| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef VULKANMANAGER_H |
| #define VULKANMANAGER_H |
| |
| #if !defined(VK_USE_PLATFORM_ANDROID_KHR) |
| # define VK_USE_PLATFORM_ANDROID_KHR |
| #endif |
| #include <vulkan/vulkan.h> |
| |
| #include <SkSurface.h> |
| #include <ui/Fence.h> |
| #include <utils/StrongPointer.h> |
| #include <vk/GrVkBackendContext.h> |
| |
| class GrVkExtensions; |
| |
| namespace android { |
| namespace uirenderer { |
| namespace renderthread { |
| |
| class RenderThread; |
| |
| class VulkanSurface { |
| public: |
| VulkanSurface() {} |
| |
| sk_sp<SkSurface> getBackBufferSurface() { return mBackbuffer; } |
| |
| private: |
| friend class VulkanManager; |
| struct BackbufferInfo { |
| uint32_t mImageIndex; // image this is associated with |
| VkSemaphore mAcquireSemaphore; // we signal on this for acquisition of image |
| VkSemaphore mRenderSemaphore; // we wait on this for rendering to be done |
| VkCommandBuffer |
| mTransitionCmdBuffers[2]; // to transition layout between present and render |
| // We use these fences to make sure the above Command buffers have finished their work |
| // before attempting to reuse them or destroy them. |
| VkFence mUsageFences[2]; |
| }; |
| |
| struct ImageInfo { |
| VkImageLayout mImageLayout = VK_IMAGE_LAYOUT_UNDEFINED; |
| sk_sp<SkSurface> mSurface; |
| uint16_t mLastUsed = 0; |
| bool mInvalid = true; |
| }; |
| |
| sk_sp<SkSurface> mBackbuffer; |
| |
| VkSurfaceKHR mVkSurface = VK_NULL_HANDLE; |
| VkSwapchainKHR mSwapchain = VK_NULL_HANDLE; |
| |
| BackbufferInfo* mBackbuffers = nullptr; |
| uint32_t mCurrentBackbufferIndex; |
| |
| uint32_t mImageCount; |
| VkImage* mImages = nullptr; |
| ImageInfo* mImageInfos; |
| uint16_t mCurrentTime = 0; |
| }; |
| |
| // This class contains the shared global Vulkan objects, such as VkInstance, VkDevice and VkQueue, |
| // which are re-used by CanvasContext. This class is created once and should be used by all vulkan |
| // windowing contexts. The VulkanManager must be initialized before use. |
| class VulkanManager { |
| public: |
| // Sets up the vulkan context that is shared amonst all clients of the VulkanManager. This must |
| // be call once before use of the VulkanManager. Multiple calls after the first will simiply |
| // return. |
| void initialize(); |
| |
| // Quick check to see if the VulkanManager has been initialized. |
| bool hasVkContext() { return mDevice != VK_NULL_HANDLE; } |
| |
| // Given a window this creates a new VkSurfaceKHR and VkSwapchain and stores them inside a new |
| // VulkanSurface object which is returned. |
| VulkanSurface* createSurface(ANativeWindow* window); |
| |
| // Destroy the VulkanSurface and all associated vulkan objects. |
| void destroySurface(VulkanSurface* surface); |
| |
| // Cleans up all the global state in the VulkanManger. |
| void destroy(); |
| |
| // No work is needed to make a VulkanSurface current, and all functions require that a |
| // VulkanSurface is passed into them so we just return true here. |
| bool isCurrent(VulkanSurface* surface) { return true; } |
| |
| int getAge(VulkanSurface* surface); |
| |
| // Returns an SkSurface which wraps the next image returned from vkAcquireNextImageKHR. It also |
| // will transition the VkImage from a present layout to color attachment so that it can be used |
| // by the client for drawing. |
| SkSurface* getBackbufferSurface(VulkanSurface* surface); |
| |
| // Presents the current VkImage. |
| void swapBuffers(VulkanSurface* surface); |
| |
| // Inserts a wait on fence command into the Vulkan command buffer. |
| status_t fenceWait(sp<Fence>& fence); |
| |
| // Creates a fence that is signaled, when all the pending Vulkan commands are flushed. |
| status_t createReleaseFence(sp<Fence>& nativeFence); |
| |
| private: |
| friend class RenderThread; |
| |
| explicit VulkanManager(RenderThread& thread); |
| ~VulkanManager() { destroy(); } |
| |
| // Sets up the VkInstance and VkDevice objects. Also fills out the passed in |
