/*
* 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.
*/
#include "VulkanManager.h"
#include "DeviceInfo.h"
#include "Properties.h"
#include "RenderThread.h"
#include "renderstate/RenderState.h"
#include "utils/FatVector.h"
#include <GrBackendSurface.h>
#include <GrContext.h>
#include <GrTypes.h>
#include <vk/GrVkTypes.h>
namespace android {
namespace uirenderer {
namespace renderthread {
#define GET_PROC(F) m##F = (PFN_vk##F)vkGetInstanceProcAddr(instance, "vk" #F)
#define GET_DEV_PROC(F) m##F = (PFN_vk##F)vkGetDeviceProcAddr(device, "vk" #F)
VulkanManager::VulkanManager(RenderThread& thread) : mRenderThread(thread) {}
void VulkanManager::destroy() {
if (!hasVkContext()) return;
mRenderThread.renderState().onVkContextDestroyed();
mRenderThread.setGrContext(nullptr);
if (VK_NULL_HANDLE != mCommandPool) {
mDestroyCommandPool(mBackendContext->fDevice, mCommandPool, nullptr);
mCommandPool = VK_NULL_HANDLE;
}
mBackendContext.reset();
}
void VulkanManager::initialize() {
if (hasVkContext()) {
return;
}
auto canPresent = [](VkInstance, VkPhysicalDevice, uint32_t) { return true; };
mBackendContext.reset(GrVkBackendContext::Create(vkGetInstanceProcAddr, vkGetDeviceProcAddr,
&mPresentQueueIndex, canPresent));
LOG_ALWAYS_FATAL_IF(!mBackendContext.get());
// Get all the addresses of needed vulkan functions
VkInstance instance = mBackendContext->fInstance;
VkDevice device = mBackendContext->fDevice;
GET_PROC(CreateAndroidSurfaceKHR);
GET_PROC(DestroySurfaceKHR);
GET_PROC(GetPhysicalDeviceSurfaceSupportKHR);
GET_PROC(GetPhysicalDeviceSurfaceCapabilitiesKHR);
GET_PROC(GetPhysicalDeviceSurfaceFormatsKHR);
GET_PROC(GetPhysicalDeviceSurfacePresentModesKHR);
GET_DEV_PROC(CreateSwapchainKHR);
GET_DEV_PROC(DestroySwapchainKHR);
GET_DEV_PROC(GetSwapchainImagesKHR);
GET_DEV_PROC(AcquireNextImageKHR);
GET_DEV_PROC(QueuePresentKHR);
GET_DEV_PROC(CreateCommandPool);
GET_DEV_PROC(DestroyCommandPool);
GET_DEV_PROC(AllocateCommandBuffers);
GET_DEV_PROC(FreeCommandBuffers);
GET_DEV_PROC(ResetCommandBuffer);
GET_DEV_PROC(BeginCommandBuffer);
GET_DEV_PROC(EndCommandBuffer);
GET_DEV_PROC(CmdPipelineBarrier);
GET_DEV_PROC(GetDeviceQueue);
GET_DEV_PROC(QueueSubmit);
GET_DEV_PROC(QueueWaitIdle);
GET_DEV_PROC(DeviceWaitIdle);
GET_DEV_PROC(CreateSemaphore);
GET_DEV_PROC(DestroySemaphore);
GET_DEV_PROC(CreateFence);
GET_DEV_PROC(DestroyFence);
GET_DEV_PROC(WaitForFences);
GET_DEV_PROC(ResetFences);
// create the command pool for the command buffers
if (VK_NULL_HANDLE == mCommandPool) {
VkCommandPoolCreateInfo commandPoolInfo;
memset(&commandPoolInfo, 0, sizeof(VkCommandPoolCreateInfo));
commandPoolInfo.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
// this needs to be on the render queue
commandPoolInfo.queueFamilyIndex = mBackendContext->fGraphicsQueueIndex;
commandPoolInfo.flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT;
SkDEBUGCODE(VkResult res =) mCreateCommandPool(mBackendContext->fDevice, &commandPoolInfo,
nullptr, &mCommandPool);
SkASSERT(VK_SUCCESS == res);
}
mGetDeviceQueue(mBackendContext->fDevice, mPresentQueueIndex, 0, &mPresentQueue);
GrContextOptions options;
options.fDisableDistanceFieldPaths = true;
mRenderThread.cacheManager().configureContext(&options);
sk_sp<GrContext> grContext(GrContext::MakeVulkan(mBackendContext, options));
LOG_ALWAYS_FATAL_IF(!grContext.get());
mRenderThread.setGrContext(grContext);
DeviceInfo::initialize(mRenderThread.getGrContext()->caps()->maxRenderTargetSize());
if (Properties::enablePartialUpdates && Properties::useBufferAge) {
mSwapBehavior = SwapBehavior::BufferAge;
}
mRenderThread.renderState().onVkContextCreated();
}
// Returns the next BackbufferInfo to use for the next draw. The function will make sure all
// previous uses have finished before returning.
