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/*
* Copyright 2015 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.
*/
// #define LOG_NDEBUG 0
#include <algorithm>
#include <memory>
#include <gui/BufferQueue.h>
#include <log/log.h>
#include <sync/sync.h>
#include "loader.h"
using namespace vulkan;
// TODO(jessehall): Currently we don't have a good error code for when a native
// window operation fails. Just returning INITIALIZATION_FAILED for now. Later
// versions (post SDK 0.9) of the API/extension have a better error code.
// When updating to that version, audit all error returns.
namespace {
// ----------------------------------------------------------------------------
// These functions/classes form an adaptor that allows objects to be refcounted
// by both android::sp<> and std::shared_ptr<> simultaneously, and delegates
// allocation of the shared_ptr<> control structure to VkAllocCallbacks. The
// platform holds a reference to the ANativeWindow using its embedded reference
// count, and the ANativeWindow implementation holds references to the
// ANativeWindowBuffers using their embedded reference counts, so the
// shared_ptr *must* cooperate with these and hold at least one reference to
// the object using the embedded reference count.
template <typename T>
struct NativeBaseDeleter {
void operator()(T* obj) { obj->common.decRef(&obj->common); }
};
template <typename T>
class VulkanAllocator {
public:
typedef T value_type;
explicit VulkanAllocator(VkDevice device) : device_(device) {}
template <typename U>
explicit VulkanAllocator(const VulkanAllocator<U>& other)
: device_(other.device_) {}
T* allocate(size_t n) const {
return static_cast<T*>(AllocDeviceMem(
device_, n * sizeof(T), alignof(T), VK_SYSTEM_ALLOC_TYPE_INTERNAL));
}
void deallocate(T* p, size_t) const { return FreeDeviceMem(device_, p); }
private:
template <typename U>
friend class VulkanAllocator;
VkDevice device_;
};
template <typename T>
std::shared_ptr<T> InitSharedPtr(VkDevice device, T* obj) {
obj->common.incRef(&obj->common);
return std::shared_ptr<T>(obj, NativeBaseDeleter<T>(),
VulkanAllocator<T>(device));
}
// ----------------------------------------------------------------------------
struct Swapchain {
Swapchain(std::shared_ptr<ANativeWindow> window_, uint32_t num_images_)
: window(window_), num_images(num_images_) {}
std::shared_ptr<ANativeWindow> window;
uint32_t num_images;
struct Image {
Image() : image(VK_NULL_HANDLE), dequeue_fence(-1), dequeued(false) {}
VkImage image;
std::shared_ptr<ANativeWindowBuffer> buffer;
// The fence is only valid when the buffer is dequeued, and should be
// -1 any other time. When valid, we own the fd, and must ensure it is
// closed: either by closing it explicitly when queueing the buffer,
// or by passing ownership e.g. to ANativeWindow::cancelBuffer().
int dequeue_fence;
bool dequeued;
} images[android::BufferQueue::NUM_BUFFER_SLOTS];
};
VkSwapchainKHR HandleFromSwapchain(Swapchain* swapchain) {
return VkSwapchainKHR(reinterpret_cast<uint64_t>(swapchain));
}
Swapchain* SwapchainFromHandle(VkSwapchainKHR handle) {
return reinterpret_cast<Swapchain*>(handle.handle);
}
} // anonymous namespace
namespace vulkan {
VkResult GetPhysicalDeviceSurfaceSupportKHR(
VkPhysicalDevice /*pdev*/,
uint32_t /*queue_family*/,
const VkSurfaceDescriptionKHR* surface_desc,
VkBool32* supported) {
// TODO(jessehall): Fix the header, preferrably upstream, so values added to
// existing enums don't trigger warnings like this.
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wold-style-cast"
#pragma clang diagnostic ignored "-Wsign-conversion"
ALOGE_IF(
surface_desc->sType != VK_STRUCTURE_TYPE_SURFACE_DESCRIPTION_WINDOW_KHR,
"vkGetPhysicalDeviceSurfaceSupportKHR: pSurfaceDescription->sType=%#x "
"not supported",
surface_desc->sType);
#pragma clang diagnostic pop
const VkSurfaceDescriptionWindowKHR* window_desc =
reinterpret_cast<const VkSurfaceDescriptionWindowKHR*>(surface_desc);
// TODO(jessehall): Also check whether the physical device exports the
// VK_EXT_ANDROID_native_buffer extension. For now, assume it does.
