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>
43 #include <sys/types.h>
50 #include <glapi/glapi.h>
51 #include "eglconfig.h"
52 #include "eglcontext.h"
53 #include "egldisplay.h"
54 #include "egldriver.h"
55 #include "eglcurrent.h"
57 #include "eglsurface.h"
60 #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
62 struct dri2_egl_driver
66 void (*glFlush
)(void);
69 struct dri2_egl_display
71 xcb_connection_t
*conn
;
74 __DRIscreen
*dri_screen
;
75 const __DRIconfig
**driver_configs
;
77 __DRIcoreExtension
*core
;
78 __DRIdri2Extension
*dri2
;
79 __DRI2flushExtension
*flush
;
80 __DRItexBufferExtension
*tex_buffer
;
81 __DRIimageExtension
*image
;
87 __DRIdri2LoaderExtension loader_extension
;
88 const __DRIextension
*extensions
[3];
91 struct dri2_egl_context
94 __DRIcontext
*dri_context
;
97 struct dri2_egl_surface
100 __DRIdrawable
*dri_drawable
;
101 xcb_drawable_t drawable
;
102 __DRIbuffer buffers
[5];
104 xcb_xfixes_region_t region
;
109 struct dri2_egl_config
112 const __DRIconfig
*dri_config
;
115 struct dri2_egl_image
118 __DRIimage
*dri_image
;
121 /* standard typecasts */
122 _EGL_DRIVER_STANDARD_TYPECASTS(dri2_egl
)
123 _EGL_DRIVER_TYPECAST(dri2_egl_image
, _EGLImage
, obj
)
125 static const __DRIuseInvalidateExtension use_invalidate
= {
126 { __DRI_USE_INVALIDATE
, 1 }
129 EGLint dri2_to_egl_attribute_map
[] = {
131 EGL_BUFFER_SIZE
, /* __DRI_ATTRIB_BUFFER_SIZE */
132 EGL_LEVEL
, /* __DRI_ATTRIB_LEVEL */
133 EGL_RED_SIZE
, /* __DRI_ATTRIB_RED_SIZE */
134 EGL_GREEN_SIZE
, /* __DRI_ATTRIB_GREEN_SIZE */
135 EGL_BLUE_SIZE
, /* __DRI_ATTRIB_BLUE_SIZE */
136 EGL_LUMINANCE_SIZE
, /* __DRI_ATTRIB_LUMINANCE_SIZE */
137 EGL_ALPHA_SIZE
, /* __DRI_ATTRIB_ALPHA_SIZE */
138 0, /* __DRI_ATTRIB_ALPHA_MASK_SIZE */
139 EGL_DEPTH_SIZE
, /* __DRI_ATTRIB_DEPTH_SIZE */
140 EGL_STENCIL_SIZE
, /* __DRI_ATTRIB_STENCIL_SIZE */
141 0, /* __DRI_ATTRIB_ACCUM_RED_SIZE */
142 0, /* __DRI_ATTRIB_ACCUM_GREEN_SIZE */
143 0, /* __DRI_ATTRIB_ACCUM_BLUE_SIZE */
144 0, /* __DRI_ATTRIB_ACCUM_ALPHA_SIZE */
145 EGL_SAMPLE_BUFFERS
, /* __DRI_ATTRIB_SAMPLE_BUFFERS */
146 EGL_SAMPLES
, /* __DRI_ATTRIB_SAMPLES */
147 0, /* __DRI_ATTRIB_RENDER_TYPE, */
148 0, /* __DRI_ATTRIB_CONFIG_CAVEAT */
149 0, /* __DRI_ATTRIB_CONFORMANT */
150 0, /* __DRI_ATTRIB_DOUBLE_BUFFER */
151 0, /* __DRI_ATTRIB_STEREO */
152 0, /* __DRI_ATTRIB_AUX_BUFFERS */
153 0, /* __DRI_ATTRIB_TRANSPARENT_TYPE */
154 0, /* __DRI_ATTRIB_TRANSPARENT_INDEX_VALUE */
155 0, /* __DRI_ATTRIB_TRANSPARENT_RED_VALUE */
156 0, /* __DRI_ATTRIB_TRANSPARENT_GREEN_VALUE */
157 0, /* __DRI_ATTRIB_TRANSPARENT_BLUE_VALUE */
158 0, /* __DRI_ATTRIB_TRANSPARENT_ALPHA_VALUE */
159 0, /* __DRI_ATTRIB_FLOAT_MODE */
160 0, /* __DRI_ATTRIB_RED_MASK */
161 0, /* __DRI_ATTRIB_GREEN_MASK */
162 0, /* __DRI_ATTRIB_BLUE_MASK */
163 0, /* __DRI_ATTRIB_ALPHA_MASK */
164 EGL_MAX_PBUFFER_WIDTH
, /* __DRI_ATTRIB_MAX_PBUFFER_WIDTH */
165 EGL_MAX_PBUFFER_HEIGHT
, /* __DRI_ATTRIB_MAX_PBUFFER_HEIGHT */
166 EGL_MAX_PBUFFER_PIXELS
, /* __DRI_ATTRIB_MAX_PBUFFER_PIXELS */
167 0, /* __DRI_ATTRIB_OPTIMAL_PBUFFER_WIDTH */
168 0, /* __DRI_ATTRIB_OPTIMAL_PBUFFER_HEIGHT */
169 0, /* __DRI_ATTRIB_VISUAL_SELECT_GROUP */
170 0, /* __DRI_ATTRIB_SWAP_METHOD */
171 EGL_MAX_SWAP_INTERVAL
, /* __DRI_ATTRIB_MAX_SWAP_INTERVAL */
172 EGL_MIN_SWAP_INTERVAL
, /* __DRI_ATTRIB_MIN_SWAP_INTERVAL */
173 0, /* __DRI_ATTRIB_BIND_TO_TEXTURE_RGB */
174 0, /* __DRI_ATTRIB_BIND_TO_TEXTURE_RGBA */
175 0, /* __DRI_ATTRIB_BIND_TO_MIPMAP_TEXTURE */
176 0, /* __DRI_ATTRIB_BIND_TO_TEXTURE_TARGETS */
177 EGL_Y_INVERTED_NOK
, /* __DRI_ATTRIB_YINVERTED */
180 static struct dri2_egl_config
*
181 dri2_add_config(_EGLDisplay
*disp
, const __DRIconfig
*dri_config
, int id
,
182 int depth
, EGLint surface_type
)
184 struct dri2_egl_config
*conf
;
185 struct dri2_egl_display
*dri2_dpy
;
187 unsigned int attrib
, value
, double_buffer
;
188 EGLint key
, bind_to_texture_rgb
, bind_to_texture_rgba
;
191 dri2_dpy
= disp
->DriverData
;
192 _eglInitConfig(&base
, disp
, id
);
196 bind_to_texture_rgb
= 0;
197 bind_to_texture_rgba
= 0;
199 while (dri2_dpy
->core
->indexConfigAttrib(dri_config
, i
++, &attrib
, &value
)) {
201 case __DRI_ATTRIB_RENDER_TYPE
:
202 if (value
& __DRI_ATTRIB_RGBA_BIT
)
203 value
= EGL_RGB_BUFFER
;
204 else if (value
& __DRI_ATTRIB_LUMINANCE_BIT
)
205 value
= EGL_LUMINANCE_BUFFER
;
208 _eglSetConfigKey(&base
, EGL_COLOR_BUFFER_TYPE
, value
);
211 case __DRI_ATTRIB_CONFIG_CAVEAT
:
212 if (value
& __DRI_ATTRIB_NON_CONFORMANT_CONFIG
)
213 value
= EGL_NON_CONFORMANT_CONFIG
;
214 else if (value
& __DRI_ATTRIB_SLOW_BIT
)
215 value
= EGL_SLOW_CONFIG
;
218 _eglSetConfigKey(&base
, EGL_CONFIG_CAVEAT
, value
);
221 case __DRI_ATTRIB_BIND_TO_TEXTURE_RGB
:
222 bind_to_texture_rgb
= value
;
225 case __DRI_ATTRIB_BIND_TO_TEXTURE_RGBA
:
226 bind_to_texture_rgba
= value
;
229 case __DRI_ATTRIB_DOUBLE_BUFFER
:
230 double_buffer
= value
;
234 key
= dri2_to_egl_attribute_map
[attrib
];
236 _eglSetConfigKey(&base
, key
, value
);
241 /* In EGL, double buffer or not isn't a config attribute. Pixmaps
242 * surfaces are always single buffered, pbuffer surfaces are always
243 * back buffers and windows can be either, selected by passing an
244 * attribute at window surface construction time. To support this
245 * we ignore all double buffer configs and manipulate the buffer we
246 * return in the getBuffer callback to get the behaviour we want. */
251 if (depth
> 0 && depth
!= base
.BufferSize
)
254 base
.NativeRenderable
= EGL_TRUE
;
256 base
.SurfaceType
= surface_type
;
257 if (surface_type
& (EGL_PIXMAP_BIT
| EGL_PBUFFER_BIT
)) {
258 base
.BindToTextureRGB
= bind_to_texture_rgb
;
259 if (base
.AlphaSize
> 0)
260 base
.BindToTextureRGBA
= bind_to_texture_rgba
;
263 base
.RenderableType
= disp
->ClientAPIsMask
;
264 base
.Conformant
= disp
->ClientAPIsMask
;
266 if (!_eglValidateConfig(&base
, EGL_FALSE
)) {
267 _eglLog(_EGL_DEBUG
, "DRI2: failed to validate config %d", id
);
271 conf
= malloc(sizeof *conf
);
273 memcpy(&conf
->base
, &base
, sizeof base
);
274 conf
->dri_config
= dri_config
;
275 _eglLinkConfig(&conf
->base
);
282 * Process list of buffer received from the server
284 * Processes the list of buffers received in a reply from the server to either
285 * \c DRI2GetBuffers or \c DRI2GetBuffersWithFormat.
