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wine
wine-winehq
Commits
8d0d95c0
Commit
8d0d95c0
authored
Mar 06, 2013
by
Ken Thomases
Committed by
Alexandre Julliard
Mar 06, 2013
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Plain Diff
winemac: Implement WGL_ARB_make_current_read.
parent
3f3ee639
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1 changed file
with
184 additions
and
51 deletions
+184
-51
opengl.c
dlls/winemac.drv/opengl.c
+184
-51
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dlls/winemac.drv/opengl.c
View file @
8d0d95c0
...
...
@@ -57,7 +57,8 @@ struct wgl_context
int
format
;
macdrv_opengl_context
context
;
CGLContextObj
cglcontext
;
macdrv_view
view
;
macdrv_view
draw_view
;
macdrv_view
read_view
;
BOOL
has_been_current
;
BOOL
sharing
;
};
...
...
@@ -70,6 +71,11 @@ static const char *opengl_func_names[] = { ALL_WGL_FUNCS };
#undef USE_GL_FUNC
static
void
(
*
pglCopyColorTable
)(
GLenum
target
,
GLenum
internalformat
,
GLint
x
,
GLint
y
,
GLsizei
width
);
static
void
(
*
pglCopyPixels
)(
GLint
x
,
GLint
y
,
GLsizei
width
,
GLsizei
height
,
GLenum
type
);
static
void
(
*
pglReadPixels
)(
GLint
x
,
GLint
y
,
GLsizei
width
,
GLsizei
height
,
GLenum
format
,
GLenum
type
,
void
*
pixels
);
static
void
(
*
pglViewport
)(
GLint
x
,
GLint
y
,
GLsizei
width
,
GLsizei
height
);
...
...
@@ -1263,6 +1269,87 @@ void set_gl_view_parent(HWND hwnd, HWND parent)
/**********************************************************************
* make_context_current
*/
static
void
make_context_current
(
struct
wgl_context
*
context
,
BOOL
read
)
{
macdrv_view
view
=
read
?
context
->
read_view
:
context
->
draw_view
;
macdrv_make_context_current
(
context
->
context
,
view
);
}
/**********************************************************************
* macdrv_glCopyColorTable
*
* Hook into glCopyColorTable as part of the implementation of
* wglMakeContextCurrentARB. If the context has a separate readable,
* temporarily make that current, do glCopyColorTable, and then set it
* back to the drawable. This is modeled after what Mesa GLX's Apple
* implementation does.
*/
static
void
macdrv_glCopyColorTable
(
GLenum
target
,
GLenum
internalformat
,
GLint
x
,
GLint
y
,
GLsizei
width
)
{
struct
wgl_context
*
context
=
NtCurrentTeb
()
->
glContext
;
if
(
context
->
read_view
)
make_context_current
(
context
,
TRUE
);
pglCopyColorTable
(
target
,
internalformat
,
x
,
y
,
width
);
if
(
context
->
read_view
)
make_context_current
(
context
,
FALSE
);
}
/**********************************************************************
* macdrv_glCopyPixels
*
* Hook into glCopyPixels as part of the implementation of
* wglMakeContextCurrentARB. If the context has a separate readable,
* temporarily make that current, do glCopyPixels, and then set it back
* to the drawable. This is modeled after what Mesa GLX's Apple
* implementation does.
*/
static
void
macdrv_glCopyPixels
(
GLint
x
,
GLint
y
,
GLsizei
width
,
GLsizei
height
,
GLenum
type
)
{
struct
wgl_context
*
context
=
NtCurrentTeb
()
->
glContext
;
if
(
context
->
read_view
)
make_context_current
(
context
,
TRUE
);
pglCopyPixels
(
x
,
y
,
width
,
height
,
type
);
if
(
context
->
read_view
)
make_context_current
(
context
,
FALSE
);
}
/**********************************************************************
* macdrv_glReadPixels
*
* Hook into glReadPixels as part of the implementation of
* wglMakeContextCurrentARB. If the context has a separate readable,
* temporarily make that current, do glReadPixels, and then set it back
* to the drawable. This is modeled after what Mesa GLX's Apple
* implementation does.
