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videolan
vlc-gpu
Commits
85bc552c
Commit
85bc552c
authored
Jun 24, 2011
by
Laurent Aimar
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Plain Diff
Added planar YUV > 8 bits support to opengl when possible.
parent
a4903675
Changes
1
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Showing
1 changed file
with
34 additions
and
3 deletions
+34
-3
modules/video_output/opengl.c
modules/video_output/opengl.c
+34
-3
No files found.
modules/video_output/opengl.c
View file @
85bc552c
...
@@ -147,6 +147,22 @@ static inline int GetAlignedSize(unsigned size)
...
@@ -147,6 +147,22 @@ static inline int GetAlignedSize(unsigned size)
return
((
align
>>
1
)
==
size
)
?
size
:
align
;
return
((
align
>>
1
)
==
size
)
?
size
:
align
;
}
}
static
bool
IsLuminance16Supported
(
int
target
)
{
GLuint
texture
;
glGenTextures
(
1
,
&
texture
);
glBindTexture
(
target
,
texture
);
glTexImage2D
(
target
,
0
,
GL_LUMINANCE16
,
64
,
64
,
0
,
GL_LUMINANCE
,
GL_UNSIGNED_SHORT
,
NULL
);
GLint
size
=
0
;
glGetTexLevelParameteriv
(
target
,
0
,
GL_TEXTURE_LUMINANCE_SIZE
,
&
size
);
glDeleteTextures
(
1
,
&
texture
);
return
size
==
16
;
}
vout_display_opengl_t
*
vout_display_opengl_New
(
video_format_t
*
fmt
,
vout_display_opengl_t
*
vout_display_opengl_New
(
video_format_t
*
fmt
,
const
vlc_fourcc_t
**
subpicture_chromas
,
const
vlc_fourcc_t
**
subpicture_chromas
,
vlc_gl_t
*
gl
)
vlc_gl_t
*
gl
)
...
@@ -236,6 +252,7 @@ vout_display_opengl_t *vout_display_opengl_New(video_format_t *fmt,
...
@@ -236,6 +252,7 @@ vout_display_opengl_t *vout_display_opengl_New(video_format_t *fmt,
#endif
#endif
/* Use YUV if possible and needed */
/* Use YUV if possible and needed */
bool
need_fs_yuv
=
false
;
bool
need_fs_yuv
=
false
;
float
yuv_range_correction
=
1
.
0
;
if
(
supports_fp
&&
supports_multitexture
&&
max_texture_units
>=
3
&&
if
(
supports_fp
&&
supports_multitexture
&&
max_texture_units
>=
3
&&
vlc_fourcc_IsYUV
(
fmt
->
i_chroma
)
&&
!
vlc_fourcc_IsYUV
(
vgl
->
fmt
.
i_chroma
))
{
vlc_fourcc_IsYUV
(
fmt
->
i_chroma
)
&&
!
vlc_fourcc_IsYUV
(
vgl
->
fmt
.
i_chroma
))
{
const
vlc_fourcc_t
*
list
=
vlc_fourcc_GetYUVFallback
(
fmt
->
i_chroma
);
const
vlc_fourcc_t
*
list
=
vlc_fourcc_GetYUVFallback
(
fmt
->
i_chroma
);
...
@@ -248,6 +265,17 @@ vout_display_opengl_t *vout_display_opengl_New(video_format_t *fmt,
...
@@ -248,6 +265,17 @@ vout_display_opengl_t *vout_display_opengl_New(video_format_t *fmt,
vgl
->
tex_format
=
GL_LUMINANCE
;
vgl
->
tex_format
=
GL_LUMINANCE
;
vgl
->
tex_internal
=
GL_LUMINANCE
;
vgl
->
tex_internal
=
GL_LUMINANCE
;
vgl
->
tex_type
=
GL_UNSIGNED_BYTE
;
vgl
->
tex_type
=
GL_UNSIGNED_BYTE
;
yuv_range_correction
=
1
.
0
;
break
;
}
else
if
(
dsc
&&
dsc
->
plane_count
==
3
&&
dsc
->
pixel_size
==
2
&&
IsLuminance16Supported
(
vgl
->
tex_target
))
{
need_fs_yuv
=
true
;
vgl
->
fmt
=
*
fmt
;
vgl
->
fmt
.
i_chroma
=
*
list
;
vgl
->
tex_format
=
GL_LUMINANCE
;
vgl
->
tex_internal
=
GL_LUMINANCE16
;
vgl
->
tex_type
=
GL_UNSIGNED_SHORT
;
yuv_range_correction
=
(
float
)((
1
<<
16
)
-
1
)
/
((
1
<<
dsc
->
pixel_bits
)
-
1
);
break
;
break
;
}
}
list
++
;
list
++
;
...
@@ -330,9 +358,12 @@ vout_display_opengl_t *vout_display_opengl_New(video_format_t *fmt,
...
@@ -330,9 +358,12 @@ vout_display_opengl_t *vout_display_opengl_New(video_format_t *fmt,
swap_uv
?
'y'
:
'z'
)
<
0
)
swap_uv
?
'y'
:
'z'
)
<
0
)
code
=
NULL
;
code
=
NULL
;
for
(
int
i
=
0
;
i
<
4
;
i
++
)
for
(
int
i
=
0
;
i
<
4
;
i
++
)
{
for
(
int
j
=
0
;
j
<
4
;
j
++
)
float
correction
=
i
<
3
?
yuv_range_correction
:
1
.
0
;
vgl
->
local_value
[
vgl
->
local_count
+
i
][
j
]
=
j
<
3
?
matrix
[
j
][
i
]
:
0
.
0
;
for
(
int
j
=
0
;
j
<
4
;
j
++
)
{
vgl
->
local_value
[
vgl
->
local_count
+
i
][
j
]
=
j
<
3
?
correction
*
matrix
[
j
][
i
]
:
0
.
0
;
}
}
vgl
->
local_count
+=
4
;
vgl
->
local_count
+=
4
;
}
}
if
(
code
)
{
if
(
code
)
{
...
...
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