X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=vrfileman;a=blobdiff_plain;f=sdr%2Fdfont.p.glsl;fp=sdr%2Fdfont.p.glsl;h=0000000000000000000000000000000000000000;hp=0d4ef4db0c4eb53541bcdfa3c20c5ef1be880d9d;hb=47fdbdc2feec8d097d296fe019fbeb653c0b0efc;hpb=1c2b18e725db9e066d5dcb11123fc2019aec2ee7

diff --git a/sdr/dfont.p.glsl b/sdr/dfont.p.glsl
deleted file mode 100644
index 0d4ef4d..0000000
--- a/sdr/dfont.p.glsl
+++ /dev/null
@@ -1,53 +0,0 @@
-uniform sampler2D tex;
-uniform float smoothness;
-uniform float height;
-
-varying vec2 local_pt;
-
-void gradcurves(float t, out float over, out float under);
-
-#define HALF_PI 1.570796326794897
-
-void main()
-{
-	const vec2 pix_sz = vec2(1.0 / 512.0, 1.0 / 256.0);	// TODO: uniform
-
-	vec2 uv = gl_TexCoord[0].st;
-	float dist = texture2D(tex, uv).a;
-
-	float dfdu = texture2D(tex, uv + vec2(pix_sz.x, 0.0)).a - dist;
-	float dfdv = texture2D(tex, uv + vec2(0.0, pix_sz.y)).a - dist;
-	vec2 grad = normalize(vec2(dfdu, dfdv));
-
-	float glyph = smoothstep(0.47 - smoothness, 0.47 + smoothness, dist);
-	float outline = smoothstep(0.54 - smoothness, 0.54 + smoothness, dist);
-
-	// --- face gradients ---
-	float t = local_pt.y / height;
-
-	float c_over, c_under;
-	float tlow = min(2.0 * t, 1.0);
-	gradcurves(tlow, c_over, c_under);
-	vec3 color_low = vec3(c_over, c_under, c_over);
-
-	float thigh = max(2.0 * t - 1.0, 0.0);
-	gradcurves(thigh, c_over, c_under);
-	vec3 color_high = vec3(c_under, c_under, c_over);
-
-	vec3 color = mix(color_low, color_high, step(0.5, t));
-
-	// --- bevel gradients ---
-	float bv_shade = mod(1.0 * dot(grad, normalize(vec2(0.1, 1.0))) * 0.5 + 0.5, 1.0);
-
-	gradcurves(1.0 - bv_shade, c_over, c_under);
-	vec3 bv_col = vec3(c_under, c_under, c_over);
-
-	gl_FragColor.rgb = mix(bv_col, color, outline);
-	gl_FragColor.a = glyph;
-}
-
-void gradcurves(float t, out float over, out float under)
-{
-	over = cos(t * HALF_PI);
-	under = cos(t * HALF_PI + HALF_PI) + 1.0;
-}