1 files changed, 75 insertions, 0 deletions
diff --git a/gfx/skia/skia/src/sksl/ir/SkSLLayout.cpp b/gfx/skia/skia/src/sksl/ir/SkSLLayout.cpp
new file mode 100644
index 0000000000..3274ab1185
--- /dev/null
+++ b/gfx/skia/skia/src/sksl/ir/SkSLLayout.cpp
@@ -0,0 +1,75 @@
+/*
+ * Copyright 2022 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "include/private/SkSLLayout.h"
+#include "include/private/SkSLString.h"
+
+namespace SkSL {
+
+std::string Layout::description() const {
+    std::string result;
+    auto separator = SkSL::String::Separator();
+    if (fLocation >= 0) {
+        result += separator() + "location = " + std::to_string(fLocation);
+    }
+    if (fOffset >= 0) {
+        result += separator() + "offset = " + std::to_string(fOffset);
+    }
+    if (fBinding >= 0) {
+        result += separator() + "binding = " + std::to_string(fBinding);
+    }
+    if (fTexture >= 0) {
+        result += separator() + "texture = " + std::to_string(fTexture);
+    }
+    if (fSampler >= 0) {
+        result += separator() + "sampler = " + std::to_string(fSampler);
+    }
+    if (fIndex >= 0) {
+        result += separator() + "index = " + std::to_string(fIndex);
+    }
+    if (fSet >= 0) {
+        result += separator() + "set = " + std::to_string(fSet);
+    }
+    if (fBuiltin >= 0) {
+        result += separator() + "builtin = " + std::to_string(fBuiltin);
+    }
+    if (fInputAttachmentIndex >= 0) {
+        result += separator() + "input_attachment_index = " +
+                  std::to_string(fInputAttachmentIndex);
+    }
+    if (fFlags & kOriginUpperLeft_Flag) {
+        result += separator() + "origin_upper_left";
+    }
+    if (fFlags & kBlendSupportAllEquations_Flag) {
+        result += separator() + "blend_support_all_equations";
+    }
+    if (fFlags & kPushConstant_Flag) {
+        result += separator() + "push_constant";
+    }
+    if (fFlags & kColor_Flag) {
+        result += separator() + "color";
+    }
+    if (result.size() > 0) {
+        result = "layout (" + result + ")";
+    }
+    return result;
+}
+
+bool Layout::operator==(const Layout& other) const {
+    return fFlags                == other.fFlags &&
+           fLocation             == other.fLocation &&
+           fOffset               == other.fOffset &&
+           fBinding              == other.fBinding &&
+           fTexture              == other.fTexture &&
+           fSampler              == other.fSampler &&
+           fIndex                == other.fIndex &&
+           fSet                  == other.fSet &&
+           fBuiltin              == other.fBuiltin &&
+           fInputAttachmentIndex == other.fInputAttachmentIndex;
+}
+
+}  // namespace SkSL