1 files changed, 3 insertions, 0 deletions
diff --git a/src/gpu/mtl/GrMtlUtil.mm b/src/gpu/mtl/GrMtlUtil.mm
index 383cc98264..e8a736c8f1 100644
--- a/src/gpu/mtl/GrMtlUtil.mm
+++ b/src/gpu/mtl/GrMtlUtil.mm
@@ -21,6 +21,9 @@ bool GrPixelConfigToMTLFormat(GrPixelConfig config, MTLPixelFormat* format) {
         case kRGBA_8888_GrPixelConfig:
             *format = MTLPixelFormatRGBA8Unorm;
             return true;
+        case kRGB_888_GrPixelConfig:
+            // TODO: MTLPixelFormatRGB8Unorm
+            return false;
         case kBGRA_8888_GrPixelConfig:
             *format = MTLPixelFormatBGRA8Unorm;
             return true;