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>
39 #include <sys/types.h>
44 const __DRIuseInvalidateExtension use_invalidate
= {
45 { __DRI_USE_INVALIDATE
, 1 }
48 EGLint dri2_to_egl_attribute_map
[] = {
50 EGL_BUFFER_SIZE
, /* __DRI_ATTRIB_BUFFER_SIZE */
51 EGL_LEVEL
, /* __DRI_ATTRIB_LEVEL */
52 EGL_RED_SIZE
, /* __DRI_ATTRIB_RED_SIZE */
53 EGL_GREEN_SIZE
, /* __DRI_ATTRIB_GREEN_SIZE */
54 EGL_BLUE_SIZE
, /* __DRI_ATTRIB_BLUE_SIZE */
55 EGL_LUMINANCE_SIZE
, /* __DRI_ATTRIB_LUMINANCE_SIZE */
56 EGL_ALPHA_SIZE
, /* __DRI_ATTRIB_ALPHA_SIZE */
57 0, /* __DRI_ATTRIB_ALPHA_MASK_SIZE */
58 EGL_DEPTH_SIZE
, /* __DRI_ATTRIB_DEPTH_SIZE */
59 EGL_STENCIL_SIZE
, /* __DRI_ATTRIB_STENCIL_SIZE */
60 0, /* __DRI_ATTRIB_ACCUM_RED_SIZE */
61 0, /* __DRI_ATTRIB_ACCUM_GREEN_SIZE */
62 0, /* __DRI_ATTRIB_ACCUM_BLUE_SIZE */
63 0, /* __DRI_ATTRIB_ACCUM_ALPHA_SIZE */
64 EGL_SAMPLE_BUFFERS
, /* __DRI_ATTRIB_SAMPLE_BUFFERS */
65 EGL_SAMPLES
, /* __DRI_ATTRIB_SAMPLES */
66 0, /* __DRI_ATTRIB_RENDER_TYPE, */
67 0, /* __DRI_ATTRIB_CONFIG_CAVEAT */
68 0, /* __DRI_ATTRIB_CONFORMANT */
69 0, /* __DRI_ATTRIB_DOUBLE_BUFFER */
70 0, /* __DRI_ATTRIB_STEREO */
71 0, /* __DRI_ATTRIB_AUX_BUFFERS */
72 0, /* __DRI_ATTRIB_TRANSPARENT_TYPE */
73 0, /* __DRI_ATTRIB_TRANSPARENT_INDEX_VALUE */
74 0, /* __DRI_ATTRIB_TRANSPARENT_RED_VALUE */
75 0, /* __DRI_ATTRIB_TRANSPARENT_GREEN_VALUE */
76 0, /* __DRI_ATTRIB_TRANSPARENT_BLUE_VALUE */
77 0, /* __DRI_ATTRIB_TRANSPARENT_ALPHA_VALUE */
78 0, /* __DRI_ATTRIB_FLOAT_MODE */
79 0, /* __DRI_ATTRIB_RED_MASK */
80 0, /* __DRI_ATTRIB_GREEN_MASK */
81 0, /* __DRI_ATTRIB_BLUE_MASK */
82 0, /* __DRI_ATTRIB_ALPHA_MASK */
83 EGL_MAX_PBUFFER_WIDTH
, /* __DRI_ATTRIB_MAX_PBUFFER_WIDTH */
84 EGL_MAX_PBUFFER_HEIGHT
, /* __DRI_ATTRIB_MAX_PBUFFER_HEIGHT */
85 EGL_MAX_PBUFFER_PIXELS
, /* __DRI_ATTRIB_MAX_PBUFFER_PIXELS */
86 0, /* __DRI_ATTRIB_OPTIMAL_PBUFFER_WIDTH */
87 0, /* __DRI_ATTRIB_OPTIMAL_PBUFFER_HEIGHT */
88 0, /* __DRI_ATTRIB_VISUAL_SELECT_GROUP */
89 0, /* __DRI_ATTRIB_SWAP_METHOD */
90 EGL_MAX_SWAP_INTERVAL
, /* __DRI_ATTRIB_MAX_SWAP_INTERVAL */
91 EGL_MIN_SWAP_INTERVAL
, /* __DRI_ATTRIB_MIN_SWAP_INTERVAL */
92 0, /* __DRI_ATTRIB_BIND_TO_TEXTURE_RGB */
93 0, /* __DRI_ATTRIB_BIND_TO_TEXTURE_RGBA */
94 0, /* __DRI_ATTRIB_BIND_TO_MIPMAP_TEXTURE */
95 0, /* __DRI_ATTRIB_BIND_TO_TEXTURE_TARGETS */
96 EGL_Y_INVERTED_NOK
, /* __DRI_ATTRIB_YINVERTED */
97 0, /* __DRI_ATTRIB_FRAMEBUFFER_SRGB_CAPABLE */
101 dri2_match_config(const _EGLConfig
*conf
, const _EGLConfig
*criteria
)
103 if (_eglCompareConfigs(conf
, criteria
, NULL
, EGL_FALSE
) != 0)
106 if (!_eglMatchConfig(conf
, criteria
))
112 struct dri2_egl_config
*
113 dri2_add_config(_EGLDisplay
*disp
, const __DRIconfig
*dri_config
, int id
,
114 int depth
, EGLint surface_type
, const EGLint
*attr_list
,
115 const unsigned int *rgba_masks
)
117 struct dri2_egl_config
*conf
;
118 struct dri2_egl_display
*dri2_dpy
;
120 unsigned int attrib
, value
, double_buffer
;
121 EGLint key
, bind_to_texture_rgb
, bind_to_texture_rgba
;
122 unsigned int dri_masks
[4] = { 0, 0, 0, 0 };
123 _EGLConfig
*matching_config
;
124 EGLint num_configs
= 0;
128 dri2_dpy
= disp
->DriverData
;
129 _eglInitConfig(&base
, disp
, id
);
133 bind_to_texture_rgb
= 0;
134 bind_to_texture_rgba
= 0;
136 while (dri2_dpy
->core
->indexConfigAttrib(dri_config
, i
++, &attrib
, &value
)) {
138 case __DRI_ATTRIB_RENDER_TYPE
:
139 if (value
& __DRI_ATTRIB_RGBA_BIT
)
140 value
= EGL_RGB_BUFFER
;
141 else if (value
& __DRI_ATTRIB_LUMINANCE_BIT
)
142 value
= EGL_LUMINANCE_BUFFER
;
145 _eglSetConfigKey(&base
, EGL_COLOR_BUFFER_TYPE
, value
);
148 case __DRI_ATTRIB_CONFIG_CAVEAT
:
149 if (value
& __DRI_ATTRIB_NON_CONFORMANT_CONFIG
)
150 value
= EGL_NON_CONFORMANT_CONFIG
;
151 else if (value
& __DRI_ATTRIB_SLOW_BIT
)
152 value
= EGL_SLOW_CONFIG
;
155 _eglSetConfigKey(&base
, EGL_CONFIG_CAVEAT
, value
);
158 case __DRI_ATTRIB_BIND_TO_TEXTURE_RGB
:
159 bind_to_texture_rgb
= value
;
162 case __DRI_ATTRIB_BIND_TO_TEXTURE_RGBA
:
163 bind_to_texture_rgba
= value
;
166 case __DRI_ATTRIB_DOUBLE_BUFFER
:
167 double_buffer
= value
;
170 case __DRI_ATTRIB_RED_MASK
:
171 dri_masks
[0] = value
;
174 case __DRI_ATTRIB_GREEN_MASK
:
175 dri_masks
[1] = value
;
178 case __DRI_ATTRIB_BLUE_MASK
:
179 dri_masks
[2] = value
;
182 case __DRI_ATTRIB_ALPHA_MASK
:
183 dri_masks
[3] = value
;
187 key
= dri2_to_egl_attribute_map
[attrib
];
189 _eglSetConfigKey(&base
, key
, value
);
195 for (i
= 0; attr_list
[i
] != EGL_NONE
; i
+= 2)
196 _eglSetConfigKey(&base
, attr_list
