luboslenco
78 lines
4.2 KiB
C
78 lines
4.2 KiB
C
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#include "../global.h"
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node_shader_context_t *make_node_preview_run(material_t *data, ui_node_t *node, ui_node_canvas_t *group, ui_node_t_array_t *parents) {
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char *context_id = "mesh";
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shader_context_t *props = ALLOC_INIT(shader_context_t, {.name = context_id,
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.depth_write = false,
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.compare_mode = "always",
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.cull_mode = "clockwise",
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.vertex_elements = any_array_create_from_raw(
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(void *[]){
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ALLOC_INIT(vertex_element_t, {.name = "pos", .data = "short4norm"}),
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ALLOC_INIT(vertex_element_t, {.name = "nor", .data = "short2norm"}),
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ALLOC_INIT(vertex_element_t, {.name = "tex", .data = "short2norm"}),
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ALLOC_INIT(vertex_element_t, {.name = "col", .data = "short4norm"}),
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},
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4),
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.color_attachments = any_array_create_from_raw(
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(void *[]){
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"RGBA32",
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},
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1)});
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node_shader_context_t *con_mesh = node_shader_context_create(data, props);
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con_mesh->allow_vcols = true;
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node_shader_t *kong = node_shader_context_make_kong(con_mesh);
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node_shader_write_attrib_vert(kong, "output.pos = float4(input.pos.xy * 3.0, 0.0, 1.0);");
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node_shader_write_attrib_vert(kong, "var madd: float2 = float2(0.5, 0.5);");
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node_shader_add_out(kong, "tex_coord: float2");
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node_shader_write_attrib_vert(kong, "output.tex_coord = output.pos.xy * madd + madd;");
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node_shader_write_attrib_vert(kong, "output.tex_coord.y = 1.0 - output.tex_coord.y;");
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node_shader_write_attrib_frag(kong, "var tex_coord: float2 = input.tex_coord;");
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parser_material_init();
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parser_material_canvases = any_array_create_from_raw(
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(void *[]){
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g_context->material->canvas,
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},
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1);
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parser_material_nodes = g_context->material->canvas->nodes;
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parser_material_links = g_context->material->canvas->links;
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if (group != NULL) {
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parser_material_push_group(group);
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parser_material_parents = parents;
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}
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ui_node_link_t_array_t *links = parser_material_links;
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i32 socket_preview = i32_imap_get(g_context->node_preview_socket_map, node->id);
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ui_node_link_t *link =
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ALLOC_INIT(ui_node_link_t,
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{.id = ui_next_link_id(links), .from_id = node->id, .from_socket = socket_preview == -1 ? 0 : socket_preview, .to_id = -1, .to_socket = -1});
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any_array_push(links, link);
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parser_material_con = con_mesh;
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parser_material_kong = kong;
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parser_material_transform_color_space = false;
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char *res = parser_material_write_result(link);
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parser_material_transform_color_space = true;
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char *st = node->outputs->buffer[link->from_socket]->type;
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if (!string_equals(st, "RGB") && !string_equals(st, "RGBA") && !string_equals(st, "VECTOR")) {
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res = string_copy(parser_material_to_vec3(res));
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}
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array_remove(links, link);
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kong->frag_out = "float4";
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node_shader_write_frag(kong, string_tmp("var basecol: float3 = %s;", res));
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node_shader_write_frag(kong, "output = float4(basecol.rgb, 1.0);");
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parser_material_finalize(con_mesh);
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con_mesh->data->shader_from_source = true;
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gpu_create_shaders_from_kong(node_shader_get(kong), &con_mesh->data->vertex_shader, &con_mesh->data->fragment_shader,
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&con_mesh->data->_->vertex_shader_size, &con_mesh->data->_->fragment_shader_size);
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return con_mesh;
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}
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