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
204 * => attach it as new config
209 if (num_configs
== 0) {
210 conf
= malloc(sizeof *conf
);
214 memcpy(&conf
->base
, &base
, sizeof base
);
216 conf
->dri_double_config
= dri_config
;
217 conf
->dri_single_config
= NULL
;
219 conf
->dri_single_config
= dri_config
;
220 conf
->dri_double_config
= NULL
;
222 conf
->base
.SurfaceType
= 0;
223 conf
->base
.ConfigID
= config_id
;
225 _eglLinkConfig(&conf
->base
);
228 conf
->base
.SurfaceType
|= surface_type
& (!double_buffer
? EGL_PIXMAP_BIT
:
229 (EGL_WINDOW_BIT
| EGL_PBUFFER_BIT
| EGL_SWAP_BEHAVIOR_PRESERVED_BIT
));
235 dri2_lookup_egl_image(__DRIscreen
*screen
, void *image
, void *data
)
237 _EGLDisplay
*disp
= data
;
238 struct dri2_egl_image
*dri2_img
;
243 img
= _eglLookupImage(image
, disp
);
245 _eglError(EGL_BAD_PARAMETER
, "dri2_lookup_egl_image");
249 dri2_img
= dri2_egl_image(image
);
251 return dri2_img
->dri_image
;
254 const __DRIimageLookupExtension image_lookup_extension
= {
255 { __DRI_IMAGE_LOOKUP
, 1 },
256 dri2_lookup_egl_image
259 static const char dri_driver_path
[] = DEFAULT_DRIVER_DIR
;
261 struct dri2_extension_match
{
267 static struct dri2_extension_match dri2_driver_extensions
[] = {
268 { __DRI_CORE
, 1, offsetof(struct dri2_egl_display
, core
) },
269 { __DRI_DRI2
, 1, offsetof(struct dri2_egl_display
, dri2
) },
273 static struct dri2_extension_match dri2_core_extensions
[] = {
274 { __DRI2_FLUSH
, 1, offsetof(struct dri2_egl_display
, flush
) },
275 { __DRI_TEX_BUFFER
, 2, offsetof(struct dri2_egl_display
, tex_buffer
) },
276 { __DRI_IMAGE
, 1, offsetof(struct dri2_egl_display
, image
) },
280 static struct dri2_extension_match swrast_driver_extensions
[] = {
281 { __DRI_CORE
, 1, offsetof(struct dri2_egl_display
, core
) },
282 { __DRI_SWRAST
, 2, offsetof(struct dri2_egl_display
, swrast
) },
286 static struct dri2_extension_match swrast_core_extensions
[] = {
287 { __DRI_TEX_BUFFER
, 2, offsetof(struct dri2_egl_display
, tex_buffer
) },
292 dri2_bind_extensions(struct dri2_egl_display
*dri2_dpy
,
293 struct dri2_extension_match
*matches
,
294 const __DRIextension
**extensions
)
296 int i
, j
, ret
= EGL_TRUE
;
299 for (i
= 0; extensions
[i
]; i
++) {
300 _eglLog(_EGL_DEBUG
, "DRI2: found extension `%s'", extensions
[i
]->name
);
301 for (j
= 0; matches
[j
].name
; j
++) {
302 if (strcmp(extensions
[i
]->name
, matches
[j
].name
) == 0 &&
303 extensions
[i
]->version
>= matches
[j
].version
) {
304 field
= ((char *) dri2_dpy
+ matches
[j
].offset
);
305 *(const __DRIextension
**) field
= extensions
[i
];
306 _eglLog(_EGL_INFO
, "DRI2: found extension %s version %d",
307 extensions
[i
]->name
, extensions
[i
]->version
);
312 for (j
= 0; matches
[j
].name
; j
++) {
313 field
