/*
* 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.
*/
#include <algorithm>
#include <gui/BufferQueue.h>
#include <log/log.h>
#include <sync/sync.h>
#include <utils/StrongPointer.h>
#include "driver.h"
// 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 vulkan {
namespace driver {
namespace {
const VkSurfaceTransformFlagsKHR kSupportedTransforms =
VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR |
VK_SURFACE_TRANSFORM_ROTATE_90_BIT_KHR |
VK_SURFACE_TRANSFORM_ROTATE_180_BIT_KHR |
VK_SURFACE_TRANSFORM_ROTATE_270_BIT_KHR |
// TODO(jessehall): See TODO in TranslateNativeToVulkanTransform.
// VK_SURFACE_TRANSFORM_HORIZONTAL_MIRROR_BIT_KHR |
// VK_SURFACE_TRANSFORM_HORIZONTAL_MIRROR_ROTATE_90_BIT_KHR |
// VK_SURFACE_TRANSFORM_HORIZONTAL_MIRROR_ROTATE_180_BIT_KHR |
// VK_SURFACE_TRANSFORM_HORIZONTAL_MIRROR_ROTATE_270_BIT_KHR |
VK_SURFACE_TRANSFORM_INHERIT_BIT_KHR;
VkSurfaceTransformFlagBitsKHR TranslateNativeToVulkanTransform(int native) {
// Native and Vulkan transforms are isomorphic, but are represented
// differently. Vulkan transforms are built up of an optional horizontal
// mirror, followed by a clockwise 0/90/180/270-degree rotation. Native
// transforms are built up from a horizontal flip, vertical flip, and
// 90-degree rotation, all optional but always in that order.
// TODO(jessehall): For now, only support pure rotations, not
// flip or flip-and-rotate, until I have more time to test them and build
// sample code. As far as I know we never actually use anything besides
// pure rotations anyway.
switch (native) {
case 0: // 0x0
return VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
// case NATIVE_WINDOW_TRANSFORM_FLIP_H: // 0x1
// return VK_SURFACE_TRANSFORM_HORIZONTAL_MIRROR_BIT_KHR;
// case NATIVE_WINDOW_TRANSFORM_FLIP_V: // 0x2
// return VK_SURFACE_TRANSFORM_HORIZONTAL_MIRROR_ROTATE_180_BIT_KHR;
case NATIVE_WINDOW_TRANSFORM_ROT_180: // FLIP_H | FLIP_V
return VK_SURFACE_TRANSFORM_ROTATE_180_BIT_KHR;
case NATIVE_WINDOW_TRANSFORM_ROT_90: // 0x4
return VK_SURFACE_TRANSFORM_ROTATE_90_BIT_KHR;
// case NATIVE_WINDOW_TRANSFORM_FLIP_H | NATIVE_WINDOW_TRANSFORM_ROT_90:
// return VK_SURFACE_TRANSFORM_HORIZONTAL_MIRROR_ROTATE_90_BIT_KHR;
// case NATIVE_WINDOW_TRANSFORM_FLIP_V | NATIVE_WINDOW_TRANSFORM_ROT_90:
// return VK_SURFACE_TRANSFORM_HORIZONTAL_MIRROR_ROTATE_270_BIT_KHR;
case NATIVE_WINDOW_TRANSFORM_ROT_270: // FLIP_H | FLIP_V | ROT_90
return VK_SURFACE_TRANSFORM_ROTATE_270_BIT_KHR;
case NATIVE_WINDOW_TRANSFORM_INVERSE_DISPLAY:
default:
return VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
}
}
int InvertTransformToNative(VkSurfaceTransformFlagBitsKHR transform) {
switch (transform) {
case VK_SURFACE_TRANSFORM_ROTATE_90_BIT_KHR:
return NATIVE_WINDOW_TRANSFORM_ROT_270;
case VK_SURFACE_TRANSFORM_ROTATE_180_BIT_KHR:
return NATIVE_WINDOW_TRANSFORM_ROT_180;
case VK_SURFACE_TRANSFORM_ROTATE_270_BIT_KHR:
return NATIVE_WINDOW_TRANSFORM_ROT_90;
// TODO(jessehall): See TODO in TranslateNativeToVulkanTransform.
