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picom
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Make monitor_repaint an option 

This is a potentially useful feature for debugging the xrender backend,
so make it a commandline option rather than an obscure compiler flag.

Also this is only usable with xrender, for glx there are better tools
for debugging.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
This commit is contained in:
Yuxuan Shui 2018-10-21 23:56:53 +01:00
parent 551d487836
commit 309a4cec79
2 changed files with 42 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
src/common.h
View File

@ -34,7 +34,6 @@
// #define DEBUG_GLX_ERR 1
// #define DEBUG_GLX_MARK 1
// #define DEBUG_GLX_PAINTREG 1
// #define MONITOR_REPAINT 1
// Whether to enable PCRE regular expression support in blacklists, enabled
// by default
@ -447,6 +446,8 @@ typedef struct ev_session_prepare ev_session_prepare;
/// Structure representing all options.
typedef struct options_t {
// === Debugging ===
bool monitor_repaint;
// === General ===
/// The configuration file we used.
char *config_file;

65
src/compton.c
View File

@ -1669,11 +1669,6 @@ paint_all(session_t *ps, region_t *region, const region_t *region_real, win * co
glx_paint_pre(ps, region);
#endif
#ifdef MONITOR_REPAINT
// Note: MONITOR_REPAINT cannot work with DBE right now.
// Picture old_tgt_buffer = ps->tgt_buffer.pict;
ps->tgt_buffer.pict = ps->tgt_picture;
#else
if (!paint_isvalid(ps, &ps->tgt_buffer)) {
if (!ps->tgt_buffer.pixmap) {
free_paint(ps, &ps->tgt_buffer);
@ -1688,28 +1683,11 @@ paint_all(session_t *ps, region_t *region, const region_t *region_real, win * co
ps->tgt_buffer.pict = x_create_picture_with_visual_and_pixmap(
ps, ps->vis, ps->tgt_buffer.pixmap, 0, 0);
}
#endif
if (BKEND_XRENDER == ps->o.backend) {
x_set_picture_clip_region(ps, ps->tgt_picture, 0, 0, region_real);
x_set_picture_clip_region(ps, ps->tgt_buffer.pict, 0, 0, region_real);
}
#ifdef MONITOR_REPAINT
switch (ps->o.backend) {
case BKEND_XRENDER:
xcb_render_composite(c, XCB_RENDER_PICT_OP_SRC, ps->black_picture, None,
ps->tgt_picture, 0, 0, 0, 0, 0, 0,
ps->root_width, ps->root_height);
break;
case BKEND_GLX:
case BKEND_XR_GLX_HYBRID:
glClearColor(0.0f, 0.0f, 1.0f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT);
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
break;
}
#endif
region_t reg_tmp, *reg_paint;
pixman_region32_init(&reg_tmp);
if (t) {
@ -1823,12 +1801,41 @@ paint_all(session_t *ps, region_t *region, const region_t *region_real, win * co
switch (ps->o.backend) {
case BKEND_XRENDER:
if (ps->tgt_buffer.pict != ps->tgt_picture) {
if (ps->o.monitor_repaint) {
// Copy the screen content to a new picture, and highlight the paint
// region. This is not very efficient, but since it's for debug only,
// we don't really care
// First, we clear tgt_buffer.pict's clip region, since we want to copy
// everything
x_set_picture_clip_region(ps, ps->tgt_buffer.pict, 0, 0, &ps->screen_reg);
// Then we create a new picture, and copy content to it
xcb_render_pictforminfo_t *pictfmt = x_get_pictform_for_visual(ps, ps->vis);
xcb_render_picture_t new_pict = x_create_picture(
ps, ps->root_width, ps->root_height, pictfmt, 0, NULL);
xcb_render_composite(ps->c, XCB_RENDER_PICT_OP_SRC, ps->tgt_buffer.pict,
None, new_pict, 0, 0, 0, 0, 0, 0, ps->root_width, ps->root_height);
// Next, we set the region of paint and highlight it
x_set_picture_clip_region(ps, new_pict, 0, 0, region_real);
xcb_render_composite(ps->c, XCB_RENDER_PICT_OP_OVER, ps->white_picture,
ps->alpha_picts[(int)(0.5 / ps->o.alpha_step)],
new_pict, 0, 0, 0, 0, 0, 0,
ps->root_width, ps->root_height);
// Finally, clear clip region and put the whole thing on screen
x_set_picture_clip_region(ps, new_pict, 0, 0, &ps->screen_reg);
xcb_render_composite(
ps->c, XCB_RENDER_PICT_OP_SRC, new_pict, None,
ps->tgt_picture, 0, 0, 0, 0,
0, 0, ps->root_width, ps->root_height);
xcb_render_free_picture(ps->c, new_pict);
} else
xcb_render_composite(
ps->c, XCB_RENDER_PICT_OP_SRC, ps->tgt_buffer.pict, None,
ps->tgt_picture, 0, 0, 0, 0,
0, 0, ps->root_width, ps->root_height);
}
break;
#ifdef CONFIG_OPENGL
case BKEND_XR_GLX_HYBRID:
@ -3457,6 +3464,9 @@ usage(int ret) {
"--benchmark-wid window-id\n"
" Specify window ID to repaint in benchmark mode. If omitted or is 0,\n"
" the whole screen is repainted.\n"
"--monitor-repaint\n"
" Highlight the updated area of the screen. For debugging the xrender\n"
" backend only.\n"
;
FILE *f = (ret ? stderr: stdout);
fputs(usage_text, f);
@ -3715,6 +3725,7 @@ get_cfg(session_t *ps, int argc, char *const *argv, bool first_pass) {
{ "no-name-pixmap", no_argument, NULL, 320 },
{ "reredir-on-root-change", no_argument, NULL, 731 },
{ "glx-reinit-on-root-change", no_argument, NULL, 732 },
{ "monitor-repaint", no_argument, NULL, 800 },
// Must terminate with a NULL entry
{ NULL, 0, NULL, 0 },
};
@ -3995,6 +4006,7 @@ get_cfg(session_t *ps, int argc, char *const *argv, bool first_pass) {
P_CASEBOOL(319, no_x_selection);
P_CASEBOOL(731, reredir_on_root_change);
P_CASEBOOL(732, glx_reinit_on_root_change);
P_CASEBOOL(800, monitor_repaint);
default:
usage(1);
break;
@ -4006,6 +4018,9 @@ get_cfg(session_t *ps, int argc, char *const *argv, bool first_pass) {
setlocale(LC_NUMERIC, lc_numeric_old);
free(lc_numeric_old);
if (ps->o.monitor_repaint && ps->o.backend != BKEND_XRENDER)
printf_errf("(): --monitor-repaint has no effect when backend is not xrender");
// Range checking and option assignments
ps->o.fade_delta = max_i(ps->o.fade_delta, 1);
ps->o.shadow_radius = max_i(ps->o.shadow_radius, 1);