[i
], attr_list
[i
+1]);
198 if (depth
> 0 && depth
!= base
.BufferSize
)
201 if (rgba_masks
&& memcmp(rgba_masks
, dri_masks
, sizeof(dri_masks
)))
204 base
.NativeRenderable
= EGL_TRUE
;
206 base
.SurfaceType
= surface_type
;
207 if (surface_type
& (EGL_PBUFFER_BIT
|
208 (disp
->Extensions
.NOK_texture_from_pixmap
? EGL_PIXMAP_BIT
: 0))) {
209 base
.BindToTextureRGB
= bind_to_texture_rgb
;
210 if (base
.AlphaSize
> 0)
211 base
.BindToTextureRGBA
= bind_to_texture_rgba
;
214 base
.RenderableType
= disp
->ClientAPIs
;
215 base
.Conformant
= disp
->ClientAPIs
;
217 if (!_eglValidateConfig(&base
, EGL_FALSE
)) {
218 _eglLog(_EGL_DEBUG
, "DRI2: failed to validate config %d", id
);
222 config_id
= base
.ConfigID
;
223 base
.ConfigID
= EGL_DONT_CARE
;
224 base
.SurfaceType
= EGL_DONT_CARE
;
225 num_configs
= _eglFilterArray(disp
->Configs
, (void **) &matching_config
, 1,
226 (_EGLArrayForEach
) dri2_match_config
, &base
);
228 if (num_configs
== 1) {
229 conf
= (struct dri2_egl_config
*) matching_config
;
231 if (double_buffer
&& !conf
->dri_double_config
)
232 conf
->dri_double_config
= dri_config
;
233 else if (!double_buffer
&& !conf
->dri_single_config
)
234 conf
->dri_single_config
= dri_config
;
236 /* a similar config type is already added (unlikely) => discard */
239 else if (num_configs
== 0) {
240 conf
= malloc(sizeof *conf
);
244 memcpy(&conf
->base
, &base
, sizeof base
);
246 conf
->dri_double_config
= dri_config
;
247 conf
->dri_single_config
= NULL
;
249 conf
->dri_single_config
= dri_config
;
250 conf
->dri_double_config
= NULL
;
252 conf
->base
.SurfaceType
= 0;
253 conf
->base
.ConfigID
= config_id
;
255 _eglLinkConfig(&conf
->base
);
263 surface_type
&= ~EGL_PIXMAP_BIT
;
265 conf
->base
.MinSwapInterval
= dri2_dpy
->min_swap_interval
;
266 conf
->base
.MaxSwapInterval
= dri2_dpy
->max_swap_interval
;
269 conf
->base
.SurfaceType
|= surface_type
;
275 dri2_lookup_egl_image(__DRIscreen
*screen
, void *image
, void *data
)
277 _EGLDisplay
*disp
= data
;
278 struct dri2_egl_image
*dri2_img
;
283 img
= _eglLookupImage(image
, disp
);
285 _eglError(EGL_BAD_PARAMETER
, "dri2_lookup_egl_image");
289 dri2_img
= dri2_egl_image(image
);
291 return dri2_img
->dri_image
;
294 const __DRIimageLookupExtension image_lookup_extension
= {
295 { __DRI_IMAGE_LOOKUP
, 1 },
296 dri2_lookup_egl_image
299 static const char dri_driver_path
[] = DEFAULT_DRIVER_DIR
;
301 struct dri2_extension_match
{
307 static struct dri2_extension_match dri2_driver_extensions
[] = {
308 { __DRI_CORE
, 1, offsetof(struct dri2_egl_display
, core
) },
309 { __DRI_DRI2
, 2, offsetof(struct dri2_egl_display
, dri2
) },
313 static struct dri2_extension_match dri2_core_extensions
[] = {
314 { __DRI2_FLUSH
, 1, offsetof(struct dri2_egl_display
, flush
) },
315 { __DRI_TEX_BUFFER
, 2, offsetof(struct dri2_egl_display
, tex_buffer
) },
316 { __DRI_IMAGE
, 1, offsetof(struct dri2_egl_display
, image
) },
320 static struct dri2_extension_match swrast_driver_extensions
[] = {
321 { __DRI_CORE
, 1, offsetof(struct dri2_egl_display
, core
) },
322 { __DRI_SWRAST
, 2, offsetof(struct dri2_egl_display
, swrast
) },
326 static struct dri2_extension_match swrast_core_extensions
[] = {
327 { __DRI_TEX_BUFFER
, 2, offsetof(struct dri2_egl_display
, tex_buffer
) },
332 dri2_bind_extensions(struct dri2_egl_display
*dri2_dpy
,
333 struct dri2_extension_match
*matches
,
334 const __DRIextension
**extensions
)
336 int i
, j
, ret
= EGL_TRUE
;
339 for (i
= 0; extensions
[i
]; i
++) {
340 _eglLog(_EGL_DEBUG
, "DRI2: found extension `%s'", extensions
[i
]->name
);
341 for (j
= 0; matches
[j
].name
; j
++) {
342 if (strcmp(extensions
[i
]->name
, matches
[j
].name
) == 0 &&
343 extensions
[i
]->version
>= matches
[j
].version
) {
344 field
= ((char *) dri2_dpy
+ matches
[j
].offset
);
345 *(const __DRIextension
**) field
= extensions
[i
];
346 _eglLog(_EGL_INFO
, "DRI2: found extension %s version %d",
347 extensions
[i
]->name
, extensions
[i
]->version
);
352 for (j
= 0; matches
[j
].name
; j
++) {
353 field
= ((char *) dri2_dpy
+ matches
[j
].offset
);
354 if (*(const __DRIextension
**) field
== NULL
) {
355 _eglLog(_EGL_FATAL
, "DRI2: did not find extension %s version %d",
356 matches
[j
].name
, matches
[j
].version
);
364 static const __DRIextension
**
365 dri2_open_driver(_EGLDisplay
*disp
)
367 struct dri2_egl_display
*dri2_dpy
= disp
->DriverData
;
368 const __DRIextension
**extensions
;
369 char path
[PATH_MAX
], *search_paths
, *p
, *next
, *end
;
372 if (geteuid() == getuid()) {
