Flutter Impeller
texture_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_TEXTURE_VK_H_
6 #define FLUTTER_IMPELLER_RENDERER_BACKEND_VULKAN_TEXTURE_VK_H_
7 
10 #include "impeller/core/texture.h"
17 
18 namespace impeller {
19 
20 class TextureVK final : public Texture, public BackendCast<TextureVK, Texture> {
21  public:
22  TextureVK(std::weak_ptr<Context> context,
23  std::shared_ptr<TextureSourceVK> source);
24 
25  // |Texture|
26  ~TextureVK() override;
27 
28  vk::Image GetImage() const;
29 
30  vk::ImageView GetImageView() const;
31 
32  vk::ImageView GetRenderTargetView() const;
33 
34  bool SetLayout(const BarrierVK& barrier) const;
35 
36  vk::ImageLayout SetLayoutWithoutEncoding(vk::ImageLayout layout) const;
37 
38  vk::ImageLayout GetLayout() const;
39 
40  std::shared_ptr<const TextureSourceVK> GetTextureSource() const;
41 
42  // |Texture|
43  ISize GetSize() const override;
44 
45  void SetMipMapGenerated();
46 
47  bool IsSwapchainImage() const;
48 
49  std::shared_ptr<SamplerVK> GetImmutableSamplerVariant(
50  const SamplerVK& sampler) const;
51 
52  /// Store the last framebuffer and render pass object used with this texture.
53  ///
54  /// This method is only called if this texture is used as the resolve texture
55  /// of a render pass. By construction, this framebuffer should be compatible
56  /// with any future render passes.
58  SampleCount sample_count);
59 
60  /// Retrieve the last framebuffer and render pass object used with this
61  /// texture.
62  ///
63  /// An empty FramebufferAndRenderPass is returned if there is no cached data
64  /// for a particular sample count.
66  SampleCount sample_count) const;
67 
68  private:
69  std::weak_ptr<Context> context_;
70  std::shared_ptr<TextureSourceVK> source_;
71  bool has_validation_layers_ = false;
72 
73  // |Texture|
74  void SetLabel(std::string_view label) override;
75 
76  // |Texture|
77  void SetLabel(std::string_view label, std::string_view trailing) override;
78 
79  // |Texture|
80  bool OnSetContents(const uint8_t* contents,
81  size_t length,
82  size_t slice) override;
83 
84  // |Texture|
85  bool OnSetContents(std::shared_ptr<const fml::Mapping> mapping,
86  size_t slice) override;
87 
88  // |Texture|
89  bool IsValid() const override;
90 
91  TextureVK(const TextureVK&) = delete;
92 
93  TextureVK& operator=(const TextureVK&) = delete;
94 };
95 
96 } // namespace impeller
97 
98 #endif // FLUTTER_IMPELLER_RENDERER_BACKEND_VULKAN_TEXTURE_VK_H_
vk::ImageView GetImageView() const
Definition: texture_vk.cc:174
std::shared_ptr< const TextureSourceVK > GetTextureSource() const
Definition: texture_vk.cc:178
bool IsSwapchainImage() const
Definition: texture_vk.cc:214
vk::ImageView GetRenderTargetView() const
Definition: texture_vk.cc:196
const FramebufferAndRenderPass & GetCachedFrameData(SampleCount sample_count) const
Definition: texture_vk.cc:205
vk::ImageLayout SetLayoutWithoutEncoding(vk::ImageLayout layout) const
Definition: texture_vk.cc:186
std::shared_ptr< SamplerVK > GetImmutableSamplerVariant(const SamplerVK &sampler) const
Definition: texture_vk.cc:218
ISize GetSize() const override
Definition: texture_vk.cc:166
TextureVK(std::weak_ptr< Context > context, std::shared_ptr< TextureSourceVK > source)
Definition: texture_vk.cc:15
bool SetLayout(const BarrierVK &barrier) const
Definition: texture_vk.cc:182
vk::ImageLayout GetLayout() const
Definition: texture_vk.cc:192
~TextureVK() override
vk::Image GetImage() const
Definition: texture_vk.cc:170
void SetCachedFrameData(const FramebufferAndRenderPass &data, SampleCount sample_count)
Definition: texture_vk.cc:200
SampleCount
Definition: formats.h:295
Defines an operations and memory access barrier on a resource.
Definition: barrier_vk.h:27
std::shared_ptr< const fml::Mapping > data
Definition: texture_gles.cc:68