1 files changed, 71 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Query11.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Query11.h
new file mode 100644
index 0000000000..96ac59d742
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/Query11.h
@@ -0,0 +1,71 @@
+//
+// Copyright 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"
+#include "libANGLE/renderer/d3d/d3d11/ResourceManager11.h"
+
+namespace rx
+{
+class Context11;
+class Renderer11;
+
+class Query11 : public QueryImpl
+{
+  public:
+    Query11(Renderer11 *renderer, gl::QueryType type);
+    ~Query11() override;
+
+    angle::Result begin(const gl::Context *context) override;
+    angle::Result end(const gl::Context *context) override;
+    angle::Result queryCounter(const gl::Context *context) override;
+    angle::Result getResult(const gl::Context *context, GLint *params) override;
+    angle::Result getResult(const gl::Context *context, GLuint *params) override;
+    angle::Result getResult(const gl::Context *context, GLint64 *params) override;
+    angle::Result getResult(const gl::Context *context, GLuint64 *params) override;
+    angle::Result isResultAvailable(const gl::Context *context, bool *available) override;
+
+    angle::Result pause(Context11 *context11);
+    angle::Result resume(Context11 *context11);
+
+  private:
+    struct QueryState final : private angle::NonCopyable
+    {
+        QueryState();
+        ~QueryState();
+
+        unsigned int getDataAttemptCount;
+
+        d3d11::Query query;
+        d3d11::Query beginTimestamp;
+        d3d11::Query endTimestamp;
+        bool finished;
+    };
+
+    angle::Result flush(Context11 *context11, bool force);
+    angle::Result testQuery(Context11 *context11, QueryState *queryState);
+
+    template <typename T>
+    angle::Result getResultBase(Context11 *context11, T *params);
+
+    GLuint64 mResult;
+    GLuint64 mResultSum;
+
+    Renderer11 *mRenderer;
+
+    std::unique_ptr<QueryState> mActiveQuery;
+    std::deque<std::unique_ptr<QueryState>> mPendingQueries;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D11_QUERY11_H_