libs/hwui/renderthread/VulkanManager.h - LeafOS-Project/android_frameworks_base - Gitiles

 /*
  * 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 <GrContextOptions.h>
 #include <SkSurface.h>
 #include <android-base/unique_fd.h>
 #include <utils/StrongPointer.h>
 #include <vk/GrVkBackendContext.h>
 #include <vk/GrVkExtensions.h>
 #include <vulkan/vulkan.h>

 // VK_ANDROID_frame_boundary is a bespoke extension defined by AGI
 // (https://github.com/google/agi) to enable profiling of apps rendering via
 // HWUI. This extension is not defined in Khronos, hence the need to declare it
 // manually here. There's a superseding extension (VK_EXT_frame_boundary) being
 // discussed in Khronos, but in the meantime we use the bespoke
 // VK_ANDROID_frame_boundary. This is a device extension that is implemented by
 // AGI's Vulkan capture layer, such that it is only supported by devices when
 // AGI is doing a capture of the app.
 //
 // TODO(b/182165045): use the Khronos blessed VK_EXT_frame_boudary once it has
 // landed in the spec.
 typedef void(VKAPI_PTR* PFN_vkFrameBoundaryANDROID)(VkDevice device, VkSemaphore semaphore,
                                                     VkImage image);
 #define VK_ANDROID_FRAME_BOUNDARY_EXTENSION_NAME "VK_ANDROID_frame_boundary"

 #include "Frame.h"
 #include "IRenderPipeline.h"
 #include "VulkanSurface.h"
 #include "private/hwui/DrawVkInfo.h"

 #include <SkColorSpace.h>
 #include <SkRefCnt.h>

 namespace android {
 namespace uirenderer {
 namespace renderthread {

 class RenderThread;

 // 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 final : public RefBase {
 public:
     static sp<VulkanManager> getInstance();
     static sp<VulkanManager> peekInstance();

     // 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 mInitialized; }

     // Create and destroy functions for wrapping an ANativeWindow in a VulkanSurface
     VulkanSurface* createSurface(ANativeWindow* window,
                                  ColorMode colorMode,
                                  sk_sp<SkColorSpace> surfaceColorSpace,
                                  SkColorType surfaceColorType,
                                  GrDirectContext* grContext,
                                  uint32_t extraBuffers);
     void destroySurface(VulkanSurface* surface);

     Frame dequeueNextBuffer(VulkanSurface* surface);

     struct VkDrawResult {
         // The estimated start time for intiating GPU work, -1 if unknown.
         nsecs_t submissionTime;
         android::base::unique_fd presentFence;
     };

     // Finishes the frame and submits work to the GPU
     VkDrawResult finishFrame(SkSurface* surface);
     void swapBuffers(VulkanSurface* surface, const SkRect& dirtyRect,
                      android::base::unique_fd&& presentFence);

     // Inserts a wait on fence command into the Vulkan command buffer.
     status_t fenceWait(int fence, GrDirectContext* grContext);

     // Creates a fence that is signaled when all the pending Vulkan commands are finished on the
     // GPU.
     status_t createReleaseFence(int* nativeFence, GrDirectContext* grContext);

     // Returned pointers are owned by VulkanManager.
     // An instance of VkFunctorInitParams returned from getVkFunctorInitParams refers to
     // the internal state of VulkanManager: VulkanManager must be alive to use the returned value.
     VkFunctorInitParams getVkFunctorInitParams() const;


     enum class ContextType {
         kRenderThread,
         kUploadThread
     };

     // returns a Skia graphic context used to draw content on the specified thread
     sk_sp<GrDirectContext> createContext(GrContextOptions& options,
                                          ContextType contextType = ContextType::kRenderThread);

     uint32_t getDriverVersion() const { return mDriverVersion; }

 private:
     friend class VulkanSurface;

     explicit VulkanManager() {}
     ~VulkanManager();

     // Sets up the VkInstance and VkDevice objects. Also fills out the passed in
     // VkPhysicalDeviceFeatures struct.
     void setupDevice(GrVkExtensions&, VkPhysicalDeviceFeatures2&);

     // 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;
         }
         // NOLINTNEXTLINE(google-explicit-constructor)
         operator FNPTR_TYPE() const { return fPtr; }

     private:
         FNPTR_TYPE fPtr;
     };

     // Instance Functions
     VkPtr<PFN_vkEnumerateInstanceVersion> mEnumerateInstanceVersion;
     VkPtr<PFN_vkEnumerateInstanceExtensionProperties> mEnumerateInstanceExtensionProperties;
     VkPtr<PFN_vkCreateInstance> mCreateInstance;

