aboutsummaryrefslogtreecommitdiff
path: root/pacc/glsl/color.frag
diff options
context:
space:
mode:
authorTakamichi Horikawa <takamichiho@gmail.com>2017-09-08 23:25:51 +0900
committerTakamichi Horikawa <takamichiho@gmail.com>2017-09-08 23:25:51 +0900
commit50c75c12597b230cec4d7a29559cde263025eeb2 (patch)
tree9fa8afe8bcf6e1219186e5c567930831a3b5eab5 /pacc/glsl/color.frag
parent4cfeddd04dcbbf658195bd837d7daff7f08b37bc (diff)
pacc: initial
Diffstat (limited to 'pacc/glsl/color.frag')
-rw-r--r--pacc/glsl/color.frag13
1 files changed, 13 insertions, 0 deletions
diff --git a/pacc/glsl/color.frag b/pacc/glsl/color.frag
new file mode 100644
index 0000000..d03bee5
--- /dev/null
+++ b/pacc/glsl/color.frag
@@ -0,0 +1,13 @@
+uniform sampler2D palette;
+uniform sampler2D tex;
+varying mediump vec2 texcoord;
+uniform lowp float color;
+void main(void) {
+ lowp float index = texture2D(tex, texcoord).x;
+ if (index > (0.5/255.0)) {
+ index = color;
+ } else {
+ index = 0.5 / 256.0;
+ }
+ gl_FragColor = texture2D(palette, vec2(index, 0.0));
+}