pacc: initial

1 files changed, 15 insertions, 0 deletions

diff --git a/pacc/glsl/font.frag b/pacc/glsl/font.frag
new file mode 100644
index 0000000..8beb0a7
--- /dev/null
+++ b/pacc/glsl/font.frag
@@ -0,0 +1,15 @@
+uniform sampler2D palette;
+uniform sampler2D tex;
+varying mediump vec2 texcoord;
+uniform lowp float bg;
+uniform lowp float color;
+void main(void) {
+  gl_FragColor = vec4(1.0, 0.0, 1.0, 1.0);
+  lowp float pixel = texture2D(tex, texcoord).x;
+  lowp float index = color;
+  if (pixel < 0.5) {
+    if (bg < 0.5) discard;
+    index = 0.5 / 256.0;
+  }
+  gl_FragColor = texture2D(palette, vec2(index, 0.0));
+}