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Implement configurable view opacity with fade effect

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This commit is contained in:
Leon Henrik Plickat
2020-10-03 22:09:15 +02:00
committed by Isaac Freund
parent 27b666dbba
commit b67ea748a3
10 changed files with 228 additions and 5 deletions
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11
river/render.zig
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@ -36,6 +36,8 @@ const SurfaceRenderData = struct {
output_y: i32,
when: *c.timespec,
opacity: f32,
};
pub fn renderOutput(output: *Output) void {
@ -138,6 +140,7 @@ fn renderLayer(output: Output, layer: std.TailQueue(LayerSurface), now: *c.times
.output_x = layer_surface.box.x,
.output_y = layer_surface.box.y,
.when = now,
.opacity = 1.0,
};
c.wlr_layer_surface_v1_for_each_surface(
layer_surface.wlr_layer_surface,
@ -162,6 +165,7 @@ fn renderView(output: Output, view: *View, now: *c.timespec) void {
.height = @intCast(c_int, saved_buffer.box.height),
},
saved_buffer.transform,
view.opacity,
);
} else {
// Since there is no stashed buffer, we are not in the middle of
@ -171,6 +175,7 @@ fn renderView(output: Output, view: *View, now: *c.timespec) void {
.output_x = view.current.box.x - view.surface_box.x,
.output_y = view.current.box.y - view.surface_box.y,
.when = now,
.opacity = view.opacity,
};
view.forEachSurface(renderSurfaceIterator, &rdata);
@ -191,6 +196,7 @@ fn renderDragIcons(output: Output, now: *c.timespec) void {
.output_y = @floatToInt(i32, drag_icon.seat.cursor.wlr_cursor.y) +
drag_icon.wlr_drag_icon.surface.*.sy - output_box.*.y,
.when = now,
.opacity = 1.0,
};
c.wlr_surface_for_each_surface(drag_icon.wlr_drag_icon.surface, renderSurfaceIterator, &rdata);
}
@ -209,6 +215,7 @@ fn renderXwaylandUnmanaged(output: Output, now: *c.timespec) void {
.output_x = wlr_xwayland_surface.x - output_box.*.x,
.output_y = wlr_xwayland_surface.y - output_box.*.y,
.when = now,
.opacity = 1.0,
};
c.wlr_surface_for_each_surface(wlr_xwayland_surface.surface, renderSurfaceIterator, &rdata);
}
@ -233,6 +240,7 @@ fn renderSurfaceIterator(
.height = surface.?.current.height,
},
surface.?.current.transform,
rdata.opacity,
);
c.wlr_surface_send_frame_done(surface, rdata.when);
@ -245,6 +253,7 @@ fn renderTexture(
wlr_texture: ?*c.wlr_texture,
wlr_box: c.wlr_box,
transform: c.wl_output_transform,
opacity: f32,
) void {
const texture = wlr_texture orelse return;
var box = wlr_box;
@ -262,7 +271,7 @@ fn renderTexture(
// This takes our matrix, the texture, and an alpha, and performs the actual
// rendering on the GPU.
_ = c.wlr_render_texture_with_matrix(output.getRenderer(), texture, &matrix, 1.0);
_ = c.wlr_render_texture_with_matrix(output.getRenderer(), texture, &matrix, opacity);
}
fn renderBorders(output: Output, view: *View, now: *c.timespec) void {