animation: core publishes transition records; gui evaluates via shaders, tty over grid cells

4 files changed, 0 insertions, 120 deletions

diff --git a/shaders/prebuilt/image.frag.glsl b/shaders/prebuilt/image.frag.glsl
index 747ceef7..2a3c2038 100644
--- a/shaders/prebuilt/image.frag.glsl
+++ b/shaders/prebuilt/image.frag.glsl
@@ -17,35 +17,6 @@ float cellNoise(uint serial, uint col, uint row) {
     return float(x & 0xffffu) / 65535.0;
 }
 
-// The same seven procedural ASCII marks as ui.frag.glsl and the macOS Metal
-// panel kernel. Native attachments are content in the panel, so they should
-// not switch to a smaller two-symbol animation when the glyph grid over them
-// is using `. : + * # % @`.
-float asciiGlyph(vec2 uv, int glyph) {
-    vec2 p = uv * 2.0 - 1.0;
-    float thin = 0.12;
-    float dotShape = 1.0 - smoothstep(0.10, 0.20, length(p - vec2(0.0, 0.45)));
-    float barH = 1.0 - smoothstep(thin, thin + 0.08, abs(p.y));
-    float barV = 1.0 - smoothstep(thin, thin + 0.08, abs(p.x));
-    if (glyph == 0) return dotShape;
-    if (glyph == 1) return max(dotShape, 1.0 - smoothstep(0.10, 0.20, length(p + vec2(0.0, 0.45))));
-    if (glyph == 2) return max(barH, barV);
-    if (glyph == 3) {
-        float d0 = 1.0 - smoothstep(thin, thin + 0.08, abs(p.x - p.y));
-        float d1 = 1.0 - smoothstep(thin, thin + 0.08, abs(p.x + p.y));
-        return max(max(d0, d1), max(barH, barV));
-    }
-    if (glyph == 4) {
-        float rails = max(
-            1.0 - smoothstep(thin, thin + 0.08, abs(abs(p.x) - 0.34)),
-            1.0 - smoothstep(thin, thin + 0.08, abs(abs(p.y) - 0.34))
-        );
-        return rails;
-    }
-    float ring = 1.0 - smoothstep(thin, thin + 0.08, abs(length(p * vec2(0.8, 1.0)) - 0.48));
-    return max(ring, glyph == 6 ? dotShape : 0.0);
-}
-
 void main() {
     vec4 source = texture(u_image, v_uv);
     uint effect = v_effect.x & 0x7fffffffu;
@@ -64,36 +35,5 @@ void main() {
         o_col = source;
         return;
     }
-    if (effect == 4u) {
-        float diagonal = float((cellCoord.x + cellCoord.y * 2u) % 17u) / 17.0;
-        float threshold = noise * 0.72 + diagonal * 0.28;
-        bool reveal = progress >= 1.0 || (progress > 0.0 && progress >= threshold);
-        bool wave = !reveal && progress > 0.0 && progress + 0.22 >= threshold;
-        if (oldLayer) {
-            if (wave || reveal) discard;
-            o_col = source;
-            return;
-        }
-        if (reveal) {
-            o_col = source;
-            return;
-        }
-        if (!wave) discard;
-        vec2 cellUV = fract(v_panel_uv * vec2(dimensions));
-        int glyph = min(int(floor(noise * 7.0)), 6);
-        float mark = asciiGlyph(cellUV, glyph);
-        float luma = dot(source.rgb, vec3(0.2126, 0.7152, 0.0722));
-        vec3 paper = source.rgb * 0.10;
-        // Preserve source colour when it already separates from the dimmed
-        // paper. Solid black pixels have no such separation, so derive a
-        // readable mark from their own luminance instead of letting the ASCII
-        // phase disappear on dark images/PDF regions.
-        vec3 contrastInk = luma > 0.5 ? vec3(0.0) : vec3(1.0);
-        float sourceContrast = smoothstep(0.025, 0.14, length(source.rgb - paper));
-        vec3 ink = mix(contrastInk, source.rgb, sourceContrast);
-        vec3 dimInk = mix(paper, ink, 0.62);
-        o_col = vec4(mix(paper, dimInk, mark), source.a);
-        return;
-    }
     o_col = source;
 }
diff --git a/shaders/prebuilt/image.frag.spv b/shaders/prebuilt/image.frag.spv
index c3d87e58..ac6a2682 100644
--- a/shaders/prebuilt/image.frag.spv
+++ b/shaders/prebuilt/image.frag.spv
diff --git a/shaders/prebuilt/ui.frag.glsl b/shaders/prebuilt/ui.frag.glsl
index 2113f6ae..ddc1cde0 100644
--- a/shaders/prebuilt/ui.frag.glsl
+++ b/shaders/prebuilt/ui.frag.glsl
@@ -23,31 +23,6 @@ float cellNoise(uint serial, uint col, uint row) {
     return float(x & 0xffffu) / 65535.0;
 }
 
