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Merge pull request #7658 from ameerj/sparse-fixes
video_core/memory_manager: Fixes for sparse memory management
This commit is contained in:
commit
a95c49e7d0
@ -73,12 +73,12 @@ void MemoryManager::Unmap(GPUVAddr gpu_addr, std::size_t size) {
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}
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const auto submapped_ranges = GetSubmappedRange(gpu_addr, size);
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for (const auto& map : submapped_ranges) {
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for (const auto& [map_addr, map_size] : submapped_ranges) {
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// Flush and invalidate through the GPU interface, to be asynchronous if possible.
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const std::optional<VAddr> cpu_addr = GpuToCpuAddress(map.first);
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const std::optional<VAddr> cpu_addr = GpuToCpuAddress(map_addr);
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ASSERT(cpu_addr);
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rasterizer->UnmapMemory(*cpu_addr, map.second);
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rasterizer->UnmapMemory(*cpu_addr, map_size);
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}
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UpdateRange(gpu_addr, PageEntry::State::Unmapped, size);
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@ -265,7 +265,8 @@ size_t MemoryManager::BytesToMapEnd(GPUVAddr gpu_addr) const noexcept {
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return it->second - (gpu_addr - it->first);
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}
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void MemoryManager::ReadBlock(GPUVAddr gpu_src_addr, void* dest_buffer, std::size_t size) const {
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void MemoryManager::ReadBlockImpl(GPUVAddr gpu_src_addr, void* dest_buffer, std::size_t size,
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bool is_safe) const {
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std::size_t remaining_size{size};
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std::size_t page_index{gpu_src_addr >> page_bits};
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std::size_t page_offset{gpu_src_addr & page_mask};
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@ -273,35 +274,15 @@ void MemoryManager::ReadBlock(GPUVAddr gpu_src_addr, void* dest_buffer, std::siz
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while (remaining_size > 0) {
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const std::size_t copy_amount{
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std::min(static_cast<std::size_t>(page_size) - page_offset, remaining_size)};
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if (const auto page_addr{GpuToCpuAddress(page_index << page_bits)}; page_addr) {
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const auto src_addr{*page_addr + page_offset};
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// Flush must happen on the rasterizer interface, such that memory is always synchronous
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// when it is read (even when in asynchronous GPU mode). Fixes Dead Cells title menu.
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rasterizer->FlushRegion(src_addr, copy_amount);
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system.Memory().ReadBlockUnsafe(src_addr, dest_buffer, copy_amount);
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}
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page_index++;
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page_offset = 0;
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dest_buffer = static_cast<u8*>(dest_buffer) + copy_amount;
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remaining_size -= copy_amount;
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}
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}
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void MemoryManager::ReadBlockUnsafe(GPUVAddr gpu_src_addr, void* dest_buffer,
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const std::size_t size) const {
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std::size_t remaining_size{size};
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std::size_t page_index{gpu_src_addr >> page_bits};
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std::size_t page_offset{gpu_src_addr & page_mask};
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while (remaining_size > 0) {
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const std::size_t copy_amount{
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std::min(static_cast<std::size_t>(page_size) - page_offset, remaining_size)};
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if (const auto page_addr{GpuToCpuAddress(page_index << page_bits)}; page_addr) {
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const auto page_addr{GpuToCpuAddress(page_index << page_bits)};
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if (page_addr && *page_addr != 0) {
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const auto src_addr{*page_addr + page_offset};
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if (is_safe) {
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// Flush must happen on the rasterizer interface, such that memory is always
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// synchronous when it is read (even when in asynchronous GPU mode).
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// Fixes Dead Cells title menu.
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rasterizer->FlushRegion(src_addr, copy_amount);
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}
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system.Memory().ReadBlockUnsafe(src_addr, dest_buffer, copy_amount);
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} else {
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std::memset(dest_buffer, 0, copy_amount);
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@ -314,7 +295,17 @@ void MemoryManager::ReadBlockUnsafe(GPUVAddr gpu_src_addr, void* dest_buffer,
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}
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}
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void MemoryManager::WriteBlock(GPUVAddr gpu_dest_addr, const void* src_buffer, std::size_t size) {
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void MemoryManager::ReadBlock(GPUVAddr gpu_src_addr, void* dest_buffer, std::size_t size) const {
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ReadBlockImpl(gpu_src_addr, dest_buffer, size, true);
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}
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void MemoryManager::ReadBlockUnsafe(GPUVAddr gpu_src_addr, void* dest_buffer,
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const std::size_t size) const {
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ReadBlockImpl(gpu_src_addr, dest_buffer, size, false);
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}
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void MemoryManager::WriteBlockImpl(GPUVAddr gpu_dest_addr, const void* src_buffer, std::size_t size,
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bool is_safe) {
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std::size_t remaining_size{size};
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std::size_t page_index{gpu_dest_addr >> page_bits};
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std::size_t page_offset{gpu_dest_addr & page_mask};
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@ -322,13 +313,15 @@ void MemoryManager::WriteBlock(GPUVAddr gpu_dest_addr, const void* src_buffer, s
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while (remaining_size > 0) {
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const std::size_t copy_amount{
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std::min(static_cast<std::size_t>(page_size) - page_offset, remaining_size)};
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if (const auto page_addr{GpuToCpuAddress(page_index << page_bits)}; page_addr) {
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const auto page_addr{GpuToCpuAddress(page_index << page_bits)};
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if (page_addr && *page_addr != 0) {
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const auto dest_addr{*page_addr + page_offset};
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// Invalidate must happen on the rasterizer interface, such that memory is always
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// synchronous when it is written (even when in asynchronous GPU mode).
