flutter_runner::VulkanSurface Class Reference

#include <vulkan_surface.h>

Inheritance diagram for flutter_runner::VulkanSurface:

Public Member Functions
	VulkanSurface (vulkan::VulkanProvider &vulkan_provider, fuchsia::sysmem::AllocatorSyncPtr &sysmem_allocator, fuchsia::ui::composition::AllocatorPtr &flatland_allocator, sk_sp< GrDirectContext > context, const SkISize &size)
	~VulkanSurface () override
size_t	AdvanceAndGetAge () override
bool	FlushSessionAcquireAndReleaseEvents () override
bool	IsValid () const override
SkISize	GetSize () const override
void	SignalWritesFinished (const std::function< void(void)> &on_writes_committed) override
void	SetImageId (uint32_t image_id) override
uint32_t	GetImageId () override
sk_sp< SkSurface >	GetSkiaSurface () const override
fuchsia::ui::composition::BufferCollectionImportToken	GetBufferCollectionImportToken () override
zx::event	GetAcquireFence () override
zx::event	GetReleaseFence () override
void	SetReleaseImageCallback (ReleaseImageCallback release_image_callback) override
const vulkan::VulkanHandle< VkImage > &	GetVkImage ()
const vulkan::VulkanHandle< VkSemaphore > &	GetAcquireVkSemaphore ()
vulkan::VulkanCommandBuffer *	GetCommandBuffer (const vulkan::VulkanHandle< VkCommandPool > &pool)
const vulkan::VulkanHandle< VkFence > &	GetCommandBufferFence ()
size_t	GetAllocationSize () const
size_t	GetImageMemoryRequirementsSize () const
bool	IsOversized () const
bool	HasStableSizeHistory () const
Public Member Functions inherited from flutter_runner::SurfaceProducerSurface
virtual	~SurfaceProducerSurface ()=default

Detailed Description

Definition at line 44 of file vulkan_surface.h.

Constructor & Destructor Documentation

VulkanSurface()

flutter_runner::VulkanSurface::VulkanSurface	(	vulkan::VulkanProvider &	vulkan_provider,
		fuchsia::sysmem::AllocatorSyncPtr &	sysmem_allocator,
		fuchsia::ui::composition::AllocatorPtr &	flatland_allocator,
		sk_sp< GrDirectContext >	context,
		const SkISize &	size
	)

Definition at line 147 of file vulkan_surface.cc.

    : vulkan_provider_(vulkan_provider), wait_(this) {
  FML_CHECK(flatland_allocator.is_bound());
  FML_CHECK(context != nullptr);
 
  if (!AllocateDeviceMemory(sysmem_allocator, flatland_allocator,
                            std::move(context), size)) {
    FML_LOG(ERROR) << "VulkanSurface: Could not allocate device memory.";
    return;
  }
 
  if (!CreateFences()) {
    FML_LOG(ERROR) << "VulkanSurface: Could not create signal fences.";
    return;
  }
 
  std::fill(size_history_.begin(), size_history_.end(), SkISize::MakeEmpty());
 
  wait_.set_object(release_event_.get());
  wait_.set_trigger(ZX_EVENT_SIGNALED);
  Reset();
 
  valid_ = true;
}

~VulkanSurface()

flutter_runner::VulkanSurface::~VulkanSurface ( )

override

Definition at line 177 of file vulkan_surface.cc.

                              {
  if (release_image_callback_) {
    release_image_callback_();
  }
  wait_.Cancel();
  wait_.set_object(ZX_HANDLE_INVALID);
}

Member Function Documentation

AdvanceAndGetAge()

size_t flutter_runner::VulkanSurface::AdvanceAndGetAge ( )

overridevirtual

Implements flutter_runner::SurfaceProducerSurface.

Definition at line 473 of file vulkan_surface.cc.

                                       {
  size_history_[size_history_index_] = GetSize();
  size_history_index_ = (size_history_index_ + 1) % kSizeHistorySize;
  age_++;
  return age_;
}

FlushSessionAcquireAndReleaseEvents()

bool flutter_runner::VulkanSurface::FlushSessionAcquireAndReleaseEvents ( )

overridevirtual

Implements flutter_runner::SurfaceProducerSurface.

Definition at line 480 of file vulkan_surface.cc.

                                                        {
  age_ = 0;
  return true;
}

GetAcquireFence()

zx::event flutter_runner::VulkanSurface::GetAcquireFence ( )

overridevirtual

Implements flutter_runner::SurfaceProducerSurface.

Definition at line 457 of file vulkan_surface.cc.

                                       {
  zx::event fence;
  acquire_event_.duplicate(ZX_RIGHT_SAME_RIGHTS, &fence);
  return fence;
}

GetAcquireVkSemaphore()

const vulkan::VulkanHandle< VkSemaphore > & flutter_runner::VulkanSurface::GetAcquireVkSemaphore ( )

inline

Definition at line 98 of file vulkan_surface.h.

                                                                 {
    return acquire_semaphore_;
  }

GetAllocationSize()

size_t flutter_runner::VulkanSurface::GetAllocationSize ( ) const

inline

Definition at line 114 of file vulkan_surface.h.

{ return vk_memory_info_.allocationSize; }

GetBufferCollectionImportToken()

fuchsia::ui::composition::BufferCollectionImportToken flutter_runner::VulkanSurface::GetBufferCollectionImportToken ( )

overridevirtual

Implements flutter_runner::SurfaceProducerSurface.

