paint: compile shaders faster

paint/sources/functions.h

@@ -475,6 +475,8 @@ void                         make_material_parse_mesh_material();
 void                         make_material_parse_depth_material();
 void                         make_material_parse_mesh_preview_material();
 void                         make_material_parse_paint_material(bool bake_previews);
+void                         make_material_save_paint_material();
+void                         make_material_restore_paint_material();
 parse_node_preview_result_t *make_material_parse_node_preview_material(ui_node_t *node, ui_node_canvas_t *group, ui_node_t_array_t *parents);
 void                         make_material_parse_brush();
 char                        *make_material_blend_mode(node_shader_t *kong, i32 blending, char *cola, char *colb, char *opac);

paint/sources/make_material.c

@@ -3,6 +3,8 @@
 
 shader_context_t   *make_material_default_scon = NULL;
 material_context_t *make_material_default_mcon = NULL;
+static shader_context_t   *make_material_saved_scon = NULL;
+static material_context_t *make_material_saved_mcon = NULL;
 
 bool make_material_get_mout() {
 	for (i32 i = 0; i < g_context->material->canvas->nodes->length; ++i) {
@@ -296,7 +298,7 @@ void make_material_parse_paint_material(bool bake_previews) {
 		shader_context_t *c = m->_->shader->contexts->buffer[i];
 		if (string_equals(c->name, "paint")) {
 			array_remove(m->_->shader->contexts, c);
-			if (c != make_material_default_scon) {
+			if (c != make_material_default_scon && c != make_material_saved_scon) {
 				make_material_delete_context(c);
 			}
 			break;
@@ -342,6 +344,58 @@ void make_material_parse_paint_material(bool bake_previews) {
 	}
 }
 
+void make_material_save_paint_material() {
+	material_data_t *m = project_materials->buffer[0]->data;
+	for (i32 i = 0; i < m->_->shader->contexts->length; ++i) {
+		shader_context_t *c = m->_->shader->contexts->buffer[i];
+		if (string_equals(c->name, "paint")) {
+			gc_unroot(make_material_saved_scon);
+			make_material_saved_scon = c;
+			gc_root(make_material_saved_scon);
+			break;
+		}
+	}
+	for (i32 i = 0; i < m->contexts->length; ++i) {
+		material_context_t *c = m->contexts->buffer[i];
+		if (string_equals(c->name, "paint")) {
+			gc_unroot(make_material_saved_mcon);
+			make_material_saved_mcon = c;
+			gc_root(make_material_saved_mcon);
+			break;
+		}
+	}
+}
+
+void make_material_restore_paint_material() {
+	if (make_material_saved_scon == NULL) {
+		return;
+	}
+	material_data_t *m = project_materials->buffer[0]->data;
+	for (i32 i = 0; i < m->_->shader->contexts->length; ++i) {
+		shader_context_t *c = m->_->shader->contexts->buffer[i];
+		if (string_equals(c->name, "paint")) {
+			array_remove(m->_->shader->contexts, c);
+			if (c != make_material_default_scon && c != make_material_saved_scon) {
+				make_material_delete_context(c);
+			}
+			break;
+		}
+	}
+	for (i32 i = 0; i < m->contexts->length; ++i) {
+		material_context_t *c = m->contexts->buffer[i];
+		if (string_equals(c->name, "paint")) {
+			array_remove(m->contexts, c);
+			break;
+		}
+	}
+	any_array_push(m->_->shader->contexts, make_material_saved_scon);
+	any_array_push(m->contexts, make_material_saved_mcon);
+	gc_unroot(make_material_saved_scon);
+	gc_unroot(make_material_saved_mcon);
+	make_material_saved_scon = NULL;
+	make_material_saved_mcon = NULL;
+}
+
 parse_node_preview_result_t *make_material_parse_node_preview_material(ui_node_t *node, ui_node_canvas_t *group, ui_node_t_array_t *parents) {
 	if (node->outputs->length == 0) {
 		return NULL;

paint/sources/util_layer.c

@@ -266,6 +266,7 @@ static void path_repaint(slot_layer_t *l) {
 	g_context->material         = l->path_material;
 	g_context->tool             = l->path_tool;
 
+	make_material_save_paint_material();
 	make_material_parse_paint_material(false);
 	layers_set_object_mask();
 
@@ -308,7 +309,7 @@ static void path_repaint(slot_layer_t *l) {
 	g_context->last_paint_vec_x = _last_x;
 	g_context->last_paint_vec_y = _last_y;
 	g_context->paint_vec        = _paint_vec;
-	make_material_parse_paint_material(false);
+	make_material_restore_paint_material();
 }
 
 void util_layer_clear_path_points(slot_layer_t *l) {

paint/sources/util_render.c

@@ -536,7 +536,8 @@ void util_render_pick_pos_nor_tex() {
 	g_context->pdirty           = 1;
 	tool_type_t _tool           = g_context->tool;
 	g_context->tool             = TOOL_TYPE_PICKER;
-	make_material_parse_paint_material(true);
+	make_material_save_paint_material();
+	make_material_parse_paint_material(false);
 	if (g_context->paint2d) {
 		render_path_paint_set_plane_mesh();
 	}
@@ -546,7 +547,7 @@ void util_render_pick_pos_nor_tex() {
 	}
 	g_context->tool             = _tool;
 	g_context->pick_pos_nor_tex = false;
-	make_material_parse_paint_material(true);
+	make_material_restore_paint_material();
 	g_context->pdirty = 0;
 }