GPU: correct detection of Apple M1 GPU

Don't cheat

presets/verbose

@@ -17,7 +17,7 @@
 --terminal-font-format Raw: {}; Name: {}; Size: {}; Styles: {}; Pretty: {}
 --cpu-format Name: {}, Vendor: {}, CoresPhysical: {}, CoresLogical: {}, CoresOnline: {}, FrequencyMin: {}, FrequencyMax: {}, Temperature: {}
 --cpu-usage-format Percentage: {}
---gpu-format Vendor: {}; Name: {}; Driver: {}; Temperature: {}
+--gpu-format Vendor: {}; Name: {}; Driver: {}; Temperature: {}; CoreCount: {}
 --memory-format Used: {}; Total: {}; Percentage: {}
 --disk-format Used: {}; Total: {}; Files: {}; Percentage: {}
 --battery-format Manufactor: {}; Model: {}; Technology: {}; Capacity: {}; Status: {}

src/detection/gpu/gpu.h

@@ -6,6 +6,7 @@
 #include "fastfetch.h"
 
 #define FF_GPU_TEMP_UNSET (0/0.0)
+#define FF_GPU_CORE_COUNT_UNSET -1
 
 typedef struct FFGPUResult
 {
@@ -13,6 +14,7 @@ typedef struct FFGPUResult
     FFstrbuf name;
     FFstrbuf driver;
     double temperature;
+    int coreCount;
 } FFGPUResult;
 
 const FFlist* ffDetectGPU(const FFinstance* instance);

src/detection/gpu/gpu_android.c

@@ -1,6 +1,7 @@
 #include "gpu.h"
 
-void ffDetectGPUImpl(FFlist* gpus, const FFinstance* instance)
+const char* ffDetectGPUImpl(FFlist* gpus, const FFinstance* instance)
 {
     FF_UNUSED(gpus, instance);
+    return "Unimplemented";
 }

src/detection/gpu/gpu_apple.c

@@ -1,33 +1,18 @@
 #include "gpu.h"
 #include "common/library.h"
 #include "detection/cpu/cpu.h"
+#include "util/apple/cfdict_helpers.h"
 
-#include <CoreFoundation/CoreFoundation.h>
 #include <IOKit/graphics/IOGraphicsLib.h>
 
-void ffDetectGPUImpl(FFlist* gpus, const FFinstance* instance)
+const char* ffDetectGPUImpl(FFlist* gpus, const FFinstance* instance)
 {
     FF_UNUSED(instance);
 
-    const FFCPUResult* cpu = ffDetectCPU();
-    if(ffStrbufStartsWithIgnCaseS(&cpu->name, "Apple M"))
-    {
-        FFGPUResult* gpu = ffListAdd(gpus);
-
-        ffStrbufInit(&gpu->vendor);
-        ffStrbufAppendS(&gpu->vendor, "Apple");
-
-        ffStrbufInit(&gpu->name);
-        ffStrbufAppendS(&gpu->name, cpu->name.chars + 6); //Cut "Apple "
-
-        ffStrbufInitA(&gpu->driver, 0);
-        gpu->temperature = FF_GPU_TEMP_UNSET;
-    }
-
-    CFMutableDictionaryRef matchDict = IOServiceMatching("IOPCIDevice");
+    CFMutableDictionaryRef matchDict = IOServiceMatching(kIOAcceleratorClassName);
     io_iterator_t iterator;
     if(IOServiceGetMatchingServices(0, matchDict, &iterator) != kIOReturnSuccess)
-        return;
+        return "IOServiceGetMatchingServices() failed";
 
     io_registry_entry_t registryEntry;
     while((registryEntry = IOIteratorNext(iterator)) != 0)
@@ -39,25 +24,19 @@ void ffDetectGPUImpl(FFlist* gpus, const FFinstance* instance)
             continue;
         }
 
-        CFStringRef key = CFStringCreateWithCStringNoCopy(NULL, "model", kCFStringEncodingASCII, kCFAllocatorNull);
-        CFStringRef model = CFDictionaryGetValue(properties, key);
-        if(model == NULL || CFGetTypeID(model) != CFDataGetTypeID())
-        {
-            CFRelease(properties);
-            IOObjectRelease(registryEntry);
-            continue;
-        }
-
         FFGPUResult* gpu = ffListAdd(gpus);
 
-        uint32_t modelLength = (uint32_t) CFStringGetLength(model);
-        ffStrbufInitA(&gpu->name, modelLength + 1);
-        CFStringGetCString(model, gpu->name.chars, modelLength + 1, kCFStringEncodingASCII);
-        gpu->name.length = modelLength;
-        gpu->name.chars[gpu->name.length] = '\0';
+        ffStrbufInit(&gpu->name);
+        ffCfDictGetString(properties, "model", &gpu->name);
+
+        if (!ffCfDictGetInt(properties, "gpu-core-count", &gpu->coreCount))
+            gpu->coreCount = FF_GPU_CORE_COUNT_UNSET;
 
         ffStrbufInitA(&gpu->vendor, 0);
-        ffStrbufInitA(&gpu->driver, 0);
+
+        ffStrbufInit(&gpu->driver);
+        ffCfDictGetString(properties, "CFBundleIdentifier", &gpu->driver);
+
         gpu->temperature = FF_GPU_TEMP_UNSET;
 
         CFRelease(properties);
@@ -65,4 +44,5 @@ void ffDetectGPUImpl(FFlist* gpus, const FFinstance* instance)
     }
 
