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3e34cec9
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体验新版 GitCode,发现更多精彩内容 >>
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3e34cec9
编写于
2月 03, 2021
作者:
A
Alexander Alekhin
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差异文件
Merge pull request #19408 from crackwitz:ogl-wndprop-vsync
上级
6ca46afa
ab0e1c57
变更
4
隐藏空白更改
内联
并排
Showing
4 changed file
with
104 addition
and
1 deletion
+104
-1
modules/highgui/include/opencv2/highgui.hpp
modules/highgui/include/opencv2/highgui.hpp
+2
-1
modules/highgui/src/precomp.hpp
modules/highgui/src/precomp.hpp
+3
-0
modules/highgui/src/window.cpp
modules/highgui/src/window.cpp
+16
-0
modules/highgui/src/window_w32.cpp
modules/highgui/src/window_w32.cpp
+83
-0
未找到文件。
modules/highgui/include/opencv2/highgui.hpp
浏览文件 @
3e34cec9
...
...
@@ -202,7 +202,8 @@ enum WindowPropertyFlags {
WND_PROP_ASPECT_RATIO
=
2
,
//!< window's aspect ration (can be set to WINDOW_FREERATIO or WINDOW_KEEPRATIO).
WND_PROP_OPENGL
=
3
,
//!< opengl support.
WND_PROP_VISIBLE
=
4
,
//!< checks whether the window exists and is visible
WND_PROP_TOPMOST
=
5
//!< property to toggle normal window being topmost or not
WND_PROP_TOPMOST
=
5
,
//!< property to toggle normal window being topmost or not
WND_PROP_VSYNC
=
6
//!< enable or disable VSYNC (in OpenGL mode)
};
//! Mouse Events see cv::MouseCallback
...
...
modules/highgui/src/precomp.hpp
浏览文件 @
3e34cec9
...
...
@@ -115,6 +115,9 @@ double cvGetPropTopmost_COCOA(const char* name);
void
cvSetPropTopmost_W32
(
const
char
*
name
,
const
bool
topmost
);
void
cvSetPropTopmost_COCOA
(
const
char
*
name
,
const
bool
topmost
);
double
cvGetPropVsync_W32
(
const
char
*
name
);
void
cvSetPropVsync_W32
(
const
char
*
name
,
const
bool
enabled
);
//for QT
#if defined (HAVE_QT)
CvRect
cvGetWindowRect_QT
(
const
char
*
name
);
...
...
modules/highgui/src/window.cpp
浏览文件 @
3e34cec9
...
...
@@ -92,6 +92,14 @@ CV_IMPL void cvSetWindowProperty(const char* name, int prop_id, double prop_valu
#endif
break
;
case
cv
::
WND_PROP_VSYNC
:
#if defined (HAVE_WIN32UI)
cvSetPropVsync_W32
(
name
,
(
prop_value
!=
0
));
#else
// not implemented yet for other toolkits
#endif
break
;
default:
;
}
}
...
...
@@ -182,6 +190,14 @@ CV_IMPL double cvGetWindowProperty(const char* name, int prop_id)
#endif
break
;
case
cv
::
WND_PROP_VSYNC
:
#if defined (HAVE_WIN32UI)
return
cvGetPropVsync_W32
(
name
);
#else
return
-
1
;
#endif
break
;
default:
return
-
1
;
}
...
...
modules/highgui/src/window_w32.cpp
浏览文件 @
3e34cec9
...
...
@@ -596,6 +596,89 @@ void cvSetPropTopmost_W32(const char* name, const bool topmost)
}
}
double
cvGetPropVsync_W32
(
const
char
*
name
)
{
#ifndef HAVE_OPENGL
CV_UNUSED
(
name
);
CV_Error
(
Error
::
OpenGlNotSupported
,
"Library was built without OpenGL support"
);
#else
if
(
!
name
)
CV_Error
(
Error
::
StsNullPtr
,
"'name' argument must not be NULL"
);
CvWindow
*
window
=
icvFindWindowByName
(
name
);
if
(
!
window
)
CV_Error_
(
Error
::
StsBadArg
,
(
"there is no window named '%s'"
,
name
));
// https://www.khronos.org/opengl/wiki/Swap_Interval
// https://www.khronos.org/registry/OpenGL/extensions/EXT/WGL_EXT_extensions_string.txt
// https://www.khronos.org/registry/OpenGL/extensions/EXT/WGL_EXT_swap_control.txt
if
(
!
