Capture RowMajor/ColMajor decorations

src/Pipeline/SpirvShader.cpp

@@ -1364,6 +1364,13 @@ namespace sw
 		case spv::DecorationRelaxedPrecision:
 			RelaxedPrecision = true;
 			break;
+		case spv::DecorationRowMajor:
+			HasRowMajor = true;
+			RowMajor = true;
+			break;
+		case spv::DecorationColMajor:
+			HasRowMajor = true;
+			RowMajor = false;
 		default:
 			// Intentionally partial, there are many decorations we just don't care about.
 			break;
@@ -1409,6 +1416,12 @@ namespace sw
 			MatrixStride = src.MatrixStride;
 		}
 
+		if (src.HasRowMajor)
+		{
+			HasRowMajor = true;
+			RowMajor = src.RowMajor;
+		}
+
 		Flat |= src.Flat;
 		NoPerspective |= src.NoPerspective;
 		Centroid |= src.Centroid;

src/Pipeline/SpirvShader.hpp

@@ -416,6 +416,7 @@ namespace sw
 			bool HasOffset : 1;
 			bool HasArrayStride : 1;
 			bool HasMatrixStride : 1;
+			bool HasRowMajor : 1;		// whether RowMajor bit is valid.
 
 			bool Flat : 1;
 			bool Centroid : 1;
@@ -423,6 +424,7 @@ namespace sw
 			bool Block : 1;
 			bool BufferBlock : 1;
 			bool RelaxedPrecision : 1;
+			bool RowMajor : 1;			// RowMajor if true; ColMajor if false
 
 			Decorations()
 					: Location{-1}, Component{0},
@@ -431,9 +433,10 @@ namespace sw
 					  HasLocation{false}, HasComponent{false},
 					  HasBuiltIn{false}, HasOffset{false},
 					  HasArrayStride{false}, HasMatrixStride{false},
+					  HasRowMajor{false},
 					  Flat{false}, Centroid{false}, NoPerspective{false},
 					  Block{false}, BufferBlock{false},
-					  RelaxedPrecision{false}
+					  RelaxedPrecision{false}, RowMajor{false}
 			{
 			}