[igt-dev] [PATCH i-g-t v9 15/19] tests/i915/vm_bind: Add i915_capture library routines
Niranjana Vishwanathapura
niranjana.vishwanathapura at intel.com
Tue Dec 13 16:11:12 UTC 2022
On Tue, Dec 13, 2022 at 01:14:50PM +0000, Matthew Auld wrote:
>On 12/12/2022 23:12, Niranjana Vishwanathapura wrote:
>>In preparation of i915_vm_bind_capture test, move some common
>>capture decode routines to library for code sharing.
>>
>>Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathapura at intel.com>
>>---
>> lib/i915/i915_capture.c | 96 +++++++++++++++++++++++++++++++++++
>> lib/i915/i915_capture.h | 14 +++++
>> lib/meson.build | 1 +
>> tests/i915/gem_exec_capture.c | 88 +-------------------------------
>> 4 files changed, 112 insertions(+), 87 deletions(-)
>> create mode 100644 lib/i915/i915_capture.c
>> create mode 100644 lib/i915/i915_capture.h
>>
>>diff --git a/lib/i915/i915_capture.c b/lib/i915/i915_capture.c
>>new file mode 100644
>>index 000000000..7430c9256
>>--- /dev/null
>>+++ b/lib/i915/i915_capture.c
>>@@ -0,0 +1,96 @@
>>+// SPDX-License-Identifier: MIT
>>+/*
>>+ * Copyright © 2022 Intel Corporation
>>+ */
>>+
>>+#include <stdlib.h>
>>+#include <string.h>
>>+#include <zlib.h>
>>+
>>+#include "i915_capture.h"
>>+
>>+static unsigned long zlib_inflate(uint32_t **ptr, unsigned long len)
>>+{
>>+ struct z_stream_s zstream;
>>+ void *out;
>>+
>>+ memset(&zstream, 0, sizeof(zstream));
>>+
>>+ zstream.next_in = (unsigned char *)*ptr;
>>+ zstream.avail_in = 4*len;
>>+
>>+ if (inflateInit(&zstream) != Z_OK)
>>+ return 0;
>>+
>>+ out = malloc(128*4096); /* approximate obj size */
>>+ zstream.next_out = out;
>>+ zstream.avail_out = 128*4096;
>>+
>>+ do {
>>+ switch (inflate(&zstream, Z_SYNC_FLUSH)) {
>>+ case Z_STREAM_END:
>>+ goto end;
>>+ case Z_OK:
>>+ break;
>>+ default:
>>+ inflateEnd(&zstream);
>>+ return 0;
>>+ }
>>+
>>+ if (zstream.avail_out)
>>+ break;
>>+
>>+ out = realloc(out, 2*zstream.total_out);
>>+ if (out == NULL) {
>>+ inflateEnd(&zstream);
>>+ return 0;
>>+ }
>>+
>>+ zstream.next_out = (unsigned char *)out + zstream.total_out;
>>+ zstream.avail_out = zstream.total_out;
>>+ } while (1);
>>+end:
>>+ inflateEnd(&zstream);
>>+ free(*ptr);
>>+ *ptr = out;
>>+ return zstream.total_out / 4;
>>+}
>>+
>>+unsigned long
>>+ascii85_decode(char *in, uint32_t **out, bool inflate, char **end)
>
>Needs some doc. There are some examples in lib.
>
Ok, will add some doc.
