2 * Copyright © 2010 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
19 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
20 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
25 * Kristian Høgsberg <krh@bitplanet.net>
38 #include <GL/internal/dri_interface.h>
41 #include <xcb/xfixes.h>
42 #include <X11/Xlib-xcb.h>
44 #include <glapi/glapi.h>
45 #include "eglconfig.h"
46 #include "eglcontext.h"
47 #include "egldisplay.h"
48 #include "egldriver.h"
49 #include "eglcurrent.h"
51 #include "eglsurface.h"
54 struct dri2_egl_driver
58 void (*glFlush
)(void);
61 struct dri2_egl_display
63 xcb_connection_t
*conn
;
66 __DRIscreen
*dri_screen
;
67 const __DRIconfig
**driver_configs
;
69 __DRIcoreExtension
*core
;
70 __DRIdri2Extension
*dri2
;
71 __DRI2flushExtension
*flush
;
72 __DRItexBufferExtension
*tex_buffer
;
73 __DRIimageExtension
*image
;
79 __DRIdri2LoaderExtension loader_extension
;
80 __DRIimageLookupExtension image_lookup_extension
;
81 const __DRIextension
*extensions
[3];
84 struct dri2_egl_context
87 __DRIcontext
*dri_context
;
90 struct dri2_egl_surface
93 __DRIdrawable
*dri_drawable
;
94 xcb_drawable_t drawable
;
95 __DRIbuffer buffers
[5];
97 xcb_xfixes_region_t region
;
102 struct dri2_egl_config
105 const __DRIconfig
*dri_config
;
108 struct dri2_egl_image
111 __DRIimage
*dri_image
;
114 /* standard typecasts */
115 _EGL_DRIVER_STANDARD_TYPECASTS(dri2_egl
)
116 _EGL_DRIVER_TYPECAST(dri2_egl_image
, _EGLImage
, obj
)
118 EGLint dri2_to_egl_attribute_map
[] = {
120 EGL_BUFFER_SIZE
, /* __DRI_ATTRIB_BUFFER_SIZE */
121 EGL_LEVEL
, /* __DRI_ATTRIB_LEVEL */
122 EGL_RED_SIZE
, /* __DRI_ATTRIB_RED_SIZE */
123 EGL_GREEN_SIZE
, /* __DRI_ATTRIB_GREEN_SIZE */
124 EGL_BLUE_SIZE
, /* __DRI_ATTRIB_BLUE_SIZE */
125 EGL_LUMINANCE_SIZE
, /* __DRI_ATTRIB_LUMINANCE_SIZE */
126 EGL_ALPHA_SIZE
, /* __DRI_ATTRIB_ALPHA_SIZE */
127 0, /* __DRI_ATTRIB_ALPHA_MASK_SIZE */
128 EGL_DEPTH_SIZE
, /* __DRI_ATTRIB_DEPTH_SIZE */
129 EGL_STENCIL_SIZE
, /* __DRI_ATTRIB_STENCIL_SIZE */
130 0, /* __DRI_ATTRIB_ACCUM_RED_SIZE */
131 0, /* __DRI_ATTRIB_ACCUM_GREEN_SIZE */
132 0, /* __DRI_ATTRIB_ACCUM_BLUE_SIZE */
133 0, /* __DRI_ATTRIB_ACCUM_ALPHA_SIZE */
134 EGL_SAMPLE_BUFFERS
, /* __DRI_ATTRIB_SAMPLE_BUFFERS */
135 EGL_SAMPLES
, /* __DRI_ATTRIB_SAMPLES */
136 0, /* __DRI_ATTRIB_RENDER_TYPE, */
137 0, /* __DRI_ATTRIB_CONFIG_CAVEAT */
138 0, /* __DRI_ATTRIB_CONFORMANT */
139 0, /* __DRI_ATTRIB_DOUBLE_BUFFER */
140 0, /* __DRI_ATTRIB_STEREO */
141 0, /* __DRI_ATTRIB_AUX_BUFFERS */
142 0, /* __DRI_ATTRIB_TRANSPARENT_TYPE */
143 0, /* __DRI_ATTRIB_TRANSPARENT_INDEX_VALUE */
144 0, /* __DRI_ATTRIB_TRANSPARENT_RED_VALUE */
145 0, /* __DRI_ATTRIB_TRANSPARENT_GREEN_VALUE */
146 0, /* __DRI_ATTRIB_TRANSPARENT_BLUE_VALUE */
147 0, /* __DRI_ATTRIB_TRANSPARENT_ALPHA_VALUE */
148 0, /* __DRI_ATTRIB_FLOAT_MODE */
149 0, /* __DRI_ATTRIB_RED_MASK */
150 0, /* __DRI_ATTRIB_GREEN_MASK */
151 0, /* __DRI_ATTRIB_BLUE_MASK */
152 0, /* __DRI_ATTRIB_ALPHA_MASK */
153 EGL_MAX_PBUFFER_WIDTH
, /* __DRI_ATTRIB_MAX_PBUFFER_WIDTH */
154 EGL_MAX_PBUFFER_HEIGHT
, /* __DRI_ATTRIB_MAX_PBUFFER_HEIGHT */
155 EGL_MAX_PBUFFER_PIXELS
, /* __DRI_ATTRIB_MAX_PBUFFER_PIXELS */
156 0, /* __DRI_ATTRIB_OPTIMAL_PBUFFER_WIDTH */
157 0, /* __DRI_ATTRIB_OPTIMAL_PBUFFER_HEIGHT */
158 0, /* __DRI_ATTRIB_VISUAL_SELECT_GROUP */
159 0, /* __DRI_ATTRIB_SWAP_METHOD */
160 EGL_MAX_SWAP_INTERVAL
, /* __DRI_ATTRIB_MAX_SWAP_INTERVAL */
161 EGL_MIN_SWAP_INTERVAL
, /* __DRI_ATTRIB_MIN_SWAP_INTERVAL */
162 0, /* __DRI_ATTRIB_BIND_TO_TEXTURE_RGB */
163 0, /* __DRI_ATTRIB_BIND_TO_TEXTURE_RGBA */
164 0, /* __DRI_ATTRIB_BIND_TO_MIPMAP_TEXTURE */
165 0, /* __DRI_ATTRIB_BIND_TO_TEXTURE_TARGETS */
166 0, /* __DRI_ATTRIB_YINVERTED */
170 dri2_add_config(_EGLDisplay
*disp
, const __DRIconfig
*dri_config
, int id
,
171 int depth
, xcb_visualtype_t
*visual
)
173 struct dri2_egl_config
*conf
;
