1 files changed, 70 insertions, 0 deletions
diff --git a/gfx/angle/src/libANGLE/queryconversions.h b/gfx/angle/src/libANGLE/queryconversions.h
new file mode 100755
index 000000000..5b96a3e15
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+++ b/gfx/angle/src/libANGLE/queryconversions.h
@@ -0,0 +1,70 @@
+//
+// Copyright (c) 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// queryconversions.h: Declaration of state query cast conversions
+
+#ifndef LIBANGLE_QUERY_CONVERSIONS_H_
+#define LIBANGLE_QUERY_CONVERSIONS_H_
+
+#include "angle_gl.h"
+#include "common/angleutils.h"
+
+namespace gl
+{
+class Context;
+
+// Helper class for converting a GL type to a GLenum:
+// We can't use CastStateValueEnum generally, because of GLboolean + GLubyte overlap.
+// We restrict our use to CastStateValue, where it eliminates duplicate parameters.
+
+template <typename GLType>
+struct GLTypeToGLenum
+{
+    // static constexpr GLenum value;
+};
+
+template <>
+struct GLTypeToGLenum<GLint>
+{
+    static constexpr GLenum value = GL_INT;
+};
+template <>
+struct GLTypeToGLenum<GLuint>
+{
+    static constexpr GLenum value = GL_UNSIGNED_INT;
+};
+template <>
+struct GLTypeToGLenum<GLboolean>
+{
+    static constexpr GLenum value = GL_BOOL;
+};
+template <>
+struct GLTypeToGLenum<GLint64>
+{
+    static constexpr GLenum value = GL_INT_64_ANGLEX;
+};
+template <>
+struct GLTypeToGLenum<GLfloat>
+{
+    static constexpr GLenum value = GL_FLOAT;
+};
+
+// The GL state query API types are: bool, int, uint, float, int64
+template <typename QueryT>
+void CastStateValues(Context *context, GLenum nativeType, GLenum pname,
+                     unsigned int numParams, QueryT *outParams);
+
+// The GL state query API types are: bool, int, uint, float, int64
+template <typename QueryT>
+void CastIndexedStateValues(Context *context,
+                            GLenum nativeType,
+                            GLenum pname,
+                            GLuint index,
+                            unsigned int numParams,
+                            QueryT *outParams);
+}
+
+#endif  // LIBANGLE_QUERY_CONVERSIONS_H_