| 1 | // Take a look at the license at the top of the repository in the LICENSE file. |
| 2 | |
| 3 | use glib::{prelude::*, translate::*}; |
| 4 | use libc::uintptr_t; |
| 5 | |
| 6 | use crate::{ffi, GLContext, GLDisplay, GLPlatform, GLAPI}; |
| 7 | |
| 8 | impl GLContext { |
| 9 | pub unsafe fn new_wrapped<T: IsA<GLDisplay>>( |
| 10 | display: &T, |
| 11 | handle: uintptr_t, |
| 12 | context_type: GLPlatform, |
| 13 | available_apis: GLAPI, |
| 14 | ) -> Option<Self> { |
| 15 | from_glib_full(ffi::gst_gl_context_new_wrapped( |
| 16 | display.as_ref().to_glib_none().0, |
| 17 | handle, |
| 18 | context_type.into_glib(), |
| 19 | available_apis.into_glib(), |
| 20 | )) |
| 21 | } |
| 22 | |
| 23 | #[doc (alias = "get_current_gl_context" )] |
| 24 | #[doc (alias = "gst_gl_context_get_current_gl_context" )] |
| 25 | pub fn current_gl_context(context_type: GLPlatform) -> uintptr_t { |
| 26 | skip_assert_initialized!(); |
| 27 | unsafe { ffi::gst_gl_context_get_current_gl_context(context_type.into_glib()) as uintptr_t } |
| 28 | } |
| 29 | |
| 30 | #[doc (alias = "get_proc_address_with_platform" )] |
| 31 | #[doc (alias = "gst_gl_context_get_proc_address_with_platform" )] |
| 32 | pub fn proc_address_with_platform( |
| 33 | context_type: GLPlatform, |
| 34 | gl_api: GLAPI, |
| 35 | name: &str, |
| 36 | ) -> uintptr_t { |
| 37 | skip_assert_initialized!(); |
| 38 | unsafe { |
| 39 | ffi::gst_gl_context_get_proc_address_with_platform( |
| 40 | context_type.into_glib(), |
| 41 | gl_api.into_glib(), |
| 42 | name.to_glib_none().0, |
| 43 | ) as uintptr_t |
| 44 | } |
| 45 | } |
| 46 | } |
| 47 | |
| 48 | mod sealed { |
| 49 | pub trait Sealed {} |
| 50 | impl<T: super::IsA<super::GLContext>> Sealed for T {} |
| 51 | } |
| 52 | |
| 53 | pub trait GLContextExtManual: sealed::Sealed + IsA<GLContext> + 'static { |
| 54 | #[doc (alias = "get_gl_context" )] |
| 55 | #[doc (alias = "gst_gl_context_get_gl_context" )] |
| 56 | fn gl_context(&self) -> uintptr_t { |
| 57 | unsafe { ffi::gst_gl_context_get_gl_context(self.as_ref().to_glib_none().0) as uintptr_t } |
| 58 | } |
| 59 | |
| 60 | #[doc (alias = "get_proc_address" )] |
| 61 | #[doc (alias = "gst_gl_context_get_proc_address" )] |
| 62 | fn proc_address(&self, name: &str) -> uintptr_t { |
| 63 | unsafe { |
| 64 | ffi::gst_gl_context_get_proc_address( |
| 65 | self.as_ref().to_glib_none().0, |
| 66 | name.to_glib_none().0, |
| 67 | ) as uintptr_t |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | #[doc (alias = "gst_gl_context_thread_add" )] |
| 72 | fn thread_add<F: FnOnce(&Self) + Send>(&self, func: F) { |
| 73 | let mut func = std::mem::ManuallyDrop::new(func); |
| 74 | let user_data: *mut F = &mut *func; |
| 75 | |
| 76 | unsafe extern "C" fn trampoline<O: IsA<GLContext>, F: FnOnce(&O) + Send>( |
| 77 | context: *mut ffi::GstGLContext, |
| 78 | data: glib::ffi::gpointer, |
| 79 | ) { |
| 80 | let func = std::ptr::read(data as *mut F); |
| 81 | let context = GLContext::from_glib_borrow(context); |
| 82 | func(context.unsafe_cast_ref()) |
| 83 | } |
| 84 | |
| 85 | unsafe { |
| 86 | ffi::gst_gl_context_thread_add( |
| 87 | self.as_ref().to_glib_none().0, |
| 88 | Some(trampoline::<Self, F>), |
| 89 | user_data as glib::ffi::gpointer, |
| 90 | ); |
| 91 | } |
| 92 | } |
| 93 | } |
| 94 | |
| 95 | impl<O: IsA<GLContext>> GLContextExtManual for O {} |
| 96 | |