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Fix retina resolution of example_glium

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This commit is contained in:
Emil Ernerfeldt 2019-03-16 12:57:44 +01:00
parent 075fa7ab0f
commit 2c2450e67b
1 changed files with 7 additions and 4 deletions
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11
example_glium/src/main.rs
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@ -182,10 +182,13 @@ impl Painter {
let index_buffer =
glium::IndexBuffer::new(display, PrimitiveType::TrianglesList, &indices).unwrap();
let (width, height) = display.get_framebuffer_dimensions();
let pixels_per_point = display.gl_window().get_hidpi_factor() as f32;
let (width_pixels, height_pixels) = display.get_framebuffer_dimensions();
let width_points = width_pixels as f32 / pixels_per_point;
let height_points = height_pixels as f32 / pixels_per_point;
let uniforms = uniform! {
u_screen_size: [width as f32, height as f32],
u_screen_size: [width_points, height_points],
u_tex_size: [texture.width as f32, texture.height as f32],
u_sampler: &self.texture,
};
@ -226,7 +229,7 @@ fn main() {
mouse_pos: None,
screen_size: {
let (width, height) = display.get_framebuffer_dimensions();
vec2(width as f32, height as f32)
vec2(width as f32, height as f32) / pixels_per_point
},
pixels_per_point,
};
@ -251,7 +254,7 @@ fn main() {
glutin::WindowEvent::CloseRequested => return glutin::ControlFlow::Break,
glutin::WindowEvent::Resized(glutin::dpi::LogicalSize { width, height }) => {
raw_input.screen_size = vec2(width as f32, height as f32);
raw_input.screen_size = vec2(width as f32, height as f32) / pixels_per_point;
if paint(raw_input) {
return glutin::ControlFlow::Break;
}