| Flutter Impeller |

context_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 #ifndef FLUTTER_IMPELLER_RENDERER_BACKEND_VULKAN_CONTEXT_VK_H_
6 #define FLUTTER_IMPELLER_RENDERER_BACKEND_VULKAN_CONTEXT_VK_H_
7
8 #include <memory>
9
10 #include "flutter/fml/concurrent_message_loop.h"
11 #include "flutter/fml/mapping.h"
12 #include "flutter/fml/unique_fd.h"
13 #include "fml/thread.h"
14 #include "impeller/base/backend_cast.h"
15 #include "impeller/core/formats.h"
16 #include "impeller/renderer/backend/vulkan/command_pool_vk.h"
17 #include "impeller/renderer/backend/vulkan/device_holder_vk.h"
18 #include "impeller/renderer/backend/vulkan/driver_info_vk.h"
19 #include "impeller/renderer/backend/vulkan/pipeline_library_vk.h"
20 #include "impeller/renderer/backend/vulkan/queue_vk.h"
21 #include "impeller/renderer/backend/vulkan/sampler_library_vk.h"
22 #include "impeller/renderer/backend/vulkan/shader_library_vk.h"
23 #include "impeller/renderer/capabilities.h"
24 #include "impeller/renderer/command_queue.h"
25 #include "impeller/renderer/context.h"
26
27 namespace impeller {
28
29 bool HasValidationLayers();
30
31 class CommandEncoderFactoryVK;
32 class CommandEncoderVK;
33 class CommandPoolRecyclerVK;
34 class DebugReportVK;
35 class FenceWaiterVK;
36 class ResourceManagerVK;
37 class SurfaceContextVK;
38 class GPUTracerVK;
39 class DescriptorPoolRecyclerVK;
40 class CommandQueueVK;
41
42 class ContextVK final : public Context,
43 public BackendCast<ContextVK, Context>,
44 public std::enable_shared_from_this<ContextVK> {
45 public:
46 struct Settings {
47 PFN_vkGetInstanceProcAddr proc_address_callback = nullptr;
48 std::vector<std::shared_ptr<fml::Mapping>> shader_libraries_data;
49 fml::UniqueFD cache_directory;
50 bool enable_validation = false;
51 bool enable_gpu_tracing = false;
52
53 Settings() = default;
54
55 Settings(Settings&&) = default;
56 };
57
58 /// Choose the number of worker threads the context_vk will create.
59 ///
60 /// Visible for testing.
61 static size_t ChooseThreadCountForWorkers(size_t hardware_concurrency);
62
63 static std::shared_ptr<ContextVK> Create(Settings settings);
64
65 uint64_t GetHash() const { return hash_; }
66
67 // |Context|
68 ~ContextVK() override;
69
70 // |Context|
71 BackendType GetBackendType() const override;
72
73 // |Context|
74 std::string DescribeGpuModel() const override;
75
76 // |Context|
77 bool IsValid() const override;
78
79 // |Context|
80 std::shared_ptr<Allocator> GetResourceAllocator() const override;
81
82 // |Context|
83 std::shared_ptr<ShaderLibrary> GetShaderLibrary() const override;
84
85 // |Context|
86 std::shared_ptr<SamplerLibrary> GetSamplerLibrary() const override;
87
88 // |Context|
89 std::shared_ptr<PipelineLibrary> GetPipelineLibrary() const override;
90
91 // |Context|
92 std::shared_ptr<CommandBuffer> CreateCommandBuffer() const override;
93
94 // |Context|
95 const std::shared_ptr<const Capabilities>& GetCapabilities() const override;
96
97 const std::shared_ptr<YUVConversionLibraryVK>& GetYUVConversionLibrary()
98 const;
99
100 // |Context|
101 void Shutdown() override;
102
103 void SetOffscreenFormat(PixelFormat pixel_format);
104
105 template <typename T>
106 bool SetDebugName(T handle, std::string_view label) const {
107 return SetDebugName(GetDevice(), handle, label);
108 }
109
110 template <typename T>
111 static bool SetDebugName(const vk::Device& device,
112 T handle,
113 std::string_view label) {
114 if (!HasValidationLayers()) {
115 // No-op if validation layers are not enabled.
