gfx/layers/d3d9/Nv3DVUtils.cpp

branch
TOR_BUG_3246
changeset 7
129ffea94266
equal deleted inserted replaced
-1:000000000000 0:db1e8ecf44f8
1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
2 * This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
5
6 #include "mozilla/DebugOnly.h"
7
8 #include "nsIServiceManager.h"
9 #include "nsIConsoleService.h"
10 #include <initguid.h>
11 #include "Nv3DVUtils.h"
12
13 DEFINE_GUID(CLSID_NV3DVStreaming,
14 0xf7747266, 0x777d, 0x4f61, 0xa1, 0x75, 0xdd, 0x5a, 0xdf, 0x1e, 0x37, 0xdf);
15
16 DEFINE_GUID(IID_INV3DVStreaming,
17 0xf98f9bb2, 0xb914, 0x4d44, 0x98, 0xfa, 0x6e, 0x37, 0x85, 0x16, 0x98, 0x55);
18
19 namespace mozilla {
20 namespace layers {
21
22 /**
23 * Constructor and Destructor
24 */
25 Nv3DVUtils::Nv3DVUtils()
26 : m3DVStreaming (nullptr)
27 {
28 }
29
30 Nv3DVUtils::~Nv3DVUtils()
31 {
32 UnInitialize();
33 }
34
35
36 // Silence spurious warnings!
37 #if defined(WARNING) || defined WARN_IF_FALSE
38 #error We shouldn't be redefining these!
39 #endif
40 // Uncomment these to enable spurious warnings.
41 //#define WARNING(str) NS_WARNING(str)
42 //#define WARN_IF_FALSE(b, str) NS_WARN_IF_FALSE(b, str)
43 #define WARNING(str)
44 #define WARN_IF_FALSE(b, str)
45
46 /**
47 * Initializes the Nv3DVUtils object.
48 */
49 void
50 Nv3DVUtils::Initialize()
51 {
52 /*
53 * Detect if 3D Streaming object is already loaded. Do nothing in that case.
54 */
55 if (m3DVStreaming) {
56 WARNING("Nv3DVStreaming COM object already instantiated.\n");
57 return;
58 }
59
60 /*
61 * Create the COM object. If we fail at any stage, just return
62 */
63 HRESULT hr = CoCreateInstance(CLSID_NV3DVStreaming, nullptr, CLSCTX_INPROC_SERVER, IID_INV3DVStreaming, (void**)(getter_AddRefs(m3DVStreaming)));
64 if (FAILED(hr) || !m3DVStreaming) {
65 WARNING("Nv3DVStreaming CoCreateInstance failed (disabled).");
66 return;
67 }
68
69 /*
70 * Initialize the object. Note that m3DVStreaming cannot be nullptr at this point.
71 */
72 bool bRetVal = m3DVStreaming->Nv3DVInitialize();
73
74 if (!bRetVal) {
75 WARNING("Nv3DVStreaming Nv3DVInitialize failed!");
76 return;
77 }
78 }
79
80 /**
81 * Release resources used by the COM Object, and then release
82 * the COM Object (nsRefPtr gets released by setting to nullptr)
83 *
84 */
85 void
86 Nv3DVUtils::UnInitialize()
87 {
88 if (m3DVStreaming) {
89 m3DVStreaming->Nv3DVRelease();
90 }
91 }
92
93 /**
94 * Sets the device info, along with any other initialization that is needed after device creation
95 * Pass the D3D9 device pointer is an IUnknown input argument.
96 */
97 void
98 Nv3DVUtils::SetDeviceInfo(IUnknown *devUnknown)
99 {
100 if (!devUnknown) {
101 WARNING("D3D Device Pointer (IUnknown) is nullptr.\n");
102 return;
103 }
104
105 if (!m3DVStreaming) {
106 return;
107 }
108
109 bool rv = m3DVStreaming->Nv3DVSetDevice(devUnknown);
110 if (!rv) {
111 WARNING("Nv3DVStreaming Nv3DVControl failed!");
112 return;
113 }
114
115 rv = m3DVStreaming->Nv3DVControl(NV_STEREO_MODE_RIGHT_LEFT, true, FIREFOX_3DV_APP_HANDLE);
116 WARN_IF_FALSE(rv, "Nv3DVStreaming Nv3DVControl failed!");
117 }
118
119 /*
120 * Send Stereo Control Information. Used mainly to re-route
121 * calls from ImageLayerD3D9 to the 3DV COM object
122 */
123 void
124 Nv3DVUtils::SendNv3DVControl(Nv_Stereo_Mode eStereoMode, bool bEnableStereo, DWORD dw3DVAppHandle)
125 {
126 if (!m3DVStreaming)
127 return;
128
129 DebugOnly<bool> rv = m3DVStreaming->Nv3DVControl(eStereoMode, bEnableStereo, dw3DVAppHandle);
130 WARN_IF_FALSE(rv, "Nv3DVStreaming Nv3DVControl failed!");
131 }
132
133 /*
134 * Send Stereo Metadata. Used mainly to re-route calls
135 * from ImageLayerD3D9 to the 3DV COM object
136 */
137 void
138 Nv3DVUtils::SendNv3DVMetaData(unsigned int dwWidth, unsigned int dwHeight, HANDLE hSrcLuma, HANDLE hDst)
139 {
140 if (!m3DVStreaming)
141 return;
142
143 DebugOnly<bool> rv = m3DVStreaming->Nv3DVMetaData((DWORD)dwWidth, (DWORD)dwHeight, hSrcLuma, hDst);
144 WARN_IF_FALSE(rv, "Nv3DVStreaming Nv3DVMetaData failed!");
145 }
146
147 } /* namespace layers */
148 } /* namespace mozilla */

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