288 dri2_process_buffers(struct dri2_egl_surface
*dri2_surf
,
289 xcb_dri2_dri2_buffer_t
*buffers
, unsigned count
)
291 struct dri2_egl_display
*dri2_dpy
=
292 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
293 xcb_rectangle_t rectangle
;
296 dri2_surf
->buffer_count
= count
;
297 dri2_surf
->have_fake_front
= 0;
299 /* This assumes the DRI2 buffer attachment tokens matches the
300 * __DRIbuffer tokens. */
301 for (i
= 0; i
< count
; i
++) {
302 dri2_surf
->buffers
[i
].attachment
= buffers
[i
].attachment
;
303 dri2_surf
->buffers
[i
].name
= buffers
[i
].name
;
304 dri2_surf
->buffers
[i
].pitch
= buffers
[i
].pitch
;
305 dri2_surf
->buffers
[i
].cpp
= buffers
[i
].cpp
;
306 dri2_surf
->buffers
[i
].flags
= buffers
[i
].flags
;
308 /* We only use the DRI drivers single buffer configs. This
309 * means that if we try to render to a window, DRI2 will give us
310 * the fake front buffer, which we'll use as a back buffer.
311 * Note that EGL doesn't require that several clients rendering
312 * to the same window must see the same aux buffers. */
313 if (dri2_surf
->buffers
[i
].attachment
== __DRI_BUFFER_FAKE_FRONT_LEFT
)
314 dri2_surf
->have_fake_front
= 1;
317 if (dri2_surf
->region
!= XCB_NONE
)
318 xcb_xfixes_destroy_region(dri2_dpy
->conn
, dri2_surf
->region
);
322 rectangle
.width
= dri2_surf
->base
.Width
;
323 rectangle
.height
= dri2_surf
->base
.Height
;
324 dri2_surf
->region
= xcb_generate_id(dri2_dpy
->conn
);
325 xcb_xfixes_create_region(dri2_dpy
->conn
, dri2_surf
->region
, 1, &rectangle
);
329 dri2_get_buffers(__DRIdrawable
* driDrawable
,
330 int *width
, int *height
,
331 unsigned int *attachments
, int count
,
332 int *out_count
, void *loaderPrivate
)
334 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
335 struct dri2_egl_display
*dri2_dpy
=
336 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
337 xcb_dri2_dri2_buffer_t
*buffers
;
338 xcb_dri2_get_buffers_reply_t
*reply
;
339 xcb_dri2_get_buffers_cookie_t cookie
;
343 cookie
= xcb_dri2_get_buffers_unchecked (dri2_dpy
->conn
,
345 count
, count
, attachments
);
346 reply
= xcb_dri2_get_buffers_reply (dri2_dpy
->conn
, cookie
, NULL
);
347 buffers
= xcb_dri2_get_buffers_buffers (reply
);
351 *out_count
= reply
->count
;
352 dri2_surf
->base
.Width
= *width
= reply
->width
;
353 dri2_surf
->base
.Height
= *height
= reply
->height
;
354 dri2_process_buffers(dri2_surf
, buffers
, *out_count
);
358 return dri2_surf
->buffers
;
362 dri2_flush_front_buffer(__DRIdrawable
* driDrawable
, void *loaderPrivate
)
366 /* FIXME: Does EGL support front buffer rendering at all? */
369 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
371 dri2WaitGL(dri2_surf
);
373 (void) loaderPrivate
;
378 dri2_lookup_egl_image(__DRIscreen
*screen
, void *image
, void *data
)
380 _EGLDisplay
*disp
= data
;
381 struct dri2_egl_image
*dri2_img
;
386 img
= _eglLookupImage(image
, disp
);
388 _eglError(EGL_BAD_PARAMETER
, "dri2_lookup_egl_image");
392 dri2_img
= dri2_egl_image(image
);
394 return dri2_img
->dri_image
;
397 static const __DRIimageLookupExtension image_lookup_extension
= {
398 { __DRI_IMAGE_LOOKUP
, 1 },
399 dri2_lookup_egl_image
403 dri2_get_buffers_with_format(__DRIdrawable
* driDrawable
,
404 int *width
, int *height
,
405 unsigned int *attachments
, int count
,
406 int *out_count
, void *loaderPrivate
)
408 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
409 struct dri2_egl_display
*dri2_dpy
=
410 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
411 xcb_dri2_dri2_buffer_t
*buffers
;
412 xcb_dri2_get_buffers_with_format_reply_t
*reply
;
413 xcb_dri2_get_buffers_with_format_cookie_t cookie
;
414 xcb_dri2_attach_format_t
*format_attachments
;
418 format_attachments
= (xcb_dri2_attach_format_t
*) attachments
;
419 cookie
= xcb_dri2_get_buffers_with_format_unchecked (dri2_dpy
->conn
,
424 reply
= xcb_dri2_get_buffers_with_format_reply (dri2_dpy
->conn
,
429 buffers
= xcb_dri2_get_buffers_with_format_buffers (reply
);
430 dri2_surf
->base
.Width
= *width
= reply
->width
;
431 dri2_surf
->base
.Height
= *height
= reply
->height
;
432 *out_count
= reply
->count
;
433 dri2_process_buffers(dri2_surf
, buffers
, *out_count
);
437 return dri2_surf
->buffers
;
440 static const char dri_driver_path
[] = DEFAULT_DRIVER_DIR
;
442 struct dri2_extension_match
{
448 static struct dri2_extension_match dri2_driver_extensions
[] = {
449 { __DRI_CORE
, 1, offsetof(struct dri2_egl_display
, core
) },
450 { __DRI_DRI2
, 1, offsetof(struct dri2_egl_display
, dri2
) },
454 static struct dri2_extension_match dri2_core_extensions
[] = {
455 { __DRI2_FLUSH
, 1, offsetof(struct dri2_egl_display
, flush
) },
456 { __DRI_TEX_BUFFER
, 2, offsetof(struct dri2_egl_display
, tex_buffer
) },
457 { __DRI_IMAGE
, 1, offsetof(struct dri2_egl_display
, image
) },
462 dri2_bind_extensions(struct dri2_egl_display
*dri2_dpy
,
463 struct dri2_extension_match
*matches
,
464 const __DRIextension
**extensions
)
466 int i
, j
, ret
= EGL_TRUE
;
469 for (i
= 0; extensions
[i
]; i
++) {
470 _eglLog(_EGL_DEBUG
, "DRI2: found extension `%s'", extensions
[i
]->name
);
471 for (j
= 0; matches
[j
].name
; j
++) {
472 if (strcmp(extensions
[i
]->name
, matches
[j
].name
) == 0 &&
473 extensions
[i
]->version
>= matches
[j
].version
) {
474 field
= ((char *) dri2_dpy
+ matches
[j
].offset
);
475 *(const __DRIextension
**) field
= extensions
[i
];
476 _eglLog(_EGL_INFO
, "DRI2: found extension %s version %d",
477 extensions
[i
]->name
