1 files changed, 148 insertions, 0 deletions
diff --git a/gfx/layers/d3d9/Nv3DVUtils.cpp b/gfx/layers/d3d9/Nv3DVUtils.cpp
new file mode 100644
index 000000000..72638228f
--- /dev/null
+++ b/gfx/layers/d3d9/Nv3DVUtils.cpp
@@ -0,0 +1,148 @@
+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "mozilla/DebugOnly.h"
+
+#include "nsIServiceManager.h"
+#include "nsIConsoleService.h"
+#include <initguid.h>
+#include "Nv3DVUtils.h"
+
+DEFINE_GUID(CLSID_NV3DVStreaming, 
+0xf7747266, 0x777d, 0x4f61, 0xa1, 0x75, 0xdd, 0x5a, 0xdf, 0x1e, 0x37, 0xdf);
+
+DEFINE_GUID(IID_INV3DVStreaming, 
+0xf98f9bb2, 0xb914, 0x4d44, 0x98, 0xfa, 0x6e, 0x37, 0x85, 0x16, 0x98, 0x55);
+
+namespace mozilla {
+namespace layers {
+
+/**
+ * Constructor and Destructor
+ */
+Nv3DVUtils::Nv3DVUtils()
+  : m3DVStreaming (nullptr)
+{
+}
+
+Nv3DVUtils::~Nv3DVUtils()
+{
+  UnInitialize();
+}
+
+
+// Silence spurious warnings!
+#if defined(WARNING) || defined WARN_IF_FALSE
+#error We shouldn't be redefining these!
+#endif
+// Uncomment these to enable spurious warnings.
+//#define WARNING(str) NS_WARNING(str)
+//#define WARN_IF_FALSE(b, str) NS_WARNING_ASSERTION(b, str)
+#define WARNING(str)
+#define WARN_IF_FALSE(b, str)
+
+/**
+ * Initializes the Nv3DVUtils object.
+ */
+void
+Nv3DVUtils::Initialize()
+{
+  /*
+   * Detect if 3D Streaming object is already loaded. Do nothing in that case.
+   */
+  if (m3DVStreaming) {
+    WARNING("Nv3DVStreaming COM object already instantiated.\n");
+    return;
+  }
+
+  /*
+   * Create the COM object. If we fail at any stage, just return
+   */
+  HRESULT hr = CoCreateInstance(CLSID_NV3DVStreaming, nullptr, CLSCTX_INPROC_SERVER, IID_INV3DVStreaming, (void**)(getter_AddRefs(m3DVStreaming)));
+  if (FAILED(hr) || !m3DVStreaming) {
+    WARNING("Nv3DVStreaming CoCreateInstance failed (disabled).");
+    return;
+  }
+
+  /*
+   * Initialize the object. Note that m3DVStreaming cannot be nullptr at this point.
+   */
+  bool bRetVal = m3DVStreaming->Nv3DVInitialize();
+
+  if (!bRetVal) {
+    WARNING("Nv3DVStreaming Nv3DVInitialize failed!");
+    return;
+  }
+}
+
+/**
+ * Release resources used by the COM Object, and then release 
+ * the COM Object (nsRefPtr gets released by setting to nullptr) 
+ *
+ */
+void
+Nv3DVUtils::UnInitialize()
+{
+  if (m3DVStreaming) {
+    m3DVStreaming->Nv3DVRelease();
+  }
+}
+
+/**
+ * Sets the device info, along with any other initialization that is needed after device creation
+ * Pass the D3D9 device pointer is an IUnknown input argument.
+ */
+void 
+Nv3DVUtils::SetDeviceInfo(IUnknown *devUnknown)
+{
+  if (!devUnknown) {
+    WARNING("D3D Device Pointer (IUnknown) is nullptr.\n");
+    return;
+  }
+
+  if (!m3DVStreaming) {
+      return;
+  }
+
+  bool rv = m3DVStreaming->Nv3DVSetDevice(devUnknown);
+  if (!rv) {
+      WARNING("Nv3DVStreaming Nv3DVControl failed!");
+      return;
+  }
+
+  rv = m3DVStreaming->Nv3DVControl(NV_STEREO_MODE_RIGHT_LEFT, true, FIREFOX_3DV_APP_HANDLE);
+  WARN_IF_FALSE(rv, "Nv3DVStreaming Nv3DVControl failed!");
+}
+
+/*
+ * Send Stereo Control Information. Used mainly to re-route
+ * calls from ImageLayerD3D9 to the 3DV COM object
+ */
+void 
+Nv3DVUtils::SendNv3DVControl(Nv_Stereo_Mode eStereoMode, bool bEnableStereo, DWORD dw3DVAppHandle)
+{
+  if (!m3DVStreaming)
+      return;
+
+  DebugOnly<bool> rv = m3DVStreaming->Nv3DVControl(eStereoMode, bEnableStereo, dw3DVAppHandle);
+  WARN_IF_FALSE(rv, "Nv3DVStreaming Nv3DVControl failed!");
+}
+
+/*
+ * Send Stereo Metadata. Used mainly to re-route calls
+ * from ImageLayerD3D9 to the 3DV COM object
+ */
+void
+Nv3DVUtils::SendNv3DVMetaData(unsigned int dwWidth, unsigned int dwHeight, HANDLE hSrcLuma, HANDLE hDst)
+{
+  if (!m3DVStreaming)
+      return;
+
+  DebugOnly<bool> rv = m3DVStreaming->Nv3DVMetaData((DWORD)dwWidth, (DWORD)dwHeight, hSrcLuma, hDst);
+  WARN_IF_FALSE(rv, "Nv3DVStreaming Nv3DVMetaData failed!");
+}
+
+} /* namespace layers */
+} /* namespace mozilla */