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 */
100 struct dri2_egl_config
*
101 dri2_add_config(_EGLDisplay
*disp
, const __DRIconfig
*dri_config
, int id
,
102 int depth
, EGLint surface_type
, const EGLint
*attr_list
)
104 struct dri2_egl_config
*conf
;
105 struct dri2_egl_display
*dri2_dpy
;
107 unsigned int attrib
, value
, double_buffer
;
108 EGLint key
, bind_to_texture_rgb
, bind_to_texture_rgba
;
109 _EGLConfig
*matching_config
;
110 EGLint num_configs
= 0;
114 dri2_dpy
= disp
->DriverData
;
115 _eglInitConfig(&base
, disp
, id
);
119 bind_to_texture_rgb
= 0;
120 bind_to_texture_rgba
= 0;
122 while (dri2_dpy
->core
->indexConfigAttrib(dri_config
, i
++, &attrib
, &value
)) {
124 case __DRI_ATTRIB_RENDER_TYPE
:
125 if (value
& __DRI_ATTRIB_RGBA_BIT
)
126 value
= EGL_RGB_BUFFER
;
127 else if (value
& __DRI_ATTRIB_LUMINANCE_BIT
)
128 value
= EGL_LUMINANCE_BUFFER
;
131 _eglSetConfigKey(&base
, EGL_COLOR_BUFFER_TYPE
, value
);
134 case __DRI_ATTRIB_CONFIG_CAVEAT
:
135 if (value
& __DRI_ATTRIB_NON_CONFORMANT_CONFIG
)
136 value
= EGL_NON_CONFORMANT_CONFIG
;
137 else if (value
& __DRI_ATTRIB_SLOW_BIT
)
138 value
= EGL_SLOW_CONFIG
;
141 _eglSetConfigKey(&base
, EGL_CONFIG_CAVEAT
, value
);
144 case __DRI_ATTRIB_BIND_TO_TEXTURE_RGB
:
145 bind_to_texture_rgb
= value
;
148 case __DRI_ATTRIB_BIND_TO_TEXTURE_RGBA
:
149 bind_to_texture_rgba
= value
;
152 case __DRI_ATTRIB_DOUBLE_BUFFER
:
153 double_buffer
= value
;
157 key
= dri2_to_egl_attribute_map
[attrib
];
159 _eglSetConfigKey(&base
, key
, value
);
165 for (i
= 0; attr_list
[i
] != EGL_NONE
; i
+= 2)
166 _eglSetConfigKey(&base
, attr_list
[i
], attr_list
[i
+1]);
168 if (depth
> 0 && depth
!= base
.BufferSize
)
171 base
.NativeRenderable
= EGL_TRUE
;
173 base
.SurfaceType
= surface_type
;
174 if (surface_type
& (EGL_PBUFFER_BIT
|
175 (disp
->Extensions
.NOK_texture_from_pixmap
? EGL_PIXMAP_BIT
: 0))) {
176 base
.BindToTextureRGB
= bind_to_texture_rgb
;
177 if (base
.AlphaSize
> 0)
178 base
.BindToTextureRGBA
= bind_to_texture_rgba
;
181 base
.RenderableType
= disp
->ClientAPIs
;
182 base
.Conformant
= disp
->ClientAPIs
;
184 if (!_eglValidateConfig(&base
, EGL_FALSE
)) {
185 _eglLog(_EGL_DEBUG
, "DRI2: failed to validate config %d", id
);
189 config_id
= base
.ConfigID
;
190 base
.ConfigID
= EGL_DONT_CARE
;
191 base
.SurfaceType
= EGL_DONT_CARE
;
192 num_configs
= _eglFilterArray(disp
->Configs
, (void **) &matching_config
, 1,
193 (_EGLArrayForEach
) _eglMatchConfig
, &base
);
195 if (num_configs
== 1) {
196 conf
= (struct dri2_egl_config
*) matching_config
;
198 if (double_buffer
&& !conf
->dri_double_config
)
199 conf
->dri_double_config
= dri_config
;
200 else if (!double_buffer
&& !conf
->dri_single_config
)
201 conf
->dri_single_config
= dri_config
;
203 /* a similar config type is already added (unlikely) => discard */
206 else if (num_configs
== 0) {
207 conf
= malloc(sizeof *conf
);
211 memcpy(&conf
->base
, &base
, sizeof base
);
213 conf
->dri_double_config
= dri_config
;
214 conf
->dri_single_config
= NULL
;
216 conf
->dri_single_config
= dri_config
;
217 conf
->dri_double_config
= NULL
;
219 conf
->base
.SurfaceType
= 0;
220 conf
->base
.ConfigID
= config_id
;
222 _eglLinkConfig(&conf
->base
);
229 conf
->base
.SurfaceType
|= surface_type