174 struct dri2_egl_display
*dri2_dpy
;
176 unsigned int attrib
, value
, double_buffer
;
177 EGLint key
, bind_to_texture_rgb
, bind_to_texture_rgba
;
180 dri2_dpy
= disp
->DriverData
;
181 _eglInitConfig(&base
, disp
, id
);
184 while (dri2_dpy
->core
->indexConfigAttrib(dri_config
, i
++, &attrib
, &value
)) {
186 case __DRI_ATTRIB_RENDER_TYPE
:
187 if (value
& __DRI_ATTRIB_RGBA_BIT
)
188 value
= EGL_RGB_BUFFER
;
189 else if (value
& __DRI_ATTRIB_LUMINANCE_BIT
)
190 value
= EGL_LUMINANCE_BUFFER
;
193 _eglSetConfigKey(&base
, EGL_COLOR_BUFFER_TYPE
, value
);
196 case __DRI_ATTRIB_CONFIG_CAVEAT
:
197 if (value
& __DRI_ATTRIB_NON_CONFORMANT_CONFIG
)
198 value
= EGL_NON_CONFORMANT_CONFIG
;
199 else if (value
& __DRI_ATTRIB_SLOW_BIT
)
200 value
= EGL_SLOW_CONFIG
;
203 _eglSetConfigKey(&base
, EGL_CONFIG_CAVEAT
, value
);
206 case __DRI_ATTRIB_BIND_TO_TEXTURE_RGB
:
207 bind_to_texture_rgb
= value
;
210 case __DRI_ATTRIB_BIND_TO_TEXTURE_RGBA
:
211 bind_to_texture_rgba
= value
;
214 case __DRI_ATTRIB_DOUBLE_BUFFER
:
215 double_buffer
= value
;
219 key
= dri2_to_egl_attribute_map
[attrib
];
221 _eglSetConfigKey(&base
, key
, value
);
226 /* In EGL, double buffer or not isn't a config attribute. Pixmaps
227 * surfaces are always single buffered, pbuffer surfaces are always
228 * back buffers and windows can be either, selected by passing an
229 * attribute at window surface construction time. To support this
230 * we ignore all double buffer configs and manipulate the buffer we
231 * return in the getBuffer callback to get the behaviour we want. */
236 if (visual
!= NULL
) {
237 if (depth
!= _eglGetConfigKey(&base
, EGL_BUFFER_SIZE
))
240 _eglSetConfigKey(&base
, EGL_SURFACE_TYPE
,
241 EGL_WINDOW_BIT
| EGL_PIXMAP_BIT
| EGL_PBUFFER_BIT
|
242 EGL_SWAP_BEHAVIOR_PRESERVED_BIT
);
244 _eglSetConfigKey(&base
, EGL_NATIVE_VISUAL_ID
, visual
->visual_id
);
245 _eglSetConfigKey(&base
, EGL_NATIVE_VISUAL_TYPE
, visual
->_class
);
247 _eglSetConfigKey(&base
, EGL_SURFACE_TYPE
,
248 EGL_PIXMAP_BIT
| EGL_PBUFFER_BIT
);
251 _eglSetConfigKey(&base
, EGL_NATIVE_RENDERABLE
, EGL_TRUE
);
252 _eglSetConfigKey(&base
, EGL_BIND_TO_TEXTURE_RGB
, bind_to_texture_rgb
);
253 if (_eglGetConfigKey(&base
, EGL_ALPHA_SIZE
) > 0)
254 _eglSetConfigKey(&base
,
255 EGL_BIND_TO_TEXTURE_RGBA
, bind_to_texture_rgba
);
257 _eglSetConfigKey(&base
, EGL_RENDERABLE_TYPE
, disp
->ClientAPIsMask
);
258 _eglSetConfigKey(&base
, EGL_CONFORMANT
, disp
->ClientAPIsMask
);
260 if (!_eglValidateConfig(&base
, EGL_FALSE
)) {
261 _eglLog(_EGL_DEBUG
, "DRI2: failed to validate config %d", id
);
265 conf
= malloc(sizeof *conf
);
267 memcpy(&conf
->base
, &base
, sizeof base
);
268 conf
->dri_config
= dri_config
;
269 _eglAddConfig(disp
, &conf
->base
);
274 * Process list of buffer received from the server
276 * Processes the list of buffers received in a reply from the server to either
277 * \c DRI2GetBuffers or \c DRI2GetBuffersWithFormat.
280 dri2_process_buffers(struct dri2_egl_surface
*dri2_surf
,
281 xcb_dri2_dri2_buffer_t
*buffers
, unsigned count
)
283 struct dri2_egl_display
*dri2_dpy
=
284 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
285 xcb_rectangle_t rectangle
;
288 dri2_surf
->buffer_count
= count
;
289 dri2_surf
->have_fake_front
= 0;
291 /* This assumes the DRI2 buffer attachment tokens matches the
292 * __DRIbuffer tokens. */
293 for (i
= 0; i
< count
; i
++) {
294 dri2_surf
->buffers
[i
].attachment
= buffers
[i
].attachment
;
295 dri2_surf
->buffers
[i
].name
= buffers
[i
].name
;
296 dri2_surf
->buffers
[i
].pitch
= buffers
[i
].pitch
;
297 dri2_surf
->buffers
[i
].cpp
= buffers
[i
].cpp
;
298 dri2_surf
->buffers
[i
].flags
= buffers
[i
].flags
;
300 /* We only use the DRI drivers single buffer configs. This
301 * means that if we try to render to a window, DRI2 will give us
302 * the fake front buffer, which we'll use as a back buffer.