373 /* don't allow setuid apps to use LIBGL_DRIVERS_PATH */
374 search_paths
= getenv("LIBGL_DRIVERS_PATH");
376 if (search_paths
== NULL
)
377 search_paths
= DEFAULT_DRIVER_DIR
;
379 dri2_dpy
->driver
= NULL
;
380 end
= search_paths
+ strlen(search_paths
);
381 for (p
= search_paths
; p
< end
&& dri2_dpy
->driver
== NULL
; p
= next
+ 1) {
383 next
= strchr(p
, ':');
389 snprintf(path
, sizeof path
,
390 "%.*s/tls/%s_dri.so", len
, p
, dri2_dpy
->driver_name
);
391 dri2_dpy
->driver
= dlopen(path
, RTLD_NOW
| RTLD_GLOBAL
);
393 if (dri2_dpy
->driver
== NULL
) {
394 snprintf(path
, sizeof path
,
395 "%.*s/%s_dri.so", len
, p
, dri2_dpy
->driver_name
);
396 dri2_dpy
->driver
= dlopen(path
, RTLD_NOW
| RTLD_GLOBAL
);
397 if (dri2_dpy
->driver
== NULL
)
398 _eglLog(_EGL_DEBUG
, "failed to open %s: %s\n", path
, dlerror());
402 if (dri2_dpy
->driver
== NULL
) {
403 _eglLog(_EGL_WARNING
,
404 "DRI2: failed to open %s (search paths %s)",
405 dri2_dpy
->driver_name
, search_paths
);
409 _eglLog(_EGL_DEBUG
, "DRI2: dlopen(%s)", path
);
410 extensions
= dlsym(dri2_dpy
->driver
, __DRI_DRIVER_EXTENSIONS
);
411 if (extensions
== NULL
) {
412 _eglLog(_EGL_WARNING
,
413 "DRI2: driver exports no extensions (%s)", dlerror());
414 dlclose(dri2_dpy
->driver
);
421 dri2_load_driver(_EGLDisplay
*disp
)
423 struct dri2_egl_display
*dri2_dpy
= disp
->DriverData
;
424 const __DRIextension
**extensions
;
426 extensions
= dri2_open_driver(disp
);
430 if (!dri2_bind_extensions(dri2_dpy
, dri2_driver_extensions
, extensions
)) {
431 dlclose(dri2_dpy
->driver
);
439 dri2_load_driver_swrast(_EGLDisplay
*disp
)
441 struct dri2_egl_display
*dri2_dpy
= disp
->DriverData
;
442 const __DRIextension
**extensions
;
444 dri2_dpy
->driver_name
= "swrast";
445 extensions
= dri2_open_driver(disp
);
450 if (!dri2_bind_extensions(dri2_dpy
, swrast_driver_extensions
, extensions
)) {
451 dlclose(dri2_dpy
->driver
);
459 dri2_setup_screen(_EGLDisplay
*disp
)
461 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
462 unsigned int api_mask
;
464 if (dri2_dpy
->dri2
) {
465 api_mask
= dri2_dpy
->dri2
->getAPIMask(dri2_dpy
->dri_screen
);
467 assert(dri2_dpy
->swrast
);
468 api_mask
= 1 << __DRI_API_OPENGL
| 1 << __DRI_API_GLES
| 1 << __DRI_API_GLES2
;
471 disp
->ClientAPIs
= 0;
472 if (api_mask
& (1 <<__DRI_API_OPENGL
))
473 disp
->ClientAPIs
|= EGL_OPENGL_BIT
;
474 if (api_mask
& (1 <<__DRI_API_GLES
))
475 disp
->ClientAPIs
|= EGL_OPENGL_ES_BIT
;
476 if (api_mask
& (1 << __DRI_API_GLES2
))
477 disp
->ClientAPIs
|= EGL_OPENGL_ES2_BIT
;
479 assert(dri2_dpy
->dri2
|| dri2_dpy
->swrast
);
480 disp
->Extensions
.KHR_surfaceless_context
= EGL_TRUE
;
482 if (dri2_dpy
->dri2
&& dri2_dpy
->dri2
->base
.version
>= 3) {
483 disp
->Extensions
.KHR_create_context
= EGL_TRUE
;
485 if (dri2_dpy
->robustness
)
486 disp
->Extensions
.EXT_create_context_robustness
= EGL_TRUE
;
489 if (dri2_dpy
->image
) {
490 disp
->Extensions
.MESA_drm_image
= EGL_TRUE
;
491 disp
->Extensions
.KHR_image_base
= EGL_TRUE
;
492 disp
->Extensions
.KHR_gl_renderbuffer_image
= EGL_TRUE
;
497 dri2_create_screen(_EGLDisplay
*disp
)
499 const __DRIextension
**extensions
;
500 struct dri2_egl_display
*dri2_dpy
;
502 dri2_dpy
= disp
->DriverData
;
504 if (dri2_dpy
->dri2
) {
505 dri2_dpy
->dri_screen
=
506 dri2_dpy
->dri2
->createNewScreen(0, dri2_dpy
->fd
, dri2_dpy
->extensions
,
507 &dri2_dpy
->driver_configs
, disp
);
509 assert(dri2_dpy
->swrast
);
510 dri2_dpy
->dri_screen
=
511 dri2_dpy
->swrast
->createNewScreen(0, dri2_dpy
->extensions
,
512 &dri2_dpy
->driver_configs
, disp
);
515 if (dri2_dpy
->dri_screen
== NULL
) {
516 _eglLog(_EGL_WARNING
, "DRI2: failed to create dri screen");
520 dri2_dpy
->own_dri_screen
= 1;
522 extensions
= dri2_dpy
->core
->getExtensions(dri2_dpy
->dri_screen
);
524 if (dri2_dpy
->dri2
) {
527 if (!dri2_bind_extensions(dri2_dpy
, dri2_core_extensions
, extensions
))
528 goto cleanup_dri_screen
;
530 for (i
= 0; extensions
[i
]; i
++) {
531 if (strcmp(extensions
[i
]->name
, __DRI2_ROBUSTNESS
) == 0) {
532 dri2_dpy
->robustness
= (__DRIrobustnessExtension
*) extensions
[i
];
534 if (strcmp(extensions
[i
]->name
, __DRI2_CONFIG_QUERY
) == 0) {
535 dri2_dpy
->config
= (__DRI2configQueryExtension
*) extensions
[i
];
539 assert(dri2_dpy
->swrast
);
540 if (!dri2_bind_extensions(dri2_dpy
, swrast_core_extensions
, extensions
))
541 goto cleanup_dri_screen
;
544 dri2_setup_screen(disp
);
549 dri2_dpy
->core
->destroyScreen(dri2_dpy
->dri_screen
);
555 * Called via eglInitialize(), GLX_drv->API.Initialize().
