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libs: texture: egl: update EGL display and context
It is required to use the context of the calling thread when wrapping a foreign texture. According the documentation of GstVideoGLTextureUploadMeta: "The caller of gst_video_gl_texture_upload_meta_upload() must have OpenGL set up and call this from a thread where it is valid to upload something to an OpenGL texture." This patch updates the EGL display and context in GstVaapiDisplay instance to the one used by te renderer that uploads the texture. Original-patch-by: Daniel van Vugt <daniel.van.vugt@canonical.com> https://bugzilla.gnome.org/show_bug.cgi?id=773453
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1 changed files with 20 additions and 1 deletions
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@ -252,9 +252,28 @@ static gboolean
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gst_vaapi_texture_egl_create (GstVaapiTextureEGL * texture)
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{
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CreateTextureArgs args = { texture };
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GstVaapiDisplayEGL *display =
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GST_VAAPI_DISPLAY_EGL (GST_VAAPI_OBJECT_DISPLAY (texture));
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if (GST_VAAPI_TEXTURE (texture)->is_wrapped) {
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if (G_UNLIKELY (display->egl_display->base.handle.p !=
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eglGetCurrentDisplay ())) {
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EglDisplay *current_egl_display =
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egl_display_new_wrapped (eglGetCurrentDisplay ());
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if (!current_egl_display)
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return FALSE;
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egl_object_replace (&display->egl_display, current_egl_display);
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egl_object_unref (current_egl_display);
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if (!gst_vaapi_display_egl_set_gl_context (display,
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eglGetCurrentContext ()))
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return FALSE;
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}
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}
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egl_object_replace (&texture->egl_context,
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GST_VAAPI_DISPLAY_EGL_CONTEXT (GST_VAAPI_OBJECT_DISPLAY (texture)));
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GST_VAAPI_DISPLAY_EGL_CONTEXT (display));
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return egl_context_run (texture->egl_context,
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(EglContextRunFunc) do_create_texture, &args) && args.success;
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