*supported = (window_desc->platform == VK_PLATFORM_ANDROID_KHR &&
!window_desc->pPlatformHandle &&
static_cast<ANativeWindow*>(window_desc->pPlatformWindow)
->common.magic == ANDROID_NATIVE_WINDOW_MAGIC);
return VK_SUCCESS;
}
VkResult GetSurfacePropertiesKHR(VkDevice /*device*/,
const VkSurfaceDescriptionKHR* surface_desc,
VkSurfacePropertiesKHR* properties) {
const VkSurfaceDescriptionWindowKHR* window_desc =
reinterpret_cast<const VkSurfaceDescriptionWindowKHR*>(surface_desc);
ANativeWindow* window =
static_cast<ANativeWindow*>(window_desc->pPlatformWindow);
int err;
// TODO(jessehall): Currently the window must be connected for several
// queries -- including default dimensions -- to work, since Surface caches
// the queried values at connect() and queueBuffer(), and query() returns
// those cached values.
//
// The proposed refactoring to create a VkSurface object (bug 14596) will
// give us a place to connect once per window. If that doesn't end up
// happening, we'll probably need to maintain an internal list of windows
// that have swapchains created for them, search that list here, and
// only temporarily connect if the window doesn't have a swapchain.
bool disconnect = true;
err = native_window_api_connect(window, NATIVE_WINDOW_API_EGL);
if (err == -EINVAL) {
// This is returned if the window is already connected, among other
// things. We'll just assume we're already connected and charge ahead.
// See TODO above, this is not cool.
ALOGW(
"vkGetSurfacePropertiesKHR: native_window_api_connect returned "
"-EINVAL, assuming already connected");
err = 0;
disconnect = false;
} else if (err != 0) {
// TODO(jessehall): Improve error reporting. Can we enumerate possible
// errors and translate them to valid Vulkan result codes?
return VK_ERROR_INITIALIZATION_FAILED;
}
int width, height;
err = window->query(window, NATIVE_WINDOW_DEFAULT_WIDTH, &width);
if (err != 0) {
ALOGE("NATIVE_WINDOW_DEFAULT_WIDTH query failed: %s (%d)",
strerror(-err), err);
if (disconnect)
native_window_api_disconnect(window, NATIVE_WINDOW_API_EGL);
return VK_ERROR_INITIALIZATION_FAILED;
}
err = window->query(window, NATIVE_WINDOW_DEFAULT_HEIGHT, &height);
if (err != 0) {
ALOGE("NATIVE_WINDOW_DEFAULT_WIDTH query failed: %s (%d)",
strerror(-err), err);
if (disconnect)
native_window_api_disconnect(window, NATIVE_WINDOW_API_EGL);
return VK_ERROR_INITIALIZATION_FAILED;
}
if (disconnect)
native_window_api_disconnect(window, NATIVE_WINDOW_API_EGL);
properties->currentExtent = VkExtent2D{width, height};
// TODO(jessehall): Figure out what the min/max values should be.
properties->minImageCount = 2;
properties->maxImageCount = 3;
// TODO(jessehall): Figure out what the max extent should be. Maximum
// texture dimension maybe?
properties->minImageExtent = VkExtent2D{1, 1};
properties->maxImageExtent = VkExtent2D{4096, 4096};
// TODO(jessehall): We can support all transforms, fix this once
// implemented.
properties->supportedTransforms = VK_SURFACE_TRANSFORM_NONE_BIT_KHR;
// TODO(jessehall): Implement based on NATIVE_WINDOW_TRANSFORM_HINT.
properties->currentTransform = VK_SURFACE_TRANSFORM_NONE_KHR;
properties->maxImageArraySize = 1;
// TODO(jessehall): I think these are right, but haven't thought hard about
// it. Do we need to query the driver for support of any of these?
// Currently not included:
// - VK_IMAGE_USAGE_GENERAL: maybe? does this imply cpu mappable?
