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-rw-r--r--compton.c313
1 files changed, 250 insertions, 63 deletions
diff --git a/compton.c b/compton.c
index 7e005b638..f058bf927 100644
--- a/compton.c
+++ b/compton.c
@@ -70,6 +70,14 @@ static int (* const (VSYNC_FUNCS_WAIT[NUM_VSYNC]))(session_t *ps) = {
#endif
};
+/// Function pointers to deinitialize VSync.
+static void (* const (VSYNC_FUNCS_DEINIT[NUM_VSYNC]))(session_t *ps) = {
+#ifdef CONFIG_VSYNC_OPENGL
+ [VSYNC_OPENGL_SWC ] = vsync_opengl_swc_deinit,
+ [VSYNC_OPENGL_MSWC ] = vsync_opengl_mswc_deinit,
+#endif
+};
+
/// Names of root window properties that could point to a pixmap of
/// background.
const static char *background_props_str[] = {
@@ -1276,13 +1284,11 @@ win_paint_shadow(session_t *ps, win *w,
}
/**
- * Create an alternative picture for a window.
+ * Create an picture.
*/
static inline Picture
-win_build_picture(session_t *ps, win *w, XRenderPictFormat *pictfmt) {
- const int wid = w->widthb;
- const int hei = w->heightb;
-
+xr_build_picture(session_t *ps, int wid, int hei,
+ XRenderPictFormat *pictfmt) {
if (!pictfmt)
pictfmt = XRenderFindVisualFormat(ps->dpy, ps->vis);
@@ -1300,6 +1306,73 @@ win_build_picture(session_t *ps, win *w, XRenderPictFormat *pictfmt) {
}
/**
+ * @brief Blur an area on a buffer.
+ *
+ * @param ps current session
+ * @param tgt_buffer a buffer as both source and destination
+ * @param x x pos
+ * @param y y pos
+ * @param wid width
+ * @param hei height
+ * @param blur_kerns blur kernels, ending with a NULL, guaranteed to have at
+ * least one kernel
+ * @param reg_clip a clipping region to be applied on intermediate buffers
+ *
+ * @return true if successful, false otherwise
+ */
+static bool
+xr_blur_dst(session_t *ps, Picture tgt_buffer,
+ int x, int y, int wid, int hei, XFixed **blur_kerns,
+ XserverRegion reg_clip) {
+ assert(blur_kerns[0]);
+
+ // Directly copying from tgt_buffer to it does not work, so we create a
+ // Picture in the middle.
+ Picture tmp_picture = xr_build_picture(ps, wid, hei, NULL);
+
+ if (!tmp_picture) {
+ printf_errf("(): Failed to build intermediate Picture.");
+ return false;
+ }
+
+ if (reg_clip && tmp_picture)
+ XFixesSetPictureClipRegion(ps->dpy, tmp_picture, reg_clip, 0, 0);
+
+ Picture src_pict = tgt_buffer, dst_pict = tmp_picture;
+ for (int i = 0; blur_kerns[i]; ++i) {
+ assert(i < MAX_BLUR_PASS - 1);
+ XFixed *convolution_blur = blur_kerns[i];
+ int kwid = XFixedToDouble(convolution_blur[0]),
+ khei = XFixedToDouble(convolution_blur[1]);
+ bool rd_from_tgt = (tgt_buffer == src_pict);
+
+ // Copy from source picture to destination. The filter must
+ // be applied on source picture, to get the nearby pixels outside the
+ // window.
+ XRenderSetPictureFilter(ps->dpy, src_pict, XRFILTER_CONVOLUTION,
+ convolution_blur, kwid * khei + 2);
+ XRenderComposite(ps->dpy, PictOpSrc, src_pict, None, dst_pict,
+ (rd_from_tgt ? x: 0), (rd_from_tgt ? y: 0), 0, 0,
+ (rd_from_tgt ? 0: x), (rd_from_tgt ? 0: y), wid, hei);
+ xrfilter_reset(ps, src_pict);
+
+ {
+ XserverRegion tmp = src_pict;
+ src_pict = dst_pict;
+ dst_pict = tmp;
+ }
+ }
+
+ if (src_pict != tgt_buffer)
+ XRenderComposite(ps->dpy, PictOpSrc, src_pict, None, tgt_buffer,
+ 0, 0, 0, 0, x, y, wid, hei);
+
+ free_picture(ps, &tmp_picture);
+
+ return true;
+}
+
+/**
* Blur the background of a window.
