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 /* EGL_OPENGL_ES_BIT, EGL_OPENVG_BIT, EGL_OPENGL_ES2_BIT */
258 _eglSetConfigKey(&base
, EGL_RENDERABLE_TYPE
, EGL_OPENGL_BIT
);
259 _eglSetConfigKey(&base
, EGL_CONFORMANT
, EGL_OPENGL_BIT
);
261 if (!_eglValidateConfig(&base
, EGL_FALSE
)) {
262 _eglLog(_EGL_DEBUG
, "DRI2: failed to validate config %d", id
);
266 conf
= malloc(sizeof *conf
);
268 memcpy(&conf
->base
, &base
, sizeof base
);
269 conf
->dri_config
= dri_config
;
270 _eglAddConfig(disp
, &conf
->base
);
275 * Process list of buffer received from the server
277 * Processes the list of buffers received in a reply from the server to either
278 * \c DRI2GetBuffers or \c DRI2GetBuffersWithFormat.
281 dri2_process_buffers(struct dri2_egl_surface
*dri2_surf
,
282 xcb_dri2_dri2_buffer_t
*buffers
, unsigned count
)
284 struct dri2_egl_display
*dri2_dpy
=
285 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
286 xcb_rectangle_t rectangle
;
289 dri2_surf
->buffer_count
= count
;
290 dri2_surf
->have_fake_front
= 0;
292 /* This assumes the DRI2 buffer attachment tokens matches the
293 * __DRIbuffer tokens. */
294 for (i
= 0; i
< count
; i
++) {
295 dri2_surf
->buffers
[i
].attachment
= buffers
[i
].attachment
;
296 dri2_surf
->buffers
[i
].name
= buffers
[i
].name
;
297 dri2_surf
->buffers
[i
].pitch
= buffers
[i
].pitch
;
298 dri2_surf
->buffers
[i
].cpp
= buffers
[i
].cpp
;
299 dri2_surf
->buffers
[i
].flags
= buffers
[i
].flags
;
301 /* We only use the DRI drivers single buffer configs. This
302 * means that if we try to render to a window, DRI2 will give us
303 * the fake front buffer, which we'll use as a back buffer.
304 * Note that EGL doesn't require that several clients rendering
305 * to the same window must see the same aux buffers. */
306 if (dri2_surf
->buffers
[i
].attachment
== __DRI_BUFFER_FAKE_FRONT_LEFT
)
307 dri2_surf
->have_fake_front
= 1;
310 if (dri2_surf
->region
!= XCB_NONE
)
311 xcb_xfixes_destroy_region(dri2_dpy
->conn
, dri2_surf
->region
);
315 rectangle
.width
= dri2_surf
->base
.Width
;
316 rectangle
.height
= dri2_surf
->base
.Height
;
317 dri2_surf
->region
= xcb_generate_id(dri2_dpy
->conn
);
318 xcb_xfixes_create_region(dri2_dpy
->conn
, dri2_surf
->region
, 1, &rectangle
);
322 dri2_get_buffers(__DRIdrawable
* driDrawable
,
323 int *width
, int *height
,
324 unsigned int *attachments
, int count
,
325 int *out_count
, void *loaderPrivate
)
327 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
328 struct dri2_egl_display
*dri2_dpy
=
329 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
330 xcb_dri2_dri2_buffer_t
*buffers
;
331 xcb_dri2_get_buffers_reply_t
*reply
;
332 xcb_dri2_get_buffers_cookie_t cookie
;
334 cookie
= xcb_dri2_get_buffers_unchecked (dri2_dpy
->conn
,
336 count
, count
, attachments
);
337 reply
= xcb_dri2_get_buffers_reply (dri2_dpy
->conn
, cookie
, NULL
);
338 buffers
= xcb_dri2_get_buffers_buffers (reply
);
342 *out_count
= reply
->count
;
343 dri2_surf
->base
.Width
= *width
= reply
->width
;
344 dri2_surf
->base
.Height
= *height
= reply
->height
;
345 dri2_process_buffers(dri2_surf
, buffers
, *out_count
);
349 return dri2_surf
->buffers
;
353 dri2_flush_front_buffer(__DRIdrawable
* driDrawable
, void *loaderPrivate
)
355 /* FIXME: Does EGL support front buffer rendering at all? */
358 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
360 dri2WaitGL(dri2_surf
);
365 dri2_lookup_egl_image(__DRIcontext
*context
, void *image
