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Diffstat (limited to 'stockton-render/src/draw/ui/texture.rs')
| -rwxr-xr-x | stockton-render/src/draw/ui/texture.rs | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/stockton-render/src/draw/ui/texture.rs b/stockton-render/src/draw/ui/texture.rs new file mode 100755 index 0000000..ce18f02 --- /dev/null +++ b/stockton-render/src/draw/ui/texture.rs @@ -0,0 +1,54 @@ +/* + * 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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