diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/video_core/renderer_vulkan/vk_memory_manager.cpp | 158 | ||||
-rw-r--r-- | src/video_core/renderer_vulkan/vk_memory_manager.h | 72 |
2 files changed, 142 insertions, 88 deletions
diff --git a/src/video_core/renderer_vulkan/vk_memory_manager.cpp b/src/video_core/renderer_vulkan/vk_memory_manager.cpp index 0451babbf..9cc9979d0 100644 --- a/src/video_core/renderer_vulkan/vk_memory_manager.cpp +++ b/src/video_core/renderer_vulkan/vk_memory_manager.cpp @@ -6,6 +6,7 @@ #include <optional> #include <tuple> #include <vector> + #include "common/alignment.h" #include "common/assert.h" #include "common/common_types.h" @@ -16,34 +17,32 @@ namespace Vulkan { -// TODO(Rodrigo): Fine tune this number -constexpr u64 ALLOC_CHUNK_SIZE = 64 * 1024 * 1024; +namespace { + +u64 GetAllocationChunkSize(u64 required_size) { + static constexpr u64 sizes[] = {16ULL << 20, 32ULL << 20, 64ULL << 20, 128ULL << 20}; + auto it = std::lower_bound(std::begin(sizes), std::end(sizes), required_size); + return it != std::end(sizes) ? *it : Common::AlignUp(required_size, 256ULL << 20); +} + +} // Anonymous namespace class VKMemoryAllocation final { public: explicit VKMemoryAllocation(const VKDevice& device, vk::DeviceMemory memory, - vk::MemoryPropertyFlags properties, u64 alloc_size, u32 type) - : device{device}, memory{memory}, properties{properties}, alloc_size{alloc_size}, - shifted_type{ShiftType(type)}, is_mappable{properties & - vk::MemoryPropertyFlagBits::eHostVisible} { - if (is_mappable) { - const auto dev = device.GetLogical(); - const auto& dld = device.GetDispatchLoader(); - base_address = static_cast<u8*>(dev.mapMemory(memory, 0, alloc_size, {}, dld)); - } - } + vk::MemoryPropertyFlags properties, u64 allocation_size, u32 type) + : device{device}, memory{memory}, properties{properties}, allocation_size{allocation_size}, + shifted_type{ShiftType(type)} {} ~VKMemoryAllocation() { const auto dev = device.GetLogical(); const auto& dld = device.GetDispatchLoader(); - if (is_mappable) - dev.unmapMemory(memory, dld); dev.free(memory, nullptr, dld); } VKMemoryCommit Commit(vk::DeviceSize commit_size, vk::DeviceSize alignment) { - auto found = TryFindFreeSection(free_iterator, alloc_size, static_cast<u64>(commit_size), - static_cast<u64>(alignment)); + auto found = TryFindFreeSection(free_iterator, allocation_size, + static_cast<u64>(commit_size), static_cast<u64>(alignment)); if (!found) { found = TryFindFreeSection(0, free_iterator, static_cast<u64>(commit_size), static_cast<u64>(alignment)); @@ -52,8 +51,7 @@ public: return nullptr; } } - u8* address = is_mappable ? base_address + *found : nullptr; - auto commit = std::make_unique<VKMemoryCommitImpl>(this, memory, address, *found, + auto commit = std::make_unique<VKMemoryCommitImpl>(device, this, memory, *found, *found + commit_size); commits.push_back(commit.get()); @@ -65,12 +63,10 @@ public: void Free(const VKMemoryCommitImpl* commit) { ASSERT(commit); - const auto it = - std::find_if(commits.begin(), commits.end(), - [&](const auto& stored_commit) { return stored_commit == commit; }); + + const auto it = std::find(std::begin(commits), std::end(commits), commit); if (it == commits.end()) { - LOG_CRITICAL(Render_Vulkan, "Freeing unallocated commit!"); - UNREACHABLE(); + UNREACHABLE_MSG("Freeing unallocated commit!"); return; } commits.erase(it); @@ -88,11 +84,11 @@ private: } /// A memory allocator, it may return a free region between "start" and "end" with the solicited - /// requeriments. + /// requirements. std::optional<u64> TryFindFreeSection(u64 start, u64 end, u64 size, u64 alignment) const { - u64 iterator = start; - while (iterator + size < end) { - const u64 try_left = Common::AlignUp(iterator, alignment); + u64 iterator = Common::AlignUp(start, alignment); + while (iterator + size <= end) { + const u64 try_left = iterator; const u64 try_right = try_left + size; bool overlap = false; @@ -100,7 +96,7 @@ private: const auto [commit_left, commit_right] = commit->interval; if (try_left < commit_right && commit_left < try_right) { // There's an overlap, continue the search