116 return true;
117 }
118
119 auto c_handle = static_cast<typename T::CType>(handle);
120
121 vk::DebugUtilsObjectNameInfoEXT info;
122 info.objectType = T::objectType;
123 info.pObjectName = label.data();
124 info.objectHandle = reinterpret_cast<decltype(info.objectHandle)>(c_handle);
125
126 if (device.setDebugUtilsObjectNameEXT(info) != vk::Result::eSuccess) {
127 VALIDATION_LOG << "Unable to set debug name: " << label;
128 return false;
129 }
130
131 return true;
132 }
133
134 std::shared_ptr<DeviceHolderVK> GetDeviceHolder() const {
135 return device_holder_;
136 }
137
138 vk::Instance GetInstance() const;
139
140 const vk::Device& GetDevice() const;
141
142 const std::unique_ptr<DriverInfoVK>& GetDriverInfo() const;
143
144 const std::shared_ptr<fml::ConcurrentTaskRunner>
145 GetConcurrentWorkerTaskRunner() const;
146
147 std::shared_ptr<SurfaceContextVK> CreateSurfaceContext();
148
149 const std::shared_ptr<QueueVK>& GetGraphicsQueue() const;
150
151 vk::PhysicalDevice GetPhysicalDevice() const;
152
153 std::shared_ptr<FenceWaiterVK> GetFenceWaiter() const;
154
155 std::shared_ptr<ResourceManagerVK> GetResourceManager() const;
156
157 std::shared_ptr<CommandPoolRecyclerVK> GetCommandPoolRecycler() const;
158
159 std::shared_ptr<DescriptorPoolRecyclerVK> GetDescriptorPoolRecycler() const;
160
161 std::shared_ptr<CommandQueue> GetCommandQueue() const override;
162
163 std::shared_ptr<GPUTracerVK> GetGPUTracer() const;
164
165 void RecordFrameEndTime() const;
166
167 void InitializeCommonlyUsedShadersIfNeeded() const override;
168
169 private:
170 struct DeviceHolderImpl : public DeviceHolderVK {
171 // |DeviceHolder|
172 const vk::Device& GetDevice() const override { return device.get(); }
173 // |DeviceHolder|
174 const vk::PhysicalDevice& GetPhysicalDevice() const override {
175 return physical_device;
176 }
177
178 vk::UniqueInstance instance;
179 vk::PhysicalDevice physical_device;
180 vk::UniqueDevice device;
181 };
182
183 std::shared_ptr<DeviceHolderImpl> device_holder_;
184 std::unique_ptr<DriverInfoVK> driver_info_;
185 std::unique_ptr<DebugReportVK> debug_report_;
186 std::shared_ptr<Allocator> allocator_;
187 std::shared_ptr<ShaderLibraryVK> shader_library_;
188 std::shared_ptr<SamplerLibraryVK> sampler_library_;
189 std::shared_ptr<PipelineLibraryVK> pipeline_library_;
190 std::shared_ptr<YUVConversionLibraryVK> yuv_conversion_library_;
191 QueuesVK queues_;
192 std::shared_ptr<const Capabilities> device_capabilities_;
193 std::shared_ptr<FenceWaiterVK> fence_waiter_;
194 std::shared_ptr<ResourceManagerVK> resource_manager_;
195 std::shared_ptr<CommandPoolRecyclerVK> command_pool_recycler_;
196 std::string device_name_;
197 std::shared_ptr<fml::ConcurrentMessageLoop> raster_message_loop_;
198 std::shared_ptr<GPUTracerVK> gpu_tracer_;
199 std::shared_ptr<DescriptorPoolRecyclerVK> descriptor_pool_recycler_;
200 std::shared_ptr<CommandQueue> command_queue_vk_;
201
202 const uint64_t hash_;
203
204 bool is_valid_ = false;
205
206 ContextVK();
207
208 void Setup(Settings settings);
209
210 std::unique_ptr<CommandEncoderFactoryVK> CreateGraphicsCommandEncoderFactory()
211 const;
212
213 ContextVK(const ContextVK&) = delete;
214
215 ContextVK& operator=(const ContextVK&) = delete;
216 };
217
218 } // namespace impeller
219
220 #endif // FLUTTER_IMPELLER_RENDERER_BACKEND_VULKAN_CONTEXT_VK_H_
impeller::ContextVK::GetCapabilities
const std::shared_ptr< const Capabilities > & GetCapabilities() const override
Get the capabilities of Impeller context. All optionally supported feature of the platform,...
