blob: 47e71acb199227a06375015e5955cbffe38e9685 [file] [log] [blame]
// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <string>
#include "base/memory/shared_memory.h"
#include "cc/base/cc_export.h"
#include "gpu/command_buffer/common/mailbox_holder.h"
#include "ui/gfx/geometry/size.h"
namespace cc {
class SharedBitmap;
// TODO(skaslev, danakj) Rename this class more apropriately since now it
// can hold a shared memory resource as well as a texture mailbox.
class CC_EXPORT TextureMailbox {
explicit TextureMailbox(const gpu::MailboxHolder& mailbox_holder);
TextureMailbox(const gpu::Mailbox& mailbox, uint32 target, uint32 sync_point);
TextureMailbox(const gpu::Mailbox& mailbox,
uint32 target,
uint32 sync_point,
const gfx::Size& size_in_pixels,
bool allow_overlay);
TextureMailbox(SharedBitmap* shared_bitmap, const gfx::Size& size_in_pixels);
bool IsValid() const { return IsTexture() || IsSharedMemory(); }
bool IsTexture() const { return !mailbox_holder_.mailbox.IsZero(); }
bool IsSharedMemory() const { return shared_bitmap_ != NULL; }
bool Equals(const TextureMailbox&) const;
const gpu::Mailbox& mailbox() const { return mailbox_holder_.mailbox; }
const int8* name() const { return mailbox().name; }
uint32 target() const { return mailbox_holder_.texture_target; }
uint32 sync_point() const { return mailbox_holder_.sync_point; }
void set_sync_point(int32 sync_point) {
mailbox_holder_.sync_point = sync_point;
bool allow_overlay() const { return allow_overlay_; }
bool nearest_neighbor() const { return nearest_neighbor_; }
void set_nearest_neighbor(bool nearest_neighbor) {
nearest_neighbor_ = nearest_neighbor;
// This is valid if allow_overlau() or IsSharedMemory() is true.
gfx::Size size_in_pixels() const { return size_in_pixels_; }
SharedBitmap* shared_bitmap() const { return shared_bitmap_; }
size_t SharedMemorySizeInBytes() const;
gpu::MailboxHolder mailbox_holder_;
SharedBitmap* shared_bitmap_;
gfx::Size size_in_pixels_;
bool allow_overlay_;
bool nearest_neighbor_;
} // namespace cc