mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer-rs.git
synced 2024-09-27 14:30:36 +00:00
95 lines
3 KiB
Rust
95 lines
3 KiB
Rust
// Take a look at the license at the top of the repository in the LICENSE file.
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use glib::{prelude::*, translate::*};
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use libc::uintptr_t;
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use crate::{GLContext, GLDisplay, GLPlatform, GLAPI};
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impl GLContext {
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pub unsafe fn new_wrapped<T: IsA<GLDisplay>>(
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display: &T,
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handle: uintptr_t,
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context_type: GLPlatform,
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available_apis: GLAPI,
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) -> Option<Self> {
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from_glib_full(ffi::gst_gl_context_new_wrapped(
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display.as_ref().to_glib_none().0,
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handle,
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context_type.into_glib(),
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available_apis.into_glib(),
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))
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}
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#[doc(alias = "get_current_gl_context")]
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#[doc(alias = "gst_gl_context_get_current_gl_context")]
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pub fn current_gl_context(context_type: GLPlatform) -> uintptr_t {
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skip_assert_initialized!();
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unsafe { ffi::gst_gl_context_get_current_gl_context(context_type.into_glib()) as uintptr_t }
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}
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#[doc(alias = "get_proc_address_with_platform")]
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#[doc(alias = "gst_gl_context_get_proc_address_with_platform")]
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pub fn proc_address_with_platform(
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context_type: GLPlatform,
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gl_api: GLAPI,
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name: &str,
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) -> uintptr_t {
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skip_assert_initialized!();
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unsafe {
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ffi::gst_gl_context_get_proc_address_with_platform(
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context_type.into_glib(),
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gl_api.into_glib(),
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name.to_glib_none().0,
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) as uintptr_t
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}
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}
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}
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mod sealed {
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pub trait Sealed {}
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impl<T: super::IsA<super::GLContext>> Sealed for T {}
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}
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pub trait GLContextExtManual: sealed::Sealed + IsA<GLContext> + 'static {
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#[doc(alias = "get_gl_context")]
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#[doc(alias = "gst_gl_context_get_gl_context")]
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fn gl_context(&self) -> uintptr_t {
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unsafe { ffi::gst_gl_context_get_gl_context(self.as_ref().to_glib_none().0) as uintptr_t }
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}
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#[doc(alias = "get_proc_address")]
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#[doc(alias = "gst_gl_context_get_proc_address")]
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fn proc_address(&self, name: &str) -> uintptr_t {
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unsafe {
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ffi::gst_gl_context_get_proc_address(
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self.as_ref().to_glib_none().0,
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name.to_glib_none().0,
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) as uintptr_t
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}
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}
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#[doc(alias = "gst_gl_context_thread_add")]
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fn thread_add<F: FnOnce(&Self) + Send>(&self, func: F) {
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let mut func = std::mem::ManuallyDrop::new(func);
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let user_data: *mut F = &mut *func;
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unsafe extern "C" fn trampoline<O: IsA<GLContext>, F: FnOnce(&O) + Send>(
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context: *mut ffi::GstGLContext,
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data: glib::ffi::gpointer,
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) {
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let func = std::ptr::read(data as *mut F);
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let context = GLContext::from_glib_borrow(context);
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func(context.unsafe_cast_ref())
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}
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unsafe {
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ffi::gst_gl_context_thread_add(
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self.as_ref().to_glib_none().0,
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Some(trampoline::<Self, F>),
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user_data as glib::ffi::gpointer,
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);
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}
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}
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}
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impl<O: IsA<GLContext>> GLContextExtManual for O {}
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