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[PATCH 1/3] ui/vnc.c: replace big endian flag with byte order value
From: |
Daniel P . Berrangé |
Subject: |
[PATCH 1/3] ui/vnc.c: replace big endian flag with byte order value |
Date: |
Tue, 13 May 2025 11:08:17 +0100 |
From: Daniel P. Berrangé <berrange@redhat.com>
It will make it easier to do certain comparisons in future if we
store G_BIG_ENDIAN/G_LITTLE_ENDIAN directly, instead of a boolean
flag.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
---
ui/vnc-enc-tight.c | 2 +-
ui/vnc-enc-zrle.c | 2 +-
ui/vnc-jobs.c | 2 +-
ui/vnc.c | 6 +++---
ui/vnc.h | 2 +-
5 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/ui/vnc-enc-tight.c b/ui/vnc-enc-tight.c
index 41f559eb83..f51f618e46 100644
--- a/ui/vnc-enc-tight.c
+++ b/ui/vnc-enc-tight.c
@@ -150,7 +150,7 @@ tight_detect_smooth_image24(VncState *vs, int w, int h)
* If client is big-endian, color samples begin from the second
* byte (offset 1) of a 32-bit pixel value.
*/
- off = vs->client_be;
+ off = vs->client_bo == G_BIG_ENDIAN ? 1 : 0;
memset(stats, 0, sizeof (stats));
diff --git a/ui/vnc-enc-zrle.c b/ui/vnc-enc-zrle.c
index bd33b89063..9032e82ee5 100644
--- a/ui/vnc-enc-zrle.c
+++ b/ui/vnc-enc-zrle.c
@@ -255,7 +255,7 @@ static void zrle_write_u8(VncState *vs, uint8_t value)
static int zrle_send_framebuffer_update(VncState *vs, int x, int y,
int w, int h)
{
- bool be = vs->client_be;
+ bool be = vs->client_bo == G_BIG_ENDIAN;
size_t bytes;
int zywrle_level;
diff --git a/ui/vnc-jobs.c b/ui/vnc-jobs.c
index fcca7ec632..fd019e0a35 100644
--- a/ui/vnc-jobs.c
+++ b/ui/vnc-jobs.c
@@ -188,7 +188,7 @@ static void vnc_async_encoding_start(VncState *orig,
VncState *local)
local->lossy_rect = orig->lossy_rect;
local->write_pixels = orig->write_pixels;
local->client_pf = orig->client_pf;
- local->client_be = orig->client_be;
+ local->client_bo = orig->client_bo;
local->tight = orig->tight;
local->zlib = orig->zlib;
local->hextile = orig->hextile;
diff --git a/ui/vnc.c b/ui/vnc.c
index 9e097dc4b4..2c640d8be4 100644
--- a/ui/vnc.c
+++ b/ui/vnc.c
@@ -891,7 +891,7 @@ void vnc_convert_pixel(VncState *vs, uint8_t *buf, uint32_t
v)
buf[0] = v;
break;
case 2:
- if (vs->client_be) {
+ if (vs->client_bo == G_BIG_ENDIAN) {
buf[0] = v >> 8;
buf[1] = v;
} else {
@@ -901,7 +901,7 @@ void vnc_convert_pixel(VncState *vs, uint8_t *buf, uint32_t
v)
break;
default:
case 4:
- if (vs->client_be) {
+ if (vs->client_bo == G_BIG_ENDIAN) {
buf[0] = v >> 24;
buf[1] = v >> 16;
buf[2] = v >> 8;
@@ -2312,7 +2312,7 @@ static void set_pixel_format(VncState *vs, int
bits_per_pixel,
vs->client_pf.bits_per_pixel = bits_per_pixel;
vs->client_pf.bytes_per_pixel = bits_per_pixel / 8;
vs->client_pf.depth = bits_per_pixel == 32 ? 24 : bits_per_pixel;
- vs->client_be = big_endian_flag;
+ vs->client_bo = big_endian_flag ? G_BIG_ENDIAN : G_LITTLE_ENDIAN;
if (!true_color_flag) {
send_color_map(vs);
diff --git a/ui/vnc.h b/ui/vnc.h
index acc53a2cc1..f2a627dcdf 100644
--- a/ui/vnc.h
+++ b/ui/vnc.h
@@ -323,7 +323,7 @@ struct VncState
VncWritePixels *write_pixels;
PixelFormat client_pf;
pixman_format_code_t client_format;
- bool client_be;
+ int client_bo; /* G_LITTLE_ENDIAN or G_BIG_ENDIAN */
CaptureVoiceOut *audio_cap;
struct audsettings as;
--
2.49.0
[PATCH 2/3] ui/vnc: take account of client byte order in pixman format, Daniel P . Berrangé, 2025/05/13
[PATCH 3/3] ui/vnc: fix tight palette pixel encoding for 8/16-bpp formats, Daniel P . Berrangé, 2025/05/13