gstreamer-rs/gstreamer-gl/src/gl_context.rs
2019-01-16 13:52:56 +02:00

71 lines
2 KiB
Rust

// Copyright (C) 2018 Víctor Jáquez <vjaquez@igalia.com>
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
use ffi;
use glib::translate::*;
use glib::IsA;
use libc::uintptr_t;
use GLContext;
use GLDisplay;
use GLPlatform;
use GLAPI;
impl GLContext {
pub unsafe fn new_wrapped<T: IsA<GLDisplay>>(
display: &T,
handle: uintptr_t,
context_type: GLPlatform,
available_apis: GLAPI,
) -> Option<GLContext> {
from_glib_full(ffi::gst_gl_context_new_wrapped(
display.as_ref().to_glib_none().0,
handle,
context_type.to_glib(),
available_apis.to_glib(),
))
}
pub fn get_current_gl_context(context_type: GLPlatform) -> uintptr_t {
unsafe { ffi::gst_gl_context_get_current_gl_context(context_type.to_glib()) as uintptr_t }
}
pub fn get_proc_address_with_platform(
context_type: GLPlatform,
gl_api: GLAPI,
name: &str,
) -> uintptr_t {
unsafe {
ffi::gst_gl_context_get_proc_address_with_platform(
context_type.to_glib(),
gl_api.to_glib(),
name.to_glib_none().0,
) as uintptr_t
}
}
}
pub trait GLContextExtManual: 'static {
fn get_gl_context(&self) -> uintptr_t;
fn get_proc_address(&self, name: &str) -> uintptr_t;
}
impl<O: IsA<GLContext>> GLContextExtManual for O {
fn get_gl_context(&self) -> uintptr_t {
unsafe { ffi::gst_gl_context_get_gl_context(self.as_ref().to_glib_none().0) as uintptr_t }
}
fn get_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
}
}
}