558 dri2_initialize(_EGLDriver
*drv
, _EGLDisplay
*disp
)
560 /* not until swrast_dri is supported */
561 if (disp
->Options
.UseFallback
)
564 switch (disp
->Platform
) {
565 #ifdef HAVE_X11_PLATFORM
566 case _EGL_PLATFORM_X11
:
567 if (disp
->Options
.TestOnly
)
569 return dri2_initialize_x11(drv
, disp
);
573 #ifdef HAVE_DRM_PLATFORM
574 case _EGL_PLATFORM_DRM
:
575 if (disp
->Options
.TestOnly
)
577 return dri2_initialize_drm(drv
, disp
);
579 #ifdef HAVE_WAYLAND_PLATFORM
580 case _EGL_PLATFORM_WAYLAND
:
581 if (disp
->Options
.TestOnly
)
583 return dri2_initialize_wayland(drv
, disp
);
586 #ifdef HAVE_ANDROID_PLATFORM
587 case _EGL_PLATFORM_ANDROID
:
588 if (disp
->Options
.TestOnly
)
590 return dri2_initialize_android(drv
, disp
);
599 * Called via eglTerminate(), drv->API.Terminate().
602 dri2_terminate(_EGLDriver
*drv
, _EGLDisplay
*disp
)
604 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
606 _eglReleaseDisplayResources(drv
, disp
);
607 _eglCleanupDisplay(disp
);
609 if (dri2_dpy
->own_dri_screen
)
610 dri2_dpy
->core
->destroyScreen(dri2_dpy
->dri_screen
);
613 if (dri2_dpy
->driver
)
614 dlclose(dri2_dpy
->driver
);
615 free(dri2_dpy
->device_name
);
617 if (disp
->PlatformDisplay
== NULL
) {
618 switch (disp
->Platform
) {
619 #ifdef HAVE_X11_PLATFORM
620 case _EGL_PLATFORM_X11
:
621 xcb_disconnect(dri2_dpy
->conn
);
624 #ifdef HAVE_DRM_PLATFORM
625 case _EGL_PLATFORM_DRM
:
626 if (dri2_dpy
->own_device
) {
627 gbm_device_destroy(&dri2_dpy
->gbm_dri
->base
.base
);
637 disp
->DriverData
= NULL
;
643 * Set the error code after a call to
644 * dri2_egl_display::dri2::createContextAttribs.
647 dri2_create_context_attribs_error(int dri_error
)
652 case __DRI_CTX_ERROR_SUCCESS
:
655 case __DRI_CTX_ERROR_NO_MEMORY
:
656 egl_error
= EGL_BAD_ALLOC
;
659 /* From the EGL_KHR_create_context spec, section "Errors":
661 * * If <config> does not support a client API context compatible
662 * with the requested API major and minor version, [...] context flags,
663 * and context reset notification behavior (for client API types where
664 * these attributes are supported), then an EGL_BAD_MATCH error is
667 * * If an OpenGL ES context is requested and the values for
668 * attributes EGL_CONTEXT_MAJOR_VERSION_KHR and
669 * EGL_CONTEXT_MINOR_VERSION_KHR specify an OpenGL ES version that
670 * is not defined, than an EGL_BAD_MATCH error is generated.
672 * * If an OpenGL context is requested, the requested version is
673 * greater than 3.2, and the value for attribute
674 * EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR has no bits set; has any
675 * bits set other than EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR and
676 * EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR; has more than
677 * one of these bits set; or if the implementation does not support
678 * the requested profile, then an EGL_BAD_MATCH error is generated.
680 case __DRI_CTX_ERROR_BAD_API
:
681 case __DRI_CTX_ERROR_BAD_VERSION
:
682 case __DRI_CTX_ERROR_BAD_FLAG
:
683 egl_error
= EGL_BAD_MATCH
;
686 /* From the EGL_KHR_create_context spec, section "Errors":
688 * * If an attribute name or attribute value in <attrib_list> is not
689 * recognized (including unrecognized bits in bitmask attributes),
690 * then an EGL_BAD_ATTRIBUTE error is generated."
692 case __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE
:
693 case __DRI_CTX_ERROR_UNKNOWN_FLAG
:
694 egl_error
= EGL_BAD_ATTRIBUTE
;
699 egl_error
= EGL_BAD_MATCH
;
703 _eglError(egl_error
, "dri2_create_context");
707 * Called via eglCreateContext(), drv->API.CreateContext().
710 dri2_create_context(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLConfig
*conf
,
711 _EGLContext
*share_list
, const EGLint
*attrib_list
)
713 struct dri2_egl_context
*dri2_ctx
;
714 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
715 struct dri2_egl_context
*dri2_ctx_shared
= dri2_egl_context(share_list
);
716 __DRIcontext
*shared
=
717 dri2_ctx_shared
? dri2_ctx_shared
->dri_context
: NULL
;
718 struct dri2_egl_config
*dri2_config
= dri2_egl_config(conf
);
719 const __DRIconfig
*dri_config
;
724 dri2_ctx
= malloc(sizeof *dri2_ctx
);
726 _eglError(EGL_BAD_ALLOC
, "eglCreateContext");
730 if (!_eglInitContext(&dri2_ctx
->base
, disp
, conf
, attrib_list
))
733 switch (dri2_ctx
->base
.ClientAPI
) {
734 case EGL_OPENGL_ES_API
:
735 switch (dri2_ctx
->base
.ClientMajorVersion
) {
737 api
= __DRI_API_GLES
;
741 api
= __DRI_API_GLES2
;
744 _eglError(EGL_BAD_PARAMETER
, "eglCreateContext");
749 if ((dri2_ctx
->base
.ClientMajorVersion
>= 4
750 || (dri2_ctx
->base
.ClientMajorVersion
== 3
751 && dri2_ctx
->base
.ClientMinorVersion
>= 2))
752 && dri2_ctx
->base
.Profile
== EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR
)
753 api
= __DRI_API_OPENGL_CORE
;
755 api
= __DRI_API_OPENGL
;
758 _eglError(EGL_BAD_PARAMETER
, "eglCreateContext");
763 /* The config chosen here isn't necessarily
764 * used for surfaces later.