// - VK_IMAGE_USAGE_DEPTH_STENCIL_BIT: definitely not
// - VK_IMAGE_USAGE_TRANSIENT_ATTACHMENT_BIT: definitely not
properties->supportedUsageFlags =
VK_IMAGE_USAGE_TRANSFER_SOURCE_BIT |
VK_IMAGE_USAGE_TRANSFER_DESTINATION_BIT | VK_IMAGE_USAGE_SAMPLED_BIT |
VK_IMAGE_USAGE_STORAGE_BIT | VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT |
VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT;
return VK_SUCCESS;
}
VkResult GetSurfaceFormatsKHR(VkDevice /*device*/,
const VkSurfaceDescriptionKHR* /*surface_desc*/,
uint32_t* count,
VkSurfaceFormatKHR* formats) {
// TODO(jessehall): Fill out the set of supported formats. Open question
// whether we should query the driver for support -- how does it know what
// the consumer can support? Should we support formats that don't
// correspond to gralloc formats?
const VkSurfaceFormatKHR kFormats[] = {
{VK_FORMAT_R8G8B8A8_UNORM, VK_COLORSPACE_SRGB_NONLINEAR_KHR},
{VK_FORMAT_R8G8B8A8_SRGB, VK_COLORSPACE_SRGB_NONLINEAR_KHR},
};
const uint32_t kNumFormats = sizeof(kFormats) / sizeof(kFormats[0]);
VkResult result = VK_SUCCESS;
if (formats) {
if (*count < kNumFormats)
result = VK_INCOMPLETE;
std::copy(kFormats, kFormats + std::min(*count, kNumFormats), formats);
}
*count = kNumFormats;
return result;
}
VkResult GetSurfacePresentModesKHR(
VkDevice /*device*/,
const VkSurfaceDescriptionKHR* /*surface_desc*/,
uint32_t* count,
VkPresentModeKHR* modes) {
const VkPresentModeKHR kModes[] = {
VK_PRESENT_MODE_MAILBOX_KHR, VK_PRESENT_MODE_FIFO_KHR,
};
const uint32_t kNumModes = sizeof(kModes) / sizeof(kModes[0]);
VkResult result = VK_SUCCESS;
if (modes) {
if (*count < kNumModes)
result = VK_INCOMPLETE;
std::copy(kModes, kModes + std::min(*count, kNumModes), modes);
}
*count = kNumModes;
return result;
}
VkResult CreateSwapchainKHR(VkDevice device,
const VkSwapchainCreateInfoKHR* create_info,
VkSwapchainKHR* swapchain_handle) {
int err;
VkResult result = VK_SUCCESS;
ALOGV_IF(create_info->imageArraySize != 1,
"Swapchain imageArraySize (%u) != 1 not supported",
create_info->imageArraySize);
ALOGE_IF(create_info->imageFormat != VK_FORMAT_R8G8B8A8_UNORM,
"swapchain formats other than R8G8B8A8_UNORM not yet implemented");
ALOGE_IF(create_info->imageColorSpace != VK_COLORSPACE_SRGB_NONLINEAR_KHR,
"color spaces other than SRGB_NONLINEAR not yet implemented");
ALOGE_IF(create_info->oldSwapchain,
"swapchain re-creation not yet implemented");
ALOGE_IF(create_info->preTransform != VK_SURFACE_TRANSFORM_NONE_KHR,
"swapchain preTransform not yet implemented");
ALOGE_IF(create_info->presentMode != VK_PRESENT_MODE_FIFO_KHR,
"present modes other than FIFO are not yet implemented");
// -- Configure the native window --
// Failure paths from here on need to disconnect the window.
std::shared_ptr<ANativeWindow> window = InitSharedPtr(
device, static_cast<ANativeWindow*>(
reinterpret_cast<const VkSurfaceDescriptionWindowKHR*>(
create_info->pSurfaceDescription)
->pPlatformWindow));
// TODO(jessehall): Create and use NATIVE_WINDOW_API_VULKAN.
err = native_window_api_connect(window.get(), NATIVE_WINDOW_API_EGL);
if (err != 0) {
// TODO(jessehall): Improve error reporting. Can we enumerate possible
// errors and translate them to valid Vulkan result codes?
