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wry/src/gfx_apis/gl/renderer/texture.rs
2024-03-27 18:15:53 +01:00

84 lines
1.8 KiB
Rust

use {
crate::{
format::Format,
gfx_api::{GfxError, GfxTexture},
gfx_apis::gl::{
gl::texture::GlTexture,
renderer::{context::GlRenderContext, framebuffer::Framebuffer},
RenderError,
},
video::dmabuf::DmaBuf,
},
std::{
any::Any,
cell::Cell,
fmt::{Debug, Formatter},
rc::Rc,
},
};
pub struct Texture {
pub(in crate::gfx_apis::gl) ctx: Rc<GlRenderContext>,
pub(in crate::gfx_apis::gl) gl: GlTexture,
pub(in crate::gfx_apis::gl) format: &'static Format,
}
impl Debug for Texture {
fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
f.debug_struct("Texture").finish_non_exhaustive()
}
}
impl Texture {
pub fn width(&self) -> i32 {
self.gl.width
}
pub fn height(&self) -> i32 {
self.gl.height
}
pub fn to_framebuffer(&self) -> Result<Rc<Framebuffer>, RenderError> {
match &self.gl.img {
Some(img) => self.ctx.image_to_fb(img),
_ => Err(RenderError::ShmTextureToFb),
}
}
}
impl GfxTexture for Texture {
fn size(&self) -> (i32, i32) {
(self.width(), self.height())
}
fn as_any(&self) -> &dyn Any {
self
}
fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
self
}
fn read_pixels(
self: Rc<Self>,
x: i32,
y: i32,
width: i32,
height: i32,
_stride: i32,
format: &Format,
shm: &[Cell<u8>],
) -> Result<(), GfxError> {
self.to_framebuffer()?
.copy_to_shm(x, y, width, height, format, shm);
Ok(())
}
fn dmabuf(&self) -> Option<&DmaBuf> {
self.gl.img.as_ref().map(|i| &i.dmabuf)
}
fn format(&self) -> &'static Format {
self.format
}
}