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[VK] Refine VRAM allocation strategy for improved stability and performance #334

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CamilleLaVey merged 1 commit from smo-slow-fix into master 2025-08-27 22:19:18 +02:00
Conversation 1 Commits 1 Files changed 1 +4 -4
1 changed files with 4 additions and 4 deletions
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8
src/video_core/vulkan_common/vulkan_device.cpp
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@ -1378,13 +1378,13 @@ void Device::CollectPhysicalMemoryInfo() {
device_access_memory += mem_properties.memoryHeaps[element].size;
}
if (!is_integrated) {
const u64 reserve_memory = std::min<u64>(device_access_memory / 8, 1_GiB);
const u64 reserve_memory = std::min<u64>(device_access_memory / 4, 2_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);
const size_t normal_memory = 8_GiB;
const size_t scaler_memory = 2_GiB * Settings::values.resolution_info.ScaleUp(1);
device_access_memory =
std::min<u64>(device_access_memory, normal_memory + scaler_memory);
}
@ -1393,7 +1393,7 @@ void Device::CollectPhysicalMemoryInfo() {
}
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, 4_GiB), std::min<s64>(local_memory, 4_GiB)));
std::min<s64>(available_memory - 4_GiB, 6_GiB), std::min<s64>(local_memory, 6_GiB)));
}
void Device::CollectToolingInfo() {