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;
200 _eglInitConfig(&base
, disp
, id
);
204 bind_to_texture_rgb
= 0;
205 bind_to_texture_rgba
= 0;
207 while (dri2_dpy
->core
->indexConfigAttrib(dri_config
, i
++, &attrib
, &value
)) {
209 case __DRI_ATTRIB_RENDER_TYPE
:
210 if (value
& __DRI_ATTRIB_RGBA_BIT
)
211 value
= EGL_RGB_BUFFER
;
212 else if (value
& __DRI_ATTRIB_LUMINANCE_BIT
)
213 value
= EGL_LUMINANCE_BUFFER
;
216 _eglSetConfigKey(&base
, EGL_COLOR_BUFFER_TYPE
, value
);
219 case __DRI_ATTRIB_CONFIG_CAVEAT
:
220 if (value
& __DRI_ATTRIB_NON_CONFORMANT_CONFIG
)
221 value
= EGL_NON_CONFORMANT_CONFIG
;
222 else if (value
& __DRI_ATTRIB_SLOW_BIT
)
223 value
= EGL_SLOW_CONFIG
;
226 _eglSetConfigKey(&base
, EGL_CONFIG_CAVEAT
, value
);
229 case __DRI_ATTRIB_BIND_TO_TEXTURE_RGB
:
230 bind_to_texture_rgb
= value
;
233 case __DRI_ATTRIB_BIND_TO_TEXTURE_RGBA
:
234 bind_to_texture_rgba
= value
;
237 case __DRI_ATTRIB_DOUBLE_BUFFER
:
238 double_buffer
= value
;
241 case __DRI_ATTRIB_RED_MASK
:
242 dri_masks
[0] = value
;
245 case __DRI_ATTRIB_GREEN_MASK
:
246 dri_masks
[1] = value
;
249 case __DRI_ATTRIB_BLUE_MASK
:
250 dri_masks
[2] = value
;
253 case __DRI_ATTRIB_ALPHA_MASK
:
254 dri_masks
[3] = value
;
257 case __DRI_ATTRIB_ACCUM_RED_SIZE
:
258 case __DRI_ATTRIB_ACCUM_GREEN_SIZE
:
259 case __DRI_ATTRIB_ACCUM_BLUE_SIZE
:
260 case __DRI_ATTRIB_ACCUM_ALPHA_SIZE
:
261 /* Don't expose visuals with the accumulation buffer. */
266 case __DRI_ATTRIB_FRAMEBUFFER_SRGB_CAPABLE
:
268 if (!disp
->Extensions
.KHR_gl_colorspace
&& srgb
)
272 case __DRI_ATTRIB_MAX_PBUFFER_WIDTH
:
273 _eglSetConfigKey(&base
, EGL_MAX_PBUFFER_WIDTH
,
274 _EGL_MAX_PBUFFER_WIDTH
);
276 case __DRI_ATTRIB_MAX_PBUFFER_HEIGHT
:
277 _eglSetConfigKey(&base
, EGL_MAX_PBUFFER_HEIGHT
,
278 _EGL_MAX_PBUFFER_HEIGHT
);
282 key
= dri2_to_egl_attribute_map
[attrib
];
284 _eglSetConfigKey(&base
, key
, value
);
290 for (i
= 0; attr_list
[i
] != EGL_NONE
; i
+= 2)
291 _eglSetConfigKey(&base
, attr_list
[i
], attr_list
[i
+1]);
293 if (rgba_masks
&& memcmp(rgba_masks
, dri_masks
, sizeof(dri_masks
)))
296 base
.NativeRenderable
= EGL_TRUE
;
298 base
.SurfaceType
= surface_type
;
299 if (surface_type
& (EGL_PBUFFER_BIT
|
300 (disp
->Extensions
.NOK_texture_from_pixmap
? EGL_PIXMAP_BIT
: 0))) {
301 base
.BindToTextureRGB
= bind_to_texture_rgb
;
302 if (base
.AlphaSize
> 0)
303 base
.BindToTextureRGBA
= bind_to_texture_rgba
;
306 base
.RenderableType
= disp
->ClientAPIs
;
307 base
.Conformant
= disp
->ClientAPIs
;
309 base
.MinSwapInterval
= dri2_dpy
->min_swap_interval
;
310 base
.MaxSwapInterval
= dri2_dpy
->max_swap_interval
;
312 if (!_eglValidateConfig(&base
, EGL_FALSE
)) {
313 _eglLog(_EGL_DEBUG
, "DRI2: failed to validate config %d", id
);
317 config_id
= base
.ConfigID
;
318 base
.ConfigID
= EGL_DONT_CARE
;
319 base
.SurfaceType
= EGL_DONT_CARE
;
320 num_configs
= _eglFilterArray(disp
->Configs
, (void **) &matching_config
, 1,
321 (_EGLArrayForEach
) dri2_match_config
, &base
);
323 if (num_configs
== 1) {
324 conf
= (struct dri2_egl_config
*) matching_config
;
326 if (!conf
->dri_config
[double_buffer
][srgb
])
327 conf
->dri_config
[double_buffer
][srgb
] = dri_config
;
329 /* a similar config type is already added (unlikely) => discard */
332 else if (num_configs
== 0) {
333 conf
= calloc(1, sizeof *conf
);
337 conf
->dri_config
[double_buffer
][srgb
] = dri_config
;
339 memcpy(&conf
->base
, &base
, sizeof base
);
340 conf
->base
.SurfaceType
= 0;
341 conf
->base
.ConfigID
= config_id
;
343 _eglLinkConfig(&conf
->base
);
351 surface_type
&= ~EGL_PIXMAP_BIT
;
354 /* No support for pbuffer + MSAA for now.
356 * XXX TODO: pbuffer + MSAA does not work and causes crashes.
357 * See QT bugreport: https://bugreports.qt.io/browse/QTBUG-47509
360 surface_type
&= ~EGL_PBUFFER_BIT
;
363 conf
->base
.SurfaceType
|= surface_type
;
369 dri2_lookup_egl_image(__DRIscreen
*screen
, void *image
, void *data
)
371 _EGLDisplay
*disp
= data
;
372 struct dri2_egl_image
*dri2_img
;
377 img
= _eglLookupImage(image
, disp
);
379 _eglError(EGL_BAD_PARAMETER
, "dri2_lookup_egl_image");
383 dri2_img
= dri2_egl_image(image
);
385 return dri2_img
->dri_image
;
388 const __DRIimageLookupExtension image_lookup_extension
= {
389 .base
= { __DRI_IMAGE_LOOKUP
, 1 },
391 .lookupEGLImage
= dri2_lookup_egl_image
394 struct dri2_extension_match
{
400 static const struct dri2_extension_match dri3_driver_extensions
[] = {
401 { __DRI_CORE
, 1, offsetof(struct dri2_egl_display
, core
) },
402 { __DRI_IMAGE_DRIVER
, 1, offsetof(struct dri2_egl_display
, image_driver
) },
406 static const struct dri2_extension_match dri2_driver_extensions
[] = {
407 { __DRI_CORE
, 1, offsetof(struct dri2_egl_display
, core
) },
408 { __DRI_DRI2
, 2, offsetof(struct dri2_egl_display
, dri2
) },
412 static const struct dri2_extension_match dri2_core_extensions
[] = {
413 { __DRI2_FLUSH
, 1, offsetof(struct dri2_egl_display
, flush
) },
414 { __DRI_TEX_BUFFER
, 2, offsetof(struct dri2_egl_display
, tex_buffer
) },
415 { __DRI_IMAGE
, 1, offsetof(struct dri2_egl_display
, image
) },
419 static const struct dri2_extension_match swrast_driver_extensions
[] = {
420 { __DRI_CORE
, 1, offsetof(struct dri2_egl_display
, core
) },
421 { __DRI_SWRAST
, 2, offsetof(struct dri2_egl_display
, swrast
) },
425 static const struct dri2_extension_match swrast_core_extensions
[] = {
426 { __DRI_TEX_BUFFER
, 2, offsetof(struct dri2_egl_display
, tex_buffer
) },
430 static const struct dri2_extension_match optional_core_extensions
[] = {
431 { __DRI2_ROBUSTNESS
, 1, offsetof(struct dri2_egl_display
, robustness
) },
432 { __DRI2_CONFIG_QUERY
, 1, offsetof(struct dri2_egl_display
, config
) },
433 { __DRI2_FENCE
, 1, offsetof(struct dri2_egl_display
, fence
) },
434 { __DRI2_RENDERER_QUERY
, 1, offsetof(struct dri2_egl_display
, rendererQuery
) },
435 { __DRI2_INTEROP
, 1, offsetof(struct dri2_egl_display
, interop
) },
440 dri2_bind_extensions(struct dri2_egl_display
*dri2_dpy
,
441 const struct dri2_extension_match
*matches
,
442 const __DRIextension
**extensions
,
445 int i
, j
, ret
= EGL_TRUE
;
448 for (i
= 0; extensions
[i
]; i
++) {
449 _eglLog(_EGL_DEBUG
, "found extension `%s'", extensions
[i
]->name
);
450 for (j
= 0; matches
[j
].name
; j
++) {
451 if (strcmp(extensions
[i
]->name
, matches
[j
].name
) == 0 &&
452 extensions
[i
]->version
>= matches
[j
].version
) {
453 field
= ((char *) dri2_dpy
+ matches
[j
].offset
);
454 *(const __DRIextension
**) field
= extensions
[i
];
455 _eglLog(_EGL_INFO
, "found extension %s version %d",
456 extensions
[i
]->name
, extensions
[i
]->version
);
462 for (j
= 0; matches
[j
].name
; j
++) {
463 field
= ((char *) dri2_dpy
+ matches
[j
].offset
);
464 if (*(const __DRIextension
**) field
== NULL
) {
466 _eglLog(_EGL_DEBUG
, "did not find optional extension %s version %d",
467 matches
[j
].name
, matches
[j
].version
);
469 _eglLog(_EGL_WARNING
, "did not find extension %s version %d",
470 matches
[j
].name
, matches
[j
].version
);
479 static const __DRIextension
**
480 dri2_open_driver(_EGLDisplay
*disp
)
482 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
483 const __DRIextension
**extensions
= NULL
;
484 char path
[PATH_MAX
], *search_paths
, *p
, *next
, *end
;
485 char *get_extensions_name
;
486 const __DRIextension
**(*get_extensions
)(void);
489 if (geteuid() == getuid()) {
490 /* don't allow setuid apps to use LIBGL_DRIVERS_PATH */
491 search_paths
= getenv("LIBGL_DRIVERS_PATH");
493 if (search_paths
== NULL
)
494 search_paths
= DEFAULT_DRIVER_DIR
;
496 dri2_dpy
->driver
= NULL
;
497 end
= search_paths
+ strlen(search_paths
);
498 for (p
= search_paths
; p
< end
; p
= next
+ 1) {
500 next
= strchr(p
, ':');
506 snprintf(path
, sizeof path
,
507 "%.*s/tls/%s_dri.so", len
, p
, dri2_dpy
->driver_name
);
508 dri2_dpy
->driver
= dlopen(path
, RTLD_NOW
| RTLD_GLOBAL
);
510 if (dri2_dpy
->driver
== NULL
) {
511 snprintf(path
, sizeof path
,
512 "%.*s/%s_dri.so", len
, p
, dri2_dpy
->driver_name
);
513 dri2_dpy
->driver
= dlopen(path
, RTLD_NOW
| RTLD_GLOBAL
);
514 if (dri2_dpy
->driver
== NULL
)
515 _eglLog(_EGL_DEBUG
, "failed to open %s: %s\n", path
, dlerror());
517 /* not need continue to loop all paths once the driver is found */
518 if (dri2_dpy
->driver
!= NULL
)
522 snprintf(path
, sizeof path
, "%.*s/gallium_dri.so", len
, p
);
523 dri2_dpy
->driver
= dlopen(path
, RTLD_NOW
| RTLD_GLOBAL
);
524 if (dri2_dpy
->driver
== NULL
)
525 _eglLog(_EGL_DEBUG
, "failed to open %s: %s\n", path
, dlerror());
531 if (dri2_dpy
->driver
== NULL
) {
532 _eglLog(_EGL_WARNING
,
533 "DRI2: failed to open %s (search paths %s)",
534 dri2_dpy
->driver_name
, search_paths
);
538 _eglLog(_EGL_DEBUG
, "DRI2: dlopen(%s)", path
);
540 get_extensions_name
= loader_get_extensions_name(dri2_dpy
->driver_name
);
541 if (get_extensions_name
) {
542 get_extensions
= dlsym(dri2_dpy
->driver
, get_extensions_name
);
543 if (get_extensions
) {
544 extensions
= get_extensions();
546 _eglLog(_EGL_DEBUG
, "driver does not expose %s(): %s\n",
547 get_extensions_name
, dlerror());
549 free(get_extensions_name
);
553 extensions
= dlsym(dri2_dpy
->driver
, __DRI_DRIVER_EXTENSIONS
);
554 if (extensions
== NULL
) {
555 _eglLog(_EGL_WARNING
,
556 "DRI2: driver exports no extensions (%s)", dlerror());
