diff options
Diffstat (limited to 'libs/cairo-1.16.0/util/cairo-fdr')
| -rw-r--r-- | libs/cairo-1.16.0/util/cairo-fdr/Makefile.am | 15 | ||||
| -rw-r--r-- | libs/cairo-1.16.0/util/cairo-fdr/Makefile.in | 779 | ||||
| -rw-r--r-- | libs/cairo-1.16.0/util/cairo-fdr/fdr.c | 331 |
3 files changed, 1125 insertions, 0 deletions
diff --git a/libs/cairo-1.16.0/util/cairo-fdr/Makefile.am b/libs/cairo-1.16.0/util/cairo-fdr/Makefile.am new file mode 100644 index 0000000..5cd5422 --- /dev/null +++ b/libs/cairo-1.16.0/util/cairo-fdr/Makefile.am @@ -0,0 +1,15 @@ +cairolibdir = $(libdir)/cairo + +#bin_SCRIPTS = cairo-fdr +cairolib_LTLIBRARIES = cairo-fdr.la + +AM_CPPFLAGS = -I$(top_srcdir)/src \ + -I$(top_builddir)/src + +cairo_fdr_la_SOURCES = fdr.c +cairo_fdr_la_CPPFLAGS = $(AM_CPPFLAGS) +cairo_fdr_la_CFLAGS = $(CAIRO_CFLAGS) +cairo_fdr_la_LDFLAGS = -module -no-undefined -avoid-version +if CAIRO_HAS_DL +cairo_fdr_la_LIBADD = -ldl +endif diff --git a/libs/cairo-1.16.0/util/cairo-fdr/Makefile.in b/libs/cairo-1.16.0/util/cairo-fdr/Makefile.in new file mode 100644 index 0000000..a71f6f5 --- /dev/null +++ b/libs/cairo-1.16.0/util/cairo-fdr/Makefile.in @@ -0,0 +1,779 @@ +# Makefile.in generated by automake 1.15.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2017 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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tags tags-am uninstall \ + uninstall-am uninstall-cairolibLTLIBRARIES + +.PRECIOUS: Makefile + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/libs/cairo-1.16.0/util/cairo-fdr/fdr.c b/libs/cairo-1.16.0/util/cairo-fdr/fdr.c new file mode 100644 index 0000000..08d9c01 --- /dev/null +++ b/libs/cairo-1.16.0/util/cairo-fdr/fdr.c @@ -0,0 +1,331 @@ +/* cairo-fdr - a 'flight data recorder', a black box, for cairo + * + * Copyright © 2009 Chris Wilson + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#define _GNU_SOURCE + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <cairo.h> +#include <cairo-script.h> +#include <cairo-tee.h> +#include <stdlib.h> +#include <assert.h> +#include <signal.h> + +#include <dlfcn.h> + +static void *_dlhandle = RTLD_NEXT; +#define DLCALL(name, args...) ({ \ + static typeof (&name) name##_real; \ + if (name##_real == NULL) { \ + name##_real = dlsym (_dlhandle, #name); \ + if (name##_real == NULL && _dlhandle == RTLD_NEXT) { \ + _dlhandle = dlopen ("libcairo.so", RTLD_LAZY); \ + name##_real = dlsym (_dlhandle, #name); \ + assert (name##_real != NULL); \ + } \ + } \ + (*name##_real) (args); \ +}) + +#define RINGBUFFER_SIZE 16 +static cairo_surface_t *fdr_ringbuffer[RINGBUFFER_SIZE]; +static int fdr_position; +static int fdr_dump; + +static const cairo_user_data_key_t fdr_key; + +static void +fdr_replay_to_script (cairo_surface_t *recording, cairo_device_t *ctx) +{ + if (recording != NULL) { + DLCALL (cairo_script_write_comment, ctx, "--- fdr ---", -1); + DLCALL (cairo_script_from_recording_surface, ctx, recording); + } +} + +static void +fdr_dump_ringbuffer (void) +{ + cairo_device_t *ctx; + int n; + + ctx = DLCALL (cairo_script_create, "/tmp/fdr.trace"); + + for (n = fdr_position; n < RINGBUFFER_SIZE; n++) + fdr_replay_to_script (fdr_ringbuffer[n], ctx); + + for (n = 0; n < fdr_position; n++) + fdr_replay_to_script (fdr_ringbuffer[n], ctx); + + DLCALL (cairo_device_destroy, ctx); +} + +static void +fdr_sighandler (int sig) +{ + fdr_dump = 1; +} + +static void +fdr_urgent_sighandler (int sig) +{ + fdr_dump_ringbuffer (); +} + +static void +fdr_atexit (void) +{ + if (fdr_dump) + fdr_dump_ringbuffer (); +} + +static void +fdr_pending_signals (void) +{ + static int initialized; + + if (! initialized) { + initialized = 1; + + signal (SIGUSR1, fdr_sighandler); + + signal (SIGSEGV, fdr_urgent_sighandler); + signal (SIGABRT, fdr_urgent_sighandler); + atexit (fdr_atexit); + } + + if (fdr_dump) { + fdr_dump_ringbuffer (); + fdr_dump = 0; + } +} + +static void +fdr_get_extents (cairo_surface_t *surface, + cairo_rectangle_t *extents) +{ + cairo_t *cr; + + cr = DLCALL (cairo_create, surface); + DLCALL (cairo_clip_extents, cr, + &extents->x, &extents->y, &extents->width, &extents->height); + DLCALL (cairo_destroy, cr); + + extents->width -= extents->x; + extents->height -= extents->y; +} + +static void +fdr_surface_destroy (void *surface) +{ + DLCALL (cairo_surface_destroy, surface); +} + +static