2026-09-17 05:45:29

Signed-off-by: lizzie <lizzie@eden-emu.dev>

src/common/CMakeLists.txt

@@ -36,6 +36,7 @@ add_library(
     cityhash.h
     common_funcs.h
     common_types.h
+    concepts.h
     container_hash.h
     demangle.cpp
     demangle.h

src/common/concepts.h

@@ -0,0 +1,18 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <iterator>
+#include <type_traits>
+
+namespace Common {
+
+// Check if type satisfies the ContiguousContainer named requirement.
+template <typename T>
+concept IsContiguousContainer = std::contiguous_iterator<typename T::iterator>;
+
+} // namespace Common

src/common/fixed_point.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: 2015 Evan Teran
@@ -15,6 +15,8 @@
 #include <ostream>
 #include <type_traits>
 
+#include <common/concepts.h>
+
 namespace Common {
 
 // No equivalent for "std::arithmetic" in the stdlib

src/common/fs/file.h

@@ -6,12 +6,12 @@
 
 #pragma once
 
-#include <concepts>
 #include <cstdio>
 #include <filesystem>
 #include <span>
 #include <type_traits>
 
+#include "common/concepts.h"
 #include "common/fs/fs_types.h"
 #include "common/fs/fs_util.h"
 
@@ -212,7 +212,7 @@ public:
 
     /**
      * Helper function which deduces the value type of a contiguous STL container used in ReadSpan.
-     * If T is not a contiguous container as defined by the concept, this
+     * If T is not a contiguous container as defined by the concept IsContiguousContainer, this
      * calls ReadObject and T must be a trivially copyable object.
      *
      * See ReadSpan for more details if T is a contiguous container.
@@ -226,7 +226,7 @@ public:
      */
     template <typename T>
     [[nodiscard]] size_t Read(T& data) const {
-        if constexpr (std::contiguous_iterator<typename T::iterator>) {
+        if constexpr (IsContiguousContainer<T>) {
             using ContiguousType = typename T::value_type;
             static_assert(std::is_trivially_copyable_v<ContiguousType>,
                           "Data type must be trivially copyable.");
@@ -238,7 +238,7 @@ public:
 
     /**
      * Helper function which deduces the value type of a contiguous STL container used in WriteSpan.
-     * If T is not a contiguous STL container as defined by the concept, this
+     * If T is not a contiguous STL container as defined by the concept IsContiguousContainer, this
      * calls WriteObject and T must be a trivially copyable object.
      *
      * See WriteSpan for more details if T is a contiguous container.
@@ -252,7 +252,7 @@ public:
      */
     template <typename T>
     [[nodiscard]] size_t Write(const T& data) const {
-        if constexpr (std::contiguous_iterator<typename T::iterator>) {
+        if constexpr (IsContiguousContainer<T>) {
             using ContiguousType = typename T::value_type;
             static_assert(std::is_trivially_copyable_v<ContiguousType>,
                           "Data type must be trivially copyable.");

src/common/settings.h

@@ -649,10 +649,10 @@ struct Values {
 
     SwitchableSetting<bool> fix_bloom_effects{linkage, false, "fix_bloom_effects",
                                                      Category::RendererHacks};
-
+#ifdef __ANDROID__
     SwitchableSetting<bool> emulate_bgr565{linkage, false, "emulate_bgr565",
                                             Category::RendererHacks};
-
+#endif
     SwitchableSetting<bool> rescale_hack{linkage, false, "rescale_hack",
                                          Category::RendererHacks};
     SwitchableSetting<bool> enable_gpu_buffer_readback{linkage,

src/core/hle/service/hle_ipc.h

@@ -6,7 +6,6 @@
 
 #pragma once
 
-#include <concepts>
 #include <array>
 #include <functional>
 #include <memory>
@@ -19,6 +18,7 @@
 
 #include "common/assert.h"
 #include "common/common_types.h"
+#include "common/concepts.h"
 #include "common/swap.h"
 #include "core/hle/ipc.h"
 #include "core/hle/kernel/k_handle_table.h"
@@ -292,20 +292,18 @@ public:
      * @param data         The container/data to write into a buffer.
      * @param buffer_index The buffer in particular to write to.
      */
-    template <typename T>
+    template <typename T, typename = std::enable_if_t<!std::is_pointer_v<T>>>
-        requires (!std::is_pointer_v<T>
-            && std::contiguous_iterator<typename T::iterator>)
     std::size_t WriteBuffer(const T& data, std::size_t buffer_index = 0) const {
-        using C = typename T::value_type;
+        if constexpr (Common::IsContiguousContainer<T>) {
-        static_assert(std::is_trivially_copyable_v<C>, "Container to WriteBuffer must contain trivially copyable objects");
+            using ContiguousType = typename T::value_type;
-        return WriteBuffer(std::data(data), std::size(data) * sizeof(C), buffer_index);
+            static_assert(std::is_trivially_copyable_v<ContiguousType>,
-    }
+                          "Container to WriteBuffer must contain trivially copyable objects");
-    template <typename T>
+            return WriteBuffer(std::data(data), std::size(data) * sizeof(ContiguousType),
-        requires (!std::is_pointer_v<T>
+                               buffer_index);
-            && !std::contiguous_iterator<typename T::iterator>)
+        } else {
-    std::size_t WriteBuffer(const T& data, std::size_t buffer_index = 0) const {
+            static_assert(std::is_trivially_copyable_v<T>, "T must be trivially copyable");
-        static_assert(std::is_trivially_copyable_v<T>, "T must be trivially copyable");
+            return WriteBuffer(&data, sizeof(T), buffer_index);
-        return WriteBuffer(&data, sizeof(T), buffer_index);
+        }
     }
 
     /// Helper function to get the size of the input buffer

src/core/hle/service/nvdrv/devices/ioctl_serialization.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 2023 yuzu Emulator Project
@@ -9,6 +9,7 @@
 #include <span>
 #include <vector>
 
+#include "common/concepts.h"
 #include "core/hle/service/nvdrv/devices/nvdevice.h"
 
 namespace Service::Nvidia::Devices {

src/core/loader/loader.cpp

@@ -10,6 +10,7 @@
 #include <string>
 #include <concepts>
 #include <algorithm>
+#include "common/concepts.h"
 #include "common/fs/path_util.h"
 #include "common/logging.h"
 #include "common/string_util.h"

src/video_core/vulkan_common/vulkan_device.cpp

@@ -993,7 +993,11 @@ bool Device::HasTimelineSemaphore() const {
 }
 
 bool Device::MustEmulateBGR565() const {
+#ifdef __ANDROID__
     return Settings::values.emulate_bgr565.GetValue();
+#else
+    return false;
+#endif
 }
 
 bool Device::GetSuitability(bool requires_swapchain) {

src/yuzu/configuration/shared_widget.cpp

@@ -774,7 +774,7 @@ Builder::~Builder() = default;
 
 static bool IsAndroidOnly(const Settings::BasicSetting& setting) {
     const std::string& label = setting.GetLabel();
-    return label.starts_with("frame_gen") || label == "emulate_bgr565";
+    return label.starts_with("frame_gen");
 }
 
 Widget* Builder::BuildWidget(Settings::BasicSetting* setting,