <condition_variable>
 #include <mutex>
 #include <boost/container/deque.hpp>
@@ -68,6 +69,9 @@ public:
     /// How many additional frames can be queued without stalling the render thread
     [[nodiscard]] size_t MaxExtraFrames() const;
 
+    [[nodiscard]] std::size_t SwapchainImageCount() const { return swapchain_image_count; }
+    [[nodiscard]] VkFormat SwapchainImageFormat() const { return swapchain_image_format; }
+
 private:
     void PresentThread(std::stop_token token);
 
@@ -77,6 +81,8 @@ private:
 
     void RecreateSwapchain(Frame* frame);
 
+    void DiscardFrame(Frame* frame);
+
     void SetImageCount();
 
 private:
@@ -100,7 +106,9 @@ private:
     bool blit_supported;
     bool storage_supported;
     bool use_present_thread;
-    std::size_t image_count{};
+    std::atomic<std::size_t> image_count{};
+    std::atomic<std::size_t> swapchain_image_count{};
+    std::atomic<VkFormat> swapchain_image_format{};
 };
 
 } // namespace Vulkan