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-rw-r--r--examples/integration_opengl/Cargo.toml12
-rw-r--r--examples/integration_opengl/README.md16
-rw-r--r--examples/integration_opengl/src/controls.rs101
-rw-r--r--examples/integration_opengl/src/main.rs187
-rw-r--r--examples/integration_opengl/src/scene.rs102
5 files changed, 0 insertions, 418 deletions
diff --git a/examples/integration_opengl/Cargo.toml b/examples/integration_opengl/Cargo.toml
deleted file mode 100644
index 6dac999c..00000000
--- a/examples/integration_opengl/Cargo.toml
+++ /dev/null
@@ -1,12 +0,0 @@
-[package]
-name = "integration_opengl"
-version = "0.1.0"
-authors = ["Héctor Ramón Jiménez <hector0193@gmail.com>"]
-edition = "2021"
-publish = false
-
-[dependencies]
-iced_glutin = { path = "../../glutin" }
-iced_glow = { path = "../../glow" }
-iced_winit = { path = "../../winit" }
-env_logger = "0.8"
diff --git a/examples/integration_opengl/README.md b/examples/integration_opengl/README.md
deleted file mode 100644
index b7c2c074..00000000
--- a/examples/integration_opengl/README.md
+++ /dev/null
@@ -1,16 +0,0 @@
-## OpenGL integration
-
-A demonstration of how to integrate Iced in an existing graphical OpenGL application.
-
-The __[`main`]__ file contains all the code of the example.
-
-<div align="center">
- <a href="https://imgbox.com/9P9ETcod" target="_blank"><img src="https://images2.imgbox.com/2a/51/9P9ETcod_o.gif" alt="image host"/></a>
-</div>
-
-You can run it with `cargo run`:
-```
-cargo run --package integration_opengl
-```
-
-[`main`]: src/main.rs
diff --git a/examples/integration_opengl/src/controls.rs b/examples/integration_opengl/src/controls.rs
deleted file mode 100644
index c3648f44..00000000
--- a/examples/integration_opengl/src/controls.rs
+++ /dev/null
@@ -1,101 +0,0 @@
-use iced_glow::Renderer;
-use iced_glutin::widget::Slider;
-use iced_glutin::widget::{Column, Row, Text};
-use iced_glutin::{Alignment, Color, Command, Element, Length, Program};
-
-pub struct Controls {
- background_color: Color,
-}
-
-#[derive(Debug, Clone)]
-pub enum Message {
- BackgroundColorChanged(Color),
-}
-
-impl Controls {
- pub fn new() -> Controls {
- Controls {
- background_color: Color::BLACK,
- }
- }
-
- pub fn background_color(&self) -> Color {
- self.background_color
- }
-}
-
-impl Program for Controls {
- type Renderer = Renderer;
- type Message = Message;
-
- fn update(&mut self, message: Message) -> Command<Message> {
- match message {
- Message::BackgroundColorChanged(color) => {
- self.background_color = color;
- }
- }
-
- Command::none()
- }
-
- fn view(&self) -> Element<Message, Renderer> {
- let background_color = self.background_color;
-
- let sliders = Row::new()
- .width(500)
- .spacing(20)
- .push(
- Slider::new(0.0..=1.0, background_color.r, move |r| {
- Message::BackgroundColorChanged(Color {
- r,
- ..background_color
- })
- })
- .step(0.01),
- )
- .push(
- Slider::new(0.0..=1.0, background_color.g, move |g| {
- Message::BackgroundColorChanged(Color {
- g,
- ..background_color
- })
- })
- .step(0.01),
- )
- .push(
- Slider::new(0.0..=1.0, background_color.b, move |b| {
- Message::BackgroundColorChanged(Color {
- b,
- ..background_color
- })
- })
- .step(0.01),
- );
-
- Row::new()
- .width(Length::Fill)
- .height(Length::Fill)
- .align_items(Alignment::End)
- .push(
- Column::new()
- .width(Length::Fill)
- .align_items(Alignment::End)
- .push(
- Column::new()
- .padding(10)
- .spacing(10)
- .push(
- Text::new("Background color")
- .style(Color::WHITE),
- )
- .push(sliders)
- .push(
- Text::new(format!("{background_color:?}"))
