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refactor(wayland): don't do fancy alpha setting when xrgb

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Nova
2025-07-11 16:38:39 -07:00
parent 6ec09809d9
commit b0d623e9de
1 changed files with 2 additions and 8 deletions
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10
src/wayland/core/shm_buffer_backing.rs
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@@ -73,13 +73,7 @@ impl ShmBufferBacking {
for _y in 0..self.size.y { for _y in 0..self.size.y {
for _x in 0..self.size.x { for _x in 0..self.size.x {
match self.format { match self.format {
Format::Xrgb8888 => { Format::Argb8888 | Format::Xrgb8888 => {
dst_data[dst_cursor] = src_data_lock[src_cursor + 2]; // Red is byte 2
dst_data[dst_cursor + 1] = src_data_lock[src_cursor + 1]; // Green is byte 1
dst_data[dst_cursor + 2] = src_data_lock[src_cursor]; // Blue is byte 0
dst_data[dst_cursor + 3] = 255; // X means ignore alpha, treat as fully opaque
}
Format::Argb8888 => {
dst_data[dst_cursor] = src_data_lock[src_cursor + 2]; // Red is byte 2 dst_data[dst_cursor] = src_data_lock[src_cursor + 2]; // Red is byte 2
dst_data[dst_cursor + 1] = src_data_lock[src_cursor + 1]; // Green is byte 1 dst_data[dst_cursor + 1] = src_data_lock[src_cursor + 1]; // Green is byte 1
dst_data[dst_cursor + 2] = src_data_lock[src_cursor]; // Blue is byte 0 dst_data[dst_cursor + 2] = src_data_lock[src_cursor]; // Blue is byte 0
@@ -99,7 +93,7 @@ impl ShmBufferBacking {
pub fn is_transparent(&self) -> bool { pub fn is_transparent(&self) -> bool {
match self.format { match self.format {
Format::Xrgb8888 => false, Format::Xrgb8888 => true,
Format::Argb8888 => true, Format::Argb8888 => true,
_ => true, _ => true,
} }