Allow partially mapped textures with unmapped start (#4394)

2023-02-10 11:47:59 -03:00
parent 5f38086f94
commit 61b1ce252f
2 changed files with 39 additions and 0 deletions
--- a/Ryujinx.Graphics.Gpu/Image/TextureCache.cs
+++ b/Ryujinx.Graphics.Gpu/Image/TextureCache.cs
@ -474,6 +474,13 @@ namespace Ryujinx.Graphics.Gpu.Image
            {
                address = memoryManager.Translate(info.GpuAddress);

+                // If the start address is unmapped, let's try to find a page of memory that is mapped.
+                if (address == MemoryManager.PteUnmapped)
+                {
+                    address = memoryManager.TranslateFirstMapped(info.GpuAddress, (ulong)info.CalculateSizeInfo(layerSize).TotalSize);
+                }
+
+                // If address is still invalid, the texture is fully unmapped, so it has no data, just return null.
                if (address == MemoryManager.PteUnmapped)
                {
                    return null;