// case VK_SURFACE_TRANSFORM_HORIZONTAL_MIRROR_BIT_KHR:
// return NATIVE_WINDOW_TRANSFORM_FLIP_H;
// case VK_SURFACE_TRANSFORM_HORIZONTAL_MIRROR_ROTATE_90_BIT_KHR:
// return NATIVE_WINDOW_TRANSFORM_FLIP_H |
// NATIVE_WINDOW_TRANSFORM_ROT_90;
// case VK_SURFACE_TRANSFORM_HORIZONTAL_MIRROR_ROTATE_180_BIT_KHR:
// return NATIVE_WINDOW_TRANSFORM_FLIP_V;
// case VK_SURFACE_TRANSFORM_HORIZONTAL_MIRROR_ROTATE_270_BIT_KHR:
// return NATIVE_WINDOW_TRANSFORM_FLIP_V |
// NATIVE_WINDOW_TRANSFORM_ROT_90;
case VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR:
case VK_SURFACE_TRANSFORM_INHERIT_BIT_KHR:
default:
return 0;
}
}
// ----------------------------------------------------------------------------
struct Surface {
android::sp<ANativeWindow> window;
VkSwapchainKHR swapchain_handle;
};
VkSurfaceKHR HandleFromSurface(Surface* surface) {
return VkSurfaceKHR(reinterpret_cast<uint64_t>(surface));
}
Surface* SurfaceFromHandle(VkSurfaceKHR handle) {
return reinterpret_cast<Surface*>(handle);
}
struct Swapchain {
Swapchain(Surface& surface_, uint32_t num_images_)
: surface(surface_), num_images(num_images_) {}
Surface& surface;
uint32_t num_images;
struct Image {
Image() : image(VK_NULL_HANDLE), dequeue_fence(-1), dequeued(false) {}
VkImage image;
android::sp<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);
}
void ReleaseSwapchainImage(VkDevice device,
ANativeWindow* window,
int release_fence,
Swapchain::Image& image) {
ALOG_ASSERT(release_fence == -1 || image.dequeued,
"ReleaseSwapchainImage: can't provide a release fence for "
"non-dequeued images");
if (image.dequeued) {
if (release_fence >= 0) {
// We get here from vkQueuePresentKHR. The application is
// responsible for creating an execution dependency chain from
// vkAcquireNextImage (dequeue_fence) to vkQueuePresentKHR
// (release_fence), so we can drop the dequeue_fence here.
if (image.dequeue_fence >= 0)
close(image.dequeue_fence);
} else {
// We get here during swapchain destruction, or various serious
// error cases e.g. when we can't create the release_fence during
// vkQueuePresentKHR. In non-error cases, the dequeue_fence should
// have already signalled, since the swapchain images are supposed
// to be idle before the swapchain is destroyed. In error cases,
// there may be rendering in flight to the image, but since we
// weren't able to create a release_fence, waiting for the
// dequeue_fence is about the best we can do.