303 * Note that EGL doesn't require that several clients rendering
304 * to the same window must see the same aux buffers. */
305 if (dri2_surf
->buffers
[i
].attachment
== __DRI_BUFFER_FAKE_FRONT_LEFT
)
306 dri2_surf
->have_fake_front
= 1;
309 if (dri2_surf
->region
!= XCB_NONE
)
310 xcb_xfixes_destroy_region(dri2_dpy
->conn
, dri2_surf
->region
);
314 rectangle
.width
= dri2_surf
->base
.Width
;
315 rectangle
.height
= dri2_surf
->base
.Height
;
316 dri2_surf
->region
= xcb_generate_id(dri2_dpy
->conn
);
317 xcb_xfixes_create_region(dri2_dpy
->conn
, dri2_surf
->region
, 1, &rectangle
);
321 dri2_get_buffers(__DRIdrawable
* driDrawable
,
322 int *width
, int *height
,
323 unsigned int *attachments
, int count
,
324 int *out_count
, void *loaderPrivate
)
326 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
327 struct dri2_egl_display
*dri2_dpy
=
328 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
329 xcb_dri2_dri2_buffer_t
*buffers
;
330 xcb_dri2_get_buffers_reply_t
*reply
;
331 xcb_dri2_get_buffers_cookie_t cookie
;
333 cookie
= xcb_dri2_get_buffers_unchecked (dri2_dpy
->conn
,
335 count
, count
, attachments
);
336 reply
= xcb_dri2_get_buffers_reply (dri2_dpy
->conn
, cookie
, NULL
);
337 buffers
= xcb_dri2_get_buffers_buffers (reply
);
341 *out_count
= reply
->count
;
342 dri2_surf
->base
.Width
= *width
= reply
->width
;
343 dri2_surf
->base
.Height
= *height
= reply
->height
;
344 dri2_process_buffers(dri2_surf
, buffers
, *out_count
);
348 return dri2_surf
->buffers
;
352 dri2_flush_front_buffer(__DRIdrawable
* driDrawable
, void *loaderPrivate
)
354 /* FIXME: Does EGL support front buffer rendering at all? */
357 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
359 dri2WaitGL(dri2_surf
);
364 dri2_lookup_egl_image(__DRIcontext
*context
, void *image
, void *data
)
366 struct dri2_egl_context
*dri2_ctx
= data
;
367 _EGLDisplay
*disp
= dri2_ctx
->base
.Resource
.Display
;
368 struct dri2_egl_image
*dri2_img
;
371 img
= _eglLookupImage(image
, disp
);
373 _eglError(EGL_BAD_PARAMETER
, "dri2_lookup_egl_image");
377 dri2_img
= dri2_egl_image(image
);
379 return dri2_img
->dri_image
;
383 dri2_get_buffers_with_format(__DRIdrawable
* driDrawable
,
384 int *width
, int *height
,
385 unsigned int *attachments
, int count
,
386 int *out_count
, void *loaderPrivate
)
388 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
389 struct dri2_egl_display
*dri2_dpy
=
390 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
391 xcb_dri2_dri2_buffer_t
*buffers
;
392 xcb_dri2_get_buffers_with_format_reply_t
*reply
;
393 xcb_dri2_get_buffers_with_format_cookie_t cookie
;
394 xcb_dri2_attach_format_t
*format_attachments
;
396 format_attachments
= (xcb_dri2_attach_format_t
*) attachments
;
397 cookie
= xcb_dri2_get_buffers_with_format_unchecked (dri2_dpy
->conn
,
402 reply
= xcb_dri2_get_buffers_with_format_reply (dri2_dpy
->conn
,
407 buffers
= xcb_dri2_get_buffers_with_format_buffers (reply
);
408 dri2_surf
->base
.Width
= *width
= reply
->width
;
409 dri2_surf
->base
.Height
= *height
= reply
->height
;
410 *out_count
= reply
->count
;
411 dri2_process_buffers(dri2_surf
, buffers
, *out_count
);
415 return dri2_surf
->buffers
;
419 static const char dri_driver_format
[] = "%.*s/tls/%s_dri.so";
421 static const char dri_driver_format
[] = "%.*s/%s_dri.so";
424 static const char dri_driver_path
[] = DEFAULT_DRIVER_DIR
;
426 struct dri2_extension_match
{
432 static struct dri2_extension_match dri2_driver_extensions
[] = {
433 { __DRI_CORE
, 1, offsetof(struct dri2_egl_display
, core
) },
434 { __DRI_DRI2
, 1, offsetof(struct dri2_egl_display
, dri2
) },
438 static struct dri2_extension_match dri2_core_extensions
[] = {
439 { __DRI2_FLUSH
, 1, offsetof(struct dri2_egl_display
, flush
) },
440 { __DRI_TEX_BUFFER
, 2, offsetof(struct dri2_egl_display
, tex_buffer
) },
441 { __DRI_IMAGE
, 1, offsetof(struct dri2_egl_display
, image
) },
446 dri2_bind_extensions(struct dri2_egl_display
*dri2_dpy
,
447 struct dri2_extension_match
*matches
,
448 const __DRIextension
**extensions
)
450 int i
, j
, ret
= EGL_TRUE
;
453 for (i
= 0; extensions
[i
]; i
++) {
454 _eglLog(_EGL_DEBUG
, "DRI2: found extension `%s'", extensions
[i
]->name
);
455 for (j
= 0; matches
[j
].name
; j
++) {
456 if (strcmp(extensions
[i
]->name
, matches
[j
].name
) == 0 &&
457 extensions
[i
]->version
>= matches
[j
].version
) {
458 field
= ((char *) dri2_dpy
+ matches
[j
].offset
);
459 *(const __DRIextension
**) field
= extensions
[i
];
460 _eglLog(_EGL_INFO
, "DRI2: found extension %s version %d",
461 extensions
[i
]->name
, extensions
[i
]->version
);
466 for (j
= 0; matches
[j
].name
; j
++) {
467 field
= ((char *) dri2_dpy
+ matches
[j
].offset
);
468 if (*(const __DRIextension
**) field
== NULL
) {
469 _eglLog(_EGL_FATAL
, "DRI2: did not find extension %s version %d",
470 matches
[j
].name
, matches
[j
].version
);
479 dri2_strndup(const char *s
, int length
)
483 d
= malloc(length
+ 1);
487 memcpy(d
, s
, length
);
494 dri2_connect(struct dri2_egl_display
*dri2_dpy
)
496 xcb_xfixes_query_version_reply_t
*xfixes_query
;
497 xcb_xfixes_query_version_cookie_t xfixes_query_cookie
;
498 xcb_dri2_query_version_reply_t
*dri2_query
;
499 xcb_dri2_query_version_cookie_t dri2_query_cookie
;
500 xcb_dri2_connect_reply_t