- .size(14)
- .style(Color::WHITE),
- ),
- ),
- )
- .into()
- }
-}
diff --git a/examples/integration_opengl/src/main.rs b/examples/integration_opengl/src/main.rs
deleted file mode 100644
index f161c8a0..00000000
--- a/examples/integration_opengl/src/main.rs
+++ /dev/null
@@ -1,187 +0,0 @@
-mod controls;
-mod scene;
-
-use controls::Controls;
-use scene::Scene;
-
-use glow::*;
-use glutin::dpi::PhysicalPosition;
-use glutin::event::{Event, ModifiersState, WindowEvent};
-use glutin::event_loop::ControlFlow;
-use iced_glow::glow;
-use iced_glow::{Backend, Renderer, Settings, Viewport};
-use iced_glutin::conversion;
-use iced_glutin::glutin;
-use iced_glutin::renderer;
-use iced_glutin::{program, Clipboard, Color, Debug, Size};
-
-pub fn main() {
- env_logger::init();
- let (gl, event_loop, windowed_context, shader_version) = {
- let el = glutin::event_loop::EventLoop::new();
-
- let wb = glutin::window::WindowBuilder::new()
- .with_title("OpenGL integration example")
- .with_inner_size(glutin::dpi::LogicalSize::new(1024.0, 768.0));
-
- let windowed_context = glutin::ContextBuilder::new()
- .with_vsync(true)
- .build_windowed(wb, &el)
- .unwrap();
-
- unsafe {
- let windowed_context = windowed_context.make_current().unwrap();
-
- let gl = glow::Context::from_loader_function(|s| {
- windowed_context.get_proc_address(s) as *const _
- });
-
- // Enable auto-conversion from/to sRGB
- gl.enable(glow::FRAMEBUFFER_SRGB);
-
- // Enable alpha blending
- gl.enable(glow::BLEND);
- gl.blend_func(glow::SRC_ALPHA, glow::ONE_MINUS_SRC_ALPHA);
-
- // Disable multisampling by default
- gl.disable(glow::MULTISAMPLE);
-
- (gl, el, windowed_context, "#version 410")
- }
- };
-
- let physical_size = windowed_context.window().inner_size();
- let mut viewport = Viewport::with_physical_size(
- Size::new(physical_size.width, physical_size.height),
- windowed_context.window().scale_factor(),
- );
-
- let mut cursor_position = PhysicalPosition::new(-1.0, -1.0);
- let mut modifiers = ModifiersState::default();
- let mut clipboard = Clipboard::connect(windowed_context.window());
-
- let mut renderer = Renderer::new(Backend::new(&gl, Settings::default()));
-
- let mut debug = Debug::new();
-
- let controls = Controls::new();
- let mut state = program::State::new(
- controls,
- viewport.logical_size(),
- &mut renderer,
- &mut debug,
- );
- let mut resized = false;
-
- let scene = Scene::new(&gl, shader_version);
-
- event_loop.run(move |event, _, control_flow| {
- *control_flow = ControlFlow::Wait;
-
- match event {
- Event::WindowEvent { event, .. } => {
- match event {
- WindowEvent::CursorMoved { position, .. } => {
- cursor_position = position;
- }
- WindowEvent::ModifiersChanged(new_modifiers) => {
- modifiers = new_modifiers;
- }
- WindowEvent::Resized(physical_size) => {
- viewport = Viewport::with_physical_size(
- Size::new(
- physical_size.width,
- physical_size.height,
- ),
- windowed_context.window().scale_factor(),
- );
-
- resized = true;
- }
- WindowEvent::CloseRequested => {
- scene.cleanup(&gl);
- *control_flow = ControlFlow::Exit
- }
- _ => (),
- }
-
- // Map window event to iced event
- if let Some(event) = iced_winit::conversion::window_event(
- &event,
- windowed_context.window().scale_factor(),
- modifiers,
- ) {
- state.queue_event(event);
- }
- }
- Event::MainEventsCleared => {
- // If there are events pending
- if !state.is_queue_empty() {
- // We update iced
- let _ = state.update(
- viewport.logical_size(),
- conversion::cursor_position(
- cursor_position,
- viewport.scale_factor(),
- ),
