Go to most recent revision | Details | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
5564 | serge | 1 | /************************************************************************** |
2 | * |
||
3 | * Copyright 2009-2010 Chia-I Wu |
||
4 | * Copyright 2010-2011 LunarG, Inc. |
||
5 | * All Rights Reserved. |
||
6 | * |
||
7 | * Permission is hereby granted, free of charge, to any person obtaining a |
||
8 | * copy of this software and associated documentation files (the |
||
9 | * "Software"), to deal in the Software without restriction, including |
||
10 | * without limitation the rights to use, copy, modify, merge, publish, |
||
11 | * distribute, sub license, and/or sell copies of the Software, and to |
||
12 | * permit persons to whom the Software is furnished to do so, subject to |
||
13 | * the following conditions: |
||
14 | * |
||
15 | * The above copyright notice and this permission notice (including the |
||
16 | * next paragraph) shall be included in all copies or substantial portions |
||
17 | * of the Software. |
||
18 | * |
||
19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
||
20 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
||
21 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
||
22 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
||
23 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
||
24 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
||
25 | * DEALINGS IN THE SOFTWARE. |
||
26 | * |
||
27 | **************************************************************************/ |
||
28 | |||
29 | |||
30 | #ifndef EGLIMAGE_INCLUDED |
||
31 | #define EGLIMAGE_INCLUDED |
||
32 | |||
33 | #include "c99_compat.h" |
||
34 | |||
35 | #include "egltypedefs.h" |
||
36 | #include "egldisplay.h" |
||
37 | |||
38 | |||
39 | #ifdef __cplusplus |
||
40 | extern "C" { |
||
41 | #endif |
||
42 | |||
43 | struct _egl_image_attrib_int |
||
44 | { |
||
45 | EGLint Value; |
||
46 | EGLBoolean IsPresent; |
||
47 | }; |
||
48 | |||
49 | struct _egl_image_attribs |
||
50 | { |
||
51 | /* EGL_KHR_image_base */ |
||
52 | EGLBoolean ImagePreserved; |
||
53 | |||
54 | /* EGL_KHR_gl_image */ |
||
55 | EGLint GLTextureLevel; |
||
56 | EGLint GLTextureZOffset; |
||
57 | |||
58 | /* EGL_MESA_drm_image */ |
||
59 | EGLint Width; |
||
60 | EGLint Height; |
||
61 | EGLint DRMBufferFormatMESA; |
||
62 | EGLint DRMBufferUseMESA; |
||
63 | EGLint DRMBufferStrideMESA; |
||
64 | |||
65 | /* EGL_WL_bind_wayland_display */ |
||
66 | EGLint PlaneWL; |
||
67 | |||
68 | /* EGL_EXT_image_dma_buf_import */ |
||
69 | struct _egl_image_attrib_int DMABufFourCC; |
||
70 | struct _egl_image_attrib_int DMABufPlaneFds[3]; |
||
71 | struct _egl_image_attrib_int DMABufPlaneOffsets[3]; |
||
72 | struct _egl_image_attrib_int DMABufPlanePitches[3]; |
||
73 | struct _egl_image_attrib_int DMABufYuvColorSpaceHint; |
||
74 | struct _egl_image_attrib_int DMABufSampleRangeHint; |
||
75 | struct _egl_image_attrib_int DMABufChromaHorizontalSiting; |
||
76 | struct _egl_image_attrib_int DMABufChromaVerticalSiting; |
||
77 | }; |
||
78 | |||
79 | /** |
||
80 | * "Base" class for device driver images. |
||
81 | */ |
||
82 | struct _egl_image |
||
83 | { |
||
84 | /* An image is a display resource */ |
||
85 | _EGLResource Resource; |
||
86 | }; |
||
87 | |||
88 | |||
89 | extern EGLint |
||
90 | _eglParseImageAttribList(_EGLImageAttribs *attrs, _EGLDisplay *dpy, |
||
91 | const EGLint *attrib_list); |
||
92 | |||
93 | |||
94 | extern EGLBoolean |
||
95 | _eglInitImage(_EGLImage *img, _EGLDisplay *dpy); |
||
96 | |||
97 | |||
98 | /** |
||
99 | * Increment reference count for the image. |
||
100 | */ |
||
101 | static inline _EGLImage * |
||
102 | _eglGetImage(_EGLImage *img) |
||
103 | { |
||
104 | if (img) |
||
105 | _eglGetResource(&img->Resource); |
||
106 | return img; |
||
107 | } |
||
108 | |||
109 | |||
110 | /** |
||
111 | * Decrement reference count for the image. |
||
112 | */ |
||
113 | static inline EGLBoolean |
||
114 | _eglPutImage(_EGLImage *img) |
||
115 | { |
||
116 | return (img) ? _eglPutResource(&img->Resource) : EGL_FALSE; |
||
117 | } |
||
118 | |||
119 | |||
120 | /** |
||
121 | * Link an image to its display and return the handle of the link. |
||
122 | * The handle can be passed to client directly. |
||
123 | */ |
||
124 | static inline EGLImageKHR |
||
125 | _eglLinkImage(_EGLImage *img) |
||
126 | { |
||
127 | _eglLinkResource(&img->Resource, _EGL_RESOURCE_IMAGE); |
||
128 | return (EGLImageKHR) img; |
||
129 | } |
||
130 | |||
131 | |||
132 | /** |
||
133 | * Unlink a linked image from its display. |
||
134 | * Accessing an unlinked image should generate EGL_BAD_PARAMETER error. |
||
135 | */ |
||
136 | static inline void |
||
137 | _eglUnlinkImage(_EGLImage *img) |
||
138 | { |
||
139 | _eglUnlinkResource(&img->Resource, _EGL_RESOURCE_IMAGE); |
||
140 | } |
||
141 | |||
142 | |||
143 | /** |
||
144 | * Lookup a handle to find the linked image. |
||
145 | * Return NULL if the handle has no corresponding linked image. |
||
146 | */ |
||
147 | static inline _EGLImage * |
||
148 | _eglLookupImage(EGLImageKHR image, _EGLDisplay *dpy) |
||
149 | { |
||
150 | _EGLImage *img = (_EGLImage *) image; |
||
151 | if (!dpy || !_eglCheckResource((void *) img, _EGL_RESOURCE_IMAGE, dpy)) |
||
152 | img = NULL; |
||
153 | return img; |
||
154 | } |
||
155 | |||
156 | |||
157 | /** |
||
158 | * Return the handle of a linked image, or EGL_NO_IMAGE_KHR. |
||
159 | */ |
||
160 | static inline EGLImageKHR |
||
161 | _eglGetImageHandle(_EGLImage *img) |
||
162 | { |
||
163 | _EGLResource *res = (_EGLResource *) img; |
||
164 | return (res && _eglIsResourceLinked(res)) ? |
||
165 | (EGLImageKHR) img : EGL_NO_IMAGE_KHR; |
||
166 | } |
||
167 | |||
168 | |||
169 | #ifdef __cplusplus |
||
170 | } |
||
171 | #endif |
||
172 | |||
173 | #endif /* EGLIMAGE_INCLUDED */ |