Handle vulkan windowing directly in SkiaVulkanPipeline
Test: manual testing in skiavk mode
Change-Id: I2fab80bae2787bfdacbc70d0402e98450e59406d
diff --git a/libs/hwui/renderthread/VulkanManager.h b/libs/hwui/renderthread/VulkanManager.h
new file mode 100644
index 0000000..f0e3320
--- /dev/null
+++ b/libs/hwui/renderthread/VulkanManager.h
@@ -0,0 +1,171 @@
+/*
+ * 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
+
+#include <SkSurface.h>
+#include <vk/GrVkBackendContext.h>
+
+#include <vulkan/vulkan.h>
+
+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];
+ };
+
+ sk_sp<SkSurface> mBackbuffer;
+
+ VkSurfaceKHR mVkSurface = VK_NULL_HANDLE;
+ VkSwapchainKHR mSwapchain = VK_NULL_HANDLE;
+
+ BackbufferInfo* mBackbuffers;
+ uint32_t mCurrentBackbufferIndex;
+
+ uint32_t mImageCount;
+ VkImage* mImages;
+ VkImageLayout* mImageLayouts;
+ sk_sp<SkSurface>* mSurfaces;
+};
+
+// 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 mBackendContext.get() != nullptr; }
+
+ // 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; }
+
+ // 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);
+
+private:
+ friend class RenderThread;
+
+ explicit VulkanManager(RenderThread& thread);
+ ~VulkanManager() { destroy(); }
+
+ 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;
+
+ // Additional vulkan functions
+ 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_vkGetDeviceQueue> mGetDeviceQueue;
+ VkPtr<PFN_vkQueueSubmit> mQueueSubmit;
+ VkPtr<PFN_vkQueueWaitIdle> mQueueWaitIdle;
+ VkPtr<PFN_vkDeviceWaitIdle> mDeviceWaitIdle;
+
+ 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;
+
+ sk_sp<const GrVkBackendContext> mBackendContext;
+ uint32_t mPresentQueueIndex;
+ VkQueue mPresentQueue = VK_NULL_HANDLE;
+ VkCommandPool mCommandPool = VK_NULL_HANDLE;
+};
+
+} /* namespace renderthread */
+} /* namespace uirenderer */
+} /* namespace android */
+
+#endif /* VULKANMANAGER_H */
+