GLEGram 12.5 — Initial public release

Based on Swiftgram 12.5 (Telegram iOS 12.5).
All GLEGram features ported and organized in GLEGram/ folder.

Features: Ghost Mode, Saved Deleted Messages, Content Protection Bypass,
Font Replacement, Fake Profile, Chat Export, Plugin System, and more.

See CHANGELOG_12.5.md for full details.

submodules/WallpaperBackgroundNode/Resources/WallpaperBackgroundShaders.metal

@@ -0,0 +1,35 @@
+#include <metal_stdlib>
+using namespace metal;
+
+typedef struct {
+    packed_float2 position;
+} Vertex;
+
+typedef struct {
+    float4 position[[position]];
+} Varyings;
+
+vertex Varyings wallpaperVertex(constant Vertex *verticies[[buffer(0)]], unsigned int vid[[vertex_id]]) {
+    Varyings out;
+    constant Vertex &v = verticies[vid];
+    out.position = float4(float2(v.position), 0.0, 1.0);
+
+    return out;
+}
+
+fragment half4 wallpaperFragment1(Varyings in[[stage_in]]) {
+    float4 out = float4(0.0, 1.0, 0.0, 1.0);
+
+    return half4(out);
+}
+
+fragment half4 wallpaperFragment(Varyings in[[stage_in]], constant uint2 &resolution[[buffer(0)]], constant float &time[[buffer(1)]]) {
+    half4 p = half4(in.position);
+    p.y = -p.y;
+
+    p.y /= resolution.y;
+    p.y += tan(time + tan(p.x) + sin(.2 * p.x));
+    float4 out = float4(0.0, (0.3 + (p.y < 0.0 ? 0.0 : 1.0 - p.y * 3.0)) * 0.2, 0.0, 1.0);
+
+    return half4(out);
+}