GPU: clean up GPU index detection code

src/detection/gpu/gpu.h

@@ -28,7 +28,7 @@ typedef struct FFGPUMemory
 
 typedef struct FFGPUResult
 {
-    uint8_t index;
+    uint32_t index;
     FFGPUType type;
     FFstrbuf vendor;
     FFstrbuf name;

src/detection/gpu/gpu_amd.c

@@ -65,5 +65,8 @@ const char* ffDetectAmdGpuInfo(const FFGpuDriverCondition* cond, FFGpuDriverResu
     if (result.type)
         *result.type = device->isAPU ? FF_GPU_TYPE_INTEGRATED : FF_GPU_TYPE_DISCRETE;
 
+    if (result.index)
+        *result.type = (uint32_t) device->adlAdapterIndex;
+
     return NULL;
 }

src/detection/gpu/gpu_apple.m

@@ -43,7 +43,7 @@ const char* ffGpuDetectMetal(FFlist* gpus)
                 ffStrbufSetStatic(&gpu->platformApi, "Metal Common 1");
 
             gpu->type = device.hasUnifiedMemory ? FF_GPU_TYPE_INTEGRATED : FF_GPU_TYPE_DISCRETE;
-            gpu->index = (uint8_t)device.locationNumber;
+            gpu->index = (uint32_t) device.locationNumber;
             #endif
         }
         return NULL;

src/detection/gpu/gpu_driver_specific.h

@@ -37,7 +37,7 @@ typedef struct FFGpuDriverCondition
 // detect x if not NULL
 typedef struct FFGpuDriverResult
 {
-    uint8_t* index;
+    uint32_t* index;
     double* temp;
     FFGPUMemory* memory;
     uint32_t* coreCount;

src/detection/gpu/gpu_mthreads.c

@@ -138,7 +138,7 @@ const char *ffDetectMthreadsGpuInfo(const FFGpuDriverCondition *cond, FFGpuDrive
     {
         unsigned int value;
         if (mtmlData.ffmtmlDeviceGetIndex(device, &value) == MTML_SUCCESS)
-            *result.index = (uint8_t)value;
+            *result.index = value;
     }
 
     if (result.temp)

src/detection/gpu/gpu_nvidia.c

@@ -111,9 +111,9 @@ const char* ffDetectNvidiaGpuInfo(const FFGpuDriverCondition* cond, FFGpuDriverR
     {
         unsigned int value;
         if (nvmlData.ffnvmlDeviceGetIndex(device, &value) == NVML_SUCCESS)
-            *result.index = (uint8_t)value;
+            *result.index = value;
     }
-       
+
 
     if (result.temp)
     {