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>
28 #define WL_HIDE_DEPRECATED
41 #include <c11/threads.h>
45 #include <drm_fourcc.h>
48 #include <GL/internal/dri_interface.h>
49 #include "GL/mesa_glinterop.h"
50 #include <sys/types.h>
53 #ifdef HAVE_WAYLAND_PLATFORM
54 #include "wayland-drm.h"
55 #include "wayland-drm-client-protocol.h"
58 #ifdef HAVE_X11_PLATFORM
59 #include "X11/Xlibint.h"
63 #include "loader/loader.h"
64 #include "util/u_atomic.h"
66 /* The kernel header drm_fourcc.h defines the DRM formats below. We duplicate
67 * some of the definitions here so that building Mesa won't bleeding-edge
71 #define DRM_FORMAT_R8 fourcc_code('R', '8', ' ', ' ') /* [7:0] R */
74 #ifndef DRM_FORMAT_RG88
75 #define DRM_FORMAT_RG88 fourcc_code('R', 'G', '8', '8') /* [15:0] R:G 8:8 little endian */
78 #ifndef DRM_FORMAT_GR88
79 #define DRM_FORMAT_GR88 fourcc_code('G', 'R', '8', '8') /* [15:0] G:R 8:8 little endian */
82 #ifndef DRM_FORMAT_R16
83 #define DRM_FORMAT_R16 fourcc_code('R', '1', '6', ' ') /* [15:0] R 16 little endian */
86 #ifndef DRM_FORMAT_GR1616
87 #define DRM_FORMAT_GR1616 fourcc_code('G', 'R', '3', '2') /* [31:0] R:G 16:16 little endian */
90 #ifndef DRM_FORMAT_MOD_INVALID
91 #define DRM_FORMAT_MOD_INVALID ((1ULL<<56) - 1)
95 dri_set_background_context(void *loaderPrivate
)
97 _EGLContext
*ctx
= _eglGetCurrentContext();
98 _EGLThreadInfo
*t
= _eglGetCurrentThread();
100 _eglBindContextToThread(ctx
, t
);
104 dri_is_thread_safe(void *loaderPrivate
)
106 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
107 _EGLDisplay
*display
= dri2_surf
->base
.Resource
.Display
;
109 #ifdef HAVE_X11_PLATFORM
110 Display
*xdpy
= (Display
*)display
->PlatformDisplay
;
112 /* Check Xlib is running in thread safe mode when running on EGL/X11-xlib
115 * 'lock_fns' is the XLockDisplay function pointer of the X11 display 'dpy'.
116 * It wll be NULL if XInitThreads wasn't called.
118 if (display
->Platform
== _EGL_PLATFORM_X11
&& xdpy
&& !xdpy
->lock_fns
)
122 #ifdef HAVE_WAYLAND_PLATFORM
123 if (display
->Platform
== _EGL_PLATFORM_WAYLAND
)
130 const __DRIbackgroundCallableExtension background_callable_extension
= {
131 .base
= { __DRI_BACKGROUND_CALLABLE
, 2 },
133 .setBackgroundContext
= dri_set_background_context
,
134 .isThreadSafe
= dri_is_thread_safe
,
137 const __DRIuseInvalidateExtension use_invalidate
= {
138 .base
= { __DRI_USE_INVALIDATE
, 1 }
141 static const EGLint dri2_to_egl_attribute_map
[__DRI_ATTRIB_MAX
] = {
142 [__DRI_ATTRIB_BUFFER_SIZE
] = EGL_BUFFER_SIZE
,
143 [__DRI_ATTRIB_LEVEL
] = EGL_LEVEL
,
144 [__DRI_ATTRIB_RED_SIZE
] = EGL_RED_SIZE
,
145 [__DRI_ATTRIB_GREEN_SIZE
] = EGL_GREEN_SIZE
,
146 [__DRI_ATTRIB_BLUE_SIZE
] = EGL_BLUE_SIZE
,
147 [__DRI_ATTRIB_LUMINANCE_SIZE
] = EGL_LUMINANCE_SIZE
,
148 [__DRI_ATTRIB_ALPHA_SIZE
] = EGL_ALPHA_SIZE
,
149 [__DRI_ATTRIB_DEPTH_SIZE
] = EGL_DEPTH_SIZE
,
150 [__DRI_ATTRIB_STENCIL_SIZE
] = EGL_STENCIL_SIZE
,
151 [__DRI_ATTRIB_SAMPLE_BUFFERS
] = EGL_SAMPLE_BUFFERS
,
152 [__DRI_ATTRIB_SAMPLES
] = EGL_SAMPLES
,
153 [__DRI_ATTRIB_MAX_PBUFFER_WIDTH
] = EGL_MAX_PBUFFER_WIDTH
,
154 [__DRI_ATTRIB_MAX_PBUFFER_HEIGHT
] = EGL_MAX_PBUFFER_HEIGHT
,
155 [__DRI_ATTRIB_MAX_PBUFFER_PIXELS
] = EGL_MAX_PBUFFER_PIXELS
,
156 [__DRI_ATTRIB_MAX_SWAP_INTERVAL
] = EGL_MAX_SWAP_INTERVAL
,
157 [__DRI_ATTRIB_MIN_SWAP_INTERVAL
] = EGL_MIN_SWAP_INTERVAL
,
158 [__DRI_ATTRIB_YINVERTED
] = EGL_Y_INVERTED_NOK
,
162 dri2_get_dri_config(struct dri2_egl_config
*conf
, EGLint surface_type
,
165 const bool double_buffer
= surface_type
== EGL_WINDOW_BIT
;
166 const bool srgb
= colorspace
== EGL_GL_COLORSPACE_SRGB_KHR
;
168 return conf
->dri_config
[double_buffer
][srgb
];
172 dri2_match_config(const _EGLConfig
*conf
, const _EGLConfig
*criteria
)
174 if (_eglCompareConfigs(conf
, criteria
, NULL
, EGL_FALSE
) != 0)
177 if (!_eglMatchConfig(conf
, criteria
))
183 struct dri2_egl_config
*
184 dri2_add_config(_EGLDisplay
*disp
, const __DRIconfig
*dri_config
, int id
,
185 EGLint surface_type
, const EGLint
*attr_list
,
186 const unsigned int *rgba_masks
)
188 struct dri2_egl_config
*conf
;
189 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
191 unsigned int attrib
, value
, double_buffer
;
193 EGLint key
, bind_to_texture_rgb
, bind_to_texture_rgba
;
194 unsigned int dri_masks
[4] = { 0, 0, 0, 0 };
195 _EGLConfig
*matching_config
;
196 EGLint num_configs
= 0;
199 _eglInitConfig(&base
, disp
, id
);
202 bind_to_texture_rgb
= 0;
203 bind_to_texture_rgba
= 0;
205 for (int i
= 0; dri2_dpy
->core
->indexConfigAttrib(dri_config
, i
, &attrib
,
208 case __DRI_ATTRIB_RENDER_TYPE
:
209 if (value
& __DRI_ATTRIB_RGBA_BIT
)
210 value
= EGL_RGB_BUFFER
;
211 else if (value
& __DRI_ATTRIB_LUMINANCE_BIT
)
212 value
= EGL_LUMINANCE_BUFFER
;
215 _eglSetConfigKey(&base
, EGL_COLOR_BUFFER_TYPE
, value
);
218 case __DRI_ATTRIB_CONFIG_CAVEAT
:
219 if (value
& __DRI_ATTRIB_NON_CONFORMANT_CONFIG
)
220 value
= EGL_NON_CONFORMANT_CONFIG
;
221 else if (value
& __DRI_ATTRIB_SLOW_BIT
)
222 value
= EGL_SLOW_CONFIG
;
225 _eglSetConfigKey(&base
, EGL_CONFIG_CAVEAT
, value
);
228 case __DRI_ATTRIB_BIND_TO_TEXTURE_RGB
:
229 bind_to_texture_rgb
= value
;
232 case __DRI_ATTRIB_BIND_TO_TEXTURE_RGBA
:
233 bind_to_texture_rgba
= value
;
236 case __DRI_ATTRIB_DOUBLE_BUFFER
:
237 double_buffer
= value
;
240 case __DRI_ATTRIB_RED_MASK
:
241 dri_masks
[0] = value
;
244 case __DRI_ATTRIB_GREEN_MASK
:
245 dri_masks
[1] = value
;
248 case __DRI_ATTRIB_BLUE_MASK
:
249 dri_masks
[2] = value
;
252 case __DRI_ATTRIB_ALPHA_MASK
:
253 dri_masks
[3] = value
;
256 case __DRI_ATTRIB_ACCUM_RED_SIZE
:
257 case __DRI_ATTRIB_ACCUM_GREEN_SIZE
:
258 case __DRI_ATTRIB_ACCUM_BLUE_SIZE
:
259 case __DRI_ATTRIB_ACCUM_ALPHA_SIZE
:
260 /* Don't expose visuals with the accumulation buffer. */
265 case __DRI_ATTRIB_FRAMEBUFFER_SRGB_CAPABLE
:
267 if (!disp
->Extensions
.KHR_gl_colorspace
&& srgb
)
271 case __DRI_ATTRIB_MAX_PBUFFER_WIDTH
:
272 _eglSetConfigKey(&base
, EGL_MAX_PBUFFER_WIDTH
,
273 _EGL_MAX_PBUFFER_WIDTH
);
275 case __DRI_ATTRIB_MAX_PBUFFER_HEIGHT
:
276 _eglSetConfigKey(&base
, EGL_MAX_PBUFFER_HEIGHT
,
277 _EGL_MAX_PBUFFER_HEIGHT
);
281 key
= dri2_to_egl_attribute_map
[attrib
];
283 _eglSetConfigKey(&base
, key
, value
);
289 for (int i
= 0; attr_list
[i
] != EGL_NONE
; i
+= 2)
290 _eglSetConfigKey(&base
, attr_list
[i
], attr_list
[i
+1]);
292 if (rgba_masks
&& memcmp(rgba_masks
, dri_masks
, sizeof(dri_masks
)))
295 base
.NativeRenderable
= EGL_TRUE
;
297 base
.SurfaceType
= surface_type
;
298 if (surface_type
& (EGL_PBUFFER_BIT
|
299 (disp
->Extensions
.NOK_texture_from_pixmap
? EGL_PIXMAP_BIT
: 0))) {
300 base
.BindToTextureRGB
= bind_to_texture_rgb
;
301 if (base
.AlphaSize
> 0)
302 base
.BindToTextureRGBA
= bind_to_texture_rgba
;
305 base
.RenderableType
= disp
->ClientAPIs
;
306 base
.Conformant
= disp
->ClientAPIs
;
308 base
.MinSwapInterval
= dri2_dpy
->min_swap_interval
;
309 base
.MaxSwapInterval
= dri2_dpy
->max_swap_interval
;
311 if (!_eglValidateConfig(&base
, EGL_FALSE
)) {
312 _eglLog(_EGL_DEBUG
, "DRI2: failed to validate config %d", id
);
316 config_id
= base
.ConfigID
;
317 base
.ConfigID
= EGL_DONT_CARE
;
318 base
.SurfaceType
= EGL_DONT_CARE
;
319 num_configs
= _eglFilterArray(disp
->Configs
, (void **) &matching_config
, 1,
320 (_EGLArrayForEach
) dri2_match_config
, &base
);
322 if (num_configs
== 1) {
323 conf
= (struct dri2_egl_config
*) matching_config
;
325 if (!conf
->dri_config
[double_buffer
][srgb
])
326 conf
->dri_config
[double_buffer
][srgb
] = dri_config
;
328 /* a similar config type is already added (unlikely) => discard */
331 else if (num_configs
== 0) {
332 conf
= calloc(1, sizeof *conf
);
336 conf
->dri_config
[double_buffer
][srgb
] = dri_config
;
338 memcpy(&conf
->base
, &base
, sizeof base
);
339 conf
->base
.SurfaceType
= 0;
340 conf
->base
.ConfigID
= config_id
;
342 _eglLinkConfig(&conf
->base
);
350 surface_type
&= ~EGL_PIXMAP_BIT
;
353 /* No support for pbuffer + MSAA for now.
355 * XXX TODO: pbuffer + MSAA does not work and causes crashes.