*connect
;
501 xcb_dri2_connect_cookie_t connect_cookie
;
502 xcb_generic_error_t
*error
;
503 xcb_screen_iterator_t s
;
505 xcb_prefetch_extension_data (dri2_dpy
->conn
, &xcb_xfixes_id
);
506 xcb_prefetch_extension_data (dri2_dpy
->conn
, &xcb_dri2_id
);
508 xfixes_query_cookie
= xcb_xfixes_query_version(dri2_dpy
->conn
,
509 XCB_XFIXES_MAJOR_VERSION
,
510 XCB_XFIXES_MINOR_VERSION
);
512 dri2_query_cookie
= xcb_dri2_query_version (dri2_dpy
->conn
,
513 XCB_DRI2_MAJOR_VERSION
,
514 XCB_DRI2_MINOR_VERSION
);
516 s
= xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy
->conn
));
517 connect_cookie
= xcb_dri2_connect_unchecked (dri2_dpy
->conn
,
519 XCB_DRI2_DRIVER_TYPE_DRI
);
522 xcb_xfixes_query_version_reply (dri2_dpy
->conn
,
523 xfixes_query_cookie
, &error
);
524 if (xfixes_query
== NULL
||
525 error
!= NULL
|| xfixes_query
->major_version
< 2) {
526 _eglLog(_EGL_FATAL
, "DRI2: failed to query xfixes version");
533 xcb_dri2_query_version_reply (dri2_dpy
->conn
, dri2_query_cookie
, &error
);
534 if (dri2_query
== NULL
|| error
!= NULL
) {
535 _eglLog(_EGL_FATAL
, "DRI2: failed to query version");
539 dri2_dpy
->dri2_major
= dri2_query
->major_version
;
540 dri2_dpy
->dri2_minor
= dri2_query
->minor_version
;
543 connect
= xcb_dri2_connect_reply (dri2_dpy
->conn
, connect_cookie
, NULL
);
544 if (connect
== NULL
||
545 connect
->driver_name_length
+ connect
->device_name_length
== 0) {
546 _eglLog(_EGL_FATAL
, "DRI2: failed to authenticate");
550 dri2_dpy
->device_name
=
551 dri2_strndup(xcb_dri2_connect_device_name (connect
),
552 xcb_dri2_connect_device_name_length (connect
));
554 dri2_dpy
->driver_name
=
555 dri2_strndup(xcb_dri2_connect_driver_name (connect
),
556 xcb_dri2_connect_driver_name_length (connect
));
558 if (dri2_dpy
->device_name
== NULL
|| dri2_dpy
->driver_name
== NULL
) {
559 free(dri2_dpy
->device_name
);
560 free(dri2_dpy
->driver_name
);
570 dri2_authenticate(struct dri2_egl_display
*dri2_dpy
)
572 xcb_dri2_authenticate_reply_t
*authenticate
;
573 xcb_dri2_authenticate_cookie_t authenticate_cookie
;
574 xcb_screen_iterator_t s
;
577 if (drmGetMagic(dri2_dpy
->fd
, &magic
)) {
578 _eglLog(_EGL_FATAL
, "DRI2: failed to get drm magic");
582 s
= xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy
->conn
));
583 authenticate_cookie
=
584 xcb_dri2_authenticate_unchecked(dri2_dpy
->conn
, s
.data
->root
, magic
);
586 xcb_dri2_authenticate_reply(dri2_dpy
->conn
, authenticate_cookie
, NULL
);
587 if (authenticate
== NULL
|| !authenticate
->authenticated
) {
588 _eglLog(_EGL_FATAL
, "DRI2: failed to authenticate");
599 dri2_add_configs_for_visuals(struct dri2_egl_display
*dri2_dpy
,
602 xcb_screen_iterator_t s
;
603 xcb_depth_iterator_t d
;
604 xcb_visualtype_t
*visuals
;
607 s
= xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy
->conn
));
608 d
= xcb_screen_allowed_depths_iterator(s
.data
);
611 EGLBoolean class_added
[6] = { 0, };
613 visuals
= xcb_depth_visuals(d
.data
);
614 for (i
= 0; i
< xcb_depth_visuals_length(d
.data
); i
++) {
615 if (class_added
[visuals
[i
]._class
])
618 class_added
[visuals
[i
]._class
] = EGL_TRUE
;
619 for (j
= 0; dri2_dpy
->driver_configs
[j
]; j
++)
620 dri2_add_config(disp
, dri2_dpy
->driver_configs
[j
],
621 id
++, d
.data
->depth
, &visuals
[i
]);
627 if (!disp
->NumConfigs
) {
628 _eglLog(_EGL_WARNING
, "DRI2: failed to create any config");
636 * Called via eglInitialize(), GLX_drv->API.Initialize().
639 dri2_initialize(_EGLDriver
*drv
, _EGLDisplay
*disp
,
640 EGLint
*major
, EGLint
*minor
)
642 const __DRIextension
**extensions
;
643 struct dri2_egl_display
*dri2_dpy
;
644 char path
[PATH_MAX
], *search_paths
, *p
, *next
, *end
;
645 unsigned int api_mask
;
647 dri2_dpy
= malloc(sizeof *dri2_dpy
);
649 return _eglError(EGL_BAD_ALLOC
, "eglInitialize");
651 disp
->DriverData
= (void *) dri2_dpy
;
652 if (disp
->NativeDisplay
== NULL
) {
653 dri2_dpy
->conn
= xcb_connect(0, 0);
654 if (!dri2_dpy
->conn
) {
655 _eglLog(_EGL_WARNING
, "DRI2: xcb_connect failed");
659 dri2_dpy
->conn
= XGetXCBConnection(disp
->NativeDisplay
);
662 if (dri2_dpy
->conn
== NULL
)
665 if (dri2_dpy
->conn
) {
666 if (!dri2_connect(dri2_dpy
))
671 if (geteuid() == getuid()) {
672 /* don't allow setuid apps to use LIBGL_DRIVERS_PATH */
673 search_paths
= getenv("LIBGL_DRIVERS_PATH");
675 if (search_paths
== NULL
)
676 search_paths
= DEFAULT_DRIVER_DIR
;
678 dri2_dpy
->driver
= NULL
;
679 end
= search_paths
+ strlen(search_paths
);
680 for (p
= search_paths
; p
< end
&& dri2_dpy
->driver
== NULL
; p
= next
+ 1) {
681 next
= strchr(p
, ':');
685 snprintf(path
, sizeof path
,
686 dri_driver_format
, (int) (next
- p
), p
, dri2_dpy
->driver_name
);
687 dri2_dpy
->driver
= dlopen(path
, RTLD_NOW
| RTLD_GLOBAL
);
688 if (dri2_dpy
->driver
== NULL
)
689 _eglLog(_EGL_DEBUG
, "failed to open %s: %s\n", path
, dlerror());
692 if (dri2_dpy
->driver
== NULL
) {
693 _eglLog(_EGL_WARNING
,
694 "DRI2: failed to open any driver (search paths %s)",
699 _eglLog(_EGL_DEBUG
, "DRI2: dlopen(%s)", path
);
700 extensions
= dlsym(dri2_dpy
->driver
, __DRI_DRIVER_EXTENSIONS
);
701 if (extensions
== NULL
) {
702 _eglLog(_EGL_WARNING
,
703 "DRI2: driver exports no extensions (%s)", dlerror());
707 if (!dri2_bind_extensions(dri2_dpy
