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egl-configs: get the number of configs

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This commit is contained in:
Simon Sapin 2018-06-25 21:14:19 +02:00
parent 90ba22b8d2
commit 89f6c6dbf0
1 changed files with 31 additions and 3 deletions
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34
support/android/egl-configs/src/main.rs
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@ -1,5 +1,8 @@
mod ffi;
use ffi::*;
use ffi::types::*;
use std::ptr::null_mut;
mod ffi;
fn main() {
unsafe {
@ -7,6 +10,31 @@ fn main() {
}
}
unsafe fn run() {
let _display = GetDisplay(DEFAULT_DISPLAY as *mut _);
macro_rules! check {
($name: ident ( $($arg: expr),* )) => {
check($name( $($arg),* ), stringify!($name))
}
}
unsafe fn run() {
let display = GetDisplay(DEFAULT_DISPLAY as *mut _);
assert!(!display.is_null());
check!(Initialize(display, null_mut(), null_mut()));
let mut num_config = -1;
check!(GetConfigs(display, null_mut(), 0, &mut num_config));
println!("Got {} configs", num_config);
}
unsafe fn check(result: EGLBoolean, function_name: &str) {
check_error();
assert_eq!(result, TRUE, "{} failed", function_name);
}
unsafe fn check_error() {
let status = GetError();
if status != SUCCESS as i32 {
println!("Error: 0x{:x}", status);
}
}