356 * See QT bugreport: https://bugreports.qt.io/browse/QTBUG-47509
359 surface_type
&= ~EGL_PBUFFER_BIT
;
362 conf
->base
.SurfaceType
|= surface_type
;
368 dri2_lookup_egl_image(__DRIscreen
*screen
, void *image
, void *data
)
370 _EGLDisplay
*disp
= data
;
371 struct dri2_egl_image
*dri2_img
;
376 img
= _eglLookupImage(image
, disp
);
378 _eglError(EGL_BAD_PARAMETER
, "dri2_lookup_egl_image");
382 dri2_img
= dri2_egl_image(image
);
384 return dri2_img
->dri_image
;
387 const __DRIimageLookupExtension image_lookup_extension
= {
388 .base
= { __DRI_IMAGE_LOOKUP
, 1 },
390 .lookupEGLImage
= dri2_lookup_egl_image
393 struct dri2_extension_match
{
399 static const struct dri2_extension_match dri3_driver_extensions
[] = {
400 { __DRI_CORE
, 1, offsetof(struct dri2_egl_display
, core
) },
401 { __DRI_IMAGE_DRIVER
, 1, offsetof(struct dri2_egl_display
, image_driver
) },
405 static const struct dri2_extension_match dri2_driver_extensions
[] = {
406 { __DRI_CORE
, 1, offsetof(struct dri2_egl_display
, core
) },
407 { __DRI_DRI2
, 2, offsetof(struct dri2_egl_display
, dri2
) },
411 static const struct dri2_extension_match dri2_core_extensions
[] = {
412 { __DRI2_FLUSH
, 1, offsetof(struct dri2_egl_display
, flush
) },
413 { __DRI_TEX_BUFFER
, 2, offsetof(struct dri2_egl_display
, tex_buffer
) },
414 { __DRI_IMAGE
, 1, offsetof(struct dri2_egl_display
, image
) },
418 static const struct dri2_extension_match swrast_driver_extensions
[] = {
419 { __DRI_CORE
, 1, offsetof(struct dri2_egl_display
, core
) },
420 { __DRI_SWRAST
, 2, offsetof(struct dri2_egl_display
, swrast
) },
424 static const struct dri2_extension_match swrast_core_extensions
[] = {
425 { __DRI_TEX_BUFFER
, 2, offsetof(struct dri2_egl_display
, tex_buffer
) },
429 static const struct dri2_extension_match optional_core_extensions
[] = {
430 { __DRI2_ROBUSTNESS
, 1, offsetof(struct dri2_egl_display
, robustness
) },
431 { __DRI2_CONFIG_QUERY
, 1, offsetof(struct dri2_egl_display
, config
) },
432 { __DRI2_FENCE
, 1, offsetof(struct dri2_egl_display
, fence
) },
433 { __DRI2_RENDERER_QUERY
, 1, offsetof(struct dri2_egl_display
, rendererQuery
) },
434 { __DRI2_INTEROP
, 1, offsetof(struct dri2_egl_display
, interop
) },
439 dri2_bind_extensions(struct dri2_egl_display
*dri2_dpy
,
440 const struct dri2_extension_match
*matches
,
441 const __DRIextension
**extensions
,
447 for (int i
= 0; extensions
[i
]; i
++) {
448 _eglLog(_EGL_DEBUG
, "found extension `%s'", extensions
[i
]->name
);
449 for (int j
= 0; matches
[j
].name
; j
++) {
450 if (strcmp(extensions
[i
]->name
, matches
[j
].name
) == 0 &&
451 extensions
[i
]->version
>= matches
[j
].version
) {
452 field
= ((char *) dri2_dpy
+ matches
[j
].offset
);
453 *(const __DRIextension
**) field
= extensions
[i
];
454 _eglLog(_EGL_INFO
, "found extension %s version %d",
455 extensions
[i
]->name
, extensions
[i
]->version
);
461 for (int j
= 0; matches
[j
].name
; j
++) {
462 field
= ((char *) dri2_dpy
+ matches
[j
].offset
);
463 if (*(const __DRIextension
**) field
== NULL
) {
465 _eglLog(_EGL_DEBUG
, "did not find optional extension %s version %d",
466 matches
[j
].name
, matches
[j
].version
);
468 _eglLog(_EGL_WARNING
, "did not find extension %s version %d",
469 matches
[j
].name
, matches
[j
].version
);
478 static const __DRIextension
**
479 dri2_open_driver(_EGLDisplay
*disp
)
481 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
482 const __DRIextension
**extensions
= NULL
;
483 char path
[PATH_MAX
], *search_paths
, *next
, *end
;
484 char *get_extensions_name
;
485 const __DRIextension
**(*get_extensions
)(void);
488 if (geteuid() == getuid()) {
489 /* don't allow setuid apps to use LIBGL_DRIVERS_PATH */
490 search_paths
= getenv("LIBGL_DRIVERS_PATH");
492 if (search_paths
== NULL
)
493 search_paths
= DEFAULT_DRIVER_DIR
;
495 dri2_dpy
->driver
= NULL
;
496 end
= search_paths
+ strlen(search_paths
);
497 for (char *p
= search_paths
; p
< end
; p
= next
+ 1) {
499 next
= strchr(p
, ':');
505 snprintf(path
, sizeof path
,
506 "%.*s/tls/%s_dri.so", len
, p
, dri2_dpy
->driver_name
);
507 dri2_dpy
->driver
= dlopen(path
, RTLD_NOW
| RTLD_GLOBAL
);
509 if (dri2_dpy
->driver
== NULL
) {
510 snprintf(path
, sizeof path
,
511 "%.*s/%s_dri.so", len
, p
, dri2_dpy
->driver_name
);
512 dri2_dpy
->driver
= dlopen(path
, RTLD_NOW
| RTLD_GLOBAL
);
513 if (dri2_dpy
->driver
== NULL
)
514 _eglLog(_EGL_DEBUG
, "failed to open %s: %s\n", path
, dlerror());
516 /* not need continue to loop all paths once the driver is found */
517 if (dri2_dpy
->driver
!= NULL
)
521 if (dri2_dpy
->driver
== NULL
) {
522 _eglLog(_EGL_WARNING
,
523 "DRI2: failed to open %s (search paths %s)",
524 dri2_dpy
->driver_name
, search_paths
);
528 _eglLog(_EGL_DEBUG
, "DRI2: dlopen(%s)", path
);
530 get_extensions_name
= loader_get_extensions_name(dri2_dpy
->driver_name
);
531 if (get_extensions_name
) {
532 get_extensions
= dlsym(dri2_dpy
->driver
, get_extensions_name
);
533 if (get_extensions
) {
534 extensions
= get_extensions();
536 _eglLog(_EGL_DEBUG
, "driver does not expose %s(): %s\n",
537 get_extensions_name
, dlerror());
539 free(get_extensions_name
);
543 extensions
= dlsym(dri2_dpy
->driver
, __DRI_DRIVER_EXTENSIONS
);
544 if (extensions
== NULL
) {
545 _eglLog(_EGL_WARNING
,
546 "DRI2: driver exports no extensions (%s)", dlerror());
547 dlclose(dri2_dpy
->driver
);
554 dri2_load_driver_dri3(_EGLDisplay
*disp
)
556 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
557 const __DRIextension
**extensions
;
559 extensions
= dri2_open_driver(disp
);
563 if (!dri2_bind_extensions(dri2_dpy
, dri3_driver_extensions
, extensions
, false)) {
564 dlclose(dri2_dpy
->driver
);
567 dri2_dpy
->driver_extensions
= extensions
;
573 dri2_load_driver(_EGLDisplay
*disp
)
575 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
576 const __DRIextension
**extensions
;
578 extensions
= dri2_open_driver(disp
);
582 if (!dri2_bind_extensions(dri2_dpy
, dri2_driver_extensions
, extensions
, false)) {
583 dlclose(dri2_dpy
->driver
);
586 dri2_dpy
->driver_extensions
= extensions
;
592 dri2_load_driver_swrast(_EGLDisplay
*disp
)
594 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
595 const __DRIextension
**extensions
;
597 extensions
= dri2_open_driver(disp
);
601 if (!dri2_bind_extensions(dri2_dpy
, swrast_driver_extensions
, extensions
, false)) {
602 dlclose(dri2_dpy
->driver
);
605 dri2_dpy
->driver_extensions
= extensions
;
611 dri2_renderer_query_integer(struct dri2_egl_display
*dri2_dpy
, int param
)
613 const __DRI2rendererQueryExtension
*rendererQuery
= dri2_dpy
->rendererQuery
;
614 unsigned int value
= 0;
616 if (!rendererQuery
||
617 rendererQuery
->queryInteger(dri2_dpy
->dri_screen
, param
, &value
) == -1)
624 dri2_setup_screen(_EGLDisplay
*disp
)
626 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
627 unsigned int api_mask
;
629 if (dri2_dpy
->image_driver
) {
630 api_mask
= dri2_dpy
->image_driver
->getAPIMask(dri2_dpy
->dri_screen
);
631 } else if (dri2_dpy
->dri2
) {
632 api_mask
= dri2_dpy
->dri2
->getAPIMask(dri2_dpy
->dri_screen
);
634 assert(dri2_dpy
->swrast
);
635 api_mask
= 1 << __DRI_API_OPENGL
|
636 1 << __DRI_API_GLES
|
637 1 << __DRI_API_GLES2
|
638 1 << __DRI_API_GLES3
;
641 disp
->ClientAPIs
= 0;
642 if ((api_mask
& (1 <<__DRI_API_OPENGL
)) && _eglIsApiValid(EGL_OPENGL_API
))
643 disp
->ClientAPIs
|= EGL_OPENGL_BIT
;
644 if ((api_mask
& (1 << __DRI_API_GLES
)) && _eglIsApiValid(EGL_OPENGL_ES_API
))
645 disp
->ClientAPIs
|= EGL_OPENGL_ES_BIT
;
646 if ((api_mask
& (1 << __DRI_API_GLES2
)) && _eglIsApiValid(EGL_OPENGL_ES_API
))
647 disp
->ClientAPIs
|= EGL_OPENGL_ES2_BIT
;
648 if ((api_mask
& (1 << __DRI_API_GLES3
)) && _eglIsApiValid(EGL_OPENGL_ES_API
))
649 disp
->ClientAPIs
|= EGL_OPENGL_ES3_BIT_KHR
;
651 assert(dri2_dpy
->image_driver
|| dri2_dpy
->dri2
|| dri2_dpy
->swrast
);
652 disp
->Extensions
.KHR_no_config_context
= EGL_TRUE
;
653 disp
->Extensions
.KHR_surfaceless_context
= EGL_TRUE
;
655 if (dri2_renderer_query_integer(dri2_dpy
,
656 __DRI2_RENDERER_HAS_FRAMEBUFFER_SRGB
))
657 disp
->Extensions
.KHR_gl_colorspace
= EGL_TRUE
;
659 if (dri2_dpy
->image_driver
||
660 (dri2_dpy
->dri2
&& dri2_dpy
->dri2
->base
.version
>= 3) ||
661 (dri2_dpy
->swrast
&& dri2_dpy
->swrast
->base
.version
>= 3)) {
662 disp
->Extensions
.KHR_create_context
= EGL_TRUE
;
664 if (dri2_dpy
->robustness
)
665 disp
->Extensions
.EXT_create_context_robustness
= EGL_TRUE
;
668 if (dri2_dpy
->fence
) {
669 disp
->Extensions
.KHR_fence_sync
= EGL_TRUE
;
670 disp
->Extensions
.KHR_wait_sync
= EGL_TRUE
;
671 if (dri2_dpy
->fence
->get_fence_from_cl_event
)
672 disp
->Extensions
.KHR_cl_event2
= EGL_TRUE
;
673 if (dri2_dpy
->fence
->base
.version
>= 2) {
674 unsigned capabilities
=
675 dri2_dpy
->fence
->get_capabilities(dri2_dpy
->dri_screen
);
676 disp
->Extensions
.ANDROID_native_fence_sync
=
677 (capabilities
& __DRI_FENCE_CAP_NATIVE_FD
) != 0;
681 disp
->Extensions
.KHR_reusable_sync
= EGL_TRUE
;
683 if (dri2_dpy
->image
) {
684 if (dri2_dpy
->image
->base
.version
>= 10 &&
685 dri2_dpy
->image
->getCapabilities
!= NULL
) {
688 capabilities
= dri2_dpy
->image
->getCapabilities(dri2_dpy
->dri_screen
);
689 disp
->Extensions
.MESA_drm_image
= (capabilities
& __DRI_IMAGE_CAP_GLOBAL_NAMES
) != 0;
691 if (dri2_dpy
->image
->base
.version
>= 11)
692 disp
->Extensions
.MESA_image_dma_buf_export
= EGL_TRUE
;
694 disp
->Extensions
.MESA_drm_image
= EGL_TRUE
;
695 if (dri2_dpy
->image
->base
.version
>= 11)
696 disp
->Extensions
.MESA_image_dma_buf_export
= EGL_TRUE
;
699 disp
->Extensions
.KHR_image_base
= EGL_TRUE
;
700 disp
->Extensions
.KHR_gl_renderbuffer_image
= EGL_TRUE
;
701 if (dri2_dpy
->image
->base
.version
>= 5 &&
702 dri2_dpy
->image
->createImageFromTexture
) {
703 disp
->Extensions
.KHR_gl_texture_2D_image
= EGL_TRUE
;
704 disp
->Extensions
.KHR_gl_texture_cubemap_image
= EGL_TRUE
;
706 if (dri2_renderer_query_integer(dri2_dpy
,
707 __DRI2_RENDERER_HAS_TEXTURE_3D
))
708 disp
->Extensions
.KHR_gl_texture_3D_image
= EGL_TRUE
;
710 if (dri2_dpy
->image
->base
.version
>= 8 &&
711 dri2_dpy
->image
->createImageFromDmaBufs
) {
712 disp
->Extensions
.EXT_image_dma_buf_import
= EGL_TRUE
;
714 if (dri2_dpy
->image
->base
.version
>= 15 &&
715 dri2_dpy
->image
->createImageFromDmaBufs2
&&
716 dri2_dpy
->image
->queryDmaBufFormats
&&
717 dri2_dpy
->image
->queryDmaBufModifiers
) {
718 disp
->Extensions
.EXT_image_dma_buf_import_modifiers
= EGL_TRUE
;
724 /* All platforms but DRM call this function to create the screen and populate
725 * the driver_configs. DRM inherits that information from its display - GBM.
728 dri2_create_screen(_EGLDisplay
*disp
)
730 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
732 if (dri2_dpy
->image_driver
) {
733 dri2_dpy
->dri_screen
=
734 dri2_dpy
->image_driver
->createNewScreen2(0, dri2_dpy
->fd
,
735 dri2_dpy
->loader_extensions
,
736 dri2_dpy
->driver_extensions
,
737 &dri2_dpy
->driver_configs
,
739 } else if (dri2_dpy
->dri2
) {
740 if (dri2_dpy
->dri2
->base
.version
>= 4) {
741 dri2_dpy
->dri_screen
=
742 dri2_dpy
->dri2
->createNewScreen2(0, dri2_dpy
->fd
,
743 dri2_dpy
->loader_extensions
,
744 dri2_dpy
->driver_extensions
,
745 &dri2_dpy
->driver_configs
, disp
);
747 dri2_dpy
->dri_screen
=
748 dri2_dpy
->dri2
->createNewScreen(0, dri2_dpy
->fd
,
749 dri2_dpy
->loader_extensions
,
750 &dri2_dpy
->driver_configs
, disp
);
753 assert(dri2_dpy
->swrast
);
754 if (dri2_dpy
->swrast
->base
.version
>= 4) {
755 dri2_dpy
->dri_screen
=
756 dri2_dpy
->swrast
->createNewScreen2(0, dri2_dpy
->loader_extensions
,
757 dri2_dpy
->driver_extensions
,
758 &dri2_dpy
->driver_configs
, disp
);
760 dri2_dpy
->dri_screen
=
761 dri2_dpy
->swrast
->createNewScreen(0, dri2_dpy
->loader_extensions
,
762 &dri2_dpy
->driver_configs
, disp
);
766 if (dri2_dpy
->dri_screen
== NULL
) {
767 _eglLog(_EGL_WARNING
, "DRI2: failed to create dri screen");
771 dri2_dpy
->own_dri_screen
= true;
776 dri2_setup_extensions(_EGLDisplay
*disp
)
778 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
779 const struct dri2_extension_match
*mandatory_core_extensions
;
780 const __DRIextension
**extensions
;
782 extensions
= dri2_dpy
->core
->getExtensions(dri2_dpy
->dri_screen
);
784 if (dri2_dpy
->image_driver
|| dri2_dpy
->dri2
)
785 mandatory_core_extensions
= dri2_core_extensions
;
787 mandatory_core_extensions
= swrast_core_extensions
;
789 if (!dri2_bind_extensions(dri2_dpy
, mandatory_core_extensions
, extensions
, false))
792 dri2_bind_extensions(dri2_dpy
, optional_core_extensions
, extensions
, true);
797 * Called via eglInitialize(), GLX_drv->API.Initialize().