= ((char *) dri2_dpy
+ matches
[j
].offset
);
314 if (*(const __DRIextension
**) field
== NULL
) {
315 _eglLog(_EGL_FATAL
, "DRI2: did not find extension %s version %d",
316 matches
[j
].name
, matches
[j
].version
);
325 dri2_load_driver(_EGLDisplay
*disp
)
327 struct dri2_egl_display
*dri2_dpy
= disp
->DriverData
;
328 const __DRIextension
**extensions
;
329 char path
[PATH_MAX
], *search_paths
, *p
, *next
, *end
;
332 if (geteuid() == getuid()) {
333 /* don't allow setuid apps to use LIBGL_DRIVERS_PATH */
334 search_paths
= getenv("LIBGL_DRIVERS_PATH");
336 if (search_paths
== NULL
)
337 search_paths
= DEFAULT_DRIVER_DIR
;
339 dri2_dpy
->driver
= NULL
;
340 end
= search_paths
+ strlen(search_paths
);
341 for (p
= search_paths
; p
< end
&& dri2_dpy
->driver
== NULL
; p
= next
+ 1) {
343 next
= strchr(p
, ':');
349 snprintf(path
, sizeof path
,
350 "%.*s/tls/%s_dri.so", len
, p
, dri2_dpy
->driver_name
);
351 dri2_dpy
->driver
= dlopen(path
, RTLD_NOW
| RTLD_GLOBAL
);
353 if (dri2_dpy
->driver
== NULL
) {
354 snprintf(path
, sizeof path
,
355 "%.*s/%s_dri.so", len
, p
, dri2_dpy
->driver_name
);
356 dri2_dpy
->driver
= dlopen(path
, RTLD_NOW
| RTLD_GLOBAL
);
357 if (dri2_dpy
->driver
== NULL
)
358 _eglLog(_EGL_DEBUG
, "failed to open %s: %s\n", path
, dlerror());
362 if (dri2_dpy
->driver
== NULL
) {
363 _eglLog(_EGL_WARNING
,
364 "DRI2: failed to open any driver (search paths %s)",
369 _eglLog(_EGL_DEBUG
, "DRI2: dlopen(%s)", path
);
370 extensions
= dlsym(dri2_dpy
->driver
, __DRI_DRIVER_EXTENSIONS
);
371 if (extensions
== NULL
) {
372 _eglLog(_EGL_WARNING
,
373 "DRI2: driver exports no extensions (%s)", dlerror());
374 dlclose(dri2_dpy
->driver
);
378 if (strcmp(dri2_dpy
->driver_name
, "swrast") == 0) {
379 if (!dri2_bind_extensions(dri2_dpy
, swrast_driver_extensions
, extensions
)) {
380 dlclose(dri2_dpy
->driver
);
384 if (!dri2_bind_extensions(dri2_dpy
, dri2_driver_extensions
, extensions
)) {
385 dlclose(dri2_dpy
->driver
);
394 dri2_create_screen(_EGLDisplay
*disp
)
396 const __DRIextension
**extensions
;
397 struct dri2_egl_display
*dri2_dpy
;
398 unsigned int api_mask
;
400 dri2_dpy
= disp
->DriverData
;
402 if (dri2_dpy
->dri2
) {
403 dri2_dpy
->dri_screen
=
404 dri2_dpy
->dri2
->createNewScreen(0, dri2_dpy
->fd
, dri2_dpy
->extensions
,
405 &dri2_dpy
->driver_configs
, disp
);
407 assert(dri2_dpy
->swrast
);
408 dri2_dpy
->dri_screen
=
409 dri2_dpy
->swrast
->createNewScreen(0, dri2_dpy
->extensions
,
410 &dri2_dpy
->driver_configs
, disp
);
413 if (dri2_dpy
->dri_screen
== NULL
) {
414 _eglLog(_EGL_WARNING
, "DRI2: failed to create dri screen");
418 extensions
= dri2_dpy
->core
->getExtensions(dri2_dpy
->dri_screen
);
420 if (dri2_dpy
->dri2
) {
421 if (!dri2_bind_extensions(dri2_dpy