, extensions
[i
]->version
);
482 for (j
= 0; matches
[j
].name
; j
++) {
483 field
= ((char *) dri2_dpy
+ matches
[j
].offset
);
484 if (*(const __DRIextension
**) field
== NULL
) {
485 _eglLog(_EGL_FATAL
, "DRI2: did not find extension %s version %d",
486 matches
[j
].name
, matches
[j
].version
);
495 dri2_strndup(const char *s
, int length
)
499 d
= malloc(length
+ 1);
503 memcpy(d
, s
, length
);
510 dri2_connect(struct dri2_egl_display
*dri2_dpy
)
512 xcb_xfixes_query_version_reply_t
*xfixes_query
;
513 xcb_xfixes_query_version_cookie_t xfixes_query_cookie
;
514 xcb_dri2_query_version_reply_t
*dri2_query
;
515 xcb_dri2_query_version_cookie_t dri2_query_cookie
;
516 xcb_dri2_connect_reply_t
*connect
;
517 xcb_dri2_connect_cookie_t connect_cookie
;
518 xcb_generic_error_t
*error
;
519 xcb_screen_iterator_t s
;
521 xcb_prefetch_extension_data (dri2_dpy
->conn
, &xcb_xfixes_id
);
522 xcb_prefetch_extension_data (dri2_dpy
->conn
, &xcb_dri2_id
);
524 xfixes_query_cookie
= xcb_xfixes_query_version(dri2_dpy
->conn
,
525 XCB_XFIXES_MAJOR_VERSION
,
526 XCB_XFIXES_MINOR_VERSION
);
528 dri2_query_cookie
= xcb_dri2_query_version (dri2_dpy
->conn
,
529 XCB_DRI2_MAJOR_VERSION
,
530 XCB_DRI2_MINOR_VERSION
);
532 s
= xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy
->conn
));
533 connect_cookie
= xcb_dri2_connect_unchecked (dri2_dpy
->conn
,
535 XCB_DRI2_DRIVER_TYPE_DRI
);
538 xcb_xfixes_query_version_reply (dri2_dpy
->conn
,
539 xfixes_query_cookie
, &error
);
540 if (xfixes_query
== NULL
||
541 error
!= NULL
|| xfixes_query
->major_version
< 2) {
542 _eglLog(_EGL_FATAL
, "DRI2: failed to query xfixes version");
549 xcb_dri2_query_version_reply (dri2_dpy
->conn
, dri2_query_cookie
, &error
);
550 if (dri2_query
== NULL
|| error
!= NULL
) {
551 _eglLog(_EGL_FATAL
, "DRI2: failed to query version");
555 dri2_dpy
->dri2_major
= dri2_query
->major_version
;
556 dri2_dpy
->dri2_minor
= dri2_query
->minor_version
;
559 connect
= xcb_dri2_connect_reply (dri2_dpy
->conn
, connect_cookie
, NULL
);
560 if (connect
== NULL
||
561 connect
->driver_name_length
+ connect
->device_name_length
== 0) {
562 _eglLog(_EGL_FATAL
, "DRI2: failed to authenticate");
566 dri2_dpy
->device_name
=
567 dri2_strndup(xcb_dri2_connect_device_name (connect
),
568 xcb_dri2_connect_device_name_length (connect
));
570 dri2_dpy
->driver_name
=
571 dri2_strndup(xcb_dri2_connect_driver_name (connect
),
572 xcb_dri2_connect_driver_name_length (connect
));
574 if (dri2_dpy
->device_name
== NULL
|| dri2_dpy
->driver_name
== NULL
) {
575 free(dri2_dpy
->device_name
);
576 free(dri2_dpy
->driver_name
);
586 dri2_authenticate(struct dri2_egl_display
*dri2_dpy
)
588 xcb_dri2_authenticate_reply_t
*authenticate
;
589 xcb_dri2_authenticate_cookie_t authenticate_cookie
;
590 xcb_screen_iterator_t s
;
593 if (drmGetMagic(dri2_dpy
->fd
, &magic
)) {
594 _eglLog(_EGL_FATAL
, "DRI2: failed to get drm magic");
598 s
= xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy
->conn
));
599 authenticate_cookie
=
600 xcb_dri2_authenticate_unchecked(dri2_dpy
->conn
, s
.data
->root
, magic
);
602 xcb_dri2_authenticate_reply(dri2_dpy
->conn
, authenticate_cookie
, NULL
);
603 if (authenticate
== NULL
|| !authenticate
->authenticated
) {
604 _eglLog(_EGL_FATAL
, "DRI2: failed to authenticate");
615 dri2_add_configs_for_visuals(struct dri2_egl_display
*dri2_dpy
,
618 xcb_screen_iterator_t s
;
619 xcb_depth_iterator_t d
;
620 xcb_visualtype_t
*visuals
;
622 struct dri2_egl_config
*conf
;
625 s
= xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy
->conn
));
626 d
= xcb_screen_allowed_depths_iterator(s
.data
);
633 EGL_SWAP_BEHAVIOR_PRESERVED_BIT
;
636 EGLBoolean class_added
[6] = { 0, };
638 visuals
= xcb_depth_visuals(d
.data
);
639 for (i
= 0; i
< xcb_depth_visuals_length(d
.data
); i
++) {
640 if (class_added
[visuals
[i
]._class
])
643 class_added
[visuals
[i
]._class
] = EGL_TRUE
;
644 for (j
= 0; dri2_dpy
->driver_configs
[j
]; j
++) {
645 conf
= dri2_add_config(disp
, dri2_dpy
->driver_configs
[j
],
646 id
++, d
.data
->depth
, surface_type
);
649 _eglSetConfigKey(&conf
->base
,
650 EGL_NATIVE_VISUAL_ID
, visuals
[i
].visual_id
);
651 _eglSetConfigKey(&conf
->base
,
652 EGL_NATIVE_VISUAL_TYPE
, visuals
[i
]._class
);
659 if (!_eglGetArraySize(disp
->Configs
)) {
660 _eglLog(_EGL_WARNING
, "DRI2: failed to create any config");
668 dri2_load_driver(_EGLDisplay
*disp
)
670 struct dri2_egl_display
*dri2_dpy
= disp
->DriverData
;
671 const __DRIextension
**extensions
;
672 char path
[PATH_MAX
], *search_paths
, *p
, *next
, *end
;
675 if (geteuid() == getuid()) {
676 /* don't allow setuid apps to use LIBGL_DRIVERS_PATH */
677 search_paths
= getenv("LIBGL_DRIVERS_PATH");
679 if (search_paths
== NULL
)
680 search_paths
= DEFAULT_DRIVER_DIR
;
682 dri2_dpy
->driver
= NULL
;
683 end
= search_paths
+ strlen(search_paths
);
684 for (p
= search_paths
; p
< end
&& dri2_dpy
->driver
== NULL
; p
= next
+ 1) {
686 next
= strchr(p
, ':');
692 snprintf(path
, sizeof path
,
693 "%.*s/tls/%s_dri.so", len
, p
, dri2_dpy
->driver_name
);
694 dri2_dpy
->driver
= dlopen(path
, RTLD_NOW
| RTLD_GLOBAL
);
696 if (dri2_dpy
->driver
== NULL
) {
697 snprintf(path
, sizeof path
,
698 "%.*s/%s_dri.so", len
, p
, dri2_dpy
->driver_name
);
699 dri2_dpy
->driver
= dlopen(path
, RTLD_NOW
| RTLD_GLOBAL
);
700 if (dri2_dpy
->driver
== NULL
)
701 _eglLog(_EGL_DEBUG
, "failed to open %s: %s\n", path
, dlerror());
705 if (dri2_dpy
->driver
== NULL
) {