799 * This must be guaranteed to be called exactly once, even if eglInitialize is
800 * called many times (without a eglTerminate in between).
803 dri2_initialize(_EGLDriver
*drv
, _EGLDisplay
*disp
)
805 EGLBoolean ret
= EGL_FALSE
;
806 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
808 /* In the case where the application calls eglMakeCurrent(context1),
809 * eglTerminate, then eglInitialize again (without a call to eglReleaseThread
810 * or eglMakeCurrent(NULL) before that), dri2_dpy structure is still
811 * initialized, as we need it to be able to free context1 correctly.
813 * It would probably be safest to forcibly release the display with
814 * dri2_display_release, to make sure the display is reinitialized correctly.
815 * However, the EGL spec states that we need to keep a reference to the
816 * current context (so we cannot call dri2_make_current(NULL)), and therefore
817 * we would leak context1 as we would be missing the old display connection
818 * to free it up correctly.
821 dri2_dpy
->ref_count
++;
825 /* not until swrast_dri is supported */
826 if (disp
->Options
.UseFallback
)
829 /* Nothing to initialize for a test only display */
830 if (disp
->Options
.TestOnly
)
833 switch (disp
->Platform
) {
834 #ifdef HAVE_SURFACELESS_PLATFORM
835 case _EGL_PLATFORM_SURFACELESS
:
836 ret
= dri2_initialize_surfaceless(drv
, disp
);
839 #ifdef HAVE_X11_PLATFORM
840 case _EGL_PLATFORM_X11
:
841 ret
= dri2_initialize_x11(drv
, disp
);
844 #ifdef HAVE_DRM_PLATFORM
845 case _EGL_PLATFORM_DRM
:
846 ret
= dri2_initialize_drm(drv
, disp
);
849 #ifdef HAVE_WAYLAND_PLATFORM
850 case _EGL_PLATFORM_WAYLAND
:
851 ret
= dri2_initialize_wayland(drv
, disp
);
854 #ifdef HAVE_ANDROID_PLATFORM
855 case _EGL_PLATFORM_ANDROID
:
856 ret
= dri2_initialize_android(drv
, disp
);
860 _eglLog(_EGL_WARNING
, "No EGL platform enabled.");
865 dri2_dpy
= dri2_egl_display(disp
);
871 dri2_dpy
->ref_count
++;
878 * Decrement display reference count, and free up display if necessary.
881 dri2_display_release(_EGLDisplay
*disp
)
883 struct dri2_egl_display
*dri2_dpy
;
888 dri2_dpy
= dri2_egl_display(disp
);
890 assert(dri2_dpy
->ref_count
> 0);
891 dri2_dpy
->ref_count
--;
893 if (dri2_dpy
->ref_count
> 0)
896 _eglCleanupDisplay(disp
);
897 dri2_display_destroy(disp
);
901 dri2_display_destroy(_EGLDisplay
*disp
)
903 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
905 if (dri2_dpy
->own_dri_screen
)
906 dri2_dpy
->core
->destroyScreen(dri2_dpy
->dri_screen
);
907 if (dri2_dpy
->fd
>= 0)
909 if (dri2_dpy
->driver
)
910 dlclose(dri2_dpy
->driver
);
911 free(dri2_dpy
->driver_name
);
913 #ifdef HAVE_WAYLAND_PLATFORM
914 free(dri2_dpy
->device_name
);
917 switch (disp
->Platform
) {
918 #ifdef HAVE_X11_PLATFORM
919 case _EGL_PLATFORM_X11
:
920 if (dri2_dpy
->own_device
) {
921 xcb_disconnect(dri2_dpy
->conn
);
925 #ifdef HAVE_DRM_PLATFORM
926 case _EGL_PLATFORM_DRM
:
927 if (dri2_dpy
->own_device
) {
928 gbm_device_destroy(&dri2_dpy
->gbm_dri
->base
);
932 #ifdef HAVE_WAYLAND_PLATFORM
933 case _EGL_PLATFORM_WAYLAND
:
934 if (dri2_dpy
->wl_drm
)
935 wl_drm_destroy(dri2_dpy
->wl_drm
);
936 if (dri2_dpy
->wl_shm
)
937 wl_shm_destroy(dri2_dpy
->wl_shm
);
938 wl_registry_destroy(dri2_dpy
->wl_registry
);
939 wl_event_queue_destroy(dri2_dpy
->wl_queue
);
940 wl_proxy_wrapper_destroy(dri2_dpy
->wl_dpy_wrapper
);
941 if (dri2_dpy
->own_device
) {
942 wl_display_disconnect(dri2_dpy
->wl_dpy
);
950 /* The drm platform does not create the screen/driver_configs but reuses
951 * the ones from the gbm device. As such the gbm itself is responsible
954 if (disp
->Platform
!= _EGL_PLATFORM_DRM
&& dri2_dpy
->driver_configs
) {
955 for (unsigned i
= 0; dri2_dpy
->driver_configs
[i
]; i
++)
956 free((__DRIconfig
*) dri2_dpy
->driver_configs
[i
]);
957 free(dri2_dpy
->driver_configs
);
960 disp
->DriverData
= NULL
;
964 * Called via eglTerminate(), drv->API.Terminate().
966 * This must be guaranteed to be called exactly once, even if eglTerminate is
967 * called many times (without a eglInitialize in between).
970 dri2_terminate(_EGLDriver
*drv
, _EGLDisplay
*disp
)
972 /* Release all non-current Context/Surfaces. */
973 _eglReleaseDisplayResources(drv
, disp
);
975 dri2_display_release(disp
);
981 * Set the error code after a call to
982 * dri2_egl_display::dri2::createContextAttribs.
985 dri2_create_context_attribs_error(int dri_error
)
990 case __DRI_CTX_ERROR_SUCCESS
:
993 case __DRI_CTX_ERROR_NO_MEMORY
:
994 egl_error
= EGL_BAD_ALLOC
;
997 /* From the EGL_KHR_create_context spec, section "Errors":
999 * * If <config> does not support a client API context compatible
1000 * with the requested API major and minor version, [...] context flags,
1001 * and context reset notification behavior (for client API types where
1002 * these attributes are supported), then an EGL_BAD_MATCH error is
1005 * * If an OpenGL ES context is requested and the values for
1006 * attributes EGL_CONTEXT_MAJOR_VERSION_KHR and
1007 * EGL_CONTEXT_MINOR_VERSION_KHR specify an OpenGL ES version that
1008 * is not defined, than an EGL_BAD_MATCH error is generated.
1010 * * If an OpenGL context is requested, the requested version is
1011 * greater than 3.2, and the value for attribute
1012 * EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR has no bits set; has any
1013 * bits set other than EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR and
1014 * EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR; has more than
1015 * one of these bits set; or if the implementation does not support
1016 * the requested profile, then an EGL_BAD_MATCH error is generated.
1018 case __DRI_CTX_ERROR_BAD_API
:
1019 case __DRI_CTX_ERROR_BAD_VERSION
:
1020 case __DRI_CTX_ERROR_BAD_FLAG
:
1021 egl_error
= EGL_BAD_MATCH
;
1024 /* From the EGL_KHR_create_context spec, section "Errors":
1026 * * If an attribute name or attribute value in <attrib_list> is not
1027 * recognized (including unrecognized bits in bitmask attributes),
1028 * then an EGL_BAD_ATTRIBUTE error is generated."
1030 case __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE
:
1031 case __DRI_CTX_ERROR_UNKNOWN_FLAG
:
1032 egl_error
= EGL_BAD_ATTRIBUTE
;
1037 egl_error
= EGL_BAD_MATCH
;
1041 _eglError(egl_error
, "dri2_create_context");
1045 dri2_fill_context_attribs(struct dri2_egl_context
*dri2_ctx
,
1046 struct dri2_egl_display
*dri2_dpy
,
1047 uint32_t *ctx_attribs
,
1048 unsigned *num_attribs
)
1052 assert(*num_attribs
>= 8);
1054 ctx_attribs
[pos
++] = __DRI_CTX_ATTRIB_MAJOR_VERSION
;
1055 ctx_attribs
[pos
++] = dri2_ctx
->base
.ClientMajorVersion
;
1056 ctx_attribs
[pos
++] = __DRI_CTX_ATTRIB_MINOR_VERSION
;
1057 ctx_attribs
[pos
++] = dri2_ctx
->base
.ClientMinorVersion
;
1059 if (dri2_ctx
->base
.Flags
!= 0) {
1060 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
1061 * extension, don't even try to send it the robust-access flag.
1062 * It may explode. Instead, generate the required EGL error here.
1064 if ((dri2_ctx
->base
.Flags
& EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR
) != 0
1065 && !dri2_dpy
->robustness
) {
1066 _eglError(EGL_BAD_MATCH
, "eglCreateContext");
1070 ctx_attribs
[pos
++] = __DRI_CTX_ATTRIB_FLAGS
;
1071 ctx_attribs
[pos
++] = dri2_ctx
->base
.Flags
;
1074 if (dri2_ctx
->base
.ResetNotificationStrategy
!= EGL_NO_RESET_NOTIFICATION_KHR
) {
1075 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
1076 * extension, don't even try to send it a reset strategy. It may
1077 * explode. Instead, generate the required EGL error here.
1079 if (!dri2_dpy
->robustness
) {
1080 _eglError(EGL_BAD_CONFIG
, "eglCreateContext");
1084 ctx_attribs
[pos
++] = __DRI_CTX_ATTRIB_RESET_STRATEGY
;
1085 ctx_attribs
[pos
++] = __DRI_CTX_RESET_LOSE_CONTEXT
;
1094 * Called via eglCreateContext(), drv->API.CreateContext().
1096 static _EGLContext
*
1097 dri2_create_context(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLConfig
*conf
,
1098 _EGLContext
*share_list
, const EGLint
*attrib_list
)
1100 struct dri2_egl_context
*dri2_ctx
;
1101 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1102 struct dri2_egl_context
*dri2_ctx_shared
= dri2_egl_context(share_list
);
1103 __DRIcontext
*shared
=
1104 dri2_ctx_shared
? dri2_ctx_shared
->dri_context
: NULL
;
1105 struct dri2_egl_config
*dri2_config
= dri2_egl_config(conf
);
1106 const __DRIconfig
*dri_config
;
1111 dri2_ctx
= malloc(sizeof *dri2_ctx
);
1113 _eglError(EGL_BAD_ALLOC
, "eglCreateContext");
1117 if (!_eglInitContext(&dri2_ctx
->base
, disp
, conf
, attrib_list
))
1120 /* The EGL_EXT_create_context_robustness spec says:
1122 * "Add to the eglCreateContext context creation errors: [...]
1124 * * If the reset notification behavior of <share_context> and the
1125 * newly created context are different then an EGL_BAD_MATCH error is
1128 if (share_list
&& share_list
->ResetNotificationStrategy
!=
1129 dri2_ctx
->base
.ResetNotificationStrategy
) {
1130 _eglError(EGL_BAD_MATCH
, "eglCreateContext");
1134 switch (dri2_ctx
->base
.ClientAPI
) {
1135 case EGL_OPENGL_ES_API
:
1136 switch (dri2_ctx
->base
.ClientMajorVersion
) {
1138 api
= __DRI_API_GLES
;
1141 api
= __DRI_API_GLES2
;
1144 api
= __DRI_API_GLES3
;
1147 _eglError(EGL_BAD_PARAMETER
, "eglCreateContext");
1152 case EGL_OPENGL_API
:
1153 if ((dri2_ctx
->base
.ClientMajorVersion
>= 4
1154 || (dri2_ctx
->base
.ClientMajorVersion
== 3
1155 && dri2_ctx
->base
.ClientMinorVersion
>= 2))
1156 && dri2_ctx
->base
.Profile
== EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR
)
1157 api
= __DRI_API_OPENGL_CORE
;
1159 api
= __DRI_API_OPENGL
;
1162 _eglError(EGL_BAD_PARAMETER
, "eglCreateContext");
1168 /* The config chosen here isn't necessarily
1169 * used for surfaces later.
1170 * A pixmap surface will use the single config.
1171 * This opportunity depends on disabling the
1172 * doubleBufferMode check in
1173 * src/mesa/main/context.c:check_compatible()
1175 if (dri2_config
->dri_config
[1][0])
1176 dri_config
= dri2_config
->dri_config
[1][0];
1178 dri_config
= dri2_config
->dri_config
[0][0];
1180 /* EGL_WINDOW_BIT is set only when there is a double-buffered dri_config.
1181 * This makes sure the back buffer will always be used.