, dri2_driver_extensions
, extensions
))
710 dri2_dpy
->fd
= open(dri2_dpy
->device_name
, O_RDWR
);
711 if (dri2_dpy
->fd
== -1) {
712 _eglLog(_EGL_WARNING
,
713 "DRI2: could not open %s (%s)", dri2_dpy
->device_name
,
718 if (dri2_dpy
->conn
) {
719 if (!dri2_authenticate(dri2_dpy
))
723 if (dri2_dpy
->dri2_minor
>= 1) {
724 dri2_dpy
->loader_extension
.base
.name
= __DRI_DRI2_LOADER
;
725 dri2_dpy
->loader_extension
.base
.version
= 3;
726 dri2_dpy
->loader_extension
.getBuffers
= dri2_get_buffers
;
727 dri2_dpy
->loader_extension
.flushFrontBuffer
= dri2_flush_front_buffer
;
728 dri2_dpy
->loader_extension
.getBuffersWithFormat
=
729 dri2_get_buffers_with_format
;
731 dri2_dpy
->loader_extension
.base
.name
= __DRI_DRI2_LOADER
;
732 dri2_dpy
->loader_extension
.base
.version
= 2;
733 dri2_dpy
->loader_extension
.getBuffers
= dri2_get_buffers
;
734 dri2_dpy
->loader_extension
.flushFrontBuffer
= dri2_flush_front_buffer
;
735 dri2_dpy
->loader_extension
.getBuffersWithFormat
= NULL
;
738 dri2_dpy
->image_lookup_extension
.base
.name
= __DRI_IMAGE_LOOKUP
;
739 dri2_dpy
->image_lookup_extension
.base
.version
= 1;
740 dri2_dpy
->image_lookup_extension
.lookupEGLImage
= dri2_lookup_egl_image
;
742 dri2_dpy
->extensions
[0] = &dri2_dpy
->loader_extension
.base
;
743 dri2_dpy
->extensions
[1] = &dri2_dpy
->image_lookup_extension
.base
;
744 dri2_dpy
->extensions
[2] = NULL
;
746 dri2_dpy
->dri_screen
=
747 dri2_dpy
->dri2
->createNewScreen(0, dri2_dpy
->fd
, dri2_dpy
->extensions
,
748 &dri2_dpy
->driver_configs
, dri2_dpy
);
750 if (dri2_dpy
->dri_screen
== NULL
) {
751 _eglLog(_EGL_WARNING
, "DRI2: failed to create dri screen");
755 extensions
= dri2_dpy
->core
->getExtensions(dri2_dpy
->dri_screen
);
756 if (!dri2_bind_extensions(dri2_dpy
, dri2_core_extensions
, extensions
))
757 goto cleanup_dri_screen
;
759 if (dri2_dpy
->dri2
->base
.version
>= 2)
760 api_mask
= dri2_dpy
->dri2
->getAPIMask(dri2_dpy
->dri_screen
);
762 api_mask
= __DRI_API_OPENGL
;
764 disp
->ClientAPIsMask
= 0;
765 if (api_mask
& (1 <<__DRI_API_OPENGL
))
766 disp
->ClientAPIsMask
|= EGL_OPENGL_BIT
;
767 if (api_mask
& (1 <<__DRI_API_GLES
))
768 disp
->ClientAPIsMask
|= EGL_OPENGL_ES_BIT
;
769 if (api_mask
& (1 << __DRI_API_GLES2
))
770 disp
->ClientAPIsMask
|= EGL_OPENGL_ES2_BIT
;
772 if (dri2_dpy
->conn
) {
773 if (!dri2_add_configs_for_visuals(dri2_dpy
, disp
))
774 goto cleanup_configs
;
777 disp
->Extensions
.KHR_image_base
= EGL_TRUE
;
778 disp
->Extensions
.KHR_image_pixmap
= EGL_TRUE
;
779 disp
->Extensions
.KHR_gl_renderbuffer_image
= EGL_TRUE
;
780 disp
->Extensions
.KHR_gl_texture_2D_image
= EGL_TRUE
;
782 /* we're supporting EGL 1.4 */
789 _eglCleanupDisplay(disp
);
791 dri2_dpy
->core
->destroyScreen(dri2_dpy
->dri_screen
);
795 dlclose(dri2_dpy
->driver
);
797 if (disp
->NativeDisplay
== NULL
)
798 xcb_disconnect(dri2_dpy
->conn
);
806 * Called via eglTerminate(), drv->API.Terminate().
809 dri2_terminate(_EGLDriver
*drv
, _EGLDisplay
*disp
)
811 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
813 _eglReleaseDisplayResources(drv
, disp
);
814 _eglCleanupDisplay(disp
);
816 dri2_dpy
->core
->destroyScreen(dri2_dpy
->dri_screen
);
818 dlclose(dri2_dpy
->driver
);
819 if (disp
->NativeDisplay
== NULL
)
820 xcb_disconnect(dri2_dpy
->conn
);
822 disp
->DriverData
= NULL
;
829 * Called via eglCreateContext(), drv->API.CreateContext().
832 dri2_create_context(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLConfig
*conf
,
833 _EGLContext
*share_list
, const EGLint
*attrib_list
)
835 struct dri2_egl_context
*dri2_ctx
;
836 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
837 struct dri2_egl_context
*dri2_ctx_shared
= dri2_egl_context(share_list
);
838 struct dri2_egl_config
*dri2_config
= dri2_egl_config(conf
);
841 dri2_ctx
= malloc(sizeof *dri2_ctx
);
843 _eglError(EGL_BAD_ALLOC
, "eglCreateContext");
847 if (!_eglInitContext(&dri2_ctx
->base
, disp
, conf
, attrib_list
))
850 switch (dri2_ctx
->base
.ClientAPI
) {
851 case EGL_OPENGL_ES_API
:
852 switch (dri2_ctx
->base
.ClientVersion
) {
854 api
= __DRI_API_GLES
;
857 api
= __DRI_API_GLES2
;
860 _eglError(EGL_BAD_PARAMETER
, "eglCreateContext");
865 api
= __DRI_API_OPENGL
;
868 _eglError(EGL_BAD_PARAMETER
, "eglCreateContext");
872 if (dri2_dpy
->dri2
->base
.version
>= 2) {
873 dri2_ctx
->dri_context
=
874 dri2_dpy
->dri2
->createNewContextForAPI(dri2_dpy
->dri_screen
,
876 dri2_config
->dri_config
,
878 dri2_ctx_shared
->dri_context
: NULL
,
880 } else if (api
== __DRI_API_OPENGL
) {
881 dri2_ctx
->dri_context
=
882 dri2_dpy
->dri2
->createNewContext(dri2_dpy
->dri_screen
,
883 dri2_config
->dri_config
,
885 dri2_ctx_shared
->dri_context
: NULL
,
891 if (!dri2_ctx
->dri_context
)
894 return &dri2_ctx
->base
;
902 dri2_destroy_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
)
904 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
905 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
907 if (_eglIsSurfaceBound(surf
))
910 (*dri2_dpy
->core
->destroyDrawable
)(dri2_surf
->dri_drawable
);
912 xcb_dri2_destroy_drawable (dri2_dpy
->conn
, dri2_surf
->drawable
);
914 if (surf
->Type
== EGL_PBUFFER_BIT
)
915 xcb_free_pixmap (dri2_dpy
->conn
, dri2_surf
->drawable
);
923 * Called via eglMakeCurrent(), drv->API.MakeCurrent().
