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