557 dlclose(dri2_dpy
->driver
);
564 dri2_load_driver_dri3(_EGLDisplay
*disp
)
566 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
567 const __DRIextension
**extensions
;
569 extensions
= dri2_open_driver(disp
);
573 if (!dri2_bind_extensions(dri2_dpy
, dri3_driver_extensions
, extensions
, false)) {
574 dlclose(dri2_dpy
->driver
);
577 dri2_dpy
->driver_extensions
= extensions
;
583 dri2_load_driver(_EGLDisplay
*disp
)
585 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
586 const __DRIextension
**extensions
;
588 extensions
= dri2_open_driver(disp
);
592 if (!dri2_bind_extensions(dri2_dpy
, dri2_driver_extensions
, extensions
, false)) {
593 dlclose(dri2_dpy
->driver
);
596 dri2_dpy
->driver_extensions
= extensions
;
602 dri2_load_driver_swrast(_EGLDisplay
*disp
)
604 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
605 const __DRIextension
**extensions
;
607 extensions
= dri2_open_driver(disp
);
611 if (!dri2_bind_extensions(dri2_dpy
, swrast_driver_extensions
, extensions
, false)) {
612 dlclose(dri2_dpy
->driver
);
615 dri2_dpy
->driver_extensions
= extensions
;
621 dri2_renderer_query_integer(struct dri2_egl_display
*dri2_dpy
, int param
)
623 const __DRI2rendererQueryExtension
*rendererQuery
= dri2_dpy
->rendererQuery
;
624 unsigned int value
= 0;
626 if (!rendererQuery
||
627 rendererQuery
->queryInteger(dri2_dpy
->dri_screen
, param
, &value
) == -1)
634 dri2_setup_screen(_EGLDisplay
*disp
)
636 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
637 unsigned int api_mask
;
639 if (dri2_dpy
->image_driver
) {
640 api_mask
= dri2_dpy
->image_driver
->getAPIMask(dri2_dpy
->dri_screen
);
641 } else if (dri2_dpy
->dri2
) {
642 api_mask
= dri2_dpy
->dri2
->getAPIMask(dri2_dpy
->dri_screen
);
644 assert(dri2_dpy
->swrast
);
645 api_mask
= 1 << __DRI_API_OPENGL
|
646 1 << __DRI_API_GLES
|
647 1 << __DRI_API_GLES2
|
648 1 << __DRI_API_GLES3
;
651 disp
->ClientAPIs
= 0;
652 if ((api_mask
& (1 <<__DRI_API_OPENGL
)) && _eglIsApiValid(EGL_OPENGL_API
))
653 disp
->ClientAPIs
|= EGL_OPENGL_BIT
;
654 if ((api_mask
& (1 << __DRI_API_GLES
)) && _eglIsApiValid(EGL_OPENGL_ES_API
))
655 disp
->ClientAPIs
|= EGL_OPENGL_ES_BIT
;
656 if ((api_mask
& (1 << __DRI_API_GLES2
)) && _eglIsApiValid(EGL_OPENGL_ES_API
))
657 disp
->ClientAPIs
|= EGL_OPENGL_ES2_BIT
;
658 if ((api_mask
& (1 << __DRI_API_GLES3
)) && _eglIsApiValid(EGL_OPENGL_ES_API
))
659 disp
->ClientAPIs
|= EGL_OPENGL_ES3_BIT_KHR
;
661 assert(dri2_dpy
->image_driver
|| dri2_dpy
->dri2
|| dri2_dpy
->swrast
);
662 disp
->Extensions
.KHR_no_config_context
= EGL_TRUE
;
663 disp
->Extensions
.KHR_surfaceless_context
= EGL_TRUE
;
665 if (dri2_renderer_query_integer(dri2_dpy
,
666 __DRI2_RENDERER_HAS_FRAMEBUFFER_SRGB
))
667 disp
->Extensions
.KHR_gl_colorspace
= EGL_TRUE
;
669 if (dri2_dpy
->image_driver
||
670 (dri2_dpy
->dri2
&& dri2_dpy
->dri2
->base
.version
>= 3) ||
671 (dri2_dpy
->swrast
&& dri2_dpy
->swrast
->base
.version
>= 3)) {
672 disp
->Extensions
.KHR_create_context
= EGL_TRUE
;
674 if (dri2_dpy
->robustness
)
675 disp
->Extensions
.EXT_create_context_robustness
= EGL_TRUE
;
678 if (dri2_dpy
->fence
) {
679 disp
->Extensions
.KHR_fence_sync
= EGL_TRUE
;
680 disp
->Extensions
.KHR_wait_sync
= EGL_TRUE
;
681 if (dri2_dpy
->fence
->get_fence_from_cl_event
)
682 disp
->Extensions
.KHR_cl_event2
= EGL_TRUE
;
683 if (dri2_dpy
->fence
->base
.version
>= 2) {
684 unsigned capabilities
=
685 dri2_dpy
->fence
->get_capabilities(dri2_dpy
->dri_screen
);
686 disp
->Extensions
.ANDROID_native_fence_sync
=
687 (capabilities
& __DRI_FENCE_CAP_NATIVE_FD
) != 0;
691 disp
->Extensions
.KHR_reusable_sync
= EGL_TRUE
;
693 if (dri2_dpy
->image
) {
694 if (dri2_dpy
->image
->base
.version
>= 10 &&
695 dri2_dpy
->image
->getCapabilities
!= NULL
) {
698 capabilities
= dri2_dpy
->image
->getCapabilities(dri2_dpy
->dri_screen
);
699 disp
->Extensions
.MESA_drm_image
= (capabilities
& __DRI_IMAGE_CAP_GLOBAL_NAMES
) != 0;
701 if (dri2_dpy
->image
->base
.version
>= 11)
702 disp
->Extensions
.MESA_image_dma_buf_export
= EGL_TRUE
;
704 disp
->Extensions
.MESA_drm_image
= EGL_TRUE
;
705 if (dri2_dpy
->image
->base
.version
>= 11)
706 disp
->Extensions
.MESA_image_dma_buf_export
= EGL_TRUE
;
709 disp
->Extensions
.KHR_image_base
= EGL_TRUE
;
710 disp
->Extensions
.KHR_gl_renderbuffer_image
= EGL_TRUE
;
711 if (dri2_dpy
->image
->base
.version
>= 5 &&
712 dri2_dpy
->image
->createImageFromTexture
) {
713 disp
->Extensions
.KHR_gl_texture_2D_image
= EGL_TRUE
;
714 disp
->Extensions
.KHR_gl_texture_cubemap_image
= EGL_TRUE
;
716 if (dri2_renderer_query_integer(dri2_dpy
,
717 __DRI2_RENDERER_HAS_TEXTURE_3D
))
718 disp
->Extensions
.KHR_gl_texture_3D_image
= EGL_TRUE
;
720 if (dri2_dpy
->image
->base
.version
>= 8 &&
721 dri2_dpy
->image
->createImageFromDmaBufs
) {
722 disp
->Extensions
.EXT_image_dma_buf_import
= EGL_TRUE
;
724 if (dri2_dpy
->image
->base
.version
>= 15 &&
725 dri2_dpy
->image
->createImageFromDmaBufs2
&&
726 dri2_dpy
->image
->queryDmaBufFormats
&&
727 dri2_dpy
->image
->queryDmaBufModifiers
) {
728 disp
->Extensions
.EXT_image_dma_buf_import_modifiers
= EGL_TRUE
;
734 /* All platforms but DRM call this function to create the screen and populate
735 * the driver_configs. DRM inherits that information from its display - GBM.
738 dri2_create_screen(_EGLDisplay
*disp
)
740 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
742 if (dri2_dpy
->image_driver
) {
743 dri2_dpy
->dri_screen
=
744 dri2_dpy
->image_driver
->createNewScreen2(0, dri2_dpy
->fd
,
745 dri2_dpy
->loader_extensions
,
746 dri2_dpy
->driver_extensions
,
747 &dri2_dpy
->driver_configs
,
749 } else if (dri2_dpy
->dri2
) {
750 if (dri2_dpy
->dri2
->base
.version
>= 4) {
751 dri2_dpy
->dri_screen
=
752 dri2_dpy
->dri2
->createNewScreen2(0, dri2_dpy
->fd
,
753 dri2_dpy
->loader_extensions
,
754 dri2_dpy
->driver_extensions
,
755 &dri2_dpy
->driver_configs
, disp
);
757 dri2_dpy
->dri_screen
=
758 dri2_dpy
->dri2
->createNewScreen(0, dri2_dpy
->fd
,
759 dri2_dpy
->loader_extensions
,
760 &dri2_dpy
->driver_configs
, disp
);
763 assert(dri2_dpy
->swrast
);
764 if (dri2_dpy
->swrast
->base
.version
>= 4) {
765 dri2_dpy
->dri_screen
=
766 dri2_dpy
->swrast
->createNewScreen2(0, dri2_dpy
->loader_extensions
,
767 dri2_dpy
->driver_extensions
,
768 &dri2_dpy
->driver_configs
, disp
);
770 dri2_dpy
->dri_screen
=
771 dri2_dpy
->swrast
->createNewScreen(0, dri2_dpy
->loader_extensions
,
772 &dri2_dpy
->driver_configs
, disp
);
776 if (dri2_dpy
->dri_screen
== NULL
) {
777 _eglLog(_EGL_WARNING
, "DRI2: failed to create dri screen");
781 dri2_dpy
->own_dri_screen
= true;
786 dri2_setup_extensions(_EGLDisplay
*disp
)
788 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
789 const struct dri2_extension_match
*mandatory_core_extensions
;
790 const __DRIextension
**extensions
;
792 extensions
= dri2_dpy
->core
->getExtensions(dri2_dpy
->dri_screen
);
794 if (dri2_dpy
->image_driver
|| dri2_dpy
->dri2
)
795 mandatory_core_extensions
= dri2_core_extensions
;
797 mandatory_core_extensions
= swrast_core_extensions
;
799 if (!dri2_bind_extensions(dri2_dpy
, mandatory_core_extensions
, extensions
, false))
802 dri2_bind_extensions(dri2_dpy
, optional_core_extensions
, extensions
, true);
807 * Called via eglInitialize(), GLX_drv->API.Initialize().
809 * This must be guaranteed to be called exactly once, even if eglInitialize is
810 * called many times (without a eglTerminate in between).
813 dri2_initialize(_EGLDriver
*drv
, _EGLDisplay
*disp
)
815 EGLBoolean ret
= EGL_FALSE
;
816 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
818 /* In the case where the application calls eglMakeCurrent(context1),
819 * eglTerminate, then eglInitialize again (without a call to eglReleaseThread
820 * or eglMakeCurrent(NULL) before that), dri2_dpy structure is still
821 * initialized, as we need it to be able to free context1 correctly.
823 * It would probably be safest to forcibly release the display with
824 * dri2_display_release, to make sure the display is reinitialized correctly.
825 * However, the EGL spec states that we need to keep a reference to the
826 * current context (so we cannot call dri2_make_current(NULL)), and therefore
827 * we would leak context1 as we would be missing the old display connection
828 * to free it up correctly.
831 dri2_dpy
->ref_count
++;
835 /* not until swrast_dri is supported */
836 if (disp
->Options
.UseFallback
)
839 /* Nothing to initialize for a test only display */
840 if (disp
->Options
.TestOnly
)
843 switch (disp
->Platform
) {
844 #ifdef HAVE_SURFACELESS_PLATFORM
845 case _EGL_PLATFORM_SURFACELESS
:
846 ret
= dri2_initialize_surfaceless(drv
, disp
);
849 #ifdef HAVE_X11_PLATFORM
850 case _EGL_PLATFORM_X11
:
851 ret
= dri2_initialize_x11(drv
, disp
);
854 #ifdef HAVE_DRM_PLATFORM
855 case _EGL_PLATFORM_DRM
:
856 ret
= dri2_initialize_drm(drv
, disp
);
859 #ifdef HAVE_WAYLAND_PLATFORM
860 case _EGL_PLATFORM_WAYLAND
:
861 ret
= dri2_initialize_wayland(drv
, disp
);
864 #ifdef HAVE_ANDROID_PLATFORM
865 case _EGL_PLATFORM_ANDROID
:
866 ret
= dri2_initialize_android(drv
, disp
);
870 _eglLog(_EGL_WARNING
, "No EGL platform enabled.");
875 dri2_dpy
= dri2_egl_display(disp
);
881 dri2_dpy
->ref_count
++;
888 * Decrement display reference count, and free up display if necessary.
