1 files changed, 73 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Fence9.cpp b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Fence9.cpp
new file mode 100644
index 0000000000..e844a9ae70
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d9/Fence9.cpp
@@ -0,0 +1,73 @@
+//
+// 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.
+//
+
+// Fence9.cpp: Defines the rx::FenceNV9 class.
+
+#include "libANGLE/renderer/d3d/d3d9/Fence9.h"
+
+#include "libANGLE/Context.h"
+#include "libANGLE/renderer/d3d/d3d9/Context9.h"
+#include "libANGLE/renderer/d3d/d3d9/Renderer9.h"
+#include "libANGLE/renderer/d3d/d3d9/renderer9_utils.h"
+
+namespace rx
+{
+
+FenceNV9::FenceNV9(Renderer9 *renderer) : FenceNVImpl(), mRenderer(renderer), mQuery(nullptr) {}
+
+FenceNV9::~FenceNV9()
+{
+    SafeRelease(mQuery);
+}
+
+angle::Result FenceNV9::set(const gl::Context *context, GLenum condition)
+{
+    if (!mQuery)
+    {
+        ANGLE_TRY(mRenderer->allocateEventQuery(context, &mQuery));
+    }
+
+    HRESULT result = mQuery->Issue(D3DISSUE_END);
+    if (FAILED(result))
+    {
+        SafeRelease(mQuery);
+    }
+    ANGLE_TRY_HR(GetImplAs<Context9>(context), result, "Failed to end event query");
+    return angle::Result::Continue;
+}
+
+angle::Result FenceNV9::test(const gl::Context *context, GLboolean *outFinished)
+{
+    return testHelper(GetImplAs<Context9>(context), true, outFinished);
+}
+
+angle::Result FenceNV9::finish(const gl::Context *context)
+{
+    GLboolean finished = GL_FALSE;
+    while (finished != GL_TRUE)
+    {
+        ANGLE_TRY(testHelper(GetImplAs<Context9>(context), true, &finished));
+        Sleep(0);
+    }
+
+    return angle::Result::Continue;
+}
+
+angle::Result FenceNV9::testHelper(Context9 *context9,
+                                   bool flushCommandBuffer,
+                                   GLboolean *outFinished)
+{
+    ASSERT(mQuery);
+
+    DWORD getDataFlags = (flushCommandBuffer ? D3DGETDATA_FLUSH : 0);
+    HRESULT result     = mQuery->GetData(nullptr, 0, getDataFlags);
+    ANGLE_TRY_HR(context9, result, "Failed to get query data");
+    ASSERT(result == S_OK || result == S_FALSE);
+    *outFinished = ((result == S_OK) ? GL_TRUE : GL_FALSE);
+    return angle::Result::Continue;
+}
+
+}  // namespace rx