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GPU (Windows): more strict check

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This commit is contained in:
李通洲
2023-07-01 14:47:14 +08:00
parent ac07ae739b
commit 1c62a07099
1 changed files with 5 additions and 5 deletions
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src/detection/gpu/gpu_windows.c
+5 -5
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@@ -6,17 +6,17 @@
const char* ffDetectGPUImpl(FF_MAYBE_UNUSED const FFGPUOptions* options, FFlist* gpus)
{
DISPLAY_DEVICEW displayDevice = {.cb = sizeof(displayDevice) };
DISPLAY_DEVICEW displayDevice = { .cb = sizeof(displayDevice) };
wchar_t regKey[MAX_PATH] = L"SYSTEM\\CurrentControlSet\\Control\\Video\\{";
const uint32_t regKeyPrefixLength = strlen("SYSTEM\\CurrentControlSet\\Control\\Video\\{");
const uint32_t deviceKeyPrefixLength = strlen("\\Registry\\Machine\\System\\CurrentControlSet\\Control\\Video\\{");
const uint32_t regKeyPrefixLength = (uint32_t) wcslen(regKey);
const uint32_t deviceKeyPrefixLength = strlen("\\Registry\\Machine\\") + regKeyPrefixLength;
for (DWORD i = 0; EnumDisplayDevicesW(NULL, i, &displayDevice, 0); ++i)
{
if (displayDevice.StateFlags & DISPLAY_DEVICE_MIRRORING_DRIVER) continue;
const uint32_t deviceKeyLength = (uint32_t) wcslen(displayDevice.DeviceKey);
if (wmemcmp(&displayDevice.DeviceKey[deviceKeyLength - 4], L"0000", 4) != 0) continue;
if (deviceKeyLength != 100 || wmemcmp(&displayDevice.DeviceKey[deviceKeyLength - 4], L"0000", 4) != 0) continue;
FFGPUResult* gpu = (FFGPUResult*)ffListAdd(gpus);
ffStrbufInit(&gpu->vendor);
@@ -27,7 +27,7 @@ const char* ffDetectGPUImpl(FF_MAYBE_UNUSED const FFGPUOptions* options, FFlist*
gpu->type = FF_GPU_TYPE_UNKNOWN;
gpu->dedicated.total = gpu->dedicated.used = gpu->shared.total = gpu->shared.used = FF_GPU_VMEM_SIZE_UNSET;
if (deviceKeyLength == 100 && displayDevice.DeviceKey[deviceKeyPrefixLength - 1] == '{')
if (displayDevice.DeviceKey[deviceKeyPrefixLength - 1] == '{')
{
wmemcpy(regKey + regKeyPrefixLength, displayDevice.DeviceKey + deviceKeyPrefixLength, 100 - regKeyPrefixLength + 1);
FF_HKEY_AUTO_DESTROY hKey = NULL;