1 files changed, 72 insertions, 0 deletions
diff --git a/gfx/skia/skia/include/sksl/DSLModifiers.h b/gfx/skia/skia/include/sksl/DSLModifiers.h
new file mode 100644
index 0000000000..c60b7b2c0c
--- /dev/null
+++ b/gfx/skia/skia/include/sksl/DSLModifiers.h
@@ -0,0 +1,72 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SKSL_DSL_MODIFIERS
+#define SKSL_DSL_MODIFIERS
+
+#include "include/core/SkSpan.h"
+#include "include/private/SkSLModifiers.h"
+#include "include/sksl/DSLLayout.h"
+
+namespace SkSL {
+
+namespace dsl {
+
+class DSLField;
+class DSLType;
+
+enum Modifier {
+    kNo_Modifier            = SkSL::Modifiers::kNo_Flag,
+    kConst_Modifier         = SkSL::Modifiers::kConst_Flag,
+    kIn_Modifier            = SkSL::Modifiers::kIn_Flag,
+    kOut_Modifier           = SkSL::Modifiers::kOut_Flag,
+    kInOut_Modifier         = SkSL::Modifiers::kIn_Flag | SkSL::Modifiers::kOut_Flag,
+    kUniform_Modifier       = SkSL::Modifiers::kUniform_Flag,
+    kFlat_Modifier          = SkSL::Modifiers::kFlat_Flag,
+    kNoPerspective_Modifier = SkSL::Modifiers::kNoPerspective_Flag,
+};
+
+class DSLModifiers {
+public:
+    DSLModifiers(int flags = 0, Position pos = {})
+        : DSLModifiers(DSLLayout(), flags, pos) {}
+
+    DSLModifiers(DSLLayout layout, int flags = 0, Position pos = {})
+        : fModifiers(layout.fSkSLLayout, flags)
+        , fPosition(pos) {}
+
+    int& flags() {
+        return fModifiers.fFlags;
+    }
+
+    const int& flags() const {
+        return fModifiers.fFlags;
+    }
+
+    DSLLayout layout() const {
+        return DSLLayout(fModifiers.fLayout);
+    }
+
+private:
+    SkSL::Modifiers fModifiers;
+    Position fPosition;
+
+    friend DSLType StructType(std::string_view name,
+                              SkSpan<DSLField> fields,
+                              bool interfaceBlock,
+                              Position pos);
+    friend class DSLCore;
+    friend class DSLFunction;
+    friend class DSLType;
+    friend class DSLWriter;
+};
+
+} // namespace dsl
+
+} // namespace SkSL
+
+#endif