From ff3b7a7fa3f2ce994fb4aaaa9699c1c91fa07904 Mon Sep 17 00:00:00 2001
From: Matthew Kosarek <matthew@matthewkosarek.xyz>
Date: Sun, 24 Sep 2023 16:23:43 -0400
Subject: Working shaders again

---
 themes/src/_shaders/sun.frag      | 45 +--------------------------------------
 themes/src/shaders/sun_frag.cpp   | 45 +--------------------------------------
 themes/src/spring/SpringTheme.cpp |  4 ++--
 themes/src/tools/shader.js        |  4 ++++
 4 files changed, 8 insertions(+), 90 deletions(-)

(limited to 'themes/src')

diff --git a/themes/src/_shaders/sun.frag b/themes/src/_shaders/sun.frag
index dabd7ea..8463e06 100644
--- a/themes/src/_shaders/sun.frag
+++ b/themes/src/_shaders/sun.frag
@@ -1,48 +1,5 @@
 varying lowp vec4 VertexColor;
 
-#ifdef GL_ES
-precision mediump float;
-#endif
-
-uniform vec2 u_resolution;
-
-vec2 skew (vec2 st) {
-    vec2 r = vec2(0.0);
-    r.x = 1.1547*st.x;
-    r.y = st.y+0.5*r.x;
-    return r;
-}
-
-vec3 simplexGrid (vec2 st) {
-    vec3 xyz = vec3(0.0);
-
-    vec2 p = fract(skew(st));
-    if (p.x > p.y) {
-        xyz.xy = 1.0-vec2(p.x,p.y-p.x);
-        xyz.z = p.y;
-    } else {
-        xyz.yz = 1.0-vec2(p.x-p.y,p.y);
-        xyz.x = p.x;
-    }
-
-    return fract(xyz);
-}
-
 void main() {
-    vec2 st = gl_FragCoord.xy/u_resolution.xy;
-    vec3 color = VertexColor.xyz
-
-    // Scale the space to see the grid
-    st *= 10.;
-
-    // Show the 2D grid
-    color.rg = fract(st);
-
-    // Skew the 2D grid
-    // color.rg = fract(skew(st));
-
-    // Subdivide the grid into to equilateral triangles
-    // color = simplexGrid(st);
-
-    gl_FragColor = vec4(color,1.0);
+    gl_FragColor = VertexColor;
 }
diff --git a/themes/src/shaders/sun_frag.cpp b/themes/src/shaders/sun_frag.cpp
index d5af4be..d1ea160 100644
--- a/themes/src/shaders/sun_frag.cpp
+++ b/themes/src/shaders/sun_frag.cpp
@@ -2,50 +2,7 @@
 
 const char* shader_sun_frag = "varying lowp vec4 VertexColor; \n"
 " \n"
-"#ifdef GL_ES \n"
-"precision mediump float; \n"
-"#endif \n"
-" \n"
-"uniform vec2 u_resolution; \n"
-" \n"
-"vec2 skew (vec2 st) { \n"
-"    vec2 r = vec2(0.0); \n"
-"    r.x = 1.1547*st.x; \n"
-"    r.y = st.y+0.5*r.x; \n"
-"    return r; \n"
-"} \n"
-" \n"
-"vec3 simplexGrid (vec2 st) { \n"
-"    vec3 xyz = vec3(0.0); \n"
-" \n"
-"    vec2 p = fract(skew(st)); \n"
-"    if (p.x > p.y) { \n"
-"        xyz.xy = 1.0-vec2(p.x,p.y-p.x); \n"
-"        xyz.z = p.y; \n"
-"    } else { \n"
-"        xyz.yz = 1.0-vec2(p.x-p.y,p.y); \n"
-"        xyz.x = p.x; \n"
-"    } \n"
-" \n"
-"    return fract(xyz); \n"
-"} \n"
-" \n"
 "void main() { \n"
-"    vec2 st = gl_FragCoord.xy/u_resolution.xy; \n"
-"    vec3 color = VertexColor.xyz \n"
-" \n"
-"    // Scale the space to see the grid \n"
-"    st *= 10.; \n"
-" \n"
-"    // Show the 2D grid \n"
-"    color.rg = fract(st); \n"
-" \n"
-"    // Skew the 2D grid \n"
-"    // color.rg = fract(skew(st)); \n"
-" \n"
-"    // Subdivide the grid into to equilateral triangles \n"
-"    // color = simplexGrid(st); \n"
-" \n"
-"    gl_FragColor = vec4(color,1.0); \n"
+"    gl_FragColor = VertexColor; \n"
 "} \n"
 " \n";
diff --git a/themes/src/spring/SpringTheme.cpp b/themes/src/spring/SpringTheme.cpp
index abe8c6e..39b6bad 100644
--- a/themes/src/spring/SpringTheme.cpp
+++ b/themes/src/spring/SpringTheme.cpp
@@ -44,8 +44,8 @@ void SpringTheme::load(WebglContext* context) {
 
 	fetch_shader(
         {
-            "themes/src/shaders/renderer3d.vert",
-            "themes/src/shaders/renderer3d.frag"
+            "themes/src/_shaders/renderer3d.vert",
+            "themes/src/_shaders/renderer3d.frag"
         },
         on_shaders_loader,
         this
diff --git a/themes/src/tools/shader.js b/themes/src/tools/shader.js
index 54ba6e0..10889db 100644
--- a/themes/src/tools/shader.js
+++ b/themes/src/tools/shader.js
@@ -8,6 +8,10 @@ const fs = require('fs');
 const directory = path.join(__dirname, "..", "_shaders");
 const out_directory = path.join(__dirname, "..", "shaders");
 
+if (!fs.existsSync(out_directory)){
+    fs.mkdirSync(out_directory);
+}
+
 const files = fs.readdirSync(directory);
 files.forEach(file => {
   const filePath = path.join(directory, file);
-- 
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