1 // Copyright 2018 The Dawn Authors 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 DAWNNATIVE_VULKAN_SWAPCHAINVK_H_ 16 #define DAWNNATIVE_VULKAN_SWAPCHAINVK_H_ 17 18 #include "dawn_native/SwapChain.h" 19 20 #include "common/vulkan_platform.h" 21 22 #include <vector> 23 24 namespace dawn_native { namespace vulkan { 25 26 class Device; 27 class Texture; 28 struct VulkanSurfaceInfo; 29 30 class OldSwapChain : public OldSwapChainBase { 31 public: 32 static Ref<OldSwapChain> Create(Device* device, const SwapChainDescriptor* descriptor); 33 34 protected: 35 OldSwapChain(Device* device, const SwapChainDescriptor* descriptor); 36 ~OldSwapChain() override; 37 38 TextureBase* GetNextTextureImpl(const TextureDescriptor* descriptor) override; 39 MaybeError OnBeforePresent(TextureViewBase* texture) override; 40 41 private: 42 wgpu::TextureUsage mTextureUsage; 43 }; 44 45 class SwapChain : public NewSwapChainBase { 46 public: 47 static ResultOrError<Ref<SwapChain>> Create(Device* device, 48 Surface* surface, 49 NewSwapChainBase* previousSwapChain, 50 const SwapChainDescriptor* descriptor); 51 ~SwapChain() override; 52 53 private: 54 using NewSwapChainBase::NewSwapChainBase; 55 MaybeError Initialize(NewSwapChainBase* previousSwapChain); 56 void DestroyImpl() override; 57 58 struct Config { 59 // Information that's passed to vulkan swapchain creation. 60 VkPresentModeKHR presentMode; 61 VkExtent2D extent; 62 VkImageUsageFlags usage; 63 VkFormat format; 64 VkColorSpaceKHR colorSpace; 65 uint32_t targetImageCount; 66 VkSurfaceTransformFlagBitsKHR transform; 67 VkCompositeAlphaFlagBitsKHR alphaMode; 68 69 // Redundant information but as WebGPU enums to create the wgpu::Texture that 70 // encapsulates the native swapchain texture. 71 wgpu::TextureUsage wgpuUsage; 72 wgpu::TextureFormat wgpuFormat; 73 74 // Information about the blit workarounds we need to do (if any) 75 bool needsBlit = false; 76 }; 77 ResultOrError<Config> ChooseConfig(const VulkanSurfaceInfo& surfaceInfo) const; 78 ResultOrError<TextureViewBase*> GetCurrentTextureViewInternal(bool isReentrant = false); 79 80 // NewSwapChainBase implementation 81 MaybeError PresentImpl() override; 82 ResultOrError<TextureViewBase*> GetCurrentTextureViewImpl() override; 83 void DetachFromSurfaceImpl() override; 84 85 Config mConfig; 86 87 VkSurfaceKHR mVkSurface = VK_NULL_HANDLE; 88 VkSwapchainKHR mSwapChain = VK_NULL_HANDLE; 89 std::vector<VkImage> mSwapChainImages; 90 uint32_t mLastImageIndex = 0; 91 92 Ref<Texture> mBlitTexture; 93 Ref<Texture> mTexture; 94 }; 95 96 }} // namespace dawn_native::vulkan 97 98 #endif // DAWNNATIVE_VULKAN_SWAPCHAINVK_H_ 99