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/*
* Copyright © 2017 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
* Authors:
* Paul Kocialkowski <paul.kocialkowski@linux.intel.com>
*/
#include "config.h"
#include <fcntl.h>
#include <pixman.h>
#include <cairo.h>
#include "igt.h"
/**
* SECTION:igt_frame
* @short_description: Library for frame-related tests
* @title: Frame
* @include: igt_frame.h
*
* This library contains helpers for frame-related tests. This includes common
* frame dumping as well as frame comparison helpers.
*/
/**
* igt_frame_dump_is_enabled:
*
* Get whether frame dumping is enabled.
*
* Returns: A boolean indicating whether frame dumping is enabled
*/
bool igt_frame_dump_is_enabled(void)
{
return frame_dump_path != NULL;
}
static void igt_write_frame_to_png(cairo_surface_t *surface, int fd,
const char *qualifier, const char *suffix)
{
char path[PATH_MAX];
const char *test_name;
const char *subtest_name;
cairo_status_t status;
int index;
test_name = igt_test_name();
subtest_name = igt_subtest_name();
if (suffix)
snprintf(path, PATH_MAX, "%s/frame-%s-%s-%s-%s.png",
frame_dump_path, test_name, subtest_name, qualifier,
suffix);
else
snprintf(path, PATH_MAX, "%s/frame-%s-%s-%s.png",
frame_dump_path, test_name, subtest_name, qualifier);
igt_debug("Dumping %s frame to %s...\n", qualifier, path);
status = cairo_surface_write_to_png(surface, path);
igt_assert_eq(status, CAIRO_STATUS_SUCCESS);
index = strlen(path);
if (fd >= 0 && index < (PATH_MAX - 1)) {
path[index++] = '\n';
path[index] = '\0';
write(fd, path, strlen(path));
}
}
/**
* igt_write_compared_frames_to_png:
* @reference: The reference cairo surface
* @capture: The captured cairo surface
* @reference_suffix: The suffix to give to the reference png file
* @capture_suffix: The suffix to give to the capture png file
*
* Write previously compared frames to png files.
*/
void igt_write_compared_frames_to_png(cairo_surface_t *reference,
cairo_surface_t *capture,
const char *reference_suffix,
const char *capture_suffix)
{
char *id;
const char *test_name;
const char *subtest_name;
char path[PATH_MAX];
int fd = -1;
if (!igt_frame_dump_is_enabled())
return;
id = getenv("IGT_FRAME_DUMP_ID");
test_name = igt_test_name();
subtest_name = igt_subtest_name();
if (id)
snprintf(path, PATH_MAX, "%s/frame-%s-%s-%s.txt",
frame_dump_path, test_name, subtest_name, id);
else
snprintf(path, PATH_MAX, "%s/frame-%s-%s.txt",
frame_dump_path, test_name, subtest_name);
fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0644);
igt_assert(fd >= 0);
igt_debug("Writing dump report to %s...\n", path);
igt_write_frame_to_png(reference, fd, "reference", reference_suffix);
igt_write_frame_to_png(capture, fd, "capture", capture_suffix);
close(fd);
}
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