VulkanSurface::BackbufferInfo* VulkanManager::getAvailableBackbuffer(VulkanSurface* surface) {
SkASSERT(surface->mBackbuffers);
++surface->mCurrentBackbufferIndex;
if (surface->mCurrentBackbufferIndex > surface->mImageCount) {
surface->mCurrentBackbufferIndex = 0;
}
VulkanSurface::BackbufferInfo* backbuffer =
surface->mBackbuffers + surface->mCurrentBackbufferIndex;
// Before we reuse a backbuffer, make sure its fences have all signaled so that we can safely
// reuse its commands buffers.
VkResult res =
mWaitForFences(mBackendContext->fDevice, 2, backbuffer->mUsageFences, true, UINT64_MAX);
if (res != VK_SUCCESS) {
return nullptr;
}
return backbuffer;
}
SkSurface* VulkanManager::getBackbufferSurface(VulkanSurface* surface) {
VulkanSurface::BackbufferInfo* backbuffer = getAvailableBackbuffer(surface);
SkASSERT(backbuffer);
VkResult res;
res = mResetFences(mBackendContext->fDevice, 2, backbuffer->mUsageFences);
SkASSERT(VK_SUCCESS == res);
// The acquire will signal the attached mAcquireSemaphore. We use this to know the image has
// finished presenting and that it is safe to begin sending new commands to the returned image.
res = mAcquireNextImageKHR(mBackendContext->fDevice, surface->mSwapchain, UINT64_MAX,
backbuffer->mAcquireSemaphore, VK_NULL_HANDLE,
&backbuffer->mImageIndex);
if (VK_ERROR_SURFACE_LOST_KHR == res) {
// need to figure out how to create a new vkSurface without the platformData*
// maybe use attach somehow? but need a Window
return nullptr;
}
if (VK_ERROR_OUT_OF_DATE_KHR == res) {
// tear swapchain down and try again
if (!createSwapchain(surface)) {
return nullptr;
}
backbuffer = getAvailableBackbuffer(surface);
res = mResetFences(mBackendContext->fDevice, 2, backbuffer->mUsageFences);
SkASSERT(VK_SUCCESS == res);
// acquire the image
res = mAcquireNextImageKHR(mBackendContext->fDevice, surface->mSwapchain, UINT64_MAX,
backbuffer->mAcquireSemaphore, VK_NULL_HANDLE,
&backbuffer->mImageIndex);
if (VK_SUCCESS != res) {
return nullptr;
}
}
// set up layout transfer from initial to color attachment
VkImageLayout layout = surface->mImageInfos[backbuffer->mImageIndex].mImageLayout;
SkASSERT(VK_IMAGE_LAYOUT_UNDEFINED == layout || VK_IMAGE_LAYOUT_PRESENT_SRC_KHR == layout);
VkPipelineStageFlags srcStageMask = (VK_IMAGE_LAYOUT_UNDEFINED == layout)
? VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT
: VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
VkPipelineStageFlags dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
VkAccessFlags srcAccessMask =
(VK_IMAGE_LAYOUT_UNDEFINED == layout) ? 0 : VK_ACCESS_MEMORY_READ_BIT;
VkAccessFlags dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
VkImageMemoryBarrier imageMemoryBarrier = {
VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER, // sType
NULL, // pNext
srcAccessMask, // outputMask
dstAccessMask, // inputMask
layout, // oldLayout
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, // newLayout
mPresentQueueIndex, // srcQueueFamilyIndex
mBackendContext->fGraphicsQueueIndex, // dstQueueFamilyIndex
