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Refactor pixel snapping.

-Rename pixel_snap to snap_2d_to_vertices
-Added snap_2d_to_transforms which is more useful

Fixes #41814
Solves proposal https://github.com/godotengine/godot-proposals/issues/1666
Supersedes #35606, supersedes #41535, supersedes #41534
This commit is contained in:
reduz
2020-10-29 18:09:16 -03:00
parent debb67918e
commit 0e6664539d
20 changed files with 124 additions and 29 deletions

View File

@@ -37,7 +37,7 @@
static const int z_range = RS::CANVAS_ITEM_Z_MAX - RS::CANVAS_ITEM_Z_MIN + 1;
void RenderingServerCanvas::_render_canvas_item_tree(RID p_to_render_target, Canvas::ChildItem *p_child_items, int p_child_item_count, Item *p_canvas_item, const Transform2D &p_transform, const Rect2 &p_clip_rect, const Color &p_modulate, RasterizerCanvas::Light *p_lights, RenderingServer::CanvasItemTextureFilter p_default_filter, RenderingServer::CanvasItemTextureRepeat p_default_repeat) {
void RenderingServerCanvas::_render_canvas_item_tree(RID p_to_render_target, Canvas::ChildItem *p_child_items, int p_child_item_count, Item *p_canvas_item, const Transform2D &p_transform, const Rect2 &p_clip_rect, const Color &p_modulate, RasterizerCanvas::Light *p_lights, RenderingServer::CanvasItemTextureFilter p_default_filter, RenderingServer::CanvasItemTextureRepeat p_default_repeat, bool p_snap_2d_vertices_to_pixel) {
RENDER_TIMESTAMP("Cull CanvasItem Tree");
memset(z_list, 0, z_range * sizeof(RasterizerCanvas::Item *));
@@ -68,7 +68,7 @@ void RenderingServerCanvas::_render_canvas_item_tree(RID p_to_render_target, Can
RENDER_TIMESTAMP("Render Canvas Items");
RSG::canvas_render->canvas_render_items(p_to_render_target, list, p_modulate, p_lights, p_transform, p_default_filter, p_default_repeat);
RSG::canvas_render->canvas_render_items(p_to_render_target, list, p_modulate, p_lights, p_transform, p_default_filter, p_default_repeat, p_snap_2d_vertices_to_pixel);
}
void _collect_ysort_children(RenderingServerCanvas::Item *p_canvas_item, Transform2D p_transform, RenderingServerCanvas::Item *p_material_owner, RenderingServerCanvas::Item **r_items, int &r_index) {
@@ -113,7 +113,12 @@ void RenderingServerCanvas::_cull_canvas_item(Item *p_canvas_item, const Transfo
}
Rect2 rect = ci->get_rect();
Transform2D xform = p_transform * ci->xform;
Transform2D xform = ci->xform;
if (snapping_2d_transforms_to_pixel) {
xform.elements[2].floor();
}
xform = p_transform * xform;
Rect2 global_rect = xform.xform(rect);
global_rect.position += p_clip_rect.position;
@@ -314,9 +319,11 @@ void RenderingServerCanvas::_light_mask_canvas_items(int p_z, RasterizerCanvas::
}
}
void RenderingServerCanvas::render_canvas(RID p_render_target, Canvas *p_canvas, const Transform2D &p_transform, RasterizerCanvas::Light *p_lights, RasterizerCanvas::Light *p_masked_lights, const Rect2 &p_clip_rect, RenderingServer::CanvasItemTextureFilter p_default_filter, RenderingServer::CanvasItemTextureRepeat p_default_repeat) {
void RenderingServerCanvas::render_canvas(RID p_render_target, Canvas *p_canvas, const Transform2D &p_transform, RasterizerCanvas::Light *p_lights, RasterizerCanvas::Light *p_masked_lights, const Rect2 &p_clip_rect, RenderingServer::CanvasItemTextureFilter p_default_filter, RenderingServer::CanvasItemTextureRepeat p_default_repeat, bool p_snap_2d_transforms_to_pixel, bool p_snap_2d_vertices_to_pixel) {
RENDER_TIMESTAMP(">Render Canvas");
snapping_2d_transforms_to_pixel = p_snap_2d_transforms_to_pixel;
if (p_canvas->children_order_dirty) {
p_canvas->child_items.sort();
p_canvas->children_order_dirty = false;
@@ -334,26 +341,26 @@ void RenderingServerCanvas::render_canvas(RID p_render_target, Canvas *p_canvas,
}
if (!has_mirror) {
_render_canvas_item_tree(p_render_target, ci, l, nullptr, p_transform, p_clip_rect, p_canvas->modulate, p_lights, p_default_filter, p_default_repeat);
_render_canvas_item_tree(p_render_target, ci, l, nullptr, p_transform, p_clip_rect, p_canvas->modulate, p_lights, p_default_filter, p_default_repeat, p_snap_2d_vertices_to_pixel);
} else {
//used for parallaxlayer mirroring
for (int i = 0; i < l; i++) {
const Canvas::ChildItem &ci2 = p_canvas->child_items[i];
_render_canvas_item_tree(p_render_target, nullptr, 0, ci2.item, p_transform, p_clip_rect, p_canvas->modulate, p_lights, p_default_filter, p_default_repeat);
_render_canvas_item_tree(p_render_target, nullptr, 0, ci2.item, p_transform, p_clip_rect, p_canvas->modulate, p_lights, p_default_filter, p_default_repeat, p_snap_2d_vertices_to_pixel);
//mirroring (useful for scrolling backgrounds)
if (ci2.mirror.x != 0) {
Transform2D xform2 = p_transform * Transform2D(0, Vector2(ci2.mirror.x, 0));
_render_canvas_item_tree(p_render_target, nullptr, 0, ci2.item, xform2, p_clip_rect, p_canvas->modulate, p_lights, p_default_filter, p_default_repeat);
_render_canvas_item_tree(p_render_target, nullptr, 0, ci2.item, xform2, p_clip_rect, p_canvas->modulate, p_lights, p_default_filter, p_default_repeat, p_snap_2d_vertices_to_pixel);
}
if (ci2.mirror.y != 0) {
Transform2D xform2 = p_transform * Transform2D(0, Vector2(0, ci2.mirror.y));
_render_canvas_item_tree(p_render_target, nullptr, 0, ci2.item, xform2, p_clip_rect, p_canvas->modulate, p_lights, p_default_filter, p_default_repeat);
_render_canvas_item_tree(p_render_target, nullptr, 0, ci2.item, xform2, p_clip_rect, p_canvas->modulate, p_lights, p_default_filter, p_default_repeat, p_snap_2d_vertices_to_pixel);
}
if (ci2.mirror.y != 0 && ci2.mirror.x != 0) {
Transform2D xform2 = p_transform * Transform2D(0, ci2.mirror);
_render_canvas_item_tree(p_render_target, nullptr, 0, ci2.item, xform2, p_clip_rect, p_canvas->modulate, p_lights, p_default_filter, p_default_repeat);
_render_canvas_item_tree(p_render_target, nullptr, 0, ci2.item, xform2, p_clip_rect, p_canvas->modulate, p_lights, p_default_filter, p_default_repeat, p_snap_2d_vertices_to_pixel);
}
}
}