chromium/gpu/command_buffer/client/ring_buffer.cc

// Copyright 2011 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// This file contains the implementation of the RingBuffer class.

#include "gpu/command_buffer/client/ring_buffer.h"

#include <stdint.h>

#include <algorithm>
#include <ostream>

#include "base/check_op.h"
#include "base/notreached.h"
#include "base/numerics/safe_conversions.h"
#include "gpu/command_buffer/client/cmd_buffer_helper.h"

namespace gpu {

RingBuffer::RingBuffer(uint32_t alignment,
                       Offset base_offset,
                       uint32_t size,
                       CommandBufferHelper* helper,
                       void* base)
    : … { … }

RingBuffer::~RingBuffer() { … }

void RingBuffer::FreeOldestBlock() { … }

void* RingBuffer::Alloc(uint32_t size) { … }

void RingBuffer::FreePendingToken(void* pointer, uint32_t token) { … }

void RingBuffer::DiscardBlock(void* pointer) { … }

uint32_t RingBuffer::GetLargestFreeSizeNoWaiting() { … }

uint32_t RingBuffer::GetLargestFreeSizeNoWaitingInternal() { … }

uint32_t RingBuffer::GetTotalFreeSizeNoWaiting() { … }

void RingBuffer::ShrinkLastBlock(uint32_t new_size) { … }

}  // namespace gpu