706 _eglLog(_EGL_WARNING
,
707 "DRI2: failed to open any driver (search paths %s)",
712 _eglLog(_EGL_DEBUG
, "DRI2: dlopen(%s)", path
);
713 extensions
= dlsym(dri2_dpy
->driver
, __DRI_DRIVER_EXTENSIONS
);
714 if (extensions
== NULL
) {
715 _eglLog(_EGL_WARNING
,
716 "DRI2: driver exports no extensions (%s)", dlerror());
717 dlclose(dri2_dpy
->driver
);
721 if (!dri2_bind_extensions(dri2_dpy
, dri2_driver_extensions
, extensions
)) {
722 dlclose(dri2_dpy
->driver
);
730 dri2_create_screen(_EGLDisplay
*disp
)
732 const __DRIextension
**extensions
;
733 struct dri2_egl_display
*dri2_dpy
;
734 unsigned int api_mask
;
736 dri2_dpy
= disp
->DriverData
;
737 dri2_dpy
->dri_screen
=
738 dri2_dpy
->dri2
->createNewScreen(0, dri2_dpy
->fd
, dri2_dpy
->extensions
,
739 &dri2_dpy
->driver_configs
, disp
);
741 if (dri2_dpy
->dri_screen
== NULL
) {
742 _eglLog(_EGL_WARNING
, "DRI2: failed to create dri screen");
746 extensions
= dri2_dpy
->core
->getExtensions(dri2_dpy
->dri_screen
);
747 if (!dri2_bind_extensions(dri2_dpy
, dri2_core_extensions
, extensions
))
748 goto cleanup_dri_screen
;
750 if (dri2_dpy
->dri2
->base
.version
>= 2)
751 api_mask
= dri2_dpy
->dri2
->getAPIMask(dri2_dpy
->dri_screen
);
753 api_mask
= __DRI_API_OPENGL
;
755 disp
->ClientAPIsMask
= 0;
756 if (api_mask
& (1 <<__DRI_API_OPENGL
))
757 disp
->ClientAPIsMask
|= EGL_OPENGL_BIT
;
758 if (api_mask
& (1 <<__DRI_API_GLES
))
759 disp
->ClientAPIsMask
|= EGL_OPENGL_ES_BIT
;
760 if (api_mask
& (1 << __DRI_API_GLES2
))
761 disp
->ClientAPIsMask
|= EGL_OPENGL_ES2_BIT
;
763 if (dri2_dpy
->dri2
->base
.version
>= 2) {
764 disp
->Extensions
.KHR_surfaceless_gles1
= EGL_TRUE
;
765 disp
->Extensions
.KHR_surfaceless_gles2
= EGL_TRUE
;
766 disp
->Extensions
.KHR_surfaceless_opengl
= EGL_TRUE
;
772 dri2_dpy
->core
->destroyScreen(dri2_dpy
->dri_screen
);
778 dri2_initialize_x11(_EGLDriver
*drv
, _EGLDisplay
*disp
,
779 EGLint
*major
, EGLint
*minor
)
781 struct dri2_egl_display
*dri2_dpy
;
785 dri2_dpy
= malloc(sizeof *dri2_dpy
);
787 return _eglError(EGL_BAD_ALLOC
, "eglInitialize");
789 disp
->DriverData
= (void *) dri2_dpy
;
790 if (disp
->PlatformDisplay
== NULL
) {
791 dri2_dpy
->conn
= xcb_connect(0, 0);
793 dri2_dpy
->conn
= XGetXCBConnection((Display
*) disp
->PlatformDisplay
);
796 if (xcb_connection_has_error(dri2_dpy
->conn
)) {
797 _eglLog(_EGL_WARNING
, "DRI2: xcb_connect failed");
801 if (dri2_dpy
->conn
) {
802 if (!dri2_connect(dri2_dpy
))
806 if (!dri2_load_driver(disp
))
809 dri2_dpy
->fd
= open(dri2_dpy
->device_name
, O_RDWR
);
810 if (dri2_dpy
->fd
== -1) {
811 _eglLog(_EGL_WARNING
,
812 "DRI2: could not open %s (%s)", dri2_dpy
->device_name
,
817 if (dri2_dpy
->conn
) {
818 if (!dri2_authenticate(dri2_dpy
))
822 if (dri2_dpy
->dri2_minor
>= 1) {
823 dri2_dpy
->loader_extension
.base
.name
= __DRI_DRI2_LOADER
;
824 dri2_dpy
->loader_extension
.base
.version
= 3;
825 dri2_dpy
->loader_extension
.getBuffers
= dri2_get_buffers
;
826 dri2_dpy
->loader_extension
.flushFrontBuffer
= dri2_flush_front_buffer
;
827 dri2_dpy
->loader_extension
.getBuffersWithFormat
=
828 dri2_get_buffers_with_format
;
830 dri2_dpy
->loader_extension
.base
.name
= __DRI_DRI2_LOADER
;
831 dri2_dpy
->loader_extension
.base
.version
= 2;
832 dri2_dpy
->loader_extension
.getBuffers
= dri2_get_buffers
;
833 dri2_dpy
->loader_extension
.flushFrontBuffer
= dri2_flush_front_buffer
;
834 dri2_dpy
->loader_extension
.getBuffersWithFormat
= NULL
;
837 dri2_dpy
->extensions
[0] = &dri2_dpy
->loader_extension
.base
;
838 dri2_dpy
->extensions
[1] = &image_lookup_extension
.base
;
839 dri2_dpy
->extensions
[2] = NULL
;
841 if (!dri2_create_screen(disp
))
844 if (dri2_dpy
->conn
) {
845 if (!dri2_add_configs_for_visuals(dri2_dpy
, disp
))
846 goto cleanup_configs
;
849 disp
->Extensions
.MESA_drm_image
= EGL_TRUE
;
850 disp
->Extensions
.KHR_image_base
= EGL_TRUE
;
851 disp
->Extensions
.KHR_image_pixmap
= EGL_TRUE
;
852 disp
->Extensions
.KHR_gl_renderbuffer_image
= EGL_TRUE
;
853 disp
->Extensions
.KHR_gl_texture_2D_image
= EGL_TRUE
;
854 disp
->Extensions
.NOK_swap_region
= EGL_TRUE
;
855 disp
->Extensions
.NOK_texture_from_pixmap
= EGL_TRUE
;
857 /* we're supporting EGL 1.4 */
864 _eglCleanupDisplay(disp
);
865 dri2_dpy
->core
->destroyScreen(dri2_dpy
->dri_screen
);
869 dlclose(dri2_dpy
->driver
);
871 if (disp
->PlatformDisplay
== NULL
)
872 xcb_disconnect(dri2_dpy
->conn
);
881 struct dri2_driver_map
{
888 const int i915_chip_ids
[] = {
889 0x3577, /* PCI_CHIP_I830_M */
890 0x2562, /* PCI_CHIP_845_G */
891 0x3582, /* PCI_CHIP_I855_GM */
892 0x2572, /* PCI_CHIP_I865_G */
893 0x2582, /* PCI_CHIP_I915_G */
894 0x258a, /* PCI_CHIP_E7221_G */
895 0x2592, /* PCI_CHIP_I915_GM */
896 0x2772, /* PCI_CHIP_I945_G */
897 0x27a2, /* PCI_CHIP_I945_GM */
898 0x27ae, /* PCI_CHIP_I945_GME */
899 0x29b2, /* PCI_CHIP_Q35_G */
900 0x29c2, /* PCI_CHIP_G33_G */
901 0x29d2, /* PCI_CHIP_Q33_G */
902 0xa011, /* Pineview */
905 const int i965_chip_ids
[] = {
906 0x29a2, /* PCI_CHIP_I965_G */
907 0x2992, /* PCI_CHIP_I965_Q */
908 0x2982, /* PCI_CHIP_I965_G_1 */
909 0x2972, /* PCI_CHIP_I946_GZ */
910 0x2a02, /* PCI_CHIP_I965_GM */
911 0x2a12, /* PCI_CHIP_I965_GME */
912 0x2a42, /* PCI_CHIP_GM45_GM */
913 0x2e02, /* PCI_CHIP_IGD_E_G */
914 0x2e12, /* PCI_CHIP_Q45_G */
915 0x2e22, /* PCI_CHIP_G45_G */
916 0x2e32, /* PCI_CHIP_G41_G */
919 const struct dri2_driver_map driver_map
[] = {
920 { 0x8086, "i915", i915_chip_ids
, ARRAY_SIZE(i915_chip_ids
) },
