Merge pull request #249 from mahkoh/non-linear-screenshots

screenshots: don't force linear modifier

src/cli/screenshot.rs

@@ -161,10 +161,6 @@ pub fn buf_to_bytes(
     buf: &DmaBuf,
     format: ScreenshotFormat,
 ) -> Result<Vec<u8>, ScreenshotError> {
-    match drm_dev {
-        None => {}
-        Some(_) => {}
-    }
     let mut allocators =
         Vec::<Box<dyn FnOnce() -> Result<Rc<dyn Allocator>, ScreenshotError>>>::new();
     match drm_dev {

src/screenshoter.rs

@@ -1,11 +1,11 @@
 use {
     crate::{
-        allocator::{AllocatorError, BufferObject, BO_USE_LINEAR, BO_USE_RENDERING},
+        allocator::{AllocatorError, BufferObject, BO_USE_RENDERING},
         format::XRGB8888,
         gfx_api::GfxError,
         scale::Scale,
         state::State,
-        video::{drm::DrmError, INVALID_MODIFIER, LINEAR_MODIFIER},
+        video::drm::DrmError,
     },
     jay_config::video::Transform,
     std::{ops::Deref, rc::Rc},
@@ -27,8 +27,8 @@ pub enum ScreenshooterError {
     DrmError(#[from] DrmError),
     #[error("Render context does not support XRGB8888")]
     XRGB8888,
-    #[error("Render context supports neither linear nor invalid modifier for XRGB8888 rendering")]
-    Linear,
+    #[error("Render context supports no modifiers for XRGB8888 rendering")]
+    Modifiers,
 }
 
 pub struct Screenshot {
@@ -49,24 +49,25 @@ pub fn take_screenshot(
         return Err(ScreenshooterError::EmptyDisplay);
     }
     let formats = ctx.formats();
-    let mut usage = BO_USE_RENDERING;
-    let modifiers = match formats.get(&XRGB8888.drm) {
+    let modifiers: Vec<_> = match formats.get(&XRGB8888.drm) {
         None => return Err(ScreenshooterError::XRGB8888),
-        Some(f) if f.write_modifiers.contains(&LINEAR_MODIFIER) => &[LINEAR_MODIFIER],
-        Some(f) if f.write_modifiers.contains(&INVALID_MODIFIER) => {
-            usage |= BO_USE_LINEAR;
-            &[INVALID_MODIFIER]
-        }
-        Some(_) => return Err(ScreenshooterError::Linear),
+        Some(f) => f
+            .write_modifiers
+            .intersection(&f.read_modifiers)
+            .copied()
+            .collect(),
     };
+    if modifiers.is_empty() {
+        return Err(ScreenshooterError::Modifiers);
+    }
     let allocator = ctx.allocator();
     let bo = allocator.create_bo(
         &state.dma_buf_ids,
         extents.width(),
         extents.height(),
         XRGB8888,
-        modifiers,
-        usage,
+        &modifiers,
+        BO_USE_RENDERING,
     )?;
     let fb = ctx.clone().dmabuf_fb(bo.dmabuf())?;
     fb.render_node(

src/tools/tool_client.rs

@@ -330,7 +330,7 @@ impl ToolClient {
             self_id: s.registry,
             name: s.jay_compositor.0,
             interface: JayCompositor.name(),
-            version: s.jay_compositor.1.min(4),
+            version: s.jay_compositor.1.min(6),
             id: id.into(),
         });
         self.jay_compositor.set(Some(id));