1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
|
//
// Copyright (c) 2016 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// NativeWindow11Win32.cpp: Implementation of NativeWindow11 using win32 window APIs.
#include "libANGLE/renderer/d3d/d3d11/win32/NativeWindow11Win32.h"
#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
#include "common/debug.h"
#include <initguid.h>
#include <dcomp.h>
namespace rx
{
NativeWindow11Win32::NativeWindow11Win32(EGLNativeWindowType window,
bool hasAlpha,
bool directComposition)
: NativeWindow11(window),
mDirectComposition(directComposition),
mHasAlpha(hasAlpha),
mDevice(nullptr),
mCompositionTarget(nullptr),
mVisual(nullptr)
{
}
NativeWindow11Win32::~NativeWindow11Win32()
{
SafeRelease(mCompositionTarget);
SafeRelease(mDevice);
SafeRelease(mVisual);
}
bool NativeWindow11Win32::initialize()
{
return true;
}
bool NativeWindow11Win32::getClientRect(LPRECT rect) const
{
return GetClientRect(getNativeWindow(), rect) == TRUE;
}
bool NativeWindow11Win32::isIconic() const
{
return IsIconic(getNativeWindow()) == TRUE;
}
HRESULT NativeWindow11Win32::createSwapChain(ID3D11Device *device,
IDXGIFactory *factory,
DXGI_FORMAT format,
UINT width,
UINT height,
UINT samples,
IDXGISwapChain **swapChain)
{
if (device == nullptr || factory == nullptr || swapChain == nullptr || width == 0 ||
height == 0)
{
return E_INVALIDARG;
}
if (mDirectComposition)
{
HMODULE dcomp = ::GetModuleHandle(TEXT("dcomp.dll"));
if (!dcomp)
{
return E_INVALIDARG;
}
typedef HRESULT(WINAPI * PFN_DCOMPOSITION_CREATE_DEVICE)(
IDXGIDevice * dxgiDevice, REFIID iid, void **dcompositionDevice);
PFN_DCOMPOSITION_CREATE_DEVICE createDComp =
reinterpret_cast<PFN_DCOMPOSITION_CREATE_DEVICE>(
GetProcAddress(dcomp, "DCompositionCreateDevice"));
if (!createDComp)
{
return E_INVALIDARG;
}
if (!mDevice)
{
IDXGIDevice *dxgiDevice = d3d11::DynamicCastComObject<IDXGIDevice>(device);
HRESULT result = createDComp(dxgiDevice, __uuidof(IDCompositionDevice),
reinterpret_cast<void **>(&mDevice));
SafeRelease(dxgiDevice);
if (FAILED(result))
{
return result;
}
}
if (!mCompositionTarget)
{
HRESULT result =
mDevice->CreateTargetForHwnd(getNativeWindow(), TRUE, &mCompositionTarget);
if (FAILED(result))
{
return result;
}
}
if (!mVisual)
{
HRESULT result = mDevice->CreateVisual(&mVisual);
if (FAILED(result))
{
return result;
}
}
IDXGIFactory2 *factory2 = d3d11::DynamicCastComObject<IDXGIFactory2>(factory);
DXGI_SWAP_CHAIN_DESC1 swapChainDesc = {0};
swapChainDesc.Width = width;
swapChainDesc.Height = height;
swapChainDesc.Format = format;
swapChainDesc.Stereo = FALSE;
swapChainDesc.SampleDesc.Count = 1;
swapChainDesc.SampleDesc.Quality = 0;
swapChainDesc.BufferUsage =
DXGI_USAGE_RENDER_TARGET_OUTPUT | DXGI_USAGE_BACK_BUFFER | DXGI_USAGE_SHADER_INPUT;
swapChainDesc.BufferCount = 2;
swapChainDesc.Scaling = DXGI_SCALING_STRETCH;
swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_SEQUENTIAL;
swapChainDesc.AlphaMode =
mHasAlpha ? DXGI_ALPHA_MODE_PREMULTIPLIED : DXGI_ALPHA_MODE_IGNORE;
swapChainDesc.Flags = 0;
IDXGISwapChain1 *swapChain1 = nullptr;
HRESULT result =
factory2->CreateSwapChainForComposition(device, &swapChainDesc, nullptr, &swapChain1);
if (SUCCEEDED(result))
{
*swapChain = static_cast<IDXGISwapChain *>(swapChain1);
}
mVisual->SetContent(swapChain1);
mCompositionTarget->SetRoot(mVisual);
SafeRelease(factory2);
return result;
}
// Use IDXGIFactory2::CreateSwapChainForHwnd if DXGI 1.2 is available to create a
// DXGI_SWAP_EFFECT_SEQUENTIAL swap chain.