926 dri2_make_current(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*dsurf
,
927 _EGLSurface
*rsurf
, _EGLContext
*ctx
)
929 struct dri2_egl_driver
*dri2_drv
= dri2_egl_driver(drv
);
930 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
931 struct dri2_egl_surface
*dri2_dsurf
= dri2_egl_surface(dsurf
);
932 struct dri2_egl_surface
*dri2_rsurf
= dri2_egl_surface(rsurf
);
933 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
934 __DRIdrawable
*ddraw
, *rdraw
;
937 /* bind the new context and return the "orphaned" one */
938 if (!_eglBindContext(&ctx
, &dsurf
, &rsurf
))
941 /* flush before context switch */
942 if (ctx
&& dri2_drv
->glFlush
)
945 ddraw
= (dri2_dsurf
) ? dri2_dsurf
->dri_drawable
: NULL
;
946 rdraw
= (dri2_rsurf
) ? dri2_rsurf
->dri_drawable
: NULL
;
947 cctx
= (dri2_ctx
) ? dri2_ctx
->dri_context
: NULL
;
949 if ((cctx
== NULL
&& ddraw
== NULL
&& rdraw
== NULL
) ||
950 dri2_dpy
->core
->bindContext(cctx
, ddraw
, rdraw
)) {
951 if (dsurf
&& !_eglIsSurfaceLinked(dsurf
))
952 dri2_destroy_surface(drv
, disp
, dsurf
);
953 if (rsurf
&& rsurf
!= dsurf
&& !_eglIsSurfaceLinked(dsurf
))
954 dri2_destroy_surface(drv
, disp
, rsurf
);
955 if (ctx
!= NULL
&& !_eglIsContextLinked(ctx
))
956 dri2_dpy
->core
->unbindContext(dri2_egl_context(ctx
)->dri_context
);
960 _eglBindContext(&ctx
, &dsurf
, &rsurf
);
967 * Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface().
970 dri2_create_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
, EGLint type
,
971 _EGLConfig
*conf
, EGLNativeWindowType window
,
972 const EGLint
*attrib_list
)
974 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
975 struct dri2_egl_config
*dri2_conf
= dri2_egl_config(conf
);
976 struct dri2_egl_surface
*dri2_surf
;
977 xcb_get_geometry_cookie_t cookie
;
978 xcb_get_geometry_reply_t
*reply
;
979 xcb_screen_iterator_t s
;
980 xcb_generic_error_t
*error
;
982 dri2_surf
= malloc(sizeof *dri2_surf
);
984 _eglError(EGL_BAD_ALLOC
, "dri2_create_surface");
988 if (!_eglInitSurface(&dri2_surf
->base
, disp
, type
, conf
, attrib_list
))
991 dri2_surf
->region
= XCB_NONE
;
992 if (type
== EGL_PBUFFER_BIT
) {
993 dri2_surf
->drawable
= xcb_generate_id(dri2_dpy
->conn
);
994 s
= xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy
->conn
));
995 xcb_create_pixmap(dri2_dpy
->conn
,
996 _eglGetConfigKey(conf
, EGL_BUFFER_SIZE
),
997 dri2_surf
->drawable
, s
.data
->root
,
998 dri2_surf
->base
.Width
, dri2_surf
->base
.Height
);
1000 dri2_surf
->drawable
= window
;
1003 dri2_surf
->dri_drawable
=
1004 (*dri2_dpy
->dri2
->createNewDrawable
) (dri2_dpy
->dri_screen
,
1005 dri2_conf
->dri_config
, dri2_surf
);
1006 if (dri2_surf
->dri_drawable
== NULL
) {
1007 _eglError(EGL_BAD_ALLOC
, "dri2->createNewDrawable");
1008 goto cleanup_pixmap
;
1011 xcb_dri2_create_drawable (dri2_dpy
->conn
, dri2_surf
->drawable
);
1013 if (type
!= EGL_PBUFFER_BIT
) {
1014 cookie
= xcb_get_geometry (dri2_dpy
->conn
, dri2_surf
->drawable
);
1015 reply
= xcb_get_geometry_reply (dri2_dpy
->conn
, cookie
, &error
);
1016 if (reply
== NULL
|| error
!= NULL
) {
1017 _eglError(EGL_BAD_ALLOC
, "xcb_get_geometry");
1019 goto cleanup_dri_drawable
;
1022 dri2_surf
->base
.Width
= reply
->width
;
1023 dri2_surf
->base
.Height
= reply
->height
;
1027 return &dri2_surf
->base
;
1029 cleanup_dri_drawable
:
1030 dri2_dpy
->core
->destroyDrawable(dri2_surf
->dri_drawable
);
1032 if (type
== EGL_PBUFFER_BIT
)
1033 xcb_free_pixmap(dri2_dpy
->conn
, dri2_surf
->drawable
);
1041 * Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface().
