2 * Copyright © 2010 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
19 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
20 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
25 * Kristian Høgsberg <krh@bitplanet.net>
38 #include <GL/internal/dri_interface.h>
39 #include <sys/types.h>
44 const __DRIuseInvalidateExtension use_invalidate
= {
45 { __DRI_USE_INVALIDATE
, 1 }
48 EGLint dri2_to_egl_attribute_map
[] = {
50 EGL_BUFFER_SIZE
, /* __DRI_ATTRIB_BUFFER_SIZE */
51 EGL_LEVEL
, /* __DRI_ATTRIB_LEVEL */
52 EGL_RED_SIZE
, /* __DRI_ATTRIB_RED_SIZE */
53 EGL_GREEN_SIZE
, /* __DRI_ATTRIB_GREEN_SIZE */
54 EGL_BLUE_SIZE
, /* __DRI_ATTRIB_BLUE_SIZE */
55 EGL_LUMINANCE_SIZE
, /* __DRI_ATTRIB_LUMINANCE_SIZE */
56 EGL_ALPHA_SIZE
, /* __DRI_ATTRIB_ALPHA_SIZE */
57 0, /* __DRI_ATTRIB_ALPHA_MASK_SIZE */
58 EGL_DEPTH_SIZE
, /* __DRI_ATTRIB_DEPTH_SIZE */
59 EGL_STENCIL_SIZE
, /* __DRI_ATTRIB_STENCIL_SIZE */
60 0, /* __DRI_ATTRIB_ACCUM_RED_SIZE */
61 0, /* __DRI_ATTRIB_ACCUM_GREEN_SIZE */
62 0, /* __DRI_ATTRIB_ACCUM_BLUE_SIZE */
63 0, /* __DRI_ATTRIB_ACCUM_ALPHA_SIZE */
64 EGL_SAMPLE_BUFFERS
, /* __DRI_ATTRIB_SAMPLE_BUFFERS */
65 EGL_SAMPLES
, /* __DRI_ATTRIB_SAMPLES */
66 0, /* __DRI_ATTRIB_RENDER_TYPE, */
67 0, /* __DRI_ATTRIB_CONFIG_CAVEAT */
68 0, /* __DRI_ATTRIB_CONFORMANT */
69 0, /* __DRI_ATTRIB_DOUBLE_BUFFER */
70 0, /* __DRI_ATTRIB_STEREO */
71 0, /* __DRI_ATTRIB_AUX_BUFFERS */
72 0, /* __DRI_ATTRIB_TRANSPARENT_TYPE */
73 0, /* __DRI_ATTRIB_TRANSPARENT_INDEX_VALUE */
74 0, /* __DRI_ATTRIB_TRANSPARENT_RED_VALUE */
75 0, /* __DRI_ATTRIB_TRANSPARENT_GREEN_VALUE */
76 0, /* __DRI_ATTRIB_TRANSPARENT_BLUE_VALUE */
77 0, /* __DRI_ATTRIB_TRANSPARENT_ALPHA_VALUE */
78 0, /* __DRI_ATTRIB_FLOAT_MODE */
79 0, /* __DRI_ATTRIB_RED_MASK */
80 0, /* __DRI_ATTRIB_GREEN_MASK */
81 0, /* __DRI_ATTRIB_BLUE_MASK */
82 0, /* __DRI_ATTRIB_ALPHA_MASK */
83 EGL_MAX_PBUFFER_WIDTH
, /* __DRI_ATTRIB_MAX_PBUFFER_WIDTH */
84 EGL_MAX_PBUFFER_HEIGHT
, /* __DRI_ATTRIB_MAX_PBUFFER_HEIGHT */
85 EGL_MAX_PBUFFER_PIXELS
, /* __DRI_ATTRIB_MAX_PBUFFER_PIXELS */
86 0, /* __DRI_ATTRIB_OPTIMAL_PBUFFER_WIDTH */
87 0, /* __DRI_ATTRIB_OPTIMAL_PBUFFER_HEIGHT */
88 0, /* __DRI_ATTRIB_VISUAL_SELECT_GROUP */
89 0, /* __DRI_ATTRIB_SWAP_METHOD */
90 EGL_MAX_SWAP_INTERVAL
, /* __DRI_ATTRIB_MAX_SWAP_INTERVAL */
91 EGL_MIN_SWAP_INTERVAL
, /* __DRI_ATTRIB_MIN_SWAP_INTERVAL */
92 0, /* __DRI_ATTRIB_BIND_TO_TEXTURE_RGB */
93 0, /* __DRI_ATTRIB_BIND_TO_TEXTURE_RGBA */
94 0, /* __DRI_ATTRIB_BIND_TO_MIPMAP_TEXTURE */
95 0, /* __DRI_ATTRIB_BIND_TO_TEXTURE_TARGETS */
96 EGL_Y_INVERTED_NOK
, /* __DRI_ATTRIB_YINVERTED */
97 0, /* __DRI_ATTRIB_FRAMEBUFFER_SRGB_CAPABLE */
101 dri2_match_config(const _EGLConfig
*conf
, const _EGLConfig
*criteria
)
103 if (_eglCompareConfigs(conf
, criteria
, NULL
, EGL_FALSE
) != 0)
106 if (!_eglMatchConfig(conf
, criteria
))
112 struct dri2_egl_config
*
113 dri2_add_config(_EGLDisplay
*disp
, const __DRIconfig
*dri_config
, int id
,
114 int depth
, EGLint surface_type
, const EGLint
*attr_list
)
116 struct dri2_egl_config
*conf
;
117 struct dri2_egl_display
*dri2_dpy
;
119 unsigned int attrib
, value
, double_buffer
;
120 EGLint key
, bind_to_texture_rgb
, bind_to_texture_rgba
;
121 _EGLConfig
*matching_config
;
122 EGLint num_configs
= 0;
126 dri2_dpy
= disp
->DriverData
;
127 _eglInitConfig(&base
, disp
, id
);
131 bind_to_texture_rgb
= 0;
132 bind_to_texture_rgba
= 0;
134 while (dri2_dpy
->core
->indexConfigAttrib(dri_config
, i
++, &attrib
, &value
)) {
136 case __DRI_ATTRIB_RENDER_TYPE
:
137 if (value
& __DRI_ATTRIB_RGBA_BIT
)
138 value
= EGL_RGB_BUFFER
;
139 else if (value
& __DRI_ATTRIB_LUMINANCE_BIT
)
140 value
= EGL_LUMINANCE_BUFFER
;