921 { 0x8086, "i965", i965_chip_ids
, ARRAY_SIZE(i965_chip_ids
) },
925 dri2_get_driver_for_fd(int fd
)
928 struct udev_device
*device
, *parent
;
932 int vendor_id
, chip_id
, i
, j
;
935 if (fstat(fd
, &buf
) < 0) {
936 _eglLog(_EGL_WARNING
, "EGL-DRI2: failed to stat fd %d", fd
);
940 device
= udev_device_new_from_devnum(udev
, 'c', buf
.st_rdev
);
941 if (device
== NULL
) {
942 _eglLog(_EGL_WARNING
,
943 "EGL-DRI2: could not create udev device for fd %d", fd
);
947 parent
= udev_device_get_parent(device
);
948 if (parent
== NULL
) {
949 _eglLog(_EGL_WARNING
, "DRI2: could not get parent device");
953 pci_id
= udev_device_get_property_value(parent
, "PCI_ID");
954 if (pci_id
== NULL
|| sscanf(pci_id
, "%x:%x", &vendor_id
, &chip_id
) != 2) {
955 _eglLog(_EGL_WARNING
, "EGL-DRI2: malformed or no PCI ID");
959 for (i
= 0; i
< ARRAY_SIZE(driver_map
); i
++) {
960 if (vendor_id
!= driver_map
[i
].vendor_id
)
962 for (j
= 0; j
< driver_map
[i
].num_chips_ids
; j
++)
963 if (driver_map
[i
].chip_ids
[j
] == chip_id
) {
964 driver
= strdup(driver_map
[i
].driver
);
965 _eglLog(_EGL_DEBUG
, "pci id for %d: %04x:%04x, driver %s",
966 fd
, vendor_id
, chip_id
, driver
);
972 udev_device_unref(device
);
979 dri2_initialize_drm(_EGLDriver
*drv
, _EGLDisplay
*disp
,
980 EGLint
*major
, EGLint
*minor
)
982 struct dri2_egl_display
*dri2_dpy
;
985 dri2_dpy
= malloc(sizeof *dri2_dpy
);
987 return _eglError(EGL_BAD_ALLOC
, "eglInitialize");
989 disp
->DriverData
= (void *) dri2_dpy
;
990 dri2_dpy
->fd
= (int) disp
->PlatformDisplay
;
992 dri2_dpy
->driver_name
= dri2_get_driver_for_fd(dri2_dpy
->fd
);
993 if (dri2_dpy
->driver_name
== NULL
)
994 return _eglError(EGL_BAD_ALLOC
, "DRI2: failed to get driver name");
996 if (!dri2_load_driver(disp
))
997 goto cleanup_driver_name
;
999 dri2_dpy
->extensions
[0] = &image_lookup_extension
.base
;
1000 dri2_dpy
->extensions
[1] = &use_invalidate
.base
;
1001 dri2_dpy
->extensions
[2] = NULL
;
1003 if (!dri2_create_screen(disp
))
1004 goto cleanup_driver
;
1006 for (i
= 0; dri2_dpy
->driver_configs
[i
]; i
++)
1007 dri2_add_config(disp
, dri2_dpy
->driver_configs
[i
], i
+ 1, 0, 0);
1009 disp
->Extensions
.MESA_drm_image
= EGL_TRUE
;
1010 disp
->Extensions
.KHR_image_base
= EGL_TRUE
;
1011 disp
->Extensions
.KHR_gl_renderbuffer_image
= EGL_TRUE
;
1012 disp
->Extensions
.KHR_gl_texture_2D_image
= EGL_TRUE
;
1014 /* we're supporting EGL 1.4 */
1021 dlclose(dri2_dpy
->driver
);
1022 cleanup_driver_name
:
1023 free(dri2_dpy
->driver_name
);
1031 * Called via eglInitialize(), GLX_drv->API.Initialize().
1034 dri2_initialize(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1035 EGLint
*major
, EGLint
*minor
)
1037 switch (disp
->Platform
) {
1038 case _EGL_PLATFORM_X11
:
1039 return dri2_initialize_x11(drv
, disp
, major
, minor
);
1042 case _EGL_PLATFORM_DRM
:
1043 return dri2_initialize_drm(drv
, disp
, major
, minor
);
1052 * Called via eglTerminate(), drv->API.Terminate().
1055 dri2_terminate(_EGLDriver
*drv
, _EGLDisplay
*disp
)
1057 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1059 _eglReleaseDisplayResources(drv
, disp
);
1060 _eglCleanupDisplay(disp
);
1062 dri2_dpy
->core
->destroyScreen(dri2_dpy
->dri_screen
);
1063 close(dri2_dpy
->fd
);
1064 dlclose(dri2_dpy
->driver
);
1065 if (disp
->PlatformDisplay
== NULL
)
1066 xcb_disconnect(dri2_dpy
->conn
);
1068 disp
->DriverData
= NULL
;
1075 * Called via eglCreateContext(), drv->API.CreateContext().
1077 static _EGLContext
*
1078 dri2_create_context(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLConfig
*conf
,
1079 _EGLContext
*share_list
, const EGLint
*attrib_list
)
1081 struct dri2_egl_context
*dri2_ctx
;
1082 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1083 struct dri2_egl_context
*dri2_ctx_shared
= dri2_egl_context(share_list
);
1084 struct dri2_egl_config
*dri2_config
= dri2_egl_config(conf
);
1085 const __DRIconfig
*dri_config
;
1090 dri2_ctx
= malloc(sizeof *dri2_ctx
);
1092 _eglError(EGL_BAD_ALLOC
, "eglCreateContext");
1096 if (!_eglInitContext(&dri2_ctx
->base
, disp
, conf
, attrib_list
))
1099 switch (dri2_ctx
->base
.ClientAPI
) {
1100 case EGL_OPENGL_ES_API
:
1101 switch (dri2_ctx
->base
.ClientVersion
) {
1103 api
= __DRI_API_GLES
;
1106 api
= __DRI_API_GLES2
;
1109 _eglError(EGL_BAD_PARAMETER
, "eglCreateContext");
1113 case EGL_OPENGL_API
:
1114 api
= __DRI_API_OPENGL
;
1117 _eglError(EGL_BAD_PARAMETER
, "eglCreateContext");
1122 dri_config
= dri2_config
->dri_config
;
1126 if (dri2_dpy
->dri2
->base
.version
>= 2) {
1127 dri2_ctx
->dri_context
=
1128 dri2_dpy
->dri2
->createNewContextForAPI(dri2_dpy
->dri_screen
,
1132 dri2_ctx_shared
->dri_context
: NULL
,
1134 } else if (api
== __DRI_API_OPENGL
) {
1135 dri2_ctx
->dri_context
=
1136 dri2_dpy
->dri2
->createNewContext(dri2_dpy
->dri_screen
,
1137 dri2_config
->dri_config
,
1139 dri2_ctx_shared
->dri_context
: NULL
,
1145 if (!dri2_ctx
->dri_context
)
1148 return &dri2_ctx
->base
;
1156 dri2_destroy_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
)
1158 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1159 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
1163 if (!_eglPutSurface(surf
))
1166 (*dri2_dpy
->core
->destroyDrawable
)(dri2_surf
->dri_drawable
);
1168 xcb_dri2_destroy_drawable (dri2_dpy
->conn
, dri2_surf
->drawable
);
1170 if (surf
->Type
== EGL_PBUFFER_BIT
)
1171 xcb_free_pixmap (dri2_dpy
->conn
, dri2_surf
->drawable
);
1179 * Called via eglMakeCurrent(), drv->API.MakeCurrent().