surface->mImages[backbuffer->mImageIndex], // image
{VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1} // subresourceRange
};
mResetCommandBuffer(backbuffer->mTransitionCmdBuffers[0], 0);
VkCommandBufferBeginInfo info;
memset(&info, 0, sizeof(VkCommandBufferBeginInfo));
info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
info.flags = 0;
mBeginCommandBuffer(backbuffer->mTransitionCmdBuffers[0], &info);
mCmdPipelineBarrier(backbuffer->mTransitionCmdBuffers[0], srcStageMask, dstStageMask, 0, 0,
nullptr, 0, nullptr, 1, &imageMemoryBarrier);
mEndCommandBuffer(backbuffer->mTransitionCmdBuffers[0]);
VkPipelineStageFlags waitDstStageFlags = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
// insert the layout transfer into the queue and wait on the acquire
VkSubmitInfo submitInfo;
memset(&submitInfo, 0, sizeof(VkSubmitInfo));
submitInfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
submitInfo.waitSemaphoreCount = 1;
// Wait to make sure aquire semaphore set above has signaled.
submitInfo.pWaitSemaphores = &backbuffer->mAcquireSemaphore;
submitInfo.pWaitDstStageMask = &waitDstStageFlags;
submitInfo.commandBufferCount = 1;
submitInfo.pCommandBuffers = &backbuffer->mTransitionCmdBuffers[0];
submitInfo.signalSemaphoreCount = 0;
// Attach first fence to submission here so we can track when the command buffer finishes.
mQueueSubmit(mBackendContext->fQueue, 1, &submitInfo, backbuffer->mUsageFences[0]);
// We need to notify Skia that we changed the layout of the wrapped VkImage
GrVkImageInfo* imageInfo;
sk_sp<SkSurface> skSurface = surface->mImageInfos[backbuffer->mImageIndex].mSurface;
skSurface->getRenderTargetHandle((GrBackendObject*)&imageInfo,
SkSurface::kFlushRead_BackendHandleAccess);
imageInfo->updateImageLayout(VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL);
surface->mBackbuffer = std::move(skSurface);
return surface->mBackbuffer.get();
}
void VulkanManager::destroyBuffers(VulkanSurface* surface) {
if (surface->mBackbuffers) {
for (uint32_t i = 0; i < surface->mImageCount + 1; ++i) {
mWaitForFences(mBackendContext->fDevice, 2, surface->mBackbuffers[i].mUsageFences, true,
UINT64_MAX);
surface->mBackbuffers[i].mImageIndex = -1;
mDestroySemaphore(mBackendContext->fDevice, surface->mBackbuffers[i].mAcquireSemaphore,
nullptr);
mDestroySemaphore(mBackendContext->fDevice, surface->mBackbuffers[i].mRenderSemaphore,
nullptr);
mFreeCommandBuffers(mBackendContext->fDevice, mCommandPool, 2,
surface->mBackbuffers[i].mTransitionCmdBuffers);
mDestroyFence(mBackendContext->fDevice, surface->mBackbuffers[i].mUsageFences[0], 0);
mDestroyFence(mBackendContext->fDevice, surface->mBackbuffers[i].mUsageFences[1], 0);
}
}
delete[] surface->mBackbuffers;
surface->mBackbuffers = nullptr;
delete[] surface->mImageInfos;
surface->mImageInfos = nullptr;
delete[] surface->mImages;
surface->mImages = nullptr;
}
void VulkanManager::destroySurface(VulkanSurface* surface) {
// Make sure all submit commands have finished before starting to destroy objects.