1183 if (conf
->SurfaceType
& EGL_WINDOW_BIT
)
1184 dri2_ctx
->base
.WindowRenderBuffer
= EGL_BACK_BUFFER
;
1189 if (dri2_dpy
->image_driver
) {
1191 unsigned num_attribs
= 8;
1192 uint32_t ctx_attribs
[8];
1194 if (!dri2_fill_context_attribs(dri2_ctx
, dri2_dpy
, ctx_attribs
,
1198 dri2_ctx
->dri_context
=
1199 dri2_dpy
->image_driver
->createContextAttribs(dri2_dpy
->dri_screen
,
1207 dri2_create_context_attribs_error(error
);
1208 } else if (dri2_dpy
->dri2
) {
1209 if (dri2_dpy
->dri2
->base
.version
>= 3) {
1211 unsigned num_attribs
= 8;
1212 uint32_t ctx_attribs
[8];
1214 if (!dri2_fill_context_attribs(dri2_ctx
, dri2_dpy
, ctx_attribs
,
1218 dri2_ctx
->dri_context
=
1219 dri2_dpy
->dri2
->createContextAttribs(dri2_dpy
->dri_screen
,
1227 dri2_create_context_attribs_error(error
);
1229 dri2_ctx
->dri_context
=
1230 dri2_dpy
->dri2
->createNewContextForAPI(dri2_dpy
->dri_screen
,
1237 assert(dri2_dpy
->swrast
);
1238 if (dri2_dpy
->swrast
->base
.version
>= 3) {
1240 unsigned num_attribs
= 8;
1241 uint32_t ctx_attribs
[8];
1243 if (!dri2_fill_context_attribs(dri2_ctx
, dri2_dpy
, ctx_attribs
,
1247 dri2_ctx
->dri_context
=
1248 dri2_dpy
->swrast
->createContextAttribs(dri2_dpy
->dri_screen
,
1256 dri2_create_context_attribs_error(error
);
1258 dri2_ctx
->dri_context
=
1259 dri2_dpy
->swrast
->createNewContextForAPI(dri2_dpy
->dri_screen
,
1267 if (!dri2_ctx
->dri_context
)
1270 return &dri2_ctx
->base
;
1278 * Called via eglDestroyContext(), drv->API.DestroyContext().
1281 dri2_destroy_context(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLContext
*ctx
)
1283 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
1284 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1286 if (_eglPutContext(ctx
)) {
1287 dri2_dpy
->core
->destroyContext(dri2_ctx
->dri_context
);
1295 dri2_destroy_surface(_EGLDriver
*drv
, _EGLDisplay
*dpy
, _EGLSurface
*surf
)
1297 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
1299 if (!_eglPutSurface(surf
))
1302 return dri2_dpy
->vtbl
->destroy_surface(drv
, dpy
, surf
);
1306 * Called via eglMakeCurrent(), drv->API.MakeCurrent().
1309 dri2_make_current(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*dsurf
,
1310 _EGLSurface
*rsurf
, _EGLContext
*ctx
)
1312 struct dri2_egl_driver
*dri2_drv
= dri2_egl_driver(drv
);
1313 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1314 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
1315 _EGLContext
*old_ctx
;
1316 _EGLSurface
*old_dsurf
, *old_rsurf
;
1317 _EGLSurface
*tmp_dsurf
, *tmp_rsurf
;
1318 __DRIdrawable
*ddraw
, *rdraw
;
1323 return _eglError(EGL_NOT_INITIALIZED
, "eglMakeCurrent");
1325 /* make new bindings */
1326 if (!_eglBindContext(ctx
, dsurf
, rsurf
, &old_ctx
, &old_dsurf
, &old_rsurf
)) {
1327 /* _eglBindContext already sets the EGL error (in _eglCheckMakeCurrent) */
1331 /* flush before context switch */
1333 dri2_drv
->glFlush();
1335 ddraw
= (dsurf
) ? dri2_dpy
->vtbl
->get_dri_drawable(dsurf
) : NULL
;
1336 rdraw
= (rsurf
) ? dri2_dpy
->vtbl
->get_dri_drawable(rsurf
) : NULL
;
1337 cctx
= (dri2_ctx
) ? dri2_ctx
->dri_context
: NULL
;
1340 __DRIcontext
*old_cctx
= dri2_egl_context(old_ctx
)->dri_context
;
1341 dri2_dpy
->core
->unbindContext(old_cctx
);
1344 unbind
= (cctx
== NULL
&& ddraw
== NULL
&& rdraw
== NULL
);
1346 if (unbind
|| dri2_dpy
->core
->bindContext(cctx
, ddraw
, rdraw
)) {
1347 dri2_destroy_surface(drv
, disp
, old_dsurf
);
1348 dri2_destroy_surface(drv
, disp
, old_rsurf
);
1351 dri2_dpy
->ref_count
++;
1353 EGLDisplay old_disp
= _eglGetDisplayHandle(old_ctx
->Resource
.Display
);
1354 dri2_destroy_context(drv
, disp
, old_ctx
);
1355 dri2_display_release(old_disp
);
1360 /* undo the previous _eglBindContext */
1361 _eglBindContext(old_ctx
, old_dsurf
, old_rsurf
, &ctx
, &tmp_dsurf
, &tmp_rsurf
);
1362 assert(&dri2_ctx
->base
== ctx
&&
1363 tmp_dsurf
== dsurf
&&
1364 tmp_rsurf
== rsurf
);
1366 _eglPutSurface(dsurf
);
1367 _eglPutSurface(rsurf
);
1368 _eglPutContext(ctx
);
1370 _eglPutSurface(old_dsurf
);
1371 _eglPutSurface(old_rsurf
);
1372 _eglPutContext(old_ctx
);
1374 /* dri2_dpy->core->bindContext failed. We cannot tell for sure why, but
1375 * setting the error to EGL_BAD_MATCH is surely better than leaving it
1378 return _eglError(EGL_BAD_MATCH
, "eglMakeCurrent");
1383 dri2_surface_get_dri_drawable(_EGLSurface
*surf
)
1385 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
1387 return dri2_surf
->dri_drawable
;
1391 * Called from eglGetProcAddress() via drv->API.GetProcAddress().
1394 dri2_get_proc_address(_EGLDriver
*drv
, const char *procname
)
1396 struct dri2_egl_driver
*dri2_drv
= dri2_egl_driver(drv
);
1398 return dri2_drv
->get_proc_address(procname
);
1402 dri2_create_window_surface(_EGLDriver
*drv
, _EGLDisplay
*dpy
,
1403 _EGLConfig
*conf
, void *native_window
,
1404 const EGLint
*attrib_list
)
1406 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
1407 return dri2_dpy
->vtbl
->create_window_surface(drv
, dpy
, conf
, native_window
,
1412 dri2_create_pixmap_surface(_EGLDriver
*drv
, _EGLDisplay
*dpy
,
1413 _EGLConfig
*conf
, void *native_pixmap
,
1414 const EGLint
*attrib_list
)
1416 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
1417 return dri2_dpy
->vtbl
->create_pixmap_surface(drv
, dpy
, conf
, native_pixmap
,
1422 dri2_create_pbuffer_surface(_EGLDriver
*drv
, _EGLDisplay
*dpy
,
1423 _EGLConfig
*conf
, const EGLint
*attrib_list
)
1425 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
1426 return dri2_dpy
->vtbl
->create_pbuffer_surface(drv
, dpy
, conf
, attrib_list
);
1430 dri2_swap_interval(_EGLDriver
*drv
, _EGLDisplay
*dpy
, _EGLSurface
*surf
,
1433 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
1434 return dri2_dpy
->vtbl
->swap_interval(drv
, dpy
, surf
, interval
);
1438 * Asks the client API to flush any rendering to the drawable so that we can
1439 * do our swapbuffers.
1442 dri2_flush_drawable_for_swapbuffers(_EGLDisplay
*disp
, _EGLSurface
*draw
)
1444 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1445 __DRIdrawable
*dri_drawable
= dri2_dpy
->vtbl
->get_dri_drawable(draw
);
1447 if (dri2_dpy
->flush
) {
1448 if (dri2_dpy
->flush
->base
.version
>= 4) {
1449 /* We know there's a current context because:
1451 * "If surface is not bound to the calling thread’s current
1452 * context, an EGL_BAD_SURFACE error is generated."
1454 _EGLContext
*ctx
= _eglGetCurrentContext();
1455 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
1457 /* From the EGL 1.4 spec (page 52):
1459 * "The contents of ancillary buffers are always undefined
1460 * after calling eglSwapBuffers."
1462 dri2_dpy
->flush
->flush_with_flags(dri2_ctx
->dri_context
,
1464 __DRI2_FLUSH_DRAWABLE
|
1465 __DRI2_FLUSH_INVALIDATE_ANCILLARY
,
1466 __DRI2_THROTTLE_SWAPBUFFER
);
1468 dri2_dpy
->flush
->flush(dri_drawable
);
1474 dri2_swap_buffers(_EGLDriver
*drv
, _EGLDisplay
*dpy
, _EGLSurface
*surf
)
1476 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
1477 return dri2_dpy
->vtbl
->swap_buffers(drv
, dpy
, surf
);
1481 dri2_swap_buffers_with_damage(_EGLDriver
*drv
, _EGLDisplay
*dpy
,
1483 const EGLint
*rects
, EGLint n_rects
)
1485 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
1486 return dri2_dpy
->vtbl
->swap_buffers_with_damage(drv
, dpy
, surf
,
1491 dri2_swap_buffers_region(_EGLDriver
*drv
, _EGLDisplay
*dpy
, _EGLSurface
*surf
,
1492 EGLint numRects
, const EGLint
*rects
)
1494 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
1495 return dri2_dpy
->vtbl
->swap_buffers_region(drv
, dpy
, surf
, numRects
, rects
);
1499 dri2_set_damage_region(_EGLDriver
*drv
, _EGLDisplay
*dpy
, _EGLSurface
*surf
,
1500 EGLint
*rects
, EGLint n_rects
)
1502 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
1503 return dri2_dpy
->vtbl
->set_damage_region(drv
, dpy
, surf
, rects
, n_rects
);
1507 dri2_post_sub_buffer(_EGLDriver
*drv
, _EGLDisplay
*dpy
, _EGLSurface
*surf
,
1508 EGLint x
, EGLint y
, EGLint width
, EGLint height
)
1510 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
1511 return dri2_dpy
->vtbl
->post_sub_buffer(drv
, dpy
, surf
, x
, y
, width
, height
);
1515 dri2_copy_buffers(_EGLDriver
*drv
, _EGLDisplay
*dpy
, _EGLSurface
*surf
,
1516 void *native_pixmap_target
)
1518 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
1519 return dri2_dpy
->vtbl
->copy_buffers(drv
, dpy
, surf
, native_pixmap_target
);
1523 dri2_query_buffer_age(_EGLDriver
*drv
, _EGLDisplay
*dpy
, _EGLSurface
*surf
)
1525 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
1526 return dri2_dpy
->vtbl
->query_buffer_age(drv
, dpy
, surf
);
1530 dri2_wait_client(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLContext
*ctx
)
1532 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1533 _EGLSurface
*surf
= ctx
->DrawSurface
;
1534 __DRIdrawable
*dri_drawable
= dri2_dpy
->vtbl
->get_dri_drawable(surf
);
1538 /* FIXME: If EGL allows frontbuffer rendering for window surfaces,
1539 * we need to copy fake to real here.*/
1541 if (dri2_dpy
->flush
!= NULL
)
1542 dri2_dpy
->flush
->flush(dri_drawable
);
1548 dri2_wait_native(_EGLDriver
*drv
, _EGLDisplay
*disp
, EGLint engine
)
1553 if (engine
!= EGL_CORE_NATIVE_ENGINE
)
1554 return _eglError(EGL_BAD_PARAMETER
, "eglWaitNative");
1561 dri2_bind_tex_image(_EGLDriver
*drv
,
1562 _EGLDisplay
*disp
, _EGLSurface
*surf
, EGLint buffer
)
1564 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1565 struct dri2_egl_context
*dri2_ctx
;
1567 GLint format
, target
;
1568 __DRIdrawable
*dri_drawable
= dri2_dpy
->vtbl
->get_dri_drawable(surf
);
1570 ctx
= _eglGetCurrentContext();
1571 dri2_ctx
= dri2_egl_context(ctx
);
1573 if (!_eglBindTexImage(drv
, disp
, surf
, buffer
))
1576 switch (surf
->TextureFormat
) {
1577 case EGL_TEXTURE_RGB
:
1578 format
= __DRI_TEXTURE_FORMAT_RGB
;
1580 case EGL_TEXTURE_RGBA
:
1581 format
= __DRI_TEXTURE_FORMAT_RGBA
;
1584 assert(!"Unexpected texture format in dri2_bind_tex_image()");
1585 format
= __DRI_TEXTURE_FORMAT_RGBA
;
1588 switch (surf
->TextureTarget
) {
1589 case EGL_TEXTURE_2D
