luboslenco
38 lines
2.5 KiB
C
38 lines
2.5 KiB
C
void blur_node_init() {
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any_array_push(nodes_material_color, blur_node_def);
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any_map_set(parser_material_node_vectors, "BLUR", blur_node_vector);
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}
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string_t *blur_node_vector(ui_node_t *node, ui_node_socket_t *socket) {
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if (parser_material_blur_passthrough) {
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return parser_material_parse_vector_input(node->inputs->buffer[0]);
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}
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string_t *strength = parser_material_parse_value_input(node->inputs->buffer[1], false);
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string_t *steps = string_join(string_join("(", strength), " * 10.0 + 1.0)");
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string_t *tex_name = string_join("texblur_", parser_material_node_name(node, null));
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node_shader_add_texture(parser_material_kong, string_join("", tex_name), string_join("_", tex_name));
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node_shader_add_constant(parser_material_kong, string_join(string_join("", tex_name), "_size: float2"), string_join(string_join("_size(_", tex_name), ")"));
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string_t *store = parser_material_store_var_name(node);
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parser_material_write(parser_material_kong, string_join(string_join("var ", store), "_res: float3 = float3(0.0, 0.0, 0.0);"));
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parser_material_write(parser_material_kong, string_join(string_join("for (var i: int = 0; i <= int(", steps), " * 2.0); i += 1) {"));
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parser_material_write(parser_material_kong, string_join(string_join("for (var j: int = 0; j <= int(", steps), " * 2.0); j += 1) {"));
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parser_material_write(
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parser_material_kong,
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string_join(string_join(string_join(string_join(string_join(string_join(string_join(string_join(string_join(store, "_res += sample("), tex_name),
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", sampler_linear, tex_coord + float2(float(i) - "),
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steps),
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", float(j) - "),
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steps),
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") / constants."),
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tex_name),
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"_size).rgb;"));
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parser_material_write(parser_material_kong, "}");
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parser_material_write(parser_material_kong, "}");
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parser_material_write(parser_material_kong,
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string_join(string_join(string_join(string_join(string_join(string_join(string_join(store, "_res = "), store), "_res / (("), steps),
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" * 2.0 + 1.0) * ("),
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steps),
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" * 2.0 + 1.0));"));
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return string_join(store, "_res");
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}
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