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/*
* Copyright (C) Oscar Shrimpton 2020
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
use egui::Texture;
use crate::types::*;
use crate::draw::texture::{TextureStore, LoadableImage};
use crate::UIState;
impl LoadableImage for &Texture {
fn width(&self) -> u32 {
self.width as u32
}
fn height(&self) -> u32 {
self.height as u32
}
fn copy_row(&self, y: u32, ptr: *mut u8) -> () {
let row_size = self.width();
let pixels = &self.pixels[(y * row_size) as usize..((y + 1) * row_size) as usize];
for (i,x) in pixels.iter().enumerate() {
unsafe {
*ptr.offset(i as isize * 3) = *x;
*ptr.offset((i as isize * 3) + 1) = *x;
*ptr.offset((i as isize * 3) + 2) = *x;
}
}
}
}
pub fn ensure_textures(texture_store: &mut TextureStore, ui: &mut UIState,
device: &mut Device,
adapter: &mut Adapter,
command_queue: &mut CommandQueue,
command_pool: &mut CommandPool) {
let tex = ui.ctx.texture();
if tex.version != ui.last_tex_ver {
texture_store.put_texture(0, &*tex, device, adapter, command_queue, command_pool).unwrap(); // TODO
ui.last_tex_ver = tex.version;
}
}
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