:
1590 target
= GL_TEXTURE_2D
;
1593 target
= GL_TEXTURE_2D
;
1594 assert(!"Unexpected texture target in dri2_bind_tex_image()");
1597 dri2_dpy
->tex_buffer
->setTexBuffer2(dri2_ctx
->dri_context
,
1605 dri2_release_tex_image(_EGLDriver
*drv
,
1606 _EGLDisplay
*disp
, _EGLSurface
*surf
, EGLint buffer
)
1608 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1609 struct dri2_egl_context
*dri2_ctx
;
1612 __DRIdrawable
*dri_drawable
= dri2_dpy
->vtbl
->get_dri_drawable(surf
);
1614 ctx
= _eglGetCurrentContext();
1615 dri2_ctx
= dri2_egl_context(ctx
);
1617 if (!_eglReleaseTexImage(drv
, disp
, surf
, buffer
))
1620 switch (surf
->TextureTarget
) {
1621 case EGL_TEXTURE_2D
:
1622 target
= GL_TEXTURE_2D
;
1628 if (dri2_dpy
->tex_buffer
->base
.version
>= 3 &&
1629 dri2_dpy
->tex_buffer
->releaseTexBuffer
!= NULL
) {
1630 dri2_dpy
->tex_buffer
->releaseTexBuffer(dri2_ctx
->dri_context
,
1631 target
, dri_drawable
);
1638 dri2_create_image(_EGLDriver
*drv
, _EGLDisplay
*dpy
, _EGLContext
*ctx
,
1639 EGLenum target
, EGLClientBuffer buffer
,
1640 const EGLint
*attr_list
)
1642 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
1643 return dri2_dpy
->vtbl
->create_image(drv
, dpy
, ctx
, target
, buffer
,
1648 dri2_create_image_from_dri(_EGLDisplay
*disp
, __DRIimage
*dri_image
)
1650 struct dri2_egl_image
*dri2_img
;
1652 if (dri_image
== NULL
) {
1653 _eglError(EGL_BAD_ALLOC
, "dri2_create_image");
1657 dri2_img
= malloc(sizeof *dri2_img
);
1659 _eglError(EGL_BAD_ALLOC
, "dri2_create_image");
1663 _eglInitImage(&dri2_img
->base
, disp
);
1665 dri2_img
->dri_image
= dri_image
;
1667 return &dri2_img
->base
;
1671 dri2_create_image_khr_renderbuffer(_EGLDisplay
*disp
, _EGLContext
*ctx
,
1672 EGLClientBuffer buffer
,
1673 const EGLint
*attr_list
)
1675 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1676 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
1677 GLuint renderbuffer
= (GLuint
) (uintptr_t) buffer
;
1678 __DRIimage
*dri_image
;
1680 if (renderbuffer
== 0) {
1681 _eglError(EGL_BAD_PARAMETER
, "dri2_create_image_khr");
1682 return EGL_NO_IMAGE_KHR
;
1686 dri2_dpy
->image
->createImageFromRenderbuffer(dri2_ctx
->dri_context
,
1687 renderbuffer
, NULL
);
1689 return dri2_create_image_from_dri(disp
, dri_image
);
1692 #ifdef HAVE_WAYLAND_PLATFORM
1694 /* This structure describes how a wl_buffer maps to one or more
1695 * __DRIimages. A wl_drm_buffer stores the wl_drm format code and the
1696 * offsets and strides of the planes in the buffer. This table maps a
1697 * wl_drm format code to a description of the planes in the buffer
1698 * that lets us create a __DRIimage for each of the planes. */
1700 static const struct wl_drm_components_descriptor
{
1701 uint32_t dri_components
;
1704 } wl_drm_components
[] = {
1705 { __DRI_IMAGE_COMPONENTS_RGB
, EGL_TEXTURE_RGB
, 1 },
1706 { __DRI_IMAGE_COMPONENTS_RGBA
, EGL_TEXTURE_RGBA
, 1 },
1707 { __DRI_IMAGE_COMPONENTS_Y_U_V
, EGL_TEXTURE_Y_U_V_WL
, 3 },
1708 { __DRI_IMAGE_COMPONENTS_Y_UV
, EGL_TEXTURE_Y_UV_WL
, 2 },
1709 { __DRI_IMAGE_COMPONENTS_Y_XUXV
, EGL_TEXTURE_Y_XUXV_WL
, 2 },
1713 dri2_create_image_wayland_wl_buffer(_EGLDisplay
*disp
, _EGLContext
*ctx
,
1714 EGLClientBuffer _buffer
,
1715 const EGLint
*attr_list
)
1717 struct wl_drm_buffer
*buffer
;
1718 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1719 const struct wl_drm_components_descriptor
*f
;
1720 __DRIimage
*dri_image
;
1721 _EGLImageAttribs attrs
;
1725 buffer
= wayland_drm_buffer_get(dri2_dpy
->wl_server_drm
,
1726 (struct wl_resource
*) _buffer
);
1730 err
= _eglParseImageAttribList(&attrs
, disp
, attr_list
);
1731 plane
= attrs
.PlaneWL
;
1732 if (err
!= EGL_SUCCESS
) {
1733 _eglError(EGL_BAD_PARAMETER
, "dri2_create_image_wayland_wl_buffer");
1737 f
= buffer
->driver_format
;
1738 if (plane
< 0 || plane
>= f
->nplanes
) {
1739 _eglError(EGL_BAD_PARAMETER
,
1740 "dri2_create_image_wayland_wl_buffer (plane out of bounds)");
1744 dri_image
= dri2_dpy
->image
->fromPlanar(buffer
->driver_buffer
, plane
, NULL
);
1746 if (dri_image
== NULL
) {
1747 _eglError(EGL_BAD_PARAMETER
, "dri2_create_image_wayland_wl_buffer");
1751 return dri2_create_image_from_dri(disp
, dri_image
);
1756 dri2_get_sync_values_chromium(_EGLDisplay
*dpy
, _EGLSurface
*surf
,
1757 EGLuint64KHR
*ust
, EGLuint64KHR
*msc
,
1760 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
1761 return dri2_dpy
->vtbl
->get_sync_values(dpy
, surf
, ust
, msc
, sbc
);
1765 * Set the error code after a call to
1766 * dri2_egl_image::dri_image::createImageFromTexture.
1769 dri2_create_image_khr_texture_error(int dri_error
)
1773 switch (dri_error
) {
1774 case __DRI_IMAGE_ERROR_SUCCESS
:
1777 case __DRI_IMAGE_ERROR_BAD_ALLOC
:
1778 egl_error
= EGL_BAD_ALLOC
;
1781 case __DRI_IMAGE_ERROR_BAD_MATCH
:
1782 egl_error
= EGL_BAD_MATCH
;
1785 case __DRI_IMAGE_ERROR_BAD_PARAMETER
:
1786 egl_error
= EGL_BAD_PARAMETER
;
1789 case __DRI_IMAGE_ERROR_BAD_ACCESS
:
1790 egl_error
= EGL_BAD_ACCESS
;
1795 egl_error
= EGL_BAD_MATCH
;
1799 _eglError(egl_error
, "dri2_create_image_khr_texture");
1803 dri2_create_image_khr_texture(_EGLDisplay
*disp
, _EGLContext
*ctx
,
1805 EGLClientBuffer buffer
,
1806 const EGLint
*attr_list
)
1808 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1809 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
1810 struct dri2_egl_image
*dri2_img
;
1811 GLuint texture
= (GLuint
) (uintptr_t) buffer
;
1812 _EGLImageAttribs attrs
;
1818 _eglError(EGL_BAD_PARAMETER
, "dri2_create_image_khr");
1819 return EGL_NO_IMAGE_KHR
;
1822 if (_eglParseImageAttribList(&attrs
, disp
, attr_list
) != EGL_SUCCESS
)
1823 return EGL_NO_IMAGE_KHR
;
1826 case EGL_GL_TEXTURE_2D_KHR
:
1828 gl_target
= GL_TEXTURE_2D
;
1830 case EGL_GL_TEXTURE_3D_KHR
:
1831 if (disp
->Extensions
.KHR_gl_texture_3D_image
) {
1832 depth
= attrs
.GLTextureZOffset
;
1833 gl_target
= GL_TEXTURE_3D
;
1837 _eglError(EGL_BAD_PARAMETER
, "dri2_create_image_khr");
1838 return EGL_NO_IMAGE_KHR
;
1840 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR
:
1841 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR
:
1842 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR
:
1843 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR
:
1844 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR
:
1845 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR
:
1846 depth
= target
- EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR
;
1847 gl_target
= GL_TEXTURE_CUBE_MAP
;
1850 _eglError(EGL_BAD_PARAMETER
, "dri2_create_image_khr");
1851 return EGL_NO_IMAGE_KHR
;
1854 dri2_img
= malloc(sizeof *dri2_img
);
1856 _eglError(EGL_BAD_ALLOC
, "dri2_create_image_khr");
1857 return EGL_NO_IMAGE_KHR
;
1860 _eglInitImage(&dri2_img
->base
, disp
);
1862 dri2_img
->dri_image
=
1863 dri2_dpy
->image
->createImageFromTexture(dri2_ctx
->dri_context
,
1867 attrs
.GLTextureLevel
,
1870 dri2_create_image_khr_texture_error(error
);
1872 if (!dri2_img
->dri_image
) {
1874 return EGL_NO_IMAGE_KHR
;
1876 return &dri2_img
->base
;
1880 dri2_query_surface(_EGLDriver
*drv
, _EGLDisplay
*dpy
, _EGLSurface
*surf
,
1881 EGLint attribute
, EGLint
*value
)
1883 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
1884 if (!dri2_dpy
->vtbl
->query_surface
)
1885 return _eglQuerySurface(drv
, dpy
, surf
, attribute
, value
);
1886 return dri2_dpy
->vtbl
->query_surface(drv
, dpy
, surf
, attribute
, value
);
1889 static struct wl_buffer
*
1890 dri2_create_wayland_buffer_from_image(_EGLDriver
*drv
, _EGLDisplay
*dpy
,
1893 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
1894 return dri2_dpy
->vtbl
->create_wayland_buffer_from_image(drv
, dpy
, img
);
1899 dri2_create_image_mesa_drm_buffer(_EGLDisplay
*disp
, _EGLContext
*ctx
,
1900 EGLClientBuffer buffer
, const EGLint
*attr_list
)
1902 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1903 EGLint format
, name
, pitch
, err
;
1904 _EGLImageAttribs attrs
;
1905 __DRIimage
*dri_image
;
1907 name
= (EGLint
) (uintptr_t) buffer
;
1909 err
= _eglParseImageAttribList(&attrs
, disp
, attr_list
);
1910 if (err
!= EGL_SUCCESS
)
1913 if (attrs
.Width
<= 0 || attrs
.Height
<= 0 ||
1914 attrs
.DRMBufferStrideMESA
<= 0) {
1915 _eglError(EGL_BAD_PARAMETER
,
1916 "bad width, height or stride");
1920 switch (attrs
.DRMBufferFormatMESA
) {
1921 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA
:
1922 format
= __DRI_IMAGE_FORMAT_ARGB8888
;
1923 pitch
= attrs
.DRMBufferStrideMESA
;
1926 _eglError(EGL_BAD_PARAMETER
,
1927 "dri2_create_image_khr: unsupported pixmap depth");
1932 dri2_dpy
->image
->createImageFromName(dri2_dpy
->dri_screen
,
1940 return dri2_create_image_from_dri(disp
, dri_image
);
1944 dri2_check_dma_buf_attribs(const _EGLImageAttribs
*attrs
)
1949 * "Required attributes and their values are as follows:
1951 * * EGL_WIDTH & EGL_HEIGHT: The logical dimensions of the buffer in pixels
1953 * * EGL_LINUX_DRM_FOURCC_EXT: The pixel format of the buffer, as specified
1954 * by drm_fourcc.h and used as the pixel_format parameter of the
1955 * drm_mode_fb_cmd2 ioctl."
1959 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
1960 * incomplete, EGL_BAD_PARAMETER is generated."
1962 if (attrs
->Width
<= 0 || attrs
->Height
<= 0 ||
1963 !attrs
->DMABufFourCC
.IsPresent
)
1964 return _eglError(EGL_BAD_PARAMETER
, "attribute(s) missing");
1969 * "If <target> is EGL_LINUX_DMA_BUF_EXT and one or more of the values
1970 * specified for a plane's pitch or offset isn't supported by EGL,
1971 * EGL_BAD_ACCESS is generated."
1973 for (unsigned i
= 0; i
< ARRAY_SIZE(attrs
->DMABufPlanePitches
); ++i
) {
1974 if (attrs
->DMABufPlanePitches
[i
].IsPresent
&&
1975 attrs
->DMABufPlanePitches
[i
].Value
<= 0)
1976 return _eglError(EGL_BAD_ACCESS
, "invalid pitch");
1980 * If <target> is EGL_LINUX_DMA_BUF_EXT, both or neither of the following
1981 * attribute values may be given.
1983 * This is referring to EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT and
1984 * EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT, and the same for other planes.
