| // Copyright 2013 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef FLUTTER_IMPELLER_RENDERER_BACKEND_VULKAN_ALLOCATOR_VK_H_ |
| #define FLUTTER_IMPELLER_RENDERER_BACKEND_VULKAN_ALLOCATOR_VK_H_ |
| |
| #include "impeller/core/allocator.h" |
| #include "impeller/renderer/backend/vulkan/context_vk.h" |
| #include "impeller/renderer/backend/vulkan/device_buffer_vk.h" |
| #include "impeller/renderer/backend/vulkan/device_holder_vk.h" |
| #include "impeller/renderer/backend/vulkan/vk.h" |
| |
| #include <cstdint> |
| #include <memory> |
| |
| namespace impeller { |
| |
| class AllocatorVK final : public Allocator { |
| public: |
| // |Allocator| |
| ~AllocatorVK() override; |
| |
| // Visible for testing |
| size_t DebugGetHeapUsage() const; |
| |
| /// @brief Select a matching memory type for the given |
| /// [memory_type_bits_requirement], or -1 if none is found. |
| /// |
| /// This only returns memory types with deviceLocal allocations. |
| static int32_t FindMemoryTypeIndex( |
| uint32_t memory_type_bits_requirement, |
| vk::PhysicalDeviceMemoryProperties& memory_properties); |
| |
| // Visible for testing. |
| static vk::ImageUsageFlags ToVKImageUsageFlags( |
| PixelFormat format, |
| TextureUsageMask usage, |
| StorageMode mode, |
| bool supports_memoryless_textures); |
| |
| private: |
| friend class ContextVK; |
| |
| UniqueAllocatorVMA allocator_; |
| UniquePoolVMA staging_buffer_pool_; |
| std::weak_ptr<Context> context_; |
| std::weak_ptr<DeviceHolderVK> device_holder_; |
| ISize max_texture_size_; |
| bool is_valid_ = false; |
| bool supports_memoryless_textures_ = false; |
| // TODO(jonahwilliams): figure out why CI can't create these buffer pools. |
| bool created_buffer_pool_ = true; |
| vk::PhysicalDeviceMemoryProperties memory_properties_; |
| |
| AllocatorVK(std::weak_ptr<Context> context, |
| uint32_t vulkan_api_version, |
| const vk::PhysicalDevice& physical_device, |
| const std::shared_ptr<DeviceHolderVK>& device_holder, |
| const vk::Instance& instance, |
| const CapabilitiesVK& capabilities); |
| |
| // |Allocator| |
| bool IsValid() const; |
| |
| // |Allocator| |
| std::shared_ptr<DeviceBuffer> OnCreateBuffer( |
| const DeviceBufferDescriptor& desc) override; |
| |
| // |Allocator| |
| std::shared_ptr<Texture> OnCreateTexture( |
| const TextureDescriptor& desc) override; |
| |
| // |Allocator| |
| ISize GetMaxTextureSizeSupported() const override; |
| |
| // |Allocator| |
| void DebugTraceMemoryStatistics() const override; |
| |
| AllocatorVK(const AllocatorVK&) = delete; |
| |
| AllocatorVK& operator=(const AllocatorVK&) = delete; |
| }; |
| |
| } // namespace impeller |
| |
| #endif // FLUTTER_IMPELLER_RENDERER_BACKEND_VULKAN_ALLOCATOR_VK_H_ |