diff options
author | sanine <sanine.not@pm.me> | 2022-10-12 13:26:36 -0500 |
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committer | sanine <sanine.not@pm.me> | 2022-10-12 13:26:36 -0500 |
commit | f567ea1e2798fd3156a416e61f083ea3e6b95719 (patch) | |
tree | 53b51bda93aadf9dd13fcd77635b8c4b5c813768 /libs/pixman-0.40.0/pixman/pixman-mips.c | |
parent | 530ffd0b7d3c39757b20f00716e486b5caf89aff (diff) |
add pixman and libpngraylib
Diffstat (limited to 'libs/pixman-0.40.0/pixman/pixman-mips.c')
-rw-r--r-- | libs/pixman-0.40.0/pixman/pixman-mips.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/libs/pixman-0.40.0/pixman/pixman-mips.c b/libs/pixman-0.40.0/pixman/pixman-mips.c new file mode 100644 index 0000000..3048813 --- /dev/null +++ b/libs/pixman-0.40.0/pixman/pixman-mips.c @@ -0,0 +1,94 @@ +/* + * Copyright © 2000 SuSE, Inc. + * Copyright © 2007 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of SuSE not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. SuSE makes no representations about the + * suitability of this software for any purpose. It is provided "as is" + * without express or implied warranty. + * + * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE + * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include "pixman-private.h" + +#if defined(USE_MIPS_DSPR2) || defined(USE_LOONGSON_MMI) + +#include <string.h> +#include <stdlib.h> + +static pixman_bool_t +have_feature (const char *search_string) +{ +#if defined (__linux__) /* linux ELF */ + /* Simple detection of MIPS features at runtime for Linux. + * It is based on /proc/cpuinfo, which reveals hardware configuration + * to user-space applications. According to MIPS (early 2010), no similar + * facility is universally available on the MIPS architectures, so it's up + * to individual OSes to provide such. + */ + const char *file_name = "/proc/cpuinfo"; + char cpuinfo_line[256]; + FILE *f = NULL; + + if ((f = fopen (file_name, "r")) == NULL) + return FALSE; + + while (fgets (cpuinfo_line, sizeof (cpuinfo_line), f) != NULL) + { + if (strstr (cpuinfo_line, search_string) != NULL) + { + fclose (f); + return TRUE; + } + } + + fclose (f); +#endif + + /* Did not find string in the proc file, or not Linux ELF. */ + return FALSE; +} + +#endif + +pixman_implementation_t * +_pixman_mips_get_implementations (pixman_implementation_t *imp) +{ +#ifdef USE_LOONGSON_MMI + /* I really don't know if some Loongson CPUs don't have MMI. */ + if (!_pixman_disabled ("loongson-mmi") && have_feature ("Loongson")) + imp = _pixman_implementation_create_mmx (imp); +#endif + +#ifdef USE_MIPS_DSPR2 + if (!_pixman_disabled ("mips-dspr2")) + { + int already_compiling_everything_for_dspr2 = 0; +#if defined(__mips_dsp) && (__mips_dsp_rev >= 2) + already_compiling_everything_for_dspr2 = 1; +#endif + if (already_compiling_everything_for_dspr2 || + /* Only currently available MIPS core that supports DSPr2 is 74K. */ + have_feature ("MIPS 74K")) + { + imp = _pixman_implementation_create_mips_dspr2 (imp); + } + } +#endif + + return imp; +} |