GPU: add missing variable inits

Author: CarterLi

src/detection/gpu/gpu_apple.c

@@ -115,7 +115,7 @@ const char* ffDetectGPUImpl(const FFGPUOptions* options, FFlist* gpus)
         if(ffCfDictGetInt(properties, CFSTR("gpu-core-count"), &gpu->coreCount)) // For Apple
             gpu->coreCount = FF_GPU_CORE_COUNT_UNSET;
 
-        gpu->coreUsage = 0.0/0.0;
+        gpu->coreUsage = FF_GPU_CORE_USAGE_UNSET;
         CFDictionaryRef perfStatistics = NULL;
         uint64_t vramUsed = 0, vramTotal = 0;
         if (ffCfDictGetDict(properties, CFSTR("PerformanceStatistics"), &perfStatistics) == NULL)

src/detection/gpu/gpu_general.c

@@ -36,6 +36,7 @@ const char* ffDetectGPUImpl(FF_MAYBE_UNUSED const FFGPUOptions* options, FFlist*
         ffStrbufInit(&gpu->platformApi);
         gpu->temperature = FF_GPU_TEMP_UNSET;
         gpu->coreCount = FF_GPU_CORE_COUNT_UNSET;
+        gpu->coreUsage = FF_GPU_CORE_USAGE_UNSET;
         gpu->type = FF_GPU_TYPE_UNKNOWN;
         gpu->dedicated.total = gpu->dedicated.used = gpu->shared.total = gpu->shared.used = FF_GPU_VMEM_SIZE_UNSET;
         gpu->deviceId = ((uint64_t) dev->domain << 6) | ((uint64_t) dev->bus << 4) | ((uint64_t) dev->dev << 2) | (uint64_t) dev->func;

src/detection/gpu/gpu_haiku.c

@@ -26,6 +26,7 @@ const char* ffDetectGPUImpl(FF_MAYBE_UNUSED const FFGPUOptions* options, FFlist*
         ffStrbufInit(&gpu->platformApi);
         gpu->temperature = FF_GPU_TEMP_UNSET;
         gpu->coreCount = FF_GPU_CORE_COUNT_UNSET;
+        gpu->coreUsage = FF_GPU_CORE_USAGE_UNSET;
         gpu->type = FF_GPU_TYPE_UNKNOWN;
         gpu->dedicated.total = gpu->dedicated.used = gpu->shared.total = gpu->shared.used = FF_GPU_VMEM_SIZE_UNSET;
         gpu->deviceId = ((uint64_t) dev.bus << 4) | ((uint64_t) dev.device << 2) | (uint64_t) dev.function;
@@ -40,4 +41,3 @@ const char* ffDetectGPUImpl(FF_MAYBE_UNUSED const FFGPUOptions* options, FFlist*
 
     return NULL;
 }
-