, void *data
)
367 struct dri2_egl_context
*dri2_ctx
= data
;
368 _EGLDisplay
*disp
= dri2_ctx
->base
.Resource
.Display
;
369 struct dri2_egl_image
*dri2_img
;
372 img
= _eglLookupImage(image
, disp
);
374 _eglError(EGL_BAD_PARAMETER
, "dri2_lookup_egl_image");
378 dri2_img
= dri2_egl_image(image
);
380 return dri2_img
->dri_image
;
384 dri2_get_buffers_with_format(__DRIdrawable
* driDrawable
,
385 int *width
, int *height
,
386 unsigned int *attachments
, int count
,
387 int *out_count
, void *loaderPrivate
)
389 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
390 struct dri2_egl_display
*dri2_dpy
=
391 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
392 xcb_dri2_dri2_buffer_t
*buffers
;
393 xcb_dri2_get_buffers_with_format_reply_t
*reply
;
394 xcb_dri2_get_buffers_with_format_cookie_t cookie
;
395 xcb_dri2_attach_format_t
*format_attachments
;
397 format_attachments
= (xcb_dri2_attach_format_t
*) attachments
;
398 cookie
= xcb_dri2_get_buffers_with_format_unchecked (dri2_dpy
->conn
,
403 reply
= xcb_dri2_get_buffers_with_format_reply (dri2_dpy
->conn
,
408 buffers
= xcb_dri2_get_buffers_with_format_buffers (reply
);
409 dri2_surf
->base
.Width
= *width
= reply
->width
;
410 dri2_surf
->base
.Height
= *height
= reply
->height
;
411 *out_count
= reply
->count
;
412 dri2_process_buffers(dri2_surf
, buffers
, *out_count
);
416 return dri2_surf
->buffers
;
420 static const char dri_driver_format
[] = "%.*s/tls/%s_dri.so";
422 static const char dri_driver_format
[] = "%.*s/%s_dri.so";
425 static const char dri_driver_path
[] = DEFAULT_DRIVER_DIR
;
427 struct dri2_extension_match
{
433 static struct dri2_extension_match dri2_driver_extensions
[] = {
434 { __DRI_CORE
, 1, offsetof(struct dri2_egl_display
, core
) },
435 { __DRI_DRI2
, 1, offsetof(struct dri2_egl_display
, dri2
) },
439 static struct dri2_extension_match dri2_core_extensions
[] = {
440 { __DRI2_FLUSH
, 1, offsetof(struct dri2_egl_display
, flush
) },
441 { __DRI_TEX_BUFFER
, 2, offsetof(struct dri2_egl_display
, tex_buffer
) },
442 { __DRI_IMAGE
, 1, offsetof(struct dri2_egl_display
, image
) },
447 dri2_bind_extensions(struct dri2_egl_display
*dri2_dpy
,
448 struct dri2_extension_match
*matches
,
449 const __DRIextension
**extensions
)
451 int i
, j
, ret
= EGL_TRUE
;
454 for (i
= 0; extensions
[i
]; i
++) {
455 _eglLog(_EGL_DEBUG
, "DRI2: found extension `%s'", extensions
[i
]->name
);
456 for (j
= 0; matches
[j
].name
; j
++) {
457 if (strcmp(extensions
[i
]->name
, matches
[j
].name
) == 0 &&
458 extensions
[i
]->version
>= matches
[j
].version
) {
459 field
= ((char *) dri2_dpy
+ matches
[j
].offset
);
460 *(const __DRIextension
**) field
= extensions
[i
];
461 _eglLog(_EGL_INFO
, "DRI2: found extension %s version %d",
462 extensions
[i
]->name
, extensions
[i
]->version
);
467 for (j
= 0; matches
[j
].name
; j
++) {
468 field
= ((char *) dri2_dpy
+ matches
[j
].offset
);
469 if (*(const __DRIextension
**) field
== NULL
) {
470 _eglLog(_EGL_FATAL
, "DRI2: did not find extension %s version %d",
471 matches
[j
].name
, matches
[j
].version
);
480 dri2_strndup(const char *s
, int length
)
484 d
= malloc(length
+ 1);
488 memcpy(d
, s
, length
);
495 dri2_connect(struct dri2_egl_display
*dri2_dpy
)
497 xcb_xfixes_query_version_reply_t
*xfixes_query
;
498 xcb_xfixes_query_version_cookie_t xfixes_query_cookie
;
499 xcb_dri2_query_version_reply_t
*dri2_query
;
500 xcb_dri2_query_version_cookie_t dri2_query_cookie
;
