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vk_memory_manager: Remove unified memory model flag
All drivers (even Intel) seem to have a device local memory type that is not host visible. Remove this flag so all devices follow the same path. This fixes a crash when trying to map to host device local memory on integrated devices.
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@ -78,11 +78,6 @@ public:
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return present_family;
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}
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/// Returns true if the device is integrated with the host CPU.
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bool IsIntegrated() const {
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return properties.deviceType == VK_PHYSICAL_DEVICE_TYPE_INTEGRATED_GPU;
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}
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/// Returns the current Vulkan API version provided in Vulkan-formatted version numbers.
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u32 GetApiVersion() const {
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return properties.apiVersion;
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@ -118,8 +118,7 @@ private:
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};
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VKMemoryManager::VKMemoryManager(const VKDevice& device)
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: device{device}, properties{device.GetPhysical().GetMemoryProperties()},
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is_memory_unified{GetMemoryUnified(properties)} {}
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: device{device}, properties{device.GetPhysical().GetMemoryProperties()} {}
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VKMemoryManager::~VKMemoryManager() = default;
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@ -209,16 +208,6 @@ VKMemoryCommit VKMemoryManager::TryAllocCommit(const VkMemoryRequirements& requi
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return {};
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}
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bool VKMemoryManager::GetMemoryUnified(const VkPhysicalDeviceMemoryProperties& properties) {
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for (u32 heap_index = 0; heap_index < properties.memoryHeapCount; ++heap_index) {
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if (!(properties.memoryHeaps[heap_index].flags & VK_MEMORY_HEAP_DEVICE_LOCAL_BIT)) {
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// Memory is considered unified when heaps are device local only.
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return false;
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}
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}
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return true;
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}
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VKMemoryCommitImpl::VKMemoryCommitImpl(const VKDevice& device, VKMemoryAllocation* allocation,
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const vk::DeviceMemory& memory, u64 begin, u64 end)
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: device{device}, memory{memory}, interval{begin, end}, allocation{allocation} {}
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@ -40,11 +40,6 @@ public:
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/// Commits memory required by the image and binds it.
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VKMemoryCommit Commit(const vk::Image& image, bool host_visible);
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/// Returns true if the memory allocations are done always in host visible and coherent memory.
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bool IsMemoryUnified() const {
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return is_memory_unified;
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}
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private:
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/// Allocates a chunk of memory.
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bool AllocMemory(VkMemoryPropertyFlags wanted_properties, u32 type_mask, u64 size);
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@ -53,12 +48,8 @@ private:
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VKMemoryCommit TryAllocCommit(const VkMemoryRequirements& requirements,
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VkMemoryPropertyFlags wanted_properties);
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/// Returns true if the device uses an unified memory model.
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static bool GetMemoryUnified(const VkPhysicalDeviceMemoryProperties& properties);
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const VKDevice& device; ///< Device handler.
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const VkPhysicalDeviceMemoryProperties properties; ///< Physical device properties.
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const bool is_memory_unified; ///< True if memory model is unified.
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const VKDevice& device; ///< Device handler.
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const VkPhysicalDeviceMemoryProperties properties; ///< Physical device properties.
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std::vector<std::unique_ptr<VKMemoryAllocation>> allocations; ///< Current allocations.
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};
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@ -39,8 +39,7 @@ VKStagingBufferPool::StagingBuffer& VKStagingBufferPool::StagingBuffer::operator
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VKStagingBufferPool::VKStagingBufferPool(const VKDevice& device, VKMemoryManager& memory_manager,
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VKScheduler& scheduler)
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: device{device}, memory_manager{memory_manager}, scheduler{scheduler},
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is_device_integrated{device.IsIntegrated()} {}
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: device{device}, memory_manager{memory_manager}, scheduler{scheduler} {}
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VKStagingBufferPool::~VKStagingBufferPool() = default;
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@ -56,9 +55,7 @@ void VKStagingBufferPool::TickFrame() {
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current_delete_level = (current_delete_level + 1) % NumLevels;
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ReleaseCache(true);
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if (!is_device_integrated) {
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ReleaseCache(false);
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}
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ReleaseCache(false);
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}
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VKBuffer* VKStagingBufferPool::TryGetReservedBuffer(std::size_t size, bool host_visible) {
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@ -95,7 +92,7 @@ VKBuffer& VKStagingBufferPool::CreateStagingBuffer(std::size_t size, bool host_v
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}
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VKStagingBufferPool::StagingBuffersCache& VKStagingBufferPool::GetCache(bool host_visible) {
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return is_device_integrated || host_visible ? host_staging_buffers : device_staging_buffers;
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return host_visible ? host_staging_buffers : device_staging_buffers;
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}
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void VKStagingBufferPool::ReleaseCache(bool host_visible) {
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@ -71,7 +71,6 @@ private:
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const VKDevice& device;
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VKMemoryManager& memory_manager;
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VKScheduler& scheduler;
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const bool is_device_integrated;
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StagingBuffersCache host_staging_buffers;
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StagingBuffersCache device_staging_buffers;
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