release_fence = image.dequeue_fence;
}
image.dequeue_fence = -1;
if (window) {
window->cancelBuffer(window, image.buffer.get(), release_fence);
} else {
if (release_fence >= 0) {
sync_wait(release_fence, -1 /* forever */);
close(release_fence);
}
}
image.dequeued = false;
}
if (image.image) {
GetData(device).driver.DestroyImage(device, image.image, nullptr);
image.image = VK_NULL_HANDLE;
}
image.buffer.clear();
}
void OrphanSwapchain(VkDevice device, Swapchain* swapchain) {
if (swapchain->surface.swapchain_handle != HandleFromSwapchain(swapchain))
return;
for (uint32_t i = 0; i < swapchain->num_images; i++) {
if (!swapchain->images[i].dequeued)
ReleaseSwapchainImage(device, nullptr, -1, swapchain->images[i]);
}
swapchain->surface.swapchain_handle = VK_NULL_HANDLE;
}
} // anonymous namespace
VKAPI_ATTR
VkResult CreateAndroidSurfaceKHR(
VkInstance instance,
const VkAndroidSurfaceCreateInfoKHR* pCreateInfo,
const VkAllocationCallbacks* allocator,
VkSurfaceKHR* out_surface) {
if (!allocator)
allocator = &GetData(instance).allocator;
void* mem = allocator->pfnAllocation(allocator->pUserData, sizeof(Surface),
alignof(Surface),
VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
if (!mem)
return VK_ERROR_OUT_OF_HOST_MEMORY;
Surface* surface = new (mem) Surface;
surface->window = pCreateInfo->window;
surface->swapchain_handle = VK_NULL_HANDLE;
// TODO(jessehall): Create and use NATIVE_WINDOW_API_VULKAN.
int err =
native_window_api_connect(surface->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);
surface->~Surface();
allocator->pfnFree(allocator->pUserData, surface);
return VK_ERROR_INITIALIZATION_FAILED;
}
*out_surface = HandleFromSurface(surface);
return VK_SUCCESS;
}
VKAPI_ATTR
void DestroySurfaceKHR(VkInstance instance,
VkSurfaceKHR surface_handle,
const VkAllocationCallbacks* allocator) {
Surface* surface = SurfaceFromHandle(surface_handle);
if (!surface)
return;
native_window_api_disconnect(surface->window.get(), NATIVE_WINDOW_API_EGL);
ALOGV_IF(surface->swapchain_handle != VK_NULL_HANDLE,
"destroyed VkSurfaceKHR 0x%" PRIx64
" has active VkSwapchainKHR 0x%" PRIx64,
reinterpret_cast<uint64_t>(surface_handle),
reinterpret_cast<uint64_t>(surface->swapchain_handle));
surface->~Surface();
if (!allocator)
allocator = &GetData(instance).allocator;
allocator->pfnFree(allocator->pUserData, surface);
}
VKAPI_ATTR
VkResult GetPhysicalDeviceSurfaceSupportKHR(VkPhysicalDevice /*pdev*/,
uint32_t /*queue_family*/,
VkSurfaceKHR /*surface*/,
VkBool32* supported) {
*supported = VK_TRUE;
return VK_SUCCESS;
}
VKAPI_ATTR
VkResult GetPhysicalDeviceSurfaceCapabilitiesKHR(
VkPhysicalDevice /*pdev*/,
VkSurfaceKHR surface,
VkSurfaceCapabilitiesKHR* capabilities) {
int err;
ANativeWindow* window = SurfaceFromHandle(surface)->window.get();
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);
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);
return VK_ERROR_INITIALIZATION_FAILED;
}
int transform_hint;
err = window->query(window, NATIVE_WINDOW_TRANSFORM_HINT, &transform_hint);
if (err != 0) {
ALOGE("NATIVE_WINDOW_TRANSFORM_HINT query failed: %s (%d)",
strerror(-err), err);
return VK_ERROR_INITIALIZATION_FAILED;
}
// TODO(jessehall): Figure out what the min/max values should be.
capabilities->minImageCount = 2;
capabilities->maxImageCount = 3;
capabilities->currentExtent =
VkExtent2D{static_cast<uint32_t>(width), static_cast<uint32_t>(height)};
// TODO(jessehall): Figure out what the max extent should be. Maximum
// texture dimension maybe?
capabilities->minImageExtent = VkExtent2D{1, 1};
capabilities->maxImageExtent = VkExtent2D{4096, 4096};
capabilities->maxImageArrayLayers = 1;
capabilities->supportedTransforms = kSupportedTransforms;
capabilities->currentTransform =
TranslateNativeToVulkanTransform(transform_hint);
// On Android, window composition is a WindowManager property, not something
// associated with the bufferqueue. It can't be changed from here.