501 xcb_dri2_connect_reply_t
*connect
;
502 xcb_dri2_connect_cookie_t connect_cookie
;
503 xcb_generic_error_t
*error
;
504 xcb_screen_iterator_t s
;
506 xcb_prefetch_extension_data (dri2_dpy
->conn
, &xcb_xfixes_id
);
507 xcb_prefetch_extension_data (dri2_dpy
->conn
, &xcb_dri2_id
);
509 xfixes_query_cookie
= xcb_xfixes_query_version(dri2_dpy
->conn
,
510 XCB_XFIXES_MAJOR_VERSION
,
511 XCB_XFIXES_MINOR_VERSION
);
513 dri2_query_cookie
= xcb_dri2_query_version (dri2_dpy
->conn
,
514 XCB_DRI2_MAJOR_VERSION
,
515 XCB_DRI2_MINOR_VERSION
);
517 s
= xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy
->conn
));
518 connect_cookie
= xcb_dri2_connect_unchecked (dri2_dpy
->conn
,
520 XCB_DRI2_DRIVER_TYPE_DRI
);
523 xcb_xfixes_query_version_reply (dri2_dpy
->conn
,
524 xfixes_query_cookie
, &error
);
525 if (xfixes_query
== NULL
||
526 error
!= NULL
|| xfixes_query
->major_version
< 2) {
527 _eglLog(_EGL_FATAL
, "DRI2: failed to query xfixes version");
534 xcb_dri2_query_version_reply (dri2_dpy
->conn
, dri2_query_cookie
, &error
);
535 if (dri2_query
== NULL
|| error
!= NULL
) {
536 _eglLog(_EGL_FATAL
, "DRI2: failed to query version");
540 dri2_dpy
->dri2_major
= dri2_query
->major_version
;
541 dri2_dpy
->dri2_minor
= dri2_query
->minor_version
;
544 connect
= xcb_dri2_connect_reply (dri2_dpy
->conn
, connect_cookie
, NULL
);
545 if (connect
== NULL
||
546 connect
->driver_name_length
+ connect
->device_name_length
== 0) {
547 _eglLog(_EGL_FATAL
, "DRI2: failed to authenticate");
551 dri2_dpy
->device_name
=
552 dri2_strndup(xcb_dri2_connect_device_name (connect
),
553 xcb_dri2_connect_device_name_length (connect
));
555 dri2_dpy
->driver_name
=
556 dri2_strndup(xcb_dri2_connect_driver_name (connect
),
557 xcb_dri2_connect_driver_name_length (connect
));
559 if (dri2_dpy
->device_name
== NULL
|| dri2_dpy
->driver_name
== NULL
) {
560 free(dri2_dpy
->device_name
);
561 free(dri2_dpy
->driver_name
);
571 dri2_authenticate(struct dri2_egl_display
*dri2_dpy
)
573 xcb_dri2_authenticate_reply_t
*authenticate
;
574 xcb_dri2_authenticate_cookie_t authenticate_cookie
;
575 xcb_screen_iterator_t s
;
578 if (drmGetMagic(dri2_dpy
->fd
, &magic
)) {
579 _eglLog(_EGL_FATAL
, "DRI2: failed to get drm magic");
583 s
= xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy
->conn
));
584 authenticate_cookie
=
585 xcb_dri2_authenticate_unchecked(dri2_dpy
->conn
, s
.data
->root
, magic
);
587 xcb_dri2_authenticate_reply(dri2_dpy
->conn
, authenticate_cookie
, NULL
);
588 if (authenticate
== NULL
|| !authenticate
->authenticated
) {
589 _eglLog(_EGL_FATAL
, "DRI2: failed to authenticate");
600 dri2_add_configs_for_visuals(struct dri2_egl_display
*dri2_dpy
,
603 xcb_screen_iterator_t s
;
604 xcb_depth_iterator_t d
;
605 xcb_visualtype_t
*visuals
;
608 s
= xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy
->conn
));
609 d
= xcb_screen_allowed_depths_iterator(s
.data
);
612 EGLBoolean class_added
[6] = { 0, };
614 visuals
= xcb_depth_visuals(d
.data
);
615 for (i
= 0; i
< xcb_depth_visuals_length(d
.data
); i
++) {
616 if (class_added
[visuals
[i
]._class
])
619 class_added
[visuals
[i
]._class
] = EGL_TRUE
;
620 for (j
= 0; dri2_dpy
->driver_configs
[j
]; j
++)
621 dri2_add_config(disp
, dri2_dpy
->driver_configs
[j
],
622 id
++, d
.data
->depth
, &visuals
[i
]);
628 if (!disp
->NumConfigs
) {
629 _eglLog(_EGL_WARNING
, "DRI2: failed to create any config");
637 * Called via eglInitialize(), GLX_drv->API.Initialize().
