BitHeaven/picom
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

backend: fix rendering shadow with opacity

Browse Source 
Shadow opacity should be multiplied with the window's opacity.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
This commit is contained in:
Yuxuan Shui
2019-03-10 19:56:55 +00:00
parent 0bd08f4ab4
commit 9296706f7b
2 changed files with 25 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
src/backend/xrender.c
View File

@@ -348,12 +348,10 @@ static bool image_op(backend_t *base, enum image_operations op, void *image,
struct _xrender_data *xd = (void *)base;
struct _xrender_image_data *img = image;
region_t reg;
double dim_opacity;
double alpha_multiplier;
double *dargs = arg;
int *iargs = arg;
if (op == IMAGE_OP_APPLY_ALPHA_ALL) {
alpha_multiplier = *(double *)arg;
img->opacity *= alpha_multiplier;
img->opacity *= dargs[0];
img->has_alpha = true;
return true;
}
@@ -388,10 +386,9 @@ static bool image_op(backend_t *base, enum image_operations op, void *image,
break;
case IMAGE_OP_DIM_ALL:
x_set_picture_clip_region(base->c, img->pict, 0, 0, reg_visible);
dim_opacity = *(double *)arg;
xcb_render_color_t color = {
.red = 0, .green = 0, .blue = 0, .alpha = 0xffff * dim_opacity};
.red = 0, .green = 0, .blue = 0, .alpha = 0xffff * dargs[0]};
// Dim the actually content of window
xcb_rectangle_t rect = {
@@ -411,12 +408,11 @@ static bool image_op(backend_t *base, enum image_operations op, void *image,
break;
}
alpha_multiplier = *(double *)arg;
if (alpha_multiplier == 1) {
if (dargs[0] == 1) {
break;
}
auto alpha_pict = xd->alpha_pict[(int)(alpha_multiplier * 255)];
auto alpha_pict = xd->alpha_pict[(int)(dargs[0] * 255)];
x_set_picture_clip_region(base->c, img->pict, 0, 0, &reg);
xcb_render_composite(base->c, XCB_RENDER_PICT_OP_IN, img->pict, XCB_NONE,
alpha_pict, 0, 0, 0, 0, 0, 0, img->width, img->height);
@@ -438,22 +434,21 @@ static void *copy(backend_t *base, const void *image, const region_t *reg) {
auto new_img = ccalloc(1, struct _xrender_image_data);
assert(img->visual != XCB_NONE);
log_trace("xrender: copying %#010x visual %#x", img->pixmap, img->visual);
*new_img = *img;
x_set_picture_clip_region(base->c, img->pict, 0, 0, reg);
new_img->has_alpha = img->has_alpha;
new_img->width = img->width;
new_img->height = img->height;
new_img->visual = img->visual;
new_img->pixmap =
x_create_pixmap(base->c, img->depth, base->root, img->width, img->height);
new_img->opacity = 1;
new_img->owned = true;
if (new_img->pixmap == XCB_NONE) {
log_error("Failed to create pixmap for copy");
free(new_img);
return NULL;
}
new_img->pict = x_create_picture_with_visual_and_pixmap(base->c, img->visual,
new_img->pixmap, 0, NULL);
if (new_img->pixmap == XCB_NONE) {
if (new_img->pict == XCB_NONE) {
log_error("Failed to create picture for copy");
xcb_free_pixmap(base->c, new_img->pixmap);
free(new_img);
return NULL;