capabilities->supportedCompositeAlpha = VK_COMPOSITE_ALPHA_INHERIT_BIT_KHR;
// 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
capabilities->supportedUsageFlags =
VK_IMAGE_USAGE_TRANSFER_SRC_BIT | VK_IMAGE_USAGE_TRANSFER_DST_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;
}
VKAPI_ATTR
VkResult GetPhysicalDeviceSurfaceFormatsKHR(VkPhysicalDevice /*pdev*/,
VkSurfaceKHR /*surface*/,
uint32_t* count,
VkSurfaceFormatKHR* formats) {
// TODO(jessehall): Fill out the set of supported formats. Longer term, add
// a new gralloc method to query whether a (format, usage) pair is
// supported, and check that for each gralloc format that corresponds to a
// Vulkan format. Shorter term, just add a few more formats to the ones
// hardcoded below.
const VkSurfaceFormatKHR kFormats[] = {
{VK_FORMAT_R8G8B8A8_UNORM, VK_COLOR_SPACE_SRGB_NONLINEAR_KHR},
{VK_FORMAT_R8G8B8A8_SRGB, VK_COLOR_SPACE_SRGB_NONLINEAR_KHR},
{VK_FORMAT_R5G6B5_UNORM_PACK16, VK_COLOR_SPACE_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;
}
VKAPI_ATTR
VkResult GetPhysicalDeviceSurfacePresentModesKHR(VkPhysicalDevice /*pdev*/,
VkSurfaceKHR /*surface*/,
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;
}
VKAPI_ATTR
VkResult CreateSwapchainKHR(VkDevice device,
const VkSwapchainCreateInfoKHR* create_info,
const VkAllocationCallbacks* allocator,
VkSwapchainKHR* swapchain_handle) {
int err;
VkResult result = VK_SUCCESS;
ALOGV("vkCreateSwapchainKHR: surface=0x%" PRIx64
" minImageCount=%u imageFormat=%u imageColorSpace=%u"
" imageExtent=%ux%u imageUsage=%#x preTransform=%u presentMode=%u"
" oldSwapchain=0x%" PRIx64,
reinterpret_cast<uint64_t>(create_info->surface),
create_info->minImageCount, create_info->imageFormat,
create_info->imageColorSpace, create_info->imageExtent.width,
create_info->imageExtent.height, create_info->imageUsage,
create_info->preTransform, create_info->presentMode,
reinterpret_cast<uint64_t>(create_info->oldSwapchain));
if (!allocator)
allocator = &GetData(device).allocator;
ALOGV_IF(create_info->imageArrayLayers != 1,
"swapchain imageArrayLayers=%u not supported",
create_info->imageArrayLayers);
ALOGV_IF(create_info->imageColorSpace != VK_COLOR_SPACE_SRGB_NONLINEAR_KHR,
"swapchain imageColorSpace=%u not supported",
create_info->imageColorSpace);
ALOGV_IF((create_info->preTransform & ~kSupportedTransforms) != 0,
"swapchain preTransform=%#x not supported",
create_info->preTransform);
ALOGV_IF(!(create_info->presentMode == VK_PRESENT_MODE_FIFO_KHR ||
create_info->presentMode == VK_PRESENT_MODE_MAILBOX_KHR),
"swapchain presentMode=%u not supported",
create_info->presentMode);
Surface& surface = *SurfaceFromHandle(create_info->surface);
if (surface.swapchain_handle != create_info->oldSwapchain) {
ALOGV("Can't create a swapchain for VkSurfaceKHR 0x%" PRIx64
" because it already has active swapchain 0x%" PRIx64
" but VkSwapchainCreateInfo::oldSwapchain=0x%" PRIx64,
reinterpret_cast<uint64_t>(create_info->surface),
reinterpret_cast<uint64_t>(surface.swapchain_handle),
reinterpret_cast<uint64_t>(create_info->oldSwapchain));
return VK_ERROR_NATIVE_WINDOW_IN_USE_KHR;
}
if (create_info->oldSwapchain != VK_NULL_HANDLE)
OrphanSwapchain(device, SwapchainFromHandle(create_info->oldSwapchain));
// -- Reset the native window --
// The native window might have been used previously, and had its properties
// changed from defaults. That will affect the answer we get for queries
// like MIN_UNDEQUED_BUFFERS. Reset to a known/default state before we
// attempt such queries.