1043 static _EGLSurface
*
1044 dri2_create_window_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1045 _EGLConfig
*conf
, EGLNativeWindowType window
,
1046 const EGLint
*attrib_list
)
1048 return dri2_create_surface(drv
, disp
, EGL_WINDOW_BIT
, conf
,
1049 window
, attrib_list
);
1052 static _EGLSurface
*
1053 dri2_create_pixmap_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1054 _EGLConfig
*conf
, EGLNativePixmapType pixmap
,
1055 const EGLint
*attrib_list
)
1057 return dri2_create_surface(drv
, disp
, EGL_PIXMAP_BIT
, conf
,
1058 pixmap
, attrib_list
);
1061 static _EGLSurface
*
1062 dri2_create_pbuffer_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1063 _EGLConfig
*conf
, const EGLint
*attrib_list
)
1065 return dri2_create_surface(drv
, disp
, EGL_PBUFFER_BIT
, conf
,
1066 XCB_WINDOW_NONE
, attrib_list
);
1070 dri2_swap_buffers(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*draw
)
1072 struct dri2_egl_driver
*dri2_drv
= dri2_egl_driver(drv
);
1073 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1074 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(draw
);
1076 xcb_dri2_copy_region_cookie_t cookie
;
1078 if (dri2_drv
->glFlush
) {
1079 ctx
= _eglGetCurrentContext();
1080 if (ctx
&& ctx
->DrawSurface
== &dri2_surf
->base
)
1081 dri2_drv
->glFlush();
1084 (*dri2_dpy
->flush
->flush
)(dri2_surf
->dri_drawable
);
1087 /* FIXME: Add support for dri swapbuffers, that'll give us swap
1088 * interval and page flipping (at least for fullscreen windows) as
1089 * well as the page flip event. Unless surface->SwapBehavior is
1090 * EGL_BUFFER_PRESERVED. */
1091 #if __DRI2_FLUSH_VERSION >= 2
1093 (*pdraw
->psc
->f
->flushInvalidate
)(pdraw
->driDrawable
);
1097 if (!dri2_surf
->have_fake_front
)
1100 cookie
= xcb_dri2_copy_region_unchecked(dri2_dpy
->conn
,
1101 dri2_surf
->drawable
,
1103 XCB_DRI2_ATTACHMENT_BUFFER_FRONT_LEFT
,
1104 XCB_DRI2_ATTACHMENT_BUFFER_FAKE_FRONT_LEFT
);
1105 free(xcb_dri2_copy_region_reply(dri2_dpy
->conn
, cookie
, NULL
));
1111 * Called from eglGetProcAddress() via drv->API.GetProcAddress().
1114 dri2_get_proc_address(_EGLDriver
*drv
, const char *procname
)
1116 /* FIXME: Do we need to support lookup of EGL symbols too? */
1118 return (_EGLProc
) _glapi_get_proc_address(procname
);
1122 dri2_wait_client(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLContext
*ctx
)
1124 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1125 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(ctx
->DrawSurface
);
1127 /* FIXME: If EGL allows frontbuffer rendering for window surfaces,
1128 * we need to copy fake to real here.*/
1130 (*dri2_dpy
->flush
->flush
)(dri2_surf
->dri_drawable
);
1136 dri2_wait_native(_EGLDriver
*drv
, _EGLDisplay
*disp
, EGLint engine
)
1138 if (engine
!= EGL_CORE_NATIVE_ENGINE
)
1139 return _eglError(EGL_BAD_PARAMETER
, "eglWaitNative");
1146 dri2_unload(_EGLDriver
*drv
)
1148 struct dri2_egl_driver
*dri2_drv
= dri2_egl_driver(drv
);
1153 dri2_copy_buffers(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
,
1154 EGLNativePixmapType target
)
1156 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1157 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
1160 (*dri2_dpy
->flush
->flush
)(dri2_surf
->dri_drawable
);
1162 gc
= xcb_generate_id(dri2_dpy
->conn
);
1163 xcb_create_gc(dri2_dpy
->conn
, gc
, target
, 0, NULL
);
1164 xcb_copy_area(dri2_dpy
->conn
,
1165 dri2_surf
->drawable
,
1170 dri2_surf
->base
.Width
,
1171 dri2_surf
->base
.Height
);
1172 xcb_free_gc(dri2_dpy
->conn
, gc
);
1178 dri2_bind_tex_image(_EGLDriver
*drv
,
1179 _EGLDisplay
*disp
, _EGLSurface
*surf
, EGLint buffer
)
1181 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1182 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
1183 struct dri2_egl_context
*dri2_ctx
;
1185 GLint format
, target
;
1187 ctx
= _eglGetCurrentContext();
1188 dri2_ctx
= dri2_egl_context(ctx
);
1190 if (buffer
!= EGL_BACK_BUFFER
) {
1191 _eglError(EGL_BAD_PARAMETER
, "eglBindTexImage");
1195 /* We allow binding pixmaps too... Not conformat, but we can do it
1196 * for free and it's useful for X compositors. Supposedly there's
1197 * a EGL_NOKIA_texture_from_pixmap extension that allows that, but
1198 * I couldn't find it at this time. */
1199 if ((dri2_surf
->base
.Type
& (EGL_PBUFFER_BIT
| EGL_PIXMAP_BIT
)) == 0) {
1200 _eglError(EGL_BAD_SURFACE
, "eglBindTexImage");
1204 switch (dri2_surf
->base
.TextureFormat
) {
1205 case EGL_TEXTURE_RGB
:
1206 format
= __DRI_TEXTURE_FORMAT_RGB
;
1208 case EGL_TEXTURE_RGBA
:
1209 format
= __DRI_TEXTURE_FORMAT_RGBA
;
1212 _eglError(EGL_BAD_MATCH
, "eglBindTexImage");
1216 switch (dri2_surf
->base
.TextureTarget
) {
1217 case EGL_TEXTURE_2D
:
1218 target
= GL_TEXTURE_2D
;
1221 _eglError(EGL_BAD_PARAMETER
, "eglBindTexImage");
1225 (*dri2_dpy
->tex_buffer
->setTexBuffer2
)(dri2_ctx
->dri_context
,
1227 dri2_surf
->dri_drawable
);
1229 return dri2_surf
->base
.BoundToTexture
= EGL_TRUE
;
1233 dri2_release_tex_image(_EGLDriver
*drv
,
1234 _EGLDisplay
*disp
, _EGLSurface
*surf
, EGLint buffer
)
1240 dri2_create_image_khr_pixmap(_EGLDisplay
*disp
, _EGLContext
*ctx
,
1241 EGLClientBuffer buffer
, const EGLint
*attr_list
)
1243 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1244 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
1245 struct dri2_egl_image
