chromium/gpu/command_buffer/common/discardable_handle.cc

// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "gpu/command_buffer/common/discardable_handle.h"

#include "base/atomicops.h"
#include "base/logging.h"
#include "gpu/command_buffer/common/buffer.h"

namespace gpu {
namespace {
const int32_t kHandleDeleted = …;
const int32_t kHandleUnlocked = …;
const int32_t kHandleLockedStart = …;

}  // namespace

DiscardableHandleBase::DiscardableHandleBase(scoped_refptr<Buffer> buffer,
                                             uint32_t byte_offset,
                                             int32_t shm_id)
    : … { … }

DiscardableHandleBase::DiscardableHandleBase(
    const DiscardableHandleBase& other) = default;
DiscardableHandleBase::DiscardableHandleBase(DiscardableHandleBase&& other) =
    default;
DiscardableHandleBase::~DiscardableHandleBase() = default;
DiscardableHandleBase& DiscardableHandleBase::operator=(
    const DiscardableHandleBase& other) = default;
DiscardableHandleBase& DiscardableHandleBase::operator=(
    DiscardableHandleBase&& other) = default;

bool DiscardableHandleBase::ValidateParameters(const Buffer* buffer,
                                               uint32_t byte_offset) { … }

bool DiscardableHandleBase::IsDeletedForTracing() const { … }

bool DiscardableHandleBase::IsLockedForTesting() const { … }

bool DiscardableHandleBase::IsDeletedForTesting() const { … }

scoped_refptr<Buffer> DiscardableHandleBase::BufferForTesting() const { … }

volatile base::subtle::Atomic32* DiscardableHandleBase::AsAtomic() const { … }

ClientDiscardableHandle::ClientDiscardableHandle()
    : … { … }

ClientDiscardableHandle::ClientDiscardableHandle(scoped_refptr<Buffer> buffer,
                                                 uint32_t byte_offset,
                                                 int32_t shm_id)
    : … { … }

ClientDiscardableHandle::ClientDiscardableHandle(
    const ClientDiscardableHandle& other) = default;
ClientDiscardableHandle::ClientDiscardableHandle(
    ClientDiscardableHandle&& other) = default;
ClientDiscardableHandle& ClientDiscardableHandle::operator=(
    const ClientDiscardableHandle& other) = default;
ClientDiscardableHandle& ClientDiscardableHandle::operator=(
    ClientDiscardableHandle&& other) = default;

bool ClientDiscardableHandle::Lock() { … }

bool ClientDiscardableHandle::CanBeReUsed() const { … }

ServiceDiscardableHandle::ServiceDiscardableHandle()
    : … { … }

ServiceDiscardableHandle::ServiceDiscardableHandle(scoped_refptr<Buffer> buffer,
                                                   uint32_t byte_offset,
                                                   int32_t shm_id)
    : … { … }

ServiceDiscardableHandle::ServiceDiscardableHandle(
    const ServiceDiscardableHandle& other) = default;
ServiceDiscardableHandle::ServiceDiscardableHandle(
    ServiceDiscardableHandle&& other) = default;
ServiceDiscardableHandle& ServiceDiscardableHandle::operator=(
    const ServiceDiscardableHandle& other) = default;
ServiceDiscardableHandle& ServiceDiscardableHandle::operator=(
    ServiceDiscardableHandle&& other) = default;

void ServiceDiscardableHandle::Unlock() { … }

bool ServiceDiscardableHandle::Delete() { … }

void ServiceDiscardableHandle::ForceDelete() { … }

}  // namespace gpu