// The native window only allows dequeueing all buffers before any have
// been queued, since after that point at least one is assumed to be in
// non-FREE state at any given time. Disconnecting and re-connecting
// orphans the previous buffers, getting us back to the state where we can
// dequeue all buffers.
err = native_window_api_disconnect(surface.window.get(),
NATIVE_WINDOW_API_EGL);
ALOGW_IF(err != 0, "native_window_api_disconnect failed: %s (%d)",
strerror(-err), err);
err =
native_window_api_connect(surface.window.get(), NATIVE_WINDOW_API_EGL);
ALOGW_IF(err != 0, "native_window_api_connect failed: %s (%d)",
strerror(-err), err);
err = native_window_set_buffer_count(surface.window.get(), 0);
if (err != 0) {
ALOGE("native_window_set_buffer_count(0) failed: %s (%d)",
strerror(-err), err);
return VK_ERROR_INITIALIZATION_FAILED;
}
err = surface.window->setSwapInterval(surface.window.get(), 1);
if (err != 0) {
// TODO(jessehall): Improve error reporting. Can we enumerate possible
// errors and translate them to valid Vulkan result codes?
ALOGE("native_window->setSwapInterval(1) failed: %s (%d)",
strerror(-err), err);
return VK_ERROR_INITIALIZATION_FAILED;
}
// -- Configure the native window --
const auto& dispatch = GetData(device).driver;
int native_format = HAL_PIXEL_FORMAT_RGBA_8888;
switch (create_info->imageFormat) {
case VK_FORMAT_R8G8B8A8_UNORM:
case VK_FORMAT_R8G8B8A8_SRGB:
native_format = HAL_PIXEL_FORMAT_RGBA_8888;
break;
case VK_FORMAT_R5G6B5_UNORM_PACK16:
native_format = HAL_PIXEL_FORMAT_RGB_565;
break;
default:
ALOGV("unsupported swapchain format %d", create_info->imageFormat);
break;
}
err = native_window_set_buffers_format(surface.window.get(), native_format);
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_format(%d) failed: %s (%d)",
native_format, strerror(-err), err);
return VK_ERROR_INITIALIZATION_FAILED;
}
err = native_window_set_buffers_data_space(surface.window.get(),
HAL_DATASPACE_SRGB_LINEAR);
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_data_space(%d) failed: %s (%d)",
HAL_DATASPACE_SRGB_LINEAR, strerror(-err), err);
return VK_ERROR_INITIALIZATION_FAILED;
}
err = native_window_set_buffers_dimensions(
surface.window.get(), static_cast<int>(create_info->imageExtent.width),
static_cast<int>(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);
return VK_ERROR_INITIALIZATION_FAILED;
}
// VkSwapchainCreateInfo::preTransform indicates the transformation the app
// applied during rendering. native_window_set_transform() expects the
// inverse: the transform the app is requesting that the compositor perform
// during composition. With native windows, pre-transform works by rendering
// with the same transform the compositor is applying (as in Vulkan), but
// then requesting the inverse transform, so that when the compositor does
// it's job the two transforms cancel each other out and the compositor ends
// up applying an identity transform to the app's buffer.