1986 for (unsigned i
= 0; i
< DMA_BUF_MAX_PLANES
; ++i
) {
1987 if (attrs
->DMABufPlaneModifiersLo
[i
].IsPresent
!=
1988 attrs
->DMABufPlaneModifiersHi
[i
].IsPresent
)
1989 return _eglError(EGL_BAD_PARAMETER
, "modifier attribute lo or hi missing");
1992 /* Although the EGL_EXT_image_dma_buf_import_modifiers spec doesn't
1993 * mandate it, we only accept the same modifier across all planes. */
1994 for (unsigned i
= 1; i
< DMA_BUF_MAX_PLANES
; ++i
) {
1995 if (attrs
->DMABufPlaneFds
[i
].IsPresent
) {
1996 if ((attrs
->DMABufPlaneModifiersLo
[0].IsPresent
!=
1997 attrs
->DMABufPlaneModifiersLo
[i
].IsPresent
) ||
1998 (attrs
->DMABufPlaneModifiersLo
[0].Value
!=
1999 attrs
->DMABufPlaneModifiersLo
[i
].Value
) ||
2000 (attrs
->DMABufPlaneModifiersHi
[0].Value
!=
2001 attrs
->DMABufPlaneModifiersHi
[i
].Value
))
2002 return _eglError(EGL_BAD_PARAMETER
, "modifier attributes not equal");
2009 /* Returns the total number of file descriptors. Zero indicates an error. */
2011 dri2_check_dma_buf_format(const _EGLImageAttribs
*attrs
)
2015 switch (attrs
->DMABufFourCC
.Value
) {
2017 case DRM_FORMAT_RG88
:
2018 case DRM_FORMAT_GR88
:
2019 case DRM_FORMAT_R16
:
2020 case DRM_FORMAT_GR1616
:
2021 case DRM_FORMAT_RGB332
:
2022 case DRM_FORMAT_BGR233
:
2023 case DRM_FORMAT_XRGB4444
:
2024 case DRM_FORMAT_XBGR4444
:
2025 case DRM_FORMAT_RGBX4444
:
2026 case DRM_FORMAT_BGRX4444
:
2027 case DRM_FORMAT_ARGB4444
:
2028 case DRM_FORMAT_ABGR4444
:
2029 case DRM_FORMAT_RGBA4444
:
2030 case DRM_FORMAT_BGRA4444
:
2031 case DRM_FORMAT_XRGB1555
:
2032 case DRM_FORMAT_XBGR1555
:
2033 case DRM_FORMAT_RGBX5551
:
2034 case DRM_FORMAT_BGRX5551
:
2035 case DRM_FORMAT_ARGB1555
:
2036 case DRM_FORMAT_ABGR1555
:
2037 case DRM_FORMAT_RGBA5551
:
2038 case DRM_FORMAT_BGRA5551
:
2039 case DRM_FORMAT_RGB565
:
2040 case DRM_FORMAT_BGR565
:
2041 case DRM_FORMAT_RGB888
:
2042 case DRM_FORMAT_BGR888
:
2043 case DRM_FORMAT_XRGB8888
:
2044 case DRM_FORMAT_XBGR8888
:
2045 case DRM_FORMAT_RGBX8888
:
2046 case DRM_FORMAT_BGRX8888
:
2047 case DRM_FORMAT_ARGB8888
:
2048 case DRM_FORMAT_ABGR8888
:
2049 case DRM_FORMAT_RGBA8888
:
2050 case DRM_FORMAT_BGRA8888
:
2051 case DRM_FORMAT_XRGB2101010
:
2052 case DRM_FORMAT_XBGR2101010
:
2053 case DRM_FORMAT_RGBX1010102
:
2054 case DRM_FORMAT_BGRX1010102
:
2055 case DRM_FORMAT_ARGB2101010
:
2056 case DRM_FORMAT_ABGR2101010
:
2057 case DRM_FORMAT_RGBA1010102
:
2058 case DRM_FORMAT_BGRA1010102
:
2059 case DRM_FORMAT_YUYV
:
2060 case DRM_FORMAT_YVYU
:
2061 case DRM_FORMAT_UYVY
:
2062 case DRM_FORMAT_VYUY
:
2065 case DRM_FORMAT_NV12
:
2066 case DRM_FORMAT_NV21
:
2067 case DRM_FORMAT_NV16
:
2068 case DRM_FORMAT_NV61
:
2071 case DRM_FORMAT_YUV410
:
2072 case DRM_FORMAT_YVU410
:
2073 case DRM_FORMAT_YUV411
:
2074 case DRM_FORMAT_YVU411
:
2075 case DRM_FORMAT_YUV420
:
2076 case DRM_FORMAT_YVU420
:
2077 case DRM_FORMAT_YUV422
:
2078 case DRM_FORMAT_YVU422
:
2079 case DRM_FORMAT_YUV444
:
2080 case DRM_FORMAT_YVU444
:
2084 _eglError(EGL_BAD_ATTRIBUTE
, "invalid format");
2091 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
2092 * incomplete, EGL_BAD_PARAMETER is generated."
2094 for (unsigned i
= 0; i
< plane_n
; ++i
) {
2095 if (!attrs
->DMABufPlaneFds
[i
].IsPresent
||
2096 !attrs
->DMABufPlaneOffsets
[i
].IsPresent
||
2097 !attrs
->DMABufPlanePitches
[i
].IsPresent
) {
2098 _eglError(EGL_BAD_PARAMETER
, "plane attribute(s) missing");
2104 * The spec also says:
2106 * "If <target> is EGL_LINUX_DMA_BUF_EXT, and the EGL_LINUX_DRM_FOURCC_EXT
2107 * attribute indicates a single-plane format, EGL_BAD_ATTRIBUTE is
2108 * generated if any of the EGL_DMA_BUF_PLANE1_* or EGL_DMA_BUF_PLANE2_*
2109 * or EGL_DMA_BUF_PLANE3_* attributes are specified."
2111 for (unsigned i
= plane_n
; i
< DMA_BUF_MAX_PLANES
; ++i
) {
2112 if (attrs
->DMABufPlaneFds
[i
].IsPresent
||
2113 attrs
->DMABufPlaneOffsets
[i
].IsPresent
||
2114 attrs
->DMABufPlanePitches
[i
].IsPresent
||
2115 attrs
->DMABufPlaneModifiersLo
[i
].IsPresent
||
2116 attrs
->DMABufPlaneModifiersHi
[i
].IsPresent
) {
2119 * The modifiers extension spec says:
2121 * "Modifiers may modify any attribute of a buffer import, including
2122 * but not limited to adding extra planes to a format which
2123 * otherwise does not have those planes. As an example, a modifier
2124 * may add a plane for an external compression buffer to a
2125 * single-plane format. The exact meaning and effect of any
2126 * modifier is canonically defined by drm_fourcc.h, not as part of
2129 if (attrs
->DMABufPlaneModifiersLo
[i
].IsPresent
&&
2130 attrs
->DMABufPlaneModifiersHi
[i
].IsPresent
)
2133 _eglError(EGL_BAD_ATTRIBUTE
, "too many plane attributes");
2142 dri2_query_dma_buf_formats(_EGLDriver
*drv
, _EGLDisplay
*disp
,
2143 EGLint max
, EGLint
*formats
, EGLint
*count
)
2145 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
2146 if (max
< 0 || (max
> 0 && formats
== NULL
))
2147 return _eglError(EGL_BAD_PARAMETER
, "invalid value for max count of formats");
2149 if (dri2_dpy
->image
->base
.version
< 15 ||
2150 dri2_dpy
->image
->queryDmaBufFormats
== NULL
)
2153 if (!dri2_dpy
->image
->queryDmaBufFormats(dri2_dpy
->dri_screen
, max
,
2161 dri2_query_dma_buf_modifiers(_EGLDriver
*drv
, _EGLDisplay
*disp
, EGLint format
,
2162 EGLint max
, EGLuint64KHR
*modifiers
,
2163 EGLBoolean
*external_only
, EGLint
*count
)
2165 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
2168 return _eglError(EGL_BAD_PARAMETER
, "invalid value for max count of formats");
2170 if (max
> 0 && modifiers
== NULL
)
2171 return _eglError(EGL_BAD_PARAMETER
, "invalid modifiers array");
2173 if (dri2_dpy
->image
->base
.version
< 15 ||
2174 dri2_dpy
->image
->queryDmaBufModifiers
== NULL
)
2177 if (dri2_dpy
->image
->queryDmaBufModifiers(dri2_dpy
->dri_screen
, format
,
2179 (unsigned int *) external_only
,
2181 return _eglError(EGL_BAD_PARAMETER
, "invalid format");
2189 * "If eglCreateImageKHR is successful for a EGL_LINUX_DMA_BUF_EXT target, the
2190 * EGL will take a reference to the dma_buf(s) which it will release at any
2191 * time while the EGLDisplay is initialized. It is the responsibility of the
2192 * application to close the dma_buf file descriptors."
2194 * Therefore we must never close or otherwise modify the file descriptors.
2197 dri2_create_image_dma_buf(_EGLDisplay
*disp
, _EGLContext
*ctx
,
2198 EGLClientBuffer buffer
, const EGLint
*attr_list
)
2200 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
2203 _EGLImageAttribs attrs
;
2204 __DRIimage
*dri_image
;
2206 int fds
[DMA_BUF_MAX_PLANES
];
2207 int pitches
[DMA_BUF_MAX_PLANES
];
2208 int offsets
[DMA_BUF_MAX_PLANES
];
2210 bool has_modifier
= false;
2216 * ""* If <target> is EGL_LINUX_DMA_BUF_EXT and <buffer> is not NULL, the
2217 * error EGL_BAD_PARAMETER is generated."
2219 if (buffer
!= NULL
) {
2220 _eglError(EGL_BAD_PARAMETER
, "buffer not NULL");
2224 err
= _eglParseImageAttribList(&attrs
, disp
, attr_list
);
2225 if (err
!= EGL_SUCCESS
) {
2226 _eglError(err
, "bad attribute");
2230 if (!dri2_check_dma_buf_attribs(&attrs
))
2233 num_fds
= dri2_check_dma_buf_format(&attrs
);
2237 for (unsigned i
= 0; i
< num_fds
; ++i
) {
2238 fds
[i
] = attrs
.DMABufPlaneFds
[i
].Value
;
2239 pitches
[i
] = attrs
.DMABufPlanePitches
[i
].Value
;
2240 offsets
[i
] = attrs
.DMABufPlaneOffsets
[i
].Value
;
2243 /* dri2_check_dma_buf_attribs ensures that the modifier, if available,
2244 * will be present in attrs.DMABufPlaneModifiersLo[0] and
2245 * attrs.DMABufPlaneModifiersHi[0] */
2246 if (attrs
.DMABufPlaneModifiersLo
[0].IsPresent
) {
2247 modifier
= (uint64_t) attrs
.DMABufPlaneModifiersHi
[0].Value
<< 32;
2248 modifier
|= (uint64_t) (attrs
.DMABufPlaneModifiersLo
[0].Value
& 0xffffffff);
2249 has_modifier
= true;
2251 modifier
= DRM_FORMAT_MOD_INVALID
;
2255 if (dri2_dpy
->image
->base
.version
< 15 ||
2256 dri2_dpy
->image
->createImageFromDmaBufs2
== NULL
) {
2257 _eglError(EGL_BAD_MATCH
, "unsupported dma_buf format modifier");
2258 return EGL_NO_IMAGE_KHR
;
2261 dri2_dpy
->image
->createImageFromDmaBufs2(dri2_dpy
->dri_screen
,
2262 attrs
.Width
, attrs
.Height
, attrs
.DMABufFourCC
.Value
,
2263 modifier
, fds
, num_fds
, pitches
, offsets
,
2264 attrs
.DMABufYuvColorSpaceHint
.Value
,
2265 attrs
.DMABufSampleRangeHint
.Value
,
2266 attrs
.DMABufChromaHorizontalSiting
.Value
,
2267 attrs
.DMABufChromaVerticalSiting
.Value
,
2273 dri2_dpy
->image
->createImageFromDmaBufs(dri2_dpy
->dri_screen
,
2274 attrs
.Width
, attrs
.Height
, attrs
.DMABufFourCC
.Value
,
2275 fds
, num_fds
, pitches
, offsets
,
2276 attrs
.DMABufYuvColorSpaceHint
.Value
,
2277 attrs
.DMABufSampleRangeHint
.Value
,
2278 attrs
.DMABufChromaHorizontalSiting
.Value
,
2279 attrs
.DMABufChromaVerticalSiting
.Value
,
2283 dri2_create_image_khr_texture_error(error
);
2286 return EGL_NO_IMAGE_KHR
;
2288 res
= dri2_create_image_from_dri(disp
, dri_image
);
2293 dri2_create_drm_image_mesa(_EGLDriver
*drv
, _EGLDisplay
*disp
,
2294 const EGLint
*attr_list
)
2296 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
2297 struct dri2_egl_image
*dri2_img
;
2298 _EGLImageAttribs attrs
;
2299 unsigned int dri_use
, valid_mask
;
2301 EGLint err
= EGL_SUCCESS
;
2306 _eglError(EGL_BAD_PARAMETER
, __func__
);
2307 return EGL_NO_IMAGE_KHR
;
2310 err
= _eglParseImageAttribList(&attrs
, disp
, attr_list
);
2311 if (err
!= EGL_SUCCESS
) {
2312 _eglError(EGL_BAD_PARAMETER
, __func__
);
2313 return EGL_NO_IMAGE_KHR
;
2316 if (attrs
.Width
<= 0 || attrs
.Height
<= 0) {
2317 _eglError(EGL_BAD_PARAMETER
, __func__
);
2318 return EGL_NO_IMAGE_KHR
;
2321 switch (attrs
.DRMBufferFormatMESA
) {
2322 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA
:
2323 format
= __DRI_IMAGE_FORMAT_ARGB8888
;
2326 _eglError(EGL_BAD_PARAMETER
, __func__
);
2327 return EGL_NO_IMAGE_KHR
;
2331 EGL_DRM_BUFFER_USE_SCANOUT_MESA
|
2332 EGL_DRM_BUFFER_USE_SHARE_MESA
|
2333 EGL_DRM_BUFFER_USE_CURSOR_MESA
;
2334 if (attrs
.DRMBufferUseMESA
& ~valid_mask
) {
2335 _eglError(EGL_BAD_PARAMETER
, __func__
);
2336 return EGL_NO_IMAGE_KHR
;
2340 if (attrs
.DRMBufferUseMESA
& EGL_DRM_BUFFER_USE_SHARE_MESA
)
2341 dri_use
|= __DRI_IMAGE_USE_SHARE
;
2342 if (attrs
.DRMBufferUseMESA
& EGL_DRM_BUFFER_USE_SCANOUT_MESA
)
2343 dri_use
|= __DRI_IMAGE_USE_SCANOUT
;
2344 if (attrs
.DRMBufferUseMESA
& EGL_DRM_BUFFER_USE_CURSOR_MESA
)
2345 dri_use
|= __DRI_IMAGE_USE_CURSOR
;
2347 dri2_img
= malloc(sizeof *dri2_img
);
2349 _eglError(EGL_BAD_ALLOC
, "dri2_create_image_khr");
2350 return EGL_NO_IMAGE_KHR
;
2353 _eglInitImage(&dri2_img
->base
, disp
);
2355 dri2_img
->dri_image
=
2356 dri2_dpy
->image
->createImage(dri2_dpy
->dri_screen
,
2357 attrs
.Width
, attrs
.Height
,
2358 format
, dri_use
, dri2_img
);
2359 if (dri2_img
->dri_image
== NULL
) {
2361 _eglError(EGL_BAD_ALLOC
, "dri2_create_drm_image_mesa");
2362 return EGL_NO_IMAGE_KHR
;
2365 return &dri2_img
->base
;
2369 dri2_export_drm_image_mesa(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLImage
*img
,
2370 EGLint
*name
, EGLint
*handle
, EGLint
*stride
)
2372 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
2373 struct dri2_egl_image
*dri2_img
= dri2_egl_image(img
);
2377 if (name
&& !dri2_dpy
->image
->queryImage(dri2_img
->dri_image
,
2378 __DRI_IMAGE_ATTRIB_NAME
, name
))
2379 return _eglError(EGL_BAD_ALLOC
, "dri2_export_drm_image_mesa");
2382 dri2_dpy
->image
->queryImage(dri2_img
->dri_image
,
2383 __DRI_IMAGE_ATTRIB_HANDLE
, handle
);
2386 dri2_dpy