     VkPtr<PFN_vkDestroyInstance> mDestroyInstance;
     VkPtr<PFN_vkEnumeratePhysicalDevices> mEnumeratePhysicalDevices;
     VkPtr<PFN_vkGetPhysicalDeviceProperties> mGetPhysicalDeviceProperties;
     VkPtr<PFN_vkGetPhysicalDeviceQueueFamilyProperties> mGetPhysicalDeviceQueueFamilyProperties;
     VkPtr<PFN_vkGetPhysicalDeviceFeatures2> mGetPhysicalDeviceFeatures2;
     VkPtr<PFN_vkGetPhysicalDeviceImageFormatProperties2> mGetPhysicalDeviceImageFormatProperties2;
     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_vkImportSemaphoreFdKHR> mImportSemaphoreFdKHR;
     VkPtr<PFN_vkGetSemaphoreFdKHR> mGetSemaphoreFdKHR;
     VkPtr<PFN_vkCreateFence> mCreateFence;
     VkPtr<PFN_vkDestroyFence> mDestroyFence;
     VkPtr<PFN_vkWaitForFences> mWaitForFences;
     VkPtr<PFN_vkResetFences> mResetFences;
     VkPtr<PFN_vkFrameBoundaryANDROID> mFrameBoundaryANDROID;

     VkInstance mInstance = VK_NULL_HANDLE;
     VkPhysicalDevice mPhysicalDevice = VK_NULL_HANDLE;
     VkDevice mDevice = VK_NULL_HANDLE;

     uint32_t mGraphicsQueueIndex;
     VkQueue mGraphicsQueue = VK_NULL_HANDLE;
     VkQueue mAHBUploadQueue = VK_NULL_HANDLE;

     // Variables saved to populate VkFunctorInitParams.
     static const uint32_t mAPIVersion = VK_MAKE_VERSION(1, 1, 0);
     std::vector<VkExtensionProperties> mInstanceExtensionsOwner;
     std::vector<const char*> mInstanceExtensions;
     std::vector<VkExtensionProperties> mDeviceExtensionsOwner;
     std::vector<const char*> mDeviceExtensions;
     VkPhysicalDeviceFeatures2 mPhysicalDeviceFeatures2{};

     enum class SwapBehavior {
         Discard,
         BufferAge,
     };
     SwapBehavior mSwapBehavior = SwapBehavior::Discard;
     GrVkExtensions mExtensions;
     uint32_t mDriverVersion = 0;

     std::once_flag mInitFlag;
     std::atomic_bool mInitialized = false;
 };

 } /* namespace renderthread */
 } /* namespace uirenderer */
 } /* namespace android */

 #endif /* VULKANMANAGER_H */
	/*
	* 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 <GrContextOptions.h>
	#include <SkSurface.h>
	#include <android-base/unique_fd.h>
	#include <utils/StrongPointer.h>
	#include <vk/GrVkBackendContext.h>
	#include <vk/GrVkExtensions.h>
	#include <vulkan/vulkan.h>

	// VK_ANDROID_frame_boundary is a bespoke extension defined by AGI
	// (https://github.com/google/agi) to enable profiling of apps rendering via
	// HWUI. This extension is not defined in Khronos, hence the need to declare it
	// manually here. There's a superseding extension (VK_EXT_frame_boundary) being
	// discussed in Khronos, but in the meantime we use the bespoke
	// VK_ANDROID_frame_boundary. This is a device extension that is implemented by
	// AGI's Vulkan capture layer, such that it is only supported by devices when
	// AGI is doing a capture of the app.
	//
	// TODO(b/182165045): use the Khronos blessed VK_EXT_frame_boudary once it has
	// landed in the spec.
	typedef void(VKAPI_PTR* PFN_vkFrameBoundaryANDROID)(VkDevice device, VkSemaphore semaphore,
	VkImage image);
	#define VK_ANDROID_FRAME_BOUNDARY_EXTENSION_NAME "VK_ANDROID_frame_boundary"

	#include "Frame.h"
	#include "IRenderPipeline.h"
	#include "VulkanSurface.h"
	#include "private/hwui/DrawVkInfo.h"

	#include <SkColorSpace.h>
	#include <SkRefCnt.h>

	namespace android {
	namespace uirenderer {
	namespace renderthread {

	class RenderThread;

	// 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 final : public RefBase {
	public:
	static sp<VulkanManager> getInstance();
	static sp<VulkanManager> peekInstance();

	// 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 mInitialized; }

	// Create and destroy functions for wrapping an ANativeWindow in a VulkanSurface
	VulkanSurface* createSurface(ANativeWindow* window,
	ColorMode colorMode,
	sk_sp<SkColorSpace> surfaceColorSpace,
	SkColorType surfaceColorType,
	GrDirectContext* grContext,
	uint32_t extraBuffers);
	void destroySurface(VulkanSurface* surface);

	Frame dequeueNextBuffer(VulkanSurface* surface);

	struct VkDrawResult {
	// The estimated start time for intiating GPU work, -1 if unknown.
	nsecs_t submissionTime;
	android::base::unique_fd presentFence;
	};

