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gl/rpi: change dispmanx attributes of existing element instead of creating a new one

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I was lucky that:
e1 = vc_dispmanx_element_add ()
eglCreateWindowSurface (e1)
vc_dispmanx_element_remove (e1)
e2 = vc_dispmanx_element_add ()

resulted in having e2 equal to e1. And also having the egl surface
that does not allocate its buffers before the first draw.
This commit is contained in:
Julien Isorce 2014-04-24 14:50:57 +01:00
parent 9bae6a9c2e
commit 562399a71a
1 changed files with 9 additions and 7 deletions
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16
gst-libs/gst/gl/dispmanx/gstglwindow_dispmanx_egl.c
View file

@ -263,18 +263,20 @@ window_resize (GstGLWindowDispmanxEGL * window_egl, guint width, guint height)
dispman_update = vc_dispmanx_update_start (0);
if (window_egl->native.element) {
vc_dispmanx_element_remove (dispman_update, window_egl->native.element);
vc_dispmanx_element_change_attributes (dispman_update,
window_egl->native.element, 0x00000110, 0, 0, &dst_rect, &src_rect, 0,
0);
} else {
window_egl->native.element = vc_dispmanx_element_add (dispman_update,
window_egl->display, 0, &dst_rect, 0, &src_rect,
DISPMANX_PROTECTION_NONE, &alpha, 0, 0);
}
window_egl->native.element = vc_dispmanx_element_add (dispman_update,
window_egl->display, 0, &dst_rect, 0, &src_rect,
DISPMANX_PROTECTION_NONE, &alpha, 0, 0);
vc_dispmanx_update_submit_sync (dispman_update);
if (GST_GL_WINDOW (window_egl)->resize)
GST_GL_WINDOW (window_egl)->
resize (GST_GL_WINDOW (window_egl)->resize_data, width, height);
GST_GL_WINDOW (window_egl)->resize (GST_GL_WINDOW (window_egl)->
resize_data, width, height);
}
window_egl->native.width = width;