, dri2_core_extensions
, extensions
))
422 goto cleanup_dri_screen
;
424 assert(dri2_dpy
->swrast
);
425 if (!dri2_bind_extensions(dri2_dpy
, swrast_core_extensions
, extensions
))
426 goto cleanup_dri_screen
;
429 if (dri2_dpy
->dri2
) {
430 if (dri2_dpy
->dri2
->base
.version
>= 2)
431 api_mask
= dri2_dpy
->dri2
->getAPIMask(dri2_dpy
->dri_screen
);
433 api_mask
= 1 << __DRI_API_OPENGL
;
435 assert(dri2_dpy
->swrast
);
436 if (dri2_dpy
->swrast
->base
.version
>= 2)
437 api_mask
= 1 << __DRI_API_OPENGL
| 1 << __DRI_API_GLES
| 1 << __DRI_API_GLES2
;
439 api_mask
= 1 << __DRI_API_OPENGL
;
442 disp
->ClientAPIs
= 0;
443 if (api_mask
& (1 <<__DRI_API_OPENGL
))
444 disp
->ClientAPIs
|= EGL_OPENGL_BIT
;
445 if (api_mask
& (1 <<__DRI_API_GLES
))
446 disp
->ClientAPIs
|= EGL_OPENGL_ES_BIT
;
447 if (api_mask
& (1 << __DRI_API_GLES2
))
448 disp
->ClientAPIs
|= EGL_OPENGL_ES2_BIT
;
450 if (dri2_dpy
->dri2
) {
451 if (dri2_dpy
->dri2
->base
.version
>= 2) {
452 disp
->Extensions
.KHR_surfaceless_gles1
= EGL_TRUE
;
453 disp
->Extensions
.KHR_surfaceless_gles2
= EGL_TRUE
;
454 disp
->Extensions
.KHR_surfaceless_opengl
= EGL_TRUE
;
457 assert(dri2_dpy
->swrast
);
458 if (dri2_dpy
->swrast
->base
.version
>= 2) {
459 disp
->Extensions
.KHR_surfaceless_gles1
= EGL_TRUE
;
460 disp
->Extensions
.KHR_surfaceless_gles2
= EGL_TRUE
;
461 disp
->Extensions
.KHR_surfaceless_opengl
= EGL_TRUE
;
465 if (dri2_dpy
->image
) {
466 disp
->Extensions
.MESA_drm_image
= EGL_TRUE
;
467 disp
->Extensions
.KHR_image_base
= EGL_TRUE
;
468 disp
->Extensions
.KHR_gl_renderbuffer_image
= EGL_TRUE
;
474 dri2_dpy
->core
->destroyScreen(dri2_dpy
->dri_screen
);
480 * Called via eglInitialize(), GLX_drv->API.Initialize().
483 dri2_initialize(_EGLDriver
*drv
, _EGLDisplay
*disp
)
485 /* not until swrast_dri is supported */
486 if (disp
->Options
.UseFallback
)
489 switch (disp
->Platform
) {
490 case _EGL_PLATFORM_X11
:
491 if (disp
->Options
.TestOnly
)
493 return dri2_initialize_x11(drv
, disp
);
496 case _EGL_PLATFORM_DRM
:
497 if (disp
->Options
.TestOnly
)
499 return dri2_initialize_drm(drv
, disp
);
500 #ifdef HAVE_WAYLAND_PLATFORM
501 case _EGL_PLATFORM_WAYLAND
:
502 if (disp
->Options
.TestOnly
)
504 return dri2_initialize_wayland(drv
, disp
);
514 * Called via eglTerminate(), drv->API.Terminate().
517 dri2_terminate(_EGLDriver
*drv
, _EGLDisplay
*disp
)
519 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
521 _eglReleaseDisplayResources(drv
, disp
);
522 _eglCleanupDisplay(disp
);
524 dri2_dpy
->core
->destroyScreen(dri2_dpy
->dri_screen
);
527 dlclose(dri2_dpy
->driver
);
528 if (disp
->PlatformDisplay
== NULL
)
529 xcb_disconnect(dri2_dpy
->conn
);
531 disp
->DriverData
= NULL
;
538 * Called via eglCreateContext(), drv->API.CreateContext().
