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[idd/client] apply the Windows display color transform

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Honor the IddCx 3x4 XYZ matrix and post-transfer LUT in the IDD
conversion pipeline. Carry transform changes to the client so EGL applies
the same calibration to hardware cursors, and invalidate the full frame
whenever calibration changes.
This commit is contained in:
Geoffrey McRae
2026-07-19 03:11:42 +10:00
parent ad5d7753e8
commit 26ca90893a
17 changed files with 766 additions and 48 deletions
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20
client/src/main.c
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@@ -431,8 +431,11 @@ int main_cursorThread(void * unused)
}
KVMFRCursor * tmp = (KVMFRCursor *)msg.mem;
const int neededSize = sizeof(*tmp) +
(msg.udata & CURSOR_FLAG_SHAPE ? tmp->height * tmp->pitch : 0);
const int shapeSize = msg.udata & CURSOR_FLAG_SHAPE ?
tmp->height * tmp->pitch : 0;
const int neededSize = sizeof(*tmp) + shapeSize +
(msg.udata & CURSOR_FLAG_COLOR_TRANSFORM ?
sizeof(KVMFRColorTransform) : 0);
if (cursor && neededSize > cursorSize)
{
@@ -488,6 +491,15 @@ int main_cursorThread(void * unused)
}
}
if ((msg.udata & CURSOR_FLAG_COLOR_TRANSFORM) &&
g_state.lgr->ops.onMouseColorTransform)
{
const KVMFRColorTransform * transform =
(const KVMFRColorTransform *)((const uint8_t *)(cursor + 1) +
shapeSize);
g_state.lgr->ops.onMouseColorTransform(g_state.lgr, transform);
}
if (msg.udata & CURSOR_FLAG_POSITION)
{
bool valid = g_cursor.guest.valid;
@@ -517,7 +529,9 @@ int main_cursorThread(void * unused)
g_cursor.guest.hy
);
if (g_params.mouseRedraw && g_cursor.guest.visible && !g_state.stopVideo)
if ((g_params.mouseRedraw ||
(msg.udata & CURSOR_FLAG_COLOR_TRANSFORM)) &&
g_cursor.guest.visible && !g_state.stopVideo)
lgSignalEvent(g_state.frameEvent);
}