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
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
|
//
// 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/AttributeMap.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 Display;
struct Config;
struct SurfaceState final : private angle::NonCopyable
{
SurfaceState(const egl::Config *configIn, const AttributeMap &attributesIn);
gl::Framebuffer *defaultFramebuffer;
const egl::Config *config;
AttributeMap attributes;
};
class Surface : public gl::FramebufferAttachmentObject
{
public:
rx::SurfaceImpl *getImplementation() const { return mImplementation; }
EGLint getType() const;
Error initialize(const Display *display);
Error swap(const gl::Context *context);
Error swapWithDamage(const gl::Context *context, EGLint *rects, EGLint n_rects);
Error postSubBuffer(const gl::Context *context,
EGLint x,
EGLint y,
EGLint width,
EGLint height);
Error querySurfacePointerANGLE(EGLint attribute, void **value);
Error bindTexImage(const gl::Context *context, gl::Texture *texture, EGLint buffer);
Error releaseTexImage(const gl::Context *context, EGLint buffer);
Error getSyncValues(EGLuint64KHR *ust, EGLuint64KHR *msc, EGLuint64KHR *sbc);
EGLint isPostSubBufferSupported() const;
void setSwapInterval(EGLint interval);
Error setIsCurrent(const gl::Context *context, bool isCurrent);
Error onDestroy(const Display *display);
void setMipmapLevel(EGLint level);
void setMultisampleResolve(EGLenum resolve);
void setSwapBehavior(EGLenum behavior);
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;
bool getLargestPbuffer() const;
EGLenum getGLColorspace() const;
EGLenum getVGAlphaFormat() const;
EGLenum getVGColorspace() const;
bool getMipmapTexture() const;
EGLint getMipmapLevel() const;
EGLint getHorizontalResolution() const;
EGLint getVerticalResolution() const;
EGLenum getMultisampleResolve() const;
gl::Texture *getBoundTexture() const { return mTexture.get(); }
gl::Framebuffer *getDefaultFramebuffer() { return mState.defaultFramebuffer; }
EGLint isFixedSize() const;
// FramebufferAttachmentObject implementation
gl::Extents getAttachmentSize(const gl::ImageIndex &imageIndex) const override;
const gl::Format &getAttachmentFormat(GLenum binding,
const gl::ImageIndex &imageIndex) const override;
GLsizei getAttachmentSamples(const gl::ImageIndex &imageIndex) const override;
void onAttach(const gl::Context *context) override {}
void onDetach(const gl::Context *context) override {}
GLuint getId() const override;
bool flexibleSurfaceCompatibilityRequested() const
{
return mFlexibleSurfaceCompatibilityRequested;
}
EGLint getOrientation() const { return mOrientation; }
bool directComposition() const { return mDirectComposition; }
gl::InitState initState(const gl::ImageIndex &imageIndex) const override;
void setInitState(const gl::ImageIndex &imageIndex, gl::InitState initState) override;
bool isRobustResourceInitEnabled() const { return mRobustResourceInitialization; }
protected:
Surface(EGLint surfaceType, const egl::Config *config, const AttributeMap &attributes);
~Surface() override;
rx::FramebufferAttachmentObjectImpl *getAttachmentImpl() const override;
gl::Framebuffer *createDefaultFramebuffer(const Display *display);
// ANGLE-only method, used internally
friend class gl::Texture;
void releaseTexImageFromTexture(const gl::Context *context);
SurfaceState mState;
rx::SurfaceImpl *mImplementation;
int mCurrentCount;
bool mDestroyed;
EGLint mType;
bool mPostSubBufferRequested;
bool mFlexibleSurfaceCompatibilityRequested;
bool mLargestPbuffer;
EGLenum mGLColorspace;
EGLenum mVGAlphaFormat;
EGLenum mVGColorspace;
bool mMipmapTexture;
EGLint mMipmapLevel;
EGLint mHorizontalResolution;
EGLint mVerticalResolution;
EGLenum mMultisampleResolve;
bool mFixedSize;
size_t mFixedWidth;
size_t mFixedHeight;
bool mDirectComposition;
bool mRobustResourceInitialization;
EGLenum mTextureFormat;
EGLenum mTextureTarget;
EGLint mPixelAspectRatio; // Display aspect ratio
EGLenum mRenderBuffer; // Render buffer
EGLenum mSwapBehavior; // Buffer swap behavior
EGLint mOrientation;
gl::BindingPointer<gl::Texture> mTexture;
gl::Format mBackFormat;
gl::Format mDSFormat;
private:
Error destroyImpl(const Display *display);
};
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);
protected:
~PbufferSurface() override;
};
class PixmapSurface final : public Surface
{
public:
PixmapSurface(rx::EGLImplFactory *implFactory,
const Config *config,
NativePixmapType nativePixmap,
const AttributeMap &attribs);
protected:
~PixmapSurface() override;
};
class SurfaceDeleter final
{
public:
SurfaceDeleter(const Display *display);
~SurfaceDeleter();
void operator()(Surface *surface);
private:
const Display *mDisplay;
};
using SurfacePointer = angle::UniqueObjectPointerBase<Surface, SurfaceDeleter>;
} // namespace egl
#endif // LIBANGLE_SURFACE_H_
|