541 dri2_create_context(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLConfig
*conf
,
542 _EGLContext
*share_list
, const EGLint
*attrib_list
)
544 struct dri2_egl_context
*dri2_ctx
;
545 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
546 struct dri2_egl_context
*dri2_ctx_shared
= dri2_egl_context(share_list
);
547 struct dri2_egl_config
*dri2_config
= dri2_egl_config(conf
);
548 const __DRIconfig
*dri_config
;
553 dri2_ctx
= malloc(sizeof *dri2_ctx
);
555 _eglError(EGL_BAD_ALLOC
, "eglCreateContext");
559 if (!_eglInitContext(&dri2_ctx
->base
, disp
, conf
, attrib_list
))
562 switch (dri2_ctx
->base
.ClientAPI
) {
563 case EGL_OPENGL_ES_API
:
564 switch (dri2_ctx
->base
.ClientVersion
) {
566 api
= __DRI_API_GLES
;
569 api
= __DRI_API_GLES2
;
572 _eglError(EGL_BAD_PARAMETER
, "eglCreateContext");
577 api
= __DRI_API_OPENGL
;
580 _eglError(EGL_BAD_PARAMETER
, "eglCreateContext");
585 /* The config chosen here isn't necessarily
586 * used for surfaces later.
587 * A pixmap surface will use the single config.
588 * This opportunity depends on disabling the
589 * doubleBufferMode check in
590 * src/mesa/main/context.c:check_compatible()
592 if (dri2_config
->dri_double_config
)
593 dri_config
= dri2_config
->dri_double_config
;
595 dri_config
= dri2_config
->dri_single_config
;
600 if (dri2_dpy
->dri2
) {
601 if (dri2_dpy
->dri2
->base
.version
>= 2) {
602 dri2_ctx
->dri_context
=
603 dri2_dpy
->dri2
->createNewContextForAPI(dri2_dpy
->dri_screen
,
607 dri2_ctx_shared
->dri_context
: NULL
,
609 } else if (api
== __DRI_API_OPENGL
) {
610 dri2_ctx
->dri_context
=
611 dri2_dpy
->dri2
->createNewContext(dri2_dpy
->dri_screen
,
614 dri2_ctx_shared
->dri_context
: NULL
,
620 assert(dri2_dpy
->swrast
);
621 if (dri2_dpy
->swrast
->base
.version
>= 2) {
622 dri2_ctx
->dri_context
=
623 dri2_dpy
->swrast
->createNewContextForAPI(dri2_dpy
->dri_screen
,
627 dri2_ctx_shared
->dri_context
: NULL
,
629 } else if (api
== __DRI_API_OPENGL
) {
630 dri2_ctx
->dri_context
=
631 dri2_dpy
->core
->createNewContext(dri2_dpy
->dri_screen
,
634 dri2_ctx_shared
->dri_context
: NULL
,
641 if (!dri2_ctx
->dri_context
)
644 return &dri2_ctx
->base
;
652 * Called via eglMakeCurrent(), drv->API.MakeCurrent().
