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-rw-r--r--compton.c98
1 files changed, 57 insertions, 41 deletions
diff --git a/compton.c b/compton.c
index 2b1ca9204..9e8623ea8 100644
--- a/compton.c
+++ b/compton.c
@@ -1329,60 +1329,76 @@ win_build_picture(session_t *ps, win *w, XRenderPictFormat *pictfmt) {
static inline void
win_blur_background(session_t *ps, win *w, Picture tgt_buffer,
XserverRegion reg_paint) {
- const static int convolution_blur_size = 3;
- // Convolution filter parameter (box blur)
- // gaussian or binomial filters are definitely superior, yet looks
- // like they aren't supported as of xorg-server-1.13.0
- XFixed convolution_blur[] = {
- // Must convert to XFixed with XDoubleToFixed()
- // Matrix size
- XDoubleToFixed(convolution_blur_size),
- XDoubleToFixed(convolution_blur_size),
- // Matrix
- XDoubleToFixed(1), XDoubleToFixed(1), XDoubleToFixed(1),
- XDoubleToFixed(1), XDoubleToFixed(1), XDoubleToFixed(1),
- XDoubleToFixed(1), XDoubleToFixed(1), XDoubleToFixed(1),
- };
-
const int x = w->a.x;
const int y = w->a.y;
const int wid = w->widthb;
const int hei = w->heightb;
- // Directly copying from tgt_buffer does not work, so we create a
- // Picture in the middle.
- Picture tmp_picture = win_build_picture(ps, w, NULL);
-
- if (!tmp_picture)
- return;
-
+ double factor_center = 1.0;
// Adjust blur strength according to window opacity, to make it appear
// better during fading
if (!ps->o.blur_background_fixed) {
double pct = 1.0 - get_opacity_percent(w) * (1.0 - 1.0 / 9.0);
- convolution_blur[2 + convolution_blur_size + ((convolution_blur_size - 1) / 2)] = XDoubleToFixed(pct * 8.0 / (1.1 - pct));
+ factor_center = pct * 8.0 / (1.1 - pct);
}
- // Minimize the region we try to blur, if the window itself is not
- // opaque, only the frame is.
- if (WMODE_SOLID == w->mode && w->frame_opacity) {
- XserverRegion reg_all = border_size(ps, w, false);
- XserverRegion reg_noframe = win_get_region_noframe(ps, w, false);
- XFixesSubtractRegion(ps->dpy, reg_noframe, reg_all, reg_noframe);
- XFixesSetPictureClipRegion(ps->dpy, tmp_picture, reg_noframe, 0, 0);
- free_region(ps, &reg_all);
- free_region(ps, &reg_noframe);
- }
+ switch (ps->o.backend) {
+ case BKEND_XRENDER:
+ {
+ const static int convolution_blur_size = 3;
+ // Convolution filter parameter (box blur)
+ // gaussian or binomial filters are definitely superior, yet looks
+ // like they aren't supported as of xorg-server-1.13.0
+ XFixed convolution_blur[] = {
+ // Must convert to XFixed with XDoubleToFixed()
+ // Matrix size
+ XDoubleToFixed(convolution_blur_size),
+ XDoubleToFixed(convolution_blur_size),
+ // Matrix
+ XDoubleToFixed(1), XDoubleToFixed(1), XDoubleToFixed(1),
+ XDoubleToFixed(1), XDoubleToFixed(1), XDoubleToFixed(1),
+ XDoubleToFixed(1), XDoubleToFixed(1), XDoubleToFixed(1),
+ };
+
+ // Directly copying from tgt_buffer does not work, so we create a
+ // Picture in the middle.
+ Picture tmp_picture = win_build_picture(ps, w, NULL);
+
+ if (!tmp_picture)
+ return;
- // Copy the content to tmp_picture, then copy back. The filter must
- // be applied on tgt_buffer, to get the nearby pixels outside the
- // window.
- XRenderSetPictureFilter(ps->dpy, tgt_buffer, XRFILTER_CONVOLUTION, (XFixed *) convolution_blur, sizeof(convolution_blur) / sizeof(XFixed));
- XRenderComposite(ps->dpy, PictOpSrc, tgt_buffer, None, tmp_picture, x, y, 0, 0, 0, 0, wid, hei);
- xrfilter_reset(ps, tgt_buffer);
- XRenderComposite(ps->dpy, PictOpSrc, tmp_picture, None, tgt_buffer, 0, 0, 0, 0, x, y, wid, hei);
+ convolution_blur[2 + convolution_blur_size + ((convolution_blur_size - 1) / 2)] = XDoubleToFixed(factor_center);
- free_picture(ps, &tmp_picture);
+ // Minimize the region we try to blur, if the window itself is not
+ // opaque, only the frame is.
+ if (WMODE_SOLID == w->mode && w->frame_opacity) {
+ XserverRegion reg_all = border_size(ps, w, false);
+ XserverRegion reg_noframe = win_get_region_noframe(ps, w, false);
+ XFixesSubtractRegion(ps->dpy, reg_noframe, reg_all, reg_noframe);
+ XFixesSetPictureClipRegion(ps->dpy, tmp_picture, reg_noframe, 0, 0);
+ free_region(ps, &reg_all);
+ free_region(ps, &reg_noframe);
+ }
+
+ // Copy the content to tmp_picture, then copy back. The filter must
+ // be applied on tgt_buffer, to get the nearby pixels outside the
+ // window.
+ XRenderSetPictureFilter(ps->dpy, tgt_buffer, XRFILTER_CONVOLUTION, (XFixed *) convolution_blur, sizeof(convolution_blur) / sizeof(XFixed));
+ XRenderComposite(ps->dpy, PictOpSrc, tgt_buffer, None, tmp_picture, x, y, 0, 0, 0, 0, wid, hei);
+ xrfilter_reset(ps, tgt_buffer);
+ XRenderComposite(ps->dpy, PictOpSrc, tmp_picture, None, tgt_buffer, 0, 0, 0, 0, x, y, wid, hei);
+
+ free_picture(ps, &tmp_picture);
+ }
+ break;
+#ifdef CONFIG_VSYNC_OPENGL
+ case BKEND_GLX:
+ glx_blur_dst(ps, x, y, wid, hei, ps->glx_z - 0.5, factor_center);
+ break;
+#endif
+ default:
+ assert(0);
+ }
}
static void