891 dri2_display_release(_EGLDisplay
*disp
)
893 struct dri2_egl_display
*dri2_dpy
;
898 dri2_dpy
= dri2_egl_display(disp
);
900 assert(dri2_dpy
->ref_count
> 0);
901 dri2_dpy
->ref_count
--;
903 if (dri2_dpy
->ref_count
> 0)
906 _eglCleanupDisplay(disp
);
907 dri2_display_destroy(disp
);
911 dri2_display_destroy(_EGLDisplay
*disp
)
913 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
916 if (dri2_dpy
->own_dri_screen
)
917 dri2_dpy
->core
->destroyScreen(dri2_dpy
->dri_screen
);
918 if (dri2_dpy
->fd
>= 0)
920 if (dri2_dpy
->driver
)
921 dlclose(dri2_dpy
->driver
);
922 free(dri2_dpy
->driver_name
);
924 #ifdef HAVE_WAYLAND_PLATFORM
925 free(dri2_dpy
->device_name
);
928 switch (disp
->Platform
) {
929 #ifdef HAVE_X11_PLATFORM
930 case _EGL_PLATFORM_X11
:
931 if (dri2_dpy
->own_device
) {
932 xcb_disconnect(dri2_dpy
->conn
);
936 #ifdef HAVE_DRM_PLATFORM
937 case _EGL_PLATFORM_DRM
:
938 if (dri2_dpy
->own_device
) {
939 gbm_device_destroy(&dri2_dpy
->gbm_dri
->base
);
943 #ifdef HAVE_WAYLAND_PLATFORM
944 case _EGL_PLATFORM_WAYLAND
:
945 if (dri2_dpy
->wl_drm
)
946 wl_drm_destroy(dri2_dpy
->wl_drm
);
947 if (dri2_dpy
->wl_shm
)
948 wl_shm_destroy(dri2_dpy
->wl_shm
);
949 wl_registry_destroy(dri2_dpy
->wl_registry
);
950 wl_event_queue_destroy(dri2_dpy
->wl_queue
);
951 wl_proxy_wrapper_destroy(dri2_dpy
->wl_dpy_wrapper
);
952 if (dri2_dpy
->own_device
) {
953 wl_display_disconnect(dri2_dpy
->wl_dpy
);
961 /* The drm platform does not create the screen/driver_configs but reuses
962 * the ones from the gbm device. As such the gbm itself is responsible
965 if (disp
->Platform
!= _EGL_PLATFORM_DRM
&& dri2_dpy
->driver_configs
) {
966 for (i
= 0; dri2_dpy
->driver_configs
[i
]; i
++)
967 free((__DRIconfig
*) dri2_dpy
->driver_configs
[i
]);
968 free(dri2_dpy
->driver_configs
);
971 disp
->DriverData
= NULL
;
975 * Called via eglTerminate(), drv->API.Terminate().
977 * This must be guaranteed to be called exactly once, even if eglTerminate is
978 * called many times (without a eglInitialize in between).
981 dri2_terminate(_EGLDriver
*drv
, _EGLDisplay
*disp
)
983 /* Release all non-current Context/Surfaces. */
984 _eglReleaseDisplayResources(drv
, disp
);
986 dri2_display_release(disp
);
992 * Set the error code after a call to
993 * dri2_egl_display::dri2::createContextAttribs.
996 dri2_create_context_attribs_error(int dri_error
)
1000 switch (dri_error
) {
1001 case __DRI_CTX_ERROR_SUCCESS
:
1004 case __DRI_CTX_ERROR_NO_MEMORY
:
1005 egl_error
= EGL_BAD_ALLOC
;
1008 /* From the EGL_KHR_create_context spec, section "Errors":
1010 * * If <config> does not support a client API context compatible
1011 * with the requested API major and minor version, [...] context flags,
1012 * and context reset notification behavior (for client API types where
1013 * these attributes are supported), then an EGL_BAD_MATCH error is
1016 * * If an OpenGL ES context is requested and the values for
1017 * attributes EGL_CONTEXT_MAJOR_VERSION_KHR and
1018 * EGL_CONTEXT_MINOR_VERSION_KHR specify an OpenGL ES version that
1019 * is not defined, than an EGL_BAD_MATCH error is generated.
1021 * * If an OpenGL context is requested, the requested version is
1022 * greater than 3.2, and the value for attribute
1023 * EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR has no bits set; has any
1024 * bits set other than EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR and
1025 * EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR; has more than
1026 * one of these bits set; or if the implementation does not support
1027 * the requested profile, then an EGL_BAD_MATCH error is generated.
1029 case __DRI_CTX_ERROR_BAD_API
:
1030 case __DRI_CTX_ERROR_BAD_VERSION
:
1031 case __DRI_CTX_ERROR_BAD_FLAG
:
1032 egl_error
= EGL_BAD_MATCH
;
1035 /* From the EGL_KHR_create_context spec, section "Errors":
1037 * * If an attribute name or attribute value in <attrib_list> is not
1038 * recognized (including unrecognized bits in bitmask attributes),
1039 * then an EGL_BAD_ATTRIBUTE error is generated."
1041 case __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE
:
1042 case __DRI_CTX_ERROR_UNKNOWN_FLAG
:
1043 egl_error
= EGL_BAD_ATTRIBUTE
;
1048 egl_error
= EGL_BAD_MATCH
;
1052 _eglError(egl_error
, "dri2_create_context");
1056 dri2_fill_context_attribs(struct dri2_egl_context
*dri2_ctx
,
1057 struct dri2_egl_display
*dri2_dpy
,
1058 uint32_t *ctx_attribs
,
1059 unsigned *num_attribs
)
1063 assert(*num_attribs
>= 8);
1065 ctx_attribs
[pos
++] = __DRI_CTX_ATTRIB_MAJOR_VERSION
;
1066 ctx_attribs
[pos
++] = dri2_ctx
->base
.ClientMajorVersion
;
1067 ctx_attribs
[pos
++] = __DRI_CTX_ATTRIB_MINOR_VERSION
;
1068 ctx_attribs
[pos
++] = dri2_ctx
->base
.ClientMinorVersion
;
1070 if (dri2_ctx
->base
.Flags
!= 0) {
1071 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
1072 * extension, don't even try to send it the robust-access flag.
1073 * It may explode. Instead, generate the required EGL error here.
1075 if ((dri2_ctx
->base
.Flags
& EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR
) != 0
1076 && !dri2_dpy
->robustness
) {
1077 _eglError(EGL_BAD_MATCH
, "eglCreateContext");
1081 ctx_attribs
[pos
++] = __DRI_CTX_ATTRIB_FLAGS
;
1082 ctx_attribs
[pos
++] = dri2_ctx
->base
.Flags
;
1085 if (dri2_ctx
->base
.ResetNotificationStrategy
!= EGL_NO_RESET_NOTIFICATION_KHR
) {
1086 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
1087 * extension, don't even try to send it a reset strategy. It may
1088 * explode. Instead, generate the required EGL error here.
1090 if (!dri2_dpy
->robustness
) {
1091 _eglError(EGL_BAD_CONFIG
, "eglCreateContext");
1095 ctx_attribs
[pos
++] = __DRI_CTX_ATTRIB_RESET_STRATEGY
;
1096 ctx_attribs
[pos
++] = __DRI_CTX_RESET_LOSE_CONTEXT
;
1105 * Called via eglCreateContext(), drv->API.CreateContext().
1107 static _EGLContext
*
1108 dri2_create_context(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLConfig
*conf
,
1109 _EGLContext
*share_list
, const EGLint
*attrib_list
)
1111 struct dri2_egl_context
*dri2_ctx
;
1112 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1113 struct dri2_egl_context
*dri2_ctx_shared
= dri2_egl_context(share_list
);
1114 __DRIcontext
*shared
=
1115 dri2_ctx_shared
? dri2_ctx_shared
->dri_context
: NULL
;
1116 struct dri2_egl_config
*dri2_config
= dri2_egl_config(conf
);
1117 const __DRIconfig
*dri_config
;
1122 dri2_ctx
= malloc(sizeof *dri2_ctx
);
1124 _eglError(EGL_BAD_ALLOC
, "eglCreateContext");
1128 if (!_eglInitContext(&dri2_ctx
->base
, disp
, conf
, attrib_list
))
1131 /* The EGL_EXT_create_context_robustness spec says:
1133 * "Add to the eglCreateContext context creation errors: [...]
1135 * * If the reset notification behavior of <share_context> and the
1136 * newly created context are different then an EGL_BAD_MATCH error is
1139 if (share_list
&& share_list
->ResetNotificationStrategy
!=
1140 dri2_ctx
->base
.ResetNotificationStrategy
) {
1141 _eglError(EGL_BAD_MATCH
, "eglCreateContext");
1145 switch (dri2_ctx
->base
.ClientAPI
) {
1146 case EGL_OPENGL_ES_API
:
1147 switch (dri2_ctx
->base
.ClientMajorVersion
) {
1149 api
= __DRI_API_GLES
;
1152 api
= __DRI_API_GLES2
;
1155 api
= __DRI_API_GLES3
;
1158 _eglError(EGL_BAD_PARAMETER
, "eglCreateContext");
1163 case EGL_OPENGL_API
:
1164 if ((dri2_ctx
->base
.ClientMajorVersion
>= 4
1165 || (dri2_ctx
->base
.ClientMajorVersion
== 3
1166 && dri2_ctx
->base
.ClientMinorVersion
>= 2))
1167 && dri2_ctx
->base
.Profile
== EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR
)
1168 api
= __DRI_API_OPENGL_CORE
;
1170 api
= __DRI_API_OPENGL
;
1173 _eglError(EGL_BAD_PARAMETER
, "eglCreateContext");
1179 /* The config chosen here isn't necessarily
1180 * used for surfaces later.
1181 * A pixmap surface will use the single config.
1182 * This opportunity depends on disabling the
1183 * doubleBufferMode check in
1184 * src/mesa/main/context.c:check_compatible()
1186 if (dri2_config
->dri_config
[1][0])
1187 dri_config
= dri2_config
->dri_config
[1][0];
1189 dri_config
= dri2_config
->dri_config
[0][0];
1191 /* EGL_WINDOW_BIT is set only when there is a double-buffered dri_config.
1192 * This makes sure the back buffer will always be used.
1194 if (conf
->SurfaceType
& EGL_WINDOW_BIT
)
1195 dri2_ctx
->base
.WindowRenderBuffer
= EGL_BACK_BUFFER
;
1200 if (dri2_dpy
->image_driver
) {
1202 unsigned num_attribs
= 8;
1203 uint32_t ctx_attribs
[8];
1205 if (!dri2_fill_context_attribs(dri2_ctx
, dri2_dpy
, ctx_attribs
,
1209 dri2_ctx
->dri_context
=
1210 dri2_dpy
->image_driver
->createContextAttribs(dri2_dpy
->dri_screen
,
1218 dri2_create_context_attribs_error(error
);
1219 } else if (dri2_dpy
->dri2
) {
1220 if (dri2_dpy
->dri2
->base
.version
>= 3) {
1222 unsigned num_attribs
= 8;
1223 uint32_t ctx_attribs
[8];
1225 if (!dri2_fill_context_attribs(dri2_ctx
, dri2_dpy
, ctx_attribs
,
1229 dri2_ctx
->dri_context
=
1230 dri2_dpy
->dri2
->createContextAttribs(dri2_dpy
->dri_screen
,
1238 dri2_create_context_attribs_error(error
);
1240 dri2_ctx
->dri_context
=
1241 dri2_dpy
->dri2
->createNewContextForAPI(dri2_dpy
->dri_screen
,
1248 assert(dri2_dpy
->swrast
);
1249 if (dri2_dpy
->swrast
->base
.version
>= 3) {
1251 unsigned num_attribs
= 8;
1252 uint32_t ctx_attribs
[8];
1254 if (!dri2_fill_context_attribs(dri2_ctx
, dri2_dpy
, ctx_attribs
,
1258 dri2_ctx
->dri_context
=
1259 dri2_dpy
->swrast
->createContextAttribs(dri2_dpy
->dri_screen
,
1267 dri2_create_context_attribs_error(error
);
1269 dri2_ctx
->dri_context
=
1270 dri2_dpy
->swrast
->createNewContextForAPI(dri2_dpy
->dri_screen
,
1278 if (!dri2_ctx
->dri_context
)
1281 return &dri2_ctx
->base
;
1289 * Called via eglDestroyContext(), drv->API.DestroyContext().
1292 dri2_destroy_context(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLContext
*ctx
)
1294 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
1295 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1297 if (_eglPutContext(ctx
)) {
1298 dri2_dpy
->core
->destroyContext(dri2_ctx
->dri_context
);
1306 dri2_destroy_surface(_EGLDriver
*drv
, _EGLDisplay
*dpy
, _EGLSurface
*surf
)
1308 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
1310 if (!_eglPutSurface(surf
))
1313 return dri2_dpy
->vtbl
->destroy_surface(drv
, dpy
, surf
);
1317 * Called via eglMakeCurrent(), drv->API.MakeCurrent().