& (!double_buffer
? EGL_PIXMAP_BIT
:
230 (EGL_WINDOW_BIT
| EGL_PBUFFER_BIT
| EGL_SWAP_BEHAVIOR_PRESERVED_BIT
));
236 dri2_lookup_egl_image(__DRIscreen
*screen
, void *image
, void *data
)
238 _EGLDisplay
*disp
= data
;
239 struct dri2_egl_image
*dri2_img
;
244 img
= _eglLookupImage(image
, disp
);
246 _eglError(EGL_BAD_PARAMETER
, "dri2_lookup_egl_image");
250 dri2_img
= dri2_egl_image(image
);
252 return dri2_img
->dri_image
;
255 const __DRIimageLookupExtension image_lookup_extension
= {
256 { __DRI_IMAGE_LOOKUP
, 1 },
257 dri2_lookup_egl_image
260 static const char dri_driver_path
[] = DEFAULT_DRIVER_DIR
;
262 struct dri2_extension_match
{
268 static struct dri2_extension_match dri2_driver_extensions
[] = {
269 { __DRI_CORE
, 1, offsetof(struct dri2_egl_display
, core
) },
270 { __DRI_DRI2
, 1, offsetof(struct dri2_egl_display
, dri2
) },
274 static struct dri2_extension_match dri2_core_extensions
[] = {
275 { __DRI2_FLUSH
, 1, offsetof(struct dri2_egl_display
, flush
) },
276 { __DRI_TEX_BUFFER
, 2, offsetof(struct dri2_egl_display
, tex_buffer
) },
277 { __DRI_IMAGE
, 1, offsetof(struct dri2_egl_display
, image
) },
281 static struct dri2_extension_match swrast_driver_extensions
[] = {
282 { __DRI_CORE
, 1, offsetof(struct dri2_egl_display
, core
) },
283 { __DRI_SWRAST
, 2, offsetof(struct dri2_egl_display
, swrast
) },
287 static struct dri2_extension_match swrast_core_extensions
[] = {
288 { __DRI_TEX_BUFFER
, 2, offsetof(struct dri2_egl_display
, tex_buffer
) },
293 dri2_bind_extensions(struct dri2_egl_display
*dri2_dpy
,
294 struct dri2_extension_match
*matches
,
295 const __DRIextension
**extensions
)
297 int i
, j
, ret
= EGL_TRUE
;
300 for (i
= 0; extensions
[i
]; i
++) {
301 _eglLog(_EGL_DEBUG
, "DRI2: found extension `%s'", extensions
[i
]->name
);
302 for (j
= 0; matches
[j
].name
; j
++) {
303 if (strcmp(extensions
[i
]->name
, matches
[j
].name
) == 0 &&
304 extensions
[i
]->version
>= matches
[j
].version
) {
305 field
= ((char *) dri2_dpy
+ matches
[j
].offset
);
306 *(const __DRIextension
**) field
= extensions
[i
];
307 _eglLog(_EGL_INFO
, "DRI2: found extension %s version %d",
308 extensions
[i
]->name
, extensions
[i
]->version
);
313 for (j
= 0; matches
[j
].name
; j
++) {
314 field
= ((char *) dri2_dpy
+ matches
[j
].offset
);
315 if (*(const __DRIextension
**) field
== NULL
) {
316 _eglLog(_EGL_FATAL
, "DRI2: did not find extension %s version %d",
317 matches
[j
].name
, matches
[j
].version
);
326 dri2_load_driver(_EGLDisplay
*disp
)
328 struct dri2_egl_display
*dri2_dpy
= disp
->DriverData
;
329 const __DRIextension
**extensions
;
330 char path
[PATH_MAX
], *search_paths
, *p
, *next
, *end
;
333 if (geteuid() == getuid()) {
334 /* don't allow setuid apps to use LIBGL_DRIVERS_PATH */
335 search_paths
= getenv("LIBGL_DRIVERS_PATH");
337 if (search_paths
== NULL
)
338 search_paths
= DEFAULT_DRIVER_DIR
;
340 dri2_dpy
->driver
= NULL
;
341 end
= search_paths
+ strlen(search_paths
);
342 for (p
= search_paths
; p
< end
&& dri2_dpy
->driver
== NULL
; p
= next
+ 1) {
344 next
= strchr(p
, ':');
350 snprintf(path
, sizeof path
,
351 "%.*s/tls/%s_dri.so", len
, p
, dri2_dpy
->driver_name
);
352 dri2_dpy
->driver
= dlopen(path
, RTLD_NOW
| RTLD_GLOBAL
);
354 if (dri2_dpy
->driver
== NULL
) {
355 snprintf(path