if (VK_NULL_HANDLE != mPresentQueue) {
mQueueWaitIdle(mPresentQueue);
}
mDeviceWaitIdle(mBackendContext->fDevice);
destroyBuffers(surface);
if (VK_NULL_HANDLE != surface->mSwapchain) {
mDestroySwapchainKHR(mBackendContext->fDevice, surface->mSwapchain, nullptr);
surface->mSwapchain = VK_NULL_HANDLE;
}
if (VK_NULL_HANDLE != surface->mVkSurface) {
mDestroySurfaceKHR(mBackendContext->fInstance, surface->mVkSurface, nullptr);
surface->mVkSurface = VK_NULL_HANDLE;
}
delete surface;
}
void VulkanManager::createBuffers(VulkanSurface* surface, VkFormat format, VkExtent2D extent) {
mGetSwapchainImagesKHR(mBackendContext->fDevice, surface->mSwapchain, &surface->mImageCount,
nullptr);
SkASSERT(surface->mImageCount);
surface->mImages = new VkImage[surface->mImageCount];
mGetSwapchainImagesKHR(mBackendContext->fDevice, surface->mSwapchain, &surface->mImageCount,
surface->mImages);
SkSurfaceProps props(0, kUnknown_SkPixelGeometry);
// set up initial image layouts and create surfaces
surface->mImageInfos = new VulkanSurface::ImageInfo[surface->mImageCount];
for (uint32_t i = 0; i < surface->mImageCount; ++i) {
GrVkImageInfo info;
info.fImage = surface->mImages[i];
info.fAlloc = GrVkAlloc();
info.fImageLayout = VK_IMAGE_LAYOUT_UNDEFINED;
info.fImageTiling = VK_IMAGE_TILING_OPTIMAL;
info.fFormat = format;
info.fLevelCount = 1;
GrBackendRenderTarget backendRT(extent.width, extent.height, 0, 0, info);
VulkanSurface::ImageInfo& imageInfo = surface->mImageInfos[i];
imageInfo.mSurface = SkSurface::MakeFromBackendRenderTarget(
mRenderThread.getGrContext(), backendRT, kTopLeft_GrSurfaceOrigin, nullptr, &props);
}
SkASSERT(mCommandPool != VK_NULL_HANDLE);
// set up the backbuffers
VkSemaphoreCreateInfo semaphoreInfo;
memset(&semaphoreInfo, 0, sizeof(VkSemaphoreCreateInfo));
semaphoreInfo.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO;
semaphoreInfo.pNext = nullptr;
semaphoreInfo.flags = 0;
VkCommandBufferAllocateInfo commandBuffersInfo;
memset(&commandBuffersInfo, 0, sizeof(VkCommandBufferAllocateInfo));
commandBuffersInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
commandBuffersInfo.pNext = nullptr;
commandBuffersInfo.commandPool = mCommandPool;
commandBuffersInfo.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
commandBuffersInfo.commandBufferCount = 2;
VkFenceCreateInfo fenceInfo;
memset(&fenceInfo, 0, sizeof(VkFenceCreateInfo));
fenceInfo.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO;
fenceInfo.pNext = nullptr;
fenceInfo.flags = VK_FENCE_CREATE_SIGNALED_BIT;
// we create one additional backbuffer structure here, because we want to
// give the command buffers they contain a chance to finish before we cycle back
surface->mBackbuffers = new VulkanSurface::BackbufferInfo[surface->mImageCount + 1];