640 dri2_initialize(_EGLDriver
*drv
, _EGLDisplay
*disp
,
641 EGLint
*major
, EGLint
*minor
)
643 const __DRIextension
**extensions
;
644 struct dri2_egl_display
*dri2_dpy
;
645 char path
[PATH_MAX
], *search_paths
, *p
, *next
, *end
;
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
);
690 if (dri2_dpy
->driver
== NULL
) {
692 "DRI2: failed to open any driver (search paths %s)",
697 _eglLog(_EGL_DEBUG
, "DRI2: dlopen(%s)", path
);
698 extensions
= dlsym(dri2_dpy
->driver
, __DRI_DRIVER_EXTENSIONS
);
699 if (extensions
== NULL
) {
701 "DRI2: driver exports no extensions (%s)", dlerror());
705 if (!dri2_bind_extensions(dri2_dpy
, dri2_driver_extensions
, extensions
))
708 dri2_dpy
->fd
= open(dri2_dpy
->device_name
, O_RDWR
);
709 if (dri2_dpy
->fd
== -1) {
711 "DRI2: could not open %s (%s)", path
, strerror(errno
));
715 if (dri2_dpy
->conn
) {
716 if (!dri2_authenticate(dri2_dpy
))
720 if (dri2_dpy
->dri2_minor
>= 1) {
721 dri2_dpy
->loader_extension
.base
.name
= __DRI_DRI2_LOADER
;
722 dri2_dpy
->loader_extension
.base
.version
= 3;
723 dri2_dpy
->loader_extension
.getBuffers
= dri2_get_buffers
;
724 dri2_dpy
->loader_extension
.flushFrontBuffer
= dri2_flush_front_buffer
;
725 dri2_dpy
->loader_extension
.getBuffersWithFormat
=
726 dri2_get_buffers_with_format
;
728 dri2_dpy
->loader_extension
.base
.name
= __DRI_DRI2_LOADER
;
729 dri2_dpy
->loader_extension
.base
.version
= 2;
730 dri2_dpy
->loader_extension
.getBuffers
= dri2_get_buffers
;
731 dri2_dpy
->loader_extension
.flushFrontBuffer
= dri2_flush_front_buffer
;
732 dri2_dpy
->loader_extension
.getBuffersWithFormat
= NULL
;
735 dri2_dpy
->image_lookup_extension
.base
.name
= __DRI_IMAGE_LOOKUP
;
736 dri2_dpy
->image_lookup_extension
.base
.version
= 1;
737 dri2_dpy
->image_lookup_extension
.lookupEGLImage
= dri2_lookup_egl_image
;
739 dri2_dpy
->extensions
[0] = &dri2_dpy
->loader_extension
.base
;
740 dri2_dpy
->extensions
[1] = &dri2_dpy
->image_lookup_extension
.base
;
741 dri2_dpy
->extensions
[2] = NULL
;
743 dri2_dpy
->dri_screen
=
744 dri2_dpy
->dri2
->createNewScreen(0, dri2_dpy
->fd
, dri2_dpy
->extensions
,
745 &dri2_dpy
->driver_configs
, dri2_dpy
);
747 if (dri2_dpy
->dri_screen
== NULL
) {
748 _eglLog(_EGL_FATAL
, "DRI2: failed to create dri screen");
752 extensions
= dri2_dpy
->core
->getExtensions(dri2_dpy
->dri_screen
);
753 if (!dri2_bind_extensions(dri2_dpy
, dri2_core_extensions
, extensions
))
754 goto cleanup_dri_screen
;
756 if (dri2_dpy
->conn
) {
757 if (!dri2_add_configs_for_visuals(dri2_dpy
, disp
))
758 goto cleanup_configs
;
761 disp
->ClientAPIsMask
= EGL_OPENGL_BIT
;
762 disp
->Extensions
.KHR_image_base
= EGL_TRUE
;
763 disp
->Extensions
.KHR_image_pixmap
= EGL_TRUE
;
764 disp
->Extensions
.KHR_gl_renderbuffer_image
= EGL_TRUE
;
765 disp
->Extensions
.KHR_gl_texture_2D_image
= EGL_TRUE
;
767 /* we're supporting EGL 1.4 */
774 _eglCleanupDisplay(disp
);
776 dri2_dpy
->core
->destroyScreen(dri2_dpy
->dri_screen
);
780 dlclose(dri2_dpy
->driver
);
782 if (disp
->NativeDisplay
== NULL
)
783 xcb_disconnect(dri2_dpy
->conn
);
791 * Called via eglTerminate(), drv->API.Terminate().
794 dri2_terminate(_EGLDriver
*drv
, _EGLDisplay
*disp
)
796 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
798 _eglReleaseDisplayResources(drv
, disp
);
799 _eglCleanupDisplay(disp
);
801 dri2_dpy
->core
->destroyScreen(dri2_dpy
->dri_screen
);
803 dlclose(dri2_dpy
->driver
);
804 if (disp
->NativeDisplay
== NULL
)
805 xcb_disconnect(dri2_dpy
->conn
);
807 disp
->DriverData
= NULL
;
814 * Called via eglCreateContext(), drv->API.CreateContext().
