From 50c75c12597b230cec4d7a29559cde263025eeb2 Mon Sep 17 00:00:00 2001 From: Takamichi Horikawa Date: Fri, 8 Sep 2017 23:25:51 +0900 Subject: pacc: initial --- pacc/glsl/font.frag | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 pacc/glsl/font.frag (limited to 'pacc/glsl/font.frag') 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)); +} -- cgit v1.2.3