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win32u: Implement NtGdiDdDDIEnumAdapters2.

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Signed-off-by: Krzysztof Bogacki <krzysztof.bogacki@leancode.pl>
This commit is contained in:
Krzysztof Bogacki 2024-01-15 19:16:23 +01:00 • committed by Alexandre Julliard
parent 800b5e44fc
commit 223292da02
2 changed files with 77 additions and 3 deletions
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2
dlls/gdi32/tests/driver.c
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@ -199,7 +199,7 @@ static void test_D3DKMTEnumAdapters2(void)
if (!pD3DKMTEnumAdapters2 || pD3DKMTEnumAdapters2(&enum_adapters_2_desc) == STATUS_PROCEDURE_NOT_FOUND)
{
skip("D3DKMTEnumAdapters2() is unavailable.\n");
win_skip("D3DKMTEnumAdapters2() is unavailable.\n");
return;
}

78
dlls/win32u/sysparams.c
View file

@ -6656,6 +6656,80 @@ NTSTATUS WINAPI NtUserDisplayConfigGetDeviceInfo( DISPLAYCONFIG_DEVICE_INFO_HEAD
*/
NTSTATUS WINAPI NtGdiDdDDIEnumAdapters2( D3DKMT_ENUMADAPTERS2 *desc )
{
FIXME(" (%p): stub\n", desc );
return STATUS_PROCEDURE_NOT_FOUND;
D3DKMT_OPENADAPTERFROMLUID open_adapter_from_luid;
static const ULONG max_adapters = 34;
D3DKMT_CLOSEADAPTER close_adapter;
NTSTATUS status = STATUS_SUCCESS;
ULONG idx = 0, count;
struct gpu *gpu;
TRACE( "(%p)\n", desc );
if (!desc) return STATUS_INVALID_PARAMETER;
if (!desc->pAdapters)
{
desc->NumAdapters = max_adapters;
return STATUS_SUCCESS;
}
if (!lock_display_devices()) return STATUS_UNSUCCESSFUL;
if ((count = list_count( &gpus )) > max_adapters)
{
WARN( "Too many adapters (%u), only up to %u can be enumerated.\n",
(unsigned int)count, (unsigned int)max_adapters );
count = max_adapters;
}
if (count > desc->NumAdapters)
{
status = STATUS_BUFFER_TOO_SMALL;
goto done;
}
LIST_FOR_EACH_ENTRY( gpu, &gpus, struct gpu, entry )
{
if (gpu->luid.LowPart || gpu->luid.HighPart)
{
open_adapter_from_luid.AdapterLuid = gpu->luid;
/* give the GDI driver a chance to be notified about new adapter handle */
if (NT_SUCCESS( NtGdiDdDDIOpenAdapterFromLuid( &open_adapter_from_luid ) ))
{
desc->pAdapters[idx].hAdapter = open_adapter_from_luid.hAdapter;
desc->pAdapters[idx].AdapterLuid = gpu->luid;
desc->pAdapters[idx].NumOfSources = gpu->adapter_count;
desc->pAdapters[idx].bPrecisePresentRegionsPreferred = FALSE;
idx += 1;
continue;
}
else
{
ERR( "Failed to open adapter %u from LUID.\n", (unsigned int)idx );
}
}
else
{
ERR( "Adapter %u does not have a LUID.\n", (unsigned int)idx );
}
while (idx--)
{
close_adapter.hAdapter = desc->pAdapters[idx].hAdapter;
NtGdiDdDDICloseAdapter( &close_adapter );
}
memset( desc->pAdapters, 0, desc->NumAdapters * sizeof(D3DKMT_ADAPTERINFO) );
status = STATUS_UNSUCCESSFUL;
break;
}
done:
if (status == STATUS_SUCCESS)
desc->NumAdapters = idx;
unlock_display_devices();
return status;
}