1182 dri2_make_current(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*dsurf
,
1183 _EGLSurface
*rsurf
, _EGLContext
*ctx
)
1185 struct dri2_egl_driver
*dri2_drv
= dri2_egl_driver(drv
);
1186 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1187 struct dri2_egl_surface
*dri2_dsurf
= dri2_egl_surface(dsurf
);
1188 struct dri2_egl_surface
*dri2_rsurf
= dri2_egl_surface(rsurf
);
1189 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
1190 _EGLContext
*old_ctx
;
1191 _EGLSurface
*old_dsurf
, *old_rsurf
;
1192 __DRIdrawable
*ddraw
, *rdraw
;
1195 /* make new bindings */
1196 if (!_eglBindContext(ctx
, dsurf
, rsurf
, &old_ctx
, &old_dsurf
, &old_rsurf
))
1199 /* flush before context switch */
1200 if (old_ctx
&& dri2_drv
->glFlush
)
1201 dri2_drv
->glFlush();
1203 ddraw
= (dri2_dsurf
) ? dri2_dsurf
->dri_drawable
: NULL
;
1204 rdraw
= (dri2_rsurf
) ? dri2_rsurf
->dri_drawable
: NULL
;
1205 cctx
= (dri2_ctx
) ? dri2_ctx
->dri_context
: NULL
;
1207 if ((cctx
== NULL
&& ddraw
== NULL
&& rdraw
== NULL
) ||
1208 dri2_dpy
->core
->bindContext(cctx
, ddraw
, rdraw
)) {
1209 dri2_destroy_surface(drv
, disp
, old_dsurf
);
1210 dri2_destroy_surface(drv
, disp
, old_rsurf
);
1212 dri2_dpy
->core
->unbindContext(dri2_egl_context(old_ctx
)->dri_context
);
1214 _eglPutContext(old_ctx
);
1219 /* undo the previous _eglBindContext */
1220 _eglBindContext(old_ctx
, old_dsurf
, old_rsurf
, &ctx
, &dsurf
, &rsurf
);
1221 assert(&dri2_ctx
->base
== ctx
&&
1222 &dri2_dsurf
->base
== dsurf
&&
1223 &dri2_rsurf
->base
== rsurf
);
1225 _eglPutSurface(dsurf
);
1226 _eglPutSurface(rsurf
);
1227 _eglPutContext(ctx
);
1229 _eglPutSurface(old_dsurf
);
1230 _eglPutSurface(old_rsurf
);
1231 _eglPutContext(old_ctx
);
1238 * Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface().
1240 static _EGLSurface
*
1241 dri2_create_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
, EGLint type
,
1242 _EGLConfig
*conf
, EGLNativeWindowType window
,
1243 const EGLint
*attrib_list
)
1245 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1246 struct dri2_egl_config
*dri2_conf
= dri2_egl_config(conf
);
1247 struct dri2_egl_surface
*dri2_surf
;
1248 xcb_get_geometry_cookie_t cookie
;
1249 xcb_get_geometry_reply_t
*reply
;
1250 xcb_screen_iterator_t s
;
1251 xcb_generic_error_t
*error
;
1255 dri2_surf
= malloc(sizeof *dri2_surf
);
1257 _eglError(EGL_BAD_ALLOC
, "dri2_create_surface");
1261 if (!_eglInitSurface(&dri2_surf
->base
, disp
, type
, conf
, attrib_list
))
1264 dri2_surf
->region
= XCB_NONE
;
1265 if (type
== EGL_PBUFFER_BIT
) {
1266 dri2_surf
->drawable
= xcb_generate_id(dri2_dpy
->conn
);
1267 s
= xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy
->conn
));
1268 xcb_create_pixmap(dri2_dpy
->conn
, conf
->BufferSize
,
1269 dri2_surf
->drawable
, s
.data
->root
,
1270 dri2_surf
->base
.Width
, dri2_surf
->base
.Height
);
1272 dri2_surf
->drawable
= window
;
1275 dri2_surf
->dri_drawable
=
1276 (*dri2_dpy
->dri2
->createNewDrawable
) (dri2_dpy
->dri_screen
,
1277 dri2_conf
->dri_config
, dri2_surf
);
1278 if (dri2_surf
->dri_drawable
== NULL
) {
1279 _eglError(EGL_BAD_ALLOC
, "dri2->createNewDrawable");
1280 goto cleanup_pixmap
;
1283 xcb_dri2_create_drawable (dri2_dpy
->conn
, dri2_surf
->drawable
);
1285 if (type
!= EGL_PBUFFER_BIT
) {
1286 cookie
= xcb_get_geometry (dri2_dpy
->conn
, dri2_surf
->drawable
);
1287 reply
= xcb_get_geometry_reply (dri2_dpy
->conn
, cookie
, &error
);
1288 if (reply
== NULL
|| error
!= NULL
) {
1289 _eglError(EGL_BAD_ALLOC
, "xcb_get_geometry");
1291 goto cleanup_dri_drawable
;
1294 dri2_surf
->base
.Width
= reply
->width
;
1295 dri2_surf
->base
.Height
= reply
->height
;
1299 return &dri2_surf
->base
;
1301 cleanup_dri_drawable
:
1302 dri2_dpy
->core
->destroyDrawable(dri2_surf
->dri_drawable
);
1304 if (type
== EGL_PBUFFER_BIT
)
1305 xcb_free_pixmap(dri2_dpy
->conn
, dri2_surf
->drawable
);
1313 * Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface().
1315 static _EGLSurface
*
1316 dri2_create_window_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1317 _EGLConfig
*conf
, EGLNativeWindowType window
,
1318 const EGLint
*attrib_list
)
1320 return dri2_create_surface(drv
, disp
, EGL_WINDOW_BIT
, conf
,
1321 window
, attrib_list
);
1324 static _EGLSurface
*
1325 dri2_create_pixmap_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1326 _EGLConfig
*conf
, EGLNativePixmapType pixmap
,
1327 const EGLint
*attrib_list
)
1329 return dri2_create_surface(drv
, disp
, EGL_PIXMAP_BIT
, conf
,
1330 pixmap
, attrib_list
);
1333 static _EGLSurface
*
1334 dri2_create_pbuffer_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1335 _EGLConfig
*conf
, const EGLint
*attrib_list
)
1337 return dri2_create_surface(drv
, disp
, EGL_PBUFFER_BIT
, conf
,
1338 XCB_WINDOW_NONE
, attrib_list
);
1342 dri2_copy_region(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1343 _EGLSurface
*draw
, xcb_xfixes_region_t region
)
1345 struct dri2_egl_driver
*dri2_drv
= dri2_egl_driver(drv
);
1346 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1347 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(draw
);
1349 xcb_dri2_copy_region_cookie_t cookie
;
1351 if (dri2_drv
->glFlush
) {
1352 ctx
= _eglGetCurrentContext();
1353 if (ctx
&& ctx
->DrawSurface
== &dri2_surf
->base
)
1354 dri2_drv
->glFlush();
1357 (*dri2_dpy
->flush
->flush
)(dri2_surf
->dri_drawable
);
1360 /* FIXME: Add support for dri swapbuffers, that'll give us swap
1361 * interval and page flipping (at least for fullscreen windows) as
1362 * well as the page flip event. Unless surface->SwapBehavior is
1363 * EGL_BUFFER_PRESERVED. */
1364 #if __DRI2_FLUSH_VERSION >= 2
1366 (*pdraw
->psc
->f
->flushInvalidate
)(pdraw
->driDrawable
);
1370 if (!dri2_surf
->have_fake_front
)
1373 cookie
= xcb_dri2_copy_region_unchecked(dri2_dpy
->conn
,
1374 dri2_surf
->drawable
,
1376 XCB_DRI2_ATTACHMENT_BUFFER_FRONT_LEFT
,
1377 XCB_DRI2_ATTACHMENT_BUFFER_FAKE_FRONT_LEFT
);
1378 free(xcb_dri2_copy_region_reply(dri2_dpy
->conn
, cookie
, NULL
));
1384 dri2_swap_buffers(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*draw
)
1386 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(draw
);
1388 return dri2_copy_region(drv
, disp
, draw
, dri2_surf
->region
);
1392 dri2_swap_buffers_region(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*draw
,
1393 EGLint numRects
, const EGLint
*rects
)
1395 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1396 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(draw
);
1398 xcb_xfixes_region_t region
;
1399 xcb_rectangle_t rectangles
[16];
1402 if (numRects
> (int)ARRAY_SIZE(rectangles
))
1403 return dri2_copy_region(drv
, disp
, draw
, dri2_surf
->region
);
1405 /* FIXME: Invert y here? */
1406 for (i
= 0; i
< numRects
; i
++) {
1407 rectangles
[i
].x
= rects
[i
* 4];
1408 rectangles
[i
].y
= rects
[i
* 4 + 1];
1409 rectangles
[i
].width
= rects
[i
* 4 + 2];
1410 rectangles
[i
].height
= rects
[i
* 4 + 3];
1413 region
= xcb_generate_id(dri2_dpy
->conn
);
1414 xcb_xfixes_create_region(dri2_dpy
->conn
, region
, numRects
, rectangles
);
1415 ret
= dri2_copy_region(drv
, disp
, draw
, region
);
1416 xcb_xfixes_destroy_region(dri2_dpy
->conn
, region
);
1422 * Called from eglGetProcAddress() via drv->API.GetProcAddress().