765 * A pixmap surface will use the single config.
766 * This opportunity depends on disabling the
767 * doubleBufferMode check in
768 * src/mesa/main/context.c:check_compatible()
770 if (dri2_config
->dri_double_config
)
771 dri_config
= dri2_config
->dri_double_config
;
773 dri_config
= dri2_config
->dri_single_config
;
775 /* EGL_WINDOW_BIT is set only when there is a dri_double_config. This
776 * makes sure the back buffer will always be used.
778 if (conf
->SurfaceType
& EGL_WINDOW_BIT
)
779 dri2_ctx
->base
.WindowRenderBuffer
= EGL_BACK_BUFFER
;
784 if (dri2_dpy
->dri2
) {
785 if (dri2_dpy
->dri2
->base
.version
>= 3) {
787 unsigned num_attribs
= 0;
788 uint32_t ctx_attribs
[8];
790 ctx_attribs
[num_attribs
++] = __DRI_CTX_ATTRIB_MAJOR_VERSION
;
791 ctx_attribs
[num_attribs
++] = dri2_ctx
->base
.ClientMajorVersion
;
792 ctx_attribs
[num_attribs
++] = __DRI_CTX_ATTRIB_MINOR_VERSION
;
793 ctx_attribs
[num_attribs
++] = dri2_ctx
->base
.ClientMinorVersion
;
795 if (dri2_ctx
->base
.Flags
!= 0) {
796 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
797 * extension, don't even try to send it the robust-access flag.
798 * It may explode. Instead, generate the required EGL error here.
800 if ((dri2_ctx
->base
.Flags
& EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR
) != 0
801 && !dri2_dpy
->robustness
) {
802 _eglError(EGL_BAD_MATCH
, "eglCreateContext");
806 ctx_attribs
[num_attribs
++] = __DRI_CTX_ATTRIB_FLAGS
;
807 ctx_attribs
[num_attribs
++] = dri2_ctx
->base
.Flags
;
810 if (dri2_ctx
->base
.ResetNotificationStrategy
!= EGL_NO_RESET_NOTIFICATION_KHR
) {
811 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
812 * extension, don't even try to send it a reset strategy. It may
813 * explode. Instead, generate the required EGL error here.
815 if (!dri2_dpy
->robustness
) {
816 _eglError(EGL_BAD_CONFIG
, "eglCreateContext");
820 ctx_attribs
[num_attribs
++] = __DRI_CTX_ATTRIB_RESET_STRATEGY
;
821 ctx_attribs
[num_attribs
++] = __DRI_CTX_RESET_LOSE_CONTEXT
;
824 assert(num_attribs
<= ARRAY_SIZE(ctx_attribs
));
826 dri2_ctx
->dri_context
=
827 dri2_dpy
->dri2
->createContextAttribs(dri2_dpy
->dri_screen
,
835 dri2_create_context_attribs_error(error
);
837 dri2_ctx
->dri_context
=
838 dri2_dpy
->dri2
->createNewContextForAPI(dri2_dpy
->dri_screen
,
845 assert(dri2_dpy
->swrast
);
846 dri2_ctx
->dri_context
=
847 dri2_dpy
->swrast
->createNewContextForAPI(dri2_dpy
->dri_screen
,
854 if (!dri2_ctx
->dri_context
)
857 return &dri2_ctx
->base
;
865 * Called via eglDestroyContext(), drv->API.DestroyContext().
868 dri2_destroy_context(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLContext
*ctx
)
870 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
871 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
873 if (_eglPutContext(ctx
)) {
874 dri2_dpy
->core
->destroyContext(dri2_ctx
->dri_context
);
882 * Called via eglMakeCurrent(), drv->API.MakeCurrent().
885 dri2_make_current(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*dsurf
,
886 _EGLSurface
*rsurf
, _EGLContext
*ctx
)
888 struct dri2_egl_driver
*dri2_drv
= dri2_egl_driver(drv
);
889 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
890 struct dri2_egl_surface
*dri2_dsurf
= dri2_egl_surface(dsurf
);
891 struct dri2_egl_surface
*dri2_rsurf
= dri2_egl_surface(rsurf
);
892 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
893 _EGLContext
*old_ctx
;
894 _EGLSurface
*old_dsurf
, *old_rsurf
;
895 __DRIdrawable
*ddraw
, *rdraw
;
898 /* make new bindings */
899 if (!_eglBindContext(ctx
, dsurf
, rsurf
, &old_ctx
, &old_dsurf
, &old_rsurf
))
902 /* flush before context switch */
903 if (old_ctx
&& dri2_drv
->glFlush
)
906 ddraw
= (dri2_dsurf
) ? dri2_dsurf
->dri_drawable
: NULL
;
907 rdraw
= (dri2_rsurf
) ? dri2_rsurf
->dri_drawable
: NULL
;
908 cctx
= (dri2_ctx
) ? dri2_ctx
->dri_context
: NULL
;
911 __DRIcontext
*old_cctx
= dri2_egl_context(old_ctx
)->dri_context
;
912 dri2_dpy
->core
->unbindContext(old_cctx
);
915 if ((cctx
== NULL
&& ddraw
== NULL
&& rdraw
== NULL
) ||
916 dri2_dpy
->core
->bindContext(cctx
, ddraw
, rdraw
)) {
918 drv
->API
.DestroySurface(drv
, disp
, old_dsurf
);
920 drv
->API
.DestroySurface(drv
, disp
, old_rsurf
);
922 drv
->API
.DestroyContext(drv
, disp
, old_ctx
);
926 /* undo the previous _eglBindContext */
927 _eglBindContext(old_ctx
, old_dsurf
, old_rsurf
, &ctx
, &dsurf
, &rsurf
);
928 assert(&dri2_ctx
->base
== ctx
&&
929 &dri2_dsurf
->base
== dsurf
&&
930 &dri2_rsurf
->base
== rsurf
);
932 _eglPutSurface(dsurf
);
933 _eglPutSurface(rsurf
);
936 _eglPutSurface(old_dsurf
);
937 _eglPutSurface(old_rsurf
);
938 _eglPutContext(old_ctx
);
945 * Called from eglGetProcAddress() via drv->API.GetProcAddress().
