wasm replay ui

1 files changed, 16 insertions, 0 deletions

diff --git a/shaders/ui.frag.es.glsl b/shaders/ui.frag.es.glsl
new file mode 100644
index 00000000..736e48f5
--- /dev/null
+++ b/shaders/ui.frag.es.glsl
@@ -0,0 +1,16 @@
+#version 300 es
+
+precision mediump float;
+
+uniform sampler2D u_atlas;
+
+in vec2 v_uv;
+in vec3 v_fg;
+in vec3 v_bg;
+
+out vec4 o_col;
+
+void main() {
+    float a = texture(u_atlas, v_uv).r;
+    o_col = vec4(mix(v_bg, v_fg, a), 1.0);
+}