for (uint32_t i = 0; i < surface->mImageCount + 1; ++i) {
SkDEBUGCODE(VkResult res);
surface->mBackbuffers[i].mImageIndex = -1;
SkDEBUGCODE(res =) mCreateSemaphore(mBackendContext->fDevice, &semaphoreInfo, nullptr,
&surface->mBackbuffers[i].mAcquireSemaphore);
SkDEBUGCODE(res =) mCreateSemaphore(mBackendContext->fDevice, &semaphoreInfo, nullptr,
&surface->mBackbuffers[i].mRenderSemaphore);
SkDEBUGCODE(res =) mAllocateCommandBuffers(mBackendContext->fDevice, &commandBuffersInfo,
surface->mBackbuffers[i].mTransitionCmdBuffers);
SkDEBUGCODE(res =) mCreateFence(mBackendContext->fDevice, &fenceInfo, nullptr,
&surface->mBackbuffers[i].mUsageFences[0]);
SkDEBUGCODE(res =) mCreateFence(mBackendContext->fDevice, &fenceInfo, nullptr,
&surface->mBackbuffers[i].mUsageFences[1]);
SkASSERT(VK_SUCCESS == res);
}
surface->mCurrentBackbufferIndex = surface->mImageCount;
}
bool VulkanManager::createSwapchain(VulkanSurface* surface) {
// check for capabilities
VkSurfaceCapabilitiesKHR caps;
VkResult res = mGetPhysicalDeviceSurfaceCapabilitiesKHR(mBackendContext->fPhysicalDevice,
surface->mVkSurface, &caps);
if (VK_SUCCESS != res) {
return false;
}
uint32_t surfaceFormatCount;
res = mGetPhysicalDeviceSurfaceFormatsKHR(mBackendContext->fPhysicalDevice, surface->mVkSurface,
&surfaceFormatCount, nullptr);
if (VK_SUCCESS != res) {
return false;
}
FatVector<VkSurfaceFormatKHR, 4> surfaceFormats(surfaceFormatCount);
res = mGetPhysicalDeviceSurfaceFormatsKHR(mBackendContext->fPhysicalDevice, surface->mVkSurface,
&surfaceFormatCount, surfaceFormats.data());
if (VK_SUCCESS != res) {
return false;
}
uint32_t presentModeCount;
res = mGetPhysicalDeviceSurfacePresentModesKHR(mBackendContext->fPhysicalDevice,
surface->mVkSurface, &presentModeCount, nullptr);
if (VK_SUCCESS != res) {
return false;
}
FatVector<VkPresentModeKHR, VK_PRESENT_MODE_RANGE_SIZE_KHR> presentModes(presentModeCount);
res = mGetPhysicalDeviceSurfacePresentModesKHR(mBackendContext->fPhysicalDevice,
surface->mVkSurface, &presentModeCount,
presentModes.data());
if (VK_SUCCESS != res) {
return false;
}
VkExtent2D extent = caps.currentExtent;
// clamp width; to handle currentExtent of -1 and protect us from broken hints
if (extent.width < caps.minImageExtent.width) {
extent.width = caps.minImageExtent.width;
}
SkASSERT(extent.width <= caps.maxImageExtent.width);
// clamp height
if (extent.height < caps.minImageExtent.height) {
extent.height = caps.minImageExtent.height;
}
SkASSERT(extent.height <= caps.maxImageExtent.height);
uint32_t imageCount = caps.minImageCount + 2;
if (caps.maxImageCount > 0 && imageCount > caps.maxImageCount) {
// Application must settle for fewer images than desired:
imageCount = caps.maxImageCount;
}
// Currently Skia requires the images to be color attchments and support all transfer
// operations.