>Otherwise,
>Reviewed-by: Matthew Auld <matthew.auld at intel.com>
>
Thanks,
Niranjana
>>+{
>>+ unsigned long len = 0, size = 1024;
>>+
>>+ *out = realloc(*out, sizeof(uint32_t)*size);
>>+ if (*out == NULL)
>>+ return 0;
>>+
>>+ while (*in >= '!' && *in <= 'z') {
>>+ uint32_t v = 0;
>>+
>>+ if (len == size) {
>>+ size *= 2;
>>+ *out = realloc(*out, sizeof(uint32_t)*size);
>>+ if (*out == NULL)
>>+ return 0;
>>+ }
>>+
>>+ if (*in == 'z') {
>>+ in++;
>>+ } else {
>>+ v += in[0] - 33; v *= 85;
>>+ v += in[1] - 33; v *= 85;
>>+ v += in[2] - 33; v *= 85;
>>+ v += in[3] - 33; v *= 85;
>>+ v += in[4] - 33;
>>+ in += 5;
>>+ }
>>+ (*out)[len++] = v;
>>+ }
>>+ *end = in;
>>+
>>+ if (!inflate)
>>+ return len;
>>+
>>+ return zlib_inflate(out, len);
>>+}
>>diff --git a/lib/i915/i915_capture.h b/lib/i915/i915_capture.h
>>new file mode 100644
>>index 000000000..26481b8e4
>>--- /dev/null
>>+++ b/lib/i915/i915_capture.h
>>@@ -0,0 +1,14 @@
>>+/* SPDX-License-Identifier: MIT */
>>+/*
>>+ * Copyright © 2022 Intel Corporation
>>+ */
>>+#ifndef _I915_CAPTURE_H_
>>+#define _I915_CAPTURE_H_
>>+
>>+#include <stdbool.h>
>>+#include <stdint.h>
>>+
>>+unsigned long
>>+ascii85_decode(char *in, uint32_t **out, bool inflate, char **end);
>>+
>>+#endif /* _I915_CAPTURE_ */
>>diff --git a/lib/meson.build b/lib/meson.build
>>index a01482c38..9d353da16 100644
>>--- a/lib/meson.build
>>+++ b/lib/meson.build
>>@@ -14,6 +14,7 @@ lib_sources = [
>> 'i915/intel_memory_region.c',
>> 'i915/intel_mocs.c',
>> 'i915/i915_blt.c',
>>+ 'i915/i915_capture.c',
>> 'i915/i915_crc.c',
>> 'i915/i915_vm_bind.c',
>> 'igt_collection.c',
>>diff --git a/tests/i915/gem_exec_capture.c b/tests/i915/gem_exec_capture.c
>>index 2db58266f..f8f8d1ece 100644
>>--- a/tests/i915/gem_exec_capture.c
>>+++ b/tests/i915/gem_exec_capture.c
>>@@ -22,10 +22,10 @@
>> */
>> #include <sys/poll.h>
>>-#include <zlib.h>
>> #include <sched.h>
>> #include "i915/gem.h"
>>+#include "i915/i915_capture.h"
>> #include "i915/gem_create.h"
>> #include "igt.h"
>> #include "igt_device.h"
>>@@ -42,92 +42,6 @@ struct offset {
>> bool found;
>> };
>>-static unsigned long zlib_inflate(uint32_t **ptr, unsigned long len)
>>-{
>>- struct z_stream_s zstream;
>>- void *out;
>>-
>>- memset(&zstream, 0, sizeof(zstream));
>>-
>>- zstream.next_in = (unsigned char *)*ptr;
>>- zstream.avail_in = 4*len;
>>-
>>- if (inflateInit(&zstream) != Z_OK)
>>- return 0;
>>-
>>- out = malloc(128*4096); /* approximate obj size */
>>- zstream.next_out = out;
>>- zstream.avail_out = 128*4096;
>>-
>>- do {
>>- switch (inflate(&zstream, Z_SYNC_FLUSH)) {
>>- case Z_STREAM_END:
>>- goto end;
>>- case Z_OK:
>>- break;
>>- default:
>>- inflateEnd(&zstream);
>>- return 0;
>>- }
>>-
>>- if (zstream.avail_out)
>>- break;
>>-
>>- out = realloc(out, 2*zstream.total_out);
>>- if (out == NULL) {
>>- inflateEnd(&zstream);
>>- return 0;
>>- }
>>-
>>- zstream.next_out = (unsigned char *)out + zstream.total_out;
>>- zstream.avail_out = zstream.total_out;
>>- } while (1);
>>-end:
>>- inflateEnd(&zstream);
>>- free(*ptr);
>>- *ptr = out;
>>- return zstream.total_out / 4;
>>-}
>>-
>>-static unsigned long
>>-ascii85_decode(char *in, uint32_t **out, bool inflate, char **end)
>>-{
>>- unsigned long len = 0, size = 1024;
>>-
>>- *out = realloc(*out, sizeof(uint32_t)*size);
>>- if (*out == NULL)
>>- return 0;
>>-
>>- while (*in >= '!' && *in <= 'z') {
>>- uint32_t v = 0;
>>-
>>- if (len == size) {
>>- size *= 2;
>>- *out = realloc(*out, sizeof(uint32_t)*size);
>>- if (*out == NULL)
>>- return 0;
>>- }
>>-
>>- if (*in == 'z') {
>>- in++;
>>- } else {
>>- v += in[0] - 33; v *= 85;
>>- v += in[1] - 33; v *= 85;
>>- v += in[2] - 33; v *= 85;
>>- v += in[3] - 33; v *= 85;
>>- v += in[4] - 33;
>>- in += 5;
>>- }
>>- (*out)[len++] = v;
>>- }
>>- *end = in;
>>-
>>- if (!inflate)
>>- return len;
>>-
>>- return zlib_inflate(out, len);
>>-}
>>-
>> static int check_error_state(int dir, struct offset *obj_offsets, int obj_count,
>> uint64_t obj_size, bool incremental)
>> {
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