65 lines
1.6 KiB
Rust
65 lines
1.6 KiB
Rust
use {
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crate::{
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format::XRGB8888,
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render::RenderError,
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state::State,
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video::{
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drm::DrmError,
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gbm::{GbmBo, GbmError, GBM_BO_USE_LINEAR, GBM_BO_USE_RENDERING},
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ModifiedFormat, INVALID_MODIFIER,
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},
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},
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std::{ops::Deref, rc::Rc},
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thiserror::Error,
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uapi::OwnedFd,
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};
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#[derive(Debug, Error)]
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pub enum ScreenshooterError {
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#[error("There is no render context")]
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NoRenderContext,
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#[error("Display is empty")]
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EmptyDisplay,
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#[error(transparent)]
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GbmError(#[from] GbmError),
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#[error(transparent)]
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RenderError(#[from] RenderError),
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#[error(transparent)]
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DrmError(#[from] DrmError),
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}
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pub struct Screenshot {
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pub drm: Rc<OwnedFd>,
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pub bo: GbmBo,
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}
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pub fn take_screenshot(state: &State) -> Result<Screenshot, ScreenshooterError> {
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let ctx = match state.render_ctx.get() {
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Some(ctx) => ctx,
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_ => return Err(ScreenshooterError::NoRenderContext),
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};
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let extents = state.root.extents.get();
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if extents.is_empty() {
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return Err(ScreenshooterError::EmptyDisplay);
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}
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let format = ModifiedFormat {
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format: XRGB8888,
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modifier: INVALID_MODIFIER,
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};
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let bo = ctx.gbm.create_bo(
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extents.width(),
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extents.height(),
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&format,
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GBM_BO_USE_RENDERING | GBM_BO_USE_LINEAR,
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)?;
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let fb = ctx.dmabuf_fb(bo.dmabuf())?;
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fb.render(
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state.root.deref(),
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state,
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Some(state.root.extents.get()),
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false,
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&mut Default::default(),
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);
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let drm = ctx.gbm.drm.dup_render()?.fd().clone();
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Ok(Screenshot { drm, bo })
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}
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