Definition: context_vk.cc:539
impeller::DeviceHolderVK
Holds a strong reference to the underlying logical Vulkan device. This comes in handy when the contex...
Definition: device_holder_vk.h:18
impeller::ContextVK::GetConcurrentWorkerTaskRunner
const std::shared_ptr< fml::ConcurrentTaskRunner > GetConcurrentWorkerTaskRunner() const
Definition: context_vk.cc:519
impeller::ContextVK::Settings::enable_gpu_tracing
bool enable_gpu_tracing
Definition: context_vk.h:51
impeller::ContextVK::GetDeviceHolder
std::shared_ptr< DeviceHolderVK > GetDeviceHolder() const
Definition: context_vk.h:134
impeller::ContextVK::SetDebugName
static bool SetDebugName(const vk::Device &device, T handle, std::string_view label)
Definition: context_vk.h:111
impeller::ContextVK::GetCommandQueue
std::shared_ptr< CommandQueue > GetCommandQueue() const override
Return the graphics queue for submitting command buffers.
Definition: context_vk.cc:578
impeller::Context::BackendType
BackendType
Definition: context.h:48
impeller::ContextVK::IsValid
bool IsValid() const override
Determines if a context is valid. If the caller ever receives an invalid context, they must discard i...
Definition: context_vk.cc:483
impeller::ContextVK::GetInstance
vk::Instance GetInstance() const
Definition: context_vk.cc:510
impeller::ContextVK::Settings::enable_validation
bool enable_validation
Definition: context_vk.h:50
impeller::ContextVK::GetPhysicalDevice
vk::PhysicalDevice GetPhysicalDevice() const
Definition: context_vk.cc:547
impeller::ContextVK::GetResourceAllocator
std::shared_ptr< Allocator > GetResourceAllocator() const override
Returns the allocator used to create textures and buffers on the device.
Definition: context_vk.cc:487
impeller::ContextVK::GetBackendType
BackendType GetBackendType() const override
Get the graphics backend of an Impeller context.
Definition: context_vk.cc:134
command_queue.h
formats.h
impeller::ContextVK::CreateCommandBuffer
std::shared_ptr< CommandBuffer > CreateCommandBuffer() const override
Create a new command buffer. Command buffers can be used to encode graphics, blit,...
Definition: context_vk.cc:503
impeller::ContextVK::GetHash
uint64_t GetHash() const
Definition: context_vk.h:65
impeller::ContextVK::RecordFrameEndTime
void RecordFrameEndTime() const
impeller::PixelFormat
PixelFormat
The Pixel formats supported by Impeller. The naming convention denotes the usage of the component,...
Definition: formats.h:100
device_holder_vk.h
command_pool_vk.h
pipeline_library_vk.h
impeller::ContextVK::Settings
Definition: context_vk.h:46
impeller::ContextVK::CreateSurfaceContext
std::shared_ptr< SurfaceContextVK > CreateSurfaceContext()
Definition: context_vk.cc:535
impeller::ContextVK::GetShaderLibrary
std::shared_ptr< ShaderLibrary > GetShaderLibrary() const override
Returns the library of shaders used to specify the programmable stages of a pipeline.