655 dri2_make_current(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*dsurf
,
656 _EGLSurface
*rsurf
, _EGLContext
*ctx
)
658 struct dri2_egl_driver
*dri2_drv
= dri2_egl_driver(drv
);
659 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
660 struct dri2_egl_surface
*dri2_dsurf
= dri2_egl_surface(dsurf
);
661 struct dri2_egl_surface
*dri2_rsurf
= dri2_egl_surface(rsurf
);
662 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
663 _EGLContext
*old_ctx
;
664 _EGLSurface
*old_dsurf
, *old_rsurf
;
665 __DRIdrawable
*ddraw
, *rdraw
;
668 /* make new bindings */
669 if (!_eglBindContext(ctx
, dsurf
, rsurf
, &old_ctx
, &old_dsurf
, &old_rsurf
))
672 /* flush before context switch */
673 if (old_ctx
&& dri2_drv
->glFlush
)
676 ddraw
= (dri2_dsurf
) ? dri2_dsurf
->dri_drawable
: NULL
;
677 rdraw
= (dri2_rsurf
) ? dri2_rsurf
->dri_drawable
: NULL
;
678 cctx
= (dri2_ctx
) ? dri2_ctx
->dri_context
: NULL
;
681 __DRIcontext
*old_cctx
= dri2_egl_context(old_ctx
)->dri_context
;
682 dri2_dpy
->core
->unbindContext(old_cctx
);
685 if ((cctx
== NULL
&& ddraw
== NULL
&& rdraw
== NULL
) ||
686 dri2_dpy
->core
->bindContext(cctx
, ddraw
, rdraw
)) {
688 drv
->API
.DestroySurface(drv
, disp
, old_dsurf
);
690 drv
->API
.DestroySurface(drv
, disp
, old_rsurf
);
693 _eglPutContext(old_ctx
);
697 /* undo the previous _eglBindContext */
698 _eglBindContext(old_ctx
, old_dsurf
, old_rsurf
, &ctx
, &dsurf
, &rsurf
);
699 assert(&dri2_ctx
->base
== ctx
&&
700 &dri2_dsurf
->base
== dsurf
&&
701 &dri2_rsurf
->base
== rsurf
);
703 _eglPutSurface(dsurf
);
704 _eglPutSurface(rsurf
);
707 _eglPutSurface(old_dsurf
);
708 _eglPutSurface(old_rsurf
);
709 _eglPutContext(old_ctx
);
716 * Called from eglGetProcAddress() via drv->API.GetProcAddress().
719 dri2_get_proc_address(_EGLDriver
*drv
, const char *procname
)
721 struct dri2_egl_driver
*dri2_drv
= dri2_egl_driver(drv
);
723 return dri2_drv
->get_proc_address(procname
);
727 dri2_wait_client(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLContext
*ctx
)
729 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
730 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(ctx
->DrawSurface
);
734 /* FIXME: If EGL allows frontbuffer rendering for window surfaces,
735 * we need to copy fake to real here.*/
737 (*dri2_dpy
->flush
->flush
)(dri2_surf
->dri_drawable
);
743 dri2_wait_native(_EGLDriver
*drv
, _EGLDisplay
*disp
, EGLint engine
)
748 if (engine
!= EGL_CORE_NATIVE_ENGINE
)
749 return _eglError(EGL_BAD_PARAMETER
, "eglWaitNative");
756 dri2_bind_tex_image(_EGLDriver
*drv
,
757 _EGLDisplay
*disp
, _EGLSurface
*surf
, EGLint buffer
)
759 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
760 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
761 struct dri2_egl_context
*dri2_ctx
;
763 GLint format
, target
;
765 ctx
= _eglGetCurrentContext();
766 dri2_ctx
= dri2_egl_context(ctx
);
768 if (!_eglBindTexImage(drv
, disp
, surf
, buffer
))
771 switch (dri2_surf
->base
.TextureFormat
) {
