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doublebuffered wayland #38

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IoI_xD merged 6 commits from doublebuffered into master 2026-09-14 07:09:45 +09:00
Conversation 0 Commits 6 Files changed 9 +7 -23
1 changed files with 7 additions and 23 deletions
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double buffering handled properly on child widgets

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IoIxD 2026-09-13 14:24:55 -07:00
commit 48756c2681

30
src/backend/wayland/wayland.c
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@ -925,8 +925,6 @@ static void draw_child(MwLL handle, MwLL child) {
while(topmost_parent->wayland.parent) topmost_parent = topmost_parent->wayland.parent; while(topmost_parent->wayland.parent) topmost_parent = topmost_parent->wayland.parent;
selected_cairo = handle->wayland.cairo.front_cairo_back;
wl_surface_commit(child->wayland.framebuffer.surface); wl_surface_commit(child->wayland.framebuffer.surface);
cs = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, child->wayland.ww, child->wayland.wh); cs = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, child->wayland.ww, child->wayland.wh);
@ -939,8 +937,8 @@ static void draw_child(MwLL handle, MwLL child) {
cairo_paint(c); cairo_paint(c);
cairo_set_source_surface(selected_cairo, cs, child->wayland.x, child->wayland.y); cairo_set_source_surface(handle->wayland.cairo.front_cairo_back, cs, child->wayland.x, child->wayland.y);
cairo_paint(selected_cairo); cairo_paint(handle->wayland.cairo.front_cairo_back);
cairo_destroy(c); cairo_destroy(c);
cairo_surface_destroy(cs); cairo_surface_destroy(cs);
@ -949,6 +947,8 @@ static void draw_child(MwLL handle, MwLL child) {
} }
static void draw_children(MwLL handle) { static void draw_children(MwLL handle) {
wl_surface_damage(handle->wayland.framebuffer.surface, 0, 0, handle->wayland.ww, handle->wayland.wh);
MwLLWaylandChildrenIterate(handle, draw_child); MwLLWaylandChildrenIterate(handle, draw_child);
if(handle->wayland.configured) MwLLWaylandBufferUpdate(handle, &handle->wayland.framebuffer); if(handle->wayland.configured) MwLLWaylandBufferUpdate(handle, &handle->wayland.framebuffer);
@ -959,10 +959,6 @@ static void cascade_child(MwLL handle, MwLL child) {
child->wayland.do_cascading_draw = 10; child->wayland.do_cascading_draw = 10;
} }
static void count_child(MwLL handle, MwLL child) {
handle->wayland.cascading_child_num++;
}
static void frontbuffer_draw(MwLL handle) { static void frontbuffer_draw(MwLL handle) {
cairo_t* c; cairo_t* c;
cairo_surface_t* cs; cairo_surface_t* cs;
@ -985,11 +981,7 @@ static void frontbuffer_draw(MwLL handle) {
} }
void MwLLWaylandCascadeChildren(MwLL handle) { void MwLLWaylandCascadeChildren(MwLL handle) {
handle->wayland.cascading_child_num = 0; handle->wayland.do_cascading_draw = 1;
MwLLWaylandChildrenIterate(handle, count_child);
handle->wayland.do_cascading_draw = handle->wayland.cascading_child_num * 10;
MwLLWaylandChildrenIterate(handle, cascade_child);
} }
static MwLL MwLLCreateImpl(MwLL parent, int x, int y, int width, int height) { static MwLL MwLLCreateImpl(MwLL parent, int x, int y, int width, int height) {
@ -1330,13 +1322,7 @@ static void MwLLEndDrawImpl(MwLL handle) {
} }
MwLLWaylandBufferUpdate(handle, &handle->wayland.framebuffer); MwLLWaylandBufferUpdate(handle, &handle->wayland.framebuffer);
// MwLLWaylandCascadeChildren(handle); MwLLWaylandCascadeChildren(handle);
draw_children(handle);
}
if(handle->wayland.type != MwLL_WAYLAND_SUBLEVEL) {
wl_surface_damage(handle->wayland.framebuffer.surface, 0, 0, handle->wayland.ww, handle->wayland.wh);
frontbuffer_draw(handle);
} }
} }
@ -1401,9 +1387,7 @@ static int MwLLPendingImpl(MwLL handle) {
if(handle->wayland.do_cascading_draw) { if(handle->wayland.do_cascading_draw) {
draw_children(handle); draw_children(handle);
frontbuffer_draw(handle);
if(handle->wayland.do_cascading_draw > 0)
handle->wayland.do_cascading_draw--;
} }
handle->wayland.end_time = MwTimeGetTick(); handle->wayland.end_time = MwTimeGetTick();