-float asciiGlyph(vec2 uv, int glyph) {
-    vec2 p = uv * 2.0 - 1.0;
-    float thin = 0.12;
-    float dotShape = 1.0 - smoothstep(0.10, 0.20, length(p - vec2(0.0, 0.45)));
-    float barH = 1.0 - smoothstep(thin, thin + 0.08, abs(p.y));
-    float barV = 1.0 - smoothstep(thin, thin + 0.08, abs(p.x));
-    if (glyph == 0) return dotShape;
-    if (glyph == 1) return max(dotShape, 1.0 - smoothstep(0.10, 0.20, length(p + vec2(0.0, 0.45))));
-    if (glyph == 2) return max(barH, barV);
-    if (glyph == 3) {
-        float d0 = 1.0 - smoothstep(thin, thin + 0.08, abs(p.x - p.y));
-        float d1 = 1.0 - smoothstep(thin, thin + 0.08, abs(p.x + p.y));
-        return max(max(d0, d1), max(barH, barV));
-    }
-    if (glyph == 4) {
-        float rails = max(
-            1.0 - smoothstep(thin, thin + 0.08, abs(abs(p.x) - 0.34)),
-            1.0 - smoothstep(thin, thin + 0.08, abs(abs(p.y) - 0.34))
-        );
-        return rails;
-    }
-    float ring = 1.0 - smoothstep(thin, thin + 0.08, abs(length(p * vec2(0.8, 1.0)) - 0.48));
-    return max(ring, glyph == 6 ? dotShape : 0.0);
-}
-
 void main() {
     float a = texture(u_atlas, v_uv).r;
     bool oldLayer = (v_effect.x & 0x80000000u) != 0u;
@@ -69,41 +44,6 @@ void main() {
         return;
     }
 
-    // 4 = ASCII materialization. A diagonal/noise threshold matches the TTY
-    // compositor's idea: cells briefly become punctuation, then their real
-    // atlas glyph arrives. The procedural marks keep the GUI implementation
-    // entirely shader-side.
-    if (effect == 4u) {
-        if (progress <= 0.0) {
-            if (!oldLayer) discard;
-            o_col = vec4(cell, 1.0);
-            return;
-        }
-        if (progress >= 1.0) {
-            if (oldLayer) discard;
-            o_col = vec4(cell, 1.0);
-            return;
-        }
-        float diagonal = float((cellCol + cellRow * 2u) % 17u) / 17.0;
-        float threshold = noise * 0.72 + diagonal * 0.28;
-        if (progress >= threshold) {
-            if (oldLayer) discard;
-            o_col = vec4(cell, 1.0);
-            return;
-        }
-        if (progress + 0.22 >= threshold) {
-            if (oldLayer) discard;
-            int glyph = int(floor(noise * 7.0));
-            float ink = asciiGlyph(v_cell_uv, min(glyph, 6));
-            vec3 dimInk = mix(v_bg, v_fg, 0.62);
-            o_col = vec4(mix(v_bg, dimInk, ink), 1.0);
-            return;
-        }
-        if (!oldLayer) discard;
-        o_col = vec4(cell, 1.0);
-        return;
-    }
-
     // FreeType's hinted grayscale bitmap is already the intended coverage.
     // Preserve it exactly; weight-changing gamma hacks blur small stems.
     o_col = vec4(cell, 1.0);
diff --git a/shaders/prebuilt/ui.frag.spv b/shaders/prebuilt/ui.frag.spv
index b97495b3..6b8a88e0 100644
--- a/shaders/prebuilt/ui.frag.spv
+++ b/shaders/prebuilt/ui.frag.spv