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rootston: damage tracking scale support

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emersion 2018-01-25 19:15:20 +01:00
parent 3f96427d08
commit 4223fbc763
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GPG key ID: 0FDE7BE0E88F5E48
4 changed files with 45 additions and 3 deletions
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9
include/wlr/util/region.h Normal file
View file

@ -0,0 +1,9 @@
#ifndef WLR_UTIL_REGION_H
#define WLR_UTIL_REGION_H
#include <pixman.h>
void wlr_region_scale(pixman_region32_t *dst, pixman_region32_t *src,
float scale);
#endif

8
rootston/output.c
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@ -8,6 +8,7 @@
#include <wlr/types/wlr_xdg_shell_v6.h> #include <wlr/types/wlr_xdg_shell_v6.h>
#include <wlr/render/matrix.h> #include <wlr/render/matrix.h>
#include <wlr/util/log.h> #include <wlr/util/log.h>
#include <wlr/util/region.h>
#include "rootston/server.h" #include "rootston/server.h"
#include "rootston/output.h" #include "rootston/output.h"
#include "rootston/config.h" #include "rootston/config.h"
@ -186,7 +187,7 @@ static void render_surface(struct wlr_surface *surface, double lx, double ly,
return; return;
} }
// TODO: output scale, output transform support // TODO: output transform support
pixman_region32_t damage; pixman_region32_t damage;
pixman_region32_init(&damage); pixman_region32_init(&damage);
pixman_region32_union_rect(&damage, &damage, box.x, box.y, pixman_region32_union_rect(&damage, &damage, box.x, box.y,
@ -257,7 +258,7 @@ static void render_decorations(struct roots_view *view,
struct wlr_box box; struct wlr_box box;
get_decoration_box(view, output, &box); get_decoration_box(view, output, &box);
// TODO: output scale, output transform support // TODO: output transform support
pixman_region32_t damage; pixman_region32_t damage;
pixman_region32_init(&damage); pixman_region32_init(&damage);
pixman_region32_union_rect(&damage, &damage, box.x, box.y, pixman_region32_union_rect(&damage, &damage, box.x, box.y,
@ -583,10 +584,11 @@ static void damage_from_surface(struct wlr_surface *surface,
return; return;
} }
// TODO: output scale, output transform support // TODO: output transform support
pixman_region32_t damage; pixman_region32_t damage;
pixman_region32_init(&damage); pixman_region32_init(&damage);
pixman_region32_copy(&damage, &surface->current->surface_damage); pixman_region32_copy(&damage, &surface->current->surface_damage);
wlr_region_scale(&damage, &damage, output->wlr_output->scale);
pixman_region32_translate(&damage, box.x, box.y); pixman_region32_translate(&damage, box.x, box.y);
pixman_region32_union(&output->damage, &output->damage, &damage); pixman_region32_union(&output->damage, &output->damage, &damage);
pixman_region32_fini(&damage); pixman_region32_fini(&damage);

2
util/meson.build
View file

@ -3,6 +3,8 @@ lib_wlr_util = static_library(
files( files(
'log.c', 'log.c',
'os-compatibility.c', 'os-compatibility.c',
'region.c',
), ),
include_directories: wlr_inc, include_directories: wlr_inc,
dependencies: [pixman],
) )

29
util/region.c Normal file
View file

@ -0,0 +1,29 @@
#include <stdlib.h>
#include <math.h>
#include <wlr/util/region.h>
void wlr_region_scale(pixman_region32_t *dst, pixman_region32_t *src,
float scale) {
if (scale == 1) {
pixman_region32_copy(dst, src);
return;
}
int nrects;
pixman_box32_t *src_rects = pixman_region32_rectangles(src, &nrects);
pixman_box32_t *dst_rects = malloc(nrects * sizeof(pixman_box32_t));
if (dst_rects == NULL) {
return;
}
for (int i = 0; i < nrects; ++i) {
dst_rects[i].x1 = floor(src_rects[i].x1 * scale);
dst_rects[i].x2 = ceil(src_rects[i].x2 * scale);
dst_rects[i].y1 = floor(src_rects[i].y1 * scale);
dst_rects[i].y2 = ceil(src_rects[i].y2 * scale);
}
pixman_region32_fini(dst);
pixman_region32_init_rects(dst, dst_rects, nrects);
}