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egl: Add vfuncs needed for client EGLStream surfaces

Browse Source 
https://bugzilla.gnome.org/show_bug.cgi?id=773629
This commit is contained in:
Jonas Ådahl 2016-10-20 16:44:18 +08:00
parent 1f0ce80fb4
commit f5bdf75f70
2 changed files with 57 additions and 0 deletions
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47
src/backends/meta-egl.c
View File

@ -63,6 +63,10 @@ struct _MetaEgl
PFNEGLSTREAMCONSUMERACQUIREATTRIBEXTPROC eglStreamConsumerAcquireAttribEXT;
PFNEGLSTREAMCONSUMERGLTEXTUREEXTERNALKHRPROC eglStreamConsumerGLTextureExternalKHR;
PFNEGLSTREAMCONSUMERACQUIREKHRPROC eglStreamConsumerAcquireKHR;
PFNEGLCREATESTREAMFROMFILEDESCRIPTORKHRPROC eglCreateStreamFromFileDescriptorKHR;
};
G_DEFINE_TYPE (MetaEgl, meta_egl, G_TYPE_OBJECT)
@ -655,6 +659,45 @@ meta_egl_stream_consumer_gl_texture_external (MetaEgl *egl,
return TRUE;
}
gboolean
meta_egl_stream_consumer_acquire (MetaEgl *egl,
EGLDisplay display,
EGLStreamKHR stream,
GError **error)
{
if (!is_egl_proc_valid (egl->eglStreamConsumerAcquireKHR, error))
return FALSE;
if (!egl->eglStreamConsumerAcquireKHR (display, stream))
{
set_egl_error (error);
return FALSE;
}
return TRUE;
}
EGLStreamKHR
meta_egl_create_stream_from_file_descriptor (MetaEgl *egl,
EGLDisplay display,
EGLNativeFileDescriptorKHR file_descriptor,
GError **error)
{
EGLStreamKHR stream;
if (!is_egl_proc_valid (egl->eglCreateStreamFromFileDescriptorKHR, error))
return EGL_NO_STREAM_KHR;
stream = egl->eglCreateStreamFromFileDescriptorKHR (display, file_descriptor);
if (stream == EGL_NO_STREAM_KHR)
{
set_egl_error (error);
return EGL_NO_STREAM_KHR;
}
return stream;
}
#define GET_EGL_PROC_ADDR(proc) \
egl->proc = (void *) eglGetProcAddress (#proc);
@ -694,6 +737,10 @@ meta_egl_constructed (GObject *object)
GET_EGL_PROC_ADDR (eglStreamConsumerAcquireAttribEXT);
GET_EGL_PROC_ADDR (eglStreamConsumerGLTextureExternalKHR);
GET_EGL_PROC_ADDR (eglStreamConsumerAcquireKHR);
GET_EGL_PROC_ADDR (eglCreateStreamFromFileDescriptorKHR);
}
#undef GET_EGL_PROC_ADDR

10
src/backends/meta-egl.h
View File

@ -148,9 +148,19 @@ gboolean meta_egl_stream_consumer_acquire_attrib (MetaEgl *egl,
EGLAttrib *attrib_list,
GError **error);
gboolean meta_egl_stream_consumer_acquire (MetaEgl *egl,
EGLDisplay display,
EGLStreamKHR stream,
GError **error);
gboolean meta_egl_stream_consumer_gl_texture_external (MetaEgl *egl,
EGLDisplay display,
EGLStreamKHR stream,
GError **error);
EGLStreamKHR meta_egl_create_stream_from_file_descriptor (MetaEgl *egl,
EGLDisplay display,
EGLNativeFileDescriptorKHR file_descriptor,
GError **error);
#endif /* META_EGL_H */