Pixel-Composer/scripts/node_convolution/node_convolution.gml
2023-09-08 21:37:36 +02:00

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function Node_Convolution(_x, _y, _group = noone) : Node_Processor(_x, _y, _group) constructor {
name = "Convolution";
shader = sh_convolution;
uniform_dim = shader_get_uniform(shader, "dimension");
uniform_ker = shader_get_uniform(shader, "kernel");
uniform_sam = shader_get_uniform(shader, "sampleMode");
inputs[| 0] = nodeValue("Surface in", self, JUNCTION_CONNECT.input, VALUE_TYPE.surface, 0);
inputs[| 1] = nodeValue("Kernel", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, array_create(9))
.setDisplay(VALUE_DISPLAY.kernel);
inputs[| 2] = nodeValue("Oversample mode", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 0, "How to deal with pixel outside the surface.\n - Empty: Use empty pixel\n - Clamp: Repeat edge pixel\n - Repeat: Repeat texture.")
.setDisplay(VALUE_DISPLAY.enum_scroll, [ "Empty", "Clamp", "Repeat" ]);
inputs[| 3] = nodeValue("Mask", self, JUNCTION_CONNECT.input, VALUE_TYPE.surface, 0);
inputs[| 4] = nodeValue("Mix", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 1)
.setDisplay(VALUE_DISPLAY.slider, [0, 1, 0.01]);
inputs[| 5] = nodeValue("Active", self, JUNCTION_CONNECT.input, VALUE_TYPE.boolean, true);
active_index = 5;
outputs[| 0] = nodeValue("Surface out", self, JUNCTION_CONNECT.output, VALUE_TYPE.surface, noone);
input_display_list = [ 5,
["Output", true], 0, 3, 4,
["Kernel", false], 1,
];
attribute_surface_depth();
attribute_oversample();
static processData = function(_outSurf, _data, _output_index, _array_index) {
var _ker = _data[1];
var _sam = struct_try_get(attributes, "oversample");
surface_set_target(_outSurf);
DRAW_CLEAR
BLEND_OVERRIDE;
shader_set(shader);
shader_set_uniform_f(uniform_dim, surface_get_width_safe(_outSurf), surface_get_height_safe(_outSurf));
shader_set_uniform_f_array_safe(uniform_ker, _ker);
shader_set_uniform_i(uniform_sam, _sam);
draw_surface_safe(_data[0], 0, 0);
shader_reset();
BLEND_NORMAL;
surface_reset_target();
_outSurf = mask_apply(_data[0], _outSurf, _data[3], _data[4]);
return _outSurf;
}
}