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体验新版 GitCode,发现更多精彩内容 >>
提交
536fb276
编写于
7月 19, 2017
作者:
C
Chinmay Garde
提交者:
GitHub
7月 19, 2017
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
Visualize image decoding and texture upload using trace flows. (#3907)
上级
53c9a702
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
25 addition
and
11 deletion
+25
-11
lib/ui/painting/image_decoding.cc
lib/ui/painting/image_decoding.cc
+25
-11
未找到文件。
lib/ui/painting/image_decoding.cc
浏览文件 @
536fb276
...
...
@@ -23,7 +23,10 @@ using tonic::ToDart;
namespace
blink
{
namespace
{
sk_sp
<
SkImage
>
DecodeImage
(
sk_sp
<
SkData
>
buffer
)
{
static
constexpr
const
char
*
kDecodeImageTraceTag
=
"DecodeImage"
;
sk_sp
<
SkImage
>
DecodeImage
(
sk_sp
<
SkData
>
buffer
,
size_t
trace_id
)
{
TRACE_FLOW_STEP
(
"flutter"
,
kDecodeImageTraceTag
,
trace_id
);
TRACE_EVENT0
(
"blink"
,
"DecodeImage"
);
if
(
buffer
==
nullptr
||
buffer
->
isEmpty
())
{
...
...
@@ -42,10 +45,13 @@ sk_sp<SkImage> DecodeImage(sk_sp<SkData> buffer) {
}
void
InvokeImageCallback
(
sk_sp
<
SkImage
>
image
,
std
::
unique_ptr
<
DartPersistentValue
>
callback
)
{
std
::
unique_ptr
<
DartPersistentValue
>
callback
,
size_t
trace_id
)
{
tonic
::
DartState
*
dart_state
=
callback
->
dart_state
().
get
();
if
(
!
dart_state
)
if
(
!
dart_state
)
{
TRACE_FLOW_END
(
"flutter"
,
kDecodeImageTraceTag
,
trace_id
);
return
;
}
tonic
::
DartState
::
Scope
scope
(
dart_state
);
if
(
!
image
)
{
DartInvoke
(
callback
->
value
(),
{
Dart_Null
()});
...
...
@@ -54,30 +60,37 @@ void InvokeImageCallback(sk_sp<SkImage> image,
resultImage
->
set_image
(
std
::
move
(
image
));
DartInvoke
(
callback
->
value
(),
{
ToDart
(
resultImage
)});
}
TRACE_FLOW_END
(
"flutter"
,
kDecodeImageTraceTag
,
trace_id
);
}
void
DecodeImageAndInvokeImageCallback
(
std
::
unique_ptr
<
DartPersistentValue
>
callback
,
sk_sp
<
SkData
>
buffer
)
{
sk_sp
<
SkImage
>
image
=
DecodeImage
(
std
::
move
(
buffer
));
Threads
::
UI
()
->
PostTask
(
ftl
::
MakeCopyable
([
callback
=
std
::
move
(
callback
),
image
]()
mutable
{
InvokeImageCallback
(
image
,
std
::
move
(
callback
));
}));
sk_sp
<
SkData
>
buffer
,
size_t
trace_id
)
{
sk_sp
<
SkImage
>
image
=
DecodeImage
(
std
::
move
(
buffer
),
trace_id
);
Threads
::
UI
()
->
PostTask
(
ftl
::
MakeCopyable
([
callback
=
std
::
move
(
callback
),
image
,
trace_id
]()
mutable
{
InvokeImageCallback
(
image
,
std
::
move
(
callback
),
trace_id
);
}));
}
void
DecodeImageFromList
(
Dart_NativeArguments
args
)
{
static
size_t
trace_counter
=
1
;
const
size_t
trace_id
=
trace_counter
++
;
TRACE_FLOW_BEGIN
(
"flutter"
,
kDecodeImageTraceTag
,
trace_id
);
Dart_Handle
exception
=
nullptr
;
tonic
::
Uint8List
list
=
tonic
::
DartConverter
<
tonic
::
Uint8List
>::
FromArguments
(
args
,
0
,
exception
);
if
(
exception
)
{
TRACE_FLOW_END
(
"flutter"
,
kDecodeImageTraceTag
,
trace_id
);
Dart_ThrowException
(
exception
);
return
;
}
Dart_Handle
callback_handle
=
Dart_GetNativeArgument
(
args
,
1
);
if
(
!
Dart_IsClosure
(
callback_handle
))
{
TRACE_FLOW_END
(
"flutter"
,
kDecodeImageTraceTag
,
trace_id
);
Dart_ThrowException
(
ToDart
(
"Callback must be a function"
));
return
;
}
...
...
@@ -87,9 +100,10 @@ void DecodeImageFromList(Dart_NativeArguments args) {
Threads
::
IO
()
->
PostTask
(
ftl
::
MakeCopyable
([
callback
=
std
::
make_unique
<
DartPersistentValue
>
(
tonic
::
DartState
::
Current
(),
callback_handle
),
buffer
=
std
::
move
(
buffer
)
buffer
=
std
::
move
(
buffer
)
,
trace_id
]()
mutable
{
DecodeImageAndInvokeImageCallback
(
std
::
move
(
callback
),
std
::
move
(
buffer
));
DecodeImageAndInvokeImageCallback
(
std
::
move
(
callback
),
std
::
move
(
buffer
),
trace_id
);
}));
}
...
...
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