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android_frameworks_base/libs/hwui/renderthread/VulkanManager.cpp
Greg Daniel 4f70887d34 Have Skia Vulkan backend support wait-for-gpu flag on tests 
So trying to mimic what the EglManager does in the fence call.
Technically there are two logical queues I could wait on for the device,
the graphics queue and the present queue. Waiting on the device waits
for both these queues to finish. It wasn't obvious to me if the EGL was
waiting for just graphics work or both queues, so I went for both (by
waiting on device). However, so far every device we've seen in Vulkan
has the present and graphics queue combined on the physical device so
waiting for one or both should really be different.

Test: Manual ran macrobench in skiavk and more realistic values compared
to not waiting for gpu.

Change-Id: I17cde70c677a9ad1b6bf9bc9ca4fd5f8f3b807e3
2017-02-03 10:28:52 -05:00

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/*
* 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 <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(&mPresentQueueIndex, canPresent));
// 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);
mRenderThread.setGrContext(GrContext::Create(kVulkan_GrBackend,
(GrBackendContext) mBackendContext.get()));
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);
bool wantSRGB = VK_FORMAT_R8G8B8A8_SRGB == format;
GrPixelConfig config = wantSRGB ? kSRGBA_8888_GrPixelConfig : kRGBA_8888_GrPixelConfig;
// set up initial image layouts and create surfaces
surface->mImageInfos = new VulkanSurface::ImageInfo[surface->mImageCount];
for (uint32_t i = 0; i < surface->mImageCount; ++i) {
GrBackendRenderTargetDesc desc;
GrVkImageInfo info;
info.fImage = surface->mImages[i];
info.fAlloc = { VK_NULL_HANDLE, 0, 0, 0 };
info.fImageLayout = VK_IMAGE_LAYOUT_UNDEFINED;
info.fImageTiling = VK_IMAGE_TILING_OPTIMAL;
info.fFormat = format;
info.fLevelCount = 1;
desc.fWidth = extent.width;
desc.fHeight = extent.height;
desc.fConfig = config;
desc.fOrigin = kTopLeft_GrSurfaceOrigin;
desc.fSampleCnt = 0;
desc.fStencilBits = 0;
desc.fRenderTargetHandle = (GrBackendObject) &info;
VulkanSurface::ImageInfo& imageInfo = surface->mImageInfos[i];
imageInfo.mSurface = SkSurface::MakeFromBackendRenderTarget(mRenderThread.getGrContext(),
desc, &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);
}
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) {
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 */
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