, sizeof path
,
356 "%.*s/%s_dri.so", len
, p
, dri2_dpy
->driver_name
);
357 dri2_dpy
->driver
= dlopen(path
, RTLD_NOW
| RTLD_GLOBAL
);
358 if (dri2_dpy
->driver
== NULL
)
359 _eglLog(_EGL_DEBUG
, "failed to open %s: %s\n", path
, dlerror());
363 if (dri2_dpy
->driver
== NULL
) {
364 _eglLog(_EGL_WARNING
,
365 "DRI2: failed to open any driver (search paths %s)",
370 _eglLog(_EGL_DEBUG
, "DRI2: dlopen(%s)", path
);
371 extensions
= dlsym(dri2_dpy
->driver
, __DRI_DRIVER_EXTENSIONS
);
372 if (extensions
== NULL
) {
373 _eglLog(_EGL_WARNING
,
374 "DRI2: driver exports no extensions (%s)", dlerror());
375 dlclose(dri2_dpy
->driver
);
379 if (strcmp(dri2_dpy
->driver_name
, "swrast") == 0) {
380 if (!dri2_bind_extensions(dri2_dpy
, swrast_driver_extensions
, extensions
)) {
381 dlclose(dri2_dpy
->driver
);
385 if (!dri2_bind_extensions(dri2_dpy
, dri2_driver_extensions
, extensions
)) {
386 dlclose(dri2_dpy
->driver
);
395 dri2_create_screen(_EGLDisplay
*disp
)
397 const __DRIextension
**extensions
;
398 struct dri2_egl_display
*dri2_dpy
;
399 unsigned int api_mask
;
401 dri2_dpy
= disp
->DriverData
;
403 if (dri2_dpy
->dri2
) {
404 dri2_dpy
->dri_screen
=
405 dri2_dpy
->dri2
->createNewScreen(0, dri2_dpy
->fd
, dri2_dpy
->extensions
,
406 &dri2_dpy
->driver_configs
, disp
);
408 assert(dri2_dpy
->swrast
);
409 dri2_dpy
->dri_screen
=
410 dri2_dpy
->swrast
->createNewScreen(0, dri2_dpy
->extensions
,
411 &dri2_dpy
->driver_configs
, disp
);
414 if (dri2_dpy
->dri_screen
== NULL
) {
415 _eglLog(_EGL_WARNING
, "DRI2: failed to create dri screen");
419 extensions
= dri2_dpy
->core
->getExtensions(dri2_dpy
->dri_screen
);
421 if (dri2_dpy
->dri2
) {
422 if (!dri2_bind_extensions(dri2_dpy
, dri2_core_extensions
, extensions
))
423 goto cleanup_dri_screen
;
425 assert(dri2_dpy
->swrast
);
426 if (!dri2_bind_extensions(dri2_dpy
, swrast_core_extensions
, extensions
))
427 goto cleanup_dri_screen
;
430 if (dri2_dpy
->dri2
) {
431 if (dri2_dpy
->dri2
->base
.version
>= 2)
432 api_mask
= dri2_dpy
->dri2
->getAPIMask(dri2_dpy
->dri_screen
);
434 api_mask
= 1 << __DRI_API_OPENGL
;
436 assert(dri2_dpy
->swrast
);
437 if (dri2_dpy
->swrast
->base
.version
>= 2)
438 api_mask
= 1 << __DRI_API_OPENGL
| 1 << __DRI_API_GLES
| 1 << __DRI_API_GLES2
;
440 api_mask
= 1 << __DRI_API_OPENGL
;
443 disp
->ClientAPIs
= 0;
444 if (api_mask
& (1 <<__DRI_API_OPENGL
))
445 disp
->ClientAPIs
|= EGL_OPENGL_BIT
;
446 if (api_mask
& (1 <<__DRI_API_GLES
))
447 disp
->ClientAPIs
|= EGL_OPENGL_ES_BIT
;
448 if (api_mask
& (1 << __DRI_API_GLES2
))
449 disp
->ClientAPIs
|= EGL_OPENGL_ES2_BIT
;
451 if (dri2_dpy
->dri2
) {
452 if (dri2_dpy
->dri2
->base
.version
>= 2) {
453 disp
->Extensions
.KHR_surfaceless_gles1
= EGL_TRUE
;
454 disp
->Extensions
.KHR_surfaceless_gles2
= EGL_TRUE
;
455 disp
->Extensions
.KHR_surfaceless_opengl
= EGL_TRUE
;
458 assert(dri2_dpy
->swrast
);
459 if (dri2_dpy
->swrast
->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
;
466 if (dri2_dpy
->image
) {
467 disp
->Extensions
.MESA_drm_image
= EGL_TRUE
;
468 disp
->Extensions
.KHR_image_base
= EGL_TRUE
;
469 disp
->Extensions
.KHR_gl_renderbuffer_image
= EGL_TRUE
;
475 dri2_dpy
->core
->destroyScreen(dri2_dpy
->dri_screen
);
481 * Called via eglInitialize(), GLX_drv->API.Initialize().