*/
static inline void
@@ -1321,46 +1394,63 @@ win_blur_background(session_t *ps, win *w, Picture tgt_buffer,
switch (ps->o.backend) {
case BKEND_XRENDER:
{
- // 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);
+ // Normalize blur kernels
+ for (int i = 0; i < MAX_BLUR_PASS; ++i) {
+ XFixed *kern_src = ps->o.blur_kerns[i];
+ XFixed *kern_dst = ps->blur_kerns_cache[i];
+ assert(i < MAX_BLUR_PASS);
+ if (!kern_src) {
+ assert(!kern_dst);
+ break;
+ }
+
+ assert(!kern_dst
+ || (kern_src[0] == kern_dst[0] && kern_src[1] == kern_dst[1]));
+
+ // Skip for fixed factor_center if the cache exists already
+ if (ps->o.blur_background_fixed && kern_dst) continue;
+
+ int kwid = XFixedToDouble(kern_src[0]),
+ khei = XFixedToDouble(kern_src[1]);
- if (!tmp_picture)
- return;
+ // Allocate cache space if needed
+ if (!kern_dst) {
+ kern_dst = malloc((kwid * khei + 2) * sizeof(XFixed));
+ if (!kern_dst) {
+ printf_errf("(): Failed to allocate memory for blur kernel.");
+ return;
+ }
+ ps->blur_kerns_cache[i] = kern_dst;
+ }
- XFixed *convolution_blur = ps->o.blur_kern;
- int kwid = XFixedToDouble((ps->o.blur_kern[0])),
- khei = XFixedToDouble((ps->o.blur_kern[1]));
+ // Modify the factor of the center pixel
+ kern_src[2 + (khei / 2) * kwid + kwid / 2] =
+ XDoubleToFixed(factor_center);
- // Modify the factor of the center pixel
- convolution_blur[2 + (khei / 2) * kwid + kwid / 2] = XDoubleToFixed(factor_center);
+ // Copy over
+ memcpy(kern_dst, kern_src, (kwid * khei + 2) * sizeof(XFixed));
+ normalize_conv_kern(kwid, khei, kern_dst + 2);
+ }
// 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_noframe = None;
+ if (WMODE_SOLID == w->mode) {
XserverRegion reg_all = border_size(ps, w, false);
- XserverRegion reg_noframe = win_get_region_noframe(ps, w, false);
+ 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, convolution_blur, kwid * khei + 2);
- 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);
+ xr_blur_dst(ps, tgt_buffer, x, y, wid, hei, ps->blur_kerns_cache,
+ reg_noframe);
+ free_region(ps, &reg_noframe);
}
break;
-#ifdef CONFIG_VSYNC_OPENGL
+#ifdef CONFIG_VSYNC_OPENGL_GLSL
case BKEND_GLX:
+ // TODO: Handle frame opacity
glx_blur_dst(ps, x, y, wid, hei, ps->glx_z - 0.5, factor_center,
- reg_paint, pcache_reg);
+ reg_paint, pcache_reg, &w->glx_blur_cache);
break;
#endif
default:
@@ -1447,7 +1537,7 @@ win_paint_win(session_t *ps, win *w, XserverRegion reg_paint,
// Invert window color, if required
if (BKEND_XRENDER == ps->o.backend && w->invert_color) {
- Picture newpict = win_build_picture(ps, w, w->pictfmt);
+ Picture newpict = xr_build_picture(ps, wid, hei, w->pictfmt);
if (newpict) {
// Apply clipping region to save some CPU
if (reg_paint) {
@@ -1993,14 +2083,8 @@ map_win(session_t *ps, Window id) {
win_determine_shadow(ps, w);
// Set fading state
- w->in_openclose = false;
- if (ps->o.no_fading_openclose) {
- set_fade_callback(ps, w, finish_map_win, true);
- w->in_openclose = true;
- }
- else {
- set_fade_callback(ps, w, NULL, true);
- }
+ w->in_openclose = true;
+ set_fade_callback(ps, w, finish_map_win, true);