143 _eglSetConfigKey(&base
, EGL_COLOR_BUFFER_TYPE
, value
);
146 case __DRI_ATTRIB_CONFIG_CAVEAT
:
147 if (value
& __DRI_ATTRIB_NON_CONFORMANT_CONFIG
)
148 value
= EGL_NON_CONFORMANT_CONFIG
;
149 else if (value
& __DRI_ATTRIB_SLOW_BIT
)
150 value
= EGL_SLOW_CONFIG
;
153 _eglSetConfigKey(&base
, EGL_CONFIG_CAVEAT
, value
);
156 case __DRI_ATTRIB_BIND_TO_TEXTURE_RGB
:
157 bind_to_texture_rgb
= value
;
160 case __DRI_ATTRIB_BIND_TO_TEXTURE_RGBA
:
161 bind_to_texture_rgba
= value
;
164 case __DRI_ATTRIB_DOUBLE_BUFFER
:
165 double_buffer
= value
;
169 key
= dri2_to_egl_attribute_map
[attrib
];
171 _eglSetConfigKey(&base
, key
, value
);
177 for (i
= 0; attr_list
[i
] != EGL_NONE
; i
+= 2)
178 _eglSetConfigKey(&base
, attr_list
[i
], attr_list
[i
+1]);
180 if (depth
> 0 && depth
!= base
.BufferSize
)
183 base
.NativeRenderable
= EGL_TRUE
;
185 base
.SurfaceType
= surface_type
;
186 if (surface_type
& (EGL_PBUFFER_BIT
|
187 (disp
->Extensions
.NOK_texture_from_pixmap
? EGL_PIXMAP_BIT
: 0))) {
188 base
.BindToTextureRGB
= bind_to_texture_rgb
;
189 if (base
.AlphaSize
> 0)
190 base
.BindToTextureRGBA
= bind_to_texture_rgba
;
193 base
.RenderableType
= disp
->ClientAPIs
;
194 base
.Conformant
= disp
->ClientAPIs
;
196 if (!_eglValidateConfig(&base
, EGL_FALSE
)) {
197 _eglLog(_EGL_DEBUG
, "DRI2: failed to validate config %d", id
);
201 config_id
= base
.ConfigID
;
202 base
.ConfigID
= EGL_DONT_CARE
;
203 base
.SurfaceType
= EGL_DONT_CARE
;
204 num_configs
= _eglFilterArray(disp
->Configs
, (void **) &matching_config
, 1,
205 (_EGLArrayForEach
) dri2_match_config
, &base
);
207 if (num_configs
== 1) {
208 conf
= (struct dri2_egl_config
*) matching_config
;
210 if (double_buffer
&& !conf
->dri_double_config
)
211 conf
->dri_double_config
= dri_config
;
212 else if (!double_buffer
&& !conf
->dri_single_config
)
213 conf
->dri_single_config
= dri_config
;
215 /* a similar config type is already added (unlikely) => discard */
218 else if (num_configs
== 0) {
219 conf
= malloc(sizeof *conf
);
223 memcpy(&conf
->base
, &base
, sizeof base
);
225 conf
->dri_double_config
= dri_config
;
226 conf
->dri_single_config
= NULL
;
228 conf
->dri_single_config
= dri_config
;
229 conf
->dri_double_config
= NULL
;
231 conf
->base
.SurfaceType
= 0;
232 conf
->base
.ConfigID
= config_id
;
234 _eglLinkConfig(&conf
->base
);
241 conf
->base
.SurfaceType
|= surface_type
& (!double_buffer
? EGL_PIXMAP_BIT
:
242 (EGL_WINDOW_BIT
| EGL_PBUFFER_BIT
| EGL_SWAP_BEHAVIOR_PRESERVED_BIT
));
248 dri2_lookup_egl_image(__DRIscreen
*screen
, void *image
, void *data
)
250 _EGLDisplay
*disp
= data
;
251 struct dri2_egl_image
*dri2_img
;
256 img
= _eglLookupImage(image
, disp
);
258 _eglError(EGL_BAD_PARAMETER
, "dri2_lookup_egl_image");
262 dri2_img
= dri2_egl_image(image
);
264 return dri2_img
->dri_image
;
267 const __DRIimageLookupExtension image_lookup_extension
= {
268 { __DRI_IMAGE_LOOKUP
, 1 },
269 dri2_lookup_egl_image
272 static const char dri_driver_path
[] = DEFAULT_DRIVER_DIR
;
274 struct dri2_extension_match
{
280 static struct dri2_extension_match dri2_driver_extensions
[] = {
281 { __DRI_CORE
, 1, offsetof(struct dri2_egl_display
, core
) },
282 { __DRI_DRI2
, 1, offsetof(struct dri2_egl_display
, dri2
) },
286 static struct dri2_extension_match dri2_core_extensions
[] = {
287 { __DRI2_FLUSH
, 1, offsetof(struct dri2_egl_display
, flush
) },
288 { __DRI_TEX_BUFFER
, 2, offsetof(struct dri2_egl_display
, tex_buffer
) },
289 { __DRI_IMAGE
, 1, offsetof(struct dri2_egl_display
, image
) },
293 static struct dri2_extension_match swrast_driver_extensions
[] = {
294 { __DRI_CORE
, 1, offsetof(struct dri2_egl_display
, core
) },
295 { __DRI_SWRAST