VkImageUsageFlags usageFlags = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT |
VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
VK_IMAGE_USAGE_TRANSFER_DST_BIT;
SkASSERT((caps.supportedUsageFlags & usageFlags) == usageFlags);
SkASSERT(caps.supportedTransforms & caps.currentTransform);
SkASSERT(caps.supportedCompositeAlpha &
(VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR | VK_COMPOSITE_ALPHA_INHERIT_BIT_KHR));
VkCompositeAlphaFlagBitsKHR composite_alpha =
(caps.supportedCompositeAlpha & VK_COMPOSITE_ALPHA_INHERIT_BIT_KHR)
? VK_COMPOSITE_ALPHA_INHERIT_BIT_KHR
: VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
// Pick our surface format. For now, just make sure it matches our sRGB request:
VkFormat surfaceFormat = VK_FORMAT_UNDEFINED;
VkColorSpaceKHR colorSpace = VK_COLORSPACE_SRGB_NONLINEAR_KHR;
bool wantSRGB = false;
#ifdef ANDROID_ENABLE_LINEAR_BLENDING
wantSRGB = true;
#endif
for (uint32_t i = 0; i < surfaceFormatCount; ++i) {
// We are assuming we can get either R8G8B8A8_UNORM or R8G8B8A8_SRGB
VkFormat desiredFormat = wantSRGB ? VK_FORMAT_R8G8B8A8_SRGB : VK_FORMAT_R8G8B8A8_UNORM;
if (desiredFormat == surfaceFormats[i].format) {
surfaceFormat = surfaceFormats[i].format;
colorSpace = surfaceFormats[i].colorSpace;
}
}
if (VK_FORMAT_UNDEFINED == surfaceFormat) {
return false;
}
// If mailbox mode is available, use it, as it is the lowest-latency non-
// tearing mode. If not, fall back to FIFO which is always available.
VkPresentModeKHR mode = VK_PRESENT_MODE_FIFO_KHR;
for (uint32_t i = 0; i < presentModeCount; ++i) {
// use mailbox
if (VK_PRESENT_MODE_MAILBOX_KHR == presentModes[i]) {
mode = presentModes[i];
break;
}
}
VkSwapchainCreateInfoKHR swapchainCreateInfo;
memset(&swapchainCreateInfo, 0, sizeof(VkSwapchainCreateInfoKHR));
swapchainCreateInfo.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
swapchainCreateInfo.surface = surface->mVkSurface;
swapchainCreateInfo.minImageCount = imageCount;
swapchainCreateInfo.imageFormat = surfaceFormat;
swapchainCreateInfo.imageColorSpace = colorSpace;
swapchainCreateInfo.imageExtent = extent;
swapchainCreateInfo.imageArrayLayers = 1;
swapchainCreateInfo.imageUsage = usageFlags;
uint32_t queueFamilies[] = {mBackendContext->fGraphicsQueueIndex, mPresentQueueIndex};
if (mBackendContext->fGraphicsQueueIndex != mPresentQueueIndex) {
swapchainCreateInfo.imageSharingMode = VK_SHARING_MODE_CONCURRENT;
swapchainCreateInfo.queueFamilyIndexCount = 2;
swapchainCreateInfo.pQueueFamilyIndices = queueFamilies;
} else {
swapchainCreateInfo.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
swapchainCreateInfo.queueFamilyIndexCount = 0;
swapchainCreateInfo.pQueueFamilyIndices = nullptr;
}
swapchainCreateInfo.preTransform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
swapchainCreateInfo.compositeAlpha = composite_alpha;
swapchainCreateInfo.presentMode = mode;
swapchainCreateInfo.clipped = true;
swapchainCreateInfo.oldSwapchain = surface->mSwapchain;
res = mCreateSwapchainKHR(mBackendContext->fDevice, &swapchainCreateInfo, nullptr,
&surface->mSwapchain);
if (VK_SUCCESS != res) {
return false;
}
// destroy the old swapchain
if (swapchainCreateInfo.oldSwapchain != VK_NULL_HANDLE) {
mDeviceWaitIdle(mBackendContext->fDevice);
destroyBuffers(surface);
mDestroySwapchainKHR(mBackendContext->fDevice, swapchainCreateInfo.oldSwapchain, nullptr);
}
createBuffers(surface, surfaceFormat, extent);
return true;
}
VulkanSurface* VulkanManager::createSurface(ANativeWindow* window) {
initialize();
if (!window) {
return nullptr;
}
VulkanSurface* surface = new VulkanSurface();
VkAndroidSurfaceCreateInfoKHR surfaceCreateInfo;
memset(&surfaceCreateInfo, 0, sizeof(VkAndroidSurfaceCreateInfoKHR));
surfaceCreateInfo.sType = VK_STRUCTURE_TYPE_ANDROID_SURFACE_CREATE_INFO_KHR;
surfaceCreateInfo.pNext = nullptr;
surfaceCreateInfo.flags = 0;
surfaceCreateInfo.window = window;
VkResult res = mCreateAndroidSurfaceKHR(mBackendContext->fInstance, &surfaceCreateInfo, nullptr,
&surface->mVkSurface);
if (VK_SUCCESS != res) {
delete surface;
return nullptr;
}
SkDEBUGCODE(VkBool32 supported; res = mGetPhysicalDeviceSurfaceSupportKHR(
mBackendContext->fPhysicalDevice, mPresentQueueIndex,
surface->mVkSurface, &supported);
// All physical devices and queue families on Android must be capable of
// presentation with any
// native window.