win_determine_fade(ps, w);
win_determine_blur_background(ps, w);
@@ -2066,9 +2150,7 @@ unmap_win(session_t *ps, win *w) {
// Fading out
w->flags |= WFLAG_OPCT_CHANGE;
set_fade_callback(ps, w, unmap_callback, false);
- if (ps->o.no_fading_openclose) {
- w->in_openclose = true;
- }
+ w->in_openclose = true;
win_determine_fade(ps, w);
// Validate pixmap if we have to do fading
@@ -2195,7 +2277,9 @@ calc_dim(session_t *ps, win *w) {
*/
static void
win_determine_fade(session_t *ps, win *w) {
- if ((ps->o.no_fading_openclose && w->in_openclose)
+ if (UNSET != w->fade_force)
+ w->fade = w->fade_force;
+ else if ((ps->o.no_fading_openclose && w->in_openclose)
|| win_match(ps, w, ps->o.fade_blacklist, &w->cache_fblst))
w->fade = false;
else
@@ -2593,6 +2677,7 @@ add_win(session_t *ps, Window id, Window prev) {
.opacity_prop_client = OPAQUE,
.fade = false,
+ .fade_force = UNSET,
.fade_callback = NULL,
.frame_opacity = 0.0,
@@ -3418,6 +3503,19 @@ win_set_shadow_force(session_t *ps, win *w, switch_t val) {
if (val != w->shadow_force) {
w->shadow_force = val;
win_determine_shadow(ps, w);
+ ps->ev_received = true;
+ }
+}
+
+/**
+ * Set w->fade_force of a window.
+ */
+void
+win_set_fade_force(session_t *ps, win *w, switch_t val) {
+ if (val != w->fade_force) {
+ w->fade_force = val;
+ win_determine_fade(ps, w);
+ ps->ev_received = true;
}
}
@@ -3429,6 +3527,7 @@ win_set_focused_force(session_t *ps, win *w, switch_t val) {
if (val != w->focused_force) {
w->focused_force = val;
win_update_focused(ps, w);
+ ps->ev_received = true;
}
}
@@ -3440,6 +3539,7 @@ win_set_invert_color_force(session_t *ps, win *w, switch_t val) {
if (val != w->invert_color_force) {
w->invert_color_force = val;
win_determine_invert_color(ps, w);
+ ps->ev_received = true;
}
}
@@ -3465,6 +3565,20 @@ opts_init_track_focus(session_t *ps) {
// Recheck focus
recheck_focus(ps);
}
+
+/**
+ * Set no_fading_openclose option.
+ */
+void
+opts_set_no_fading_openclose(session_t *ps, bool newval) {
+ if (newval != ps->o.no_fading_openclose) {
+ ps->o.no_fading_openclose = newval;
+ for (win *w = ps->list; w; w = w->next)
+ win_determine_fade(ps, w);
+ ps->ev_received = true;
+ }
+}
+
//!@}
#endif
@@ -4222,6 +4336,8 @@ usage(int ret) {
" --blur-background-fixed.\n"
" A 7x7 Guassian blur kernel looks like:\n"
" --blur-kern '7,7,0.000003,0.000102,0.000849,0.001723,0.000849,0.000102,0.000003,0.000102,0.003494,0.029143,0.059106,0.029143,0.003494,0.000102,0.000849,0.029143,0.243117,0.493069,0.243117,0.029143,0.000849,0.001723,0.059106,0.493069,0.493069,0.059106,0.001723,0.000849,0.029143,0.243117,0.493069,0.243117,0.029143,0.000849,0.000102,0.003494,0.029143,0.059106,0.029143,0.003494,0.000102,0.000003,0.000102,0.000849,0.001723,0.000849,0.000102,0.000003'\n"
+ " Up to 4 blur kernels may be specified, separated with semicolon, for\n"
+ " multi-pass blur.\n"
" May also be one the predefined kernels: 3x3box (default), 5x5box,\n"
" 7x7box, 3x3gaussian, 5x5gaussian, 7x7gaussian, 9x9gaussian,\n"
" 11x11gaussian.\n"
@@ -4419,7 +4535,7 @@ parse_matrix_readnum(const char *src, double *dest) {
* Parse a matrix.