, 2, offsetof(struct dri2_egl_display
, swrast
) },
299 static struct dri2_extension_match swrast_core_extensions
[] = {
300 { __DRI_TEX_BUFFER
, 2, offsetof(struct dri2_egl_display
, tex_buffer
) },
305 dri2_bind_extensions(struct dri2_egl_display
*dri2_dpy
,
306 struct dri2_extension_match
*matches
,
307 const __DRIextension
**extensions
)
309 int i
, j
, ret
= EGL_TRUE
;
312 for (i
= 0; extensions
[i
]; i
++) {
313 _eglLog(_EGL_DEBUG
, "DRI2: found extension `%s'", extensions
[i
]->name
);
314 for (j
= 0; matches
[j
].name
; j
++) {
315 if (strcmp(extensions
[i
]->name
, matches
[j
].name
) == 0 &&
316 extensions
[i
]->version
>= matches
[j
].version
) {
317 field
= ((char *) dri2_dpy
+ matches
[j
].offset
);
318 *(const __DRIextension
**) field
= extensions
[i
];
319 _eglLog(_EGL_INFO
, "DRI2: found extension %s version %d",
320 extensions
[i
]->name
, extensions
[i
]->version
);
325 for (j
= 0; matches
[j
].name
; j
++) {
326 field
= ((char *) dri2_dpy
+ matches
[j
].offset
);
327 if (*(const __DRIextension
**) field
== NULL
) {
328 _eglLog(_EGL_FATAL
, "DRI2: did not find extension %s version %d",
329 matches
[j
].name
, matches
[j
].version
);
337 static const __DRIextension
**
338 dri2_open_driver(_EGLDisplay
*disp
)
340 struct dri2_egl_display
*dri2_dpy
= disp
->DriverData
;
341 const __DRIextension
**extensions
;
342 char path
[PATH_MAX
], *search_paths
, *p
, *next
, *end
;
345 if (geteuid() == getuid()) {
346 /* don't allow setuid apps to use LIBGL_DRIVERS_PATH */
347 search_paths
= getenv("LIBGL_DRIVERS_PATH");
349 if (search_paths
== NULL
)
350 search_paths
= DEFAULT_DRIVER_DIR
;
352 dri2_dpy
->driver
= NULL
;
353 end
= search_paths
+ strlen(search_paths
);
354 for (p
= search_paths
; p
< end
&& dri2_dpy
->driver
== NULL
; p
= next
+ 1) {
356 next
= strchr(p
, ':');
362 snprintf(path
, sizeof path
,
363 "%.*s/tls/%s_dri.so", len
, p
, dri2_dpy
->driver_name
);
364 dri2_dpy
->driver
= dlopen(path
, RTLD_NOW
| RTLD_GLOBAL
);
366 if (dri2_dpy
->driver
== NULL
) {
367 snprintf(path
, sizeof path
,
368 "%.*s/%s_dri.so", len
, p
, dri2_dpy
->driver_name
);
369 dri2_dpy
->driver
= dlopen(path
, RTLD_NOW
| RTLD_GLOBAL
);
370 if (dri2_dpy
->driver
== NULL
)
371 _eglLog(_EGL_DEBUG
, "failed to open %s: %s\n", path
, dlerror());
375 if (dri2_dpy
->driver
== NULL
) {
376 _eglLog(_EGL_WARNING
,
377 "DRI2: failed to open %s (search paths %s)",
378 dri2_dpy
->driver_name
, search_paths
);
382 _eglLog(_EGL_DEBUG
, "DRI2: dlopen(%s)", path
);
383 extensions
= dlsym(dri2_dpy
->driver
, __DRI_DRIVER_EXTENSIONS
);
384 if (extensions
== NULL
) {
385 _eglLog(_EGL_WARNING
,
386 "DRI2: driver exports no extensions (%s)", dlerror());
387 dlclose(dri2_dpy
->driver
);
394 dri2_load_driver(_EGLDisplay
*disp
)
396 struct dri2_egl_display
*dri2_dpy
= disp
->DriverData
;
397 const __DRIextension
**extensions
;
399 extensions
= dri2_open_driver(disp
);
403 if (!dri2_bind_extensions(dri2_dpy
, dri2_driver_extensions
, extensions
)) {
404 dlclose(dri2_dpy
->driver
);
412 dri2_load_driver_swrast(_EGLDisplay
*disp
)
414 struct dri2_egl_display
*dri2_dpy
= disp
->DriverData
;
415 const __DRIextension
**extensions
;
417 dri2_dpy
->driver_name
= "swrast";
418 extensions
= dri2_open_driver(disp
);
423 if (!dri2_bind_extensions(dri2_dpy
, swrast_driver_extensions
, extensions
)) {
424 dlclose(dri2_dpy
->driver
);
432 dri2_setup_screen(_EGLDisplay
*disp
)
434 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
435 unsigned int api_mask
;
437 if (dri2_dpy
->dri2
) {
438 if (dri2_dpy
->dri2
->base
.version
>= 2)
439 api_mask
= dri2_dpy
->dri2
->getAPIMask(dri2_dpy
->dri_screen
);
441 api_mask
= 1 << __DRI_API_OPENGL
;
443 assert(dri2_dpy
->swrast
);
