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Support GLX on glupload example

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This commit is contained in:
Víctor Manuel Jáquez Leal 2019-04-02 18:58:39 +02:00
parent b99c582a88
commit 4b3a011882
2 changed files with 46 additions and 19 deletions
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6
examples/Cargo.toml
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@ -27,6 +27,7 @@ cairo-rs = { git = "https://github.com/gtk-rs/cairo", features=["use_glib"], opt
pango = { git = "https://github.com/gtk-rs/pango", optional = true }
pangocairo = { git = "https://github.com/gtk-rs/pangocairo", optional = true }
glutin = { version = "0.20", optional = true }
winit = { version = "0.19", optional = true }
[build-dependencies]
gl_generator = { version = "0.10", optional = true }
@ -45,7 +46,9 @@ gst-rtsp-server = ["gstreamer-rtsp-server"]
gst-rtsp-server-record = ["gstreamer-rtsp-server-sys", "gstreamer-rtsp-server", "gstreamer-rtsp", "gio"]
v1_10 = ["gstreamer/v1_10"]
pango-cairo = ["pango", "pangocairo", "cairo-rs"]
gl = ["gstreamer-gl/egl", "gl_generator", "glutin"]
gl = ["gl_generator", "glutin"]
gl-egl = ["gstreamer-gl/egl"]
gl-x11 = ["gstreamer-gl/x11"]
[[bin]]
name = "appsink"
@ -137,3 +140,4 @@ required-features = ["ges"]
[[bin]]
name = "glupload"
required-features = ["gl"]
features = ["gl-egl", "gl-x11"]

59
examples/src/bin/glupload.rs
View file

@ -1,6 +1,6 @@
// This example demostrates how to output GL textures, within an EGL
// context provided by the application, and render those textures in
// the GL application.
// This example demostrates how to output GL textures, within an
// EGL/X11 context provided by the application, and render those
// textures in the GL application.
// {videotestsrc} - { glsinkbin }
@ -355,27 +355,52 @@ impl App {
let windowed_context_ = windowed_context.clone();
let context = windowed_context_.context();
let inner_window = windowed_context_.window();
let shared_context: gst_gl::GLContext;
if cfg!(target_os = "linux") {
use glutin::os::unix::RawHandle;
use glutin::os::ContextTraitExt;
let egl_context = match unsafe { context.raw_handle() } {
RawHandle::Egl(egl_context) => egl_context as usize,
_ => panic!("Invalid platform"),
};
let egl_display = match unsafe { context.get_egl_display() } {
Some(display) => display as usize,
_ => panic!("Invalid platform"),
};
let api = App::map_gl_api(context.get_api());
let platform = gst_gl::GLPlatform::EGL;
let gl_display =
unsafe { gst_gl::GLDisplayEGL::new_with_egl_display(egl_display) }.unwrap();
let (gl_context, gl_display, platform) = match unsafe { context.raw_handle() } {
#[cfg(feature = "gl-egl")]
RawHandle::Egl(egl_context) => {
let gl_display = if let Some(display) = unsafe { context.get_egl_display() } {
unsafe { gst_gl::GLDisplayEGL::new_with_egl_display(display as usize) }
.unwrap()
} else {
panic!("EGL context without EGL display");
};
(
egl_context as usize,
gl_display.upcast::<gst_gl::GLDisplay>(),
gst_gl::GLPlatform::EGL,
)
}
#[cfg(feature = "gl-x11")]
RawHandle::Glx(glx_context) => {
use glutin::os::unix::WindowExt;
let gl_display = if let Some(display) = inner_window.get_xlib_display() {
unsafe { gst_gl::GLDisplayX11::new_with_display(display as usize) }.unwrap()
} else {
panic!("X11 window without X Display");
};
(
glx_context as usize,
gl_display.upcast::<gst_gl::GLDisplay>(),
gst_gl::GLPlatform::GLX,
)
}
_ => panic!("Unsupported platform"),
};
shared_context =
unsafe { gst_gl::GLContext::new_wrapped(&gl_display, egl_context, platform, api) }
unsafe { gst_gl::GLContext::new_wrapped(&gl_display, gl_context, platform, api) }
.unwrap();
shared_context
@ -388,10 +413,8 @@ impl App {
#[allow(clippy::single_match)]
bus.set_sync_handler(move |_, msg| {
use gst::MessageView;
match msg.view() {
MessageView::NeedContext(ctxt) => {
gst::MessageView::NeedContext(ctxt) => {
let context_type = ctxt.get_context_type();
if context_type == *gst_gl::GL_DISPLAY_CONTEXT_TYPE {
if let Some(el) =