gstreamer-rs/gstreamer-gl/src/gl_context.rs
Bilal Elmoussaoui 4ebec84f5e Adapt to no longer renamed ffi crates
Allows us to set all the crates in the main workspace file, so changing
their versions or branch is much simpler and reduce the amount of noise
in the diff

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1450>
2024-06-02 11:20:55 +02:00

95 lines
3 KiB
Rust

// Take a look at the license at the top of the repository in the LICENSE file.
use glib::{prelude::*, translate::*};
use libc::uintptr_t;
use crate::{ffi, GLContext, GLDisplay, GLPlatform, GLAPI};
impl GLContext {
pub unsafe fn new_wrapped<T: IsA<GLDisplay>>(
display: &T,
handle: uintptr_t,
context_type: GLPlatform,
available_apis: GLAPI,
) -> Option<Self> {
from_glib_full(ffi::gst_gl_context_new_wrapped(
display.as_ref().to_glib_none().0,
handle,
context_type.into_glib(),
available_apis.into_glib(),
))
}
#[doc(alias = "get_current_gl_context")]
#[doc(alias = "gst_gl_context_get_current_gl_context")]
pub fn current_gl_context(context_type: GLPlatform) -> uintptr_t {
skip_assert_initialized!();
unsafe { ffi::gst_gl_context_get_current_gl_context(context_type.into_glib()) as uintptr_t }
}
#[doc(alias = "get_proc_address_with_platform")]
#[doc(alias = "gst_gl_context_get_proc_address_with_platform")]
pub fn proc_address_with_platform(
context_type: GLPlatform,
gl_api: GLAPI,
name: &str,
) -> uintptr_t {
skip_assert_initialized!();
unsafe {
ffi::gst_gl_context_get_proc_address_with_platform(
context_type.into_glib(),
gl_api.into_glib(),
name.to_glib_none().0,
) as uintptr_t
}
}
}
mod sealed {
pub trait Sealed {}
impl<T: super::IsA<super::GLContext>> Sealed for T {}
}
pub trait GLContextExtManual: sealed::Sealed + IsA<GLContext> + 'static {
#[doc(alias = "get_gl_context")]
#[doc(alias = "gst_gl_context_get_gl_context")]
fn gl_context(&self) -> uintptr_t {
unsafe { ffi::gst_gl_context_get_gl_context(self.as_ref().to_glib_none().0) as uintptr_t }
}
#[doc(alias = "get_proc_address")]
#[doc(alias = "gst_gl_context_get_proc_address")]
fn proc_address(&self, name: &str) -> uintptr_t {
unsafe {
ffi::gst_gl_context_get_proc_address(
self.as_ref().to_glib_none().0,
name.to_glib_none().0,
) as uintptr_t
}
}
#[doc(alias = "gst_gl_context_thread_add")]
fn thread_add<F: FnOnce(&Self) + Send>(&self, func: F) {
let mut func = std::mem::ManuallyDrop::new(func);
let user_data: *mut F = &mut *func;
unsafe extern "C" fn trampoline<O: IsA<GLContext>, F: FnOnce(&O) + Send>(
context: *mut ffi::GstGLContext,
data: glib::ffi::gpointer,
) {
let func = std::ptr::read(data as *mut F);
let context = GLContext::from_glib_borrow(context);
func(context.unsafe_cast_ref())
}
unsafe {
ffi::gst_gl_context_thread_add(
self.as_ref().to_glib_none().0,
Some(trampoline::<Self, F>),
user_data as glib::ffi::gpointer,
);
}
}
}
impl<O: IsA<GLContext>> GLContextExtManual for O {}