484 dri2_initialize(_EGLDriver
*drv
, _EGLDisplay
*disp
)
486 /* not until swrast_dri is supported */
487 if (disp
->Options
.UseFallback
)
490 switch (disp
->Platform
) {
491 #ifdef HAVE_X11_PLATFORM
492 case _EGL_PLATFORM_X11
:
493 if (disp
->Options
.TestOnly
)
495 return dri2_initialize_x11(drv
, disp
);
499 case _EGL_PLATFORM_DRM
:
500 if (disp
->Options
.TestOnly
)
502 return dri2_initialize_drm(drv
, disp
);
503 #ifdef HAVE_WAYLAND_PLATFORM
504 case _EGL_PLATFORM_WAYLAND
:
505 if (disp
->Options
.TestOnly
)
507 return dri2_initialize_wayland(drv
, disp
);
517 * Called via eglTerminate(), drv->API.Terminate().
520 dri2_terminate(_EGLDriver
*drv
, _EGLDisplay
*disp
)
522 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
524 _eglReleaseDisplayResources(drv
, disp
);
525 _eglCleanupDisplay(disp
);
527 dri2_dpy
->core
->destroyScreen(dri2_dpy
->dri_screen
);
530 dlclose(dri2_dpy
->driver
);
531 #ifdef HAVE_X11_PLATFORM
532 if (disp
->PlatformDisplay
== NULL
)
533 xcb_disconnect(dri2_dpy
->conn
);
536 disp
->DriverData
= NULL
;
543 * Called via eglCreateContext(), drv->API.CreateContext().
546 dri2_create_context(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLConfig
*conf
,
547 _EGLContext
*share_list
, const EGLint
*attrib_list
)
549 struct dri2_egl_context
*dri2_ctx
;
550 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
551 struct dri2_egl_context
*dri2_ctx_shared
= dri2_egl_context(share_list
);
552 struct dri2_egl_config
*dri2_config
= dri2_egl_config(conf
);
553 const __DRIconfig
*dri_config
;
558 dri2_ctx
= malloc(sizeof *dri2_ctx
);
560 _eglError(EGL_BAD_ALLOC
, "eglCreateContext");
564 if (!_eglInitContext(&dri2_ctx
->base
, disp
, conf
, attrib_list
))
567 switch (dri2_ctx
->base
.ClientAPI
) {
568 case EGL_OPENGL_ES_API
:
569 switch (dri2_ctx
->base
.ClientVersion
) {
571 api
= __DRI_API_GLES
;
574 api
= __DRI_API_GLES2
;
577 _eglError(EGL_BAD_PARAMETER
, "eglCreateContext");
582 api
= __DRI_API_OPENGL
;
585 _eglError(EGL_BAD_PARAMETER
, "eglCreateContext");
590 /* The config chosen here isn't necessarily
591 * used for surfaces later.
592 * A pixmap surface will use the single config.
593 * This opportunity depends on disabling the
594 * doubleBufferMode check in
595 * src/mesa/main/context.c:check_compatible()
597 if (dri2_config
->dri_double_config
)
598 dri_config
= dri2_config
->dri_double_config
;
600 dri_config
= dri2_config
->dri_single_config
;
605 if (dri2_dpy
->dri2
) {
606 if (dri2_dpy
->dri2
->base
.version
>= 2) {
607 dri2_ctx
->dri_context
=
608 dri2_dpy
->dri2
->createNewContextForAPI(dri2_dpy
->dri_screen
,
612 dri2_ctx_shared
->dri_context
: NULL
,
614 } else if (api
== __DRI_API_OPENGL
) {
615 dri2_ctx
->dri_context
=
616 dri2_dpy
->dri2
->createNewContext(dri2_dpy
->dri_screen
,
619 dri2_ctx_shared
->dri_context
: NULL
,
625 assert(dri2_dpy
->swrast
);
626 if (dri2_dpy
->swrast
->base
.version
>= 2) {
627 dri2_ctx
->dri_context
=
628 dri2_dpy
->swrast
->createNewContextForAPI(dri2_dpy
->dri_screen
,
632 dri2_ctx_shared
->dri_context
: NULL
,
634 } else if (api
== __DRI_API_OPENGL
) {
635 dri2_ctx
->dri_context
=
636 dri2_dpy
->core
->createNewContext(dri2_dpy
->dri_screen
,
639 dri2_ctx_shared
->dri_context
: NULL
,
646 if (!dri2_ctx
->dri_context
)
649 return &dri2_ctx
->base
;
657 * Called via eglMakeCurrent(), drv->API.MakeCurrent().
