1 files changed, 40 insertions, 0 deletions
diff --git a/gfx/skia/skia/src/utils/SkShaderUtils.h b/gfx/skia/skia/src/utils/SkShaderUtils.h
new file mode 100644
index 0000000000..a3e8b40ba5
--- /dev/null
+++ b/gfx/skia/skia/src/utils/SkShaderUtils.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2019 Google LLC
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SkShaderUtils_DEFINED
+#define SkShaderUtils_DEFINED
+
+#include "include/private/base/SkDebug.h"
+
+#include <cstdint>
+#include <functional>
+#include <string>
+
+namespace SkSL { enum class ProgramKind : int8_t; }
+
+namespace SkShaderUtils {
+
+std::string PrettyPrint(const std::string& string);
+
+void VisitLineByLine(const std::string& text,
+                     const std::function<void(int lineNumber, const char* lineText)>&);
+
+// Prints shaders one line at the time. This ensures they don't get truncated by the adb log.
+inline void PrintLineByLine(const std::string& text) {
+    VisitLineByLine(text, [](int lineNumber, const char* lineText) {
+        SkDebugf("%4i\t%s\n", lineNumber, lineText);
+    });
+}
+
+// Combines raw shader and error text into an easier-to-read error message with line numbers.
+std::string BuildShaderErrorMessage(const char* shader, const char* errors);
+
+void PrintShaderBanner(SkSL::ProgramKind programKind);
+
+}  // namespace SkShaderUtils
+
+#endif