gecko-dev/gfx/layers/d3d9/Nv3DVUtils.cpp

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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
2012-05-21 11:12:37 +00:00
* 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_WARN_IF_FALSE(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 */