void +fdr_surface_reference (void *surface) +{ + DLCALL (cairo_surface_reference, surface); +} + +static cairo_surface_t * +fdr_surface_get_tee (cairo_surface_t *surface) +{ + return DLCALL (cairo_surface_get_user_data, surface, &fdr_key); +} + +static cairo_surface_t * +fdr_tee_surface_index (cairo_surface_t *surface, int index) +{ + return DLCALL (cairo_tee_surface_index, surface, index); +} + +cairo_t * +cairo_create (cairo_surface_t *surface) +{ + cairo_surface_t *record, *tee; + + fdr_pending_signals (); + + tee = fdr_surface_get_tee (surface); + if (tee == NULL) { + cairo_rectangle_t extents; + cairo_content_t content; + + fdr_get_extents (surface, &extents); + content = DLCALL (cairo_surface_get_content, surface); + + tee = DLCALL (cairo_tee_surface_create, surface); + record = DLCALL (cairo_recording_surface_create, content, &extents); + DLCALL (cairo_tee_surface_add, tee, record); + + DLCALL (cairo_surface_set_user_data, surface, + &fdr_key, tee, fdr_surface_destroy); + } else { + int n; + + record = fdr_tee_surface_index (tee, 1); + + /* update the position of the recording surface in the ringbuffer */ + for (n = 0; n < RINGBUFFER_SIZE; n++) { + if (record == fdr_ringbuffer[n]) { + fdr_ringbuffer[n] = NULL; + break; + } + } + } + + fdr_surface_destroy (fdr_ringbuffer[fdr_position]); + fdr_ringbuffer[fdr_position] = record; + fdr_position = (fdr_position + 1) % RINGBUFFER_SIZE; + + return DLCALL (cairo_create, tee); +} + +static void +fdr_remove_tee (cairo_surface_t *surface) +{ + fdr_surface_reference (surface); + DLCALL (cairo_surface_set_user_data, surface, &fdr_key, NULL, NULL); + fdr_surface_destroy (surface); +} + +void +cairo_destroy (cairo_t *cr) +{ + cairo_surface_t *tee; + + tee = DLCALL (cairo_get_target, cr); + DLCALL (cairo_destroy, cr); + + if (DLCALL (cairo_surface_get_reference_count, tee) == 1) + fdr_remove_tee (fdr_tee_surface_index (tee, 0)); +} + +void +cairo_pattern_destroy (cairo_pattern_t *pattern) +{ + if (DLCALL (cairo_pattern_get_type, pattern) == CAIRO_PATTERN_TYPE_SURFACE) { + cairo_surface_t *surface; + + if (DLCALL (cairo_pattern_get_surface, pattern, &surface) == CAIRO_STATUS_SUCCESS && + DLCALL (cairo_surface_get_type, surface) == CAIRO_SURFACE_TYPE_TEE && + DLCALL (cairo_surface_get_reference_count, surface) == 2) + { + fdr_remove_tee (fdr_tee_surface_index (surface, 0)); + } + } + + DLCALL (cairo_pattern_destroy, pattern); +} + +cairo_surface_t * +cairo_get_target (cairo_t *cr) +{ + cairo_surface_t *tee; + + tee = DLCALL (cairo_get_target, cr); + return fdr_tee_surface_index (tee, 0); +} + +cairo_surface_t * +cairo_get_group_target (cairo_t *cr) +{ + cairo_surface_t *tee; + + tee = DLCALL (cairo_get_group_target, cr); + return fdr_tee_surface_index (tee, 0); +} + +cairo_pattern_t * +cairo_pattern_create_for_surface (cairo_surface_t *surface) +{ + cairo_surface_t *tee; + + tee = fdr_surface_get_tee (surface); + if (tee != NULL) + surface = tee; + + return DLCALL (cairo_pattern_create_for_surface, surface); +} + +cairo_status_t +cairo_pattern_get_surface (cairo_pattern_t *pattern, + cairo_surface_t **surface) +{ + cairo_status_t status; + cairo_surface_t *tee; + + status = DLCALL (cairo_pattern_get_surface, pattern, surface); + if (status != CAIRO_STATUS_SUCCESS) + return status; + + tee = fdr_surface_get_tee (*surface); + if (tee != NULL) + *surface = tee; + + return CAIRO_STATUS_SUCCESS; +} + +void +cairo_set_source_surface (cairo_t *cr, + cairo_surface_t *surface, + double x, double y) +{ + cairo_surface_t *tee; + + tee = fdr_surface_get_tee (surface); + if (tee != NULL) + surface = tee; + + DLCALL (cairo_set_source_surface, cr, surface, x, y); +} + +cairo_surface_t * +cairo_surface_create_similar (cairo_surface_t *surface, + cairo_content_t content, + int width, int height) +{ + cairo_surface_t *tee; + + tee = fdr_surface_get_tee (surface); + if (tee != NULL) + surface = tee; + + return DLCALL (cairo_surface_create_similar, + surface, content, width, height); +} + +cairo_surface_t * +cairo_surface_create_for_rectangle (cairo_surface_t *surface, + double x, + double y, + double width, + double height) +{ + cairo_surface_t *tee; + + tee = fdr_surface_get_tee (surface); + if (tee != NULL) + surface = tee; + + return DLCALL (cairo_surface_create_for_rectangle, + surface, x, y, width, height); +} |