->image
->queryImage(dri2_img
->dri_image
,
2387 __DRI_IMAGE_ATTRIB_STRIDE
, stride
);
2393 dri2_export_dma_buf_image_query_mesa(_EGLDriver
*drv
, _EGLDisplay
*disp
,
2395 EGLint
*fourcc
, EGLint
*nplanes
,
2396 EGLuint64KHR
*modifiers
)
2398 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
2399 struct dri2_egl_image
*dri2_img
= dri2_egl_image(img
);
2405 dri2_dpy
->image
->queryImage(dri2_img
->dri_image
,
2406 __DRI_IMAGE_ATTRIB_NUM_PLANES
, nplanes
);
2408 dri2_dpy
->image
->queryImage(dri2_img
->dri_image
,
2409 __DRI_IMAGE_ATTRIB_FOURCC
, fourcc
);
2418 dri2_export_dma_buf_image_mesa(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLImage
*img
,
2419 int *fds
, EGLint
*strides
, EGLint
*offsets
)
2421 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
2422 struct dri2_egl_image
*dri2_img
= dri2_egl_image(img
);
2426 /* rework later to provide multiple fds/strides/offsets */
2428 dri2_dpy
->image
->queryImage(dri2_img
->dri_image
,
2429 __DRI_IMAGE_ATTRIB_FD
, fds
);
2432 dri2_dpy
->image
->queryImage(dri2_img
->dri_image
,
2433 __DRI_IMAGE_ATTRIB_STRIDE
, strides
);
2437 bool ret
= dri2_dpy
->image
->queryImage(dri2_img
->dri_image
,
2438 __DRI_IMAGE_ATTRIB_OFFSET
, &img_offset
);
2440 offsets
[0] = img_offset
;
2451 dri2_create_image_khr(_EGLDriver
*drv
, _EGLDisplay
*disp
,
2452 _EGLContext
*ctx
, EGLenum target
,
2453 EGLClientBuffer buffer
, const EGLint
*attr_list
)
2458 case EGL_GL_TEXTURE_2D_KHR
:
2459 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR
:
2460 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR
:
2461 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR
:
2462 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR
:
2463 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR
:
2464 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR
:
2465 return dri2_create_image_khr_texture(disp
, ctx
, target
, buffer
, attr_list
);
2466 case EGL_GL_TEXTURE_3D_KHR
:
2467 if (disp
->Extensions
.KHR_gl_texture_3D_image
) {
2468 return dri2_create_image_khr_texture(disp
, ctx
, target
, buffer
, attr_list
);
2471 _eglError(EGL_BAD_PARAMETER
, "dri2_create_image_khr");
2472 return EGL_NO_IMAGE_KHR
;
2474 case EGL_GL_RENDERBUFFER_KHR
:
2475 return dri2_create_image_khr_renderbuffer(disp
, ctx
, buffer
, attr_list
);
2477 case EGL_DRM_BUFFER_MESA
:
2478 return dri2_create_image_mesa_drm_buffer(disp
, ctx
, buffer
, attr_list
);
2479 case EGL_LINUX_DMA_BUF_EXT
:
2480 return dri2_create_image_dma_buf(disp
, ctx
, buffer
, attr_list
);
2482 #ifdef HAVE_WAYLAND_PLATFORM
2483 case EGL_WAYLAND_BUFFER_WL
:
2484 return dri2_create_image_wayland_wl_buffer(disp
, ctx
, buffer
, attr_list
);
2487 _eglError(EGL_BAD_PARAMETER
, "dri2_create_image_khr");
2488 return EGL_NO_IMAGE_KHR
;
2493 dri2_destroy_image_khr(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLImage
*image
)
2495 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
2496 struct dri2_egl_image
*dri2_img
= dri2_egl_image(image
);
2500 dri2_dpy
->image
->destroyImage(dri2_img
->dri_image
);
2506 #ifdef HAVE_WAYLAND_PLATFORM
2509 dri2_wl_reference_buffer(void *user_data
, uint32_t name
, int fd
,
2510 struct wl_drm_buffer
*buffer
)
2512 _EGLDisplay
*disp
= user_data
;
2513 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
2515 int dri_components
= 0;
2518 img
= dri2_dpy
->image
->createImageFromNames(dri2_dpy
->dri_screen
,
2527 img
= dri2_dpy
->image
->createImageFromFds(dri2_dpy
->dri_screen
,
2539 dri2_dpy
->image
->queryImage(img
, __DRI_IMAGE_ATTRIB_COMPONENTS
, &dri_components
);
2541 buffer
->driver_format
= NULL
;
2542 for (int i
= 0; i
< ARRAY_SIZE(wl_drm_components
); i
++)
2543 if (wl_drm_components
[i
].dri_components
== dri_components
)
2544 buffer
->driver_format
= &wl_drm_components
[i
];
2546 if (buffer
->driver_format
== NULL
)
2547 dri2_dpy
->image
->destroyImage(img
);
2549 buffer
->driver_buffer
= img
;
2553 dri2_wl_release_buffer(void *user_data
, struct wl_drm_buffer
*buffer
)
2555 _EGLDisplay
*disp
= user_data
;
2556 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
2558 dri2_dpy
->image
->destroyImage(buffer
->driver_buffer
);
2561 static struct wayland_drm_callbacks wl_drm_callbacks
= {
2562 .authenticate
= NULL
,
2563 .reference_buffer
= dri2_wl_reference_buffer
,
2564 .release_buffer
= dri2_wl_release_buffer
2568 dri2_bind_wayland_display_wl(_EGLDriver
*drv
, _EGLDisplay
*disp
,
2569 struct wl_display
*wl_dpy
)
2571 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
2577 if (dri2_dpy
->wl_server_drm
)
2580 wl_drm_callbacks
.authenticate
=
2581 (int(*)(void *, uint32_t)) dri2_dpy
->vtbl
->authenticate
;
2583 if (drmGetCap(dri2_dpy
->fd
, DRM_CAP_PRIME
, &cap
) == 0 &&
2584 cap
== (DRM_PRIME_CAP_IMPORT
| DRM_PRIME_CAP_EXPORT
) &&
2585 dri2_dpy
->image
->base
.version
>= 7 &&
2586 dri2_dpy
->image
->createImageFromFds
!= NULL
)
2587 flags
|= WAYLAND_DRM_PRIME
;
2589 dri2_dpy
->wl_server_drm
=
2590 wayland_drm_init(wl_dpy
, dri2_dpy
->device_name
,
2591 &wl_drm_callbacks
, disp
, flags
);
2593 if (!dri2_dpy
->wl_server_drm
)
2596 #ifdef HAVE_DRM_PLATFORM
2597 /* We have to share the wl_drm instance with gbm, so gbm can convert
2598 * wl_buffers to gbm bos. */
2599 if (dri2_dpy
->gbm_dri
)
2600 dri2_dpy
->gbm_dri
->wl_drm
= dri2_dpy
->wl_server_drm
;
2607 dri2_unbind_wayland_display_wl(_EGLDriver
*drv
, _EGLDisplay
*disp
,
2608 struct wl_display
*wl_dpy
)
2610 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
2614 if (!dri2_dpy
->wl_server_drm
)
2617 wayland_drm_uninit(dri2_dpy
->wl_server_drm
);
2618 dri2_dpy
->wl_server_drm
= NULL
;
2624 dri2_query_wayland_buffer_wl(_EGLDriver
*drv
, _EGLDisplay
*disp
,
2625 struct wl_resource
*buffer_resource
,
2626 EGLint attribute
, EGLint
*value
)
2628 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
2629 struct wl_drm_buffer
*buffer
;
2630 const struct wl_drm_components_descriptor
*format
;
2632 buffer
= wayland_drm_buffer_get(dri2_dpy
->wl_server_drm
, buffer_resource
);
2636 format
= buffer
->driver_format
;
2637 switch (attribute
) {
2638 case EGL_TEXTURE_FORMAT
:
2639 *value
= format
->components
;
2642 *value
= buffer
->width
;
2645 *value
= buffer
->height
;
2654 dri2_egl_ref_sync(struct dri2_egl_sync
*sync
)
2656 p_atomic_inc(&sync
->refcount
);
2660 dri2_egl_unref_sync(struct dri2_egl_display
*dri2_dpy
,
2661 struct dri2_egl_sync
*dri2_sync
)
2663 if (p_atomic_dec_zero(&dri2_sync
->refcount
)) {
2664 switch (dri2_sync
->base
.Type
) {
2665 case EGL_SYNC_REUSABLE_KHR
:
2666 cnd_destroy(&dri2_sync
->cond
);
2668 case EGL_SYNC_NATIVE_FENCE_ANDROID
:
2669 if (dri2_sync
->base
.SyncFd
!= EGL_NO_NATIVE_FENCE_FD_ANDROID
)
2670 close(dri2_sync
->base
.SyncFd
);
2676 if (dri2_sync
->fence
)
2677 dri2_dpy
->fence
->destroy_fence(dri2_dpy
->dri_screen
, dri2_sync
->fence
);
2684 dri2_create_sync(_EGLDriver
*drv
, _EGLDisplay
*dpy
,
2685 EGLenum type
, const EGLAttrib
*attrib_list
)
2687 _EGLContext
*ctx
= _eglGetCurrentContext();
2688 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
2689 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
2690 struct dri2_egl_sync
*dri2_sync
;
2692 pthread_condattr_t attr
;
2694 dri2_sync
= calloc(1, sizeof(struct dri2_egl_sync
));
2696 _eglError(EGL_BAD_ALLOC
, "eglCreateSyncKHR");
2700 if (!_eglInitSync(&dri2_sync
->base
, dpy
, type
, attrib_list
)) {
2706 case EGL_SYNC_FENCE_KHR
:
2707 dri2_sync
->fence
= dri2_dpy
->fence
->create_fence(dri2_ctx
->dri_context
);
2708 if (!dri2_sync
->fence
) {
2709 /* Why did it fail? DRI doesn't return an error code, so we emit
2710 * a generic EGL error that doesn't communicate user error.
2712 _eglError(EGL_BAD_ALLOC
, "eglCreateSyncKHR");
2718 case EGL_SYNC_CL_EVENT_KHR
:
2719 dri2_sync
->fence
= dri2_dpy
->fence
->get_fence_from_cl_event(
2720 dri2_dpy
->dri_screen
,
2721 dri2_sync
->base
.CLEvent
);
2722 /* this can only happen if the cl_event passed in is invalid. */
2723 if (!dri2_sync
->fence
) {
2724 _eglError(EGL_BAD_ATTRIBUTE
, "eglCreateSyncKHR");
2729 /* the initial status must be "signaled" if the cl_event is signaled */
2730 if (dri2_dpy
->fence
->client_wait_sync(dri2_ctx
->dri_context
,
2731 dri2_sync
->fence
, 0, 0))
2732 dri2_sync
->base
.SyncStatus
= EGL_SIGNALED_KHR
;
2735 case EGL_SYNC_REUSABLE_KHR
:
2736 /* intialize attr */
2737 ret
= pthread_condattr_init(&attr
);
2740 _eglError(EGL_BAD_ACCESS
, "eglCreateSyncKHR");
2745 /* change clock attribute to CLOCK_MONOTONIC */
2746 ret
= pthread_condattr_setclock(&attr
, CLOCK_MONOTONIC
);
2749 _eglError(EGL_BAD_ACCESS
, "eglCreateSyncKHR");
2754 ret
= pthread_cond_init(&dri2_sync
->cond
, &attr
);
2757 _eglError(EGL_BAD_ACCESS
, "eglCreateSyncKHR");
2762 /* initial status of reusable sync must be "unsignaled" */
2763 dri2_sync
->base
.SyncStatus
= EGL_UNSIGNALED_KHR
;
2766 case EGL_SYNC_NATIVE_FENCE_ANDROID
:
2767 if (dri2_dpy
->fence
->create_fence_fd
) {
2768 dri2_sync
->fence
= dri2_dpy
->fence
->create_fence_fd(
2769 dri2_ctx
->dri_context
,
2770 dri2_sync
->base
.SyncFd
);
2772 if (!dri2_sync
->fence
) {
2773 _eglError(EGL_BAD_ATTRIBUTE
, "eglCreateSyncKHR");
2780 p_atomic_set(&dri2_sync
->refcount
, 1);
2781 return &dri2_sync
->base
;
2785 dri2_destroy_sync(_EGLDriver
*drv
, _EGLDisplay
*dpy
, _EGLSync
*sync
)
2787 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
2788 struct dri2_egl_sync
*dri2_sync
= dri2_egl_sync(sync
);
2789 EGLint ret
= EGL_TRUE
;
2792 /* if type of sync is EGL_SYNC_REUSABLE_KHR and it is not signaled yet,
2793 * then unlock all threads possibly blocked by the reusable sync before
2796 if (dri2_sync
->base
.Type
== EGL_SYNC_REUSABLE_KHR
&&
2797 dri2_sync
->base
.SyncStatus
== EGL_UNSIGNALED_KHR
) {
2798 dri2_sync
->base
.SyncStatus
= EGL_SIGNALED_KHR
;
2799 /* unblock all threads currently blocked by sync */
2800 err
= cnd_broadcast(&dri2_sync
->cond
);
2803 _eglError(EGL_BAD_ACCESS
, "eglDestroySyncKHR");
2808 dri2_egl_unref_sync(dri2_dpy
, dri2_sync
);
2814 dri2_dup_native_fence_fd(_EGLDriver
*drv
, _EGLDisplay
*dpy
, _EGLSync
*sync
)
2816 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
2817 struct dri2_egl_sync
*dri2_sync
= dri2_egl_sync(sync
);
2819 assert(sync
->Type
== EGL_SYNC_NATIVE_FENCE_ANDROID
);
2821 if (sync
->SyncFd
== EGL_NO_NATIVE_FENCE_FD_ANDROID
) {
2822 /* try to retrieve the actual native fence fd.. if rendering is
2823 * not flushed this will just return -1, aka NO_NATIVE_FENCE_FD:
2825 sync
->SyncFd
= dri2_dpy
->fence
->get_fence_fd(dri2_dpy
->dri_screen
,
2829 if (sync
->SyncFd
== EGL_NO_NATIVE_FENCE_FD_ANDROID
) {
2830 /* if native fence fd still not created, return an error: */
2831 _eglError(EGL_BAD_PARAMETER
, "eglDupNativeFenceFDANDROID");
2832 return EGL_NO_NATIVE_FENCE_FD_ANDROID
;
2835 return dup(sync
->SyncFd
);
2839 dri2_client_wait_sync(_EGLDriver
*drv
, _EGLDisplay
*dpy
, _EGLSync
*sync
,
2840 EGLint flags
, EGLTime timeout
)
2842 _EGLContext
*ctx
= _eglGetCurrentContext();
2843 struct dri2_egl_driver
*dri2_drv
= dri2_egl_driver(drv
);
2844 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
2845 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
2846 struct dri2_egl_sync
*dri2_sync
= dri2_egl_sync(sync
);
2847 unsigned wait_flags
= 0;
2849 /* timespecs for cnd_timedwait */
2850 struct timespec current
;
2853 EGLint ret
= EGL_CONDITION_SATISFIED_KHR
;
2855 /* The EGL_KHR_fence_sync spec states:
2857 * "If no context is current for the bound API,
2858 * the EGL_SYNC_FLUSH_COMMANDS_BIT_KHR bit is ignored.
