1 /**************************************************************************
3 * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
30 * Small/misc EGL functions
36 #include "eglcurrent.h"
38 #include "egldisplay.h"
39 #include "egldriver.h"
40 #include "eglstring.h"
44 * Copy the extension into the string and update the string pointer.
47 _eglAppendExtension(char **str
, const char *ext
)
50 size_t len
= strlen(ext
);
68 * Examine the individual extension enable/disable flags and recompute
69 * the driver's Extensions string.
72 _eglUpdateExtensionsString(_EGLDisplay
*dpy
)
74 #define _EGL_CHECK_EXTENSION(ext) \
76 if (dpy->Extensions.ext) { \
77 _eglAppendExtension(&exts, "EGL_" #ext); \
78 assert(exts <= dpy->ExtensionsString + _EGL_MAX_EXTENSIONS_LEN); \
82 char *exts
= dpy
->ExtensionsString
;
87 _EGL_CHECK_EXTENSION(MESA_screen_surface
);
88 _EGL_CHECK_EXTENSION(MESA_copy_context
);
89 _EGL_CHECK_EXTENSION(MESA_drm_display
);
90 _EGL_CHECK_EXTENSION(MESA_drm_image
);
92 _EGL_CHECK_EXTENSION(WL_bind_wayland_display
);
94 _EGL_CHECK_EXTENSION(KHR_image_base
);
95 _EGL_CHECK_EXTENSION(KHR_image_pixmap
);
96 if (dpy
->Extensions
.KHR_image_base
&& dpy
->Extensions
.KHR_image_pixmap
)
97 _eglAppendExtension(&exts
, "EGL_KHR_image");
99 _EGL_CHECK_EXTENSION(KHR_vg_parent_image
);
100 _EGL_CHECK_EXTENSION(KHR_gl_texture_2D_image
);
101 _EGL_CHECK_EXTENSION(KHR_gl_texture_cubemap_image
);
102 _EGL_CHECK_EXTENSION(KHR_gl_texture_3D_image
);
103 _EGL_CHECK_EXTENSION(KHR_gl_renderbuffer_image
);
105 _EGL_CHECK_EXTENSION(KHR_reusable_sync
);
106 _EGL_CHECK_EXTENSION(KHR_fence_sync
);
108 _EGL_CHECK_EXTENSION(KHR_surfaceless_gles1
);
109 _EGL_CHECK_EXTENSION(KHR_surfaceless_gles2
);
110 _EGL_CHECK_EXTENSION(KHR_surfaceless_opengl
);
112 _EGL_CHECK_EXTENSION(NOK_swap_region
);
113 _EGL_CHECK_EXTENSION(NOK_texture_from_pixmap
);
114 #undef _EGL_CHECK_EXTENSION
119 _eglUpdateAPIsString(_EGLDisplay
*dpy
)
121 char *apis
= dpy
->ClientAPIsString
;
123 if (apis
[0] || !dpy
->ClientAPIs
)
126 if (dpy
->ClientAPIs
& EGL_OPENGL_BIT
)
127 strcat(apis
, "OpenGL ");
129 if (dpy
->ClientAPIs
& EGL_OPENGL_ES_BIT
)
130 strcat(apis
, "OpenGL_ES ");
132 if (dpy
->ClientAPIs
& EGL_OPENGL_ES2_BIT
)
133 strcat(apis
, "OpenGL_ES2 ");
135 if (dpy
->ClientAPIs
& EGL_OPENVG_BIT
)
136 strcat(apis
, "OpenVG ");
138 assert(strlen(apis
) < sizeof(dpy
->ClientAPIsString
));
143 _eglQueryString(_EGLDriver
*drv
, _EGLDisplay
*dpy
, EGLint name
)
149 return _EGL_VENDOR_STRING
;
151 _eglsnprintf(dpy
->VersionString
, sizeof(dpy
->VersionString
),
152 "%d.%d (%s)", dpy
->VersionMajor
, dpy
->VersionMinor
,
154 return dpy
->VersionString
;
156 _eglUpdateExtensionsString(dpy
);
157 return dpy
->ExtensionsString
;
158 case EGL_CLIENT_APIS
:
159 _eglUpdateAPIsString(dpy
);
160 return dpy
->ClientAPIsString
;
162 _eglError(EGL_BAD_PARAMETER
, "eglQueryString");