IDXGIFactory2 *factory2 = d3d11::DynamicCastComObject<IDXGIFactory2>(factory);
if (factory2 != nullptr)
{
DXGI_SWAP_CHAIN_DESC1 swapChainDesc = {0};
swapChainDesc.Width = width;
swapChainDesc.Height = height;
swapChainDesc.Format = format;
swapChainDesc.Stereo = FALSE;
swapChainDesc.SampleDesc.Count = samples;
swapChainDesc.SampleDesc.Quality = 0;
swapChainDesc.BufferUsage =
DXGI_USAGE_RENDER_TARGET_OUTPUT | DXGI_USAGE_SHADER_INPUT | DXGI_USAGE_BACK_BUFFER;
swapChainDesc.BufferCount = 1;
swapChainDesc.Scaling = DXGI_SCALING_STRETCH;
swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_SEQUENTIAL;
swapChainDesc.AlphaMode = DXGI_ALPHA_MODE_UNSPECIFIED;
swapChainDesc.Flags = 0;
IDXGISwapChain1 *swapChain1 = nullptr;
HRESULT result = factory2->CreateSwapChainForHwnd(device, getNativeWindow(), &swapChainDesc,
nullptr, nullptr, &swapChain1);
if (SUCCEEDED(result))
{
factory2->MakeWindowAssociation(getNativeWindow(), DXGI_MWA_NO_WINDOW_CHANGES);
*swapChain = static_cast<IDXGISwapChain *>(swapChain1);
}
SafeRelease(factory2);
return result;
}
DXGI_SWAP_CHAIN_DESC swapChainDesc = {};
swapChainDesc.BufferCount = 1;
swapChainDesc.BufferDesc.Format = format;
swapChainDesc.BufferDesc.Width = width;
swapChainDesc.BufferDesc.Height = height;
swapChainDesc.BufferDesc.Scaling = DXGI_MODE_SCALING_UNSPECIFIED;
swapChainDesc.BufferDesc.ScanlineOrdering = DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED;
swapChainDesc.BufferDesc.RefreshRate.Numerator = 0;
swapChainDesc.BufferDesc.RefreshRate.Denominator = 1;
swapChainDesc.BufferUsage =
DXGI_USAGE_RENDER_TARGET_OUTPUT | DXGI_USAGE_SHADER_INPUT | DXGI_USAGE_BACK_BUFFER;
swapChainDesc.Flags = 0;
swapChainDesc.OutputWindow = getNativeWindow();
swapChainDesc.SampleDesc.Count = samples;
swapChainDesc.SampleDesc.Quality = 0;
swapChainDesc.Windowed = TRUE;
swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_DISCARD;
HRESULT result = factory->CreateSwapChain(device, &swapChainDesc, swapChain);
if (SUCCEEDED(result))
{
factory->MakeWindowAssociation(getNativeWindow(), DXGI_MWA_NO_WINDOW_CHANGES);
}
return result;
}
void NativeWindow11Win32::commitChange()
{
if (mDevice)
{
mDevice->Commit();
}
}
// static
bool NativeWindow11Win32::IsValidNativeWindow(EGLNativeWindowType window)
{
return IsWindow(window) == TRUE;
}
} // namespace rx
|
