Pixel-Composer/scripts/node_convolution/node_convolution.gml

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function Node_Convolution(_x, _y, _group = noone) : Node_Processor(_x, _y, _group) constructor {
name = "Convolution";
newInput(0, nodeValue_Surface("Surface in", self));
newInput(1, nodeValue_Float("Kernel", self, array_create(9)))
.setDisplay(VALUE_DISPLAY.matrix, { size: 3 });
newInput(2, nodeValue_Enum_Scroll("Oversample mode", self, 0, [ "Empty", "Clamp", "Repeat" ]))
.setTooltip("How to deal with pixel outside the surface.\n - Empty: Use empty pixel\n - Clamp: Repeat edge pixel\n - Repeat: Repeat texture.");
newInput(3, nodeValue_Surface("Mask", self));
newInput(4, nodeValue_Float("Mix", self, 1))
.setDisplay(VALUE_DISPLAY.slider);
newInput(5, nodeValue_Bool("Active", self, true));
active_index = 5;
newInput(6, nodeValue_Toggle("Channel", self, 0b1111, { data: array_create(4, THEME.inspector_channel) }));
__init_mask_modifier(3); // inputs 7, 8,
newInput(9, nodeValue_Bool("Normalize", self, false));
newInput(10, nodeValue_Int("Size", self, 3))
.setValidator(VV_clamp(3, 16))
newOutput(0, nodeValue_Output("Surface out", self, VALUE_TYPE.surface, noone));
input_display_list = [ 5, 6,
["Surfaces", true], 0, 3, 4, 7, 8,
["Kernel", false], 10, 1, 9,
];
attribute_surface_depth();
attribute_oversample();
static step = function() {
__step_mask_modifier();
}
static processData = function(_outSurf, _data, _output_index, _array_index) {
var _ker = _data[1];
var _nrm = _data[9];
var _siz = max(3, _data[10]);
inputs[1].editWidget.setSize(_siz);
_ker = array_verify(_ker, _siz * _siz);
surface_set_shader(_outSurf, sh_convolution, true, BLEND.over);
shader_set_i("sampleMode", getAttribute("oversample"));
shader_set_dim("dimension", _outSurf);
shader_set_f("kernel", _ker);
shader_set_i("size", _siz);
shader_set_i("normalized", _nrm);
draw_surface_safe(_data[0]);
surface_reset_shader();
__process_mask_modifier(_data);
_outSurf = mask_apply(_data[0], _outSurf, _data[3], _data[4]);
_outSurf = channel_apply(_data[0], _outSurf, _data[6]);
return _outSurf;
}
}