     IOObjectRelease(iterator);
+    return NULL;
 }

src/detection/gpu/gpu_linux.c

@@ -168,24 +168,26 @@ static void pciHandleDevice(FFlist* results, PCIData* pci, struct pci_dev* devic
     ffStrbufInit(&gpu->driver);
     pciDetectDriverName(gpu, pci, device);
 
+    gpu->coreCount = FF_GPU_CORE_COUNT_UNSET;
+
     gpu->temperature = FF_GPU_TEMP_UNSET;
     pciDetectTemperatur(gpu, device);
 }
 
-static void pciDetectGPUs(const FFinstance* instance, FFlist* gpus)
+static const char* pciDetectGPUs(const FFinstance* instance, FFlist* gpus)
 {
     PCIData pci;
 
-    FF_LIBRARY_LOAD(libpci, instance->config.libPCI, , "libpci.so", 4)
-    FF_LIBRARY_LOAD_SYMBOL(libpci, pci_alloc, )
-    FF_LIBRARY_LOAD_SYMBOL(libpci, pci_init, )
-    FF_LIBRARY_LOAD_SYMBOL(libpci, pci_scan_bus, )
-    FF_LIBRARY_LOAD_SYMBOL(libpci, pci_cleanup, )
+    FF_LIBRARY_LOAD(libpci, instance->config.libPCI, "dlopen libpci.so failed", "libpci.so", 4)
+    FF_LIBRARY_LOAD_SYMBOL_MESSAGE(libpci, pci_alloc)
+    FF_LIBRARY_LOAD_SYMBOL_MESSAGE(libpci, pci_init)
+    FF_LIBRARY_LOAD_SYMBOL_MESSAGE(libpci, pci_scan_bus)
+    FF_LIBRARY_LOAD_SYMBOL_MESSAGE(libpci, pci_cleanup)
 
-    FF_LIBRARY_LOAD_SYMBOL_VAR(libpci, pci, pci_read_byte, )
-    FF_LIBRARY_LOAD_SYMBOL_VAR(libpci, pci, pci_read_word, )
-    FF_LIBRARY_LOAD_SYMBOL_VAR(libpci, pci, pci_lookup_name, )
-    FF_LIBRARY_LOAD_SYMBOL_VAR(libpci, pci, pci_get_param, )
+    FF_LIBRARY_LOAD_SYMBOL_VAR_MESSAGE(libpci, pci, pci_read_byte)
+    FF_LIBRARY_LOAD_SYMBOL_VAR_MESSAGE(libpci, pci, pci_read_word)
+    FF_LIBRARY_LOAD_SYMBOL_VAR_MESSAGE(libpci, pci, pci_lookup_name)
+    FF_LIBRARY_LOAD_SYMBOL_VAR_MESSAGE(libpci, pci, pci_get_param)
 
     pci.access = ffpci_alloc();
     ffpci_init(pci.access);
@@ -200,13 +202,14 @@ static void pciDetectGPUs(const FFinstance* instance, FFlist* gpus)
 
     ffpci_cleanup(pci.access);
     dlclose(libpci);
+    return NULL;
 }
 
 #endif
 
-void ffDetectGPUImpl(FFlist* gpus, const FFinstance* instance)
+const char* ffDetectGPUImpl(FFlist* gpus, const FFinstance* instance)
 {
     #ifdef FF_HAVE_LIBPCI
-        pciDetectGPUs(instance, gpus);
+        return pciDetectGPUs(instance, gpus);
     #endif
 }

src/fastfetch.c

@@ -274,11 +274,12 @@ static inline void printCommandHelp(const char* command)
     }
     else if(strcasecmp(command, "gpu-format") == 0)
     {
-        constructAndPrintCommandHelpFormat("gpu", "{} {}", 4,
+        constructAndPrintCommandHelpFormat("gpu", "{} {}", 5,
             "GPU vendor",
             "GPU name",
             "GPU driver",
-            "GPU temperature"
+            "GPU temperature",
+            "GPU core count"
         );
     }
     else if(strcasecmp(command, "memory-format") == 0)

src/modules/gpu.c

@@ -7,7 +7,7 @@
 #include <stdlib.h>
 
 #define FF_GPU_MODULE_NAME "GPU"
-#define FF_GPU_NUM_FORMAT_ARGS 4
+#define FF_GPU_NUM_FORMAT_ARGS 5
 
 static void printGPUResult(FFinstance* instance, uint8_t index, FFcache* cache, FFGPUResult* gpu)
 {
@@ -22,11 +22,15 @@ static void printGPUResult(FFinstance* instance, uint8_t index, FFcache* cache,
 
     ffStrbufAppend(&output, &gpu->name);
 
+    if(gpu->coreCount != FF_GPU_CORE_COUNT_UNSET)
+        ffStrbufAppendF(&output, " (%d)", gpu->coreCount);
+
     ffPrintAndAppendToCache(instance, FF_GPU_MODULE_NAME, index, &instance->config.gpu, cache, &output, FF_GPU_NUM_FORMAT_ARGS, (FFformatarg[]){
         {FF_FORMAT_ARG_TYPE_STRBUF, &gpu->vendor},
         {FF_FORMAT_ARG_TYPE_STRBUF, &gpu->name},
         {FF_FORMAT_ARG_TYPE_STRBUF, &gpu->driver},
-        {FF_FORMAT_ARG_TYPE_DOUBLE, &gpu->temperature}
+        {FF_FORMAT_ARG_TYPE_DOUBLE, &gpu->temperature},
+        {FF_FORMAT_ARG_TYPE_INT, &gpu->coreCount},
     });
 
     ffStrbufDestroy(&output);