Flutter Impeller
khr_swapchain_image_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_SWAPCHAIN_KHR_KHR_SWAPCHAIN_IMAGE_VK_H_
6 #define FLUTTER_IMPELLER_RENDERER_BACKEND_VULKAN_SWAPCHAIN_KHR_KHR_SWAPCHAIN_IMAGE_VK_H_
7 
8 #include "impeller/geometry/size.h"
9 #include "impeller/renderer/backend/vulkan/formats_vk.h"
10 #include "impeller/renderer/backend/vulkan/texture_source_vk.h"
11 #include "impeller/renderer/backend/vulkan/vk.h"
12 
13 namespace impeller {
14 
15 class KHRSwapchainImageVK final : public TextureSourceVK {
16  public:
17  KHRSwapchainImageVK(TextureDescriptor desc,
18  const vk::Device& device,
19  vk::Image image);
20 
21  // |TextureSourceVK|
22  ~KHRSwapchainImageVK() override;
23 
24  bool IsValid() const;
25 
26  // |TextureSourceVK|
27  vk::Image GetImage() const override;
28 
29  // |TextureSourceVK|
30  vk::ImageView GetImageView() const override;
31 
32  // |TextureSourceVK|
33  vk::ImageView GetRenderTargetView(uint32_t mip_level,
34  uint32_t array_layer) const override;
35 
36  // |TextureSourceVK|
37  bool IsSwapchainImage() const override;
38 
39  private:
40  vk::Image image_ = VK_NULL_HANDLE;
41  vk::UniqueImageView image_view_ = {};
42  bool is_valid_ = false;
43 
44  KHRSwapchainImageVK(const KHRSwapchainImageVK&) = delete;
45 
46  KHRSwapchainImageVK& operator=(const KHRSwapchainImageVK&) = delete;
47 };
48 
49 } // namespace impeller
50 
51 #endif // FLUTTER_IMPELLER_RENDERER_BACKEND_VULKAN_SWAPCHAIN_KHR_KHR_SWAPCHAIN_IMAGE_VK_H_
impeller::KHRSwapchainImageVK::KHRSwapchainImageVK
KHRSwapchainImageVK(TextureDescriptor desc, const vk::Device &device, vk::Image image)
Definition: khr_swapchain_image_vk.cc:9
impeller::KHRSwapchainImageVK::GetImage
vk::Image GetImage() const override
Get the image handle for this texture source.
Definition: khr_swapchain_image_vk.cc:39
impeller::KHRSwapchainImageVK::GetImageView
vk::ImageView GetImageView() const override
Retrieve the image view used for sampling/blitting/compute with this texture source.
Definition: khr_swapchain_image_vk.cc:44
impeller::KHRSwapchainImageVK::IsSwapchainImage
bool IsSwapchainImage() const override
Determines if swapchain image. That is, an image used as the root render target.
Definition: khr_swapchain_image_vk.cc:57
impeller::KHRSwapchainImageVK::GetRenderTargetView
vk::ImageView GetRenderTargetView(uint32_t mip_level, uint32_t array_layer) const override
Retrieve the image view used to attach a specific subresource of this texture as a render target.
Definition: khr_swapchain_image_vk.cc:49
impeller::TextureSourceVK
Abstract base class that represents a vkImage and an vkImageView.
Definition: texture_source_vk.h:36
formats_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:38
texture_source_vk.h