Method Update

Source/Editor/Windows/Profiler/MemoryGPU.cs:129–226

(ref SharedUpdateData sharedData)

        /// <inheritdoc />
        public override void Update(ref SharedUpdateData sharedData)
        {
            _memoryUsageChart.AddSample(sharedData.Stats.MemoryGPU.Used);

            if (_resourceCache == null)
                _resourceCache = new Dictionary<Guid, Resource>();
            if (_assetPathToId == null)
                _assetPathToId = new Dictionary<string, Guid>();
            if (_stringBuilder == null)
                _stringBuilder = new StringBuilder();

            // Capture current GPU resources usage info
            var contentDatabase = Editor.Instance.ContentDatabase;
            GPUDevice.Instance.GetResources(ref _gpuResourcesCached, out var count);
            var resources = new Resource[count];
            var sb = _stringBuilder;
            for (int i = 0; i < count; i++)
            {
                var gpuResource = _gpuResourcesCached[i];
                ref var resource = ref resources[i];
                if (!gpuResource)
                    continue;

                // Try to reuse cached resource info
                var gpuResourceId = gpuResource.ID;
                if (!_resourceCache.TryGetValue(gpuResourceId, out resource))
                {
                    resource = new Resource
                    {
#if !BUILD_RELEASE
                        Name = gpuResource.Name,
#endif
                        Type = gpuResource.ResourceType,
                    };
                    if (resource.Name == null)
                        resource.Name = string.Empty;

                    // Create tooltip
                    sb.Clear();
                    if (gpuResource is GPUTexture gpuTexture)
                    {
                        var desc = gpuTexture.Description;
                        sb.Append("Format: ").Append(desc.Format).AppendLine();
                        sb.Append("Size: ").Append(desc.Width).Append('x').Append(desc.Height);
                        if (desc.Depth != 1)
                            sb.Append('x').Append(desc.Depth);
                        if (desc.ArraySize != 1)
                            sb.Append('[').Append(desc.ArraySize).Append(']');
                        sb.AppendLine();
                        sb.Append("Mip Levels: ").Append(desc.MipLevels).AppendLine();
                        if (desc.IsMultiSample)
                            sb.Append("MSAA: ").Append('x').Append((int)desc.MultiSampleLevel).AppendLine();
                        sb.Append("Flags: ").Append(desc.Flags).AppendLine();
                        sb.Append("Usage: ").Append(desc.Usage);
                    }
                    else if (gpuResource is GPUBuffer gpuBuffer)
                    {
                        var desc = gpuBuffer.Description;