660 dri2_make_current(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*dsurf
,
661 _EGLSurface
*rsurf
, _EGLContext
*ctx
)
663 struct dri2_egl_driver
*dri2_drv
= dri2_egl_driver(drv
);
664 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
665 struct dri2_egl_surface
*dri2_dsurf
= dri2_egl_surface(dsurf
);
666 struct dri2_egl_surface
*dri2_rsurf
= dri2_egl_surface(rsurf
);
667 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
668 _EGLContext
*old_ctx
;
669 _EGLSurface
*old_dsurf
, *old_rsurf
;
670 __DRIdrawable
*ddraw
, *rdraw
;
673 /* make new bindings */
674 if (!_eglBindContext(ctx
, dsurf
, rsurf
, &old_ctx
, &old_dsurf
, &old_rsurf
))
677 /* flush before context switch */
678 if (old_ctx
&& dri2_drv
->glFlush
)
681 ddraw
= (dri2_dsurf
) ? dri2_dsurf
->dri_drawable
: NULL
;
682 rdraw
= (dri2_rsurf
) ? dri2_rsurf
->dri_drawable
: NULL
;
683 cctx
= (dri2_ctx
) ? dri2_ctx
->dri_context
: NULL
;
686 __DRIcontext
*old_cctx
= dri2_egl_context(old_ctx
)->dri_context
;
687 dri2_dpy
->core
->unbindContext(old_cctx
);
690 if ((cctx
== NULL
&& ddraw
== NULL
&& rdraw
== NULL
) ||
691 dri2_dpy
->core
->bindContext(cctx
, ddraw
, rdraw
)) {
693 drv
->API
.DestroySurface(drv
, disp
, old_dsurf
);
695 drv
->API
.DestroySurface(drv
, disp
, old_rsurf
);
698 _eglPutContext(old_ctx
);
702 /* undo the previous _eglBindContext */
703 _eglBindContext(old_ctx
, old_dsurf
, old_rsurf
, &ctx
, &dsurf
, &rsurf
);
704 assert(&dri2_ctx
->base
== ctx
&&
705 &dri2_dsurf
->base
== dsurf
&&
706 &dri2_rsurf
->base
== rsurf
);
708 _eglPutSurface(dsurf
);
709 _eglPutSurface(rsurf
);
712 _eglPutSurface(old_dsurf
);
713 _eglPutSurface(old_rsurf
);
714 _eglPutContext(old_ctx
);
721 * Called from eglGetProcAddress() via drv->API.GetProcAddress().
724 dri2_get_proc_address(_EGLDriver
*drv
, const char *procname
)
726 struct dri2_egl_driver
*dri2_drv
= dri2_egl_driver(drv
);
728 return dri2_drv
->get_proc_address(procname
);
732 dri2_wait_client(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLContext
*ctx
)
734 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
735 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(ctx
->DrawSurface
);
739 /* FIXME: If EGL allows frontbuffer rendering for window surfaces,
740 * we need to copy fake to real here.*/
742 (*dri2_dpy
->flush
->flush
)(dri2_surf
->dri_drawable
);
748 dri2_wait_native(_EGLDriver
*drv
, _EGLDisplay
*disp
, EGLint engine
)
753 if (engine
!= EGL_CORE_NATIVE_ENGINE
)
754 return _eglError(EGL_BAD_PARAMETER
, "eglWaitNative");
761 dri2_bind_tex_image(_EGLDriver
*drv
,
762 _EGLDisplay
*disp
, _EGLSurface
*surf
, EGLint buffer
)
764 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
765 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
766 struct dri2_egl_context
*dri2_ctx
;
768 GLint format
, target
;
770 ctx
= _eglGetCurrentContext();
771 dri2_ctx
= dri2_egl_context(ctx
);
773 if (!_eglBindTexImage(drv
, disp
, surf
, buffer
))
776 switch (dri2_surf
->base
.TextureFormat
) {
777 case EGL_TEXTURE_RGB
:
778 format
= __DRI_TEXTURE_FORMAT_RGB
;
780 case EGL_TEXTURE_RGBA
:
781 format
= __DRI_TEXTURE_FORMAT_RGBA
;
787 switch (dri2_surf
->base
.TextureTarget
) {
789 target
= GL_TEXTURE_2D
;
795 (*dri2_dpy
->tex_buffer
->setTexBuffer2
)(dri2_ctx
->dri_context
,
797 dri2_surf
->dri_drawable
);
803 dri2_release_tex_image(_EGLDriver
*drv
,
804 _EGLDisplay
*disp
, _EGLSurface
*surf
, EGLint buffer
)
806 #if __DRI_TEX_BUFFER_VERSION >= 3
807 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
808 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
809 struct dri2_egl_context
*dri2_ctx
;
813 ctx
= _eglGetCurrentContext();
814 dri2_ctx
= dri2_egl_context(ctx
);
816 if (!_eglReleaseTexImage(drv
, disp
, surf
