Port UMA part 5.1

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

@@ -31,6 +31,7 @@ enum class BooleanSetting(override val key: String) : AbstractBooleanSetting {
     ENABLE_BUFFER_HISTORY("enable_buffer_history"),
     USE_OPTIMIZED_VERTEX_BUFFERS("use_optimized_vertex_buffers"),
     ENABLE_GPU_BUFFER_READBACK("enable_gpu_buffer_readback"),
+    USE_UNIFIED_MEMORY("use_unified_memory"),
     SYNC_MEMORY_OPERATIONS("sync_memory_operations"),
     BUFFER_REORDER_DISABLE("disable_buffer_reorder"),
     RENDERER_DEBUG("debug"),

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

@@ -874,6 +874,13 @@ abstract class SettingsItem(
                     descriptionId = R.string.enable_gpu_buffer_readback_description
                 )
             )
+            put(
+                SwitchSetting(
+                    BooleanSetting.USE_UNIFIED_MEMORY,
+                    titleId = R.string.use_unified_memory,
+                    descriptionId = R.string.use_unified_memory_description
+                )
+            )
             put(
                 SwitchSetting(
                     BooleanSetting.USE_OPTIMIZED_VERTEX_BUFFERS,

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

@@ -551,6 +551,7 @@ class SettingsFragmentPresenter(
             add(BooleanSetting.RENDERER_BARRIER_FEEDBACK_LOOPS.key)
             add(BooleanSetting.ENABLE_BUFFER_HISTORY.key)
             add(BooleanSetting.ENABLE_GPU_BUFFER_READBACK.key)
+            add(BooleanSetting.USE_UNIFIED_MEMORY.key)
             add(BooleanSetting.USE_OPTIMIZED_VERTEX_BUFFERS.key)
 
             add(HeaderSetting(R.string.hacks))

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

@@ -587,6 +587,8 @@
     <string name="enable_buffer_history">Enable buffer history</string>
     <string name="enable_buffer_history_description">Enables access to previous buffer states. This option may improve rendering quality and performance consistency in some games.</string>
     <string name="enable_gpu_buffer_readback">Enable GPU Buffer Readback</string>
+    <string name="use_unified_memory">Unified Memory</string>
+    <string name="use_unified_memory_description">Backs part of the emulated memory with GPU-shared buffers so textures are unswizzled directly from it, skipping a CPU copy. Needs 12 GB of RAM or more and a GPU with I/O coherency; it turns itself off otherwise. Takes effect on the next game launch.</string>
     <string name="enable_gpu_buffer_readback_description">Preserves GPU-modified buffer data by reading it back before uploads. Some games require this to render certain effects properly. May cause issues if the hardware cannot handle the additional workload.</string>
     <string name="use_optimized_vertex_buffers">Optimized Vertex Buffers</string>
     <string name="use_optimized_vertex_buffers_description">Enables optimized vertex buffer binding for improved performance. Requires Mesa 26.0+ Turnip drivers/ QCOM drivers. Will crash on older Turnip drivers (25.3 and below).</string>