From ff3b7a7fa3f2ce994fb4aaaa9699c1c91fa07904 Mon Sep 17 00:00:00 2001 From: Matthew Kosarek Date: Sun, 24 Sep 2023 16:23:43 -0400 Subject: Working shaders again --- themes/src/shaders/sun_frag.cpp | 45 +---------------------------------------- 1 file changed, 1 insertion(+), 44 deletions(-) (limited to 'themes/src/shaders') 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"; -- cgit v1.2.1