817 dri2_create_context(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLConfig
*conf
,
818 _EGLContext
*share_list
, const EGLint
*attrib_list
)
820 struct dri2_egl_context
*dri2_ctx
;
821 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
822 struct dri2_egl_context
*dri2_ctx_shared
= dri2_egl_context(share_list
);
823 struct dri2_egl_config
*dri2_config
= dri2_egl_config(conf
);
825 dri2_ctx
= malloc(sizeof *dri2_ctx
);
827 _eglError(EGL_BAD_ALLOC
, "eglCreateContext");
831 if (!_eglInitContext(&dri2_ctx
->base
, disp
, conf
, attrib_list
))
834 dri2_ctx
->dri_context
=
835 dri2_dpy
->dri2
->createNewContext(dri2_dpy
->dri_screen
,
836 dri2_config
->dri_config
,
838 dri2_ctx_shared
->dri_context
: NULL
,
841 if (!dri2_ctx
->dri_context
)
844 return &dri2_ctx
->base
;
852 dri2_destroy_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
)
854 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
855 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
857 if (_eglIsSurfaceBound(surf
))
860 (*dri2_dpy
->core
->destroyDrawable
)(dri2_surf
->dri_drawable
);
862 xcb_dri2_destroy_drawable (dri2_dpy
->conn
, dri2_surf
->drawable
);
864 if (surf
->Type
== EGL_PBUFFER_BIT
)
865 xcb_free_pixmap (dri2_dpy
->conn
, dri2_surf
->drawable
);
873 * Called via eglMakeCurrent(), drv->API.MakeCurrent().
876 dri2_make_current(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*dsurf
,
877 _EGLSurface
*rsurf
, _EGLContext
*ctx
)
879 struct dri2_egl_driver
*dri2_drv
= dri2_egl_driver(drv
);
880 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
881 struct dri2_egl_surface
*dri2_dsurf
= dri2_egl_surface(dsurf
);
882 struct dri2_egl_surface
*dri2_rsurf
= dri2_egl_surface(rsurf
);
883 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
884 __DRIdrawable
*ddraw
, *rdraw
;
887 /* bind the new context and return the "orphaned" one */
888 if (!_eglBindContext(&ctx
, &dsurf
, &rsurf
))
891 /* flush before context switch */
892 if (ctx
&& dri2_drv
->glFlush
)
895 ddraw
= (dri2_dsurf
) ? dri2_dsurf
->dri_drawable
: NULL
;
896 rdraw
= (dri2_rsurf
) ? dri2_rsurf
->dri_drawable
: NULL
;
897 cctx
= (dri2_ctx
) ? dri2_ctx
->dri_context
: NULL
;
899 if ((cctx
== NULL
&& ddraw
== NULL
&& rdraw
== NULL
) ||
900 dri2_dpy
->core
->bindContext(cctx
, ddraw
, rdraw
)) {
901 if (dsurf
&& !_eglIsSurfaceLinked(dsurf
))
902 dri2_destroy_surface(drv
, disp
, dsurf
);
903 if (rsurf
&& rsurf
!= dsurf
&& !_eglIsSurfaceLinked(dsurf
))
904 dri2_destroy_surface(drv
, disp
, rsurf
);
905 if (ctx
!= NULL
&& !_eglIsContextLinked(ctx
))
906 dri2_dpy
->core
->unbindContext(dri2_egl_context(ctx
)->dri_context
);
910 _eglBindContext(&ctx
, &dsurf
, &rsurf
);
917 * Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface().
920 dri2_create_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
, EGLint type
,
921 _EGLConfig
*conf
, EGLNativeWindowType window
,
922 const EGLint
*attrib_list
)
924 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
925 struct dri2_egl_config
*dri2_conf
= dri2_egl_config(conf
);
926 struct dri2_egl_surface
*dri2_surf
;
927 xcb_get_geometry_cookie_t cookie
;
928 xcb_get_geometry_reply_t
*reply
;
929 xcb_screen_iterator_t s
;
930 xcb_generic_error_t
*error
;
932 dri2_surf
= malloc(sizeof *dri2_surf
);
934 _eglError(EGL_BAD_ALLOC
, "dri2_create_surface");
938 if (!_eglInitSurface(&dri2_surf
->base
, disp
, type
, conf
, attrib_list
))
941 dri2_surf
->region
= XCB_NONE
;
942 if (type
== EGL_PBUFFER_BIT
) {
943 dri2_surf
->drawable
= xcb_generate_id(dri2_dpy
->conn
);
944 s
= xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy
->conn
));
945 xcb_create_pixmap(dri2_dpy
->conn
,
946 _eglGetConfigKey(conf
, EGL_BUFFER_SIZE
),
947 dri2_surf
->drawable
, s
.data
->root
,
948 dri2_surf
->base
.Width
, dri2_surf
->base
.Height
);
950 dri2_surf
->drawable
= window
;
953 dri2_surf
->dri_drawable
=
954 (*dri2_dpy
->dri2
->createNewDrawable
) (dri2_dpy
->dri_screen
,
955 dri2_conf
->dri_config
, dri2_surf
);
956 if (dri2_surf
->dri_drawable
== NULL
) {
957 _eglError(EGL_BAD_ALLOC
, "dri2->createNewDrawable");
961 xcb_dri2_create_drawable (dri2_dpy
->conn
, dri2_surf
->drawable
);
963 if (type
!= EGL_PBUFFER_BIT
) {
964 cookie
= xcb_get_geometry (dri2_dpy
->conn
, dri2_surf
->drawable
);
965 reply
= xcb_get_geometry_reply (dri2_dpy
->conn
, cookie
, &error
);
966 if (reply
== NULL
|| error
!= NULL
) {
967 _eglError(EGL_BAD_ALLOC
, "xcb_get_geometry");
969 goto cleanup_dri_drawable
;
972 dri2_surf
->base
.Width
= reply
->width
;
973 dri2_surf
->base
.Height
= reply
->height
;
977 return &dri2_surf
->base
;
979 cleanup_dri_drawable
:
980 dri2_dpy
->core
->destroyDrawable(dri2_surf
->dri_drawable
);
982 if (type
== EGL_PBUFFER_BIT
)
983 xcb_free_pixmap(dri2_dpy
->conn
, dri2_surf
->drawable
);
991 * Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface().