444 if (dri2_dpy
->swrast
->base
.version
>= 2)
445 api_mask
= 1 << __DRI_API_OPENGL
| 1 << __DRI_API_GLES
| 1 << __DRI_API_GLES2
;
447 api_mask
= 1 << __DRI_API_OPENGL
;
450 disp
->ClientAPIs
= 0;
451 if (api_mask
& (1 <<__DRI_API_OPENGL
))
452 disp
->ClientAPIs
|= EGL_OPENGL_BIT
;
453 if (api_mask
& (1 <<__DRI_API_GLES
))
454 disp
->ClientAPIs
|= EGL_OPENGL_ES_BIT
;
455 if (api_mask
& (1 << __DRI_API_GLES2
))
456 disp
->ClientAPIs
|= EGL_OPENGL_ES2_BIT
;
458 if (dri2_dpy
->dri2
) {
459 if (dri2_dpy
->dri2
->base
.version
>= 2) {
460 disp
->Extensions
.KHR_surfaceless_gles1
= EGL_TRUE
;
461 disp
->Extensions
.KHR_surfaceless_gles2
= EGL_TRUE
;
462 disp
->Extensions
.KHR_surfaceless_opengl
= EGL_TRUE
;
465 assert(dri2_dpy
->swrast
);
466 if (dri2_dpy
->swrast
->base
.version
>= 2) {
467 disp
->Extensions
.KHR_surfaceless_gles1
= EGL_TRUE
;
468 disp
->Extensions
.KHR_surfaceless_gles2
= EGL_TRUE
;
469 disp
->Extensions
.KHR_surfaceless_opengl
= EGL_TRUE
;
473 if (dri2_dpy
->image
) {
474 disp
->Extensions
.MESA_drm_image
= EGL_TRUE
;
475 disp
->Extensions
.KHR_image_base
= EGL_TRUE
;
476 disp
->Extensions
.KHR_gl_renderbuffer_image
= EGL_TRUE
;
481 dri2_create_screen(_EGLDisplay
*disp
)
483 const __DRIextension
**extensions
;
484 struct dri2_egl_display
*dri2_dpy
;
486 dri2_dpy
= disp
->DriverData
;
488 if (dri2_dpy
->dri2
) {
489 dri2_dpy
->dri_screen
=
490 dri2_dpy
->dri2
->createNewScreen(0, dri2_dpy
->fd
, dri2_dpy
->extensions
,
491 &dri2_dpy
->driver_configs
, disp
);
493 assert(dri2_dpy
->swrast
);
494 dri2_dpy
->dri_screen
=
495 dri2_dpy
->swrast
->createNewScreen(0, dri2_dpy
->extensions
,
496 &dri2_dpy
->driver_configs
, disp
);
499 if (dri2_dpy
->dri_screen
== NULL
) {
500 _eglLog(_EGL_WARNING
, "DRI2: failed to create dri screen");
504 dri2_dpy
->own_dri_screen
= 1;
506 extensions
= dri2_dpy
->core
->getExtensions(dri2_dpy
->dri_screen
);
508 if (dri2_dpy
->dri2
) {
509 if (!dri2_bind_extensions(dri2_dpy
, dri2_core_extensions
, extensions
))
510 goto cleanup_dri_screen
;
512 assert(dri2_dpy
->swrast
);
513 if (!dri2_bind_extensions(dri2_dpy
, swrast_core_extensions
, extensions
))
514 goto cleanup_dri_screen
;
517 dri2_setup_screen(disp
);
522 dri2_dpy
->core
->destroyScreen(dri2_dpy
->dri_screen
);
528 * Called via eglInitialize(), GLX_drv->API.Initialize().
531 dri2_initialize(_EGLDriver
*drv
, _EGLDisplay
*disp
)
533 /* not until swrast_dri is supported */
534 if (disp
->Options
.UseFallback
)
537 switch (disp
->Platform
) {
538 #ifdef HAVE_X11_PLATFORM
539 case _EGL_PLATFORM_X11
:
540 if (disp
->Options
.TestOnly
)
542 return dri2_initialize_x11(drv
, disp
);
546 #ifdef HAVE_DRM_PLATFORM
547 case _EGL_PLATFORM_DRM
:
548 if (disp
->Options
.TestOnly
)
550 return dri2_initialize_drm(drv
, disp
);
552 #ifdef HAVE_WAYLAND_PLATFORM
553 case _EGL_PLATFORM_WAYLAND
:
554 if (disp
->Options
.TestOnly
)
556 return dri2_initialize_wayland(drv
, disp
);
566 * Called via eglTerminate(), drv->API.Terminate().
569 dri2_terminate(_EGLDriver
*drv
, _EGLDisplay
*disp
)
571 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
573 _eglReleaseDisplayResources(drv
, disp
);
574 _eglCleanupDisplay(disp
);
576 if (dri2_dpy
->own_dri_screen
)
577 dri2_dpy
->core
->destroyScreen(dri2_dpy
->dri_screen
);
580 if (dri2_dpy
->driver
)
581 dlclose(dri2_dpy
->driver
);
583 if (disp
->PlatformDisplay
== NULL
) {
584 switch (disp
->Platform
) {
585 #ifdef HAVE_X11_PLATFORM
586 case _EGL_PLATFORM_X11
:
587 xcb_disconnect(dri2_dpy
->conn
);
590 #ifdef HAVE_WAYLAND_PLATFORM
591 case _EGL_PLATFORM_WAYLAND
:
592 wl_display_destroy(dri2_dpy
->wl_dpy
);
601 disp
->DriverData
= NULL
;
608 * Called via eglCreateContext(), drv->API.CreateContext().