, buffer
))
819 switch (dri2_surf
->base
.TextureTarget
) {
821 target
= GL_TEXTURE_2D
;
826 if (dri2_dpy
->tex_buffer
->releaseTexBuffer
!=NULL
)
827 (*dri2_dpy
->tex_buffer
->releaseTexBuffer
)(dri2_ctx
->dri_context
,
829 dri2_surf
->dri_drawable
);
836 dri2_create_image_khr_renderbuffer(_EGLDisplay
*disp
, _EGLContext
*ctx
,
837 EGLClientBuffer buffer
,
838 const EGLint
*attr_list
)
840 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
841 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
842 struct dri2_egl_image
*dri2_img
;
843 GLuint renderbuffer
= (GLuint
) (uintptr_t) buffer
;
845 if (renderbuffer
== 0) {
846 _eglError(EGL_BAD_PARAMETER
, "dri2_create_image_khr");
847 return EGL_NO_IMAGE_KHR
;
850 dri2_img
= malloc(sizeof *dri2_img
);
852 _eglError(EGL_BAD_ALLOC
, "dri2_create_image_khr");
853 return EGL_NO_IMAGE_KHR
;
856 if (!_eglInitImage(&dri2_img
->base
, disp
))
857 return EGL_NO_IMAGE_KHR
;
859 dri2_img
->dri_image
=
860 dri2_dpy
->image
->createImageFromRenderbuffer(dri2_ctx
->dri_context
,
864 return &dri2_img
->base
;
868 dri2_create_image_mesa_drm_buffer(_EGLDisplay
*disp
, _EGLContext
*ctx
,
869 EGLClientBuffer buffer
, const EGLint
*attr_list
)
871 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
872 struct dri2_egl_image
*dri2_img
;
873 EGLint format
, name
, pitch
, err
;
874 _EGLImageAttribs attrs
;
878 name
= (EGLint
) (uintptr_t) buffer
;
880 err
= _eglParseImageAttribList(&attrs
, disp
, attr_list
);
881 if (err
!= EGL_SUCCESS
)
884 if (attrs
.Width
<= 0 || attrs
.Height
<= 0 ||
885 attrs
.DRMBufferStrideMESA
<= 0) {
886 _eglError(EGL_BAD_PARAMETER
,
887 "bad width, height or stride");
891 switch (attrs
.DRMBufferFormatMESA
) {
892 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA
:
893 format
= __DRI_IMAGE_FORMAT_ARGB8888
;
894 pitch
= attrs
.DRMBufferStrideMESA
;
897 _eglError(EGL_BAD_PARAMETER
,
898 "dri2_create_image_khr: unsupported pixmap depth");
902 dri2_img
= malloc(sizeof *dri2_img
);
904 _eglError(EGL_BAD_ALLOC
, "dri2_create_image_mesa_drm");
908 if (!_eglInitImage(&dri2_img
->base
, disp
)) {
913 dri2_img
->dri_image
=
914 dri2_dpy
->image
->createImageFromName(dri2_dpy
->dri_screen
,
921 if (dri2_img
->dri_image
== NULL
) {
923 _eglError(EGL_BAD_ALLOC
, "dri2_create_image_mesa_drm");
927 return &dri2_img
->base
;
930 #ifdef HAVE_WAYLAND_PLATFORM
932 dri2_reference_drm_image(_EGLDisplay
*disp
, _EGLContext
*ctx
,
933 __DRIimage
*dri_image
, EGLint width
, EGLint height
)
935 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
936 EGLint attr_list
[] = {
939 EGL_DRM_BUFFER_STRIDE_MESA
, 0,
940 EGL_DRM_BUFFER_FORMAT_MESA
, EGL_DRM_BUFFER_FORMAT_ARGB32_MESA
,
945 dri2_dpy
->image
->queryImage(dri_image
, __DRI_IMAGE_ATTRIB_NAME
, &name
);
946 dri2_dpy
->image
->queryImage(dri_image
, __DRI_IMAGE_ATTRIB_STRIDE
, &stride
);
948 attr_list
[1] = width
;
949 attr_list
[3] = height
;
950 attr_list
[5] = stride
/ 4;
952 return dri2_create_image_mesa_drm_buffer(disp
, ctx
,
953 (EGLClientBuffer
)(intptr_t) name
,
958 dri2_create_image_wayland_wl_buffer(_EGLDisplay
*disp
, _EGLContext
*ctx
,
959 EGLClientBuffer _buffer
,
960 const EGLint
*attr_list
)
962 struct wl_buffer
*buffer
= (struct wl_buffer
*) _buffer
;
965 if (!wayland_buffer_is_drm(buffer
))
968 return dri2_reference_drm_image(disp
, ctx
,
969 wayland_drm_buffer_get_buffer(buffer
),
976 dri2_create_image_khr(_EGLDriver
*drv
, _EGLDisplay
*disp
,
977 _EGLContext
*ctx
, EGLenum target
,
978 EGLClientBuffer buffer
, const EGLint
*attr_list
)
983 case EGL_GL_RENDERBUFFER_KHR
:
984 return dri2_create_image_khr_renderbuffer(disp
, ctx
, buffer
, attr_list
);
985 case EGL_DRM_BUFFER_MESA
:
986 return dri2_create_image_mesa_drm_buffer(disp
, ctx
, buffer