err = native_window_set_buffers_transform(
surface.window.get(),
InvertTransformToNative(create_info->preTransform));
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_transform(%d) failed: %s (%d)",
InvertTransformToNative(create_info->preTransform),
strerror(-err), err);
return VK_ERROR_INITIALIZATION_FAILED;
}
err = native_window_set_scaling_mode(
surface.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);
return VK_ERROR_INITIALIZATION_FAILED;
}
int query_value;
err = surface.window->query(surface.window.get(),
NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS,
&query_value);
if (err != 0 || query_value < 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) value=%d", strerror(-err), err,
query_value);
return VK_ERROR_INITIALIZATION_FAILED;
}
uint32_t min_undequeued_buffers = static_cast<uint32_t>(query_value);
// The MIN_UNDEQUEUED_BUFFERS query doesn't know whether we'll be using
// async mode or not, and assumes not. But in async mode, the BufferQueue
// requires an extra undequeued buffer.
// See BufferQueueCore::getMinUndequeuedBufferCountLocked().
if (create_info->presentMode == VK_PRESENT_MODE_MAILBOX_KHR)
min_undequeued_buffers += 1;
uint32_t num_images =
(create_info->minImageCount - 1) + min_undequeued_buffers;
err = native_window_set_buffer_count(surface.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(%d) failed: %s (%d)", num_images,
strerror(-err), err);
return VK_ERROR_INITIALIZATION_FAILED;
}
int gralloc_usage = 0;
// TODO(jessehall): Remove conditional once all drivers have been updated
if (dispatch.GetSwapchainGrallocUsageANDROID) {
result = dispatch.GetSwapchainGrallocUsageANDROID(
device, create_info->imageFormat, create_info->imageUsage,
&gralloc_usage);
if (result != VK_SUCCESS) {
ALOGE("vkGetSwapchainGrallocUsageANDROID failed: %d", result);
return VK_ERROR_INITIALIZATION_FAILED;
}
} else {
gralloc_usage = GRALLOC_USAGE_HW_RENDER | GRALLOC_USAGE_HW_TEXTURE;
}
err = native_window_set_usage(surface.window.get(), gralloc_usage);
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_usage failed: %s (%d)", strerror(-err), err);
return VK_ERROR_INITIALIZATION_FAILED;
}
int swap_interval =
create_info->presentMode == VK_PRESENT_MODE_MAILBOX_KHR ? 0 : 1;
err = surface.window->setSwapInterval(surface.window.get(), swap_interval);
if (err != 0) {
// TODO(jessehall): Improve error reporting. Can we enumerate possible
// errors and translate them to valid Vulkan result codes?
ALOGE("native_window->setSwapInterval(%d) failed: %s (%d)",
swap_interval, strerror(-err), err);
return VK_ERROR_INITIALIZATION_FAILED;
}
// -- Allocate our Swapchain object --
// After this point, we must deallocate the swapchain on error.
