GPU: adds unified ffGPUFillVendorByDeviceName

src/detection/gpu/gpu.c

@@ -206,3 +206,33 @@ const char* ffDetectGPU(const FFGPUOptions* options, FFlist* result) {
     FF_DEBUG("GPU detection failed in all enabled backends");
     return "GPU detection failed";
 }
+
+bool ffGPUFillVendorByDeviceName(FFGPUResult* gpu) {
+    if (gpu->type == FF_GPU_TYPE_UNKNOWN) {
+        return true;
+    }
+
+    FF_DEBUG("Using fallback GPU type detection");
+    if (gpu->vendor.chars == FF_GPU_VENDOR_NAME_NVIDIA) {
+        if (ffStrbufStartsWithIgnCaseS(&gpu->name, "GeForce") ||
+            ffStrbufStartsWithIgnCaseS(&gpu->name, "Quadro") ||
+            ffStrbufStartsWithIgnCaseS(&gpu->name, "Tesla")) {
+            gpu->type = FF_GPU_TYPE_DISCRETE;
+        }
+    } else if (gpu->vendor.chars == FF_GPU_VENDOR_NAME_MTHREADS) {
+        if (ffStrbufStartsWithIgnCaseS(&gpu->name, "MTT ")) { gpu->type = FF_GPU_TYPE_DISCRETE; }
+    } else if (gpu->vendor.chars == FF_GPU_VENDOR_NAME_INTEL) {
+        // 0000:00:02.0 is reserved for Intel integrated graphics
+        gpu->type = gpu->deviceId == ffGPUPciAddr2Id(0, 0, 2, 0) ? FF_GPU_TYPE_INTEGRATED : FF_GPU_TYPE_DISCRETE;
+    } else if (gpu->vendor.chars == FF_GPU_VENDOR_NAME_VMWARE || gpu->vendor.chars == FF_GPU_VENDOR_NAME_PARALLELS) {
+        // Virtualized GPUs
+        gpu->type = FF_GPU_TYPE_INTEGRATED;
+    }
+
+    if (gpu->type != FF_GPU_TYPE_UNKNOWN) {
+        FF_DEBUG("Determined GPU type based on vendor (%s) and name: %u", gpu->vendor.chars, gpu->type);
+        return true;
+    }
+
+    return false;
+}