1 files changed, 15 insertions, 0 deletions

diff --git a/libraries/evas/src/modules/engines/gl_common/shader/filter_greyscale.h b/libraries/evas/src/modules/engines/gl_common/shader/filter_greyscale.h
new file mode 100644
index 0000000..850538a
--- /dev/null
+++ b/libraries/evas/src/modules/engines/gl_common/shader/filter_greyscale.h
@@ -0,0 +1,15 @@
+"#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
+"precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
+"#endif\n"
+"uniform sampler2D tex;\n"
+"varying vec4 col;\n"
+"varying vec2 tex_c;\n"
+"void main()\n"
+"{\n"
+"   float inten = dot(texture2D(tex,tex_c.xy).agb,vec3(.3, .59, .11));\n"
+"   gl_FragColor = vec4(inten, inten, inten, texture2D(tex,tex_c.xy).r) * col;\n"
+"}\n"