jdtaylor

uniform sampler2D tex; // matched from gst-plugin-gl uniform

const vec4 kappa = vec4(1.0,1.7,0.7,15.0);

// These can be made uniform if they are added to:
// gst/gl/gstglfiltershader.c:363
// gst_gl_shader_set_uniform_1f (filtershader->shader0, "screen_width", width);
// gst_gl_shader_set_uniform_1f (filtershader->shader0, "screen_height", height);
const float screen_width = 1920.0;