From: "Wladimir J. van der Laan" <laanwj@gmail.com>
To: dri-devel@lists.freedesktop.org
Cc: Alex Deucher <alexander.deucher@amd.com>,
"Wladimir J. van der Laan" <laanwj@gmail.com>,
Emil Velikov <emil.l.velikov@gmail.com>
Subject: [PATCH libdrm 2/2] tests/modeprint: Print details for IN_FORMATS blob
Date: Sun, 19 Nov 2017 10:49:31 +0100 [thread overview]
Message-ID: <1511084971-7638-3-git-send-email-laanwj@gmail.com> (raw)
In-Reply-To: <1511084971-7638-1-git-send-email-laanwj@gmail.com>
Pretty-print formats and modifiers in IN_FORMATS blob.
Signed-off-by: Wladimir J. van der Laan <laanwj@gmail.com>
---
tests/modeprint/modeprint.c | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/tests/modeprint/modeprint.c b/tests/modeprint/modeprint.c
index 42c0a1b..ce84279 100644
--- a/tests/modeprint/modeprint.c
+++ b/tests/modeprint/modeprint.c
@@ -93,6 +93,28 @@ static int printMode(struct drm_mode_modeinfo *mode)
return 0;
}
+static int printBlob(const char *name, void *data, uint32_t length)
+{
+ if (!strcmp(name, "IN_FORMATS")) {
+ struct drm_format_modifier_blob *m = data;
+ uint32_t *fmts = (uint32_t *)(((char *)data) + m->formats_offset);
+ struct drm_format_modifier *mod = (struct drm_format_modifier *)(((char *)data) + m->modifiers_offset);
+ int i,j,k;
+ printf("\tmodifiers :\n");
+ for (j = 0; j < (int)m->count_modifiers; j++) {
+ printf("\t\t0x%016" PRIx64, mod[j].modifier);
+ for (i = 0; i < 64 && (i + mod[j].offset) < (int)m->count_formats; i++) {
+ if (mod[j].formats & (1<<i)) {
+ k = i + mod[j].offset;
+ printf(" %c%c%c%c", fmts[k] >> 24, fmts[k] >> 16, fmts[k] >> 8, fmts[k] >> 0);
+ }
+ }
+ printf("\n");
+ }
+ }
+ return 0;
+}
+
static int printProperty(int fd, drmModePropertyPtr props, uint64_t value)
{
const char *name = NULL;
@@ -120,6 +142,7 @@ static int printProperty(int fd, drmModePropertyPtr props, uint64_t value)
blob = drmModeGetPropertyBlob(fd, value);
if (blob) {
printf("blob is %d length, %08X\n", blob->length, *(uint32_t *)blob->data);
+ printBlob(props->name, blob->data, blob->length);
drmModeFreePropertyBlob(blob);
} else {
printf("error getting blob %" PRIu64 "\n", value);
--
2.7.4
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next prev parent reply other threads:[~2017-11-19 9:49 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-19 9:49 [PATCH libdrm 0/2] Print plane modifiers in modeprint Wladimir J. van der Laan
2017-11-19 9:49 ` [PATCH libdrm 1/2] tests/modeprint: Print plane and other object properties Wladimir J. van der Laan
2017-11-19 9:49 ` Wladimir J. van der Laan [this message]
2017-11-20 11:36 ` [PATCH libdrm 0/2] Print plane modifiers in modeprint Emil Velikov
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