1425 dri2_get_proc_address(_EGLDriver
*drv
, const char *procname
)
1429 /* FIXME: Do we need to support lookup of EGL symbols too? */
1431 return (_EGLProc
) _glapi_get_proc_address(procname
);
1435 dri2_wait_client(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLContext
*ctx
)
1437 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1438 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(ctx
->DrawSurface
);
1442 /* FIXME: If EGL allows frontbuffer rendering for window surfaces,
1443 * we need to copy fake to real here.*/
1445 (*dri2_dpy
->flush
->flush
)(dri2_surf
->dri_drawable
);
1451 dri2_wait_native(_EGLDriver
*drv
, _EGLDisplay
*disp
, EGLint engine
)
1456 if (engine
!= EGL_CORE_NATIVE_ENGINE
)
1457 return _eglError(EGL_BAD_PARAMETER
, "eglWaitNative");
1464 dri2_unload(_EGLDriver
*drv
)
1466 struct dri2_egl_driver
*dri2_drv
= dri2_egl_driver(drv
);
1471 dri2_copy_buffers(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
,
1472 EGLNativePixmapType target
)
1474 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1475 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
1480 (*dri2_dpy
->flush
->flush
)(dri2_surf
->dri_drawable
);
1482 gc
= xcb_generate_id(dri2_dpy
->conn
);
1483 xcb_create_gc(dri2_dpy
->conn
, gc
, target
, 0, NULL
);
1484 xcb_copy_area(dri2_dpy
->conn
,
1485 dri2_surf
->drawable
,
1490 dri2_surf
->base
.Width
,
1491 dri2_surf
->base
.Height
);
1492 xcb_free_gc(dri2_dpy
->conn
, gc
);
1498 dri2_bind_tex_image(_EGLDriver
*drv
,
1499 _EGLDisplay
*disp
, _EGLSurface
*surf
, EGLint buffer
)
1501 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1502 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
1503 struct dri2_egl_context
*dri2_ctx
;
1505 GLint format
, target
;
1507 ctx
= _eglGetCurrentContext();
1508 dri2_ctx
= dri2_egl_context(ctx
);
1510 if (!_eglBindTexImage(drv
, disp
, surf
, buffer
))
1513 switch (dri2_surf
->base
.TextureFormat
) {
1514 case EGL_TEXTURE_RGB
:
1515 format
= __DRI_TEXTURE_FORMAT_RGB
;
1517 case EGL_TEXTURE_RGBA
:
1518 format
= __DRI_TEXTURE_FORMAT_RGBA
;
1524 switch (dri2_surf
->base
.TextureTarget
) {
1525 case EGL_TEXTURE_2D
:
1526 target
= GL_TEXTURE_2D
;
1532 (*dri2_dpy
->tex_buffer
->setTexBuffer2
)(dri2_ctx
->dri_context
,
1534 dri2_surf
->dri_drawable
);
1540 dri2_release_tex_image(_EGLDriver
*drv
,
1541 _EGLDisplay
*disp
, _EGLSurface
*surf
, EGLint buffer
)
1552 dri2_create_image_khr_pixmap(_EGLDisplay
*disp
, _EGLContext
*ctx
,
1553 EGLClientBuffer buffer
, const EGLint
*attr_list
)
1555 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1556 struct dri2_egl_image
*dri2_img
;
1557 unsigned int attachments
[1];
1558 xcb_drawable_t drawable
;
1559 xcb_dri2_get_buffers_cookie_t buffers_cookie
;
1560 xcb_dri2_get_buffers_reply_t
*buffers_reply
;
1561 xcb_dri2_dri2_buffer_t
*buffers
;
1562 xcb_get_geometry_cookie_t geometry_cookie
;
1563 xcb_get_geometry_reply_t
*geometry_reply
;
1564 xcb_generic_error_t
*error
;
1569 drawable
= (xcb_drawable_t
) buffer
;
1570 xcb_dri2_create_drawable (dri2_dpy
->conn
, drawable
);
1571 attachments
[0] = XCB_DRI2_ATTACHMENT_BUFFER_FRONT_LEFT
;
1573 xcb_dri2_get_buffers_unchecked (dri2_dpy
->conn
,
1574 drawable
, 1, 1, attachments
);
1575 geometry_cookie
= xcb_get_geometry (dri2_dpy
->conn
, drawable
);
1576 buffers_reply
= xcb_dri2_get_buffers_reply (dri2_dpy
->conn
,
1577 buffers_cookie
, NULL
);
1578 buffers
= xcb_dri2_get_buffers_buffers (buffers_reply
);
1579 if (buffers
== NULL
) {
1583 geometry_reply
= xcb_get_geometry_reply (dri2_dpy
->conn
,
1584 geometry_cookie
, &error
);
1585 if (geometry_reply
== NULL
|| error
!= NULL
) {
1586 _eglError(EGL_BAD_ALLOC
, "xcb_get_geometry");
1588 free(buffers_reply
);
1591 switch (geometry_reply
->depth
) {
1593 format
= __DRI_IMAGE_FORMAT_RGB565
;
1596 format
= __DRI_IMAGE_FORMAT_XRGB8888
;
1599 format
= __DRI_IMAGE_FORMAT_ARGB8888
;
1602 _eglError(EGL_BAD_PARAMETER
,
1603 "dri2_create_image_khr: unsupported pixmap depth");
1604 free(buffers_reply
);
1605 free(geometry_reply
);
1609 dri2_img
= malloc(sizeof *dri2_img
);
1611 free(buffers_reply
);
1612 free(geometry_reply
);
1613 _eglError(EGL_BAD_ALLOC
, "dri2_create_image_khr");
1614 return EGL_NO_IMAGE_KHR
;
1617 if (!_eglInitImage(&dri2_img
->base
, disp
)) {
1618 free(buffers_reply
);
1619 free(geometry_reply
);
1620 return EGL_NO_IMAGE_KHR
;
1623 stride
= buffers
[0].pitch
/ buffers
[0].cpp
;
1624 dri2_img
->dri_image
=
1625 dri2_dpy
->image
->createImageFromName(dri2_dpy
->dri_screen
,
1626 buffers_reply
->width
,
1627 buffers_reply
->height
,
1633 free(buffers_reply
);
1634 free(geometry_reply
);
1636 return &dri2_img
->base
;
1640 dri2_create_image_khr_renderbuffer(_EGLDisplay
*disp
, _EGLContext
*ctx
,
1641 EGLClientBuffer buffer
,
1642 const EGLint
*attr_list
)
1644 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1645 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
1646 struct dri2_egl_image
*dri2_img
;
1647 GLuint renderbuffer
= (GLuint
) buffer
;
1649 if (renderbuffer
== 0) {
1650 _eglError(EGL_BAD_PARAMETER
, "dri2_create_image_khr");
1651 return EGL_NO_IMAGE_KHR
;
1654 dri2_img
= malloc(sizeof *dri2_img
);
1656 _eglError(EGL_BAD_ALLOC
, "dri2_create_image_khr");
1657 return EGL_NO_IMAGE_KHR
;
1660 if (!_eglInitImage(&dri2_img
->base
, disp
))
1661 return EGL_NO_IMAGE_KHR
;
1663 dri2_img
->dri_image
=
1664 dri2_dpy
->image
->createImageFromRenderbuffer(dri2_ctx
->dri_context
,
1668 return &dri2_img
->base
;
1672 dri2_create_image_mesa_drm_buffer(_EGLDisplay
*disp
, _EGLContext
*ctx
,
1673 EGLClientBuffer buffer
, const EGLint
*attr_list
)
1675 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1676 struct dri2_egl_image
*dri2_img
;
1677 EGLint format
, name
, pitch
, err
;
1678 _EGLImageAttribs attrs
;
1682 name
= (EGLint
) buffer
;
1684 err
= _eglParseImageAttribList(&attrs
, disp
, attr_list
);
1685 if (err
!= EGL_SUCCESS
)
1688 if (attrs
.Width
<= 0 || attrs
.Height
<= 0 ||
1689 attrs
.DRMBufferStrideMESA
<= 0) {
1690 _eglError(EGL_BAD_PARAMETER