*/
static inline XFixed *
-parse_matrix(session_t *ps, const char *src) {
+parse_matrix(session_t *ps, const char *src, const char **endptr) {
int wid = 0, hei = 0;
const char *pc = NULL;
XFixed *matrix = NULL;
@@ -4481,12 +4597,28 @@ parse_matrix(session_t *ps, const char *src) {
}
// Detect trailing characters
- for ( ;*pc; ++pc)
+ for ( ;*pc && ';' != *pc; ++pc)
if (!isspace(*pc) && ',' != *pc) {
printf_errf("(): Trailing characters in matrix string.");
goto parse_matrix_err;
}
+ // Jump over spaces after ';'
+ if (';' == *pc) {
+ ++pc;
+ while (*pc && isspace(*pc))
+ ++pc;
+ }
+
+ // Require an end of string if endptr is not provided, otherwise
+ // copy end pointer to endptr
+ if (endptr)
+ *endptr = pc;
+ else if (*pc) {
+ printf_errf("(): Only one matrix expected.");
+ goto parse_matrix_err;
+ }
+
// Fill in width and height
matrix[0] = XDoubleToFixed(wid);
matrix[1] = XDoubleToFixed(hei);
@@ -4502,7 +4634,12 @@ parse_matrix_err:
* Parse a convolution kernel.
*/
static inline XFixed *
-parse_conv_kern(session_t *ps, const char *src) {
+parse_conv_kern(session_t *ps, const char *src, const char **endptr) {
+ return parse_matrix(ps, src, endptr);
+}
+
+static bool
+parse_conv_kern_lst(session_t *ps, const char *src, XFixed **dest, int max) {
static const struct {
const char *name;
const char *kern_str;
@@ -4519,8 +4656,30 @@ parse_conv_kern(session_t *ps, const char *src) {
for (int i = 0;
i < sizeof(CONV_KERN_PREDEF) / sizeof(CONV_KERN_PREDEF[0]); ++i)
if (!strcmp(CONV_KERN_PREDEF[i].name, src))
- return parse_matrix(ps, CONV_KERN_PREDEF[i].kern_str);
- return parse_matrix(ps, src);
+ return parse_conv_kern_lst(ps, CONV_KERN_PREDEF[i].kern_str, dest, max);
+
+ int i = 0;
+ const char *pc = src;
+
+ // Free old kernels
+ for (i = 0; i < max; ++i) {
+ free(dest[i]);
+ dest[i] = NULL;
+ }
+
+ // Continue parsing until the end of source string
+ i = 0;
+ while (pc && *pc && i < max - 1) {
+ if (!(dest[i++] = parse_conv_kern(ps, pc, &pc)))
+ return false;
+ }
+
+ if (*pc) {
+ printf_errf("(): Too many blur kernels!");
+ return false;
+ }
+
+ return true;
}
#ifdef CONFIG_LIBCONFIG
@@ -5115,9 +5274,9 @@ get_cfg(session_t *ps, int argc, char *const *argv, bool first_pass) {
break;
case 301:
// --blur-kern
- free(ps->o.blur_kern);
- if (!(ps->o.blur_kern = parse_conv_kern(ps, optarg)))
+ if (!parse_conv_kern_lst(ps, optarg, ps->o.blur_kerns, MAX_BLUR_PASS))
exit(1);
+ break;
case 302:
// --resize-damage
ps->o.resize_damage = atoi(optarg);
@@ -5187,7 +5346,7 @@ get_cfg(session_t *ps, int argc, char *const *argv, bool first_pass) {
}
// Fill default blur kernel
- if (ps->o.blur_background && !ps->o.blur_kern) {
+ if (ps->o.blur_background && !ps->o.blur_kerns[0]) {
// 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
@@ -5200,12 +5359,12 @@ get_cfg(session_t *ps, int argc, char *const *argv, bool first_pass) {
