[video_core] Add ability for integrated devices to control the amount of memory used by the emulator (#2528)

This adds the ability for integrated devices to control the amount of memory used by the emulator.

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/2528
Reviewed-by: Lizzie <lizzie@eden-emu.dev>
Reviewed-by: Shinmegumi <shinmegumi@eden-emu.dev>
Co-authored-by: MaranBr <maranbr@outlook.com>
Co-committed-by: MaranBr <maranbr@outlook.com>

1 files changed, 6 insertions, 9 deletions

diff --git a/src/video_core/vulkan_common/vulkan_device.cpp b/src/video_core/vulkan_common/vulkan_device.cpp
index 6d7c33099b..41917a1b90 100644
--- a/src/video_core/vulkan_common/vulkan_device.cpp
+++ b/src/video_core/vulkan_common/vulkan_device.cpp
@@ -1395,23 +1395,20 @@ void Device::CollectPhysicalMemoryInfo() {
         }
         device_access_memory += mem_properties.memoryHeaps[element].size;
     }
-    if (!is_integrated) {
+    if (is_integrated) {
+        const s64 available_memory = static_cast<s64>(device_access_memory - device_initial_usage);
+        const u64 memory_size = Settings::values.vram_usage_mode.GetValue() == Settings::VramUsageMode::Aggressive ? 6_GiB : 4_GiB;
+        device_access_memory = static_cast<u64>(std::max<s64>(std::min<s64>(available_memory - 8_GiB, memory_size), std::min<s64>(local_memory, memory_size)));
+    } else {
         const u64 reserve_memory = std::min<u64>(device_access_memory / 8, 1_GiB);
         device_access_memory -= reserve_memory;
-
         if (Settings::values.vram_usage_mode.GetValue() != Settings::VramUsageMode::Aggressive) {
             // Account for resolution scaling in memory limits
             const size_t normal_memory = 6_GiB;
             const size_t scaler_memory = 1_GiB * Settings::values.resolution_info.ScaleUp(1);
-            device_access_memory =
-                std::min<u64>(device_access_memory, normal_memory + scaler_memory);
+            device_access_memory = std::min<u64>(device_access_memory, normal_memory + scaler_memory);
         }
-
-        return;
     }
-    const s64 available_memory = static_cast<s64>(device_access_memory - device_initial_usage);
-    device_access_memory = static_cast<u64>(std::max<s64>(
-        std::min<s64>(available_memory - 8_GiB, 6_GiB), std::min<s64>(local_memory, 6_GiB)));
 }
 
 void Device::CollectToolingInfo() {