void* mem = allocator->pfnAllocation(allocator->pUserData,
sizeof(Swapchain), alignof(Swapchain),
VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
if (!mem)
return VK_ERROR_OUT_OF_HOST_MEMORY;
Swapchain* swapchain = new (mem) Swapchain(surface, 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 = {
#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 = create_info->imageFormat,
.extent = {0, 0, 1},
.mipLevels = 1,
.arrayLayers = 1,
.samples = VK_SAMPLE_COUNT_1_BIT,
.tiling = VK_IMAGE_TILING_OPTIMAL,
.usage = create_info->imageUsage,
.flags = 0,
.sharingMode = create_info->imageSharingMode,
.queueFamilyIndexCount = create_info->queueFamilyIndexCount,
.pQueueFamilyIndices = create_info->pQueueFamilyIndices,
};
for (uint32_t i = 0; i < num_images; i++) {
Swapchain::Image& img = swapchain->images[i];
ANativeWindowBuffer* buffer;
err = surface.window->dequeueBuffer(surface.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 = buffer;
img.dequeued = true;
image_create.extent =
VkExtent3D{static_cast<uint32_t>(img.buffer->width),
static_cast<uint32_t>(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 =
dispatch.CreateImage(device, &image_create, nullptr, &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) {
surface.window->cancelBuffer(surface.window.get(), img.buffer.get(),
img.dequeue_fence);
img.dequeue_fence = -1;
img.dequeued = false;
}
if (result != VK_SUCCESS) {
if (img.image)
dispatch.DestroyImage(device, img.image, nullptr);
}
}
if (result != VK_SUCCESS) {
swapchain->~Swapchain();
allocator->pfnFree(allocator->pUserData, swapchain);
return result;
}
surface.swapchain_handle = HandleFromSwapchain(swapchain);
*swapchain_handle = surface.swapchain_handle;
return VK_SUCCESS;
}
VKAPI_ATTR
void DestroySwapchainKHR(VkDevice device,
VkSwapchainKHR swapchain_handle,
const VkAllocationCallbacks* allocator) {
const auto& dispatch = GetData(device).driver;
Swapchain* swapchain = SwapchainFromHandle(swapchain_handle);
bool active = swapchain->surface.swapchain_handle == swapchain_handle;
ANativeWindow* window = active ? swapchain->surface.window.get() : nullptr;
for (uint32_t i = 0; i < swapchain->num_images; i++)
ReleaseSwapchainImage(device, window, -1, swapchain->images[i]);
if (active)
swapchain->surface.swapchain_handle = VK_NULL_HANDLE;
if (!allocator)
allocator = &GetData(device).allocator;
swapchain->~Swapchain();
allocator->pfnFree(allocator->pUserData, swapchain);
}
VKAPI_ATTR
VkResult GetSwapchainImagesKHR(VkDevice,
VkSwapchainKHR swapchain_handle,
uint32_t* count,
VkImage* images) {
Swapchain& swapchain = *SwapchainFromHandle(swapchain_handle);
ALOGW_IF(swapchain.surface.swapchain_handle != swapchain_handle,
"getting images for non-active swapchain 0x%" PRIx64
"; only dequeued image handles are valid",
reinterpret_cast<uint64_t>(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;
}
VKAPI_ATTR
VkResult AcquireNextImageKHR(VkDevice device,
VkSwapchainKHR swapchain_handle,
uint64_t timeout,
VkSemaphore semaphore,
VkFence vk_fence,
uint32_t* image_index) {
Swapchain& swapchain = *SwapchainFromHandle(swapchain_handle);
ANativeWindow* window = swapchain.surface.window.get();
VkResult result;
int err;
if (swapchain.surface.swapchain_handle != swapchain_handle)
return VK_ERROR_OUT_OF_DATE_KHR;
ALOGW_IF(
timeout != UINT64_MAX,
"vkAcquireNextImageKHR: non-infinite timeouts not yet implemented");
ANativeWindowBuffer* buffer;
int fence_fd;
err = window->dequeueBuffer(window, &buffer, &fence_fd);
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_fd;
break;
}
}
if (idx == swapchain.num_images) {
ALOGE("dequeueBuffer returned unrecognized buffer");
window->cancelBuffer(window, buffer, fence_fd);
return VK_ERROR_OUT_OF_DATE_KHR;
}
int fence_clone = -1;
if (fence_fd != -1) {
fence_clone = dup(fence_fd);
if (fence_clone == -1) {
ALOGE("dup(fence) failed, stalling until signalled: %s (%d)",
strerror(errno), errno);
sync_wait(fence_fd, -1 /* forever */);
}
}
result = GetData(device).driver.AcquireImageANDROID(
device, swapchain.images[idx].image, fence_clone, semaphore, vk_fence);
if (result != VK_SUCCESS) {
// NOTE: we're relying on AcquireImageANDROID 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: some other thread might create an fd with the same
// number between the time the driver closes it and the time we close
// it. We must assume one of: the driver *always* closes it even on
// failure, or *never* closes it on failure.