772 case EGL_TEXTURE_RGB
:
773 format
= __DRI_TEXTURE_FORMAT_RGB
;
775 case EGL_TEXTURE_RGBA
:
776 format
= __DRI_TEXTURE_FORMAT_RGBA
;
782 switch (dri2_surf
->base
.TextureTarget
) {
784 target
= GL_TEXTURE_2D
;
790 (*dri2_dpy
->tex_buffer
->setTexBuffer2
)(dri2_ctx
->dri_context
,
792 dri2_surf
->dri_drawable
);
798 dri2_release_tex_image(_EGLDriver
*drv
,
799 _EGLDisplay
*disp
, _EGLSurface
*surf
, EGLint buffer
)
801 #if __DRI_TEX_BUFFER_VERSION >= 3
802 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
803 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
804 struct dri2_egl_context
*dri2_ctx
;
808 ctx
= _eglGetCurrentContext();
809 dri2_ctx
= dri2_egl_context(ctx
);
811 if (!_eglReleaseTexImage(drv
, disp
, surf
, buffer
))
814 switch (dri2_surf
->base
.TextureTarget
) {
816 target
= GL_TEXTURE_2D
;
821 if (dri2_dpy
->tex_buffer
->releaseTexBuffer
!=NULL
)
822 (*dri2_dpy
->tex_buffer
->releaseTexBuffer
)(dri2_ctx
->dri_context
,
824 dri2_surf
->dri_drawable
);
831 dri2_create_image_khr_renderbuffer(_EGLDisplay
*disp
, _EGLContext
*ctx
,
832 EGLClientBuffer buffer
,
833 const EGLint
*attr_list
)
835 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
836 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
837 struct dri2_egl_image
*dri2_img
;
838 GLuint renderbuffer
= (GLuint
) buffer
;
840 if (renderbuffer
== 0) {
841 _eglError(EGL_BAD_PARAMETER
, "dri2_create_image_khr");
842 return EGL_NO_IMAGE_KHR
;
845 dri2_img
= malloc(sizeof *dri2_img
);
847 _eglError(EGL_BAD_ALLOC
, "dri2_create_image_khr");
848 return EGL_NO_IMAGE_KHR
;
851 if (!_eglInitImage(&dri2_img
->base
, disp
))
852 return EGL_NO_IMAGE_KHR
;
854 dri2_img
->dri_image
=
855 dri2_dpy
->image
->createImageFromRenderbuffer(dri2_ctx
->dri_context
,
859 return &dri2_img
->base
;
863 dri2_create_image_mesa_drm_buffer(_EGLDisplay
*disp
, _EGLContext
*ctx
,
864 EGLClientBuffer buffer
, const EGLint
*attr_list
)
866 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
867 struct dri2_egl_image
*dri2_img
;
868 EGLint format
, name
, pitch
, err
;
869 _EGLImageAttribs attrs
;
873 name
= (EGLint
) buffer
;
875 err
= _eglParseImageAttribList(&attrs
, disp
, attr_list
);
876 if (err
!= EGL_SUCCESS
)
879 if (attrs
.Width
<= 0 || attrs
.Height
<= 0 ||
880 attrs
.DRMBufferStrideMESA
<= 0) {
881 _eglError(EGL_BAD_PARAMETER
,
882 "bad width, height or stride");
886 switch (attrs
.DRMBufferFormatMESA
) {
887 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA
:
888 format
= __DRI_IMAGE_FORMAT_ARGB8888
;
889 pitch
= attrs
.DRMBufferStrideMESA
;
892 _eglError(EGL_BAD_PARAMETER
,
893 "dri2_create_image_khr: unsupported pixmap depth");
897 dri2_img
= malloc(sizeof *dri2_img
);
899 _eglError(EGL_BAD_ALLOC
, "dri2_create_image_mesa_drm");
903 if (!_eglInitImage(&dri2_img
->base
, disp
)) {
908 dri2_img
->dri_image
=
909 dri2_dpy
->image
->createImageFromName(dri2_dpy
->dri_screen
,
916 if (dri2_img
->dri_image
== NULL
) {
918 _eglError(EGL_BAD_ALLOC
, "dri2_create_image_mesa_drm");
