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[egui_glium] Explicitly use bilinear texture sampling

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This is the reference renderer, so it is good to be explicit.
This commit is contained in:
Emil Ernerfeldt 2021-01-09 10:27:32 +01:00
parent e105719d34
commit fe491c3b75
1 changed files with 6 additions and 2 deletions
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8
egui_glium/src/painter.rs
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@ -11,7 +11,7 @@ use {
index::PrimitiveType, index::PrimitiveType,
texture::{self, srgb_texture2d::SrgbTexture2d}, texture::{self, srgb_texture2d::SrgbTexture2d},
uniform, uniform,
uniforms::SamplerWrapFunction, uniforms::{MagnifySamplerFilter, SamplerWrapFunction},
Frame, Surface, Frame, Surface,
}, },
}; };
@ -198,9 +198,13 @@ impl Painter {
let height_in_points = height_in_pixels as f32 / pixels_per_point; let height_in_points = height_in_pixels as f32 / pixels_per_point;
if let Some(texture) = self.get_texture(triangles.texture_id) { if let Some(texture) = self.get_texture(triangles.texture_id) {
// The texture coordinates for text are so that both nearest and linear should work with the Egui font texture.
// For user textures linear sampling is more likely to be the right choice.
let filter = MagnifySamplerFilter::Linear;
let uniforms = uniform! { let uniforms = uniform! {
u_screen_size: [width_in_points, height_in_points], u_screen_size: [width_in_points, height_in_points],
u_sampler: texture.sampled().wrap_function(SamplerWrapFunction::Clamp), u_sampler: texture.sampled().magnify_filter(filter).wrap_function(SamplerWrapFunction::Clamp),
}; };
// Egui outputs colors with premultiplied alpha: // Egui outputs colors with premultiplied alpha: