commit e1182785beee0356d742a7c7e5af8fd8ef0bd1c4
author John Stiles <johnstiles@google.com> Tue Mar 30 22:09:37 2021 -0400
committer Skia Commit-Bot <skia-commit-bot@chromium.org> Wed Mar 31 18:00:42 2021 +0000
tree 1a0bda50fbe86aa2a0314a3df67ab3fc66a6115f
parent 9f5ad49ec1040b993184dc3306fea974c4b1e23b

Create a diagonal-matrix Constructor class.

This constructor takes a single argument and splats it diagonally across
an otherwise-zero matrix. These are also sometimes referred to as a
uniform-scale matrix.

Change-Id: I1ed8140f55f5cad4029015807b220d6475401daa
Bug: skia:11032
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/390716
Auto-Submit: John Stiles <johnstiles@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: John Stiles <johnstiles@google.com>

src/sksl/SkSLMetalCodeGenerator.h

diff --git a/src/sksl/SkSLMetalCodeGenerator.h b/src/sksl/SkSLMetalCodeGenerator.h
index 6b38c03..9bd500f 100644
--- a/src/sksl/SkSLMetalCodeGenerator.h
+++ b/src/sksl/SkSLMetalCodeGenerator.h
@@ -22,6 +22,7 @@
 #include "src/sksl/ir/SkSLBinaryExpression.h"
 #include "src/sksl/ir/SkSLBoolLiteral.h"
 #include "src/sksl/ir/SkSLConstructor.h"
+#include "src/sksl/ir/SkSLConstructorDiagonalMatrix.h"
 #include "src/sksl/ir/SkSLDoStatement.h"
 #include "src/sksl/ir/SkSLExtension.h"
 #include "src/sksl/ir/SkSLFieldAccess.h"
@@ -229,6 +230,9 @@
 
     void writeConstructor(const Constructor& c, Precedence parentPrecedence);
 
+    void writeConstructorDiagonalMatrix(const ConstructorDiagonalMatrix& c,
+                                        Precedence parentPrecedence);
+
     void writeFieldAccess(const FieldAccess& f);
 
     void writeSwizzle(const Swizzle& swizzle);