research in ideation.md

ideation.md

@@ -15,3 +15,56 @@
 # Style Guide
 
 Perhaps we do what river does for organization? Checkout river/Server.zig:17's use of @This();
+
+# information
+
+server owns
+- compositor
+
+wlr_compositor owms
+- a list of wlr_surfaces
+
+wlr_surfaces owns
+- wl_resources which should (be/have?) buffers
+
+## Scene Structure
+wlr_scene owns
+- list of outputs
+- wlr_scene_tree
+
+wlr_scene_tree owns
+- its own wlr_scene_node
+- list of its children wlr_scene_node
+
+wlr_scene_node can be TREE, RECT or BUFFER and owns
+- its own type
+- a pointer to its parent wlr_scene_tree
+- a list of children as wlr_scene_trees
+- boolean if enabled
+- x, y position relative to parent
+- wl signal for destroy
+- *void arbitrary data
+
+```zig
+struct wl_resource *_surface;
+
+wl_resource_for_each(_surface, &server->compositor->surfaces) {
+    struct wlr_surface *surface = wlr_surface_from_resource(_surface);
+    if (!wlr_surface_has_buffer(surface)) {
+        continue;
+    }
+
+    struct wlr_box render_box = {
+        .x = 20, .y = 20,
+        .width = surface->current->width,
+        .height = surface->current->height
+    };
+
+    float matrix[16];
+    wlr_matrix_project_box(&matrix, &render_box,
+    surface->current->transform,
+    0, &wlr_output->transform_matrix);
+    wlr_render_with_matrix(renderer, surface->texture, &matrix, 1.0f);
+    wlr_surface_send_frame_done(surface, &now);
+}
+```