| // VkPhysicalDeviceFeatures struct. |
| bool setupDevice(GrVkExtensions&, VkPhysicalDeviceFeatures2&); |
| |
| void destroyBuffers(VulkanSurface* surface); |
| |
| bool createSwapchain(VulkanSurface* surface); |
| void createBuffers(VulkanSurface* surface, VkFormat format, VkExtent2D extent); |
| |
| VulkanSurface::BackbufferInfo* getAvailableBackbuffer(VulkanSurface* surface); |
| |
| // simple wrapper class that exists only to initialize a pointer to NULL |
| template <typename FNPTR_TYPE> |
| class VkPtr { |
| public: |
| VkPtr() : fPtr(NULL) {} |
| VkPtr operator=(FNPTR_TYPE ptr) { |
| fPtr = ptr; |
| return *this; |
| } |
| operator FNPTR_TYPE() const { return fPtr; } |
| |
| private: |
| FNPTR_TYPE fPtr; |
| }; |
| |
| // WSI interface functions |
| VkPtr<PFN_vkCreateAndroidSurfaceKHR> mCreateAndroidSurfaceKHR; |
| VkPtr<PFN_vkDestroySurfaceKHR> mDestroySurfaceKHR; |
| VkPtr<PFN_vkGetPhysicalDeviceSurfaceSupportKHR> mGetPhysicalDeviceSurfaceSupportKHR; |
| VkPtr<PFN_vkGetPhysicalDeviceSurfaceCapabilitiesKHR> mGetPhysicalDeviceSurfaceCapabilitiesKHR; |
| VkPtr<PFN_vkGetPhysicalDeviceSurfaceFormatsKHR> mGetPhysicalDeviceSurfaceFormatsKHR; |
| VkPtr<PFN_vkGetPhysicalDeviceSurfacePresentModesKHR> mGetPhysicalDeviceSurfacePresentModesKHR; |
| |
| VkPtr<PFN_vkCreateSwapchainKHR> mCreateSwapchainKHR; |
| VkPtr<PFN_vkDestroySwapchainKHR> mDestroySwapchainKHR; |
| VkPtr<PFN_vkGetSwapchainImagesKHR> mGetSwapchainImagesKHR; |
| VkPtr<PFN_vkAcquireNextImageKHR> mAcquireNextImageKHR; |
| VkPtr<PFN_vkQueuePresentKHR> mQueuePresentKHR; |
| VkPtr<PFN_vkCreateSharedSwapchainsKHR> mCreateSharedSwapchainsKHR; |
| |
| // Instance Functions |
| VkPtr<PFN_vkEnumerateInstanceVersion> mEnumerateInstanceVersion; |
| VkPtr<PFN_vkEnumerateInstanceExtensionProperties> mEnumerateInstanceExtensionProperties; |
| VkPtr<PFN_vkCreateInstance> mCreateInstance; |
| |
| VkPtr<PFN_vkDestroyInstance> mDestroyInstance; |
| VkPtr<PFN_vkEnumeratePhysicalDevices> mEnumeratePhysicalDevices; |
| VkPtr<PFN_vkGetPhysicalDeviceQueueFamilyProperties> mGetPhysicalDeviceQueueFamilyProperties; |
| VkPtr<PFN_vkGetPhysicalDeviceFeatures2> mGetPhysicalDeviceFeatures2; |
| VkPtr<PFN_vkCreateDevice> mCreateDevice; |
| VkPtr<PFN_vkEnumerateDeviceExtensionProperties> mEnumerateDeviceExtensionProperties; |
| |
| // Device Functions |
| VkPtr<PFN_vkGetDeviceQueue> mGetDeviceQueue; |
| VkPtr<PFN_vkDeviceWaitIdle> mDeviceWaitIdle; |
| VkPtr<PFN_vkDestroyDevice> mDestroyDevice; |
| VkPtr<PFN_vkCreateCommandPool> mCreateCommandPool; |
| VkPtr<PFN_vkDestroyCommandPool> mDestroyCommandPool; |
| VkPtr<PFN_vkAllocateCommandBuffers> mAllocateCommandBuffers; |
| VkPtr<PFN_vkFreeCommandBuffers> mFreeCommandBuffers; |
| VkPtr<PFN_vkResetCommandBuffer> mResetCommandBuffer; |
| VkPtr<PFN_vkBeginCommandBuffer> mBeginCommandBuffer; |
| VkPtr<PFN_vkEndCommandBuffer> mEndCommandBuffer; |
| VkPtr<PFN_vkCmdPipelineBarrier> mCmdPipelineBarrier; |
| |
| VkPtr<PFN_vkQueueSubmit> mQueueSubmit; |
| VkPtr<PFN_vkQueueWaitIdle> mQueueWaitIdle; |
| |
| VkPtr<PFN_vkCreateSemaphore> mCreateSemaphore; |
| VkPtr<PFN_vkDestroySemaphore> mDestroySemaphore; |
| VkPtr<PFN_vkCreateFence> mCreateFence; |
| VkPtr<PFN_vkDestroyFence> mDestroyFence; |
| VkPtr<PFN_vkWaitForFences> mWaitForFences; |
| VkPtr<PFN_vkResetFences> mResetFences; |
| |
| RenderThread& mRenderThread; |
| |
| VkInstance mInstance = VK_NULL_HANDLE; |
| VkPhysicalDevice mPhysicalDevice = VK_NULL_HANDLE; |
| VkDevice mDevice = VK_NULL_HANDLE; |
| |
| uint32_t mGraphicsQueueIndex; |
| VkQueue mGraphicsQueue = VK_NULL_HANDLE; |
| uint32_t mPresentQueueIndex; |
| VkQueue mPresentQueue = VK_NULL_HANDLE; |
| VkCommandPool mCommandPool = VK_NULL_HANDLE; |
| |
| enum class SwapBehavior { |
| Discard, |
| BufferAge, |
| }; |
| SwapBehavior mSwapBehavior = SwapBehavior::Discard; |
| }; |
| |
| } /* namespace renderthread */ |
| } /* namespace uirenderer */ |
| } /* namespace android */ |
| |
| #endif /* VULKANMANAGER_H */ |