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egl: Add EGL_WL_wayland_eglstream helpers

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These are to replace the file descriptor hack currently in use.

https://bugzilla.gnome.org/show_bug.cgi?id=773629
This commit is contained in:
Jonas Ådahl 2016-12-09 11:12:11 +08:00
parent 139bed73f8
commit 0a826da330
3 changed files with 35 additions and 0 deletions
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5
src/backends/meta-egl-ext.h
View File

@ -93,4 +93,9 @@ typedef EGLBoolean (EGLAPIENTRYP PFNEGLSTREAMCONSUMERACQUIREATTRIBNVPROC) (EGLDi
typedef EGLBoolean (EGLAPIENTRYP PFNEGLSTREAMCONSUMERRELEASEATTRIBNVPROC) (EGLDisplay dpy, EGLStreamKHR stream, const EGLAttrib *attrib_list);
#endif /* EGL_NV_stream_attrib */
#ifndef EGL_WL_wayland_eglstream
#define EGL_WL_wayland_eglstream 1
#define EGL_WAYLAND_EGLSTREAM_WL 0x334B
#endif /* EGL_WL_wayland_eglstream */
#endif /* META_EGL_EXT_H */

25
src/backends/meta-egl.c
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@ -56,6 +56,8 @@ struct _MetaEgl
PFNEGLDESTROYSTREAMKHRPROC eglDestroyStreamKHR;
PFNEGLQUERYSTREAMKHRPROC eglQueryStreamKHR;
PFNEGLCREATESTREAMATTRIBNVPROC eglCreateStreamAttribNV;
PFNEGLCREATESTREAMPRODUCERSURFACEKHRPROC eglCreateStreamProducerSurfaceKHR;
PFNEGLSTREAMCONSUMEROUTPUTEXTPROC eglStreamConsumerOutputEXT;
@ -576,6 +578,27 @@ meta_egl_query_stream (MetaEgl *egl,
return TRUE;
}
EGLStreamKHR
meta_egl_create_stream_attrib (MetaEgl *egl,
EGLDisplay display,
const EGLAttrib *attrib_list,
GError **error)
{
EGLStreamKHR stream;
if (!is_egl_proc_valid (egl->eglCreateStreamAttribNV, error))
return FALSE;
stream = egl->eglCreateStreamAttribNV (display, attrib_list);
if (stream == EGL_NO_STREAM_KHR)
{
set_egl_error (error);
return EGL_NO_STREAM_KHR;
}
return stream;
}
EGLSurface
meta_egl_create_stream_producer_surface (MetaEgl *egl,
EGLDisplay display,
@ -729,6 +752,8 @@ meta_egl_constructed (GObject *object)
GET_EGL_PROC_ADDR (eglDestroyStreamKHR);
GET_EGL_PROC_ADDR (eglQueryStreamKHR);
GET_EGL_PROC_ADDR (eglCreateStreamAttribNV);
GET_EGL_PROC_ADDR (eglCreateStreamProducerSurfaceKHR);
GET_EGL_PROC_ADDR (eglStreamConsumerOutputEXT);

5
src/backends/meta-egl.h
View File

@ -129,6 +129,11 @@ gboolean meta_egl_query_stream (MetaEgl *egl,
EGLint *value,
GError **error);
EGLStreamKHR meta_egl_create_stream_attrib (MetaEgl *egl,
EGLDisplay display,
const EGLAttrib *attrib_list,
GError **error);
EGLSurface meta_egl_create_stream_producer_surface (MetaEgl *egl,
EGLDisplay display,
EGLConfig config,