diff options
Diffstat (limited to 'src/video_core/buffer_cache/buffer_cache.h')
-rw-r--r-- | src/video_core/buffer_cache/buffer_cache.h | 34 |
1 files changed, 30 insertions, 4 deletions
diff --git a/src/video_core/buffer_cache/buffer_cache.h b/src/video_core/buffer_cache/buffer_cache.h index 200d792dd..644c6e57e 100644 --- a/src/video_core/buffer_cache/buffer_cache.h +++ b/src/video_core/buffer_cache/buffer_cache.h @@ -76,8 +76,9 @@ class BufferCache { static constexpr BufferId NULL_BUFFER_ID{0}; - static constexpr u64 EXPECTED_MEMORY = 512_MiB; - static constexpr u64 CRITICAL_MEMORY = 1_GiB; + static constexpr s64 DEFAULT_EXPECTED_MEMORY = 512_MiB; + static constexpr s64 DEFAULT_CRITICAL_MEMORY = 1_GiB; + static constexpr s64 TARGET_THRESHOLD = 4_GiB; using Maxwell = Tegra::Engines::Maxwell3D::Regs; @@ -436,6 +437,8 @@ private: Common::LeastRecentlyUsedCache<LRUItemParams> lru_cache; u64 frame_tick = 0; u64 total_used_memory = 0; + u64 minimum_memory = 0; + u64 critical_memory = 0; std::array<BufferId, ((1ULL << 39) >> PAGE_BITS)> page_table; }; @@ -451,11 +454,30 @@ BufferCache<P>::BufferCache(VideoCore::RasterizerInterface& rasterizer_, // Ensure the first slot is used for the null buffer void(slot_buffers.insert(runtime, NullBufferParams{})); common_ranges.clear(); + + if (!runtime.CanReportMemoryUsage()) { + minimum_memory = DEFAULT_EXPECTED_MEMORY; + critical_memory = DEFAULT_CRITICAL_MEMORY; + return; + } + + const s64 device_memory = static_cast<s64>(runtime.GetDeviceLocalMemory()); + const s64 min_spacing_expected = device_memory - 1_GiB - 512_MiB; + const s64 min_spacing_critical = device_memory - 1_GiB; + const s64 mem_tresshold = std::min(device_memory, TARGET_THRESHOLD); + const s64 min_vacancy_expected = (6 * mem_tresshold) / 10; + const s64 min_vacancy_critical = (3 * mem_tresshold) / 10; + minimum_memory = static_cast<u64>( + std::max(std::min(device_memory - min_vacancy_expected, min_spacing_expected), + DEFAULT_EXPECTED_MEMORY)); + critical_memory = static_cast<u64>( + std::max(std::min(device_memory - min_vacancy_critical, min_spacing_critical), + DEFAULT_CRITICAL_MEMORY)); } template <class P> void BufferCache<P>::RunGarbageCollector() { - const bool aggressive_gc = total_used_memory >= CRITICAL_MEMORY; + const bool aggressive_gc = total_used_memory >= critical_memory; const u64 ticks_to_destroy = aggressive_gc ? 60 : 120; int num_iterations = aggressive_gc ? 64 : 32; const auto clean_up = [this, &num_iterations](BufferId buffer_id) { @@ -486,7 +508,11 @@ void BufferCache<P>::TickFrame() { const bool skip_preferred = hits * 256 < shots * 251; uniform_buffer_skip_cache_size = skip_preferred ? DEFAULT_SKIP_CACHE_SIZE : 0; - if (total_used_memory >= EXPECTED_MEMORY) { + // If we can obtain the memory info, use it instead of the estimate. + if (runtime.CanReportMemoryUsage()) { + total_used_memory = runtime.GetDeviceMemoryUsage(); + } + if (total_used_memory >= minimum_memory) { RunGarbageCollector(); } ++frame_tick; |