- &mut renderer,
- &iced_glow::Theme::Dark,
- &renderer::Style {
- text_color: Color::WHITE,
- },
- &mut clipboard,
- &mut debug,
- );
-
- // and request a redraw
- windowed_context.window().request_redraw();
- }
- }
- Event::RedrawRequested(_) => {
- if resized {
- let size = windowed_context.window().inner_size();
-
- unsafe {
- gl.viewport(
- 0,
- 0,
- size.width as i32,
- size.height as i32,
- );
- }
-
- resized = false;
- }
-
- let program = state.program();
- {
- // We clear the frame
- scene.clear(&gl, program.background_color());
-
- // Draw the scene
- scene.draw(&gl);
- }
-
- // And then iced on top
- renderer.with_primitives(|backend, primitive| {
- backend.present(
- &gl,
- primitive,
- &viewport,
- &debug.overlay(),
- );
- });
-
- // Update the mouse cursor
- windowed_context.window().set_cursor_icon(
- iced_winit::conversion::mouse_interaction(
- state.mouse_interaction(),
- ),
- );
-
- windowed_context.swap_buffers().unwrap();
- }
- _ => (),
- }
- });
-}
diff --git a/examples/integration_opengl/src/scene.rs b/examples/integration_opengl/src/scene.rs
deleted file mode 100644
index c1d05b65..00000000
--- a/examples/integration_opengl/src/scene.rs
+++ /dev/null
@@ -1,102 +0,0 @@
-use glow::*;
-use iced_glow::glow;
-use iced_glow::Color;
-
-pub struct Scene {
- program: glow::Program,
- vertex_array: glow::VertexArray,
-}
-
-impl Scene {
- pub fn new(gl: &glow::Context, shader_version: &str) -> Self {
- unsafe {
- let vertex_array = gl
- .create_vertex_array()
- .expect("Cannot create vertex array");
- gl.bind_vertex_array(Some(vertex_array));
-
- let program = gl.create_program().expect("Cannot create program");
-
- let (vertex_shader_source, fragment_shader_source) = (
- r#"const vec2 verts[3] = vec2[3](
- vec2(0.5f, 1.0f),
- vec2(0.0f, 0.0f),
- vec2(1.0f, 0.0f)
- );
- out vec2 vert;
- void main() {
- vert = verts[gl_VertexID];
- gl_Position = vec4(vert - 0.5, 0.0, 1.0);
- }"#,
- r#"precision highp float;
- in vec2 vert;
- out vec4 color;
- void main() {
- color = vec4(vert, 0.5, 1.0);
- }"#,
- );
-
- let shader_sources = [
- (glow::VERTEX_SHADER, vertex_shader_source),
- (glow::FRAGMENT_SHADER, fragment_shader_source),
- ];
-
- let mut shaders = Vec::with_capacity(shader_sources.len());
-
- for (shader_type, shader_source) in shader_sources.iter() {
- let shader = gl
- .create_shader(*shader_type)
- .expect("Cannot create shader");
- gl.shader_source(
- shader,
- &format!("{shader_version}\n{shader_source}"),
- );
- gl.compile_shader(shader);
- if !gl.get_shader_compile_status(shader) {
- panic!("{}", gl.get_shader_info_log(shader));
- }
- gl.attach_shader(program, shader);
- shaders.push(shader);
- }
-
- gl.link_program(program);
- if !gl.get_program_link_status(program) {
- panic!("{}", gl.get_program_info_log(program));
- }
-
- for shader in shaders {
- gl.detach_shader(program, shader);
- gl.delete_shader(shader);
- }
-
- gl.use_program(Some(program));
- Self {
- program,
- vertex_array,
- }
- }
- }
-
- pub fn clear(&self, gl: &glow::Context, background_color: Color) {
- let [r, g, b, a] = background_color.into_linear();
- unsafe {
- gl.clear_color(r, g, b, a);
- gl.clear(glow::COLOR_BUFFER_BIT);
- }
- }
-
- pub fn draw(&self, gl: &glow::Context) {
- unsafe {
- gl.bind_vertex_array(Some(self.vertex_array));
- gl.use_program(Some(self.program));
- gl.draw_arrays(glow::TRIANGLES, 0, 3);
- }
- }
-
- pub fn cleanup(&self, gl: &glow::Context) {
- unsafe {
- gl.delete_program(self.program);
- gl.delete_vertex_array(self.vertex_array);
- }
- }
-}
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