SkASSERT(VK_SUCCESS == res && supported););
if (!createSwapchain(surface)) {
destroySurface(surface);
return nullptr;
}
return surface;
}
// Helper to know which src stage flags we need to set when transitioning to the present layout
static VkPipelineStageFlags layoutToPipelineStageFlags(const VkImageLayout layout) {
if (VK_IMAGE_LAYOUT_GENERAL == layout) {
return VK_PIPELINE_STAGE_ALL_COMMANDS_BIT;
} else if (VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL == layout ||
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL == layout) {
return VK_PIPELINE_STAGE_TRANSFER_BIT;
} else if (VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL == layout ||
VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL == layout ||
VK_IMAGE_LAYOUT_DEPTH_STENCIL_READ_ONLY_OPTIMAL == layout ||
VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL == layout) {
return VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT;
} else if (VK_IMAGE_LAYOUT_PREINITIALIZED == layout) {
return VK_PIPELINE_STAGE_HOST_BIT;
}
SkASSERT(VK_IMAGE_LAYOUT_UNDEFINED == layout);
return VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
}
// Helper to know which src access mask we need to set when transitioning to the present layout
static VkAccessFlags layoutToSrcAccessMask(const VkImageLayout layout) {
VkAccessFlags flags = 0;
if (VK_IMAGE_LAYOUT_GENERAL == layout) {
flags = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT |
VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT | VK_ACCESS_TRANSFER_WRITE_BIT |
VK_ACCESS_TRANSFER_READ_BIT | VK_ACCESS_SHADER_READ_BIT | VK_ACCESS_HOST_WRITE_BIT |
VK_ACCESS_HOST_READ_BIT;
} else if (VK_IMAGE_LAYOUT_PREINITIALIZED == layout) {
flags = VK_ACCESS_HOST_WRITE_BIT;
} else if (VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL == layout) {
flags = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
} else if (VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL == layout) {
flags = VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT;
} else if (VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL == layout) {
flags = VK_ACCESS_TRANSFER_WRITE_BIT;
} else if (VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL == layout) {
flags = VK_ACCESS_TRANSFER_READ_BIT;
} else if (VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL == layout) {
flags = VK_ACCESS_SHADER_READ_BIT;
}
return flags;
}
void VulkanManager::swapBuffers(VulkanSurface* surface) {
if (CC_UNLIKELY(Properties::waitForGpuCompletion)) {
ATRACE_NAME("Finishing GPU work");
mDeviceWaitIdle(mBackendContext->fDevice);
}
SkASSERT(surface->mBackbuffers);
VulkanSurface::BackbufferInfo* backbuffer =
surface->mBackbuffers + surface->mCurrentBackbufferIndex;
GrVkImageInfo* imageInfo;
SkSurface* skSurface = surface->mImageInfos[backbuffer->mImageIndex].mSurface.get();
skSurface->getRenderTargetHandle((GrBackendObject*)&imageInfo,
SkSurface::kFlushRead_BackendHandleAccess);
// Check to make sure we never change the actually wrapped image
SkASSERT(imageInfo->fImage == surface->mImages[backbuffer->mImageIndex]);
// We need to transition the image to VK_IMAGE_LAYOUT_PRESENT_SRC_KHR and make sure that all
// previous work is complete for before presenting. So we first add the necessary barrier here.