ALOGE("native_window_api_connect() failed: %s (%d)", strerror(-err),
err);
return VK_ERROR_INITIALIZATION_FAILED;
}
err = native_window_set_buffers_dimensions(window.get(),
create_info->imageExtent.width,
create_info->imageExtent.height);
if (err != 0) {
// TODO(jessehall): Improve error reporting. Can we enumerate possible
// errors and translate them to valid Vulkan result codes?
ALOGE("native_window_set_buffers_dimensions(%d,%d) failed: %s (%d)",
create_info->imageExtent.width, create_info->imageExtent.height,
strerror(-err), err);
native_window_api_disconnect(window.get(), NATIVE_WINDOW_API_EGL);
return VK_ERROR_INITIALIZATION_FAILED;
}
err = native_window_set_scaling_mode(
window.get(), NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW);
if (err != 0) {
// TODO(jessehall): Improve error reporting. Can we enumerate possible
// errors and translate them to valid Vulkan result codes?
ALOGE("native_window_set_scaling_mode(SCALE_TO_WINDOW) failed: %s (%d)",
strerror(-err), err);
native_window_api_disconnect(window.get(), NATIVE_WINDOW_API_EGL);
return VK_ERROR_INITIALIZATION_FAILED;
}
uint32_t min_undequeued_buffers;
err = window->query(window.get(), NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS,
reinterpret_cast<int*>(&min_undequeued_buffers));
if (err != 0) {
// TODO(jessehall): Improve error reporting. Can we enumerate possible
// errors and translate them to valid Vulkan result codes?
ALOGE("window->query failed: %s (%d)", strerror(-err), err);
native_window_api_disconnect(window.get(), NATIVE_WINDOW_API_EGL);
return VK_ERROR_INITIALIZATION_FAILED;
}
uint32_t num_images =
(create_info->minImageCount - 1) + min_undequeued_buffers;
err = native_window_set_buffer_count(window.get(), num_images);
if (err != 0) {
// TODO(jessehall): Improve error reporting. Can we enumerate possible
// errors and translate them to valid Vulkan result codes?
ALOGE("native_window_set_buffer_count failed: %s (%d)", strerror(-err),
err);
native_window_api_disconnect(window.get(), NATIVE_WINDOW_API_EGL);
return VK_ERROR_INITIALIZATION_FAILED;
}
// TODO(jessehall): Do we need to call modify native_window_set_usage()
// based on create_info->imageUsageFlags?
// -- Allocate our Swapchain object --
// After this point, we must deallocate the swapchain on error.
void* mem = AllocDeviceMem(device, sizeof(Swapchain), alignof(Swapchain),
VK_SYSTEM_ALLOC_TYPE_API_OBJECT);
if (!mem) {
native_window_api_disconnect(window.get(), NATIVE_WINDOW_API_EGL);
return VK_ERROR_OUT_OF_HOST_MEMORY;
}
Swapchain* swapchain = new (mem) Swapchain(window, num_images);
// -- Dequeue all buffers and create a VkImage for each --
// Any failures during or after this must cancel the dequeued buffers.
VkNativeBufferANDROID image_native_buffer = {
// TODO(jessehall): Figure out how to make extension headers not horrible.
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wold-style-cast"
.sType = VK_STRUCTURE_TYPE_NATIVE_BUFFER_ANDROID,
#pragma clang diagnostic pop
.pNext = nullptr,
};
VkImageCreateInfo image_create = {
.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
.pNext = &image_native_buffer,
.imageType = VK_IMAGE_TYPE_2D,
.format = VK_FORMAT_R8G8B8A8_UNORM, // TODO(jessehall)
.extent = {0, 0, 1},
.mipLevels = 1,
.arraySize = 1,
.samples = 1,
.tiling = VK_IMAGE_TILING_OPTIMAL,
.usage = create_info->imageUsageFlags,
.flags = 0,
.sharingMode = create_info->sharingMode,
.queueFamilyCount = create_info->queueFamilyCount,
.pQueueFamilyIndices = create_info->pQueueFamilyIndices,
};
const DeviceVtbl& driver_vtbl = GetDriverVtbl(device);
for (uint32_t i = 0; i < num_images; i++) {
Swapchain::Image& img = swapchain->images[i];
ANativeWindowBuffer* buffer;
err = window->dequeueBuffer(window.get(), &buffer, &img.dequeue_fence);
if (err != 0) {
// TODO(jessehall): Improve error reporting. Can we enumerate
// possible errors and translate them to valid Vulkan result codes?
