Flutter Impeller
pipeline_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_PIPELINE_VK_H_
6 #define FLUTTER_IMPELLER_RENDERER_BACKEND_VULKAN_PIPELINE_VK_H_
7 
8 #include <future>
9 #include <memory>
10 
12 #include "impeller/base/thread.h"
13 #include "impeller/core/texture.h"
21 
22 namespace impeller {
23 
24 // Limit on the total number of buffer and image bindings that allow the Vulkan
25 // backend to avoid dynamic heap allocations.
26 static constexpr size_t kMaxBindings = 32;
27 
28 class PipelineVK final
29  : public Pipeline<PipelineDescriptor>,
30  public BackendCast<PipelineVK, Pipeline<PipelineDescriptor>> {
31  public:
32  static std::unique_ptr<PipelineVK> Create(
33  const PipelineDescriptor& desc,
34  const std::shared_ptr<DeviceHolderVK>& device_holder,
35  const std::weak_ptr<PipelineLibrary>& weak_library,
36  std::shared_ptr<SamplerVK> immutable_sampler = {});
37 
38  // |Pipeline|
39  ~PipelineVK() override;
40 
41  vk::Pipeline GetPipeline() const;
42 
43  const vk::PipelineLayout& GetPipelineLayout() const;
44 
45  const vk::DescriptorSetLayout& GetDescriptorSetLayout() const;
46 
47  std::shared_ptr<PipelineVK> CreateVariantForImmutableSamplers(
48  const std::shared_ptr<SamplerVK>& immutable_sampler) const;
49 
50  private:
51  friend class PipelineLibraryVK;
52 
53  using ImmutableSamplerVariants =
54  std::unordered_map<ImmutableSamplerKeyVK,
55  std::shared_ptr<PipelineVK>,
58 
59  std::weak_ptr<DeviceHolderVK> device_holder_;
60  vk::UniquePipeline pipeline_;
61  vk::UniqueRenderPass render_pass_;
62  vk::UniquePipelineLayout layout_;
63  vk::UniqueDescriptorSetLayout descriptor_set_layout_;
64  std::shared_ptr<SamplerVK> immutable_sampler_;
65  mutable Mutex immutable_sampler_variants_mutex_;
66  mutable ImmutableSamplerVariants immutable_sampler_variants_ IPLR_GUARDED_BY(
67  immutable_sampler_variants_mutex_);
68  bool is_valid_ = false;
69 
70  PipelineVK(std::weak_ptr<DeviceHolderVK> device_holder,
71  std::weak_ptr<PipelineLibrary> library,
72  const PipelineDescriptor& desc,
73  vk::UniquePipeline pipeline,
74  vk::UniqueRenderPass render_pass,
75  vk::UniquePipelineLayout layout,
76  vk::UniqueDescriptorSetLayout descriptor_set_layout,
77  std::shared_ptr<SamplerVK> immutable_sampler);
78 
79  // |Pipeline|
80  bool IsValid() const override;
81 
82  PipelineVK(const PipelineVK&) = delete;
83 
84  PipelineVK& operator=(const PipelineVK&) = delete;
85 };
86 
87 } // namespace impeller
88 
89 #endif // FLUTTER_IMPELLER_RENDERER_BACKEND_VULKAN_PIPELINE_VK_H_
impeller::PipelineDescriptor
Definition: pipeline_descriptor.h:24
impeller::Pipeline
Describes the fixed function and programmable aspects of rendering and compute operations performed b...
Definition: compute_pipeline_descriptor.h:28
impeller::ImmutableSamplerKeyVK
Definition: yuv_conversion_vk.h:94
pipeline.h
impeller::PipelineLibraryVK
Definition: pipeline_library_vk.h:26
impeller::PipelineVK::~PipelineVK
~PipelineVK() override
Definition: pipeline_vk.cc:484
impeller::PipelineVK::GetPipelineLayout
const vk::PipelineLayout & GetPipelineLayout() const
Definition: pipeline_vk.cc:501
impeller::PipelineVK::CreateVariantForImmutableSamplers
std::shared_ptr< PipelineVK > CreateVariantForImmutableSamplers(const std::shared_ptr< SamplerVK > &immutable_sampler) const
Definition: pipeline_vk.cc:509
impeller::PipelineVK::GetPipeline
vk::Pipeline GetPipeline() const
Definition: pipeline_vk.cc:497
impeller::ComparableHash
Definition: comparable.h:39
impeller::PipelineVK
Definition: pipeline_vk.h:28
impeller::PipelineVK::Create
static std::unique_ptr< PipelineVK > Create(const PipelineDescriptor &desc, const std::shared_ptr< DeviceHolderVK > &device_holder, const std::weak_ptr< PipelineLibrary > &weak_library, std::shared_ptr< SamplerVK > immutable_sampler={})
Definition: pipeline_vk.cc:167
formats_vk.h
vk.h
device_holder_vk.h
impeller::kMaxBindings
static constexpr size_t kMaxBindings
Definition: pipeline_vk.h:26
backend_cast.h
pipeline_cache_vk.h
impeller::ComparableEqual
Definition: comparable.h:48
yuv_conversion_vk.h
impeller::BackendCast
Definition: backend_cast.h:11
texture.h
IPLR_GUARDED_BY
#define IPLR_GUARDED_BY(x)
Definition: thread_safety.h:19
sampler_vk.h
impeller::PipelineVK::GetDescriptorSetLayout
const vk::DescriptorSetLayout & GetDescriptorSetLayout() const
Definition: pipeline_vk.cc:505
thread.h
impeller
Definition: aiks_blur_unittests.cc:20