| Flutter Impeller |

allocator_vk.h
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1 // Copyright 2013 The Flutter Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #pragma once
6
7 #include "flutter/fml/macros.h"
8 #include "flutter/fml/memory/ref_ptr.h"
9 #include "impeller/core/allocator.h"
10 #include "impeller/renderer/backend/vulkan/context_vk.h"
11 #include "impeller/renderer/backend/vulkan/device_buffer_vk.h"
12 #include "impeller/renderer/backend/vulkan/device_holder.h"
13 #include "impeller/renderer/backend/vulkan/vk.h"
14
15 #include <array>
16 #include <memory>
17
18 namespace impeller {
19
20 class AllocatorVK final : public Allocator {
21 public:
22 // |Allocator|
23 ~AllocatorVK() override;
24
25 private:
26 friend class ContextVK;
27
28 UniqueAllocatorVMA allocator_;
29 UniquePoolVMA staging_buffer_pool_;
30 std::weak_ptr<Context> context_;
31 std::weak_ptr<DeviceHolder> device_holder_;
32 ISize max_texture_size_;
33 bool is_valid_ = false;
34 bool supports_memoryless_textures_ = false;
35 // TODO(jonahwilliams): figure out why CI can't create these buffer pools.
36 bool created_buffer_pool_ = true;
37 uint32_t frame_count_ = 0;
38 std::thread::id raster_thread_id_;
39
40 AllocatorVK(std::weak_ptr<Context> context,
41 uint32_t vulkan_api_version,
42 const vk::PhysicalDevice& physical_device,
43 const std::shared_ptr<DeviceHolder>& device_holder,
44 const vk::Instance& instance,
45 const CapabilitiesVK& capabilities);
46
47 // |Allocator|
48 bool IsValid() const;
49
50 // |Allocator|
51 void DidAcquireSurfaceFrame() override;
52
53 // |Allocator|
54 std::shared_ptr<DeviceBuffer> OnCreateBuffer(
55 const DeviceBufferDescriptor& desc) override;
56
57 // |Allocator|
58 std::shared_ptr<Texture> OnCreateTexture(
59 const TextureDescriptor& desc) override;
60
61 // |Allocator|
62 ISize GetMaxTextureSizeSupported() const override;
63
64 FML_DISALLOW_COPY_AND_ASSIGN(AllocatorVK);
65 };
66
67 } // namespace impeller
device_holder.h
impeller::DeviceBufferDescriptor
Definition: device_buffer_descriptor.h:13
impeller::UniquePoolVMA
fml::UniqueObject< PoolVMA, PoolVMATraits > UniquePoolVMA
Definition: vma.h:62
impeller::AllocatorVK::~AllocatorVK
~AllocatorVK() override
vk.h
impeller::TSize< int64_t >
impeller::AllocatorVK
Definition: allocator_vk.h:20
impeller::Allocator
An object that allocates device memory.
Definition: allocator.h:25
impeller::CapabilitiesVK
The Vulkan layers and extensions wrangler.
Definition: capabilities_vk.h:30
impeller::ContextVK
Definition: context_vk.h:36
impeller::UniqueAllocatorVMA
fml::UniqueObject< VmaAllocator, AllocatorVMATraits > UniqueAllocatorVMA
Definition: vma.h:30
allocator.h
device_buffer_vk.h
impeller::TextureDescriptor
A lightweight object that describes the attributes of a texture that can then used an allocator to cr...
Definition: texture_descriptor.h:39
context_vk.h
impeller
Definition: aiks_context.cc:10