994 dri2_create_window_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
995 _EGLConfig
*conf
, EGLNativeWindowType window
,
996 const EGLint
*attrib_list
)
998 return dri2_create_surface(drv
, disp
, EGL_WINDOW_BIT
, conf
,
999 window
, attrib_list
);
1002 static _EGLSurface
*
1003 dri2_create_pixmap_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1004 _EGLConfig
*conf
, EGLNativePixmapType pixmap
,
1005 const EGLint
*attrib_list
)
1007 return dri2_create_surface(drv
, disp
, EGL_PIXMAP_BIT
, conf
,
1008 pixmap
, attrib_list
);
1011 static _EGLSurface
*
1012 dri2_create_pbuffer_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1013 _EGLConfig
*conf
, const EGLint
*attrib_list
)
1015 return dri2_create_surface(drv
, disp
, EGL_PBUFFER_BIT
, conf
,
1016 XCB_WINDOW_NONE
, attrib_list
);
1020 dri2_swap_buffers(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*draw
)
1022 struct dri2_egl_driver
*dri2_drv
= dri2_egl_driver(drv
);
1023 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1024 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(draw
);
1026 xcb_dri2_copy_region_cookie_t cookie
;
1028 if (dri2_drv
->glFlush
) {
1029 ctx
= _eglGetCurrentContext();
1030 if (ctx
&& ctx
->DrawSurface
== &dri2_surf
->base
)
1031 dri2_drv
->glFlush();
1034 (*dri2_dpy
->flush
->flush
)(dri2_surf
->dri_drawable
);
1037 /* FIXME: Add support for dri swapbuffers, that'll give us swap
1038 * interval and page flipping (at least for fullscreen windows) as
1039 * well as the page flip event. Unless surface->SwapBehavior is
1040 * EGL_BUFFER_PRESERVED. */
1041 #if __DRI2_FLUSH_VERSION >= 2
1043 (*pdraw
->psc
->f
->flushInvalidate
)(pdraw
->driDrawable
);
1047 if (!dri2_surf
->have_fake_front
)
1050 cookie
= xcb_dri2_copy_region_unchecked(dri2_dpy
->conn
,
1051 dri2_surf
->drawable
,
1053 XCB_DRI2_ATTACHMENT_BUFFER_FRONT_LEFT
,
1054 XCB_DRI2_ATTACHMENT_BUFFER_FAKE_FRONT_LEFT
);
1055 free(xcb_dri2_copy_region_reply(dri2_dpy
->conn
, cookie
, NULL
));
1061 * Called from eglGetProcAddress() via drv->API.GetProcAddress().
1064 dri2_get_proc_address(_EGLDriver
*drv
, const char *procname
)
1066 /* FIXME: Do we need to support lookup of EGL symbols too? */
1068 return (_EGLProc
) _glapi_get_proc_address(procname
);
1072 dri2_wait_client(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLContext
*ctx
)
1074 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1075 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(ctx
->DrawSurface
);
1077 /* FIXME: If EGL allows frontbuffer rendering for window surfaces,
1078 * we need to copy fake to real here.*/
1080 (*dri2_dpy
->flush
->flush
)(dri2_surf
->dri_drawable
);
1086 dri2_wait_native(_EGLDriver
*drv
, _EGLDisplay
*disp
, EGLint engine
)
1088 if (engine
!= EGL_CORE_NATIVE_ENGINE
)
1089 return _eglError(EGL_BAD_PARAMETER
, "eglWaitNative");
1096 dri2_unload(_EGLDriver
*drv
)
1098 struct dri2_egl_driver
*dri2_drv
= dri2_egl_driver(drv
);
1103 dri2_copy_buffers(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
,
1104 EGLNativePixmapType target
)
1106 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1107 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
1110 (*dri2_dpy
->flush
->flush
)(dri2_surf
->dri_drawable
);
1112 gc
= xcb_generate_id(dri2_dpy
->conn
);
1113 xcb_create_gc(dri2_dpy
->conn
, gc
, target
, 0, NULL
);
1114 xcb_copy_area(dri2_dpy
->conn
,
1115 dri2_surf
->drawable
,
1120 dri2_surf
->base
.Width
,
1121 dri2_surf
->base
.Height
);
1122 xcb_free_gc(dri2_dpy
->conn
, gc
);
1128 dri2_bind_tex_image(_EGLDriver