XDoubleToFixed(1), XDoubleToFixed(1), XDoubleToFixed(1),
XDoubleToFixed(1), XDoubleToFixed(1), XDoubleToFixed(1),
};
- ps->o.blur_kern = malloc(sizeof(convolution_blur));
- if (!ps->o.blur_kern) {
+ ps->o.blur_kerns[0] = malloc(sizeof(convolution_blur));
+ if (!ps->o.blur_kerns[0]) {
printf_errf("(): Failed to allocate memory for convolution kernel.");
exit(1);
}
- memcpy(ps->o.blur_kern, &convolution_blur, sizeof(convolution_blur));
+ memcpy(ps->o.blur_kerns[0], &convolution_blur, sizeof(convolution_blur));
}
}
@@ -5536,6 +5695,19 @@ vsync_opengl_oml_wait(session_t *ps) {
return 0;
}
+
+static void
+vsync_opengl_swc_deinit(session_t *ps) {
+ // The standard says it doesn't accept 0, but in fact it probably does
+ if (ps->glx_context && ps->glXSwapIntervalProc)
+ ps->glXSwapIntervalProc(0);
+}
+
+static void
+vsync_opengl_mswc_deinit(session_t *ps) {
+ if (ps->glx_context && ps->glXSwapIntervalMESAProc)
+ ps->glXSwapIntervalMESAProc(0);
+}
#endif
/**
@@ -5565,6 +5737,16 @@ vsync_wait(session_t *ps) {
}
/**
+ * Deinitialize current VSync method.
+ */
+void
+vsync_deinit(session_t *ps) {
+ if (ps->o.vsync && VSYNC_FUNCS_DEINIT[ps->o.vsync])
+ VSYNC_FUNCS_DEINIT[ps->o.vsync](ps);
+ ps->o.vsync = VSYNC_NONE;
+}
+
+/**
* Pregenerate alpha pictures.
*/
static void
@@ -6030,7 +6212,7 @@ session_init(session_t *ps_old, int argc, char **argv) {
.blur_background_frame = false,
.blur_background_fixed = false,
.blur_background_blacklist = NULL,
- .blur_kern = NULL,
+ .blur_kerns = { NULL },
.inactive_dim = 0.0,
.inactive_dim_fixed = false,
.invert_color_list = NULL,
@@ -6096,12 +6278,6 @@ session_init(session_t *ps_old, int argc, char **argv) {
.glXWaitVideoSyncSGI = NULL,
.glXGetSyncValuesOML = NULL,
.glXWaitForMscOML = NULL,
-
-#ifdef CONFIG_VSYNC_OPENGL_GLSL
- .glx_prog_blur_unifm_offset_x = -1,
- .glx_prog_blur_unifm_offset_y = -1,
- .glx_prog_blur_unifm_factor_center = -1,
-#endif
#endif
.xfixes_event = 0,
@@ -6151,6 +6327,14 @@ session_init(session_t *ps_old, int argc, char **argv) {
// Allocate a session and copy default values into it
session_t *ps = malloc(sizeof(session_t));
memcpy(ps, &s_def, sizeof(session_t));
+#ifdef CONFIG_VSYNC_OPENGL_GLSL
+ for (int i = 0; i < MAX_BLUR_PASS; ++i) {
+ glx_blur_pass_t *ppass = &ps->glx_blur_passes[i];
+ ppass->unifm_factor_center = -1;
+ ppass->unifm_offset_x = -1;
+ ppass->unifm_offset_y = -1;
+ }
+#endif
ps_g = ps;
ps->ignore_tail = &ps->ignore_head;
gettimeofday(&ps->time_start, NULL);
@@ -6513,7 +6697,10 @@ session_destroy(session_t *ps) {
free(ps->o.display);
free(ps->o.logpath);
free(ps->o.config_file);
- free(ps->o.blur_kern);
+ for (int i = 0; i < MAX_BLUR_PASS; ++i) {
+ free(ps->o.blur_kerns[i]);
+ free(ps->blur_kerns_cache[i]);
+ }
free(ps->pfds_read);
free(ps->pfds_write);
free(ps->pfds_except);