1 // Copyright 2019 The SwiftShader Authors. All Rights Reserved.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 #ifndef SWIFTSHADER_VKSWAPCHAINKHR_HPP
16 #define SWIFTSHADER_VKSWAPCHAINKHR_HPP
17
18 #include "VkSurfaceKHR.hpp"
19 #include "Vulkan/VkImage.hpp"
20 #include "Vulkan/VkObject.hpp"
21
22 #include <vector>
23
24 namespace vk {
25
26 class Fence;
27 class BinarySemaphore;
28
29 class SwapchainKHR : public Object<SwapchainKHR, VkSwapchainKHR>
30 {
31 public:
32 SwapchainKHR(const VkSwapchainCreateInfoKHR *pCreateInfo, void *mem);
33
34 void destroy(const VkAllocationCallbacks *pAllocator);
35
36 static size_t ComputeRequiredAllocationSize(const VkSwapchainCreateInfoKHR *pCreateInfo);
37
38 void retire();
39
40 VkResult createImages(VkDevice device, const VkSwapchainCreateInfoKHR *pCreateInfo);
41
42 uint32_t getImageCount() const;
43 VkResult getImages(uint32_t *pSwapchainImageCount, VkImage *pSwapchainImages) const;
44
45 VkResult getNextImage(uint64_t timeout, BinarySemaphore *semaphore, Fence *fence, uint32_t *pImageIndex);
46
47 VkResult present(uint32_t index);
getImage(uint32_t imageIndex)48 const PresentImage &getImage(uint32_t imageIndex) { return images[imageIndex]; }
49
50 VkResult releaseImages(uint32_t imageIndexCount, const uint32_t *pImageIndices);
51
52 private:
53 void releaseImage(uint32_t index);
54
55 SurfaceKHR *surface = nullptr;
56 PresentImage *images = nullptr;
57 uint32_t imageCount = 0;
58 bool retired = false;
59
60 void resetImages();
61 };
62
Cast(VkSwapchainKHR object)63 static inline SwapchainKHR *Cast(VkSwapchainKHR object)
64 {
65 return SwapchainKHR::Cast(object);
66 }
67
68 } // namespace vk
69
70 #endif // SWIFTSHADER_VKSWAPCHAINKHR_HPP
71