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
|
/*
* Copyright (C) 2021 Apple Inc. All rights reserved.
*
* 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.
*/
#pragma once
#if ENABLE(WEBGL) && USE(TEXTURE_MAPPER)
#include "GLContextWrapper.h"
#include "GraphicsContextGLANGLE.h"
#if USE(NICOSIA)
namespace Nicosia {
class GCGLANGLELayer;
}
#endif
namespace WebCore {
#if PLATFORM(GTK) || PLATFORM(WPE)
class GLFence;
#endif
class TextureMapperGCGLPlatformLayer;
class WEBCORE_EXPORT GraphicsContextGLTextureMapperANGLE : public GLContextWrapper, public GraphicsContextGLANGLE {
public:
static RefPtr<GraphicsContextGLTextureMapperANGLE> create(WebCore::GraphicsContextGLAttributes&&);
virtual ~GraphicsContextGLTextureMapperANGLE();
// GraphicsContextGLANGLE overrides.
RefPtr<GraphicsLayerContentsDisplayDelegate> layerContentsDisplayDelegate() final;
#if ENABLE(VIDEO)
bool copyTextureFromMedia(MediaPlayer&, PlatformGLObject texture, GCGLenum target, GCGLint level, GCGLenum internalFormat, GCGLenum format, GCGLenum type, bool premultiplyAlpha, bool flipY) final;
#endif
#if ENABLE(MEDIA_STREAM) || ENABLE(WEB_CODECS)
RefPtr<VideoFrame> surfaceBufferToVideoFrame(SurfaceBuffer) final;
#endif
RefPtr<PixelBuffer> readCompositedResults() final;
bool reshapeDrawingBuffer() final;
void prepareForDisplay() final;
#if ENABLE(WEBXR)
bool addFoveation(IntSize, IntSize, IntSize, std::span<const GCGLfloat>, std::span<const GCGLfloat>, std::span<const GCGLfloat>) final;
void enableFoveation(GCGLuint) final;
void disableFoveation() final;
#endif
private:
GraphicsContextGLTextureMapperANGLE(WebCore::GraphicsContextGLAttributes&&);
bool platformInitializeContext() final;
bool platformInitialize() final;
void swapCompositorTexture();
#if USE(NICOSIA)
GCGLuint setupCurrentTexture();
#endif
// GLContextWrapper
GLContextWrapper::Type type() const override;
bool makeCurrentImpl() override;
bool unmakeCurrentImpl() override;
RefPtr<GraphicsLayerContentsDisplayDelegate> m_layerContentsDisplayDelegate;
GCGLuint m_compositorTexture { 0 };
bool m_isCompositorTextureInitialized { false };
#if PLATFORM(GTK) || PLATFORM(WPE)
std::unique_ptr<GLFence> m_frameFence;
#endif
#if USE(NICOSIA)
GCGLuint m_textureID { 0 };
GCGLuint m_compositorTextureID { 0 };
std::unique_ptr<Nicosia::GCGLANGLELayer> m_nicosiaLayer;
friend class Nicosia::GCGLANGLELayer;
#else
std::unique_ptr<TextureMapperGCGLPlatformLayer> m_texmapLayer;
friend class TextureMapperGCGLPlatformLayer;
#endif
};
} // namespace WebCore
#endif // ENABLE(WEBGL) && USE(TEXTURE_MAPPER)
|
