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"
18 
19 namespace impeller {
20 
21 // Limit on the total number of buffer and image bindings that allow the Vulkan
22 // backend to avoid dynamic heap allocations.
23 static constexpr size_t kMaxBindings = 32;
24 
25 class PipelineVK final
26  : public Pipeline<PipelineDescriptor>,
27  public BackendCast<PipelineVK, Pipeline<PipelineDescriptor>> {
28  public:
29  static std::unique_ptr<PipelineVK> Create(
30  const PipelineDescriptor& desc,
31  const std::shared_ptr<DeviceHolderVK>& device_holder,
32  const std::weak_ptr<PipelineLibrary>& weak_library,
33  PipelineKey pipeline_key,
34  std::shared_ptr<SamplerVK> immutable_sampler = {});
35 
36  // |Pipeline|
37  ~PipelineVK() override;
38 
39  vk::Pipeline GetPipeline() const;
40 
41  const vk::PipelineLayout& GetPipelineLayout() const;
42 
43  const vk::DescriptorSetLayout& GetDescriptorSetLayout() const;
44 
45  std::shared_ptr<PipelineVK> CreateVariantForImmutableSamplers(
46  const std::shared_ptr<SamplerVK>& immutable_sampler) const;
47 
48  PipelineKey GetPipelineKey() const { return pipeline_key_; }
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  const PipelineKey pipeline_key_;
66  mutable Mutex immutable_sampler_variants_mutex_;
67  mutable ImmutableSamplerVariants immutable_sampler_variants_ IPLR_GUARDED_BY(
68  immutable_sampler_variants_mutex_);
69  bool is_valid_ = false;
70 
71  PipelineVK(std::weak_ptr<DeviceHolderVK> device_holder,
72  std::weak_ptr<PipelineLibrary> library,
73  const PipelineDescriptor& desc,
74  vk::UniquePipeline pipeline,
75  vk::UniqueRenderPass render_pass,
76  vk::UniquePipelineLayout layout,
77  vk::UniqueDescriptorSetLayout descriptor_set_layout,
78  PipelineKey pipeline_key,
79  std::shared_ptr<SamplerVK> immutable_sampler);
80 
81  // |Pipeline|
82  bool IsValid() const override;
83 
84  PipelineVK(const PipelineVK&) = delete;
85 
86  PipelineVK& operator=(const PipelineVK&) = delete;
87 };
88 
89 } // namespace impeller
90 
91 #endif // FLUTTER_IMPELLER_RENDERER_BACKEND_VULKAN_PIPELINE_VK_H_
Describes the fixed function and programmable aspects of rendering and compute operations performed b...
Definition: pipeline.h:52
std::shared_ptr< PipelineVK > CreateVariantForImmutableSamplers(const std::shared_ptr< SamplerVK > &immutable_sampler) const
Definition: pipeline_vk.cc:570
~PipelineVK() override
Definition: pipeline_vk.cc:545
PipelineKey GetPipelineKey() const
Definition: pipeline_vk.h:48
const vk::PipelineLayout & GetPipelineLayout() const
Definition: pipeline_vk.cc:562
const vk::DescriptorSetLayout & GetDescriptorSetLayout() const
Definition: pipeline_vk.cc:566
vk::Pipeline GetPipeline() const
Definition: pipeline_vk.cc:558
static std::unique_ptr< PipelineVK > Create(const PipelineDescriptor &desc, const std::shared_ptr< DeviceHolderVK > &device_holder, const std::weak_ptr< PipelineLibrary > &weak_library, PipelineKey pipeline_key, std::shared_ptr< SamplerVK > immutable_sampler={})
Definition: pipeline_vk.cc:464
int64_t PipelineKey
Definition: pipeline.h:21
static constexpr size_t kMaxBindings
Definition: pipeline_vk.h:23
#define IPLR_GUARDED_BY(x)
Definition: thread_safety.h:19