ALOGE("dequeueBuffer[%u] failed: %s (%d)", i, strerror(-err), err);
result = VK_ERROR_INITIALIZATION_FAILED;
break;
}
img.buffer = InitSharedPtr(device, buffer);
img.dequeued = true;
image_create.extent =
VkExtent3D{img.buffer->width, img.buffer->height, 1};
image_native_buffer.handle = img.buffer->handle;
image_native_buffer.stride = img.buffer->stride;
image_native_buffer.format = img.buffer->format;
image_native_buffer.usage = img.buffer->usage;
result = driver_vtbl.CreateImage(device, &image_create, &img.image);
if (result != VK_SUCCESS) {
ALOGD("vkCreateImage w/ native buffer failed: %u", result);
break;
}
}
// -- Cancel all buffers, returning them to the queue --
// If an error occurred before, also destroy the VkImage and release the
// buffer reference. Otherwise, we retain a strong reference to the buffer.
//
// TODO(jessehall): The error path here is the same as DestroySwapchain,
// but not the non-error path. Should refactor/unify.
for (uint32_t i = 0; i < num_images; i++) {
Swapchain::Image& img = swapchain->images[i];
if (img.dequeued) {
window->cancelBuffer(window.get(), img.buffer.get(),
img.dequeue_fence);
img.dequeue_fence = -1;
img.dequeued = false;
}
if (result != VK_SUCCESS) {
if (img.image)
driver_vtbl.DestroyImage(device, img.image);
}
}
if (result != VK_SUCCESS) {
native_window_api_disconnect(window.get(), NATIVE_WINDOW_API_EGL);
swapchain->~Swapchain();
FreeDeviceMem(device, swapchain);
return result;
}
*swapchain_handle = HandleFromSwapchain(swapchain);
return VK_SUCCESS;
}
VkResult DestroySwapchainKHR(VkDevice device, VkSwapchainKHR swapchain_handle) {
const DeviceVtbl& driver_vtbl = GetDriverVtbl(device);
Swapchain* swapchain = SwapchainFromHandle(swapchain_handle);
const std::shared_ptr<ANativeWindow>& window = swapchain->window;
for (uint32_t i = 0; i < swapchain->num_images; i++) {
Swapchain::Image& img = swapchain->images[i];
if (img.dequeued) {
window->cancelBuffer(window.get(), img.buffer.get(),
img.dequeue_fence);
img.dequeue_fence = -1;
img.dequeued = false;
}
if (img.image) {
driver_vtbl.DestroyImage(device, img.image);
}
}
native_window_api_disconnect(window.get(), NATIVE_WINDOW_API_EGL);
swapchain->~Swapchain();
FreeDeviceMem(device, swapchain);
return VK_SUCCESS;
}
VkResult GetSwapchainImagesKHR(VkDevice,
VkSwapchainKHR swapchain_handle,
uint32_t* count,
VkImage* images) {
Swapchain& swapchain = *SwapchainFromHandle(swapchain_handle);
VkResult result = VK_SUCCESS;
if (images) {
uint32_t n = swapchain.num_images;
if (*count < swapchain.num_images) {
n = *count;
result = VK_INCOMPLETE;
}
for (uint32_t i = 0; i < n; i++)
images[i] = swapchain.images[i].image;
}
*count = swapchain.num_images;
return result;
}
VkResult AcquireNextImageKHR(VkDevice device,
VkSwapchainKHR swapchain_handle,
uint64_t timeout,
VkSemaphore semaphore,
uint32_t* image_index) {
Swapchain& swapchain = *SwapchainFromHandle(swapchain_handle);
VkResult result;
int err;
ALOGW_IF(
timeout != UINT64_MAX,
"vkAcquireNextImageKHR: non-infinite timeouts not yet implemented");
ANativeWindowBuffer* buffer;
int fence;
err = swapchain.window->dequeueBuffer(swapchain.window.get(), &buffer,
&fence);
if (err != 0) {
// TODO(jessehall): Improve error reporting. Can we enumerate possible
// errors and translate them to valid Vulkan result codes?