where the overlapping commit ends. - iterator = commit_right; + iterator = Common::AlignUp(commit_right, alignment); overlap = true; break; } @@ -110,6 +106,7 @@ private: return try_left; } } + // No free regions where found, return an empty optional. return std::nullopt; } @@ -117,12 +114,8 @@ private: const VKDevice& device; ///< Vulkan device. const vk::DeviceMemory memory; ///< Vulkan memory allocation handler. const vk::MemoryPropertyFlags properties; ///< Vulkan properties. - const u64 alloc_size; ///< Size of this allocation. + const u64 allocation_size; ///< Size of this allocation. const u32 shifted_type; ///< Stored Vulkan type of this allocation, shifted. - const bool is_mappable; ///< Whether the allocation is mappable. - - /// Base address of the mapped pointer. - u8* base_address{}; /// Hints where the next free region is likely going to be. u64 free_iterator{}; @@ -132,13 +125,15 @@ private: }; VKMemoryManager::VKMemoryManager(const VKDevice& device) - : device{device}, props{device.GetPhysical().getMemoryProperties(device.GetDispatchLoader())}, - is_memory_unified{GetMemoryUnified(props)} {} + : device{device}, properties{device.GetPhysical().getMemoryProperties( + device.GetDispatchLoader())}, + is_memory_unified{GetMemoryUnified(properties)} {} VKMemoryManager::~VKMemoryManager() = default; -VKMemoryCommit VKMemoryManager::Commit(const vk::MemoryRequirements& reqs, bool host_visible) { - ASSERT(reqs.size < ALLOC_CHUNK_SIZE); +VKMemoryCommit VKMemoryManager::Commit(const vk::MemoryRequirements& requirements, + bool host_visible) { + const u64 chunk_size = GetAllocationChunkSize(requirements.size); // When a host visible commit is asked, search for host visible and coherent, otherwise search // for a fast device local type. @@ -147,32 +142,21 @@ VKMemoryCommit VKMemoryManager::Commit(const vk::MemoryRequirements& reqs, bool ? vk::MemoryPropertyFlagBits::eHostVisible | vk::MemoryPropertyFlagBits::eHostCoherent : vk::MemoryPropertyFlagBits::eDeviceLocal; - const auto TryCommit = [&]() -> VKMemoryCommit { - for (auto& alloc : allocs) { - if (!alloc->IsCompatible(wanted_properties, reqs.memoryTypeBits)) - continue; - - if (auto commit = alloc->Commit(reqs.size, reqs.alignment); commit) { - return commit; - } - } - return {}; - }; - - if (auto commit = TryCommit(); commit) { + if (auto commit = TryAllocCommit(requirements, wanted_properties)) { return commit; } // Commit has failed, allocate more memory. - if (!AllocMemory(wanted_properties, reqs.memoryTypeBits, ALLOC_CHUNK_SIZE)) { - // TODO(Rodrigo): Try to use host memory. - LOG_CRITICAL(Render_Vulkan, "Ran out of memory!"); - UNREACHABLE(); + if (!AllocMemory(wanted_properties, requirements.memoryTypeBits, chunk_size)) { + // TODO(Rodrigo): Handle these situations in some way like flushing to guest memory. + // Allocation has failed, panic. + UNREACHABLE_MSG("Ran out of VRAM!"); + return {}; } // Commit again, this time it won't fail since there's a fresh allocation above. If it does, // there's a bug. - auto commit = TryCommit(); + auto commit = TryAllocCommit(requirements, wanted_properties); ASSERT(commit); return commit; } @@ -180,8 +164,7 @@ VKMemoryCommit VKMemoryManager::Commit(const vk::MemoryRequirements& reqs, bool VKMemoryCommit VKMemoryManager::Commit(vk::Buffer buffer, bool host_visible) { const auto dev = device.GetLogical(); const auto& dld = device.GetDispatchLoader(); - const auto requeriments = dev.getBufferMemoryRequirements(buffer, dld); - auto commit = Commit(requeriments, host_visible); + auto commit = Commit(dev.getBufferMemoryRequirements(buffer, dld), host_visible); dev.bindBufferMemory(buffer, commit->GetMemory(), commit->GetOffset(), dld); return commit; } @@ -189,25 +172,23 @@ VKMemoryCommit VKMemoryManager::Commit(vk::Buffer buffer, bool host_visible) { VKMemoryCommit VKMemoryManager::Commit(vk::Image image, bool host_visible) { const auto dev = device.GetLogical(); const auto& dld = device.GetDispatchLoader(); - const auto requeriments = dev.getImageMemoryRequirements(image, dld); - auto commit = Commit(requeriments, host_visible); + auto commit = Commit(dev.getImageMemoryRequirements(image, dld), host_visible); dev.bindImageMemory(image, commit->GetMemory(), commit->GetOffset(), dld); return commit; } bool VKMemoryManager::AllocMemory(vk::MemoryPropertyFlags wanted_properties, u32 type_mask, u64 size) { - const u32 type = [&]() { - for (u32 type_index = 0; type_index < props.memoryTypeCount; ++type_index) { - const auto flags = props.memoryTypes[type_index].propertyFlags; + const u32 type = [&] { + for (u32 type_index = 0; type_index < properties.memoryTypeCount; ++type_index) { + const auto flags = properties.memoryTypes[type_index].propertyFlags; if ((type_mask & (1U << type_index)) && (flags & wanted_properties)) { // The type matches in type and in the wanted properties. return type_index; } } - LOG_CRITICAL(Render_Vulkan, "Couldn't find a compatible memory type!"); - UNREACHABLE(); - return 0u; + UNREACHABLE_MSG("Couldn't find a compatible memory type!"); + return 0U; }(); const auto dev = device.GetLogical(); @@ -216,19 +197,33 @@ bool VKMemoryManager::AllocMemory(vk::MemoryPropertyFlags wanted_properties, u32 // Try to allocate found type. const vk::MemoryAllocateInfo memory_ai(size, type); vk::DeviceMemory memory; - if (const vk::Result res = dev.allocateMemory(&memory_ai, nullptr, &memory, dld); + if (const auto res = dev.allocateMemory(&memory_ai, nullptr, &memory, dld); res != vk::Result::eSuccess) { LOG_CRITICAL(Render_Vulkan, "Device allocation failed with code {}!", vk::to_string(res)); return false; } - allocs.push_back( + allocations.push_back( std::make_unique<VKMemoryAllocation>(device, memory, wanted_properties, size, type)); return true; } -/*static*/ bool VKMemoryManager::GetMemoryUnified(const vk::PhysicalDeviceMemoryProperties& props) { - for (u32 heap_index = 0; heap_index < props.memoryHeapCount; ++heap_index) { - if (!(props.memoryHeaps[heap_index].flags & vk::MemoryHeapFlagBits::eDeviceLocal)) { +VKMemoryCommit VKMemoryManager::TryAllocCommit(const vk::MemoryRequirements& requirements, + vk::MemoryPropertyFlags wanted_properties) { + for (auto& allocation : allocations) { + if (!allocation->IsCompatible(wanted_properties, requirements.memoryTypeBits)) { + continue; + } + if (auto commit = allocation->Commit(requirements.size, requirements.alignment)) { + return commit; + } + } + return {}; +} + +/*static*/ bool VKMemoryManager::GetMemoryUnified( + const vk::PhysicalDeviceMemoryProperties& properties) { + for (u32 heap_index = 0; heap_index < properties.memoryHeapCount; ++heap_index) { + if (!(properties.memoryHeaps[heap_index].flags & vk::MemoryHeapFlagBits::eDeviceLocal)) { // Memory is considered unified when heaps are device local only. return false; } @@ -236,17 +231,28 @@ bool VKMemoryManager::AllocMemory(vk::MemoryPropertyFlags wanted_properties, u32 return true; } -VKMemoryCommitImpl::VKMemoryCommitImpl(VKMemoryAllocation* allocation, vk::DeviceMemory memory, - u8* data, u64 begin, u64 end) - : interval(std::make_pair(begin, end)), memory{memory}, allocation{allocation}, data{data} {} +VKMemoryCommitImpl::VKMemoryCommitImpl(const VKDevice& device, VKMemoryAllocation* allocation, + vk::DeviceMemory memory, u64 begin, u64 end) + : device{device}, interval{begin, end}, memory{memory}, allocation{allocation} {} VKMemoryCommitImpl::~VKMemoryCommitImpl() { allocation->Free(this); } -u8* VKMemoryCommitImpl::GetData() const { - ASSERT_MSG(data != nullptr, "Trying to access an unmapped commit."); - return data; +MemoryMap VKMemoryCommitImpl::Map(u64 size, u64 offset_) const { + const auto dev = device.GetLogical(); + const auto address = reinterpret_cast<u8*>( + dev.mapMemory(memory, interval.first + offset_, size, {}, device.GetDispatchLoader())); + return MemoryMap{this, address}; +} + +void VKMemoryCommitImpl::Unmap() const { + const auto dev = device.GetLogical(); + dev.unmapMemory(memory, device.GetDispatchLoader()); +} + +MemoryMap VKMemoryCommitImpl::Map() const { + return Map(interval.second - interval.first); } } // namespace Vulkan diff --git a/src/video_core/renderer_vulkan/vk_memory_manager.h b/src/video_core/renderer_vulkan/vk_memory_manager.h index 073597b35..cd00bb91b 