Add texture vram usage estimation

Dalamud/Interface/Internal/Windows/Data/Widgets/TexWidget.cs

@@ -309,7 +309,7 @@ internal class TexWidget : IDataWindowWidget
             conf.QueueSave();
         }
 
-        if (!ImGui.BeginTable("##table", 5))
+        if (!ImGui.BeginTable("##table", 6))
             return;
 
         const int numIcons = 1;
@@ -318,12 +318,21 @@ internal class TexWidget : IDataWindowWidget
             iconWidths = ImGui.CalcTextSize(FontAwesomeIcon.Save.ToIconString()).X;
 
         ImGui.TableSetupScrollFreeze(0, 1);
-        ImGui.TableSetupColumn("Size", ImGuiTableColumnFlags.WidthFixed, ImGui.CalcTextSize("00000x00000").X);
+        ImGui.TableSetupColumn(
+            "Dimensions",
+            ImGuiTableColumnFlags.WidthFixed,
+            ImGui.CalcTextSize("00000x00000").X);
         ImGui.TableSetupColumn(
             "Format",
             ImGuiTableColumnFlags.WidthFixed,
             ImGui.CalcTextSize("R32G32B32A32_TYPELESS").X);
-        ImGui.TableSetupColumn("Name", ImGuiTableColumnFlags.WidthStretch);
+        ImGui.TableSetupColumn(
+            "Size",
+            ImGuiTableColumnFlags.WidthFixed,
+            ImGui.CalcTextSize("123.45 MB").X);
+        ImGui.TableSetupColumn(
+            "Name",
+            ImGuiTableColumnFlags.WidthStretch);
         ImGui.TableSetupColumn(
             "Actions",
             ImGuiTableColumnFlags.WidthFixed,
@@ -353,6 +362,11 @@ internal class TexWidget : IDataWindowWidget
                 ImGui.TableNextColumn();
                 ImGui.TextUnformatted(Enum.GetName(wrap.Format)?[12..] ?? wrap.Format.ToString());
 
+                ImGui.TableNextColumn();
+                var rawSpec = new RawImageSpecification(wrap.Width, wrap.Height, (int)wrap.Format, 0);
+                var bytes = rawSpec.EstimatedBytes;
+                ImGui.TextUnformatted(bytes < 0 ? "-" : Util.FormatBytes(bytes));
+
                 ImGui.TableNextColumn();
                 ImGui.TextUnformatted(wrap.Name);
 

Dalamud/Interface/Textures/Internal/TextureManager.Wic.cs

@@ -485,7 +485,7 @@ internal sealed partial class TextureManager
             IReadOnlyDictionary<string, object>? props = null,
             CancellationToken cancellationToken = default)
         {
-            if (!GetCorrespondingWicPixelFormat((DXGI_FORMAT)specs.DxgiFormat, out var inPixelFormat, out var srgb))
+            if (!GetCorrespondingWicPixelFormat(specs.Format, out var inPixelFormat, out var srgb))
                 throw new NotSupportedException("DXGI_FORMAT from specs is not supported by WIC.");
 
             using var encoder = default(ComPtr<IWICBitmapEncoder>);
@@ -494,7 +494,7 @@ internal sealed partial class TextureManager
             cancellationToken.ThrowIfCancellationRequested();
 
             // See: DirectXTK/Src/ScreenGrab.cpp
-            var outPixelFormat = (DXGI_FORMAT)specs.DxgiFormat switch
+            var outPixelFormat = specs.Format switch
             {
                 DXGI_FORMAT.DXGI_FORMAT_R32G32B32A32_FLOAT => GUID.GUID_WICPixelFormat128bppRGBAFloat,
                 DXGI_FORMAT.DXGI_FORMAT_R16G16B16A16_FLOAT when !this.wicFactory2.IsEmpty() =>

Dalamud/Interface/Textures/Internal/TextureManager.cs

@@ -242,7 +242,7 @@ internal sealed partial class TextureManager
             Height = (uint)specs.Height,
             MipLevels = 1,
             ArraySize = 1,
-            Format = (DXGI_FORMAT)specs.DxgiFormat,
+            Format = specs.Format,
             SampleDesc = new(1, 0),
             Usage = D3D11_USAGE.D3D11_USAGE_IMMUTABLE,
             BindFlags = (uint)D3D11_BIND_FLAG.D3D11_BIND_SHADER_RESOURCE,

Dalamud/Interface/Textures/RawImageSpecification.cs

@@ -51,10 +51,27 @@ public record struct RawImageSpecification
     /// <summary>Gets the number of bits per pixel.</summary>
     /// <exception cref="NotSupportedException">Thrown if <see cref="DxgiFormat"/> is not supported.</exception>
     public int BitsPerPixel =>
-        GetFormatInfo((DXGI_FORMAT)this.DxgiFormat, out var bitsPerPixel, out _)
+        GetFormatInfo(this.Format, out var bitsPerPixel, out _)
             ? bitsPerPixel
             : throw new NotSupportedException(FormatNotSupportedMessage);
 
+    /// <summary>Gets or sets the format (typed).</summary>
+    internal DXGI_FORMAT Format
+    {
+        get => (DXGI_FORMAT)this.DxgiFormat;
+        set => this.DxgiFormat = (int)value;
+    }
+
+    /// <summary>Gets the estimated number of bytes.</summary>
+    /// <remarks><c>-1</c> if failed.</remarks>
+    internal int EstimatedBytes =>
+        GetFormatInfo(this.Format, out var bitsPerPixel, out var isBlockCompression)
+            ? isBlockCompression
+                  ? (((Math.Max(1, (this.Width + 3) / 4) * 2 * bitsPerPixel) + 63) / 64) * 64 *
+                    Math.Max(1, (this.Height + 3) / 4)
+                  : (((((bitsPerPixel * this.Width) + 7) / 8) + 63) / 64) * 64 * this.Height
+            : -1;
+
     /// <summary>
     /// Creates a new instance of <see cref="RawImageSpecification"/> record using the given resolution,
     /// in B8G8R8A8(BGRA32) UNorm pixel format.
@@ -230,7 +247,7 @@ public record struct RawImageSpecification
             case DXGI_FORMAT.DXGI_FORMAT_B4G4R4A4_UNORM:
                 bitsPerPixel = 16;
                 isBlockCompression = true;
-                return false;
+                return true;
             default:
                 bitsPerPixel = 0;
                 isBlockCompression = false;