OLD | NEW |
| (Empty) |
1 // Copyright 2013 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "cc/resources/texture_mailbox.h" | |
6 | |
7 #include "base/logging.h" | |
8 #include "cc/resources/shared_bitmap.h" | |
9 | |
10 namespace cc { | |
11 | |
12 TextureMailbox::TextureMailbox() : shared_bitmap_(NULL) { | |
13 } | |
14 | |
15 TextureMailbox::TextureMailbox(const gpu::MailboxHolder& mailbox_holder) | |
16 : mailbox_holder_(mailbox_holder), | |
17 shared_bitmap_(NULL), | |
18 allow_overlay_(false), | |
19 nearest_neighbor_(false) { | |
20 } | |
21 | |
22 TextureMailbox::TextureMailbox(const gpu::Mailbox& mailbox, | |
23 uint32 target, | |
24 uint32 sync_point) | |
25 : mailbox_holder_(mailbox, target, sync_point), | |
26 shared_bitmap_(NULL), | |
27 allow_overlay_(false), | |
28 nearest_neighbor_(false) { | |
29 } | |
30 | |
31 TextureMailbox::TextureMailbox(SharedBitmap* shared_bitmap, | |
32 const gfx::Size& size) | |
33 : shared_bitmap_(shared_bitmap), | |
34 shared_memory_size_(size), | |
35 allow_overlay_(false), | |
36 nearest_neighbor_(false) { | |
37 // If an embedder of cc gives an invalid TextureMailbox, we should crash | |
38 // here to identify the offender. | |
39 CHECK(SharedBitmap::VerifySizeInBytes(shared_memory_size_)); | |
40 } | |
41 | |
42 TextureMailbox::~TextureMailbox() {} | |
43 | |
44 bool TextureMailbox::Equals(const TextureMailbox& other) const { | |
45 if (other.IsTexture()) { | |
46 return IsTexture() && !memcmp(mailbox_holder_.mailbox.name, | |
47 other.mailbox_holder_.mailbox.name, | |
48 sizeof(mailbox_holder_.mailbox.name)); | |
49 } else if (other.IsSharedMemory()) { | |
50 return IsSharedMemory() && (shared_bitmap_ == other.shared_bitmap_); | |
51 } | |
52 | |
53 DCHECK(!other.IsValid()); | |
54 return !IsValid(); | |
55 } | |
56 | |
57 size_t TextureMailbox::SharedMemorySizeInBytes() const { | |
58 // UncheckedSizeInBytes is okay because we VerifySizeInBytes in the | |
59 // constructor and the field is immutable. | |
60 return SharedBitmap::UncheckedSizeInBytes(shared_memory_size_); | |
61 } | |
62 | |
63 } // namespace cc | |
OLD | NEW |