From 5b08f910047429d397e1c9ef7f03e99579306c65 Mon Sep 17 00:00:00 2001 From: Kirill Primak Date: Wed, 10 Jan 2024 22:49:22 +0300 Subject: compositor: don't handle size or viewport src change in surface_update_damage() This is incorrectly leads to buffer reuploading. --- types/wlr_compositor.c | 66 ++++++++++++++++++++++---------------------------- 1 file changed, 29 insertions(+), 37 deletions(-) diff --git a/types/wlr_compositor.c b/types/wlr_compositor.c index 93d7e8cd..791eb77c 100644 --- a/types/wlr_compositor.c +++ b/types/wlr_compositor.c @@ -249,47 +249,39 @@ static void surface_update_damage(pixman_region32_t *buffer_damage, struct wlr_surface_state *current, struct wlr_surface_state *pending) { pixman_region32_clear(buffer_damage); - if (pending->width != current->width || - pending->height != current->height || - !wlr_fbox_equal(&pending->viewport.src, ¤t->viewport.src)) { - // Damage the whole buffer on resize or viewport source box change - pixman_region32_union_rect(buffer_damage, buffer_damage, 0, 0, - pending->buffer_width, pending->buffer_height); - } else { - // Copy over surface damage + buffer damage - pixman_region32_t surface_damage; - pixman_region32_init(&surface_damage); - - pixman_region32_copy(&surface_damage, &pending->surface_damage); - - if (pending->viewport.has_dst) { - int src_width, src_height; - surface_state_viewport_src_size(pending, &src_width, &src_height); - float scale_x = (float)pending->viewport.dst_width / src_width; - float scale_y = (float)pending->viewport.dst_height / src_height; - wlr_region_scale_xy(&surface_damage, &surface_damage, - 1.0 / scale_x, 1.0 / scale_y); - } - if (pending->viewport.has_src) { - // This is lossy: do a best-effort conversion - pixman_region32_translate(&surface_damage, - floor(pending->viewport.src.x), - floor(pending->viewport.src.y)); - } + // Copy over surface damage + buffer damage + pixman_region32_t surface_damage; + pixman_region32_init(&surface_damage); - wlr_region_scale(&surface_damage, &surface_damage, pending->scale); + pixman_region32_copy(&surface_damage, &pending->surface_damage); - int width, height; - surface_state_transformed_buffer_size(pending, &width, &height); - wlr_region_transform(&surface_damage, &surface_damage, - wlr_output_transform_invert(pending->transform), - width, height); + if (pending->viewport.has_dst) { + int src_width, src_height; + surface_state_viewport_src_size(pending, &src_width, &src_height); + float scale_x = (float)pending->viewport.dst_width / src_width; + float scale_y = (float)pending->viewport.dst_height / src_height; + wlr_region_scale_xy(&surface_damage, &surface_damage, + 1.0 / scale_x, 1.0 / scale_y); + } + if (pending->viewport.has_src) { + // This is lossy: do a best-effort conversion + pixman_region32_translate(&surface_damage, + floor(pending->viewport.src.x), + floor(pending->viewport.src.y)); + } - pixman_region32_union(buffer_damage, - &pending->buffer_damage, &surface_damage); + wlr_region_scale(&surface_damage, &surface_damage, pending->scale); - pixman_region32_fini(&surface_damage); - } + int width, height; + surface_state_transformed_buffer_size(pending, &width, &height); + wlr_region_transform(&surface_damage, &surface_damage, + wlr_output_transform_invert(pending->transform), + width, height); + + pixman_region32_union(buffer_damage, + &pending->buffer_damage, &surface_damage); + + pixman_region32_fini(&surface_damage); } static void *surface_synced_create_state(struct wlr_surface_synced *synced) { -- cgit v1.2.3