Definition: context_vk.cc:491
impeller::ContextVK::Settings::proc_address_callback
PFN_vkGetInstanceProcAddr proc_address_callback
Definition: context_vk.h:47
impeller::ContextVK::GetGraphicsQueue
const std::shared_ptr< QueueVK > & GetGraphicsQueue() const
Definition: context_vk.cc:543
impeller::ContextVK::GetDescriptorPoolRecycler
std::shared_ptr< DescriptorPoolRecyclerVK > GetDescriptorPoolRecycler() const
Definition: context_vk.cc:573
backend_cast.h
impeller::ContextVK::Settings::shader_libraries_data
std::vector< std::shared_ptr< fml::Mapping > > shader_libraries_data
Definition: context_vk.h:48
queue_vk.h
capabilities.h
impeller::ContextVK::Create
static std::shared_ptr< ContextVK > Create(Settings settings)
Definition: context_vk.cc:100
impeller::ContextVK::Settings::Settings
Settings()=default
driver_info_vk.h
impeller::ContextVK::SetDebugName
bool SetDebugName(T handle, std::string_view label) const
Definition: context_vk.h:106
impeller::ContextVK::GetCommandPoolRecycler
std::shared_ptr< CommandPoolRecyclerVK > GetCommandPoolRecycler() const
Definition: context_vk.cc:559
impeller::ContextVK::GetGPUTracer
std::shared_ptr< GPUTracerVK > GetGPUTracer() const
Definition: context_vk.cc:569
shader_library_vk.h
impeller::ContextVK
Definition: context_vk.h:42
VALIDATION_LOG
#define VALIDATION_LOG
Definition: validation.h:73
impeller::ContextVK::InitializeCommonlyUsedShadersIfNeeded
void InitializeCommonlyUsedShadersIfNeeded() const override
Definition: context_vk.cc:585
impeller::ContextVK::~ContextVK
~ContextVK() override
Definition: context_vk.cc:127
impeller::ContextVK::Settings::cache_directory
fml::UniqueFD cache_directory
Definition: context_vk.h:49
impeller::ContextVK::GetSamplerLibrary
std::shared_ptr< SamplerLibrary > GetSamplerLibrary() const override
Returns the library of combined image samplers used in shaders.
Definition: context_vk.cc:495
impeller::Context
To do anything rendering related with Impeller, you need a context.
Definition: context.h:46
impeller::ContextVK::GetDevice
const vk::Device & GetDevice() const
Definition: context_vk.cc:514
impeller::BackendCast
Definition: backend_cast.h:11
impeller::ContextVK::ChooseThreadCountForWorkers
static size_t ChooseThreadCountForWorkers(size_t hardware_concurrency)
Definition: context_vk.cc:110
impeller::ContextVK::GetResourceManager
std::shared_ptr< ResourceManagerVK > GetResourceManager() const
Definition: context_vk.cc:555
impeller::ContextVK::GetDriverInfo
const std::unique_ptr< DriverInfoVK > & GetDriverInfo() const
Definition: context_vk.cc:626
context.h
impeller::ContextVK::GetYUVConversionLibrary
const std::shared_ptr< YUVConversionLibraryVK > & GetYUVConversionLibrary() const
Definition: context_vk.cc:622
impeller::ContextVK::GetPipelineLibrary
std::shared_ptr< PipelineLibrary > GetPipelineLibrary() const override
Returns the library of pipelines used by render or compute commands.
Definition: context_vk.cc:499
impeller::ContextVK::DescribeGpuModel
std::string DescribeGpuModel() const override
Definition: context_vk.cc:479
impeller::ContextVK::GetFenceWaiter
std::shared_ptr< FenceWaiterVK > GetFenceWaiter() const
Definition: context_vk.cc:551
impeller::ContextVK::SetOffscreenFormat
void SetOffscreenFormat(PixelFormat pixel_format)
Definition: context_vk.cc:474
sampler_library_vk.h
impeller::HasValidationLayers
bool HasValidationLayers()
Definition: context_vk.cc:48
impeller::ContextVK::Shutdown
void Shutdown() override
Force all pending asynchronous work to finish. This is achieved by deleting all owned concurrent mess...
Definition: context_vk.cc:523
impeller
Definition: aiks_blur_unittests.cc:20