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rasterizer->InvalidateRegion(dest_addr, copy_amount);
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if (is_safe) {
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// Invalidate must happen on the rasterizer interface, such that memory is always
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// synchronous when it is written (even when in asynchronous GPU mode).
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rasterizer->InvalidateRegion(dest_addr, copy_amount);
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}
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system.Memory().WriteBlockUnsafe(dest_addr, src_buffer, copy_amount);
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}
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@ -339,26 +332,13 @@ void MemoryManager::WriteBlock(GPUVAddr gpu_dest_addr, const void* src_buffer, s
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}
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}
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void MemoryManager::WriteBlock(GPUVAddr gpu_dest_addr, const void* src_buffer, std::size_t size) {
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WriteBlockImpl(gpu_dest_addr, src_buffer, size, true);
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}
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void MemoryManager::WriteBlockUnsafe(GPUVAddr gpu_dest_addr, const void* src_buffer,
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std::size_t size) {
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std::size_t remaining_size{size};
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std::size_t page_index{gpu_dest_addr >> page_bits};
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std::size_t page_offset{gpu_dest_addr & page_mask};
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while (remaining_size > 0) {
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const std::size_t copy_amount{
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std::min(static_cast<std::size_t>(page_size) - page_offset, remaining_size)};
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if (const auto page_addr{GpuToCpuAddress(page_index << page_bits)}; page_addr) {
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const auto dest_addr{*page_addr + page_offset};
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system.Memory().WriteBlockUnsafe(dest_addr, src_buffer, copy_amount);
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}
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page_index++;
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page_offset = 0;
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src_buffer = static_cast<const u8*>(src_buffer) + copy_amount;
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remaining_size -= copy_amount;
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}
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WriteBlockImpl(gpu_dest_addr, src_buffer, size, false);
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}
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void MemoryManager::FlushRegion(GPUVAddr gpu_addr, size_t size) const {
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@ -435,15 +415,15 @@ std::vector<std::pair<GPUVAddr, std::size_t>> MemoryManager::GetSubmappedRange(
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size_t page_offset{gpu_addr & page_mask};
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std::optional<std::pair<GPUVAddr, std::size_t>> last_segment{};
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std::optional<VAddr> old_page_addr{};
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const auto extend_size = [this, &last_segment, &page_index](std::size_t bytes) {
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const auto extend_size = [&last_segment, &page_index, &page_offset](std::size_t bytes) {
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if (!last_segment) {
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GPUVAddr new_base_addr = page_index << page_bits;
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const GPUVAddr new_base_addr = (page_index << page_bits) + page_offset;
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last_segment = {new_base_addr, bytes};
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} else {
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last_segment->second += bytes;
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}
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};
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const auto split = [this, &last_segment, &result] {
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const auto split = [&last_segment, &result] {
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if (last_segment) {
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result.push_back(*last_segment);
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last_segment = std::nullopt;
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@ -452,7 +432,7 @@ std::vector<std::pair<GPUVAddr, std::size_t>> MemoryManager::GetSubmappedRange(
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while (remaining_size > 0) {
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const size_t num_bytes{std::min(page_size - page_offset, remaining_size)};
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const auto page_addr{GpuToCpuAddress(page_index << page_bits)};
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if (!page_addr) {
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if (!page_addr || *page_addr == 0) {
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split();
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} else if (old_page_addr) {
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if (*old_page_addr + page_size != *page_addr) {
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@ -155,6 +155,11 @@ private:
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void FlushRegion(GPUVAddr gpu_addr, size_t size) const;
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void ReadBlockImpl(GPUVAddr gpu_src_addr, void* dest_buffer, std::size_t size,
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bool is_safe) const;
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void WriteBlockImpl(GPUVAddr gpu_dest_addr, const void* src_buffer, std::size_t size,
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bool is_safe);
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[[nodiscard]] static constexpr std::size_t PageEntryIndex(GPUVAddr gpu_addr) {
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return (gpu_addr >> page_bits) & page_table_mask;
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}
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@ -1376,9 +1376,7 @@ void TextureCache<P>::ForEachSparseSegment(ImageBase& image, Func&& func) {
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using FuncReturn = typename std::invoke_result<Func, GPUVAddr, VAddr, size_t>::type;
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static constexpr bool RETURNS_BOOL = std::is_same_v<FuncReturn, bool>;
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const auto segments = gpu_memory.GetSubmappedRange(image.gpu_addr, image.guest_size_bytes);
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for (auto& segment : segments) {
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const auto gpu_addr = segment.first;
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const auto size = segment.second;
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for (const auto& [gpu_addr, size] : segments) {
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std::optional<VAddr> cpu_addr = gpu_memory.GpuToCpuAddress(gpu_addr);
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ASSERT(cpu_addr);
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if constexpr (RETURNS_BOOL) {
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