1320 dri2_make_current(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*dsurf
,
1321 _EGLSurface
*rsurf
, _EGLContext
*ctx
)
1323 struct dri2_egl_driver
*dri2_drv
= dri2_egl_driver(drv
);
1324 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1325 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
1326 _EGLContext
*old_ctx
;
1327 _EGLSurface
*old_dsurf
, *old_rsurf
;
1328 _EGLSurface
*tmp_dsurf
, *tmp_rsurf
;
1329 __DRIdrawable
*ddraw
, *rdraw
;
1334 return _eglError(EGL_NOT_INITIALIZED
, "eglMakeCurrent");
1336 /* make new bindings */
1337 if (!_eglBindContext(ctx
, dsurf
, rsurf
, &old_ctx
, &old_dsurf
, &old_rsurf
)) {
1338 /* _eglBindContext already sets the EGL error (in _eglCheckMakeCurrent) */
1342 /* flush before context switch */
1344 dri2_drv
->glFlush();
1346 ddraw
= (dsurf
) ? dri2_dpy
->vtbl
->get_dri_drawable(dsurf
) : NULL
;
1347 rdraw
= (rsurf
) ? dri2_dpy
->vtbl
->get_dri_drawable(rsurf
) : NULL
;
1348 cctx
= (dri2_ctx
) ? dri2_ctx
->dri_context
: NULL
;
1351 __DRIcontext
*old_cctx
= dri2_egl_context(old_ctx
)->dri_context
;
1352 dri2_dpy
->core
->unbindContext(old_cctx
);
1355 unbind
= (cctx
== NULL
&& ddraw
== NULL
&& rdraw
== NULL
);
1357 if (unbind
|| dri2_dpy
->core
->bindContext(cctx
, ddraw
, rdraw
)) {
1358 dri2_destroy_surface(drv
, disp
, old_dsurf
);
1359 dri2_destroy_surface(drv
, disp
, old_rsurf
);
1362 dri2_dpy
->ref_count
++;
1364 EGLDisplay old_disp
= _eglGetDisplayHandle(old_ctx
->Resource
.Display
);
1365 dri2_destroy_context(drv
, disp
, old_ctx
);
1366 dri2_display_release(old_disp
);
1371 /* undo the previous _eglBindContext */
1372 _eglBindContext(old_ctx
, old_dsurf
, old_rsurf
, &ctx
, &tmp_dsurf
, &tmp_rsurf
);
1373 assert(&dri2_ctx
->base
== ctx
&&
1374 tmp_dsurf
== dsurf
&&
1375 tmp_rsurf
== rsurf
);
1377 _eglPutSurface(dsurf
);
1378 _eglPutSurface(rsurf
);
1379 _eglPutContext(ctx
);
1381 _eglPutSurface(old_dsurf
);
1382 _eglPutSurface(old_rsurf
);
1383 _eglPutContext(old_ctx
);
1385 /* dri2_dpy->core->bindContext failed. We cannot tell for sure why, but
1386 * setting the error to EGL_BAD_MATCH is surely better than leaving it
1389 return _eglError(EGL_BAD_MATCH
, "eglMakeCurrent");
1394 dri2_surface_get_dri_drawable(_EGLSurface
*surf
)
1396 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
1398 return dri2_surf
->dri_drawable
;
1402 * Called from eglGetProcAddress() via drv->API.GetProcAddress().
1405 dri2_get_proc_address(_EGLDriver
*drv
, const char *procname
)
1407 struct dri2_egl_driver
*dri2_drv
= dri2_egl_driver(drv
);
1409 return dri2_drv
->get_proc_address(procname
);
1413 dri2_create_window_surface(_EGLDriver
*drv
, _EGLDisplay
*dpy
,
1414 _EGLConfig
*conf
, void *native_window
,
1415 const EGLint
*attrib_list
)
1417 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
1418 return dri2_dpy
->vtbl
->create_window_surface(drv
, dpy
, conf
, native_window
,
1423 dri2_create_pixmap_surface(_EGLDriver
*drv
, _EGLDisplay
*dpy
,
1424 _EGLConfig
*conf
, void *native_pixmap
,
1425 const EGLint
*attrib_list
)
1427 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
1428 return dri2_dpy
->vtbl
->create_pixmap_surface(drv
, dpy
, conf
, native_pixmap
,
1433 dri2_create_pbuffer_surface(_EGLDriver
*drv
, _EGLDisplay
*dpy
,
1434 _EGLConfig
*conf
, const EGLint
*attrib_list
)
1436 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
1437 return dri2_dpy
->vtbl
->create_pbuffer_surface(drv
, dpy
, conf
, attrib_list
);
1441 dri2_swap_interval(_EGLDriver
*drv
, _EGLDisplay
*dpy
, _EGLSurface
*surf
,
1444 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
1445 return dri2_dpy
->vtbl
->swap_interval(drv
, dpy
, surf
, interval
);
1449 * Asks the client API to flush any rendering to the drawable so that we can
1450 * do our swapbuffers.
1453 dri2_flush_drawable_for_swapbuffers(_EGLDisplay
*disp
, _EGLSurface
*draw
)
1455 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1456 __DRIdrawable
*dri_drawable
= dri2_dpy
->vtbl
->get_dri_drawable(draw
);
1458 if (dri2_dpy
->flush
) {
1459 if (dri2_dpy
->flush
->base
.version
>= 4) {
1460 /* We know there's a current context because:
1462 * "If surface is not bound to the calling thread’s current
1463 * context, an EGL_BAD_SURFACE error is generated."
1465 _EGLContext
*ctx
= _eglGetCurrentContext();
1466 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
1468 /* From the EGL 1.4 spec (page 52):
1470 * "The contents of ancillary buffers are always undefined
1471 * after calling eglSwapBuffers."
1473 dri2_dpy
->flush
->flush_with_flags(dri2_ctx
->dri_context
,
1475 __DRI2_FLUSH_DRAWABLE
|
1476 __DRI2_FLUSH_INVALIDATE_ANCILLARY
,
1477 __DRI2_THROTTLE_SWAPBUFFER
);
1479 dri2_dpy
->flush
->flush(dri_drawable
);
1485 dri2_swap_buffers(_EGLDriver
*drv
, _EGLDisplay
*dpy
, _EGLSurface
*surf
)
1487 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
1488 return dri2_dpy
->vtbl
->swap_buffers(drv
, dpy
, surf
);
1492 dri2_swap_buffers_with_damage(_EGLDriver
*drv
, _EGLDisplay
*dpy
,
1494 const EGLint
*rects
, EGLint n_rects
)
1496 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
1497 return dri2_dpy
->vtbl
->swap_buffers_with_damage(drv
, dpy
, surf
,
1502 dri2_swap_buffers_region(_EGLDriver
*drv
, _EGLDisplay
*dpy
, _EGLSurface
*surf
,
1503 EGLint numRects
, const EGLint
*rects
)
1505 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
1506 return dri2_dpy
->vtbl
->swap_buffers_region(drv
, dpy
, surf
, numRects
, rects
);
1510 dri2_set_damage_region(_EGLDriver
*drv
, _EGLDisplay
*dpy
, _EGLSurface
*surf
,
1511 EGLint
*rects
, EGLint n_rects
)
1513 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
1514 return dri2_dpy
->vtbl
->set_damage_region(drv
, dpy
, surf
, rects
, n_rects
);
1518 dri2_post_sub_buffer(_EGLDriver
*drv
, _EGLDisplay
*dpy
, _EGLSurface
*surf
,
1519 EGLint x
, EGLint y
, EGLint width
, EGLint height
)
1521 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
1522 return dri2_dpy
->vtbl
->post_sub_buffer(drv
, dpy
, surf
, x
, y
, width
, height
);
1526 dri2_copy_buffers(_EGLDriver
*drv
, _EGLDisplay
*dpy
, _EGLSurface
*surf
,
1527 void *native_pixmap_target
)
1529 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
1530 return dri2_dpy
->vtbl
->copy_buffers(drv
, dpy
, surf
, native_pixmap_target
);
1534 dri2_query_buffer_age(_EGLDriver
*drv
, _EGLDisplay
*dpy
, _EGLSurface
*surf
)
1536 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
1537 return dri2_dpy
->vtbl
->query_buffer_age(drv
, dpy
, surf
);
1541 dri2_wait_client(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLContext
*ctx
)
1543 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1544 _EGLSurface
*surf
= ctx
->DrawSurface
;
1545 __DRIdrawable
*dri_drawable
= dri2_dpy
->vtbl
->get_dri_drawable(surf
);
1549 /* FIXME: If EGL allows frontbuffer rendering for window surfaces,
1550 * we need to copy fake to real here.*/
1552 if (dri2_dpy
->flush
!= NULL
)
1553 dri2_dpy
->flush
->flush(dri_drawable
);
1559 dri2_wait_native(_EGLDriver
*drv
, _EGLDisplay
*disp
, EGLint engine
)
1564 if (engine
!= EGL_CORE_NATIVE_ENGINE
)
1565 return _eglError(EGL_BAD_PARAMETER
, "eglWaitNative");
1572 dri2_bind_tex_image(_EGLDriver
*drv
,
1573 _EGLDisplay
*disp
, _EGLSurface
*surf
, EGLint buffer
)
1575 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1576 struct dri2_egl_context
*dri2_ctx
;
1578 GLint format
, target
;
1579 __DRIdrawable
*dri_drawable
= dri2_dpy
->vtbl
->get_dri_drawable(surf
);
1581 ctx
= _eglGetCurrentContext();
1582 dri2_ctx
= dri2_egl_context(ctx
);
1584 if (!_eglBindTexImage(drv
, disp
, surf
, buffer
))
1587 switch (surf
->TextureFormat
) {
1588 case EGL_TEXTURE_RGB
:
1589 format
= __DRI_TEXTURE_FORMAT_RGB
;
1591 case EGL_TEXTURE_RGBA
:
1592 format
= __DRI_TEXTURE_FORMAT_RGBA
;
1595 assert(!"Unexpected texture format in dri2_bind_tex_image()");
1596 format
= __DRI_TEXTURE_FORMAT_RGBA
;
1599 switch (surf
->TextureTarget
) {
1600 case EGL_TEXTURE_2D
:
1601 target
= GL_TEXTURE_2D
;
1604 target
= GL_TEXTURE_2D
;
1605 assert(!"Unexpected texture target in dri2_bind_tex_image()");
1608 dri2_dpy
->tex_buffer
->setTexBuffer2(dri2_ctx
->dri_context
,
1616 dri2_release_tex_image(_EGLDriver
*drv
,
1617 _EGLDisplay
*disp
, _EGLSurface
*surf
, EGLint buffer
)
1619 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1620 struct dri2_egl_context
*dri2_ctx
;
1623 __DRIdrawable
*dri_drawable
= dri2_dpy
->vtbl
->get_dri_drawable(surf
);
1625 ctx
= _eglGetCurrentContext();
1626 dri2_ctx
= dri2_egl_context(ctx
);
1628 if (!_eglReleaseTexImage(drv
, disp
, surf
, buffer
))
1631 switch (surf
->TextureTarget
) {
1632 case EGL_TEXTURE_2D
:
1633 target
= GL_TEXTURE_2D
;
1639 if (dri2_dpy
->tex_buffer
->base
.version
>= 3 &&
1640 dri2_dpy
->tex_buffer
->releaseTexBuffer
!= NULL
) {
1641 dri2_dpy
->tex_buffer
->releaseTexBuffer(dri2_ctx
->dri_context
,
1642 target
, dri_drawable
);
1649 dri2_create_image(_EGLDriver
*drv
, _EGLDisplay
*dpy
, _EGLContext
*ctx
,
1650 EGLenum target
, EGLClientBuffer buffer
,
1651 const EGLint
*attr_list
)
1653 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
1654 return dri2_dpy
->vtbl
->create_image(drv
, dpy
, ctx
, target
, buffer
,
1659 dri2_create_image_from_dri(_EGLDisplay
*disp
, __DRIimage
*dri_image
)
1661 struct dri2_egl_image
*dri2_img
;
1663 if (dri_image
== NULL
) {
1664 _eglError(EGL_BAD_ALLOC
, "dri2_create_image");
1668 dri2_img
= malloc(sizeof *dri2_img
);
1670 _eglError(EGL_BAD_ALLOC
, "dri2_create_image");
1674 if (!_eglInitImage(&dri2_img
->base
, disp
)) {
1679 dri2_img
->dri_image
= dri_image
;
1681 return &dri2_img
->base
;
1685 dri2_create_image_khr_renderbuffer(_EGLDisplay
*disp
, _EGLContext
*ctx
,
1686 EGLClientBuffer buffer
,
1687 const EGLint
*attr_list
)
1689 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1690 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
1691 GLuint renderbuffer
= (GLuint
) (uintptr_t) buffer
;
1692 __DRIimage
*dri_image
;
1694 if (renderbuffer
== 0) {
1695 _eglError(EGL_BAD_PARAMETER
, "dri2_create_image_khr");
1696 return EGL_NO_IMAGE_KHR
;
1700 dri2_dpy
->image
->createImageFromRenderbuffer(dri2_ctx
->dri_context
,
1701 renderbuffer
, NULL
);
1703 return dri2_create_image_from_dri(disp
, dri_image
);
1706 #ifdef HAVE_WAYLAND_PLATFORM
1708 /* This structure describes how a wl_buffer maps to one or more
1709 * __DRIimages. A wl_drm_buffer stores the wl_drm format code and the
1710 * offsets and strides of the planes in the buffer. This table maps a
1711 * wl_drm format code to a description of the planes in the buffer
1712 * that lets us create a __DRIimage for each of the planes. */
1714 static const struct wl_drm_components_descriptor
{
1715 uint32_t dri_components
;
1718 } wl_drm_components
[] = {
1719 { __DRI_IMAGE_COMPONENTS_RGB
, EGL_TEXTURE_RGB
, 1 },
1720 { __DRI_IMAGE_COMPONENTS_RGBA
, EGL_TEXTURE_RGBA
, 1 },
1721 { __DRI_IMAGE_COMPONENTS_Y_U_V
, EGL_TEXTURE_Y_U_V_WL
, 3 },
1722 { __DRI_IMAGE_COMPONENTS_Y_UV
, EGL_TEXTURE_Y_UV_WL
, 2 },
1723 { __DRI_IMAGE_COMPONENTS_Y_XUXV
, EGL_TEXTURE_Y_XUXV_WL
, 2 },
1727 dri2_create_image_wayland_wl_buffer(_EGLDisplay
*disp
, _EGLContext
*ctx
,
1728 EGLClientBuffer _buffer
,
1729 const EGLint
*attr_list
)
1731 struct wl_drm_buffer
*buffer
;
1732 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1733 const struct wl_drm_components_descriptor
*f
;
1734 __DRIimage
*dri_image
;
1735 _EGLImageAttribs attrs
;
1739 buffer
= wayland_drm_buffer_get(dri2_dpy
->wl_server_drm
,
1740 (struct wl_resource
*) _buffer
);
1744 err
= _eglParseImageAttribList(&attrs
, disp
, attr_list
);
1745 plane
= attrs
.PlaneWL
;
1746 if (err
!= EGL_SUCCESS
) {
1747 _eglError(EGL_BAD_PARAMETER
, "dri2_create_image_wayland_wl_buffer");
1751 f
= buffer
->driver_format
;
1752 if (plane
< 0 || plane
>= f
->nplanes
) {
1753 _eglError(EGL_BAD_PARAMETER
,
1754 "dri2_create_image_wayland_wl_buffer (plane out of bounds)");
1758 dri_image
= dri2_dpy
->image
->fromPlanar(buffer
->driver_buffer
, plane
, NULL
);
1760 if (dri_image
== NULL
) {
1761 _eglError(EGL_BAD_PARAMETER
, "dri2_create_image_wayland_wl_buffer");
1765 return dri2_create_image_from_dri(disp
, dri_image
);
1770 dri2_get_sync_values_chromium(_EGLDisplay
*dpy
, _EGLSurface
*surf
,
1771 EGLuint64KHR
*ust
, EGLuint64KHR
*msc
,
1774 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
1775 return dri2_dpy
->vtbl
->get_sync_values(dpy
, surf
, ust
, msc
, sbc
);
1779 * Set the error code after a call to
1780 * dri2_egl_image::dri_image::createImageFromTexture.