611 dri2_create_context(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLConfig
*conf
,
612 _EGLContext
*share_list
, const EGLint
*attrib_list
)
614 struct dri2_egl_context
*dri2_ctx
;
615 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
616 struct dri2_egl_context
*dri2_ctx_shared
= dri2_egl_context(share_list
);
617 struct dri2_egl_config
*dri2_config
= dri2_egl_config(conf
);
618 const __DRIconfig
*dri_config
;
623 dri2_ctx
= malloc(sizeof *dri2_ctx
);
625 _eglError(EGL_BAD_ALLOC
, "eglCreateContext");
629 if (!_eglInitContext(&dri2_ctx
->base
, disp
, conf
, attrib_list
))
632 switch (dri2_ctx
->base
.ClientAPI
) {
633 case EGL_OPENGL_ES_API
:
634 switch (dri2_ctx
->base
.ClientVersion
) {
636 api
= __DRI_API_GLES
;
639 api
= __DRI_API_GLES2
;
642 _eglError(EGL_BAD_PARAMETER
, "eglCreateContext");
647 api
= __DRI_API_OPENGL
;
650 _eglError(EGL_BAD_PARAMETER
, "eglCreateContext");
655 /* The config chosen here isn't necessarily
656 * used for surfaces later.
657 * A pixmap surface will use the single config.
658 * This opportunity depends on disabling the
659 * doubleBufferMode check in
660 * src/mesa/main/context.c:check_compatible()
662 if (dri2_config
->dri_double_config
)
663 dri_config
= dri2_config
->dri_double_config
;
665 dri_config
= dri2_config
->dri_single_config
;
670 if (dri2_dpy
->dri2
) {
671 if (dri2_dpy
->dri2
->base
.version
>= 2) {
672 dri2_ctx
->dri_context
=
673 dri2_dpy
->dri2
->createNewContextForAPI(dri2_dpy
->dri_screen
,
677 dri2_ctx_shared
->dri_context
: NULL
,
679 } else if (api
== __DRI_API_OPENGL
) {
680 dri2_ctx
->dri_context
=
681 dri2_dpy
->dri2
->createNewContext(dri2_dpy
->dri_screen
,
684 dri2_ctx_shared
->dri_context
: NULL
,
690 assert(dri2_dpy
->swrast
);
691 if (dri2_dpy
->swrast
->base
.version
>= 2) {
692 dri2_ctx
->dri_context
=
693 dri2_dpy
->swrast
->createNewContextForAPI(dri2_dpy
->dri_screen
,
697 dri2_ctx_shared
->dri_context
: NULL
,
699 } else if (api
== __DRI_API_OPENGL
) {
700 dri2_ctx
->dri_context
=
701 dri2_dpy
->core
->createNewContext(dri2_dpy
->dri_screen
,
704 dri2_ctx_shared
->dri_context
: NULL
,
711 if (!dri2_ctx
->dri_context
)
714 return &dri2_ctx
->base
;
722 * Called via eglMakeCurrent(), drv->API.MakeCurrent().
725 dri2_make_current(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*dsurf
,
726 _EGLSurface
*rsurf
, _EGLContext
*ctx
)
728 struct dri2_egl_driver
*dri2_drv
= dri2_egl_driver(drv
);
729 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
730 struct dri2_egl_surface
*dri2_dsurf
= dri2_egl_surface(dsurf
);
731 struct dri2_egl_surface
*dri2_rsurf
= dri2_egl_surface(rsurf
);
732 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
733 _EGLContext
*old_ctx
;
734 _EGLSurface
*old_dsurf
, *old_rsurf
;
735 __DRIdrawable
*ddraw
, *rdraw
;
738 /* make new bindings */
739 if (!_eglBindContext(ctx
, dsurf
, rsurf
, &old_ctx
, &old_dsurf
, &old_rsurf
))
742 /* flush before context switch */
743 if (old_ctx
&& dri2_drv
->glFlush
)
746 ddraw
= (dri2_dsurf
) ? dri2_dsurf
->dri_drawable
: NULL
;
747 rdraw
= (dri2_rsurf
) ? dri2_rsurf
->dri_drawable
: NULL
;
748 cctx
= (dri2_ctx
) ? dri2_ctx
->dri_context
: NULL
;
751 __DRIcontext
*old_cctx
= dri2_egl_context(old_ctx
)->dri_context
;
752 dri2_dpy
->core
->unbindContext(old_cctx
);
755 if ((cctx
== NULL
&& ddraw
== NULL
&& rdraw
== NULL
) ||
756 dri2_dpy
->core
->bindContext(cctx
, ddraw
, rdraw
)) {
758 drv
->API
.DestroySurface(drv
, disp
, old_dsurf
);
760 drv
->API
.DestroySurface(drv
, disp
, old_rsurf
);
763 _eglPutContext(old_ctx
);
767 /* undo the previous _eglBindContext */
768 _eglBindContext(old_ctx
, old_dsurf
, old_rsurf
, &ctx
, &dsurf
, &rsurf
);
769 assert(&dri2_ctx
->base
== ctx
&&
770 &dri2_dsurf
->base
== dsurf
&&
771 &dri2_rsurf
->base
== rsurf
);
773 _eglPutSurface(dsurf
);
774 _eglPutSurface(rsurf
);
777 _eglPutSurface(old_dsurf
);
778 _eglPutSurface(old_rsurf
);
779 _eglPutContext(old_ctx
);
786 * Called from eglGetProcAddress() via drv->API.GetProcAddress().