	// Finishes the frame and submits work to the GPU
	VkDrawResult finishFrame(SkSurface* surface);
	void swapBuffers(VulkanSurface* surface, const SkRect& dirtyRect,
	android::base::unique_fd&& presentFence);

	// Inserts a wait on fence command into the Vulkan command buffer.
	status_t fenceWait(int fence, GrDirectContext* grContext);

	// Creates a fence that is signaled when all the pending Vulkan commands are finished on the
	// GPU.
	status_t createReleaseFence(int* nativeFence, GrDirectContext* grContext);

	// Returned pointers are owned by VulkanManager.
	// An instance of VkFunctorInitParams returned from getVkFunctorInitParams refers to
	// the internal state of VulkanManager: VulkanManager must be alive to use the returned value.
	VkFunctorInitParams getVkFunctorInitParams() const;


	enum class ContextType {
	kRenderThread,
	kUploadThread
	};

	// returns a Skia graphic context used to draw content on the specified thread
	sk_sp<GrDirectContext> createContext(GrContextOptions& options,
	ContextType contextType = ContextType::kRenderThread);

	uint32_t getDriverVersion() const { return mDriverVersion; }

	private:
	friend class VulkanSurface;

	explicit VulkanManager() {}
	~VulkanManager();

	// Sets up the VkInstance and VkDevice objects. Also fills out the passed in
	// VkPhysicalDeviceFeatures struct.
	void setupDevice(GrVkExtensions&, VkPhysicalDeviceFeatures2&);

	// 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;
	}
	// NOLINTNEXTLINE(google-explicit-constructor)
	operator FNPTR_TYPE() const { return fPtr; }

	private:
	FNPTR_TYPE fPtr;
	};

	// Instance Functions
	VkPtr<PFN_vkEnumerateInstanceVersion> mEnumerateInstanceVersion;
	VkPtr<PFN_vkEnumerateInstanceExtensionProperties> mEnumerateInstanceExtensionProperties;
	VkPtr<PFN_vkCreateInstance> mCreateInstance;

	VkPtr<PFN_vkDestroyInstance> mDestroyInstance;
	VkPtr<PFN_vkEnumeratePhysicalDevices> mEnumeratePhysicalDevices;
	VkPtr<PFN_vkGetPhysicalDeviceProperties> mGetPhysicalDeviceProperties;
	VkPtr<PFN_vkGetPhysicalDeviceQueueFamilyProperties> mGetPhysicalDeviceQueueFamilyProperties;
	VkPtr<PFN_vkGetPhysicalDeviceFeatures2> mGetPhysicalDeviceFeatures2;
	VkPtr<PFN_vkGetPhysicalDeviceImageFormatProperties2> mGetPhysicalDeviceImageFormatProperties2;
	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_vkImportSemaphoreFdKHR> mImportSemaphoreFdKHR;
	VkPtr<PFN_vkGetSemaphoreFdKHR> mGetSemaphoreFdKHR;
	VkPtr<PFN_vkCreateFence> mCreateFence;
	VkPtr<PFN_vkDestroyFence> mDestroyFence;
	VkPtr<PFN_vkWaitForFences> mWaitForFences;
	VkPtr<PFN_vkResetFences> mResetFences;
	VkPtr<PFN_vkFrameBoundaryANDROID> mFrameBoundaryANDROID;

	VkInstance mInstance = VK_NULL_HANDLE;
	VkPhysicalDevice mPhysicalDevice = VK_NULL_HANDLE;
	VkDevice mDevice = VK_NULL_HANDLE;

	uint32_t mGraphicsQueueIndex;
	VkQueue mGraphicsQueue = VK_NULL_HANDLE;
	VkQueue mAHBUploadQueue = VK_NULL_HANDLE;

	// Variables saved to populate VkFunctorInitParams.
	static const uint32_t mAPIVersion = VK_MAKE_VERSION(1, 1, 0);
	std::vector<VkExtensionProperties> mInstanceExtensionsOwner;
	std::vector<const char*> mInstanceExtensions;
	std::vector<VkExtensionProperties> mDeviceExtensionsOwner;
	std::vector<const char*> mDeviceExtensions;
	VkPhysicalDeviceFeatures2 mPhysicalDeviceFeatures2{};

	enum class SwapBehavior {
	Discard,
	BufferAge,
	};
	SwapBehavior mSwapBehavior = SwapBehavior::Discard;
	GrVkExtensions mExtensions;
	uint32_t mDriverVersion = 0;

	std::once_flag mInitFlag;
	std::atomic_bool mInitialized = false;
	};

	} /* namespace renderthread */
	} /* namespace uirenderer */
	} /* namespace android */

	#endif /* VULKANMANAGER_H */