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