1 files changed, 58 insertions, 0 deletions
diff --git a/gfx/skia/skia/src/sksl/SkSLOutputStream.h b/gfx/skia/skia/src/sksl/SkSLOutputStream.h
new file mode 100644
index 0000000000..542ffd6f90
--- /dev/null
+++ b/gfx/skia/skia/src/sksl/SkSLOutputStream.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright 2017 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SKSL_OUTPUTSTREAM
+#define SKSL_OUTPUTSTREAM
+
+#include "include/core/SkTypes.h"
+
+#include <cstdarg>
+#include <cstddef>
+#include <cstdint>
+#include <string>
+
+namespace SkSL {
+
+class OutputStream {
+public:
+    virtual bool isValid() const {
+        return true;
+    }
+
+    virtual void write8(uint8_t b) = 0;
+
+    void write16(uint16_t i) {
+        this->write8((uint8_t) i);
+        this->write8((uint8_t) (i >> 8));
+    }
+
+    void write32(uint32_t i) {
+        this->write8((uint8_t) i);
+        this->write8((uint8_t) (i >> 8));
+        this->write8((uint8_t) (i >> 16));
+        this->write8((uint8_t) (i >> 24));
+    }
+
+    virtual void writeText(const char* s) = 0;
+
+    virtual void write(const void* s, size_t size) = 0;
+
+    void writeString(const std::string& s);
+
+    void printf(const char format[], ...) SK_PRINTF_LIKE(2, 3);
+
+    void appendVAList(const char format[], va_list args) SK_PRINTF_LIKE(2, 0);
+
+    virtual ~OutputStream() {}
+
+private:
+    static const int kBufferSize = 1024;
+};
+
+}  // namespace SkSL
+
+#endif