Pixel-Composer/scripts/node_greyscale/node_greyscale.gml
2022-12-13 15:20:36 +07:00

34 lines
No EOL
1.1 KiB
Text

function Node_Greyscale(_x, _y, _group = -1) : Node_Processor(_x, _y, _group) constructor {
name = "Greyscale";
uniform_exp = shader_get_uniform(sh_greyscale, "brightness");
uniform_con = shader_get_uniform(sh_greyscale, "contrast");
inputs[| 0] = nodeValue(0, "Surface in", self, JUNCTION_CONNECT.input, VALUE_TYPE.surface, 0);
inputs[| 1] = nodeValue(1, "Brightness", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 0)
.setDisplay(VALUE_DISPLAY.slider, [ -1, 1, 0.01]);
inputs[| 2] = nodeValue(2, "Contrast", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 1)
.setDisplay(VALUE_DISPLAY.slider, [ -1, 4, 0.01]);
outputs[| 0] = nodeValue(0, "Surface out", self, JUNCTION_CONNECT.output, VALUE_TYPE.surface, PIXEL_SURFACE);
static process_data = function(_outSurf, _data, _output_index) {
var _exp = _data[1];
var _con = _data[2];
surface_set_target(_outSurf);
draw_clear_alpha(0, 0);
BLEND_ADD
shader_set(sh_greyscale);
shader_set_uniform_f(uniform_exp, _exp);
shader_set_uniform_f(uniform_con, _con);
draw_surface_safe(_data[0], 0, 0);
shader_reset();
BLEND_NORMAL
surface_reset_target();
return _outSurf;
}
}