[shader_recompiler] Fix guest image byte count calculation for Vulkan video presenter (#395)

2026-07-22 19:06:15 +08:00 · 2026-07-18 16:09:26 +03:00
parent 5309f384cf
commit a709ccca17
4 changed files with 348 additions and 43 deletions
@@ -0,0 +1,39 @@
+// Copyright (C) 2026 SharpEmu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+using SharpEmu.Libs.VideoOut;
+using Xunit;
+
+namespace SharpEmu.Libs.Tests.VideoOut;
+
+public sealed class VulkanGuestImageByteCountTests
+{
+    [Theory]
+    [InlineData(10u, 642u, 362u, 929616UL)]
+    [InlineData(12u, 642u, 362u, 1859232UL)]
+    [InlineData(13u, 2u, 2u, 48UL)]
+    public void UsesGuestSurfaceTexelSize(
+        uint format,
+        uint width,
+        uint height,
+        ulong expected)
+    {
+        Assert.Equal(
+            expected,
+            VulkanVideoPresenter.GetGuestImageByteCount(format, width, height));
+    }
+
+    [Theory]
+    [InlineData(169u, 4u, 4u, 8UL)]
+    [InlineData(173u, 5u, 5u, 64UL)]
+    public void UsesCompressedBlockExtent(
+        uint format,
+        uint width,
+        uint height,
+        ulong expected)
+    {
+        Assert.Equal(
+            expected,
+            VulkanVideoPresenter.GetGuestImageByteCount(format, width, height));
+    }
+}