1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/layers/d3d9/Nv3DVUtils.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,148 @@
1.4 +/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
1.5 + * This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#include "mozilla/DebugOnly.h"
1.10 +
1.11 +#include "nsIServiceManager.h"
1.12 +#include "nsIConsoleService.h"
1.13 +#include <initguid.h>
1.14 +#include "Nv3DVUtils.h"
1.15 +
1.16 +DEFINE_GUID(CLSID_NV3DVStreaming,
1.17 +0xf7747266, 0x777d, 0x4f61, 0xa1, 0x75, 0xdd, 0x5a, 0xdf, 0x1e, 0x37, 0xdf);
1.18 +
1.19 +DEFINE_GUID(IID_INV3DVStreaming,
1.20 +0xf98f9bb2, 0xb914, 0x4d44, 0x98, 0xfa, 0x6e, 0x37, 0x85, 0x16, 0x98, 0x55);
1.21 +
1.22 +namespace mozilla {
1.23 +namespace layers {
1.24 +
1.25 +/**
1.26 + * Constructor and Destructor
1.27 + */
1.28 +Nv3DVUtils::Nv3DVUtils()
1.29 + : m3DVStreaming (nullptr)
1.30 +{
1.31 +}
1.32 +
1.33 +Nv3DVUtils::~Nv3DVUtils()
1.34 +{
1.35 + UnInitialize();
1.36 +}
1.37 +
1.38 +
1.39 +// Silence spurious warnings!
1.40 +#if defined(WARNING) || defined WARN_IF_FALSE
1.41 +#error We shouldn't be redefining these!
1.42 +#endif
1.43 +// Uncomment these to enable spurious warnings.
1.44 +//#define WARNING(str) NS_WARNING(str)
1.45 +//#define WARN_IF_FALSE(b, str) NS_WARN_IF_FALSE(b, str)
1.46 +#define WARNING(str)
1.47 +#define WARN_IF_FALSE(b, str)
1.48 +
1.49 +/**
1.50 + * Initializes the Nv3DVUtils object.
1.51 + */
1.52 +void
1.53 +Nv3DVUtils::Initialize()
1.54 +{
1.55 + /*
1.56 + * Detect if 3D Streaming object is already loaded. Do nothing in that case.
1.57 + */
1.58 + if (m3DVStreaming) {
1.59 + WARNING("Nv3DVStreaming COM object already instantiated.\n");
1.60 + return;
1.61 + }
1.62 +
1.63 + /*
1.64 + * Create the COM object. If we fail at any stage, just return
1.65 + */
1.66 + HRESULT hr = CoCreateInstance(CLSID_NV3DVStreaming, nullptr, CLSCTX_INPROC_SERVER, IID_INV3DVStreaming, (void**)(getter_AddRefs(m3DVStreaming)));
1.67 + if (FAILED(hr) || !m3DVStreaming) {
1.68 + WARNING("Nv3DVStreaming CoCreateInstance failed (disabled).");
1.69 + return;
1.70 + }
1.71 +
1.72 + /*
1.73 + * Initialize the object. Note that m3DVStreaming cannot be nullptr at this point.
1.74 + */
1.75 + bool bRetVal = m3DVStreaming->Nv3DVInitialize();
1.76 +
1.77 + if (!bRetVal) {
1.78 + WARNING("Nv3DVStreaming Nv3DVInitialize failed!");
1.79 + return;
1.80 + }
1.81 +}
1.82 +
1.83 +/**
1.84 + * Release resources used by the COM Object, and then release
1.85 + * the COM Object (nsRefPtr gets released by setting to nullptr)
1.86 + *
1.87 + */
1.88 +void
1.89 +Nv3DVUtils::UnInitialize()
1.90 +{
1.91 + if (m3DVStreaming) {
1.92 + m3DVStreaming->Nv3DVRelease();
1.93 + }
1.94 +}
1.95 +
1.96 +/**
1.97 + * Sets the device info, along with any other initialization that is needed after device creation
1.98 + * Pass the D3D9 device pointer is an IUnknown input argument.
1.99 + */
1.100 +void
1.101 +Nv3DVUtils::SetDeviceInfo(IUnknown *devUnknown)
1.102 +{
1.103 + if (!devUnknown) {
1.104 + WARNING("D3D Device Pointer (IUnknown) is nullptr.\n");
1.105 + return;
1.106 + }
1.107 +
1.108 + if (!m3DVStreaming) {
1.109 + return;
1.110 + }
1.111 +
1.112 + bool rv = m3DVStreaming->Nv3DVSetDevice(devUnknown);
1.113 + if (!rv) {
1.114 + WARNING("Nv3DVStreaming Nv3DVControl failed!");
1.115 + return;
1.116 + }
1.117 +
1.118 + rv = m3DVStreaming->Nv3DVControl(NV_STEREO_MODE_RIGHT_LEFT, true, FIREFOX_3DV_APP_HANDLE);
1.119 + WARN_IF_FALSE(rv, "Nv3DVStreaming Nv3DVControl failed!");
1.120 +}
1.121 +
1.122 +/*
1.123 + * Send Stereo Control Information. Used mainly to re-route
1.124 + * calls from ImageLayerD3D9 to the 3DV COM object
1.125 + */
1.126 +void
1.127 +Nv3DVUtils::SendNv3DVControl(Nv_Stereo_Mode eStereoMode, bool bEnableStereo, DWORD dw3DVAppHandle)
1.128 +{
1.129 + if (!m3DVStreaming)
1.130 + return;
1.131 +
1.132 + DebugOnly<bool> rv = m3DVStreaming->Nv3DVControl(eStereoMode, bEnableStereo, dw3DVAppHandle);
1.133 + WARN_IF_FALSE(rv, "Nv3DVStreaming Nv3DVControl failed!");
1.134 +}
1.135 +
1.136 +/*
1.137 + * Send Stereo Metadata. Used mainly to re-route calls
1.138 + * from ImageLayerD3D9 to the 3DV COM object
1.139 + */
1.140 +void
1.141 +Nv3DVUtils::SendNv3DVMetaData(unsigned int dwWidth, unsigned int dwHeight, HANDLE hSrcLuma, HANDLE hDst)
1.142 +{
1.143 + if (!m3DVStreaming)
1.144 + return;
1.145 +
1.146 + DebugOnly<bool> rv = m3DVStreaming->Nv3DVMetaData((DWORD)dwWidth, (DWORD)dwHeight, hSrcLuma, hDst);
1.147 + WARN_IF_FALSE(rv, "Nv3DVStreaming Nv3DVMetaData failed!");
1.148 +}
1.149 +
1.150 +} /* namespace layers */
1.151 +} /* namespace mozilla */