window->cancelBuffer(window, buffer, fence_fd);
swapchain.images[idx].dequeued = false;
swapchain.images[idx].dequeue_fence = -1;
return result;
}
*image_index = idx;
return VK_SUCCESS;
}
static VkResult WorstPresentResult(VkResult a, VkResult b) {
// See the error ranking for vkQueuePresentKHR at the end of section 29.6
// (in spec version 1.0.14).
static const VkResult kWorstToBest[] = {
VK_ERROR_DEVICE_LOST,
VK_ERROR_SURFACE_LOST_KHR,
VK_ERROR_OUT_OF_DATE_KHR,
VK_ERROR_OUT_OF_DEVICE_MEMORY,
VK_ERROR_OUT_OF_HOST_MEMORY,
VK_SUBOPTIMAL_KHR,
};
for (auto result : kWorstToBest) {
if (a == result || b == result)
return result;
}
ALOG_ASSERT(a == VK_SUCCESS, "invalid vkQueuePresentKHR result %d", a);
ALOG_ASSERT(b == VK_SUCCESS, "invalid vkQueuePresentKHR result %d", b);
return a != VK_SUCCESS ? a : b;
}
VKAPI_ATTR
VkResult QueuePresentKHR(VkQueue queue, const VkPresentInfoKHR* present_info) {
ALOGV_IF(present_info->sType != VK_STRUCTURE_TYPE_PRESENT_INFO_KHR,
"vkQueuePresentKHR: invalid VkPresentInfoKHR structure type %d",
present_info->sType);
ALOGV_IF(present_info->pNext, "VkPresentInfo::pNext != NULL");
VkDevice device = GetData(queue).driver_device;
const auto& dispatch = GetData(queue).driver;
VkResult final_result = VK_SUCCESS;
for (uint32_t sc = 0; sc < present_info->swapchainCount; sc++) {
Swapchain& swapchain =
*SwapchainFromHandle(present_info->pSwapchains[sc]);
uint32_t image_idx = present_info->pImageIndices[sc];
Swapchain::Image& img = swapchain.images[image_idx];
VkResult swapchain_result = VK_SUCCESS;
VkResult result;
int err;
int fence = -1;
result = dispatch.QueueSignalReleaseImageANDROID(
queue, present_info->waitSemaphoreCount,
present_info->pWaitSemaphores, img.image, &fence);
if (result != VK_SUCCESS) {
ALOGE("QueueSignalReleaseImageANDROID failed: %d", result);
swapchain_result = result;
}
if (swapchain.surface.swapchain_handle ==
present_info->pSwapchains[sc]) {
ANativeWindow* window = swapchain.surface.window.get();
if (swapchain_result == VK_SUCCESS) {
err = window->queueBuffer(window, img.buffer.get(), fence);
// queueBuffer always closes fence, even on error
if (err != 0) {
// TODO(jessehall): What now? We should probably cancel the
// buffer, I guess?
ALOGE("queueBuffer failed: %s (%d)", strerror(-err), err);
swapchain_result = WorstPresentResult(
swapchain_result, VK_ERROR_OUT_OF_DATE_KHR);
}
if (img.dequeue_fence >= 0) {
close(img.dequeue_fence);
img.dequeue_fence = -1;
}
img.dequeued = false;
}
if (swapchain_result != VK_SUCCESS) {
ReleaseSwapchainImage(device, window, fence, img);
OrphanSwapchain(device, &swapchain);
}
} else {
ReleaseSwapchainImage(device, nullptr, fence, img);
swapchain_result = VK_ERROR_OUT_OF_DATE_KHR;
}
if (present_info->pResults)
present_info->pResults[sc] = swapchain_result;
if (swapchain_result != final_result)
final_result = WorstPresentResult(final_result, swapchain_result);
}
return final_result;
}
} // namespace driver
} // namespace vulkan