922 return &dri2_img
->base
;
926 dri2_export_drm_image_mesa(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLImage
*img
,
927 EGLint
*name
, EGLint
*handle
, EGLint
*stride
);
930 dri2_reference_drm_image(_EGLDisplay
*disp
, _EGLContext
*ctx
,
931 _EGLImage
*image
, EGLint width
, EGLint height
)
933 EGLint attr_list
[] = {
936 EGL_DRM_BUFFER_STRIDE_MESA
, 0,
937 EGL_DRM_BUFFER_FORMAT_MESA
, EGL_DRM_BUFFER_FORMAT_ARGB32_MESA
,
942 dri2_export_drm_image_mesa(disp
->Driver
, disp
, image
,
943 &name
, NULL
, &stride
);
945 attr_list
[1] = width
;
946 attr_list
[3] = height
;
947 attr_list
[5] = stride
/ 4;
949 return dri2_create_image_mesa_drm_buffer(disp
, ctx
,
950 (EGLClientBuffer
)(intptr_t) name
,
954 #ifdef HAVE_WAYLAND_PLATFORM
956 dri2_create_image_wayland_wl_buffer(_EGLDisplay
*disp
, _EGLContext
*ctx
,
957 EGLClientBuffer buffer
,
958 const EGLint
*attr_list
)
960 struct wl_drm_buffer
*wl_drm_buffer
= (struct wl_drm_buffer
*) buffer
;
964 return dri2_reference_drm_image(disp
, ctx
, wl_drm_buffer
->image
,
965 wl_drm_buffer
->buffer
.width
,
966 wl_drm_buffer
->buffer
.height
);
971 dri2_create_image_khr(_EGLDriver
*drv
, _EGLDisplay
*disp
,
972 _EGLContext
*ctx
, EGLenum target
,
973 EGLClientBuffer buffer
, const EGLint
*attr_list
)
978 case EGL_GL_RENDERBUFFER_KHR
:
979 return dri2_create_image_khr_renderbuffer(disp
, ctx
, buffer
, attr_list
);
980 case EGL_DRM_BUFFER_MESA
:
981 return dri2_create_image_mesa_drm_buffer(disp
, ctx
, buffer
, attr_list
);
982 #ifdef HAVE_WAYLAND_PLATFORM
983 case EGL_WAYLAND_BUFFER_WL
:
984 return dri2_create_image_wayland_wl_buffer(disp
, ctx
, buffer
, attr_list
);
987 _eglError(EGL_BAD_PARAMETER
, "dri2_create_image_khr");
988 return EGL_NO_IMAGE_KHR
;
993 dri2_destroy_image_khr(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLImage
*image
)
995 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
996 struct dri2_egl_image
*dri2_img
= dri2_egl_image(image
);
1000 dri2_dpy
->image
->destroyImage(dri2_img
->dri_image
);
1007 dri2_create_drm_image_mesa(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1008 const EGLint
*attr_list
)
1010 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1011 struct dri2_egl_image
*dri2_img
;
1012 _EGLImageAttribs attrs
;
1013 unsigned int dri_use
, valid_mask
;
1015 EGLint err
= EGL_SUCCESS
;
1019 dri2_img
= malloc(sizeof *dri2_img
);
1021 _eglError(EGL_BAD_ALLOC
, "dri2_create_image_khr");
1022 return EGL_NO_IMAGE_KHR
;
1026 err
= EGL_BAD_PARAMETER
;
1030 if (!_eglInitImage(&dri2_img
->base
, disp
)) {
1031 err
= EGL_BAD_PARAMETER
;
1035 err
= _eglParseImageAttribList(&attrs
, disp
, attr_list
);
1036 if (err
!= EGL_SUCCESS
)
1039 if (attrs
.Width
<= 0 || attrs
.Height
<= 0) {
1040 _eglLog(_EGL_WARNING
, "bad width or height (%dx%d)",
1041 attrs
.Width
, attrs
.Height
);
1045 switch (attrs
.DRMBufferFormatMESA
) {
1046 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA
:
1047 format
= __DRI_IMAGE_FORMAT_ARGB8888
;
1050 _eglLog(_EGL_WARNING