*/
static
void
macdrv_glReadPixels
(
GLint
x
,
GLint
y
,
GLsizei
width
,
GLsizei
height
,
GLenum
format
,
GLenum
type
,
void
*
pixels
)
{
struct
wgl_context
*
context
=
NtCurrentTeb
()
->
glContext
;
if
(
context
->
read_view
)
make_context_current
(
context
,
TRUE
);
pglReadPixels
(
x
,
y
,
width
,
height
,
format
,
type
,
pixels
);
if
(
context
->
read_view
)
make_context_current
(
context
,
FALSE
);
}
/**********************************************************************
* macdrv_glViewport
*
* Hook into glViewport as an opportunity to update the OpenGL context
...
...
@@ -1304,6 +1391,89 @@ static const GLubyte *macdrv_wglGetExtensionsStringEXT(void)
}
/***********************************************************************
* macdrv_wglMakeContextCurrentARB
*
* WGL_ARB_make_current_read: wglMakeContextCurrentARB
*
* This is not supported directly by OpenGL on the Mac. We emulate it
* by hooking into glReadPixels, glCopyPixels, and glCopyColorTable to
* temporarily swap the drawable. This follows the technique used in
* the implementation of Mesa GLX for Apple.
*/
static
BOOL
macdrv_wglMakeContextCurrentARB
(
HDC
draw_hdc
,
HDC
read_hdc
,
struct
wgl_context
*
context
)
{
struct
macdrv_win_data
*
data
;
HWND
hwnd
;
TRACE
(
"draw_hdc %p read_hdc %p context %p/%p/%p
\n
"
,
draw_hdc
,
read_hdc
,
context
,
(
context
?
context
->
context
:
NULL
),
(
context
?
context
->
cglcontext
:
NULL
));
if
(
!
context
)
{
macdrv_make_context_current
(
NULL
,
NULL
);
NtCurrentTeb
()
->
glContext
=
NULL
;
return
TRUE
;
}
if
((
hwnd
=
WindowFromDC
(
draw_hdc
)))
{
if
(
!
(
data
=
get_win_data
(
hwnd
)))
{
FIXME
(
"draw DC for window %p of other process: not implemented
\n
"
,
hwnd
);
return
FALSE
;
}
if
(
!
data
->
pixel_format
)
{
WARN
(
"no pixel format set
\n
"
);
release_win_data
(
data
);
SetLastError
(
ERROR_INVALID_HANDLE
);
return
FALSE
;
}
if
(
context
->
format
!=
data
->
pixel_format
)
{
WARN
(
"mismatched pixel format draw_hdc %p %u context %p %u
\n
"
,
draw_hdc
,
data
->
pixel_format
,
context
,
context
->
format
);
release_win_data
(
data
);
SetLastError
(
ERROR_INVALID_PIXEL_FORMAT
);
return
FALSE
;
}
context
->
draw_view
=
data
->
gl_view
;
release_win_data
(
data
);
}
else
{
WARN
(
"no window for DC
\n
"
);
SetLastError
(
ERROR_INVALID_HANDLE
);
return
FALSE
;
}
context
->
read_view
=
NULL
;
if
(
read_hdc
&&
read_hdc
!=
draw_hdc
)
{
if
((
hwnd
=
WindowFromDC
(
read_hdc
)))
{
if
((
data
=
get_win_data
(
hwnd
)))
{
if
(
data
->
gl_view
!=
context
->
draw_view
)
context
->
read_view
=
data
->
gl_view
;
release_win_data
(
data
);
}
}
}
TRACE
(
"making context current with draw_view %p read_view %p format %u
\n
"
,
context
->
draw_view
,
context
->
read_view
,
context
->
format
);
make_context_current
(
context
,
FALSE
);
context
->
has_been_current
=
TRUE
;
NtCurrentTeb
()
->
glContext
=
context
;
return
TRUE
;
}
/**********************************************************************
* macdrv_wglSetPixelFormatWINE
*
...