789 dri2_get_proc_address(_EGLDriver
*drv
, const char *procname
)
791 struct dri2_egl_driver
*dri2_drv
= dri2_egl_driver(drv
);
793 return dri2_drv
->get_proc_address(procname
);
797 dri2_wait_client(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLContext
*ctx
)
799 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
800 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(ctx
->DrawSurface
);
804 /* FIXME: If EGL allows frontbuffer rendering for window surfaces,
805 * we need to copy fake to real here.*/
807 (*dri2_dpy
->flush
->flush
)(dri2_surf
->dri_drawable
);
813 dri2_wait_native(_EGLDriver
*drv
, _EGLDisplay
*disp
, EGLint engine
)
818 if (engine
!= EGL_CORE_NATIVE_ENGINE
)
819 return _eglError(EGL_BAD_PARAMETER
, "eglWaitNative");
826 dri2_bind_tex_image(_EGLDriver
*drv
,
827 _EGLDisplay
*disp
, _EGLSurface
*surf
, EGLint buffer
)
829 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
830 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
831 struct dri2_egl_context
*dri2_ctx
;
833 GLint format
, target
;
835 ctx
= _eglGetCurrentContext();
836 dri2_ctx
= dri2_egl_context(ctx
);
838 if (!_eglBindTexImage(drv
, disp
, surf
, buffer
))
841 switch (dri2_surf
->base
.TextureFormat
) {
842 case EGL_TEXTURE_RGB
:
843 format
= __DRI_TEXTURE_FORMAT_RGB
;
845 case EGL_TEXTURE_RGBA
:
846 format
= __DRI_TEXTURE_FORMAT_RGBA
;
852 switch (dri2_surf
->base
.TextureTarget
) {
854 target
= GL_TEXTURE_2D
;
860 (*dri2_dpy
->tex_buffer
->setTexBuffer2
)(dri2_ctx
->dri_context
,
862 dri2_surf
->dri_drawable
);
868 dri2_release_tex_image(_EGLDriver
*drv
,
869 _EGLDisplay
*disp
, _EGLSurface
*surf
, EGLint buffer
)
871 #if __DRI_TEX_BUFFER_VERSION >= 3
872 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
873 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
874 struct dri2_egl_context
*dri2_ctx
;
878 ctx
= _eglGetCurrentContext();
879 dri2_ctx
= dri2_egl_context(ctx
);
881 if (!_eglReleaseTexImage(drv
, disp
, surf
, buffer
))
884 switch (dri2_surf
->base
.TextureTarget
) {
886 target
= GL_TEXTURE_2D
;
891 if (dri2_dpy
->tex_buffer
->releaseTexBuffer
!=NULL
)
892 (*dri2_dpy
->tex_buffer
->releaseTexBuffer
)(dri2_ctx
->dri_context
,
894 dri2_surf
->dri_drawable
);
901 dri2_create_image_khr_renderbuffer(_EGLDisplay
*disp
, _EGLContext
*ctx
,
902 EGLClientBuffer buffer
,
903 const EGLint
*attr_list
)
905 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
906 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
907 struct dri2_egl_image
*dri2_img
;
908 GLuint renderbuffer
= (GLuint
) (uintptr_t) buffer
;
910 if (renderbuffer
== 0) {
911 _eglError(EGL_BAD_PARAMETER
, "dri2_create_image_khr");
912 return EGL_NO_IMAGE_KHR
;
915 dri2_img
= malloc(sizeof *dri2_img
);
917 _eglError(EGL_BAD_ALLOC
, "dri2_create_image_khr");
918 return EGL_NO_IMAGE_KHR
;
921 if (!_eglInitImage(&dri2_img
->base
, disp
)) {
923 return EGL_NO_IMAGE_KHR
;
926 dri2_img
->dri_image
=
927 dri2_dpy
->image
->createImageFromRenderbuffer(dri2_ctx
->dri_context
,
931 return &dri2_img
->base
;
935 dri2_create_image_mesa_drm_buffer(_EGLDisplay
*disp
, _EGLContext
*ctx
,
936 EGLClientBuffer buffer
, const EGLint
*attr_list
)
938 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
939 struct dri2_egl_image
*dri2_img
;
940 EGLint format
, name
, pitch
, err
;
941 _EGLImageAttribs attrs
;
945 name
= (EGLint
) (uintptr_t) buffer
;
947 err
= _eglParseImageAttribList(&attrs
, disp
, attr_list
);
948 if (err
!= EGL_SUCCESS
)
951 if (attrs
.Width
<= 0 || attrs
.Height
<= 0 ||
952 attrs
.DRMBufferStrideMESA
<= 0) {
953 _eglError(EGL_BAD_PARAMETER
,
954 "bad width, height or stride");
958 switch (attrs
.DRMBufferFormatMESA
) {
959 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA
:
960 format
= __DRI_IMAGE_FORMAT_ARGB8888
;
961 pitch
= attrs
.DRMBufferStrideMESA
;
964 _eglError(EGL_BAD_PARAMETER
,
965 "dri2_create_image_khr: unsupported pixmap depth");
969 dri2_img
= malloc(sizeof *dri2_img
);
971 _eglError(EGL_BAD_ALLOC
, "dri2_create_image_mesa_drm");
975 if (!_eglInitImage(&dri2_img
->base
, disp
)) {
980 dri2_img
->dri_image
=
981 dri2_dpy
->image
->createImageFromName(dri2_dpy
->dri_screen
,
988 if (dri2_img
->dri_image
== NULL
) {
990 _eglError(EGL_BAD_ALLOC
, "dri2_create_image_mesa_drm");
994 return &dri2_img
->base
;
997 #ifdef HAVE_WAYLAND_PLATFORM
999 dri2_reference_drm_image(_EGLDisplay
*disp
, _EGLContext
*ctx
,
1000 __DRIimage
*dri_image
