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
|
/*
* Copyright (C) 2010 Apple Inc. All rights reserved.
* Copyright (C) 2010 Google Inc. All rights reserved.
* Copyright (C) 2011 Igalia S.L.
* Copyright (C) 2020 Sony Interactive Entertainment Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "GraphicsContextGLTextureMapper.h"
#if ENABLE(WEBGL) && USE(TEXTURE_MAPPER) && !USE(ANGLE)
#include "PixelBuffer.h"
#include "TextureMapperGCGLPlatformLayer.h"
#include <wtf/Deque.h>
#include <wtf/NeverDestroyed.h>
#if USE(LIBEPOXY)
#include <epoxy/gl.h>
#elif !USE(OPENGL_ES)
#include "GLContext.h"
#include "OpenGLShims.h"
#endif
#include <ANGLE/ShaderLang.h>
#if USE(NICOSIA)
#include "NicosiaGCGLLayer.h"
#include "PlatformLayerDisplayDelegate.h"
#endif
#if ENABLE(MEDIA_STREAM)
#include "VideoFrame.h"
#endif
#if USE(GSTREAMER) && ENABLE(MEDIA_STREAM)
#include "VideoFrameGStreamer.h"
#endif
#if ENABLE(VIDEO)
#include "MediaPlayerPrivate.h"
#endif
namespace WebCore {
RefPtr<GraphicsContextGL> createWebProcessGraphicsContextGL(const GraphicsContextGLAttributes& attributes)
{
static bool initialized = false;
static bool success = true;
if (!initialized) {
#if !USE(OPENGL_ES) && !USE(LIBEPOXY)
success = initializeOpenGLShims();
#endif
initialized = true;
}
if (!success)
return nullptr;
// Create the GraphicsContextGLOpenGL object first in order to establist a current context on this thread.
auto context = GraphicsContextGLTextureMapper::create(GraphicsContextGLAttributes { attributes });
if (!context)
return nullptr;
#if USE(LIBEPOXY) && USE(OPENGL_ES) && ENABLE(WEBGL2)
// Bail if GLES3 was requested but cannot be provided.
if (attributes.webGLVersion == GraphicsContextGLWebGLVersion::WebGL2 && !epoxy_is_desktop_gl() && epoxy_gl_version() < 30)
return nullptr;
#endif
return context;
}
RefPtr<GraphicsContextGLTextureMapper> GraphicsContextGLTextureMapper::create(GraphicsContextGLAttributes&& attributes)
{
auto context = adoptRef(*new GraphicsContextGLTextureMapper(WTFMove(attributes)));
if (!context->initialize())
return nullptr;
return context;
}
GraphicsContextGLTextureMapper::GraphicsContextGLTextureMapper(GraphicsContextGLAttributes&& attributes)
: GraphicsContextGLOpenGL(WTFMove(attributes))
{
}
GraphicsContextGLTextureMapper::~GraphicsContextGLTextureMapper() = default;
RefPtr<GraphicsLayerContentsDisplayDelegate> GraphicsContextGLTextureMapper::layerContentsDisplayDelegate()
{
return m_layerContentsDisplayDelegate;
}
#if ENABLE(VIDEO)
bool GraphicsContextGLTextureMapper::copyTextureFromMedia(MediaPlayer& player, PlatformGLObject outputTexture, GCGLenum outputTarget, GCGLint level, GCGLenum internalFormat, GCGLenum format, GCGLenum type, bool premultiplyAlpha, bool flipY)
{
return player.copyVideoTextureToPlatformTexture(this, outputTexture, outputTarget, level, internalFormat, format, type, premultiplyAlpha, flipY);
}
#endif
#if ENABLE(MEDIA_STREAM)
RefPtr<VideoFrame> GraphicsContextGLTextureMapper::paintCompositedResultsToVideoFrame()
{
#if USE(GSTREAMER)
// FIXME: Hardcoding 30fps here is not great. Ideally we should get this from the compositor refresh rate, somehow.
if (auto pixelBuffer = readCompositedResults())
return VideoFrameGStreamer::createFromPixelBuffer(pixelBuffer.releaseNonNull(), VideoFrameGStreamer::CanvasContentType::WebGL, VideoFrameGStreamer::Rotation::UpsideDown, MediaTime::invalidTime(), { }, 30, true, { });
#endif
return nullptr;
}
#endif
bool GraphicsContextGLTextureMapper::platformInitialize()
{
m_layerContentsDisplayDelegate = PlatformLayerDisplayDelegate::create(&m_nicosiaLayer->contentLayer());
return true;
}
} // namespace WebCore
#endif // ENABLE(WEBGL) && USE(TEXTURE_MAPPER) && !USE(ANGLE)
|
