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/output/copy_output_request.h"
6
7 #include "base/bind.h"
8 #include "base/callback_helpers.h"
9 #include "base/debug/trace_event.h"
10 #include "base/logging.h"
11 #include "cc/output/copy_output_result.h"
12 #include "cc/resources/texture_mailbox.h"
13 #include "third_party/skia/include/core/SkBitmap.h"
14
15 namespace cc {
16
17 // static
CreateRelayRequest(const CopyOutputRequest & original_request,const CopyOutputRequestCallback & result_callback)18 scoped_ptr<CopyOutputRequest> CopyOutputRequest::CreateRelayRequest(
19 const CopyOutputRequest& original_request,
20 const CopyOutputRequestCallback& result_callback) {
21 scoped_ptr<CopyOutputRequest> relay = CreateRequest(result_callback);
22 relay->force_bitmap_result_ = original_request.force_bitmap_result_;
23 relay->has_area_ = original_request.has_area_;
24 relay->area_ = original_request.area_;
25 relay->has_texture_mailbox_ = original_request.has_texture_mailbox_;
26 relay->texture_mailbox_ = original_request.texture_mailbox_;
27 return relay.Pass();
28 }
29
CopyOutputRequest()30 CopyOutputRequest::CopyOutputRequest() {}
31
CopyOutputRequest(bool force_bitmap_result,const CopyOutputRequestCallback & result_callback)32 CopyOutputRequest::CopyOutputRequest(
33 bool force_bitmap_result,
34 const CopyOutputRequestCallback& result_callback)
35 : force_bitmap_result_(force_bitmap_result),
36 has_area_(false),
37 has_texture_mailbox_(false),
38 result_callback_(result_callback) {
39 DCHECK(!result_callback_.is_null());
40 TRACE_EVENT_ASYNC_BEGIN0("cc", "CopyOutputRequest", this);
41 }
42
~CopyOutputRequest()43 CopyOutputRequest::~CopyOutputRequest() {
44 if (!result_callback_.is_null())
45 SendResult(CopyOutputResult::CreateEmptyResult().Pass());
46 }
47
SendResult(scoped_ptr<CopyOutputResult> result)48 void CopyOutputRequest::SendResult(scoped_ptr<CopyOutputResult> result) {
49 bool success = !result->IsEmpty();
50 base::ResetAndReturn(&result_callback_).Run(result.Pass());
51 TRACE_EVENT_ASYNC_END1("cc", "CopyOutputRequest", this, "success", success);
52 }
53
SendEmptyResult()54 void CopyOutputRequest::SendEmptyResult() {
55 SendResult(CopyOutputResult::CreateEmptyResult().Pass());
56 }
57
SendBitmapResult(scoped_ptr<SkBitmap> bitmap)58 void CopyOutputRequest::SendBitmapResult(scoped_ptr<SkBitmap> bitmap) {
59 SendResult(CopyOutputResult::CreateBitmapResult(bitmap.Pass()).Pass());
60 }
61
SendTextureResult(const gfx::Size & size,const TextureMailbox & texture_mailbox,scoped_ptr<SingleReleaseCallback> release_callback)62 void CopyOutputRequest::SendTextureResult(
63 const gfx::Size& size,
64 const TextureMailbox& texture_mailbox,
65 scoped_ptr<SingleReleaseCallback> release_callback) {
66 DCHECK(texture_mailbox.IsTexture());
67 SendResult(CopyOutputResult::CreateTextureResult(
68 size, texture_mailbox, release_callback.Pass()));
69 }
70
SetTextureMailbox(const TextureMailbox & texture_mailbox)71 void CopyOutputRequest::SetTextureMailbox(
72 const TextureMailbox& texture_mailbox) {
73 DCHECK(!force_bitmap_result_);
74 DCHECK(texture_mailbox.IsTexture());
75 has_texture_mailbox_ = true;
76 texture_mailbox_ = texture_mailbox;
77 }
78
79 } // namespace cc
80