*dri2_img
;
1246 unsigned int attachments
[1];
1247 xcb_drawable_t drawable
;
1248 xcb_dri2_get_buffers_cookie_t buffers_cookie
;
1249 xcb_dri2_get_buffers_reply_t
*buffers_reply
;
1250 xcb_dri2_dri2_buffer_t
*buffers
;
1251 xcb_get_geometry_cookie_t geometry_cookie
;
1252 xcb_get_geometry_reply_t
*geometry_reply
;
1253 xcb_generic_error_t
*error
;
1256 drawable
= (xcb_drawable_t
) buffer
;
1257 xcb_dri2_create_drawable (dri2_dpy
->conn
, drawable
);
1258 attachments
[0] = XCB_DRI2_ATTACHMENT_BUFFER_FRONT_LEFT
;
1260 xcb_dri2_get_buffers_unchecked (dri2_dpy
->conn
,
1261 drawable
, 1, 1, attachments
);
1262 geometry_cookie
= xcb_get_geometry (dri2_dpy
->conn
, drawable
);
1263 buffers_reply
= xcb_dri2_get_buffers_reply (dri2_dpy
->conn
,
1264 buffers_cookie
, NULL
);
1265 buffers
= xcb_dri2_get_buffers_buffers (buffers_reply
);
1266 if (buffers
== NULL
) {
1270 geometry_reply
= xcb_get_geometry_reply (dri2_dpy
->conn
,
1271 geometry_cookie
, &error
);
1272 if (geometry_reply
== NULL
|| error
!= NULL
) {
1273 _eglError(EGL_BAD_ALLOC
, "xcb_get_geometry");
1275 free(buffers_reply
);
1278 switch (geometry_reply
->depth
) {
1280 format
= __DRI_IMAGE_FORMAT_RGB565
;
1283 format
= __DRI_IMAGE_FORMAT_XRGB8888
;
1286 format
= __DRI_IMAGE_FORMAT_ARGB8888
;
1289 _eglError(EGL_BAD_PARAMETER
,
1290 "dri2_create_image_khr: unsupported pixmap depth");
1291 free(buffers_reply
);
1292 free(geometry_reply
);
1296 dri2_img
= malloc(sizeof *dri2_img
);
1298 free(buffers_reply
);
1299 free(geometry_reply
);
1300 _eglError(EGL_BAD_ALLOC
, "dri2_create_image_khr");
1301 return EGL_NO_IMAGE_KHR
;
1304 if (!_eglInitImage(&dri2_img
->base
, disp
, attr_list
)) {
1305 free(buffers_reply
);
1306 free(geometry_reply
);
1307 return EGL_NO_IMAGE_KHR
;
1310 stride
= buffers
[0].pitch
/ buffers
[0].cpp
;
1311 dri2_img
->dri_image
=
1312 dri2_dpy
->image
->createImageFromName(dri2_ctx
->dri_context
,
1313 buffers_reply
->width
,
1314 buffers_reply
->height
,
1320 free(buffers_reply
);
1321 free(geometry_reply
);
1323 return &dri2_img
->base
;
1327 dri2_create_image_khr_renderbuffer(_EGLDisplay
*disp
, _EGLContext
*ctx
,
1328 EGLClientBuffer buffer
,
1329 const EGLint
*attr_list
)
1331 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1332 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
1333 struct dri2_egl_image
*dri2_img
;
1334 GLuint renderbuffer
= (GLuint
) buffer
;
1336 if (renderbuffer
== 0) {
1337 _eglError(EGL_BAD_PARAMETER
, "dri2_create_image_khr");
1338 return EGL_NO_IMAGE_KHR
;
1341 dri2_img
= malloc(sizeof *dri2_img
);
1343 _eglError(EGL_BAD_ALLOC
, "dri2_create_image_khr");
1344 return EGL_NO_IMAGE_KHR
;
1347 if (!_eglInitImage(&dri2_img
->base
, disp
, attr_list
))
1348 return EGL_NO_IMAGE_KHR
;
1350 dri2_img
->dri_image
=
1351 dri2_dpy
->image
->createImageFromRenderbuffer(dri2_ctx
->dri_context
,
1355 return &dri2_img
->base
;
1359 dri2_create_image_khr(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1360 _EGLContext
*ctx
, EGLenum target
,
1361 EGLClientBuffer buffer
, const EGLint
*attr_list
)
1364 case EGL_NATIVE_PIXMAP_KHR
:
1365 return dri2_create_image_khr_pixmap(disp
, ctx
, buffer
, attr_list
);
1366 case EGL_GL_RENDERBUFFER_KHR
:
1367 return dri2_create_image_khr_renderbuffer(disp
, ctx
, buffer
, attr_list
);
1369 _eglError(EGL_BAD_PARAMETER
, "dri2_create_image_khr");
1370 return EGL_NO_IMAGE_KHR
;
1375 dri2_destroy_image_khr(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLImage
*image
)
1377 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1378 struct dri2_egl_image
*dri2_img
= dri2_egl_image(image
);
1380 dri2_dpy
->image
->destroyImage(dri2_img
->dri_image
);
1387 * This is the main entrypoint into the driver, called by libEGL.
1388 * Create a new _EGLDriver object and init its dispatch table.
1391 _eglMain(const char *args
)
1393 struct dri2_egl_driver
*dri2_drv
;
1395 dri2_drv
= malloc(sizeof *dri2_drv
);
1399 memset(dri2_drv
, 0, sizeof *dri2_drv
);
1400 _eglInitDriverFallbacks(&dri2_drv
->base
);
1401 dri2_drv
->base
.API
.Initialize
= dri2_initialize
;
1402 dri2_drv
->base
.API
.Terminate
= dri2_terminate
;
1403 dri2_drv
->base
.API
.CreateContext
= dri2_create_context
;
1404 dri2_drv
->base
.API
.MakeCurrent
= dri2_make_current
;
1405 dri2_drv
->base
.API
.CreateWindowSurface
= dri2_create_window_surface
;
1406 dri2_drv
->base
.API
.CreatePixmapSurface
= dri2_create_pixmap_surface
;
1407 dri2_drv
->base
.API
.CreatePbufferSurface
= dri2_create_pbuffer_surface
;
1408 dri2_drv
->base
.API
.DestroySurface
= dri2_destroy_surface
;
1409 dri2_drv
->base
.API
.SwapBuffers
= dri2_swap_buffers
;
1410 dri2_drv
->base
.API
.GetProcAddress
= dri2_get_proc_address
;
1411 dri2_drv
->base
.API
.WaitClient
= dri2_wait_client
;
1412 dri2_drv
->base
.API
.WaitNative
= dri2_wait_native
;
1413 dri2_drv
->base
.API
.CopyBuffers
= dri2_copy_buffers
;
1414 dri2_drv
->base
.API
.BindTexImage
= dri2_bind_tex_image
;
1415 dri2_drv
->base
.API
.ReleaseTexImage
= dri2_release_tex_image
;
1416 dri2_drv
->base
.API
.CreateImageKHR
= dri2_create_image_khr
;
1417 dri2_drv
->base
.API
.DestroyImageKHR
= dri2_destroy_image_khr
;
1419 dri2_drv
->base
.Name
= "DRI2";
1420 dri2_drv
->base
.Unload
= dri2_unload
;
1423 (void (*)(void)) dri2_get_proc_address(&dri2_drv
->base
, "glFlush");
1425 return &dri2_drv
->base
;