1783 dri2_create_image_khr_texture_error(int dri_error
)
1787 switch (dri_error
) {
1788 case __DRI_IMAGE_ERROR_SUCCESS
:
1791 case __DRI_IMAGE_ERROR_BAD_ALLOC
:
1792 egl_error
= EGL_BAD_ALLOC
;
1795 case __DRI_IMAGE_ERROR_BAD_MATCH
:
1796 egl_error
= EGL_BAD_MATCH
;
1799 case __DRI_IMAGE_ERROR_BAD_PARAMETER
:
1800 egl_error
= EGL_BAD_PARAMETER
;
1803 case __DRI_IMAGE_ERROR_BAD_ACCESS
:
1804 egl_error
= EGL_BAD_ACCESS
;
1809 egl_error
= EGL_BAD_MATCH
;
1813 _eglError(egl_error
, "dri2_create_image_khr_texture");
1817 dri2_create_image_khr_texture(_EGLDisplay
*disp
, _EGLContext
*ctx
,
1819 EGLClientBuffer buffer
,
1820 const EGLint
*attr_list
)
1822 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1823 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
1824 struct dri2_egl_image
*dri2_img
;
1825 GLuint texture
= (GLuint
) (uintptr_t) buffer
;
1826 _EGLImageAttribs attrs
;
1832 _eglError(EGL_BAD_PARAMETER
, "dri2_create_image_khr");
1833 return EGL_NO_IMAGE_KHR
;
1836 if (_eglParseImageAttribList(&attrs
, disp
, attr_list
) != EGL_SUCCESS
)
1837 return EGL_NO_IMAGE_KHR
;
1840 case EGL_GL_TEXTURE_2D_KHR
:
1842 gl_target
= GL_TEXTURE_2D
;
1844 case EGL_GL_TEXTURE_3D_KHR
:
1845 if (disp
->Extensions
.KHR_gl_texture_3D_image
) {
1846 depth
= attrs
.GLTextureZOffset
;
1847 gl_target
= GL_TEXTURE_3D
;
1851 _eglError(EGL_BAD_PARAMETER
, "dri2_create_image_khr");
1852 return EGL_NO_IMAGE_KHR
;
1854 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR
:
1855 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR
:
1856 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR
:
1857 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR
:
1858 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR
:
1859 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR
:
1860 depth
= target
- EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR
;
1861 gl_target
= GL_TEXTURE_CUBE_MAP
;
1864 _eglError(EGL_BAD_PARAMETER
, "dri2_create_image_khr");
1865 return EGL_NO_IMAGE_KHR
;
1868 dri2_img
= malloc(sizeof *dri2_img
);
1870 _eglError(EGL_BAD_ALLOC
, "dri2_create_image_khr");
1871 return EGL_NO_IMAGE_KHR
;
1874 if (!_eglInitImage(&dri2_img
->base
, disp
)) {
1875 _eglError(EGL_BAD_ALLOC
, "dri2_create_image_khr");
1877 return EGL_NO_IMAGE_KHR
;
1880 dri2_img
->dri_image
=
1881 dri2_dpy
->image
->createImageFromTexture(dri2_ctx
->dri_context
,
1885 attrs
.GLTextureLevel
,
1888 dri2_create_image_khr_texture_error(error
);
1890 if (!dri2_img
->dri_image
) {
1892 return EGL_NO_IMAGE_KHR
;
1894 return &dri2_img
->base
;
1898 dri2_query_surface(_EGLDriver
*drv
, _EGLDisplay
*dpy
, _EGLSurface
*surf
,
1899 EGLint attribute
, EGLint
*value
)
1901 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
1902 if (!dri2_dpy
->vtbl
->query_surface
)
1903 return _eglQuerySurface(drv
, dpy
, surf
, attribute
, value
);
1904 return dri2_dpy
->vtbl
->query_surface(drv
, dpy
, surf
, attribute
, value
);
1907 static struct wl_buffer
*
1908 dri2_create_wayland_buffer_from_image(_EGLDriver
*drv
, _EGLDisplay
*dpy
,
1911 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
1912 return dri2_dpy
->vtbl
->create_wayland_buffer_from_image(drv
, dpy
, img
);
1917 dri2_create_image_mesa_drm_buffer(_EGLDisplay
*disp
, _EGLContext
*ctx
,
1918 EGLClientBuffer buffer
, const EGLint
*attr_list
)
1920 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1921 EGLint format
, name
, pitch
, err
;
1922 _EGLImageAttribs attrs
;
1923 __DRIimage
*dri_image
;
1925 name
= (EGLint
) (uintptr_t) buffer
;
1927 err
= _eglParseImageAttribList(&attrs
, disp
, attr_list
);
1928 if (err
!= EGL_SUCCESS
)
1931 if (attrs
.Width
<= 0 || attrs
.Height
<= 0 ||
1932 attrs
.DRMBufferStrideMESA
<= 0) {
1933 _eglError(EGL_BAD_PARAMETER
,
1934 "bad width, height or stride");
1938 switch (attrs
.DRMBufferFormatMESA
) {
1939 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA
:
1940 format
= __DRI_IMAGE_FORMAT_ARGB8888
;
1941 pitch
= attrs
.DRMBufferStrideMESA
;
1944 _eglError(EGL_BAD_PARAMETER
,
1945 "dri2_create_image_khr: unsupported pixmap depth");
1950 dri2_dpy
->image
->createImageFromName(dri2_dpy
->dri_screen
,
1958 return dri2_create_image_from_dri(disp
, dri_image
);
1962 dri2_check_dma_buf_attribs(const _EGLImageAttribs
*attrs
)
1969 * "Required attributes and their values are as follows:
1971 * * EGL_WIDTH & EGL_HEIGHT: The logical dimensions of the buffer in pixels
1973 * * EGL_LINUX_DRM_FOURCC_EXT: The pixel format of the buffer, as specified
1974 * by drm_fourcc.h and used as the pixel_format parameter of the
1975 * drm_mode_fb_cmd2 ioctl."
1979 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
1980 * incomplete, EGL_BAD_PARAMETER is generated."
1982 if (attrs
->Width
<= 0 || attrs
->Height
<= 0 ||
1983 !attrs
->DMABufFourCC
.IsPresent
) {
1984 _eglError(EGL_BAD_PARAMETER
, "attribute(s) missing");
1991 * "If <target> is EGL_LINUX_DMA_BUF_EXT and one or more of the values
1992 * specified for a plane's pitch or offset isn't supported by EGL,
1993 * EGL_BAD_ACCESS is generated."
1995 for (i
= 0; i
< ARRAY_SIZE(attrs
->DMABufPlanePitches
); ++i
) {
1996 if (attrs
->DMABufPlanePitches
[i
].IsPresent
&&
1997 attrs
->DMABufPlanePitches
[i
].Value
<= 0) {
1998 _eglError(EGL_BAD_ACCESS
, "invalid pitch");
2004 * If <target> is EGL_LINUX_DMA_BUF_EXT, both or neither of the following
2005 * attribute values may be given.
2007 * This is referring to EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT and
2008 * EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT, and the same for other planes.
2010 for (i
= 0; i
< DMA_BUF_MAX_PLANES
; ++i
) {
2011 if (attrs
->DMABufPlaneModifiersLo
[i
].IsPresent
!=
2012 attrs
->DMABufPlaneModifiersHi
[i
].IsPresent
) {
2013 _eglError(EGL_BAD_PARAMETER
, "modifier attribute lo or hi missing");
2018 /* Although the EGL_EXT_image_dma_buf_import_modifiers spec doesn't
2019 * mandate it, we only accept the same modifier across all planes. */
2020 for (i
= 1; i
< DMA_BUF_MAX_PLANES
; ++i
) {
2021 if (attrs
->DMABufPlaneFds
[i
].IsPresent
) {
2022 if ((attrs
->DMABufPlaneModifiersLo
[0].IsPresent
!=
2023 attrs
->DMABufPlaneModifiersLo
[i
].IsPresent
) ||
2024 (attrs
->DMABufPlaneModifiersLo
[0].Value
!=
2025 attrs
->DMABufPlaneModifiersLo
[i
].Value
) ||
2026 (attrs
->DMABufPlaneModifiersHi
[0].Value
!=
2027 attrs
->DMABufPlaneModifiersHi
[i
].Value
)) {
2028 _eglError(EGL_BAD_PARAMETER
, "modifier attributes not equal");
2037 /* Returns the total number of file descriptors. Zero indicates an error. */
2039 dri2_check_dma_buf_format(const _EGLImageAttribs
*attrs
)
2041 unsigned i
, plane_n
;
2043 switch (attrs
->DMABufFourCC
.Value
) {
2045 case DRM_FORMAT_RG88
:
2046 case DRM_FORMAT_GR88
:
2047 case DRM_FORMAT_R16
:
2048 case DRM_FORMAT_GR1616
:
2049 case DRM_FORMAT_RGB332
:
2050 case DRM_FORMAT_BGR233
:
2051 case DRM_FORMAT_XRGB4444
:
2052 case DRM_FORMAT_XBGR4444
:
2053 case DRM_FORMAT_RGBX4444
:
2054 case DRM_FORMAT_BGRX4444
:
2055 case DRM_FORMAT_ARGB4444
:
2056 case DRM_FORMAT_ABGR4444
:
2057 case DRM_FORMAT_RGBA4444
:
2058 case DRM_FORMAT_BGRA4444
:
2059 case DRM_FORMAT_XRGB1555
:
2060 case DRM_FORMAT_XBGR1555
:
2061 case DRM_FORMAT_RGBX5551
:
2062 case DRM_FORMAT_BGRX5551
:
2063 case DRM_FORMAT_ARGB1555
:
2064 case DRM_FORMAT_ABGR1555
:
2065 case DRM_FORMAT_RGBA5551
:
2066 case DRM_FORMAT_BGRA5551
:
2067 case DRM_FORMAT_RGB565
:
2068 case DRM_FORMAT_BGR565
:
2069 case DRM_FORMAT_RGB888
:
2070 case DRM_FORMAT_BGR888
:
2071 case DRM_FORMAT_XRGB8888
:
2072 case DRM_FORMAT_XBGR8888
:
2073 case DRM_FORMAT_RGBX8888
:
2074 case DRM_FORMAT_BGRX8888
:
2075 case DRM_FORMAT_ARGB8888
:
2076 case DRM_FORMAT_ABGR8888
:
2077 case DRM_FORMAT_RGBA8888
:
2078 case DRM_FORMAT_BGRA8888
:
2079 case DRM_FORMAT_XRGB2101010
:
2080 case DRM_FORMAT_XBGR2101010
:
2081 case DRM_FORMAT_RGBX1010102
:
2082 case DRM_FORMAT_BGRX1010102
:
2083 case DRM_FORMAT_ARGB2101010
:
2084 case DRM_FORMAT_ABGR2101010
:
2085 case DRM_FORMAT_RGBA1010102
:
2086 case DRM_FORMAT_BGRA1010102
:
2087 case DRM_FORMAT_YUYV
:
2088 case DRM_FORMAT_YVYU
:
2089 case DRM_FORMAT_UYVY
:
2090 case DRM_FORMAT_VYUY
:
2093 case DRM_FORMAT_NV12
:
2094 case DRM_FORMAT_NV21
:
2095 case DRM_FORMAT_NV16
:
2096 case DRM_FORMAT_NV61
:
2099 case DRM_FORMAT_YUV410
:
2100 case DRM_FORMAT_YVU410
:
2101 case DRM_FORMAT_YUV411
:
2102 case DRM_FORMAT_YVU411
:
2103 case DRM_FORMAT_YUV420
:
2104 case DRM_FORMAT_YVU420
:
2105 case DRM_FORMAT_YUV422
:
2106 case DRM_FORMAT_YVU422
:
2107 case DRM_FORMAT_YUV444
:
2108 case DRM_FORMAT_YVU444
:
2112 _eglError(EGL_BAD_ATTRIBUTE
, "invalid format");
2119 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
2120 * incomplete, EGL_BAD_PARAMETER is generated."