100644 --- a/src/video_core/renderer_vulkan/vk_memory_manager.h +++ b/src/video_core/renderer_vulkan/vk_memory_manager.h @@ -12,6 +12,7 @@ namespace Vulkan { +class MemoryMap; class VKDevice; class VKMemoryAllocation; class VKMemoryCommitImpl; @@ -21,13 +22,14 @@ using VKMemoryCommit = std::unique_ptr<VKMemoryCommitImpl>; class VKMemoryManager final { public: explicit VKMemoryManager(const VKDevice& device); + VKMemoryManager(const VKMemoryManager&) = delete; ~VKMemoryManager(); /** * Commits a memory with the specified requeriments. - * @param reqs Requeriments returned from a Vulkan call. + * @param requirements Requirements returned from a Vulkan call. * @param host_visible Signals the allocator that it *must* use host visible and coherent - * memory. When passing false, it will try to allocate device local memory. + * memory. When passing false, it will try to allocate device local memory. * @returns A memory commit. */ VKMemoryCommit Commit(const vk::MemoryRequirements& reqs, bool host_visible); @@ -47,25 +49,35 @@ private: /// Allocates a chunk of memory. bool AllocMemory(vk::MemoryPropertyFlags wanted_properties, u32 type_mask, u64 size); + /// Tries to allocate a memory commit. + VKMemoryCommit TryAllocCommit(const vk::MemoryRequirements& requirements, + vk::MemoryPropertyFlags wanted_properties); + /// Returns true if the device uses an unified memory model. - static bool GetMemoryUnified(const vk::PhysicalDeviceMemoryProperties& props); + static bool GetMemoryUnified(const vk::PhysicalDeviceMemoryProperties& properties); - const VKDevice& device; ///< Device handler. - const vk::PhysicalDeviceMemoryProperties props; ///< Physical device properties. - const bool is_memory_unified; ///< True if memory model is unified. - std::vector<std::unique_ptr<VKMemoryAllocation>> allocs; ///< Current allocations. + const VKDevice& device; ///< Device handler. + const vk::PhysicalDeviceMemoryProperties properties; ///< Physical device properties. + const bool is_memory_unified; ///< True if memory model is unified. + std::vector<std::unique_ptr<VKMemoryAllocation>> allocations; ///< Current allocations. }; class VKMemoryCommitImpl final { friend VKMemoryAllocation; + friend MemoryMap; public: - explicit VKMemoryCommitImpl(VKMemoryAllocation* allocation, vk::DeviceMemory memory, u8* data, - u64 begin, u64 end); + explicit VKMemoryCommitImpl(const VKDevice& device, VKMemoryAllocation* allocation, + vk::DeviceMemory memory, u64 begin, u64 end); ~VKMemoryCommitImpl(); - /// Returns the writeable memory map. The commit has to be mappable. - u8* GetData() const; + /// Maps a memory region and returns a pointer to it. + /// It's illegal to have more than one memory map at the same time. + MemoryMap Map(u64 size, u64 offset = 0) const; + + /// Maps the whole commit and returns a pointer to it. + /// It's illegal to have more than one memory map at the same time. + MemoryMap Map() const; /// Returns the Vulkan memory handler. vk::DeviceMemory GetMemory() const { @@ -78,10 +90,46 @@ public: } private: + /// Unmaps memory. + void Unmap() const; + + const VKDevice& device; ///< Vulkan device. std::pair<u64, u64> interval{}; ///< Interval where the commit exists. vk::DeviceMemory memory; ///< Vulkan device memory handler. VKMemoryAllocation* allocation{}; ///< Pointer to the large memory allocation. - u8* data{}; ///< Pointer to the host mapped memory, it has the commit offset included. +}; + +/// Holds ownership of a memory map. +class MemoryMap final { +public: + explicit MemoryMap(const VKMemoryCommitImpl* commit, u8* address) + : commit{commit}, address{address} {} + + ~MemoryMap() { + if (commit) { + commit->Unmap(); + } + } + + /// Prematurely releases the memory map. + void Release() { + commit->Unmap(); + commit = nullptr; + } + + /// Returns the address of the memory map. + u8* GetAddress() const { + return address; + } + + /// Returns the address of the memory map; + operator u8*() const { + return address; + } + +private: + const VKMemoryCommitImpl* commit{}; ///< Mapped memory commit. + u8* address{}; ///< Address to the mapped memory. }; } // namespace Vulkan |