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pass has_color flag through to fragment shader

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This commit is contained in:
Wez Furlong 2018-02-18 14:22:43 -08:00
parent 8d6950f586
commit 6f6622c659
1 changed files with 17 additions and 2 deletions
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19
src/xwin.rs
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@ -76,9 +76,11 @@ struct Vertex {
fg_color: (f32, f32, f32, f32),
bg_color: (f32, f32, f32, f32),
// TODO: underline, strikethrough, cursor, selected
/// Nominally a boolean, but the shader compiler hated it
has_color: f32,
}
implement_vertex!(Vertex, position, adjust, tex, fg_color, bg_color);
implement_vertex!(Vertex, position, adjust, tex, fg_color, bg_color, has_color);
const VERTEX_SHADER: &str = r#"
#version 300 es
@ -87,6 +89,7 @@ in vec2 adjust;
in vec2 tex;
in vec4 fg_color;
in vec4 bg_color;
in float has_color;
uniform mat4 projection;
uniform mat4 translation;
@ -109,7 +112,7 @@ void main() {
tex_coords = tex;
o_fg_color = fg_color;
o_bg_color = bg_color;
o_has_color = 0.0;
o_has_color = has_color;
gl_Position = projection * cell_pos();
}
@ -1061,14 +1064,26 @@ impl<'a> TerminalWindow<'a> {
vert[V_BOT_RIGHT].tex = texture.bottom_right(&slice);
vert[V_BOT_RIGHT].adjust = Point::new(right, bottom);
let has_color = if glyph.has_color { 1.0 } else { 0.0 };
vert[V_TOP_LEFT].has_color = has_color;
vert[V_TOP_RIGHT].has_color = has_color;
vert[V_BOT_LEFT].has_color = has_color;
vert[V_BOT_RIGHT].has_color = has_color;
}
&None => {
// Whitespace; no texture to render
let zero = (0.0, 0.0f32);
vert[V_TOP_LEFT].tex = zero;
vert[V_TOP_RIGHT].tex = zero;
vert[V_BOT_LEFT].tex = zero;
vert[V_BOT_RIGHT].tex = zero;
vert[V_TOP_LEFT].has_color = 0.0;
vert[V_TOP_RIGHT].has_color = 0.0;
vert[V_BOT_LEFT].has_color = 0.0;
vert[V_BOT_RIGHT].has_color = 0.0;
}
}
}