1 files changed, 67 insertions, 0 deletions
diff --git a/gfx/angle/src/libANGLE/renderer/d3d/d3d11/Query11.h b/gfx/angle/src/libANGLE/renderer/d3d/d3d11/Query11.h
new file mode 100755
index 000000000..706f805df
--- /dev/null
+++ b/gfx/angle/src/libANGLE/renderer/d3d/d3d11/Query11.h
@@ -0,0 +1,67 @@
+//
+// Copyright (c) 2013 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.
+//
+
+// Query11.h: Defines the rx::Query11 class which implements rx::QueryImpl.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D11_QUERY11_H_
+#define LIBANGLE_RENDERER_D3D_D3D11_QUERY11_H_
+
+#include <deque>
+
+#include "libANGLE/renderer/QueryImpl.h"
+
+namespace rx
+{
+class Renderer11;
+
+class Query11 : public QueryImpl
+{
+  public:
+    Query11(Renderer11 *renderer, GLenum type);
+    ~Query11() override;
+
+    gl::Error begin() override;
+    gl::Error end() override;
+    gl::Error queryCounter() override;
+    gl::Error getResult(GLint *params) override;
+    gl::Error getResult(GLuint *params) override;
+    gl::Error getResult(GLint64 *params) override;
+    gl::Error getResult(GLuint64 *params) override;
+    gl::Error isResultAvailable(bool *available) override;
+
+    gl::Error pause();
+    gl::Error resume();
+
+  private:
+    struct QueryState final : public angle::NonCopyable
+    {
+        QueryState();
+        ~QueryState();
+
+        ID3D11Query *query;
+        ID3D11Query *beginTimestamp;
+        ID3D11Query *endTimestamp;
+        bool finished;
+    };
+
+    gl::Error flush(bool force);
+    gl::Error testQuery(QueryState *queryState);
+
+    template <typename T>
+    gl::Error getResultBase(T *params);
+
+    GLuint64 mResult;
+    GLuint64 mResultSum;
+
+    Renderer11 *mRenderer;
+
+    std::unique_ptr<QueryState> mActiveQuery;
+    std::deque<std::unique_ptr<QueryState>> mPendingQueries;
+};
+
+}
+
+#endif // LIBANGLE_RENDERER_D3D_D3D11_QUERY11_H_