948 dri2_get_proc_address(_EGLDriver
*drv
, const char *procname
)
950 struct dri2_egl_driver
*dri2_drv
= dri2_egl_driver(drv
);
952 return dri2_drv
->get_proc_address(procname
);
956 dri2_wait_client(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLContext
*ctx
)
958 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
959 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(ctx
->DrawSurface
);
963 /* FIXME: If EGL allows frontbuffer rendering for window surfaces,
964 * we need to copy fake to real here.*/
966 (*dri2_dpy
->flush
->flush
)(dri2_surf
->dri_drawable
);
972 dri2_wait_native(_EGLDriver
*drv
, _EGLDisplay
*disp
, EGLint engine
)
977 if (engine
!= EGL_CORE_NATIVE_ENGINE
)
978 return _eglError(EGL_BAD_PARAMETER
, "eglWaitNative");
985 dri2_bind_tex_image(_EGLDriver
*drv
,
986 _EGLDisplay
*disp
, _EGLSurface
*surf
, EGLint buffer
)
988 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
989 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
990 struct dri2_egl_context
*dri2_ctx
;
992 GLint format
, target
;
994 ctx
= _eglGetCurrentContext();
995 dri2_ctx
= dri2_egl_context(ctx
);
997 if (!_eglBindTexImage(drv
, disp
, surf
, buffer
))
1000 switch (dri2_surf
->base
.TextureFormat
) {
1001 case EGL_TEXTURE_RGB
:
1002 format
= __DRI_TEXTURE_FORMAT_RGB
;
1004 case EGL_TEXTURE_RGBA
:
1005 format
= __DRI_TEXTURE_FORMAT_RGBA
;
1011 switch (dri2_surf
->base
.TextureTarget
) {
1012 case EGL_TEXTURE_2D
:
1013 target
= GL_TEXTURE_2D
;
1019 (*dri2_dpy
->tex_buffer
->setTexBuffer2
)(dri2_ctx
->dri_context
,
1021 dri2_surf
->dri_drawable
);
1027 dri2_release_tex_image(_EGLDriver
*drv
,
1028 _EGLDisplay
*disp
, _EGLSurface
*surf
, EGLint buffer
)
1030 #if __DRI_TEX_BUFFER_VERSION >= 3
1031 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1032 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
1033 struct dri2_egl_context
*dri2_ctx
;
1037 ctx
= _eglGetCurrentContext();
1038 dri2_ctx
= dri2_egl_context(ctx
);
1040 if (!_eglReleaseTexImage(drv
, disp
, surf
, buffer
))
1043 switch (dri2_surf
->base
.TextureTarget
) {
1044 case EGL_TEXTURE_2D
:
1045 target
= GL_TEXTURE_2D
;
1050 if (dri2_dpy
->tex_buffer
->releaseTexBuffer
!=NULL
)
1051 (*dri2_dpy
->tex_buffer
->releaseTexBuffer
)(dri2_ctx
->dri_context
,
1053 dri2_surf
->dri_drawable
);
1060 dri2_create_image(_EGLDisplay
*disp
, __DRIimage
*dri_image
)
1062 struct dri2_egl_image
*dri2_img
;
1064 if (dri_image
== NULL
) {
1065 _eglError(EGL_BAD_ALLOC
, "dri2_create_image");
1069 dri2_img
= malloc(sizeof *dri2_img
);
1071 _eglError(EGL_BAD_ALLOC
, "dri2_create_image");
1075 if (!_eglInitImage(&dri2_img
->base
, disp
)) {
1080 dri2_img
->dri_image
= dri_image
;
1082 return &dri2_img
->base
;
1086 dri2_create_image_khr_renderbuffer(_EGLDisplay
*disp
, _EGLContext
*ctx
,
1087 EGLClientBuffer buffer
,
1088 const EGLint
*attr_list
)
1090 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1091 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
1092 GLuint renderbuffer
= (GLuint
) (uintptr_t) buffer
;
1093 __DRIimage
*dri_image
;
1095 if (renderbuffer
== 0) {
1096 _eglError(EGL_BAD_PARAMETER
, "dri2_create_image_khr");
1097 return EGL_NO_IMAGE_KHR
;
1101 dri2_dpy
->image
->createImageFromRenderbuffer(dri2_ctx
->dri_context
,
1102 renderbuffer
, NULL
);
1104 return dri2_create_image(disp
, dri_image
);
1108 dri2_create_image_mesa_drm_buffer(_EGLDisplay
*disp
, _EGLContext
*ctx
,
1109 EGLClientBuffer buffer
, const EGLint
*attr_list
)
1111 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1112 EGLint format
, name
, pitch
, err
;
1113 _EGLImageAttribs attrs
;
1114 __DRIimage
*dri_image
;
1116 name
= (EGLint
) (uintptr_t) buffer
;
1118 err
= _eglParseImageAttribList(&attrs
, disp
, attr_list
);
1119 if (err
!= EGL_SUCCESS
)
1122 if (attrs
.Width
<= 0 || attrs
.Height
<= 0 ||
1123 attrs
.DRMBufferStrideMESA
<= 0) {
1124 _eglError(EGL_BAD_PARAMETER
,
1125 "bad width, height or stride");
1129 switch (attrs
.DRMBufferFormatMESA
) {
1130 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA
:
1131 format
= __DRI_IMAGE_FORMAT_ARGB8888
;
1132 pitch
= attrs
.DRMBufferStrideMESA
;
1135 _eglError(EGL_BAD_PARAMETER
,
1136 "dri2_create_image_khr: unsupported pixmap depth");
1141 dri2_dpy
->image
->createImageFromName(dri2_dpy
->dri_screen
,
1149 return dri2_create_image(disp
, dri_image
);
1152 #ifdef HAVE_WAYLAND_PLATFORM
1154 /* This structure describes how a wl_buffer maps to one or more
1155 * __DRIimages. A wl_drm_buffer stores the wl_drm format code and the
1156 * offsets and strides of the planes in the buffer. This table maps a
1157 * wl_drm format code to a description of the planes in the buffer
1158 * that lets us create a __DRIimage for each of the planes. */
1160 static const struct wl_drm_components_descriptor
{
1161 uint32_t dri_components
;
1164 } wl_drm_components
[] = {
1165 { __DRI_IMAGE_COMPONENTS_RGB
, EGL_TEXTURE_RGB
, 1 },
1166 { __DRI_IMAGE_COMPONENTS_RGBA
, EGL_TEXTURE_RGBA
, 1 },
1167 { __DRI_IMAGE_COMPONENTS_Y_U_V
, EGL_TEXTURE_Y_U_V_WL
, 3 },
1168 { __DRI_IMAGE_COMPONENTS_Y_UV
, EGL_TEXTURE_Y_UV_WL
, 2 },
