X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=vrfileman;a=blobdiff_plain;f=sdr%2Fglow_font.p.glsl;fp=sdr%2Fglow_font.p.glsl;h=7c55fd1969bd97183bb9adf8162463ebe139c8c4;hp=0000000000000000000000000000000000000000;hb=47fdbdc2feec8d097d296fe019fbeb653c0b0efc;hpb=1c2b18e725db9e066d5dcb11123fc2019aec2ee7

diff --git a/sdr/glow_font.p.glsl b/sdr/glow_font.p.glsl
new file mode 100644
index 0000000..7c55fd1
--- /dev/null
+++ b/sdr/glow_font.p.glsl
@@ -0,0 +1,19 @@
+uniform sampler2D tex;
+uniform float smoothness;
+uniform float height;
+uniform vec2 pix_sz;
+
+varying vec2 local_pt;
+
+void main()
+{
+	const vec3 color = vec3(0.2, 0.4, 1.0);
+
+	vec2 uv = gl_TexCoord[0].st;
+	float dist = texture2D(tex, uv).a;
+
+	float glyph = smoothstep(0.5 - smoothness, 0.5 + smoothness, dist);
+
+	gl_FragColor.rgb = color * ((dist - 0.5 - smoothness) * 45.0);
+	gl_FragColor.a = glyph;
+}