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BufferCache: Additional download fixes.
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parent
f75544a943
commit
2c8f4ed27f
2 changed files with 107 additions and 23 deletions
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@ -336,6 +336,7 @@ private:
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std::vector<BufferId> cached_write_buffer_ids;
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IntervalSet uncommitted_ranges;
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IntervalSet common_ranges;
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std::deque<IntervalSet> committed_ranges;
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size_t immediate_buffer_capacity = 0;
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@ -359,6 +360,7 @@ BufferCache<P>::BufferCache(VideoCore::RasterizerInterface& rasterizer_,
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// Ensure the first slot is used for the null buffer
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void(slot_buffers.insert(runtime, NullBufferParams{}));
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deletion_iterator = slot_buffers.end();
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common_ranges.clear();
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}
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template <class P>
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@ -592,19 +594,56 @@ void BufferCache<P>::CommitAsyncFlushesHigh() {
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const VAddr cpu_addr_end = interval.upper();
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ForEachBufferInRange(cpu_addr, size, [&](BufferId buffer_id, Buffer& buffer) {
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boost::container::small_vector<BufferCopy, 1> copies;
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buffer.ForEachDownloadRange(cpu_addr, size, true,
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[&](u64 range_offset, u64 range_size) {
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downloads.push_back({
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BufferCopy{
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.src_offset = range_offset,
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.dst_offset = total_size_bytes,
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.size = range_size,
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},
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buffer_id,
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});
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total_size_bytes += range_size;
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largest_copy = std::max(largest_copy, range_size);
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});
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buffer.ForEachDownloadRange(
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cpu_addr, size, true, [&](u64 range_offset, u64 range_size) {
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const VAddr buffer_addr = buffer.CpuAddr();
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const auto add_download = [&](VAddr start, VAddr end) {
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const u64 new_offset = start - buffer_addr;
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const u64 new_size = end - start;
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downloads.push_back({
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BufferCopy{
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.src_offset = new_offset,
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.dst_offset = total_size_bytes,
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.size = new_size,
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},
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buffer_id,
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});
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// Align up to avoid cache conflicts
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constexpr u64 align = 256ULL;
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constexpr u64 mask = ~(align - 1ULL);
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total_size_bytes += (new_size + align - 1) & mask;
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largest_copy = std::max(largest_copy, new_size);
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};
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const VAddr start_address = buffer_addr + range_offset;
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const VAddr end_address = start_address + range_size;
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const IntervalType search_interval{cpu_addr, 1};
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auto it = common_ranges.lower_bound(search_interval);
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if (it == common_ranges.end()) {
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it = common_ranges.begin();
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}
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while (it != common_ranges.end()) {
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VAddr inter_addr_end = it->upper();
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VAddr inter_addr = it->lower();
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if (inter_addr >= end_address) {
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break;
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}
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if (inter_addr_end <= start_address) {
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it++;
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continue;
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}
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if (inter_addr_end > end_address) {
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inter_addr_end = end_address;
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}
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if (inter_addr < start_address) {
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inter_addr = start_address;
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}
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add_download(inter_addr, inter_addr_end);
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it++;
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}
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const IntervalType subtract_interval{start_address, end_address};
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common_ranges.subtract(subtract_interval);
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});
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});
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}
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}
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@ -1060,13 +1099,15 @@ void BufferCache<P>::MarkWrittenBuffer(BufferId buffer_id, VAddr cpu_addr, u32 s
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Buffer& buffer = slot_buffers[buffer_id];
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buffer.MarkRegionAsGpuModified(cpu_addr, size);
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const IntervalType base_interval{cpu_addr, cpu_addr + size};
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common_ranges.add(base_interval);
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const bool is_accuracy_high =
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Settings::values.gpu_accuracy.GetValue() == Settings::GPUAccuracy::High;
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const bool is_async = Settings::values.use_asynchronous_gpu_emulation.GetValue();
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if (!is_async && !is_accuracy_high) {
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return;
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}
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const IntervalType base_interval{cpu_addr, cpu_addr + size};
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uncommitted_ranges.add(base_interval);
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}
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@ -1292,13 +1333,50 @@ void BufferCache<P>::DownloadBufferMemory(Buffer& buffer, VAddr cpu_addr, u64 si
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u64 total_size_bytes = 0;
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u64 largest_copy = 0;
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buffer.ForEachDownloadRange(cpu_addr, size, true, [&](u64 range_offset, u64 range_size) {
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copies.push_back(BufferCopy{
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.src_offset = range_offset,
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.dst_offset = total_size_bytes,
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.size = range_size,
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});
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total_size_bytes += range_size;
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largest_copy = std::max(largest_copy, range_size);
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const VAddr buffer_addr = buffer.CpuAddr();
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const auto add_download = [&](VAddr start, VAddr end) {
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const u64 new_offset = start - buffer_addr;
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const u64 new_size = end - start;
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copies.push_back(BufferCopy{
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.src_offset = new_offset,
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.dst_offset = total_size_bytes,
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.size = new_size,
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});
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// Align up to avoid cache conflicts
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constexpr u64 align = 256ULL;
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constexpr u64 mask = ~(align - 1ULL);
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total_size_bytes += (new_size + align - 1) & mask;
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largest_copy = std::max(largest_copy, new_size);
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};
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const VAddr start_address = buffer_addr + range_offset;
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const VAddr end_address = start_address + range_size;
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const IntervalType search_interval{start_address - range_size, 1};
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auto it = common_ranges.lower_bound(search_interval);
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if (it == common_ranges.end()) {
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it = common_ranges.begin();
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}
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while (it != common_ranges.end()) {
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VAddr inter_addr_end = it->upper();
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VAddr inter_addr = it->lower();
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if (inter_addr >= end_address) {
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break;
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}
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if (inter_addr_end <= start_address) {
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it++;
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continue;
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}
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if (inter_addr_end > end_address) {
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inter_addr_end = end_address;
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}
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if (inter_addr < start_address) {
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inter_addr = start_address;
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}
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add_download(inter_addr, inter_addr_end);
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it++;
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}
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const IntervalType subtract_interval{start_address, end_address};
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common_ranges.subtract(subtract_interval);
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});
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if (total_size_bytes == 0) {
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return;
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@ -4,6 +4,7 @@
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#include "common/cityhash.h"
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#include "common/microprofile.h"
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#include "common/settings.h"
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#include "core/core.h"
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#include "core/memory.h"
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#include "video_core/dma_pusher.h"
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@ -76,8 +77,13 @@ bool DmaPusher::Step() {
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// Push buffer non-empty, read a word
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command_headers.resize(command_list_header.size);
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gpu.MemoryManager().ReadBlockUnsafe(dma_get, command_headers.data(),
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command_list_header.size * sizeof(u32));
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if (Settings::IsGPULevelHigh()) {
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gpu.MemoryManager().ReadBlock(dma_get, command_headers.data(),
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command_list_header.size * sizeof(u32));
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} else {
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gpu.MemoryManager().ReadBlockUnsafe(dma_get, command_headers.data(),
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command_list_header.size * sizeof(u32));
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}
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}
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for (std::size_t index = 0; index < command_headers.size();) {
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const CommandHeader& command_header = command_headers[index];
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