,
1691 "bad width, height or stride");
1695 switch (attrs
.DRMBufferFormatMESA
) {
1696 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA
:
1697 format
= __DRI_IMAGE_FORMAT_ARGB8888
;
1698 pitch
= attrs
.DRMBufferStrideMESA
;
1701 _eglError(EGL_BAD_PARAMETER
,
1702 "dri2_create_image_khr: unsupported pixmap depth");
1706 dri2_img
= malloc(sizeof *dri2_img
);
1708 _eglError(EGL_BAD_ALLOC
, "dri2_create_image_mesa_drm");
1712 if (!_eglInitImage(&dri2_img
->base
, disp
)) {
1717 dri2_img
->dri_image
=
1718 dri2_dpy
->image
->createImageFromName(dri2_dpy
->dri_screen
,
1725 if (dri2_img
->dri_image
== NULL
) {
1727 _eglError(EGL_BAD_ALLOC
, "dri2_create_image_mesa_drm");
1731 return &dri2_img
->base
;
1735 dri2_create_image_khr(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1736 _EGLContext
*ctx
, EGLenum target
,
1737 EGLClientBuffer buffer
, const EGLint
*attr_list
)
1742 case EGL_NATIVE_PIXMAP_KHR
:
1743 return dri2_create_image_khr_pixmap(disp
, ctx
, buffer
, attr_list
);
1744 case EGL_GL_RENDERBUFFER_KHR
:
1745 return dri2_create_image_khr_renderbuffer(disp
, ctx
, buffer
, attr_list
);
1746 case EGL_DRM_BUFFER_MESA
:
1747 return dri2_create_image_mesa_drm_buffer(disp
, ctx
, buffer
, attr_list
);
1749 _eglError(EGL_BAD_PARAMETER
, "dri2_create_image_khr");
1750 return EGL_NO_IMAGE_KHR
;
1755 dri2_destroy_image_khr(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLImage
*image
)
1757 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1758 struct dri2_egl_image
*dri2_img
= dri2_egl_image(image
);
1762 dri2_dpy
->image
->destroyImage(dri2_img
->dri_image
);
1769 dri2_create_drm_image_mesa(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1770 const EGLint
*attr_list
)
1772 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1773 struct dri2_egl_image
*dri2_img
;
1774 _EGLImageAttribs attrs
;
1775 unsigned int dri_use
, valid_mask
;
1777 EGLint err
= EGL_SUCCESS
;
1781 dri2_img
= malloc(sizeof *dri2_img
);
1783 _eglError(EGL_BAD_ALLOC
, "dri2_create_image_khr");
1784 return EGL_NO_IMAGE_KHR
;
1788 err
= EGL_BAD_PARAMETER
;
1792 if (!_eglInitImage(&dri2_img
->base
, disp
)) {
1793 err
= EGL_BAD_PARAMETER
;
1797 err
= _eglParseImageAttribList(&attrs
, disp
, attr_list
);
1798 if (err
!= EGL_SUCCESS
)
1801 if (attrs
.Width
<= 0 || attrs
.Height
<= 0) {
1802 _eglLog(_EGL_WARNING
, "bad width or height (%dx%d)",
1803 attrs
.Width
, attrs
.Height
);
1807 switch (attrs
.DRMBufferFormatMESA
) {
1808 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA
:
1809 format
= __DRI_IMAGE_FORMAT_ARGB8888
;
1812 _eglLog(_EGL_WARNING
, "bad image format value 0x%04x",
1813 attrs
.DRMBufferFormatMESA
);
1818 EGL_DRM_BUFFER_USE_SCANOUT_MESA
|
1819 EGL_DRM_BUFFER_USE_SHARE_MESA
;
1820 if (attrs
.DRMBufferUseMESA
& ~valid_mask
) {
1821 _eglLog(_EGL_WARNING
, "bad image use bit 0x%04x",
1822 attrs
.DRMBufferUseMESA
& ~valid_mask
);
1827 if (attrs
.DRMBufferUseMESA
& EGL_DRM_BUFFER_USE_SHARE_MESA
)
1828 dri_use
|= __DRI_IMAGE_USE_SHARE
;
1829 if (attrs
.DRMBufferUseMESA
& EGL_DRM_BUFFER_USE_SCANOUT_MESA
)
1830 dri_use
|= __DRI_IMAGE_USE_SCANOUT
;
1832 dri2_img
->dri_image
=
1833 dri2_dpy
->image
->createImage(dri2_dpy
->dri_screen
,
1834 attrs
.Width
, attrs
.Height
,
1835 format
, dri_use
, dri2_img
);
1836 if (dri2_img
->dri_image
== NULL
) {
1837 err
= EGL_BAD_ALLOC
;
1841 return &dri2_img
->base
;
1845 _eglError(err
, "dri2_create_drm_image_mesa");
1847 return EGL_NO_IMAGE_KHR
;
1851 dri2_export_drm_image_mesa(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLImage
*img
,
1852 EGLint
*name
, EGLint
*handle
, EGLint
*stride
)
1854 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1855 struct dri2_egl_image
*dri2_img
= dri2_egl_image(img
);
1859 if (name
&& !dri2_dpy
->image
->queryImage(dri2_img
->dri_image
,
1860 __DRI_IMAGE_ATTRIB_NAME
, name
)) {
1861 _eglError(EGL_BAD_ALLOC
, "dri2_export_drm_image_mesa");
1866 dri2_dpy
->image
->queryImage(dri2_img
->dri_image
,
1867 __DRI_IMAGE_ATTRIB_HANDLE
, handle
);
1870 dri2_dpy
->image
->queryImage(dri2_img
->dri_image
,
1871 __DRI_IMAGE_ATTRIB_STRIDE
, stride
);
1877 * This is the main entrypoint into the driver, called by libEGL.
1878 * Create a new _EGLDriver object and init its dispatch table.
1881 _eglMain(const char *args
)
1883 struct dri2_egl_driver
*dri2_drv
;
1887 dri2_drv
= malloc(sizeof *dri2_drv
);
1891 memset(dri2_drv
, 0, sizeof *dri2_drv
);
1892 _eglInitDriverFallbacks(&dri2_drv
->base
);
1893 dri2_drv
->base
.API
.Initialize
= dri2_initialize
;
1894 dri2_drv
->base
.API
.Terminate
= dri2_terminate
;
1895 dri2_drv
->base
.API
.CreateContext
= dri2_create_context
;
1896 dri2_drv
->base
.API
.MakeCurrent
= dri2_make_current
;
1897 dri2_drv
->base
.API
.CreateWindowSurface
= dri2_create_window_surface
;
1898 dri2_drv
->base
.API
.CreatePixmapSurface
= dri2_create_pixmap_surface
;
1899 dri2_drv
->base
.API
.CreatePbufferSurface
= dri2_create_pbuffer_surface
;
1900 dri2_drv
->base
.API
.DestroySurface
= dri2_destroy_surface
;
1901 dri2_drv
->base
.API
.SwapBuffers
= dri2_swap_buffers
;
1902 dri2_drv
->base
.API
.GetProcAddress
= dri2_get_proc_address
;
1903 dri2_drv
->base
.API
.WaitClient
= dri2_wait_client
;
1904 dri2_drv
->base
.API
.WaitNative
= dri2_wait_native
;
1905 dri2_drv
->base
.API
.CopyBuffers
= dri2_copy_buffers
;
1906 dri2_drv
->base
.API
.BindTexImage
= dri2_bind_tex_image
;
1907 dri2_drv
->base
.API
.ReleaseTexImage
= dri2_release_tex_image
;
1908 dri2_drv
->base
.API
.CreateImageKHR
= dri2_create_image_khr
;
1909 dri2_drv
->base
.API
.DestroyImageKHR
= dri2_destroy_image_khr
;
1910 dri2_drv
->base
.API
.SwapBuffersRegionNOK
= dri2_swap_buffers_region
;
1911 dri2_drv
->base
.API
.CreateDRMImageMESA
= dri2_create_drm_image_mesa
;
1912 dri2_drv
->base
.API
.ExportDRMImageMESA
= dri2_export_drm_image_mesa
;
1914 dri2_drv
->base
.Name
= "DRI2";
1915 dri2_drv
->base
.Unload
= dri2_unload
;
1918 (void (*)(void)) dri2_get_proc_address(&dri2_drv
->base
, "glFlush");
1920 return &dri2_drv
->base
;