2122 for (i
= 0; i
< plane_n
; ++i
) {
2123 if (!attrs
->DMABufPlaneFds
[i
].IsPresent
||
2124 !attrs
->DMABufPlaneOffsets
[i
].IsPresent
||
2125 !attrs
->DMABufPlanePitches
[i
].IsPresent
) {
2126 _eglError(EGL_BAD_PARAMETER
, "plane attribute(s) missing");
2132 * The spec also says:
2134 * "If <target> is EGL_LINUX_DMA_BUF_EXT, and the EGL_LINUX_DRM_FOURCC_EXT
2135 * attribute indicates a single-plane format, EGL_BAD_ATTRIBUTE is
2136 * generated if any of the EGL_DMA_BUF_PLANE1_* or EGL_DMA_BUF_PLANE2_*
2137 * or EGL_DMA_BUF_PLANE3_* attributes are specified."
2139 for (i
= plane_n
; i
< DMA_BUF_MAX_PLANES
; ++i
) {
2140 if (attrs
->DMABufPlaneFds
[i
].IsPresent
||
2141 attrs
->DMABufPlaneOffsets
[i
].IsPresent
||
2142 attrs
->DMABufPlanePitches
[i
].IsPresent
||
2143 attrs
->DMABufPlaneModifiersLo
[i
].IsPresent
||
2144 attrs
->DMABufPlaneModifiersHi
[i
].IsPresent
) {
2147 * The modifiers extension spec says:
2149 * "Modifiers may modify any attribute of a buffer import, including
2150 * but not limited to adding extra planes to a format which
2151 * otherwise does not have those planes. As an example, a modifier
2152 * may add a plane for an external compression buffer to a
2153 * single-plane format. The exact meaning and effect of any
2154 * modifier is canonically defined by drm_fourcc.h, not as part of
2157 if (attrs
->DMABufPlaneModifiersLo
[i
].IsPresent
&&
2158 attrs
->DMABufPlaneModifiersHi
[i
].IsPresent
)
2161 _eglError(EGL_BAD_ATTRIBUTE
, "too many plane attributes");
2170 dri2_query_dma_buf_formats(_EGLDriver
*drv
, _EGLDisplay
*disp
,
2171 EGLint max
, EGLint
*formats
, EGLint
*count
)
2173 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
2174 if (max
< 0 || (max
> 0 && formats
== NULL
)) {
2175 _eglError(EGL_BAD_PARAMETER
, "invalid value for max count of formats");
2179 if (dri2_dpy
->image
->base
.version
< 15 ||
2180 dri2_dpy
->image
->queryDmaBufFormats
== NULL
)
2183 if (!dri2_dpy
->image
->queryDmaBufFormats(dri2_dpy
->dri_screen
, max
,
2191 dri2_query_dma_buf_modifiers(_EGLDriver
*drv
, _EGLDisplay
*disp
, EGLint format
,
2192 EGLint max
, EGLuint64KHR
*modifiers
,
2193 EGLBoolean
*external_only
, EGLint
*count
)
2195 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
2198 _eglError(EGL_BAD_PARAMETER
, "invalid value for max count of formats");
2202 if (max
> 0 && modifiers
== NULL
) {
2203 _eglError(EGL_BAD_PARAMETER
, "invalid modifiers array");
2207 if (dri2_dpy
->image
->base
.version
< 15 ||
2208 dri2_dpy
->image
->queryDmaBufModifiers
== NULL
)
2211 if (dri2_dpy
->image
->queryDmaBufModifiers(dri2_dpy
->dri_screen
, format
,
2213 (unsigned int *) external_only
,
2215 _eglError(EGL_BAD_PARAMETER
, "invalid format");
2225 * "If eglCreateImageKHR is successful for a EGL_LINUX_DMA_BUF_EXT target, the
2226 * EGL will take a reference to the dma_buf(s) which it will release at any
2227 * time while the EGLDisplay is initialized. It is the responsibility of the
2228 * application to close the dma_buf file descriptors."
2230 * Therefore we must never close or otherwise modify the file descriptors.
2233 dri2_create_image_dma_buf(_EGLDisplay
*disp
, _EGLContext
*ctx
,
2234 EGLClientBuffer buffer
, const EGLint
*attr_list
)
2236 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
2239 _EGLImageAttribs attrs
;
2240 __DRIimage
*dri_image
;
2243 int fds
[DMA_BUF_MAX_PLANES
];
2244 int pitches
[DMA_BUF_MAX_PLANES
];
2245 int offsets
[DMA_BUF_MAX_PLANES
];
2247 bool has_modifier
= false;
2253 * ""* If <target> is EGL_LINUX_DMA_BUF_EXT and <buffer> is not NULL, the
2254 * error EGL_BAD_PARAMETER is generated."
2256 if (buffer
!= NULL
) {
2257 _eglError(EGL_BAD_PARAMETER
, "buffer not NULL");
2261 err
= _eglParseImageAttribList(&attrs
, disp
, attr_list
);
2262 if (err
!= EGL_SUCCESS
) {
2263 _eglError(err
, "bad attribute");
2267 if (!dri2_check_dma_buf_attribs(&attrs
))
2270 num_fds
= dri2_check_dma_buf_format(&attrs
);
2274 for (i
= 0; i
< num_fds
; ++i
) {
2275 fds
[i
] = attrs
.DMABufPlaneFds
[i
].Value
;
2276 pitches
[i
] = attrs
.DMABufPlanePitches
[i
].Value
;
2277 offsets
[i
] = attrs
.DMABufPlaneOffsets
[i
].Value
;
2280 /* dri2_check_dma_buf_attribs ensures that the modifier, if available,
2281 * will be present in attrs.DMABufPlaneModifiersLo[0] and
2282 * attrs.DMABufPlaneModifiersHi[0] */
2283 if (attrs
.DMABufPlaneModifiersLo
[0].IsPresent
) {
2284 modifier
= (uint64_t) attrs
.DMABufPlaneModifiersHi
[0].Value
<< 32;
2285 modifier
|= (uint64_t) (attrs
.DMABufPlaneModifiersLo
[0].Value
& 0xffffffff);
2286 has_modifier
= true;
2288 modifier
= DRM_FORMAT_MOD_INVALID
;
2292 if (dri2_dpy
->image
->base
.version
< 15 ||
2293 dri2_dpy
->image
->createImageFromDmaBufs2
== NULL
) {
2294 _eglError(EGL_BAD_MATCH
, "unsupported dma_buf format modifier");
2295 return EGL_NO_IMAGE_KHR
;
2298 dri2_dpy
->image
->createImageFromDmaBufs2(dri2_dpy
->dri_screen
,
2299 attrs
.Width
, attrs
.Height
, attrs
.DMABufFourCC
.Value
,
2300 modifier
, fds
, num_fds
, pitches
, offsets
,
2301 attrs
.DMABufYuvColorSpaceHint
.Value
,
2302 attrs
.DMABufSampleRangeHint
.Value
,
2303 attrs
.DMABufChromaHorizontalSiting
.Value
,
2304 attrs
.DMABufChromaVerticalSiting
.Value
,
2310 dri2_dpy
->image
->createImageFromDmaBufs(dri2_dpy
->dri_screen
,
2311 attrs
.Width
, attrs
.Height
, attrs
.DMABufFourCC
.Value
,
2312 fds
, num_fds
, pitches
, offsets
,
2313 attrs
.DMABufYuvColorSpaceHint
.Value
,
2314 attrs
.DMABufSampleRangeHint
.Value
,
2315 attrs
.DMABufChromaHorizontalSiting
.Value
,
2316 attrs
.DMABufChromaVerticalSiting
.Value
,
2320 dri2_create_image_khr_texture_error(error
);
2323 return EGL_NO_IMAGE_KHR
;
2325 res
= dri2_create_image_from_dri(disp
, dri_image
);
2330 dri2_create_drm_image_mesa(_EGLDriver
*drv
, _EGLDisplay
*disp
,
2331 const EGLint
*attr_list
)
2333 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
2334 struct dri2_egl_image
*dri2_img
;
2335 _EGLImageAttribs attrs
;
2336 unsigned int dri_use
, valid_mask
;
2338 EGLint err
= EGL_SUCCESS
;
2342 dri2_img
= malloc(sizeof *dri2_img
);
2344 _eglError(EGL_BAD_ALLOC
, "dri2_create_image_khr");
2345 return EGL_NO_IMAGE_KHR
;
2349 err
= EGL_BAD_PARAMETER
;
2353 if (!_eglInitImage(&dri2_img
->base
, disp
)) {
2354 err
= EGL_BAD_PARAMETER
;
2358 err
= _eglParseImageAttribList(&attrs
, disp
, attr_list
);
2359 if (err
!= EGL_SUCCESS
)
2362 if (attrs
.Width
<= 0 || attrs
.Height
<= 0) {
2363 _eglLog(_EGL_WARNING
, "bad width or height (%dx%d)",
2364 attrs
.Width
, attrs
.Height
);
2368 switch (attrs
.DRMBufferFormatMESA
) {
2369 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA
:
2370 format
= __DRI_IMAGE_FORMAT_ARGB8888
;
2373 _eglLog(_EGL_WARNING
, "bad image format value 0x%04x",
2374 attrs
.DRMBufferFormatMESA
);
2379 EGL_DRM_BUFFER_USE_SCANOUT_MESA
|
2380 EGL_DRM_BUFFER_USE_SHARE_MESA
|
2381 EGL_DRM_BUFFER_USE_CURSOR_MESA
;
2382 if (attrs
.DRMBufferUseMESA
& ~valid_mask
) {
2383 _eglLog(_EGL_WARNING
, "bad image use bit 0x%04x",
2384 attrs
.DRMBufferUseMESA
& ~valid_mask
);
2389 if (attrs
.DRMBufferUseMESA
& EGL_DRM_BUFFER_USE_SHARE_MESA
)
2390 dri_use
|= __DRI_IMAGE_USE_SHARE
;
2391 if (attrs
.DRMBufferUseMESA
& EGL_DRM_BUFFER_USE_SCANOUT_MESA
)
2392 dri_use
|= __DRI_IMAGE_USE_SCANOUT
;
2393 if (attrs
.DRMBufferUseMESA
& EGL_DRM_BUFFER_USE_CURSOR_MESA
)
2394 dri_use
|= __DRI_IMAGE_USE_CURSOR
;
2396 dri2_img
->dri_image
=
2397 dri2_dpy
->image
->createImage(dri2_dpy
->dri_screen
,
2398 attrs
.Width
, attrs
.Height
,
2399 format
, dri_use
, dri2_img
);
2400 if (dri2_img
->dri_image
== NULL
) {
2401 err
= EGL_BAD_ALLOC
;
2405 return &dri2_img
->base
;
2409 _eglError(err
, "dri2_create_drm_image_mesa");
2411 return EGL_NO_IMAGE_KHR
;
2415 dri2_export_drm_image_mesa(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLImage
*img
,
2416 EGLint
*name
, EGLint
*handle
, EGLint
*stride
)
2418 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
2419 struct dri2_egl_image
*dri2_img
= dri2_egl_image(img
);
2423 if (name
&& !dri2_dpy
->image
->queryImage(dri2_img
->dri_image
,
2424 __DRI_IMAGE_ATTRIB_NAME
, name
)) {
2425 _eglError(EGL_BAD_ALLOC
, "dri2_export_drm_image_mesa");
2430 dri2_dpy
->image
->queryImage(dri2_img
->dri_image
,
2431 __DRI_IMAGE_ATTRIB_HANDLE
, handle
);
2434 dri2_dpy
->image
->queryImage(dri2_img
->dri_image
,
2435 __DRI_IMAGE_ATTRIB_STRIDE
, stride
);
2441 dri2_export_dma_buf_image_query_mesa(_EGLDriver
*drv
, _EGLDisplay
*disp
,
2443 EGLint
*fourcc
, EGLint
*nplanes
,
2444 EGLuint64KHR
*modifiers
)
2446 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
2447 struct dri2_egl_image
*dri2_img
= dri2_egl_image(img
);
2453 dri2_dpy
->image
->queryImage(dri2_img
->dri_image
,
2454 __DRI_IMAGE_ATTRIB_NUM_PLANES
, nplanes
);
2456 dri2_dpy
->image
->queryImage(dri2_img
->dri_image
,
2457 __DRI_IMAGE_ATTRIB_FOURCC
, fourcc
);
2466 dri2_export_dma_buf_image_mesa(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLImage
*img
,
2467 int *fds
, EGLint
*strides
, EGLint
*offsets
)
2469 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
2470 struct dri2_egl_image
*dri2_img
= dri2_egl_image(img
);
2474 /* rework later to provide multiple fds/strides/offsets */
2476 dri2_dpy
->image
->queryImage(dri2_img
->dri_image
,
2477 __DRI_IMAGE_ATTRIB_FD
, fds
);
2480 dri2_dpy
->image
->queryImage(dri2_img
->dri_image
,
2481 __DRI_IMAGE_ATTRIB_STRIDE
, strides
);
2485 bool ret
= dri2_dpy
->image
->queryImage(dri2_img
->dri_image
,
2486 __DRI_IMAGE_ATTRIB_OFFSET
, &img_offset
);
2488 offsets
[0] = img_offset
;
2499 dri2_create_image_khr(_EGLDriver
*drv
, _EGLDisplay
*disp
,
2500 _EGLContext
*ctx
, EGLenum target
,
2501 EGLClientBuffer buffer
, const EGLint
*attr_list
)
2506 case EGL_GL_TEXTURE_2D_KHR
:
2507 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR
:
2508 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR
:
2509 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR
:
2510 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR
:
2511 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR
:
2512 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR
:
2513 return dri2_create_image_khr_texture(disp
, ctx
, target
, buffer
, attr_list
);
2514 case EGL_GL_TEXTURE_3D_KHR
:
2515 if (disp
->Extensions
.KHR_gl_texture_3D_image
) {
2516 return dri2_create_image_khr_texture(disp
, ctx
, target
, buffer
, attr_list
);
2519 _eglError(EGL_BAD_PARAMETER
, "dri2_create_image_khr");
2520 return EGL_NO_IMAGE_KHR
;
2522 case EGL_GL_RENDERBUFFER_KHR
:
2523 return dri2_create_image_khr_renderbuffer(disp
, ctx
, buffer
, attr_list
);
2525 case EGL_DRM_BUFFER_MESA
:
2526 return dri2_create_image_mesa_drm_buffer(disp
, ctx
, buffer
, attr_list
);
2527 case EGL_LINUX_DMA_BUF_EXT
:
2528 return dri2_create_image_dma_buf(disp
, ctx
, buffer
, attr_list
);
2530 #ifdef HAVE_WAYLAND_PLATFORM
2531 case EGL_WAYLAND_BUFFER_WL
:
2532 return dri2_create_image_wayland_wl_buffer(disp
, ctx
, buffer
, attr_list
);
2535 _eglError(EGL_BAD_PARAMETER
, "dri2_create_image_khr");
2536 return EGL_NO_IMAGE_KHR
;
2541 dri2_destroy_image_khr(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLImage
*image
)
2543 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
2544 struct dri2_egl_image
*dri2_img
= dri2_egl_image(image
);
2548 dri2_dpy
->image
->destroyImage(dri2_img
->dri_image
);
2554 #ifdef HAVE_WAYLAND_PLATFORM
2557 dri2_wl_reference_buffer(void *user_data
, uint32_t name
, int fd
,
2558 struct wl_drm_buffer
*buffer
)
2560 _EGLDisplay
*disp
= user_data
;
2561 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
2563 int i
, dri_components
= 0;
2566 img
= dri2_dpy
->image
->createImageFromNames(dri2_dpy
->dri_screen
,
2575 img
= dri2_dpy
->image
->createImageFromFds(dri2_dpy
->dri_screen
,
2587 dri2_dpy
->image
->queryImage(img
, __DRI_IMAGE_ATTRIB_COMPONENTS
, &dri_components
);
2589 buffer
->driver_format
= NULL
;
2590 for (i
= 0; i
< ARRAY_SIZE(wl_drm_components
); i
++)
2591 if (wl_drm_components
[i
].dri_components
== dri_components
)
2592 buffer
->driver_format
= &wl_drm_components
[i
];
2594 if (buffer
->driver_format
== NULL
)
2595 dri2_dpy
->image
->destroyImage(img
);
2597 buffer
->driver_buffer
= img
;
2601 dri2_wl_release_buffer(void *user_data
, struct wl_drm_buffer
*buffer
)
2603 _EGLDisplay
*disp
= user_data
;
2604 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
2606 dri2_dpy
->image
->destroyImage(buffer
->driver_buffer
);
2609 static struct wayland_drm_callbacks wl_drm_callbacks
= {
2610 .authenticate
= NULL
,
2611 .reference_buffer
= dri2_wl_reference_buffer
,
2612 .release_buffer
= dri2_wl_release_buffer
2616 dri2_bind_wayland_display_wl(_EGLDriver
*drv
, _EGLDisplay
*disp
,
2617 struct wl_display
*wl_dpy
)
2619 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
2625 if (dri2_dpy
->wl_server_drm
)
2628 wl_drm_callbacks
.authenticate
=
2629 (int(*)(void *, uint32_t)) dri2_dpy
->vtbl
->authenticate
;
2631 if (drmGetCap(dri2_dpy
->fd
, DRM_CAP_PRIME
, &cap
) == 0 &&
2632 cap
== (DRM_PRIME_CAP_IMPORT
| DRM_PRIME_CAP_EXPORT
) &&
2633 dri2_dpy
->image
->base
.version
>= 7 &&
2634 dri2_dpy
->image
->createImageFromFds
!= NULL
)
2635 flags
|= WAYLAND_DRM_PRIME
;
2637 dri2_dpy
->wl_server_drm
=
2638 wayland_drm_init(wl_dpy
, dri2_dpy
->device_name
,
2639 &wl_drm_callbacks
, disp
, flags
);
2641 if (!dri2_dpy
->wl_server_drm
)
2644 #ifdef HAVE_DRM_PLATFORM
2645 /* We have to share the wl_drm instance with gbm, so gbm can convert
2646 * wl_buffers to gbm bos. */
2647 if (dri2_dpy
->gbm_dri
)
2648 dri2_dpy
->gbm_dri
->wl_drm
= dri2_dpy
->wl_server_drm
;
2655 dri2_unbind_wayland_display_wl(_EGLDriver
*drv
, _EGLDisplay
*disp
,
2656 struct wl_display
*wl_dpy
)
2658 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
2662 if (!dri2_dpy
->wl_server_drm
)
2665 wayland_drm_uninit(dri2_dpy
->wl_server_drm
);
2666 dri2_dpy
->wl_server_drm
= NULL
;
2672 dri2_query_wayland_buffer_wl(_EGLDriver
*drv
, _EGLDisplay
*disp
,
2673 struct wl_resource
*buffer_resource
,
2674 EGLint attribute
, EGLint
*value
)
2676 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
2677 struct wl_drm_buffer
*buffer
;
2678 const struct wl_drm_components_descriptor
*format
;
2680 buffer
= wayland_drm_buffer_get(dri2_dpy
->wl_server_drm
, buffer_resource
);
2684 format
= buffer
->driver_format
;
2685 switch (attribute
) {
2686 case EGL_TEXTURE_FORMAT
:
2687 *value
= format
->components
;
2690 *value
= buffer
->width
;
2693 *value
= buffer
->height
;
2702 dri2_egl_ref_sync(struct dri2_egl_sync
*sync
)
2704 p_atomic_inc(&sync
->refcount
);
2708 dri2_egl_unref_sync(struct dri2_egl_display
*dri2_dpy
,
2709 struct dri2_egl_sync
*dri2_sync
)
2711 if (p_atomic_dec_zero(&dri2_sync
->refcount
)) {
2712 switch (dri2_sync
->base
.Type
) {
2713 case EGL_SYNC_REUSABLE_KHR
:
2714 cnd_destroy(&dri2_sync
->cond
);
2716 case EGL_SYNC_NATIVE_FENCE_ANDROID
:
2717 if (dri2_sync
->base
.SyncFd
!= EGL_NO_NATIVE_FENCE_FD_ANDROID
)
2718 close(dri2_sync
->base
.SyncFd
);
2724 if (dri2_sync
->fence
)
2725 dri2_dpy
->fence
->destroy_fence(dri2_dpy
->dri_screen
, dri2_sync
->fence
);
2732 dri2_create_sync(_EGLDriver
*drv
, _EGLDisplay
*dpy
,
2733 EGLenum type
, const EGLAttrib
*attrib_list
)
2735 _EGLContext
*ctx
= _eglGetCurrentContext();
2736 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
2737 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
2738 struct dri2_egl_sync
*dri2_sync
;
2740 pthread_condattr_t attr
;
2742 dri2_sync
= calloc(1, sizeof(struct dri2_egl_sync
));
2744 _eglError(EGL_BAD_ALLOC
, "eglCreateSyncKHR");
2748 if (!_eglInitSync(&dri2_sync
->base
, dpy
, type
, attrib_list
)) {
2754 case EGL_SYNC_FENCE_KHR
:
2755 dri2_sync
->fence
= dri2_dpy
->fence
->create_fence(dri2_ctx
->dri_context
);
2756 if (!dri2_sync
->fence
) {
2757 /* Why did it fail? DRI doesn't return an error code, so we emit
2758 * a generic EGL error that doesn't communicate user error.
2760 _eglError(EGL_BAD_ALLOC
, "eglCreateSyncKHR");
2766 case EGL_SYNC_CL_EVENT_KHR
:
2767 dri2_sync
->fence
= dri2_dpy
->fence
->get_fence_from_cl_event(
2768 dri2_dpy
->dri_screen
,
2769 dri2_sync
->base
.CLEvent
);
2770 /* this can only happen if the cl_event passed in is invalid. */
2771 if (!dri2_sync
->fence
) {
2772 _eglError(EGL_BAD_ATTRIBUTE
, "eglCreateSyncKHR");
2777 /* the initial status must be "signaled" if the cl_event is signaled */
2778 if (dri2_dpy
->fence
->client_wait_sync(dri2_ctx
->dri_context
,
2779 dri2_sync
->fence
, 0, 0))
2780 dri2_sync
->base
.SyncStatus
= EGL_SIGNALED_KHR
;
2783 case EGL_SYNC_REUSABLE_KHR
:
2784 /* intialize attr */
2785 ret
= pthread_condattr_init(&attr
);
2788 _eglError(EGL_BAD_ACCESS
, "eglCreateSyncKHR");
2793 /* change clock attribute to CLOCK_MONOTONIC */
2794 ret
= pthread_condattr_setclock(&attr
, CLOCK_MONOTONIC
);
2797 _eglError(EGL_BAD_ACCESS
, "eglCreateSyncKHR");
2802 ret
= pthread_cond_init(&dri2_sync
->cond
, &attr
);
2805 _eglError(EGL_BAD_ACCESS
, "eglCreateSyncKHR");
2810 /* initial status of reusable sync must be "unsignaled" */
2811 dri2_sync
->base
.SyncStatus
= EGL_UNSIGNALED_KHR
;
2814 case EGL_SYNC_NATIVE_FENCE_ANDROID
:
2815 if (dri2_dpy
->fence
->create_fence_fd
) {
2816 dri2_sync
->fence
= dri2_dpy
->fence
->create_fence_fd(
2817 dri2_ctx
->dri_context
,
2818 dri2_sync
->base
.SyncFd
);
2820 if (!dri2_sync
->fence
) {
2821 _eglError(EGL_BAD_ATTRIBUTE
, "eglCreateSyncKHR");
2828 p_atomic_set(&dri2_sync
->refcount
, 1);
2829 return &dri2_sync
->base
;
2833 dri2_destroy_sync(_EGLDriver
*drv
, _EGLDisplay
*dpy
, _EGLSync
*sync
)
2835 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
2836 struct dri2_egl_sync
*dri2_sync
= dri2_egl_sync(sync
);
2837 EGLint ret
= EGL_TRUE
;
2840 /* if type of sync is EGL_SYNC_REUSABLE_KHR and it is not signaled yet,
2841 * then unlock all threads possibly blocked by the reusable sync before
2844 if (dri2_sync
->base
.Type
== EGL_SYNC_REUSABLE_KHR
&&
2845 dri2_sync
->base
.SyncStatus
== EGL_UNSIGNALED_KHR
) {
2846 dri2_sync
->base
.SyncStatus
= EGL_SIGNALED_KHR
;
2847 /* unblock all threads currently blocked by sync */
2848 err
= cnd_broadcast(&dri2_sync
->cond
);
2851 _eglError(EGL_BAD_ACCESS
, "eglDestroySyncKHR");
2856 dri2_egl_unref_sync(dri2_dpy
, dri2_sync
);
2862 dri2_dup_native_fence_fd(_EGLDriver
*drv
, _EGLDisplay
*dpy
, _EGLSync
*sync
)
2864 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
2865 struct dri2_egl_sync
*dri2_sync
= dri2_egl_sync(sync
);
2867 assert(sync
->Type
== EGL_SYNC_NATIVE_FENCE_ANDROID
);
2869 if (sync
->SyncFd
== EGL_NO_NATIVE_FENCE_FD_ANDROID
) {
2870 /* try to retrieve the actual native fence fd.. if rendering is
2871 * not flushed this will just return -1, aka NO_NATIVE_FENCE_FD:
2873 sync
->SyncFd
= dri2_dpy
->fence
->get_fence_fd(dri2_dpy
->dri_screen
,
2877 if (sync
->SyncFd
== EGL_NO_NATIVE_FENCE_FD_ANDROID
) {
2878 /* if native fence fd still not created, return an error: */
2879 _eglError(EGL_BAD_PARAMETER
, "eglDupNativeFenceFDANDROID");
2880 return EGL_NO_NATIVE_FENCE_FD_ANDROID
;
2883 return dup(sync
->SyncFd
);
2887 dri2_client_wait_sync(_EGLDriver
*drv
, _EGLDisplay
*dpy
, _EGLSync
*sync
,
2888 EGLint flags
, EGLTime timeout
)
2890 _EGLContext
*ctx
= _eglGetCurrentContext();
2891 struct dri2_egl_driver
*dri2_drv
= dri2_egl_driver(drv
);
2892 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
2893 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
2894 struct dri2_egl_sync
*dri2_sync
= dri2_egl_sync(sync
);
2895 unsigned wait_flags
= 0;
2897 /* timespecs for cnd_timedwait */
2898 struct timespec current
;
2901 EGLint ret
= EGL_CONDITION_SATISFIED_KHR
;
2903 /* The EGL_KHR_fence_sync spec states:
2905 * "If no context is current for the bound API,
2906 * the EGL_SYNC_FLUSH_COMMANDS_BIT_KHR bit is ignored.