, attr_list
);
987 #ifdef HAVE_WAYLAND_PLATFORM
988 case EGL_WAYLAND_BUFFER_WL
:
989 return dri2_create_image_wayland_wl_buffer(disp
, ctx
, buffer
, attr_list
);
992 _eglError(EGL_BAD_PARAMETER
, "dri2_create_image_khr");
993 return EGL_NO_IMAGE_KHR
;
998 dri2_destroy_image_khr(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLImage
*image
)
1000 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1001 struct dri2_egl_image
*dri2_img
= dri2_egl_image(image
);
1005 dri2_dpy
->image
->destroyImage(dri2_img
->dri_image
);
1012 dri2_create_drm_image_mesa(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1013 const EGLint
*attr_list
)
1015 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1016 struct dri2_egl_image
*dri2_img
;
1017 _EGLImageAttribs attrs
;
1018 unsigned int dri_use
, valid_mask
;
1020 EGLint err
= EGL_SUCCESS
;
1024 dri2_img
= malloc(sizeof *dri2_img
);
1026 _eglError(EGL_BAD_ALLOC
, "dri2_create_image_khr");
1027 return EGL_NO_IMAGE_KHR
;
1031 err
= EGL_BAD_PARAMETER
;
1035 if (!_eglInitImage(&dri2_img
->base
, disp
)) {
1036 err
= EGL_BAD_PARAMETER
;
1040 err
= _eglParseImageAttribList(&attrs
, disp
, attr_list
);
1041 if (err
!= EGL_SUCCESS
)
1044 if (attrs
.Width
<= 0 || attrs
.Height
<= 0) {
1045 _eglLog(_EGL_WARNING
, "bad width or height (%dx%d)",
1046 attrs
.Width
, attrs
.Height
);
1050 switch (attrs
.DRMBufferFormatMESA
) {
1051 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA
:
1052 format
= __DRI_IMAGE_FORMAT_ARGB8888
;
1055 _eglLog(_EGL_WARNING
, "bad image format value 0x%04x",
1056 attrs
.DRMBufferFormatMESA
);
1061 EGL_DRM_BUFFER_USE_SCANOUT_MESA
|
1062 EGL_DRM_BUFFER_USE_SHARE_MESA
|
1063 EGL_DRM_BUFFER_USE_CURSOR_MESA
;
1064 if (attrs
.DRMBufferUseMESA
& ~valid_mask
) {
1065 _eglLog(_EGL_WARNING
, "bad image use bit 0x%04x",
1066 attrs
.DRMBufferUseMESA
& ~valid_mask
);
1071 if (attrs
.DRMBufferUseMESA
& EGL_DRM_BUFFER_USE_SHARE_MESA
)
1072 dri_use
|= __DRI_IMAGE_USE_SHARE
;
1073 if (attrs
.DRMBufferUseMESA
& EGL_DRM_BUFFER_USE_SCANOUT_MESA
)
1074 dri_use
|= __DRI_IMAGE_USE_SCANOUT
;
1075 if (attrs
.DRMBufferUseMESA
& EGL_DRM_BUFFER_USE_CURSOR_MESA
)
1076 dri_use
|= __DRI_IMAGE_USE_CURSOR
;
1078 dri2_img
->dri_image
=
1079 dri2_dpy
->image
->createImage(dri2_dpy
->dri_screen
,
1080 attrs
.Width
, attrs
.Height
,
1081 format
, dri_use
, dri2_img
);
1082 if (dri2_img
->dri_image
== NULL
) {
1083 err
= EGL_BAD_ALLOC
;
1087 return &dri2_img
->base
;
1091 _eglError(err
, "dri2_create_drm_image_mesa");
1093 return EGL_NO_IMAGE_KHR
;
1097 dri2_export_drm_image_mesa(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLImage
*img
,
1098 EGLint
*name
, EGLint
*handle
, EGLint
*stride
)
1100 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1101 struct dri2_egl_image
*dri2_img
= dri2_egl_image(img
);
1105 if (name
&& !dri2_dpy
->image
->queryImage(dri2_img
->dri_image
,
1106 __DRI_IMAGE_ATTRIB_NAME
, name
)) {
1107 _eglError(EGL_BAD_ALLOC
, "dri2_export_drm_image_mesa");
1112 dri2_dpy
->image
->queryImage(dri2_img
->dri_image
,
1113 __DRI_IMAGE_ATTRIB_HANDLE
, handle
);
1116 dri2_dpy
->image
->queryImage(dri2_img
->dri_image
,
1117 __DRI_IMAGE_ATTRIB_STRIDE
, stride
);
1122 #ifdef HAVE_WAYLAND_PLATFORM
1125 dri2_wl_reference_buffer(void *user_data
, uint32_t name
,
1126 int32_t width
, int32_t height
,
1127 uint32_t stride
, struct wl_visual
*visual
)
1129 _EGLDisplay
*disp
= user_data
;
1130 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1133 image
= dri2_dpy
->image
->createImageFromName(dri2_dpy
->dri_screen
,
1135 __DRI_IMAGE_FORMAT_ARGB8888
,
1143 dri2_wl_release_buffer(void *user_data
, void *buffer
)
1145 _EGLDisplay
*disp
= user_data
;
1146 __DRIimage
*image
= buffer
;
