blob: bdc325a7f33c4a2a15950e5754ff6a23b000d9da (
plain)
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
|
#ifndef EGLIMAGE_INCLUDED
#define EGLIMAGE_INCLUDED
#include "egltypedefs.h"
#include "egldisplay.h"
struct _egl_image_attribs
{
/* EGL_KHR_image_base */
EGLBoolean ImagePreserved;
/* EGL_KHR_gl_image */
EGLint GLTextureLevel;
EGLint GLTextureZOffset;
/* EGL_MESA_drm_image */
EGLint Width;
EGLint Height;
EGLint DRMBufferFormatMESA;
EGLint DRMBufferUseMESA;
EGLint DRMBufferStrideMESA;
};
/**
* "Base" class for device driver images.
*/
struct _egl_image
{
/* An image is a display resource */
_EGLResource Resource;
};
PUBLIC EGLint
_eglParseImageAttribList(_EGLImageAttribs *attrs, _EGLDisplay *dpy,
const EGLint *attrib_list);
PUBLIC EGLBoolean
_eglInitImage(_EGLImage *img, _EGLDisplay *dpy);
/**
* Increment reference count for the image.
*/
static INLINE _EGLImage *
_eglGetImage(_EGLImage *img)
{
if (img)
_eglGetResource(&img->Resource);
return img;
}
/**
* Decrement reference count for the image.
*/
static INLINE EGLBoolean
_eglPutImage(_EGLImage *img)
{
return (img) ? _eglPutResource(&img->Resource) : EGL_FALSE;
}
/**
* Link an image to its display and return the handle of the link.
* The handle can be passed to client directly.
*/
static INLINE EGLImageKHR
_eglLinkImage(_EGLImage *img)
{
_eglLinkResource(&img->Resource, _EGL_RESOURCE_IMAGE);
return (EGLImageKHR) img;
}
/**
* Unlink a linked image from its display.
* Accessing an unlinked image should generate EGL_BAD_PARAMETER error.
*/
static INLINE void
_eglUnlinkImage(_EGLImage *img)
{
_eglUnlinkResource(&img->Resource, _EGL_RESOURCE_IMAGE);
}
/**
* Lookup a handle to find the linked image.
* Return NULL if the handle has no corresponding linked image.
*/
static INLINE _EGLImage *
_eglLookupImage(EGLImageKHR image, _EGLDisplay *dpy)
{
_EGLImage *img = (_EGLImage *) image;
if (!dpy || !_eglCheckResource((void *) img, _EGL_RESOURCE_IMAGE, dpy))
img = NULL;
return img;
}
/**
* Return the handle of a linked image, or EGL_NO_IMAGE_KHR.
*/
static INLINE EGLImageKHR
_eglGetImageHandle(_EGLImage *img)
{
_EGLResource *res = (_EGLResource *) img;
return (res && _eglIsResourceLinked(res)) ?
(EGLImageKHR) img : EGL_NO_IMAGE_KHR;
}
/**
* Return true if the image is linked to a display.
*/
static INLINE EGLBoolean
_eglIsImageLinked(_EGLImage *img)
{
_EGLResource *res = (_EGLResource *) img;
return (res && _eglIsResourceLinked(res));
}
#endif /* EGLIMAGE_INCLUDED */
|
