BC4 texture import: reswizzle to rrr1

turanszkij · Feb 22, 2025 · bc3cf30 · bc3cf30
1 parent 65081ab
commit bc3cf30
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/WickedEngine/wiResourceManager.cpp b/WickedEngine/wiResourceManager.cpp
@@ -703,7 +703,14 @@ namespace wi
 							break;
 						}
 
-						if (desc.format == Format::BC5_UNORM)
+						if (desc.format == Format::BC4_UNORM || desc.format == Format::BC4_SNORM)
+						{
+							desc.swizzle.r = ComponentSwizzle::R;
+							desc.swizzle.g = ComponentSwizzle::R;
+							desc.swizzle.b = ComponentSwizzle::R;
+							desc.swizzle.a = ComponentSwizzle::ONE;
+						}
+						if (desc.format == Format::BC5_UNORM || desc.format == Format::BC5_SNORM)
 						{
 							desc.swizzle.r = ComponentSwizzle::R;
 							desc.swizzle.g = ComponentSwizzle::G;