ALOGE("dequeueBuffer failed: %s (%d)", strerror(-err), err);
return VK_ERROR_INITIALIZATION_FAILED;
}
uint32_t idx;
for (idx = 0; idx < swapchain.num_images; idx++) {
if (swapchain.images[idx].buffer.get() == buffer) {
swapchain.images[idx].dequeued = true;
swapchain.images[idx].dequeue_fence = fence;
break;
}
}
if (idx == swapchain.num_images) {
ALOGE("dequeueBuffer returned unrecognized buffer");
swapchain.window->cancelBuffer(swapchain.window.get(), buffer, fence);
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wold-style-cast"
return VK_ERROR_OUT_OF_DATE_KHR;
#pragma clang diagnostic pop
}
int fence_clone = -1;
if (fence != -1) {
fence_clone = dup(fence);
if (fence_clone == -1) {
ALOGE("dup(fence) failed, stalling until signalled: %s (%d)",
strerror(errno), errno);
sync_wait(fence, -1 /* forever */);
}
}
const DeviceVtbl& driver_vtbl = GetDriverVtbl(device);
result =
driver_vtbl.ImportNativeFenceANDROID(device, semaphore, fence_clone);
if (result != VK_SUCCESS) {
// NOTE: we're relying on ImportNativeFenceANDROID to close
// fence_clone, even if the call fails. We could close it ourselves on
// failure, but that would create a race condition if the driver closes
// it on a failure path. We must assume one of: the driver *always*
// closes it even on failure, or *never* closes it on failure.
swapchain.window->cancelBuffer(swapchain.window.get(), buffer, fence);
swapchain.images[idx].dequeued = false;
swapchain.images[idx].dequeue_fence = -1;
return result;
}
*image_index = idx;
return VK_SUCCESS;
}
VkResult QueuePresentKHR(VkQueue queue, VkPresentInfoKHR* present_info) {
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wold-style-cast"
#pragma clang diagnostic ignored "-Wsign-conversion"
ALOGV_IF(present_info->sType != VK_STRUCTURE_TYPE_PRESENT_INFO_KHR,
"vkQueuePresentKHR: invalid VkPresentInfoKHR structure type %d",
present_info->sType);
#pragma clang diagnostic pop
ALOGV_IF(present_info->pNext, "VkPresentInfo::pNext != NULL");
const DeviceVtbl& driver_vtbl = GetDriverVtbl(queue);
VkResult final_result = VK_SUCCESS;
for (uint32_t sc = 0; sc < present_info->swapchainCount; sc++) {
Swapchain& swapchain =
*SwapchainFromHandle(present_info->swapchains[sc]);
uint32_t image_idx = present_info->imageIndices[sc];
Swapchain::Image& img = swapchain.images[image_idx];
VkResult result;
int err;
int fence = -1;
result = driver_vtbl.QueueSignalNativeFenceANDROID(queue, &fence);
if (result != VK_SUCCESS) {
ALOGE("vkQueueSignalNativeFenceANDROID failed: %d", result);
if (final_result == VK_SUCCESS)
final_result = result;
// TODO(jessehall): What happens to the buffer here? Does the app
// still own it or not, i.e. should we cancel the buffer? Hard to
// do correctly without synchronizing, though I guess we could wait
// for the queue to idle.
continue;
}
err = swapchain.window->queueBuffer(swapchain.window.get(),
img.buffer.get(), fence);
if (err != 0) {
// TODO(jessehall): What now? We should probably cancel the buffer,
// I guess?
ALOGE("queueBuffer failed: %s (%d)", strerror(-err), err);
if (final_result == VK_SUCCESS)
final_result = VK_ERROR_INITIALIZATION_FAILED;
continue;
}
if (img.dequeue_fence != -1) {
close(img.dequeue_fence);
img.dequeue_fence = -1;
}
img.dequeued = false;
}
return final_result;
}
} // namespace vulkan