raphiaura/KytyPS5
1
0
Fork 0
mirror of https://github.com/KytyPS5/KytyPS5.git synced 2026-10-20 19:07:01 +02:00
Code Issues Packages Projects Releases Wiki Activity

gpu: limit buffer readback to requested dirty pages

Browse Source
This commit is contained in:
nmzik
2026-10-04 13:24:40 +04:00
parent efbaa17f71
commit 0ce84e59b6
2 changed files with 90 additions and 78 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/graphics/host_gpu/renderer/cache/bufferCache.cpp
Vendored
+2 -9
View File
@@ -258,15 +258,8 @@ void BufferCache::ReadMemory(uint64_t vaddr, uint64_t size, bool is_write) {
}
auto& buffer = m_slot_buffers[FindBuffer(vaddr, size)];
// Widen nearby CPU reads so they share one GPU drain.
constexpr uint64_t WindowSize = 512 * 1024;
const auto buffer_begin = buffer.CpuAddress();
const auto buffer_end = buffer_begin + buffer.Size();
const auto window_begin = std::max(Common::AlignDown(vaddr, WindowSize), buffer_begin);
const auto window_end = std::min(std::max(window_begin + WindowSize, vaddr + size), buffer_end);
if (DownloadBufferMemory<false>(buffer, window_begin, window_end - window_begin)) {
m_memory_tracker.UnmarkRegionAsGpuModified(window_begin, window_end - window_begin);
if (DownloadBufferMemory<false>(buffer, vaddr, size)) {
m_memory_tracker.UnmarkRegionAsGpuModified(vaddr, size);
}
if (is_write) {
m_memory_tracker.MarkRegionAsCpuModified(vaddr, size);