, EGLint width
, EGLint height
)
1002 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1003 EGLint attr_list
[] = {
1006 EGL_DRM_BUFFER_STRIDE_MESA
, 0,
1007 EGL_DRM_BUFFER_FORMAT_MESA
, EGL_DRM_BUFFER_FORMAT_ARGB32_MESA
,
1010 EGLint name
, stride
;
1012 dri2_dpy
->image
->queryImage(dri_image
, __DRI_IMAGE_ATTRIB_NAME
, &name
);
1013 dri2_dpy
->image
->queryImage(dri_image
, __DRI_IMAGE_ATTRIB_STRIDE
, &stride
);
1015 attr_list
[1] = width
;
1016 attr_list
[3] = height
;
1017 attr_list
[5] = stride
/ 4;
1019 return dri2_create_image_mesa_drm_buffer(disp
, ctx
,
1020 (EGLClientBuffer
)(intptr_t) name
,
1025 dri2_create_image_wayland_wl_buffer(_EGLDisplay
*disp
, _EGLContext
*ctx
,
1026 EGLClientBuffer _buffer
,
1027 const EGLint
*attr_list
)
1029 struct wl_buffer
*buffer
= (struct wl_buffer
*) _buffer
;
1032 if (!wayland_buffer_is_drm(buffer
))
1035 return dri2_reference_drm_image(disp
, ctx
,
1036 wayland_drm_buffer_get_buffer(buffer
),
1043 dri2_create_image_khr(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1044 _EGLContext
*ctx
, EGLenum target
,
1045 EGLClientBuffer buffer
, const EGLint
*attr_list
)
1050 case EGL_GL_RENDERBUFFER_KHR
:
1051 return dri2_create_image_khr_renderbuffer(disp
, ctx
, buffer
, attr_list
);
1052 case EGL_DRM_BUFFER_MESA
:
1053 return dri2_create_image_mesa_drm_buffer(disp
, ctx
, buffer
, attr_list
);
1054 #ifdef HAVE_WAYLAND_PLATFORM
1055 case EGL_WAYLAND_BUFFER_WL
:
1056 return dri2_create_image_wayland_wl_buffer(disp
, ctx
, buffer
, attr_list
);
1059 _eglError(EGL_BAD_PARAMETER
, "dri2_create_image_khr");
1060 return EGL_NO_IMAGE_KHR
;
1065 dri2_destroy_image_khr(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLImage
*image
)
1067 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1068 struct dri2_egl_image
*dri2_img
= dri2_egl_image(image
);
1072 dri2_dpy
->image
->destroyImage(dri2_img
->dri_image
);
1079 dri2_create_drm_image_mesa(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1080 const EGLint
*attr_list
)
1082 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1083 struct dri2_egl_image
*dri2_img
;
1084 _EGLImageAttribs attrs
;
1085 unsigned int dri_use
, valid_mask
;
1087 EGLint err
= EGL_SUCCESS
;
1091 dri2_img
= malloc(sizeof *dri2_img
);
1093 _eglError(EGL_BAD_ALLOC
, "dri2_create_image_khr");
1094 return EGL_NO_IMAGE_KHR
;
1098 err
= EGL_BAD_PARAMETER
;
1102 if (!_eglInitImage(&dri2_img
->base
, disp
)) {
1103 err
= EGL_BAD_PARAMETER
;
1107 err
= _eglParseImageAttribList(&attrs
, disp
, attr_list
);
1108 if (err
!= EGL_SUCCESS
)
1111 if (attrs
.Width
<= 0 || attrs
.Height
<= 0) {
1112 _eglLog(_EGL_WARNING
, "bad width or height (%dx%d)",
1113 attrs
.Width
, attrs
.Height
);
1117 switch (attrs
.DRMBufferFormatMESA
) {
1118 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA
:
1119 format
= __DRI_IMAGE_FORMAT_ARGB8888
;
1122 _eglLog(_EGL_WARNING
, "bad image format value 0x%04x",
1123 attrs
.DRMBufferFormatMESA
);
1128 EGL_DRM_BUFFER_USE_SCANOUT_MESA
|
1129 EGL_DRM_BUFFER_USE_SHARE_MESA
|
1130 EGL_DRM_BUFFER_USE_CURSOR_MESA
;
1131 if (attrs
.DRMBufferUseMESA
& ~valid_mask
) {
1132 _eglLog(_EGL_WARNING
, "bad image use bit 0x%04x",
1133 attrs
.DRMBufferUseMESA
& ~valid_mask
);
1138 if (attrs
.DRMBufferUseMESA
& EGL_DRM_BUFFER_USE_SHARE_MESA
)
1139 dri_use
|= __DRI_IMAGE_USE_SHARE
;
1140 if (attrs
.DRMBufferUseMESA
& EGL_DRM_BUFFER_USE_SCANOUT_MESA
)
1141 dri_use
|= __DRI_IMAGE_USE_SCANOUT
;
1142 if (attrs
.DRMBufferUseMESA
& EGL_DRM_BUFFER_USE_CURSOR_MESA
)
1143 dri_use
|= __DRI_IMAGE_USE_CURSOR
;
1145 dri2_img
->dri_image
=
1146 dri2_dpy
->image
->createImage(dri2_dpy
->dri_screen
,
1147 attrs
.Width
, attrs
.Height
,
1148 format
, dri_use
, dri2_img
);
1149 if (dri2_img
->dri_image
== NULL
) {
1150 err
= EGL_BAD_ALLOC
;
1154 return &dri2_img
->base
;
1158 _eglError(err
, "dri2_create_drm_image_mesa");
1160 return EGL_NO_IMAGE_KHR
;
1164 dri2_export_drm_image_mesa(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLImage
*img
,
1165 EGLint
*name
, EGLint
*handle
, EGLint
*stride
)
1167 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1168 struct dri2_egl_image
*dri2_img
= dri2_egl_image(img
);
1172 if (name
&& !dri2_dpy
->image
->queryImage(dri2_img
->dri_image
,
1173 __DRI_IMAGE_ATTRIB_NAME
, name
)) {
1174 _eglError(EGL_BAD_ALLOC
, "dri2_export_drm_image_mesa");
1179 dri2_dpy
->image
->queryImage(dri2_img
->dri_image
,