2860 if (dri2_ctx
&& flags
& EGL_SYNC_FLUSH_COMMANDS_BIT_KHR
)
2861 wait_flags
|= __DRI2_FENCE_FLAG_FLUSH_COMMANDS
;
2863 /* the sync object should take a reference while waiting */
2864 dri2_egl_ref_sync(dri2_sync
);
2866 switch (sync
->Type
) {
2867 case EGL_SYNC_FENCE_KHR
:
2868 case EGL_SYNC_NATIVE_FENCE_ANDROID
:
2869 case EGL_SYNC_CL_EVENT_KHR
:
2870 if (dri2_dpy
->fence
->client_wait_sync(dri2_ctx
? dri2_ctx
->dri_context
: NULL
,
2871 dri2_sync
->fence
, wait_flags
,
2873 dri2_sync
->base
.SyncStatus
= EGL_SIGNALED_KHR
;
2875 ret
= EGL_TIMEOUT_EXPIRED_KHR
;
2878 case EGL_SYNC_REUSABLE_KHR
:
2879 if (dri2_ctx
&& dri2_sync
->base
.SyncStatus
== EGL_UNSIGNALED_KHR
&&
2880 (flags
& EGL_SYNC_FLUSH_COMMANDS_BIT_KHR
)) {
2881 /* flush context if EGL_SYNC_FLUSH_COMMANDS_BIT_KHR is set */
2882 dri2_drv
->glFlush();
2885 /* if timeout is EGL_FOREVER_KHR, it should wait without any timeout.*/
2886 if (timeout
== EGL_FOREVER_KHR
) {
2887 mtx_lock(&dri2_sync
->mutex
);
2888 cnd_wait(&dri2_sync
->cond
, &dri2_sync
->mutex
);
2889 mtx_unlock(&dri2_sync
->mutex
);
2891 /* if reusable sync has not been yet signaled */
2892 if (dri2_sync
->base
.SyncStatus
!= EGL_SIGNALED_KHR
) {
2893 clock_gettime(CLOCK_MONOTONIC
, ¤t
);
2895 /* calculating when to expire */
2896 expire
.nsec
= timeout
% 1000000000L;
2897 expire
.sec
= timeout
/ 1000000000L;
2899 expire
.nsec
+= current
.tv_nsec
;
2900 expire
.sec
+= current
.tv_sec
;
2902 /* expire.nsec now is a number between 0 and 1999999998 */
2903 if (expire
.nsec
> 999999999L) {
2905 expire
.nsec
-= 1000000000L;
2908 mtx_lock(&dri2_sync
->mutex
);
2909 ret
= cnd_timedwait(&dri2_sync
->cond
, &dri2_sync
->mutex
, &expire
);
2910 mtx_unlock(&dri2_sync
->mutex
);
2912 if (ret
== thrd_busy
) {
2913 if (dri2_sync
->base
.SyncStatus
== EGL_UNSIGNALED_KHR
) {
2914 ret
= EGL_TIMEOUT_EXPIRED_KHR
;
2916 _eglError(EGL_BAD_ACCESS
, "eglClientWaitSyncKHR");
2924 dri2_egl_unref_sync(dri2_dpy
, dri2_sync
);
2930 dri2_signal_sync(_EGLDriver
*drv
, _EGLDisplay
*dpy
, _EGLSync
*sync
,
2933 struct dri2_egl_sync
*dri2_sync
= dri2_egl_sync(sync
);
2936 if (sync
->Type
!= EGL_SYNC_REUSABLE_KHR
)
2937 return _eglError(EGL_BAD_MATCH
, "eglSignalSyncKHR");
2939 if (mode
!= EGL_SIGNALED_KHR
&& mode
!= EGL_UNSIGNALED_KHR
)
2940 return _eglError(EGL_BAD_ATTRIBUTE
, "eglSignalSyncKHR");
2942 dri2_sync
->base
.SyncStatus
= mode
;
2944 if (mode
== EGL_SIGNALED_KHR
) {
2945 ret
= cnd_broadcast(&dri2_sync
->cond
);
2947 /* fail to broadcast */
2949 return _eglError(EGL_BAD_ACCESS
, "eglSignalSyncKHR");
2956 dri2_server_wait_sync(_EGLDriver
*drv
, _EGLDisplay
*dpy
, _EGLSync
*sync
)
2958 _EGLContext
*ctx
= _eglGetCurrentContext();
2959 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
2960 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
2961 struct dri2_egl_sync
*dri2_sync
= dri2_egl_sync(sync
);
2963 dri2_dpy
->fence
->server_wait_sync(dri2_ctx
->dri_context
,
2964 dri2_sync
->fence
, 0);
2969 dri2_interop_query_device_info(_EGLDisplay
*dpy
, _EGLContext
*ctx
,
2970 struct mesa_glinterop_device_info
*out
)
2972 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
2973 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
2975 if (!dri2_dpy
->interop
)
2976 return MESA_GLINTEROP_UNSUPPORTED
;
2978 return dri2_dpy
->interop
->query_device_info(dri2_ctx
->dri_context
, out
);
2982 dri2_interop_export_object(_EGLDisplay
*dpy
, _EGLContext
*ctx
,
2983 struct mesa_glinterop_export_in
*in
,
2984 struct mesa_glinterop_export_out
*out
)
2986 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
2987 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
2989 if (!dri2_dpy
->interop
)
2990 return MESA_GLINTEROP_UNSUPPORTED
;
2992 return dri2_dpy
->interop
->export_object(dri2_ctx
->dri_context
, in
, out
);
2996 dri2_unload(_EGLDriver
*drv
)
2998 struct dri2_egl_driver
*dri2_drv
= dri2_egl_driver(drv
);
3000 dlclose(dri2_drv
->handle
);
3005 dri2_load(_EGLDriver
*drv
)
3007 struct dri2_egl_driver
*dri2_drv
= dri2_egl_driver(drv
);
3008 #ifdef HAVE_ANDROID_PLATFORM
3009 const char *libname
= "libglapi.so";
3010 #elif defined(__APPLE__)
3011 const char *libname
= "libglapi.0.dylib";
3012 #elif defined(__CYGWIN__)
3013 const char *libname
= "cygglapi-0.dll";
3015 const char *libname
= "libglapi.so.0";
3019 /* RTLD_GLOBAL to make sure glapi symbols are visible to DRI drivers */
3020 handle
= dlopen(libname
, RTLD_LAZY
| RTLD_GLOBAL
);
3022 _eglLog(_EGL_WARNING
, "DRI2: failed to open glapi provider");
3026 dri2_drv
->get_proc_address
= (_EGLProc (*)(const char *))
3027 dlsym(handle
, "_glapi_get_proc_address");
3029 /* if glapi is not available, loading DRI drivers will fail */
3030 if (!dri2_drv
->get_proc_address
) {
3031 _eglLog(_EGL_WARNING
, "DRI2: failed to find _glapi_get_proc_address");
3035 dri2_drv
->glFlush
= (void (*)(void))
3036 dri2_drv
->get_proc_address("glFlush");
3038 /* if glFlush is not available things are horribly broken */
3039 if (!dri2_drv
->glFlush
) {
3040 _eglLog(_EGL_WARNING
, "DRI2: failed to find glFlush entry point");
3044 dri2_drv
->handle
= handle
;
3054 * This is the main entrypoint into the driver, called by libEGL.
3055 * Create a new _EGLDriver object and init its dispatch table.
3058 _eglBuiltInDriverDRI2(const char *args
)
3060 struct dri2_egl_driver
*dri2_drv
;
3064 dri2_drv
= calloc(1, sizeof *dri2_drv
);
3068 if (!dri2_load(&dri2_drv
->base
)) {
3073 _eglInitDriverFallbacks(&dri2_drv
->base
);
3074 dri2_drv
->base
.API
.Initialize
= dri2_initialize
;
3075 dri2_drv
->base
.API
.Terminate
= dri2_terminate
;
3076 dri2_drv
->base
.API
.CreateContext
= dri2_create_context
;
3077 dri2_drv
->base
.API
.DestroyContext
= dri2_destroy_context
;
3078 dri2_drv
->base
.API
.MakeCurrent
= dri2_make_current
;
3079 dri2_drv
->base
.API
.CreateWindowSurface
= dri2_create_window_surface
;
3080 dri2_drv
->base
.API
.CreatePixmapSurface
= dri2_create_pixmap_surface
;
3081 dri2_drv
->base
.API
.CreatePbufferSurface
= dri2_create_pbuffer_surface
;
3082 dri2_drv
->base
.API
.DestroySurface
= dri2_destroy_surface
;
3083 dri2_drv
->base
.API
.GetProcAddress
= dri2_get_proc_address
;
3084 dri2_drv
->base
.API
.WaitClient
= dri2_wait_client
;
3085 dri2_drv
->base
.API
.WaitNative
= dri2_wait_native
;
3086 dri2_drv
->base
.API
.BindTexImage
= dri2_bind_tex_image
;
3087 dri2_drv
->base
.API
.ReleaseTexImage
= dri2_release_tex_image
;
3088 dri2_drv
->base
.API
.SwapInterval
= dri2_swap_interval
;
3089 dri2_drv
->base
.API
.SwapBuffers
= dri2_swap_buffers
;
3090 dri2_drv
->base
.API
.SwapBuffersWithDamageEXT
= dri2_swap_buffers_with_damage
;
3091 dri2_drv
->base
.API
.SwapBuffersRegionNOK
= dri2_swap_buffers_region
;
3092 dri2_drv
->base
.API
.SetDamageRegion
= dri2_set_damage_region
;
3093 dri2_drv
->base
.API
.PostSubBufferNV
= dri2_post_sub_buffer
;
3094 dri2_drv
->base
.API
.CopyBuffers
= dri2_copy_buffers
,
3095 dri2_drv
->base
.API
.QueryBufferAge
= dri2_query_buffer_age
;
3096 dri2_drv
->base
.API
.CreateImageKHR
= dri2_create_image
;
3097 dri2_drv
->base
.API
.DestroyImageKHR
= dri2_destroy_image_khr
;
3098 dri2_drv
->base
.API
.CreateWaylandBufferFromImageWL
= dri2_create_wayland_buffer_from_image
;
3099 dri2_drv
->base
.API
.QuerySurface
= dri2_query_surface
;
3101 dri2_drv
->base
.API
.CreateDRMImageMESA
= dri2_create_drm_image_mesa
;
3102 dri2_drv
->base
.API
.ExportDRMImageMESA
= dri2_export_drm_image_mesa
;
3103 dri2_drv
->base
.API
.ExportDMABUFImageQueryMESA
= dri2_export_dma_buf_image_query_mesa
;
3104 dri2_drv
->base
.API
.ExportDMABUFImageMESA
= dri2_export_dma_buf_image_mesa
;
3105 dri2_drv
->base
.API
.QueryDmaBufFormatsEXT
= dri2_query_dma_buf_formats
;
3106 dri2_drv
->base
.API
.QueryDmaBufModifiersEXT
= dri2_query_dma_buf_modifiers
;
3108 #ifdef HAVE_WAYLAND_PLATFORM
3109 dri2_drv
->base
.API
.BindWaylandDisplayWL
= dri2_bind_wayland_display_wl
;
3110 dri2_drv
->base
.API
.UnbindWaylandDisplayWL
= dri2_unbind_wayland_display_wl
;
3111 dri2_drv
->base
.API
.QueryWaylandBufferWL
= dri2_query_wayland_buffer_wl
;
3113 dri2_drv
->base
.API
.GetSyncValuesCHROMIUM
= dri2_get_sync_values_chromium
;
3114 dri2_drv
->base
.API
.CreateSyncKHR
= dri2_create_sync
;
3115 dri2_drv
->base
.API
.ClientWaitSyncKHR
= dri2_client_wait_sync
;
3116 dri2_drv
->base
.API
.SignalSyncKHR
= dri2_signal_sync
;
3117 dri2_drv
->base
.API
.WaitSyncKHR
= dri2_server_wait_sync
;
3118 dri2_drv
->base
.API
.DestroySyncKHR
= dri2_destroy_sync
;
3119 dri2_drv
->base
.API
.GLInteropQueryDeviceInfo
= dri2_interop_query_device_info
;
3120 dri2_drv
->base
.API
.GLInteropExportObject
= dri2_interop_export_object
;
3121 dri2_drv
->base
.API
.DupNativeFenceFDANDROID
= dri2_dup_native_fence_fd
;
3123 dri2_drv
->base
.Name
= "DRI2";
3124 dri2_drv
->base
.Unload
= dri2_unload
;
3126 return &dri2_drv
->base
;