1169 { __DRI_IMAGE_COMPONENTS_Y_XUXV
, EGL_TEXTURE_Y_XUXV_WL
, 2 },
1173 dri2_create_image_wayland_wl_buffer(_EGLDisplay
*disp
, _EGLContext
*ctx
,
1174 EGLClientBuffer _buffer
,
1175 const EGLint
*attr_list
)
1177 struct wl_drm_buffer
*buffer
= (struct wl_drm_buffer
*) _buffer
;
1178 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1179 const struct wl_drm_components_descriptor
*f
;
1180 __DRIimage
*dri_image
;
1181 _EGLImageAttribs attrs
;
1185 if (!wayland_buffer_is_drm(&buffer
->buffer
))
1188 err
= _eglParseImageAttribList(&attrs
, disp
, attr_list
);
1189 plane
= attrs
.PlaneWL
;
1190 if (err
!= EGL_SUCCESS
) {
1191 _eglError(EGL_BAD_PARAMETER
, "dri2_create_image_wayland_wl_buffer");
1195 f
= buffer
->driver_format
;
1196 if (plane
< 0 || plane
>= f
->nplanes
) {
1197 _eglError(EGL_BAD_PARAMETER
,
1198 "dri2_create_image_wayland_wl_buffer (plane out of bounds)");
1202 dri_image
= dri2_dpy
->image
->fromPlanar(buffer
->driver_buffer
, plane
, NULL
);
1204 if (dri_image
== NULL
) {
1205 _eglError(EGL_BAD_PARAMETER
, "dri2_create_image_wayland_wl_buffer");
1209 return dri2_create_image(disp
, dri_image
);
1214 dri2_create_image_khr(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1215 _EGLContext
*ctx
, EGLenum target
,
1216 EGLClientBuffer buffer
, const EGLint
*attr_list
)
1221 case EGL_GL_RENDERBUFFER_KHR
:
1222 return dri2_create_image_khr_renderbuffer(disp
, ctx
, buffer
, attr_list
);
1223 case EGL_DRM_BUFFER_MESA
:
1224 return dri2_create_image_mesa_drm_buffer(disp
, ctx
, buffer
, attr_list
);
1225 #ifdef HAVE_WAYLAND_PLATFORM
1226 case EGL_WAYLAND_BUFFER_WL
:
1227 return dri2_create_image_wayland_wl_buffer(disp
, ctx
, buffer
, attr_list
);
1230 _eglError(EGL_BAD_PARAMETER
, "dri2_create_image_khr");
1231 return EGL_NO_IMAGE_KHR
;
1236 dri2_destroy_image_khr(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLImage
*image
)
1238 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1239 struct dri2_egl_image
*dri2_img
= dri2_egl_image(image
);
1243 dri2_dpy
->image
->destroyImage(dri2_img
->dri_image
);
1250 dri2_create_drm_image_mesa(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1251 const EGLint
*attr_list
)
1253 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1254 struct dri2_egl_image
*dri2_img
;
1255 _EGLImageAttribs attrs
;
1256 unsigned int dri_use
, valid_mask
;
1258 EGLint err
= EGL_SUCCESS
;
1262 dri2_img
= malloc(sizeof *dri2_img
);
1264 _eglError(EGL_BAD_ALLOC
, "dri2_create_image_khr");
1265 return EGL_NO_IMAGE_KHR
;
1269 err
= EGL_BAD_PARAMETER
;
1273 if (!_eglInitImage(&dri2_img
->base
, disp
)) {
1274 err
= EGL_BAD_PARAMETER
;
1278 err
= _eglParseImageAttribList(&attrs
, disp
, attr_list
);
1279 if (err
!= EGL_SUCCESS
)
1282 if (attrs
.Width
<= 0 || attrs
.Height
<= 0) {
1283 _eglLog(_EGL_WARNING
, "bad width or height (%dx%d)",
1284 attrs
.Width
, attrs
.Height
);
1288 switch (attrs
.DRMBufferFormatMESA
) {
1289 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA
:
1290 format
= __DRI_IMAGE_FORMAT_ARGB8888
;
1293 _eglLog(_EGL_WARNING
, "bad image format value 0x%04x",
1294 attrs
.DRMBufferFormatMESA
);
1299 EGL_DRM_BUFFER_USE_SCANOUT_MESA
|
1300 EGL_DRM_BUFFER_USE_SHARE_MESA
|
1301 EGL_DRM_BUFFER_USE_CURSOR_MESA
;
1302 if (attrs
.DRMBufferUseMESA
& ~valid_mask
) {
1303 _eglLog(_EGL_WARNING
, "bad image use bit 0x%04x",
1304 attrs
.DRMBufferUseMESA
& ~valid_mask
);
1309 if (attrs
.DRMBufferUseMESA
& EGL_DRM_BUFFER_USE_SHARE_MESA
)
1310 dri_use
|= __DRI_IMAGE_USE_SHARE
;
1311 if (attrs
.DRMBufferUseMESA
& EGL_DRM_BUFFER_USE_SCANOUT_MESA
)
1312 dri_use
|= __DRI_IMAGE_USE_SCANOUT
;
1313 if (attrs
.DRMBufferUseMESA
& EGL_DRM_BUFFER_USE_CURSOR_MESA
)
1314 dri_use
|= __DRI_IMAGE_USE_CURSOR
;
1316 dri2_img
->dri_image
=
1317 dri2_dpy
->image
->createImage(dri2_dpy
->dri_screen
,
1318 attrs
.Width
, attrs
.Height
,
1319 format
, dri_use
, dri2_img
);
1320 if (dri2_img
->dri_image
== NULL
) {
1321 err
= EGL_BAD_ALLOC
;
1325 return &dri2_img
->base
;
1329 _eglError(err
, "dri2_create_drm_image_mesa");
1331 return EGL_NO_IMAGE_KHR
;
1335 dri2_export_drm_image_mesa(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLImage
*img
,
1336 EGLint
*name
, EGLint
*handle
, EGLint
*stride
)
1338 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1339 struct dri2_egl_image
*dri2_img
= dri2_egl_image(img
);
1343 if (name
&& !dri2_dpy
->image
->queryImage(dri2_img
->dri_image
,
1344 __DRI_IMAGE_ATTRIB_NAME
, name
)) {
1345 _eglError(EGL_BAD_ALLOC
, "dri2_export_drm_image_mesa");
1350 dri2_dpy
->image
->queryImage(dri2_img
->dri_image
,
1351 __DRI_IMAGE_ATTRIB_HANDLE
, handle
);
1354 dri2_dpy
->image
->queryImage(dri2_img
->dri_image
,
1355 __DRI_IMAGE_ATTRIB_STRIDE
, stride
);
1360 #ifdef HAVE_WAYLAND_PLATFORM
1363 dri2_wl_reference_buffer(void *user_data
, uint32_t name
,
1364 struct wl_drm_buffer
*buffer
)
1366 _EGLDisplay
*disp
= user_data
;
1367 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1369 int i
, dri_components
= 0;
1371 img
= dri2_dpy
->image
->createImageFromNames(dri2_dpy
->dri_screen
,
1372 buffer
->buffer
.width
,
1373 buffer
->buffer
.height
,
