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vulkan: optimize blend-buffer usage

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This commit is contained in:
Julian Orth 2025-02-23 18:40:21 +01:00
parent cb9da22ec2
commit 292f181615
4 changed files with 362 additions and 236 deletions
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23
src/gfx_api.rs
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@ -165,6 +165,28 @@ impl FramebufferRect {
pub fn is_covering(&self) -> bool {
self.x1 == -1.0 && self.y1 == -1.0 && self.x2 == 1.0 && self.y2 == 1.0
}
pub fn to_rect(&self, width: f32, height: f32) -> Rect {
let mut x1 = self.x1;
let mut x2 = self.x2;
let mut y1 = self.y1;
let mut y2 = self.y2;
(x1, y1, x2, y2) = match self.output_transform {
Transform::None => (x1, y1, x2, y2),
Transform::Rotate90 => (y1, -x2, y2, -x1),
Transform::Rotate180 => (-x2, -y2, -x1, -y1),
Transform::Rotate270 => (-y2, x1, -y1, x2),
Transform::Flip => (-x2, y1, -x1, y2),
Transform::FlipRotate90 => (y1, x1, y2, x2),
Transform::FlipRotate180 => (x1, -y2, x2, -y1),
Transform::FlipRotate270 => (-y2, -x2, -y1, -x1),
};
let x1 = ((x1 + 1.0) / 2.0 * width).round() as i32;
let x2 = ((x2 + 1.0) / 2.0 * width).round() as i32;
let y1 = ((y1 + 1.0) / 2.0 * height).round() as i32;
let y2 = ((y2 + 1.0) / 2.0 * height).round() as i32;
Rect::new(x1, y1, x2, y2).unwrap_or_default()
}
}
#[derive(Debug)]
@ -192,7 +214,6 @@ pub struct CopyTexture {
pub acquire_sync: AcquireSync,
pub release_sync: ReleaseSync,
pub alpha: Option<f32>,
#[expect(dead_code)]
pub opaque: bool,
}