wglMakeCurrent
(
window
->
dc
,
window
->
hGLRC
))
CV_Error
(
Error
::
OpenGlApiCallError
,
"Can't Activate The GL Rendering Context"
);
typedef
const
char
*
(
APIENTRY
*
PFNWGLGETEXTENSIONSSTRINGEXTPROC
)(
void
);
PFNWGLGETEXTENSIONSSTRINGEXTPROC
wglGetExtensionsString
=
NULL
;
wglGetExtensionsString
=
(
PFNWGLGETEXTENSIONSSTRINGEXTPROC
)
wglGetProcAddress
(
"wglGetExtensionsStringEXT"
);
if
(
wglGetExtensionsString
==
NULL
)
return
-
1
;
// wglGetProcAddress failed to get wglGetExtensionsStringEXT
const
char
*
wgl_extensions
=
wglGetExtensionsString
();
if
(
wgl_extensions
==
NULL
)
return
-
1
;
// Can't get WGL extensions string
if
(
strstr
(
wgl_extensions
,
"WGL_EXT_swap_control"
)
==
NULL
)
return
-
1
;
// WGL extensions don't contain WGL_EXT_swap_control
typedef
int
(
APIENTRY
*
PFNWGLGETSWAPINTERVALPROC
)(
void
);
PFNWGLGETSWAPINTERVALPROC
wglGetSwapInterval
=
0
;
wglGetSwapInterval
=
(
PFNWGLGETSWAPINTERVALPROC
)
wglGetProcAddress
(
"wglGetSwapIntervalEXT"
);
if
(
wglGetSwapInterval
==
NULL
)
return
-
1
;
// wglGetProcAddress failed to get wglGetSwapIntervalEXT
return
wglGetSwapInterval
();
#endif
}
void
cvSetPropVsync_W32
(
const
char
*
name
,
const
bool
enable_vsync
)
{
#ifndef HAVE_OPENGL
CV_UNUSED
(
name
);
CV_UNUSED
(
enable_vsync
);
CV_Error
(
Error
::
OpenGlNotSupported
,
"Library was built without OpenGL support"
);
#else
if
(
!
name
)
CV_Error
(
Error
::
StsNullPtr
,
"'name' argument must not be NULL"
);
CvWindow
*
window
=
icvFindWindowByName
(
name
);
if
(
!
window
)
CV_Error_
(
Error
::
StsBadArg
,
(
"there is no window named '%s'"
,
name
));
if
(
!
wglMakeCurrent
(
window
->
dc
,
window
->
hGLRC
))
CV_Error
(
Error
::
OpenGlApiCallError
,
"Can't Activate The GL Rendering Context"
);
typedef
const
char
*
(
APIENTRY
*
PFNWGLGETEXTENSIONSSTRINGEXTPROC
)(
void
);
PFNWGLGETEXTENSIONSSTRINGEXTPROC
wglGetExtensionsString
=
NULL
;
wglGetExtensionsString
=
(
PFNWGLGETEXTENSIONSSTRINGEXTPROC
)
wglGetProcAddress
(
"wglGetExtensionsStringEXT"
);
if
(
wglGetExtensionsString
==
NULL
)
CV_Error
(
Error
::
OpenGlApiCallError
,
"wglGetProcAddress failed to get wglGetExtensionsStringEXT"
);
const
char
*
wgl_extensions
=
wglGetExtensionsString
();
if
(
wgl_extensions
==
NULL
)
CV_Error
(
Error
::
OpenGlApiCallError
,
"Can't get WGL extensions string"
);
if
(
strstr
(
wgl_extensions
,
"WGL_EXT_swap_control"
)
==
NULL
)
CV_Error
(
Error
::
OpenGlApiCallError
,
"WGL extensions don't contain WGL_EXT_swap_control"
);
typedef
BOOL
(
APIENTRY
*
PFNWGLSWAPINTERVALPROC
)(
int
);
PFNWGLSWAPINTERVALPROC
wglSwapInterval
=
0
;
wglSwapInterval
=
(
PFNWGLSWAPINTERVALPROC
)
wglGetProcAddress
(
"wglSwapIntervalEXT"
);
if
(
wglSwapInterval
==
NULL
)
CV_Error
(
Error
::
OpenGlApiCallError
,
"wglGetProcAddress failed to get wglSwapIntervalEXT"
);
wglSwapInterval
(
enable_vsync
);
#endif
}
void
cv
::
setWindowTitle
(
const
String
&
winname
,
const
String
&
title
)
{
CvWindow
*
window
=
icvFindWindowByName
(
winname
.
c_str
());
...
...
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