1180 __DRI_IMAGE_ATTRIB_HANDLE
, handle
);
1183 dri2_dpy
->image
->queryImage(dri2_img
->dri_image
,
1184 __DRI_IMAGE_ATTRIB_STRIDE
, stride
);
1189 #ifdef HAVE_WAYLAND_PLATFORM
1192 dri2_wl_reference_buffer(void *user_data
, uint32_t name
,
1193 int32_t width
, int32_t height
,
1194 uint32_t stride
, struct wl_visual
*visual
)
1196 _EGLDisplay
*disp
= user_data
;
1197 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1200 image
= dri2_dpy
->image
->createImageFromName(dri2_dpy
->dri_screen
,
1202 __DRI_IMAGE_FORMAT_ARGB8888
,
1210 dri2_wl_release_buffer(void *user_data
, void *buffer
)
1212 _EGLDisplay
*disp
= user_data
;
1213 __DRIimage
*image
= buffer
;
1214 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1216 dri2_dpy
->image
->destroyImage(image
);
1219 static struct wayland_drm_callbacks wl_drm_callbacks
= {
1220 .authenticate
= NULL
,
1221 .reference_buffer
= dri2_wl_reference_buffer
,
1222 .release_buffer
= dri2_wl_release_buffer
1226 dri2_bind_wayland_display_wl(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1227 struct wl_display
*wl_dpy
)
1229 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1233 if (dri2_dpy
->wl_server_drm
)
1236 wl_drm_callbacks
.authenticate
=
1237 (int(*)(void *, uint32_t)) dri2_dpy
->authenticate
;
1239 dri2_dpy
->wl_server_drm
=
1240 wayland_drm_init(wl_dpy
, dri2_dpy
->device_name
,
1241 &wl_drm_callbacks
, disp
);
1243 if (!dri2_dpy
->wl_server_drm
)
1250 dri2_unbind_wayland_display_wl(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1251 struct wl_display
*wl_dpy
)
1253 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1257 if (!dri2_dpy
->wl_server_drm
)
1260 wayland_drm_uninit(dri2_dpy
->wl_server_drm
);
1261 dri2_dpy
->wl_server_drm
= NULL
;
1268 dri2_unload(_EGLDriver
*drv
)
1270 struct dri2_egl_driver
*dri2_drv
= dri2_egl_driver(drv
);
1272 if (dri2_drv
->handle
)
1273 dlclose(dri2_drv
->handle
);
1278 dri2_load(_EGLDriver
*drv
)
1280 struct dri2_egl_driver
*dri2_drv
= dri2_egl_driver(drv
);
1281 #ifdef HAVE_SHARED_GLAPI
1282 const char *libname
= "libglapi.so.0";
1285 * Both libGL.so and libglapi.so are glapi providers. There is no way to
1286 * tell which one to load.
1288 const char *libname
= NULL
;
1292 /* RTLD_GLOBAL to make sure glapi symbols are visible to DRI drivers */
1293 handle
= dlopen(libname
, RTLD_LAZY
| RTLD_GLOBAL
);
1295 dri2_drv
->get_proc_address
= (_EGLProc (*)(const char *))
1296 dlsym(handle
, "_glapi_get_proc_address");
1297 if (!dri2_drv
->get_proc_address
|| !libname
) {
1298 /* no need to keep a reference */
1304 /* if glapi is not available, loading DRI drivers will fail */
1305 if (!dri2_drv
->get_proc_address
) {
1306 _eglLog(_EGL_WARNING
, "DRI2: failed to find _glapi_get_proc_address");
1310 dri2_drv
->glFlush
= (void (*)(void))
1311 dri2_drv
->get_proc_address("glFlush");
1313 dri2_drv
->handle
= handle
;
1319 * This is the main entrypoint into the driver, called by libEGL.
1320 * Create a new _EGLDriver object and init its dispatch table.
1323 _EGL_MAIN(const char *args
)
1325 struct dri2_egl_driver
*dri2_drv
;
1329 dri2_drv
= malloc(sizeof *dri2_drv
);
1333 memset(dri2_drv
, 0, sizeof *dri2_drv
);
1335 if (!dri2_load(&dri2_drv
->base
)) {
1340 _eglInitDriverFallbacks(&dri2_drv
->base
);
1341 dri2_drv
->base
.API
.Initialize
= dri2_initialize
;
1342 dri2_drv
->base
.API
.Terminate
= dri2_terminate
;
1343 dri2_drv
->base
.API
.CreateContext
= dri2_create_context
;
1344 dri2_drv
->base
.API
.MakeCurrent
= dri2_make_current
;
1345 dri2_drv
->base
.API
.GetProcAddress
= dri2_get_proc_address
;
1346 dri2_drv
->base
.API
.WaitClient
= dri2_wait_client
;
1347 dri2_drv
->base
.API
.WaitNative
= dri2_wait_native
;
1348 dri2_drv
->base
.API
.BindTexImage
= dri2_bind_tex_image
;
1349 dri2_drv
->base
.API
.ReleaseTexImage
= dri2_release_tex_image
;
1350 dri2_drv
->base
.API
.CreateImageKHR
= dri2_create_image_khr
;
1351 dri2_drv
->base
.API
.DestroyImageKHR
= dri2_destroy_image_khr
;
1352 dri2_drv
->base
.API
.CreateDRMImageMESA
= dri2_create_drm_image_mesa
;
1353 dri2_drv
->base
.API
.ExportDRMImageMESA
= dri2_export_drm_image_mesa
;
1354 #ifdef HAVE_WAYLAND_PLATFORM
1355 dri2_drv
->base
.API
.BindWaylandDisplayWL
= dri2_bind_wayland_display_wl
;
1356 dri2_drv
->base
.API
.UnbindWaylandDisplayWL
= dri2_unbind_wayland_display_wl
;
1359 dri2_drv
->base
.Name
= "DRI2";
1360 dri2_drv
->base
.Unload
= dri2_unload
;
1362 return &dri2_drv
->base
;