...
@@ -1332,6 +1502,10 @@ static void load_extensions(void)
register_extension
(
"WGL_ARB_extensions_string"
);
opengl_funcs
.
ext
.
p_wglGetExtensionsStringARB
=
macdrv_wglGetExtensionsStringARB
;
register_extension
(
"WGL_ARB_make_current_read"
);
opengl_funcs
.
ext
.
p_wglGetCurrentReadDCARB
=
(
void
*
)
1
;
/* never called */
opengl_funcs
.
ext
.
p_wglMakeContextCurrentARB
=
macdrv_wglMakeContextCurrentARB
;
/* TODO:
WGL_ARB_create_context: wglCreateContextAttribsARB
WGL_ARB_create_context_profile
...
...
@@ -1386,9 +1560,17 @@ static BOOL init_opengl(void)
/* redirect some standard OpenGL functions */
#define REDIRECT(func) \
do { p##func = opengl_funcs.gl.p_##func; opengl_funcs.gl.p_##func = macdrv_##func; } while(0)
REDIRECT
(
glCopyPixels
);
REDIRECT
(
glReadPixels
);
REDIRECT
(
glViewport
);
#undef REDIRECT
/* redirect some OpenGL extension functions */
#define REDIRECT(func) \
do { if (opengl_funcs.ext.p_##func) { p##func = opengl_funcs.ext.p_##func; opengl_funcs.ext.p_##func = macdrv_##func; } } while(0)
REDIRECT
(
glCopyColorTable
);
#undef REDIRECT
if
(
!
init_gl_info
())
goto
failed
;
...
...
@@ -1743,59 +1925,10 @@ static PROC macdrv_wglGetProcAddress(const char *proc)
*/
static
BOOL
macdrv_wglMakeCurrent
(
HDC
hdc
,
struct
wgl_context
*
context
)
{
struct
macdrv_win_data
*
data
;
HWND
hwnd
;
TRACE
(
"hdc %p context %p/%p/%p
\n
"
,
hdc
,
context
,
(
context
?
context
->
context
:
NULL
),
(
context
?
context
->
cglcontext
:
NULL
));
if
(
!
context
)
{
macdrv_make_context_current
(
NULL
,
NULL
);
NtCurrentTeb
()
->
glContext
=
NULL
;
return
TRUE
;
}
if
((
hwnd
=
WindowFromDC
(
hdc
)))
{
if
(
!
(
data
=
get_win_data
(
hwnd
)))
{
FIXME
(
"DC for window %p of other process: not implemented
\n
"
,
hwnd
);
return
FALSE
;
}
if
(
!
data
->
pixel_format
)
{
WARN
(
"no pixel format set
\n
"
);
release_win_data
(
data
);
SetLastError
(
ERROR_INVALID_HANDLE
);
return
FALSE
;
}
if
(
context
->
format
!=
data
->
pixel_format
)
{
WARN
(
"mismatched pixel format hdc %p %u context %p %u
\n
"
,
hdc
,
data
->
pixel_format
,
context
,
context
->
format
);
release_win_data
(
data
);
SetLastError
(
ERROR_INVALID_PIXEL_FORMAT
);
return
FALSE
;
}
context
->
view
=
data
->
gl_view
;
release_win_data
(
data
);
}
else
{
WARN
(
"no window for DC
\n
"
);
SetLastError
(
ERROR_INVALID_HANDLE
);
return
FALSE
;
}
TRACE
(
"making context current with view %p format %u
\n
"
,
context
->
view
,
context
->
format
);
macdrv_make_context_current
(
context
->
context
,
context
->
view
);
context
->
has_been_current
=
TRUE
;
NtCurrentTeb
()
->
glContext
=
context
;
return
TRUE
;
return
macdrv_wglMakeContextCurrentARB
(
hdc
,
hdc
,
context
);
}
/**********************************************************************
...
...
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