ugli_raw/gl/
buffer.rs

1use super::*;
2
3pub type Buffer = gl::types::GLuint;
4
5impl Context {
6    pub fn bind_buffer(&self, target: Enum, buffer: &Buffer) {
7        unsafe {
8            gl::BindBuffer(target, *buffer);
9        }
10    }
11
12    pub fn buffer_data<T>(&self, target: Enum, data: &[T], usage: Enum) {
13        unsafe {
14            gl::BufferData(
15                target,
16                std::mem::size_of_val(data) as SizeIPtr,
17                data.as_ptr() as _,
18                usage,
19            );
20        }
21    }
22
23    pub fn buffer_sub_data<T>(&self, target: Enum, offset: IntPtr, data: &[T]) {
24        unsafe {
25            gl::BufferSubData(
26                target,
27                offset,
28                std::mem::size_of_val(data) as SizeIPtr,
29                data.as_ptr() as _,
30            );
31        }
32    }
33
34    pub fn create_buffer(&self) -> Option<Buffer> {
35        let mut handle = std::mem::MaybeUninit::uninit();
36        unsafe {
37            gl::GenBuffers(1, handle.as_mut_ptr());
38        }
39        let handle = unsafe { handle.assume_init() };
40        if handle == 0 {
41            None
42        } else {
43            Some(handle)
44        }
45    }
46
47    pub fn delete_buffer(&self, buffer: &Buffer) {
48        unsafe {
49            gl::DeleteBuffers(1, buffer);
50        }
51    }
52}
ugli_raw/gl/buffer.rs

ugli_raw/gl/
buffer.rs
