chromium/third_party/angle/src/libANGLE/renderer/vulkan/SurfaceVk.h

//
// Copyright 2016 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// SurfaceVk.h:
//    Defines the class interface for SurfaceVk, implementing SurfaceImpl.
//

#ifndef LIBANGLE_RENDERER_VULKAN_SURFACEVK_H_
#define LIBANGLE_RENDERER_VULKAN_SURFACEVK_H_

#include "common/CircularBuffer.h"
#include "common/SimpleMutex.h"
#include "common/vulkan/vk_headers.h"
#include "libANGLE/renderer/SurfaceImpl.h"
#include "libANGLE/renderer/vulkan/CommandProcessor.h"
#include "libANGLE/renderer/vulkan/RenderTargetVk.h"
#include "libANGLE/renderer/vulkan/vk_helpers.h"

namespace rx
{
class SurfaceVk : public SurfaceImpl, public angle::ObserverInterface, public vk::Resource
{ … };

class OffscreenSurfaceVk : public SurfaceVk
{ … };

// Data structures used in WindowSurfaceVk
namespace impl
{
static constexpr size_t kSwapHistorySize = …;

// Old swapchain and associated present fences/semaphores that need to be scheduled for
// recycling/destruction when appropriate.
struct SwapchainCleanupData : angle::NonCopyable
{ … };

// Each present operation is associated with a wait semaphore.  To know when that semaphore can be
// recycled, a swapSerial is used.  When that swapSerial is finished, the semaphore used in the
// previous present operation involving imageIndex can be recycled.  See doc/PresentSemaphores.md
// for details.
// When VK_EXT_swapchain_maintenance1 is supported, present fence is used instead of the swapSerial.
//
// Old swapchains are scheduled to be destroyed at the same time as the last wait semaphore used to
// present an image to the old swapchains can be recycled (only relevant when
// VK_EXT_swapchain_maintenance1 is not supported).
struct ImagePresentOperation : angle::NonCopyable
{ … };

// Swapchain images and their associated objects.
struct SwapchainImage : angle::NonCopyable
{ … };

// Associated data for a call to vkAcquireNextImageKHR without necessarily holding the share group
// lock.
struct UnlockedTryAcquireData : angle::NonCopyable
{ … };

struct UnlockedTryAcquireResult : angle::NonCopyable
{ … };

struct ImageAcquireOperation : angle::NonCopyable
{ … };
}  // namespace impl

enum class FramebufferFetchMode
{ … };

class WindowSurfaceVk : public SurfaceVk
{ … };

}  // namespace rx

#endif  // LIBANGLE_RENDERER_VULKAN_SURFACEVK_H_