Definition at line 451 of file vulkan_surface.cc.

                                              {
  fuchsia::ui::composition::BufferCollectionImportToken import_dup;
  import_token_.value.duplicate(ZX_RIGHT_SAME_RIGHTS, &import_dup.value);
  return import_dup;
}

GetCommandBuffer()

vulkan::VulkanCommandBuffer * flutter_runner::VulkanSurface::GetCommandBuffer ( const vulkan::VulkanHandle< VkCommandPool > &  pool )

inline

Definition at line 102 of file vulkan_surface.h.

                                                     {
    if (!command_buffer_)
      command_buffer_ = std::make_unique<vulkan::VulkanCommandBuffer>(
          vulkan_provider_.vk(), vulkan_provider_.vk_device(), pool);
    return command_buffer_.get();
  }

GetCommandBufferFence()

const vulkan::VulkanHandle< VkFence > & flutter_runner::VulkanSurface::GetCommandBufferFence ( )

inline

Definition at line 110 of file vulkan_surface.h.

                                                             {
    return command_buffer_fence_;
  }

GetImageId()

uint32_t flutter_runner::VulkanSurface::GetImageId ( )

overridevirtual

Implements flutter_runner::SurfaceProducerSurface.

Definition at line 442 of file vulkan_surface.cc.

                                   {
  return image_id_;
}

GetImageMemoryRequirementsSize()

size_t flutter_runner::VulkanSurface::GetImageMemoryRequirementsSize ( ) const

inline

Definition at line 116 of file vulkan_surface.h.

                                                {
    return vulkan_image_.vk_memory_requirements.size;
  }

GetReleaseFence()

zx::event flutter_runner::VulkanSurface::GetReleaseFence ( )

overridevirtual

Implements flutter_runner::SurfaceProducerSurface.

Definition at line 463 of file vulkan_surface.cc.

                                       {
  zx::event fence;
  release_event_.duplicate(ZX_RIGHT_SAME_RIGHTS, &fence);
  return fence;
}

GetSize()

SkISize flutter_runner::VulkanSurface::GetSize ( ) const

overridevirtual

Implements flutter_runner::SurfaceProducerSurface.

Definition at line 189 of file vulkan_surface.cc.

                                     {
  if (!valid_) {
    return SkISize::Make(0, 0);
  }
 
  return SkISize::Make(sk_surface_->width(), sk_surface_->height());
}

GetSkiaSurface()

sk_sp< SkSurface > flutter_runner::VulkanSurface::GetSkiaSurface ( ) const

overridevirtual

Implements flutter_runner::SurfaceProducerSurface.

Definition at line 446 of file vulkan_surface.cc.

                                                     {
  return valid_ ? sk_surface_ : nullptr;
}

GetVkImage()

const vulkan::VulkanHandle< VkImage > & flutter_runner::VulkanSurface::GetVkImage ( )

inline

Definition at line 94 of file vulkan_surface.h.

                                                  {
    return vulkan_image_.vk_image;
  }

HasStableSizeHistory()

bool flutter_runner::VulkanSurface::HasStableSizeHistory ( ) const

inline

Definition at line 124 of file vulkan_surface.h.

                                    {
    return std::equal(size_history_.begin() + 1, size_history_.end(),
                      size_history_.begin());
  }

IsOversized()

bool flutter_runner::VulkanSurface::IsOversized ( ) const

inline

Definition at line 120 of file vulkan_surface.h.

                           {
    return GetAllocationSize() > GetImageMemoryRequirementsSize();
  }

IsValid()

bool flutter_runner::VulkanSurface::IsValid ( ) const

overridevirtual

Implements flutter_runner::SurfaceProducerSurface.

Definition at line 185 of file vulkan_surface.cc.

                                  {
  return valid_;
}

SetImageId()

void flutter_runner::VulkanSurface::SetImageId ( uint32_t  image_id )

overridevirtual

Implements flutter_runner::SurfaceProducerSurface.

Definition at line 437 of file vulkan_surface.cc.

                                                {
  FML_CHECK(image_id_ == 0);
  image_id_ = image_id;
}

SetReleaseImageCallback()

void flutter_runner::VulkanSurface::SetReleaseImageCallback ( ReleaseImageCallback  release_image_callback )

overridevirtual

Implements flutter_runner::SurfaceProducerSurface.

Definition at line 468 of file vulkan_surface.cc.

                                                 {
  release_image_callback_ = release_image_callback;
}

SignalWritesFinished()

void flutter_runner::VulkanSurface::SignalWritesFinished ( const std::function< void(void)> &  on_writes_committed )

overridevirtual

Implements flutter_runner::SurfaceProducerSurface.

Definition at line 485 of file vulkan_surface.cc.

                                                        {
  FML_CHECK(on_writes_committed);
 
  if (!valid_) {
    on_writes_committed();
    return;
  }
 
  FML_CHECK(pending_on_writes_committed_ == nullptr)
      << "Attempted to signal a write on the surface when the "
         "previous write has not yet been acknowledged by the "
         "compositor.";
 
  pending_on_writes_committed_ = on_writes_committed;
}

---

The documentation for this class was generated from the following files:

• shell/platform/fuchsia/flutter/vulkan_surface.h
• shell/platform/fuchsia/flutter/vulkan_surface.cc