*drv
,
1129 _EGLDisplay
*disp
, _EGLSurface
*surf
, EGLint buffer
)
1131 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1132 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
1133 struct dri2_egl_context
*dri2_ctx
;
1135 GLint format
, target
;
1137 ctx
= _eglGetCurrentContext();
1138 dri2_ctx
= dri2_egl_context(ctx
);
1140 if (buffer
!= EGL_BACK_BUFFER
) {
1141 _eglError(EGL_BAD_PARAMETER
, "eglBindTexImage");
1145 /* We allow binding pixmaps too... Not conformat, but we can do it
1146 * for free and it's useful for X compositors. Supposedly there's
1147 * a EGL_NOKIA_texture_from_pixmap extension that allows that, but
1148 * I couldn't find it at this time. */
1149 if ((dri2_surf
->base
.Type
& (EGL_PBUFFER_BIT
| EGL_PIXMAP_BIT
)) == 0) {
1150 _eglError(EGL_BAD_SURFACE
, "eglBindTexImage");
1154 switch (dri2_surf
->base
.TextureFormat
) {
1155 case EGL_TEXTURE_RGB
:
1156 format
= __DRI_TEXTURE_FORMAT_RGB
;
1158 case EGL_TEXTURE_RGBA
:
1159 format
= __DRI_TEXTURE_FORMAT_RGBA
;
1162 _eglError(EGL_BAD_MATCH
, "eglBindTexImage");
1166 switch (dri2_surf
->base
.TextureTarget
) {
1167 case EGL_TEXTURE_2D
:
1168 target
= GL_TEXTURE_2D
;
1171 _eglError(EGL_BAD_PARAMETER
, "eglBindTexImage");
1175 (*dri2_dpy
->tex_buffer
->setTexBuffer2
)(dri2_ctx
->dri_context
,
1177 dri2_surf
->dri_drawable
);
1179 return dri2_surf
->base
.BoundToTexture
= EGL_TRUE
;
1183 dri2_release_tex_image(_EGLDriver
*drv
,
1184 _EGLDisplay
*disp
, _EGLSurface
*surf
, EGLint buffer
)
1190 dri2_create_image_khr_pixmap(_EGLDisplay
*disp
, _EGLContext
*ctx
,
1191 EGLClientBuffer buffer
, const EGLint
*attr_list
)
1193 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1194 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
1195 struct dri2_egl_image
*dri2_img
;
1196 unsigned int attachments
[1];
1197 xcb_drawable_t drawable
;
1198 xcb_dri2_get_buffers_cookie_t buffers_cookie
;
1199 xcb_dri2_get_buffers_reply_t
*buffers_reply
;
1200 xcb_dri2_dri2_buffer_t
*buffers
;
1201 xcb_get_geometry_cookie_t geometry_cookie
;
1202 xcb_get_geometry_reply_t
*geometry_reply
;
1203 xcb_generic_error_t
*error
;
1206 drawable
= (xcb_drawable_t
) buffer
;
1207 xcb_dri2_create_drawable (dri2_dpy
->conn
, drawable
);
1208 attachments
[0] = XCB_DRI2_ATTACHMENT_BUFFER_FRONT_LEFT
;
1210 xcb_dri2_get_buffers_unchecked (dri2_dpy
->conn
,
1211 drawable
, 1, 1, attachments
);
1212 geometry_cookie
= xcb_get_geometry (dri2_dpy
->conn
, drawable
);
1213 buffers_reply
= xcb_dri2_get_buffers_reply (dri2_dpy
->conn
,
1214 buffers_cookie
, NULL
);
1215 buffers
= xcb_dri2_get_buffers_buffers (buffers_reply
);
1216 if (buffers
== NULL
) {
1220 geometry_reply
= xcb_get_geometry_reply (dri2_dpy
->conn
,
1221 geometry_cookie
, &error
);
1222 if (geometry_reply
== NULL
|| error
!= NULL
) {
1223 _eglError(EGL_BAD_ALLOC
, "xcb_get_geometry");
1225 free(buffers_reply
);
1228 switch (geometry_reply
->depth
) {
1230 format
= __DRI_IMAGE_FORMAT_RGB565
;
1233 format
= __DRI_IMAGE_FORMAT_XRGB8888
;
1236 format
= __DRI_IMAGE_FORMAT_ARGB8888
;
1239 _eglError(EGL_BAD_PARAMETER
,
1240 "dri2_create_image_khr: unsupported pixmap depth");
1241 free(buffers_reply
);
1242 free(geometry_reply
);
1246 dri2_img
= malloc(sizeof *dri2_img
);
1248 free(buffers_reply
);
1249 free(geometry_reply
);
1250 _eglError(EGL_BAD_ALLOC
, "dri2_create_image_khr");
1251 return EGL_NO_IMAGE_KHR
;
1254 if (!_eglInitImage(&dri2_img
->base
, disp
, attr_list
)) {
1255 free(buffers_reply
);
1256 free(geometry_reply
);
1257 return EGL_NO_IMAGE_KHR
