1 files changed, 15 insertions, 0 deletions

diff --git a/libraries/evas/src/modules/engines/gl_common/shader/filter_greyscale.shd b/libraries/evas/src/modules/engines/gl_common/shader/filter_greyscale.shd
new file mode 100644
index 0000000..78ecf08
--- /dev/null
+++ b/libraries/evas/src/modules/engines/gl_common/shader/filter_greyscale.shd
@@ -0,0 +1,15 @@
+#ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
+precision highp float;
+#else
+precision mediump float;
+#endif
+#endif
+uniform sampler2D tex;
+varying vec4 col;
+varying vec2 tex_c;
+void main()
+{
+   float inten = dot(texture2D(tex,tex_c.xy).agb,vec3(.3, .59, .11));
+   gl_FragColor = vec4(inten, inten, inten, texture2D(tex,tex_c.xy).r) * col;
+}