2908 if (dri2_ctx
&& flags
& EGL_SYNC_FLUSH_COMMANDS_BIT_KHR
)
2909 wait_flags
|= __DRI2_FENCE_FLAG_FLUSH_COMMANDS
;
2911 /* the sync object should take a reference while waiting */
2912 dri2_egl_ref_sync(dri2_sync
);
2914 switch (sync
->Type
) {
2915 case EGL_SYNC_FENCE_KHR
:
2916 case EGL_SYNC_NATIVE_FENCE_ANDROID
:
2917 case EGL_SYNC_CL_EVENT_KHR
:
2918 if (dri2_dpy
->fence
->client_wait_sync(dri2_ctx
? dri2_ctx
->dri_context
: NULL
,
2919 dri2_sync
->fence
, wait_flags
,
2921 dri2_sync
->base
.SyncStatus
= EGL_SIGNALED_KHR
;
2923 ret
= EGL_TIMEOUT_EXPIRED_KHR
;
2926 case EGL_SYNC_REUSABLE_KHR
:
2927 if (dri2_ctx
&& dri2_sync
->base
.SyncStatus
== EGL_UNSIGNALED_KHR
&&
2928 (flags
& EGL_SYNC_FLUSH_COMMANDS_BIT_KHR
)) {
2929 /* flush context if EGL_SYNC_FLUSH_COMMANDS_BIT_KHR is set */
2930 dri2_drv
->glFlush();
2933 /* if timeout is EGL_FOREVER_KHR, it should wait without any timeout.*/
2934 if (timeout
== EGL_FOREVER_KHR
) {
2935 mtx_lock(&dri2_sync
->mutex
);
2936 cnd_wait(&dri2_sync
->cond
, &dri2_sync
->mutex
);
2937 mtx_unlock(&dri2_sync
->mutex
);
2939 /* if reusable sync has not been yet signaled */
2940 if (dri2_sync
->base
.SyncStatus
!= EGL_SIGNALED_KHR
) {
2941 clock_gettime(CLOCK_MONOTONIC
, ¤t
);
2943 /* calculating when to expire */
2944 expire
.nsec
= timeout
% 1000000000L;
2945 expire
.sec
= timeout
/ 1000000000L;
2947 expire
.nsec
+= current
.tv_nsec
;
2948 expire
.sec
+= current
.tv_sec
;
2950 /* expire.nsec now is a number between 0 and 1999999998 */
2951 if (expire
.nsec
> 999999999L) {
2953 expire
.nsec
-= 1000000000L;
2956 mtx_lock(&dri2_sync
->mutex
);
2957 ret
= cnd_timedwait(&dri2_sync
->cond
, &dri2_sync
->mutex
, &expire
);
2958 mtx_unlock(&dri2_sync
->mutex
);
2960 if (ret
== thrd_busy
) {
2961 if (dri2_sync
->base
.SyncStatus
== EGL_UNSIGNALED_KHR
) {
2962 ret
= EGL_TIMEOUT_EXPIRED_KHR
;
2964 _eglError(EGL_BAD_ACCESS
, "eglClientWaitSyncKHR");
2972 dri2_egl_unref_sync(dri2_dpy
, dri2_sync
);
2978 dri2_signal_sync(_EGLDriver
*drv
, _EGLDisplay
*dpy
, _EGLSync
*sync
,
2981 struct dri2_egl_sync
*dri2_sync
= dri2_egl_sync(sync
);
2984 if (sync
->Type
!= EGL_SYNC_REUSABLE_KHR
) {
2985 _eglError(EGL_BAD_MATCH
, "eglSignalSyncKHR");
2989 if (mode
!= EGL_SIGNALED_KHR
&& mode
!= EGL_UNSIGNALED_KHR
) {
2990 _eglError(EGL_BAD_ATTRIBUTE
, "eglSignalSyncKHR");
2994 dri2_sync
->base
.SyncStatus
= mode
;
2996 if (mode
== EGL_SIGNALED_KHR
) {
2997 ret
= cnd_broadcast(&dri2_sync
->cond
);
2999 /* fail to broadcast */
3001 _eglError(EGL_BAD_ACCESS
, "eglSignalSyncKHR");
3010 dri2_server_wait_sync(_EGLDriver
*drv
, _EGLDisplay
*dpy
, _EGLSync
*sync
)
3012 _EGLContext
*ctx
= _eglGetCurrentContext();
3013 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
3014 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
3015 struct dri2_egl_sync
*dri2_sync
= dri2_egl_sync(sync
);
3017 dri2_dpy
->fence
->server_wait_sync(dri2_ctx
->dri_context
,
3018 dri2_sync
->fence
, 0);
3023 dri2_interop_query_device_info(_EGLDisplay
*dpy
, _EGLContext
*ctx
,
3024 struct mesa_glinterop_device_info
*out
)
3026 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
3027 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
3029 if (!dri2_dpy
->interop
)
3030 return MESA_GLINTEROP_UNSUPPORTED
;
3032 return dri2_dpy
->interop
->query_device_info(dri2_ctx
->dri_context
, out
);
3036 dri2_interop_export_object(_EGLDisplay
*dpy
, _EGLContext
*ctx
,
3037 struct mesa_glinterop_export_in
*in
,
3038 struct mesa_glinterop_export_out
*out
)
3040 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
3041 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
3043 if (!dri2_dpy
->interop
)
3044 return MESA_GLINTEROP_UNSUPPORTED
;
3046 return dri2_dpy
->interop
->export_object(dri2_ctx
->dri_context
, in
, out
);
3050 dri2_unload(_EGLDriver
*drv
)
3052 struct dri2_egl_driver
*dri2_drv
= dri2_egl_driver(drv
);
3054 dlclose(dri2_drv
->handle
);
3059 dri2_load(_EGLDriver
*drv
)
3061 struct dri2_egl_driver
*dri2_drv
= dri2_egl_driver(drv
);
3062 #ifdef HAVE_ANDROID_PLATFORM
3063 const char *libname
= "libglapi.so";
3064 #elif defined(__APPLE__)
3065 const char *libname
= "libglapi.0.dylib";
3066 #elif defined(__CYGWIN__)
3067 const char *libname
= "cygglapi-0.dll";
3069 const char *libname
= "libglapi.so.0";
3073 /* RTLD_GLOBAL to make sure glapi symbols are visible to DRI drivers */
3074 handle
= dlopen(libname
, RTLD_LAZY
| RTLD_GLOBAL
);
3076 _eglLog(_EGL_WARNING
, "DRI2: failed to open glapi provider");
3080 dri2_drv
->get_proc_address
= (_EGLProc (*)(const char *))
3081 dlsym(handle
, "_glapi_get_proc_address");
3083 /* if glapi is not available, loading DRI drivers will fail */
3084 if (!dri2_drv
->get_proc_address
) {
3085 _eglLog(_EGL_WARNING
, "DRI2: failed to find _glapi_get_proc_address");
3089 dri2_drv
->glFlush
= (void (*)(void))
3090 dri2_drv
->get_proc_address("glFlush");
3092 /* if glFlush is not available things are horribly broken */
3093 if (!dri2_drv
->glFlush
) {
3094 _eglLog(_EGL_WARNING
, "DRI2: failed to find glFlush entry point");
3098 dri2_drv
->handle
= handle
;
3108 * This is the main entrypoint into the driver, called by libEGL.
3109 * Create a new _EGLDriver object and init its dispatch table.
3112 _eglBuiltInDriverDRI2(const char *args
)
3114 struct dri2_egl_driver
*dri2_drv
;
3118 dri2_drv
= calloc(1, sizeof *dri2_drv
);
3122 if (!dri2_load(&dri2_drv
->base
)) {
3127 _eglInitDriverFallbacks(&dri2_drv
->base
);
3128 dri2_drv
->base
.API
.Initialize
= dri2_initialize
;
3129 dri2_drv
->base
.API
.Terminate
= dri2_terminate
;
3130 dri2_drv
->base
.API
.CreateContext
= dri2_create_context
;
3131 dri2_drv
->base
.API
.DestroyContext
= dri2_destroy_context
;
3132 dri2_drv
->base
.API
.MakeCurrent
= dri2_make_current
;
3133 dri2_drv
->base
.API
.CreateWindowSurface
= dri2_create_window_surface
;
3134 dri2_drv
->base
.API
.CreatePixmapSurface
= dri2_create_pixmap_surface
;
3135 dri2_drv
->base
.API
.CreatePbufferSurface
= dri2_create_pbuffer_surface
;
3136 dri2_drv
->base
.API
.DestroySurface
= dri2_destroy_surface
;
3137 dri2_drv
->base
.API
.GetProcAddress
= dri2_get_proc_address
;
3138 dri2_drv
->base
.API
.WaitClient
= dri2_wait_client
;
3139 dri2_drv
->base
.API
.WaitNative
= dri2_wait_native
;
3140 dri2_drv
->base
.API
.BindTexImage
= dri2_bind_tex_image
;
3141 dri2_drv
->base
.API
.ReleaseTexImage
= dri2_release_tex_image
;
3142 dri2_drv
->base
.API
.SwapInterval
= dri2_swap_interval
;
3143 dri2_drv
->base
.API
.SwapBuffers
= dri2_swap_buffers
;
3144 dri2_drv
->base
.API
.SwapBuffersWithDamageEXT
= dri2_swap_buffers_with_damage
;
3145 dri2_drv
->base
.API
.SwapBuffersRegionNOK
= dri2_swap_buffers_region
;
3146 dri2_drv
->base
.API
.SetDamageRegion
= dri2_set_damage_region
;
3147 dri2_drv
->base
.API
.PostSubBufferNV
= dri2_post_sub_buffer
;
3148 dri2_drv
->base
.API
.CopyBuffers
= dri2_copy_buffers
,
3149 dri2_drv
->base
.API
.QueryBufferAge
= dri2_query_buffer_age
;
3150 dri2_drv
->base
.API
.CreateImageKHR
= dri2_create_image
;
3151 dri2_drv
->base
.API
.DestroyImageKHR
= dri2_destroy_image_khr
;
3152 dri2_drv
->base
.API
.CreateWaylandBufferFromImageWL
= dri2_create_wayland_buffer_from_image
;
3153 dri2_drv
->base
.API
.QuerySurface
= dri2_query_surface
;
3155 dri2_drv
->base
.API
.CreateDRMImageMESA
= dri2_create_drm_image_mesa
;
3156 dri2_drv
->base
.API
.ExportDRMImageMESA
= dri2_export_drm_image_mesa
;
3157 dri2_drv
->base
.API
.ExportDMABUFImageQueryMESA
= dri2_export_dma_buf_image_query_mesa
;
3158 dri2_drv
->base
.API
.ExportDMABUFImageMESA
= dri2_export_dma_buf_image_mesa
;
3159 dri2_drv
->base
.API
.QueryDmaBufFormatsEXT
= dri2_query_dma_buf_formats
;
3160 dri2_drv
->base
.API
.QueryDmaBufModifiersEXT
= dri2_query_dma_buf_modifiers
;
3162 #ifdef HAVE_WAYLAND_PLATFORM
3163 dri2_drv
->base
.API
.BindWaylandDisplayWL
= dri2_bind_wayland_display_wl
;
3164 dri2_drv
->base
.API
.UnbindWaylandDisplayWL
= dri2_unbind_wayland_display_wl
;
3165 dri2_drv
->base
.API
.QueryWaylandBufferWL
= dri2_query_wayland_buffer_wl
;
3167 dri2_drv
->base
.API
.GetSyncValuesCHROMIUM
= dri2_get_sync_values_chromium
;
3168 dri2_drv
->base
.API
.CreateSyncKHR
= dri2_create_sync
;
3169 dri2_drv
->base
.API
.ClientWaitSyncKHR
= dri2_client_wait_sync
;
3170 dri2_drv
->base
.API
.SignalSyncKHR
= dri2_signal_sync
;
3171 dri2_drv
->base
.API
.WaitSyncKHR
= dri2_server_wait_sync
;
3172 dri2_drv
->base
.API
.DestroySyncKHR
= dri2_destroy_sync
;
3173 dri2_drv
->base
.API
.GLInteropQueryDeviceInfo
= dri2_interop_query_device_info
;
3174 dri2_drv
->base
.API
.GLInteropExportObject
= dri2_interop_export_object
;
3175 dri2_drv
->base
.API
.DupNativeFenceFDANDROID
= dri2_dup_native_fence_fd
;
3177 dri2_drv
->base
.Name
= "DRI2";
3178 dri2_drv
->base
.Unload
= dri2_unload
;
3180 return &dri2_drv
->base
;