;
1260 stride
= buffers
[0].pitch
/ buffers
[0].cpp
;
1261 dri2_img
->dri_image
=
1262 dri2_dpy
->image
->createImageFromName(dri2_ctx
->dri_context
,
1263 buffers_reply
->width
,
1264 buffers_reply
->height
,
1270 free(buffers_reply
);
1271 free(geometry_reply
);
1273 return &dri2_img
->base
;
1277 dri2_create_image_khr_renderbuffer(_EGLDisplay
*disp
, _EGLContext
*ctx
,
1278 EGLClientBuffer buffer
,
1279 const EGLint
*attr_list
)
1281 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1282 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
1283 struct dri2_egl_image
*dri2_img
;
1284 GLuint renderbuffer
= (GLuint
) buffer
;
1286 if (renderbuffer
== 0) {
1287 _eglError(EGL_BAD_PARAMETER
, "dri2_create_image_khr");
1288 return EGL_NO_IMAGE_KHR
;
1291 dri2_img
= malloc(sizeof *dri2_img
);
1293 _eglError(EGL_BAD_ALLOC
, "dri2_create_image_khr");
1294 return EGL_NO_IMAGE_KHR
;
1297 if (!_eglInitImage(&dri2_img
->base
, disp
, attr_list
))
1298 return EGL_NO_IMAGE_KHR
;
1300 dri2_img
->dri_image
=
1301 dri2_dpy
->image
->createImageFromRenderbuffer(dri2_ctx
->dri_context
,
1305 return &dri2_img
->base
;
1309 dri2_create_image_khr(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1310 _EGLContext
*ctx
, EGLenum target
,
1311 EGLClientBuffer buffer
, const EGLint
*attr_list
)
1314 case EGL_NATIVE_PIXMAP_KHR
:
1315 return dri2_create_image_khr_pixmap(disp
, ctx
, buffer
, attr_list
);
1316 case EGL_GL_RENDERBUFFER_KHR
:
1317 return dri2_create_image_khr_renderbuffer(disp
, ctx
, buffer
, attr_list
);
1319 _eglError(EGL_BAD_PARAMETER
, "dri2_create_image_khr");
1320 return EGL_NO_IMAGE_KHR
;
1325 dri2_destroy_image_khr(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLImage
*image
)
1327 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1328 struct dri2_egl_image
*dri2_img
= dri2_egl_image(image
);
1330 dri2_dpy
->image
->destroyImage(dri2_img
->dri_image
);
1337 * This is the main entrypoint into the driver, called by libEGL.
1338 * Create a new _EGLDriver object and init its dispatch table.
1341 _eglMain(const char *args
)
1343 struct dri2_egl_driver
*dri2_drv
;
1345 dri2_drv
= malloc(sizeof *dri2_drv
);
1349 _eglInitDriverFallbacks(&dri2_drv
->base
);
1350 dri2_drv
->base
.API
.Initialize
= dri2_initialize
;
1351 dri2_drv
->base
.API
.Terminate
= dri2_terminate
;
1352 dri2_drv
->base
.API
.CreateContext
= dri2_create_context
;
1353 dri2_drv
->base
.API
.MakeCurrent
= dri2_make_current
;
1354 dri2_drv
->base
.API
.CreateWindowSurface
= dri2_create_window_surface
;
1355 dri2_drv
->base
.API
.CreatePixmapSurface
= dri2_create_pixmap_surface
;
1356 dri2_drv
->base
.API
.CreatePbufferSurface
= dri2_create_pbuffer_surface
;
1357 dri2_drv
->base
.API
.DestroySurface
= dri2_destroy_surface
;
1358 dri2_drv
->base
.API
.SwapBuffers
= dri2_swap_buffers
;
1359 dri2_drv
->base
.API
.GetProcAddress
= dri2_get_proc_address
;
1360 dri2_drv
->base
.API
.WaitClient
= dri2_wait_client
;
1361 dri2_drv
->base
.API
.WaitNative
= dri2_wait_native
;
1362 dri2_drv
->base
.API
.CopyBuffers
= dri2_copy_buffers
;
1363 dri2_drv
->base
.API
.BindTexImage
= dri2_bind_tex_image
;
1364 dri2_drv
->base
.API
.ReleaseTexImage
= dri2_release_tex_image
;
1365 dri2_drv
->base
.API
.CreateImageKHR
= dri2_create_image_khr
;
1366 dri2_drv
->base
.API
.DestroyImageKHR
= dri2_destroy_image_khr
;
1368 dri2_drv
->base
.Name
= "DRI2";
1369 dri2_drv
->base
.Unload
= dri2_unload
;
1372 (void (*)(void)) dri2_get_proc_address(&dri2_drv
->base
, "glFlush");
1374 return &dri2_drv
->base
;