1 /* 2 * Copyright 2023 Google LLC 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 #ifndef VulkanWindowContext_DEFINED 8 #define VulkanWindowContext_DEFINED 9 10 #include "include/core/SkTypes.h" 11 12 #ifdef SK_VULKAN 13 14 #include "include/gpu/vk/VulkanBackendContext.h" 15 #include "tools/gpu/vk/VkTestUtils.h" 16 #include "tools/window/WindowContext.h" 17 18 class GrRenderTarget; 19 20 namespace skgpu { struct VulkanInterface; } 21 22 namespace skwindow::internal { 23 24 class VulkanWindowContext : public WindowContext { 25 public: 26 ~VulkanWindowContext() override; 27 28 sk_sp<SkSurface> getBackbufferSurface() override; 29 isValid()30 bool isValid() override { return fDevice != VK_NULL_HANDLE; } 31 resize(int w,int h)32 void resize(int w, int h) override { 33 this->createSwapchain(w, h, fDisplayParams); 34 } 35 setDisplayParams(const DisplayParams & params)36 void setDisplayParams(const DisplayParams& params) override { 37 this->destroyContext(); 38 fDisplayParams = params; 39 this->initializeContext(); 40 } 41 42 /** Platform specific function that creates a VkSurfaceKHR for a window */ 43 using CreateVkSurfaceFn = std::function<VkSurfaceKHR(VkInstance)>; 44 /** Platform specific function that determines whether presentation will succeed. */ 45 using CanPresentFn = sk_gpu_test::CanPresentFn; 46 47 VulkanWindowContext(const DisplayParams&, CreateVkSurfaceFn, CanPresentFn, 48 PFN_vkGetInstanceProcAddr); 49 50 private: 51 void initializeContext(); 52 void destroyContext(); 53 54 struct BackbufferInfo { 55 uint32_t fImageIndex; // image this is associated with 56 VkSemaphore fRenderSemaphore; // we wait on this for rendering to be done 57 }; 58 59 BackbufferInfo* getAvailableBackbuffer(); 60 bool createSwapchain(int width, int height, const DisplayParams& params); 61 bool createBuffers(VkFormat format, VkImageUsageFlags, SkColorType colorType, VkSharingMode); 62 void destroyBuffers(); 63 void onSwapBuffers() override; 64 65 VkInstance fInstance = VK_NULL_HANDLE; 66 VkPhysicalDevice fPhysicalDevice = VK_NULL_HANDLE; 67 VkDevice fDevice = VK_NULL_HANDLE; 68 VkDebugReportCallbackEXT fDebugCallback = VK_NULL_HANDLE; 69 70 // Create functions 71 CreateVkSurfaceFn fCreateVkSurfaceFn; 72 CanPresentFn fCanPresentFn; 73 74 PFN_vkGetInstanceProcAddr fGetInstanceProcAddr = nullptr; 75 76 // WSI interface functions 77 PFN_vkDestroySurfaceKHR fDestroySurfaceKHR = nullptr; 78 PFN_vkGetPhysicalDeviceSurfaceSupportKHR fGetPhysicalDeviceSurfaceSupportKHR = nullptr; 79 PFN_vkGetPhysicalDeviceSurfaceCapabilitiesKHR fGetPhysicalDeviceSurfaceCapabilitiesKHR =nullptr; 80 PFN_vkGetPhysicalDeviceSurfaceFormatsKHR fGetPhysicalDeviceSurfaceFormatsKHR = nullptr; 81 PFN_vkGetPhysicalDeviceSurfacePresentModesKHR fGetPhysicalDeviceSurfacePresentModesKHR =nullptr; 82 83 PFN_vkCreateSwapchainKHR fCreateSwapchainKHR = nullptr; 84 PFN_vkDestroySwapchainKHR fDestroySwapchainKHR = nullptr; 85 PFN_vkGetSwapchainImagesKHR fGetSwapchainImagesKHR = nullptr; 86 PFN_vkAcquireNextImageKHR fAcquireNextImageKHR = nullptr; 87 PFN_vkQueuePresentKHR fQueuePresentKHR = nullptr; 88 89 PFN_vkDestroyInstance fDestroyInstance = nullptr; 90 PFN_vkDeviceWaitIdle fDeviceWaitIdle = nullptr; 91 PFN_vkDestroyDebugReportCallbackEXT fDestroyDebugReportCallbackEXT = nullptr; 92 PFN_vkQueueWaitIdle fQueueWaitIdle = nullptr; 93 PFN_vkDestroyDevice fDestroyDevice = nullptr; 94 PFN_vkGetDeviceQueue fGetDeviceQueue = nullptr; 95 96 sk_sp<const skgpu::VulkanInterface> fInterface; 97 98 VkSurfaceKHR fSurface; 99 VkSwapchainKHR fSwapchain; 100 uint32_t fGraphicsQueueIndex; 101 VkQueue fGraphicsQueue; 102 uint32_t fPresentQueueIndex; 103 VkQueue fPresentQueue; 104 105 uint32_t fImageCount; 106 VkImage* fImages; // images in the swapchain 107 VkImageLayout* fImageLayouts; // layouts of these images when not color attachment 108 sk_sp<SkSurface>* fSurfaces; // surfaces client renders to (may not be based on rts) 109 BackbufferInfo* fBackbuffers; 110 uint32_t fCurrentBackbufferIndex; 111 }; 112 113 } // namespace skwindow::internal 114 115 #endif // SK_VULKAN 116 117 #endif 118