1374 buffer
->format
, (int*)&name
, 1,
1382 dri2_dpy
->image
->queryImage(img
, __DRI_IMAGE_ATTRIB_COMPONENTS
, &dri_components
);
1384 buffer
->driver_format
= NULL
;
1385 for (i
= 0; i
< ARRAY_SIZE(wl_drm_components
); i
++)
1386 if (wl_drm_components
[i
].dri_components
== dri_components
)
1387 buffer
->driver_format
= &wl_drm_components
[i
];
1389 if (buffer
->driver_format
== NULL
)
1390 dri2_dpy
->image
->destroyImage(img
);
1392 buffer
->driver_buffer
= img
;
1396 dri2_wl_release_buffer(void *user_data
, struct wl_drm_buffer
*buffer
)
1398 _EGLDisplay
*disp
= user_data
;
1399 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1401 dri2_dpy
->image
->destroyImage(buffer
->driver_buffer
);
1404 static struct wayland_drm_callbacks wl_drm_callbacks
= {
1405 .authenticate
= NULL
,
1406 .reference_buffer
= dri2_wl_reference_buffer
,
1407 .release_buffer
= dri2_wl_release_buffer
1411 dri2_bind_wayland_display_wl(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1412 struct wl_display
*wl_dpy
)
1414 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1418 if (dri2_dpy
->wl_server_drm
)
1421 wl_drm_callbacks
.authenticate
=
1422 (int(*)(void *, uint32_t)) dri2_dpy
->authenticate
;
1424 dri2_dpy
->wl_server_drm
=
1425 wayland_drm_init(wl_dpy
, dri2_dpy
->device_name
,
1426 &wl_drm_callbacks
, disp
);
1428 if (!dri2_dpy
->wl_server_drm
)
1435 dri2_unbind_wayland_display_wl(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1436 struct wl_display
*wl_dpy
)
1438 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1442 if (!dri2_dpy
->wl_server_drm
)
1445 wayland_drm_uninit(dri2_dpy
->wl_server_drm
);
1446 dri2_dpy
->wl_server_drm
= NULL
;
1452 dri2_query_wayland_buffer_wl(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1453 struct wl_buffer
*_buffer
,
1454 EGLint attribute
, EGLint
*value
)
1456 struct wl_drm_buffer
*buffer
= (struct wl_drm_buffer
*) _buffer
;
1457 const struct wl_drm_components_descriptor
*format
;
1459 if (!wayland_buffer_is_drm(&buffer
->buffer
))
1462 format
= buffer
->driver_format
;
1463 switch (attribute
) {
1464 case EGL_TEXTURE_FORMAT
:
1465 *value
= format
->components
;
1468 *value
= buffer
->buffer
.width
;
1471 *value
= buffer
->buffer
.height
;
1480 dri2_unload(_EGLDriver
*drv
)
1482 struct dri2_egl_driver
*dri2_drv
= dri2_egl_driver(drv
);
1484 if (dri2_drv
->handle
)
1485 dlclose(dri2_drv
->handle
);
1490 dri2_load(_EGLDriver
*drv
)
1492 struct dri2_egl_driver
*dri2_drv
= dri2_egl_driver(drv
);
1493 #ifdef HAVE_SHARED_GLAPI
1494 #ifdef HAVE_ANDROID_PLATFORM
1495 const char *libname
= "libglapi.so";
1497 const char *libname
= "libglapi.so.0";
1501 * Both libGL.so and libglapi.so are glapi providers. There is no way to
1502 * tell which one to load.
1504 const char *libname
= NULL
;
1508 /* RTLD_GLOBAL to make sure glapi symbols are visible to DRI drivers */
1509 handle
= dlopen(libname
, RTLD_LAZY
| RTLD_GLOBAL
);
1511 dri2_drv
->get_proc_address
= (_EGLProc (*)(const char *))
1512 dlsym(handle
, "_glapi_get_proc_address");
1513 if (!dri2_drv
->get_proc_address
|| !libname
) {
1514 /* no need to keep a reference */
1520 /* if glapi is not available, loading DRI drivers will fail */
1521 if (!dri2_drv
->get_proc_address
) {
1522 _eglLog(_EGL_WARNING
, "DRI2: failed to find _glapi_get_proc_address");
1526 dri2_drv
->glFlush
= (void (*)(void))
1527 dri2_drv
->get_proc_address("glFlush");
1529 dri2_drv
->handle
= handle
;
1535 * This is the main entrypoint into the driver, called by libEGL.
1536 * Create a new _EGLDriver object and init its dispatch table.
1539 _eglBuiltInDriverDRI2(const char *args
)
1541 struct dri2_egl_driver
*dri2_drv
;
1545 dri2_drv
= calloc(1, sizeof *dri2_drv
);
1549 if (!dri2_load(&dri2_drv
->base
)) {
1554 _eglInitDriverFallbacks(&dri2_drv
->base
);
1555 dri2_drv
->base
.API
.Initialize
= dri2_initialize
;
1556 dri2_drv
->base
.API
.Terminate
= dri2_terminate
;
1557 dri2_drv
->base
.API
.CreateContext
= dri2_create_context
;
1558 dri2_drv
->base
.API
.DestroyContext
= dri2_destroy_context
;
1559 dri2_drv
->base
.API
.MakeCurrent
= dri2_make_current
;
1560 dri2_drv
->base
.API
.GetProcAddress
= dri2_get_proc_address
;
1561 dri2_drv
->base
.API
.WaitClient
= dri2_wait_client
;
1562 dri2_drv
->base
.API
.WaitNative
= dri2_wait_native
;
1563 dri2_drv
->base
.API
.BindTexImage
= dri2_bind_tex_image
;
1564 dri2_drv
->base
.API
.ReleaseTexImage
= dri2_release_tex_image
;
1565 dri2_drv
->base
.API
.CreateImageKHR
= dri2_create_image_khr
;
1566 dri2_drv
->base
.API
.DestroyImageKHR
= dri2_destroy_image_khr
;
1567 dri2_drv
->base
.API
.CreateDRMImageMESA
= dri2_create_drm_image_mesa
;
1568 dri2_drv
->base
.API
.ExportDRMImageMESA
= dri2_export_drm_image_mesa
;
1569 #ifdef HAVE_WAYLAND_PLATFORM
1570 dri2_drv
->base
.API
.BindWaylandDisplayWL
= dri2_bind_wayland_display_wl
;
1571 dri2_drv
->base
.API
.UnbindWaylandDisplayWL
= dri2_unbind_wayland_display_wl
;
1572 dri2_drv
->base
.API
.QueryWaylandBufferWL
= dri2_query_wayland_buffer_wl
;
1575 dri2_drv
->base
.Name
= "DRI2";
1576 dri2_drv
->base
.Unload
= dri2_unload
;
1578 return &dri2_drv
->base
;