1147 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1149 dri2_dpy
->image
->destroyImage(image
);
1152 static struct wayland_drm_callbacks wl_drm_callbacks
= {
1153 .authenticate
= NULL
,
1154 .reference_buffer
= dri2_wl_reference_buffer
,
1155 .release_buffer
= dri2_wl_release_buffer
1159 dri2_bind_wayland_display_wl(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1160 struct wl_display
*wl_dpy
)
1162 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1166 if (dri2_dpy
->wl_server_drm
)
1169 wl_drm_callbacks
.authenticate
=
1170 (int(*)(void *, uint32_t)) dri2_dpy
->authenticate
;
1172 dri2_dpy
->wl_server_drm
=
1173 wayland_drm_init(wl_dpy
, dri2_dpy
->device_name
,
1174 &wl_drm_callbacks
, disp
);
1176 if (!dri2_dpy
->wl_server_drm
)
1183 dri2_unbind_wayland_display_wl(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1184 struct wl_display
*wl_dpy
)
1186 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1190 if (!dri2_dpy
->wl_server_drm
)
1193 wayland_drm_uninit(dri2_dpy
->wl_server_drm
);
1194 dri2_dpy
->wl_server_drm
= NULL
;
1201 dri2_unload(_EGLDriver
*drv
)
1203 struct dri2_egl_driver
*dri2_drv
= dri2_egl_driver(drv
);
1205 if (dri2_drv
->handle
)
1206 dlclose(dri2_drv
->handle
);
1211 dri2_load(_EGLDriver
*drv
)
1213 struct dri2_egl_driver
*dri2_drv
= dri2_egl_driver(drv
);
1214 #ifdef HAVE_SHARED_GLAPI
1215 const char *libname
= "libglapi.so.0";
1218 * Both libGL.so and libglapi.so are glapi providers. There is no way to
1219 * tell which one to load.
1221 const char *libname
= NULL
;
1225 /* RTLD_GLOBAL to make sure glapi symbols are visible to DRI drivers */
1226 handle
= dlopen(libname
, RTLD_LAZY
| RTLD_GLOBAL
);
1228 dri2_drv
->get_proc_address
= (_EGLProc (*)(const char *))
1229 dlsym(handle
, "_glapi_get_proc_address");
1230 if (!dri2_drv
->get_proc_address
|| !libname
) {
1231 /* no need to keep a reference */
1237 /* if glapi is not available, loading DRI drivers will fail */
1238 if (!dri2_drv
->get_proc_address
) {
1239 _eglLog(_EGL_WARNING
, "DRI2: failed to find _glapi_get_proc_address");
1243 dri2_drv
->glFlush
= (void (*)(void))
1244 dri2_drv
->get_proc_address("glFlush");
1246 dri2_drv
->handle
= handle
;
1252 * This is the main entrypoint into the driver, called by libEGL.
1253 * Create a new _EGLDriver object and init its dispatch table.
1256 _EGL_MAIN(const char *args
)
1258 struct dri2_egl_driver
*dri2_drv
;
1262 dri2_drv
= malloc(sizeof *dri2_drv
);
1266 memset(dri2_drv
, 0, sizeof *dri2_drv
);
1268 if (!dri2_load(&dri2_drv
->base
))
1271 _eglInitDriverFallbacks(&dri2_drv
->base
);
1272 dri2_drv
->base
.API
.Initialize
= dri2_initialize
;
1273 dri2_drv
->base
.API
.Terminate
= dri2_terminate
;
1274 dri2_drv
->base
.API
.CreateContext
= dri2_create_context
;
1275 dri2_drv
->base
.API
.MakeCurrent
= dri2_make_current
;
1276 dri2_drv
->base
.API
.GetProcAddress
= dri2_get_proc_address
;
1277 dri2_drv
->base
.API
.WaitClient
= dri2_wait_client
;
1278 dri2_drv
->base
.API
.WaitNative
= dri2_wait_native
;
1279 dri2_drv
->base
.API
.BindTexImage
= dri2_bind_tex_image
;
1280 dri2_drv
->base
.API
.ReleaseTexImage
= dri2_release_tex_image
;
1281 dri2_drv
->base
.API
.CreateImageKHR
= dri2_create_image_khr
;
1282 dri2_drv
->base
.API
.DestroyImageKHR
= dri2_destroy_image_khr
;
1283 dri2_drv
->base
.API
.CreateDRMImageMESA
= dri2_create_drm_image_mesa
;
1284 dri2_drv
->base
.API
.ExportDRMImageMESA
= dri2_export_drm_image_mesa
;
1285 #ifdef HAVE_WAYLAND_PLATFORM
1286 dri2_drv
->base
.API
.BindWaylandDisplayWL
= dri2_bind_wayland_display_wl
;
1287 dri2_drv
->base
.API
.UnbindWaylandDisplayWL
= dri2_unbind_wayland_display_wl
;
1290 dri2_drv
->base
.Name
= "DRI2";
1291 dri2_drv
->base
.Unload
= dri2_unload
;
1293 return &dri2_drv
->base
;