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
|
//
// Copyright (c) 2002-2014 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.
//
// Surface.h: Defines the egl::Surface class, representing a drawing surface
// such as the client area of a window, including any back buffers.
// Implements EGLSurface and related functionality. [EGL 1.4] section 2.2 page 3.
#ifndef LIBANGLE_SURFACE_H_
#define LIBANGLE_SURFACE_H_
#include <EGL/egl.h>
#include "common/angleutils.h"
#include "libANGLE/Error.h"
#include "libANGLE/FramebufferAttachment.h"
#include "libANGLE/RefCountObject.h"
#include "libANGLE/formatutils.h"
#include "libANGLE/renderer/SurfaceImpl.h"
namespace gl
{
class Framebuffer;
class Texture;
}
namespace rx
{
class EGLImplFactory;
}
namespace egl
{
class AttributeMap;
class Display;
struct Config;
struct SurfaceState final : angle::NonCopyable
{
SurfaceState();
gl::Framebuffer *defaultFramebuffer;
};
class Surface : public gl::FramebufferAttachmentObject
{
public:
virtual ~Surface();
rx::SurfaceImpl *getImplementation() const { return mImplementation; }
EGLint getType() const;
Error initialize();
Error swap();
Error swapWithDamage(EGLint *rects, EGLint n_rects);
Error postSubBuffer(EGLint x, EGLint y, EGLint width, EGLint height);
Error querySurfacePointerANGLE(EGLint attribute, void **value);
Error bindTexImage(gl::Texture *texture, EGLint buffer);
Error releaseTexImage(EGLint buffer);
EGLint isPostSubBufferSupported() const;
void setSwapInterval(EGLint interval);
void setIsCurrent(bool isCurrent);
void onDestroy();
const Config *getConfig() const;
// width and height can change with client window resizing
EGLint getWidth() const;
EGLint getHeight() const;
EGLint getPixelAspectRatio() const;
EGLenum getRenderBuffer() const;
EGLenum getSwapBehavior() const;
EGLenum getTextureFormat() const;
EGLenum getTextureTarget() const;
gl::Texture *getBoundTexture() const { return mTexture.get(); }
gl::Framebuffer *getDefaultFramebuffer() { return mState.defaultFramebuffer; }
EGLint isFixedSize() const;
// FramebufferAttachmentObject implementation
gl::Extents getAttachmentSize(const gl::FramebufferAttachment::Target &target) const override;
const gl::Format &getAttachmentFormat(
const gl::FramebufferAttachment::Target &target) const override;
GLsizei getAttachmentSamples(const gl::FramebufferAttachment::Target &target) const override;
void onAttach() override {}
void onDetach() override {}
GLuint getId() const override;
bool flexibleSurfaceCompatibilityRequested() const
{
return mFlexibleSurfaceCompatibilityRequested;
}
EGLint getOrientation() const { return mOrientation; }
bool directComposition() const { return mDirectComposition; }
protected:
Surface(EGLint surfaceType, const egl::Config *config, const AttributeMap &attributes);
rx::FramebufferAttachmentObjectImpl *getAttachmentImpl() const override { return mImplementation; }
gl::Framebuffer *createDefaultFramebuffer();
// ANGLE-only method, used internally
friend class gl::Texture;
void releaseTexImageFromTexture();
SurfaceState mState;
rx::SurfaceImpl *mImplementation;
int mCurrentCount;
bool mDestroyed;
EGLint mType;
const egl::Config *mConfig;
bool mPostSubBufferRequested;
bool mFlexibleSurfaceCompatibilityRequested;
bool mFixedSize;
size_t mFixedWidth;
size_t mFixedHeight;
bool mDirectComposition;
EGLenum mTextureFormat;
EGLenum mTextureTarget;
EGLint mPixelAspectRatio; // Display aspect ratio
EGLenum mRenderBuffer; // Render buffer
EGLenum mSwapBehavior; // Buffer swap behavior
EGLint mOrientation;
BindingPointer<gl::Texture> mTexture;
gl::Format mBackFormat;
gl::Format mDSFormat;
};
class WindowSurface final : public Surface
{
public:
WindowSurface(rx::EGLImplFactory *implFactory,
const Config *config,
EGLNativeWindowType window,
const AttributeMap &attribs);
~WindowSurface() override;
};
class PbufferSurface final : public Surface
{
public:
PbufferSurface(rx::EGLImplFactory *implFactory,
const Config *config,
const AttributeMap &attribs);
PbufferSurface(rx::EGLImplFactory *implFactory,
const Config *config,
EGLenum buftype,
EGLClientBuffer clientBuffer,
const AttributeMap &attribs);
~PbufferSurface() override;
};
class PixmapSurface final : public Surface
{
public:
PixmapSurface(rx::EGLImplFactory *implFactory,
const Config *config,
NativePixmapType nativePixmap,
const AttributeMap &attribs);
~PixmapSurface() override;
};
} // namespace egl
#endif // LIBANGLE_SURFACE_H_
|
