DDS support for L8A8 with bitcount 8 instead of 16

2026-02-07 13:26:13 +01:00 · 2016-12-08 11:05:31 -08:00
parent edd28124b8
commit 0abee99a11
4 changed files with 25 additions and 6 deletions
--- a/DDSTextureLoader/DDSTextureLoader12.cpp
+++ b/DDSTextureLoader/DDSTextureLoader12.cpp
@@ -635,6 +635,11 @@ namespace
                }

                // No DXGI format maps to ISBITMASK(0x0f,0x00,0x00,0xf0) aka D3DFMT_A4L4
+
+                if (ISBITMASK(0x000000ff, 0x00000000, 0x00000000, 0x0000ff00))
+                {
+                    return DXGI_FORMAT_R8G8_UNORM; // Some DDS writers assume the bitcount should be 8 instead of 16
+                }
            }

            if (16 == ddpf.RGBBitCount)