VkImageLayout layout = imageInfo->fImageLayout;
VkPipelineStageFlags srcStageMask = layoutToPipelineStageFlags(layout);
VkPipelineStageFlags dstStageMask = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT;
VkAccessFlags srcAccessMask = layoutToSrcAccessMask(layout);
VkAccessFlags dstAccessMask = VK_ACCESS_MEMORY_READ_BIT;
VkImageMemoryBarrier imageMemoryBarrier = {
VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER, // sType
NULL, // pNext
srcAccessMask, // outputMask
dstAccessMask, // inputMask
layout, // oldLayout
VK_IMAGE_LAYOUT_PRESENT_SRC_KHR, // newLayout
mBackendContext->fGraphicsQueueIndex, // srcQueueFamilyIndex
mPresentQueueIndex, // dstQueueFamilyIndex
surface->mImages[backbuffer->mImageIndex], // image
{VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1} // subresourceRange
};
mResetCommandBuffer(backbuffer->mTransitionCmdBuffers[1], 0);
VkCommandBufferBeginInfo info;
memset(&info, 0, sizeof(VkCommandBufferBeginInfo));
info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
info.flags = 0;
mBeginCommandBuffer(backbuffer->mTransitionCmdBuffers[1], &info);
mCmdPipelineBarrier(backbuffer->mTransitionCmdBuffers[1], srcStageMask, dstStageMask, 0, 0,
nullptr, 0, nullptr, 1, &imageMemoryBarrier);
mEndCommandBuffer(backbuffer->mTransitionCmdBuffers[1]);
surface->mImageInfos[backbuffer->mImageIndex].mImageLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;
// insert the layout transfer into the queue and wait on the acquire
VkSubmitInfo submitInfo;
memset(&submitInfo, 0, sizeof(VkSubmitInfo));
submitInfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
submitInfo.waitSemaphoreCount = 0;
submitInfo.pWaitDstStageMask = 0;
submitInfo.commandBufferCount = 1;
submitInfo.pCommandBuffers = &backbuffer->mTransitionCmdBuffers[1];
submitInfo.signalSemaphoreCount = 1;
// When this command buffer finishes we will signal this semaphore so that we know it is now
// safe to present the image to the screen.
submitInfo.pSignalSemaphores = &backbuffer->mRenderSemaphore;
// Attach second fence to submission here so we can track when the command buffer finishes.
mQueueSubmit(mBackendContext->fQueue, 1, &submitInfo, backbuffer->mUsageFences[1]);
// Submit present operation to present queue. We use a semaphore here to make sure all rendering
// to the image is complete and that the layout has been change to present on the graphics
// queue.
const VkPresentInfoKHR presentInfo = {
VK_STRUCTURE_TYPE_PRESENT_INFO_KHR, // sType
NULL, // pNext
1, // waitSemaphoreCount
&backbuffer->mRenderSemaphore, // pWaitSemaphores
1, // swapchainCount
&surface->mSwapchain, // pSwapchains
&backbuffer->mImageIndex, // pImageIndices
NULL // pResults
};
mQueuePresentKHR(mPresentQueue, &presentInfo);
surface->mBackbuffer.reset();
surface->mImageInfos[backbuffer->mImageIndex].mLastUsed = surface->mCurrentTime;
surface->mImageInfos[backbuffer->mImageIndex].mInvalid = false;
surface->mCurrentTime++;
}
int VulkanManager::getAge(VulkanSurface* surface) {
SkASSERT(surface->mBackbuffers);
VulkanSurface::BackbufferInfo* backbuffer =
surface->mBackbuffers + surface->mCurrentBackbufferIndex;
if (mSwapBehavior == SwapBehavior::Discard ||
surface->mImageInfos[backbuffer->mImageIndex].mInvalid) {
return 0;
}
uint16_t lastUsed = surface->mImageInfos[backbuffer->mImageIndex].mLastUsed;
return surface->mCurrentTime - lastUsed;
}
} /* namespace renderthread */
} /* namespace uirenderer */
} /* namespace android */