, "bad image format value 0x%04x",
1051 attrs
.DRMBufferFormatMESA
);
1056 EGL_DRM_BUFFER_USE_SCANOUT_MESA
|
1057 EGL_DRM_BUFFER_USE_SHARE_MESA
;
1058 if (attrs
.DRMBufferUseMESA
& ~valid_mask
) {
1059 _eglLog(_EGL_WARNING
, "bad image use bit 0x%04x",
1060 attrs
.DRMBufferUseMESA
& ~valid_mask
);
1065 if (attrs
.DRMBufferUseMESA
& EGL_DRM_BUFFER_USE_SHARE_MESA
)
1066 dri_use
|= __DRI_IMAGE_USE_SHARE
;
1067 if (attrs
.DRMBufferUseMESA
& EGL_DRM_BUFFER_USE_SCANOUT_MESA
)
1068 dri_use
|= __DRI_IMAGE_USE_SCANOUT
;
1070 dri2_img
->dri_image
=
1071 dri2_dpy
->image
->createImage(dri2_dpy
->dri_screen
,
1072 attrs
.Width
, attrs
.Height
,
1073 format
, dri_use
, dri2_img
);
1074 if (dri2_img
->dri_image
== NULL
) {
1075 err
= EGL_BAD_ALLOC
;
1079 return &dri2_img
->base
;
1083 _eglError(err
, "dri2_create_drm_image_mesa");
1085 return EGL_NO_IMAGE_KHR
;
1089 dri2_export_drm_image_mesa(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLImage
*img
,
1090 EGLint
*name
, EGLint
*handle
, EGLint
*stride
)
1092 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1093 struct dri2_egl_image
*dri2_img
= dri2_egl_image(img
);
1097 if (name
&& !dri2_dpy
->image
->queryImage(dri2_img
->dri_image
,
1098 __DRI_IMAGE_ATTRIB_NAME
, name
)) {
1099 _eglError(EGL_BAD_ALLOC
, "dri2_export_drm_image_mesa");
1104 dri2_dpy
->image
->queryImage(dri2_img
->dri_image
,
1105 __DRI_IMAGE_ATTRIB_HANDLE
, handle
);
1108 dri2_dpy
->image
->queryImage(dri2_img
->dri_image
,
1109 __DRI_IMAGE_ATTRIB_STRIDE
, stride
);
1114 #ifdef HAVE_WAYLAND_PLATFORM
1116 dri2_bind_wayland_display_wl(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1117 struct wl_display
*wl_dpy
)
1119 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1123 if (dri2_dpy
->wl_server_drm
)
1126 dri2_dpy
->wl_server_drm
=
1127 wayland_drm_init(wl_dpy
, disp
,
1128 dri2_dpy
->authenticate
,
1129 dri2_dpy
->device_name
);
1131 if (!dri2_dpy
->wl_server_drm
)
1138 dri2_unbind_wayland_display_wl(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1139 struct wl_display
*wl_dpy
)
1141 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1145 if (!dri2_dpy
->wl_server_drm
)
1148 wayland_drm_destroy(dri2_dpy
->wl_server_drm
);
1149 dri2_dpy
->wl_server_drm
= NULL
;
1156 dri2_unload(_EGLDriver
*drv
)
1158 struct dri2_egl_driver
*dri2_drv
= dri2_egl_driver(drv
);
1160 if (dri2_drv
->handle
)
1161 dlclose(dri2_drv
->handle
);
1166 dri2_load(_EGLDriver
*drv
)
1168 struct dri2_egl_driver
*dri2_drv
= dri2_egl_driver(drv
);
1169 #ifdef HAVE_SHARED_GLAPI
1170 const char *libname
= "libglapi.so.0";
1173 * Both libGL.so and libglapi.so are glapi providers. There is no way to
1174 * tell which one to load.
1176 const char *libname
= NULL
;
1180 /* RTLD_GLOBAL to make sure glapi symbols are visible to DRI drivers */
1181 handle
= dlopen(libname
, RTLD_LAZY
| RTLD_GLOBAL
);
1183 dri2_drv
->get_proc_address
= (_EGLProc (*)(const char *))
1184 dlsym(handle
, "_glapi_get_proc_address");
1185 if (!dri2_drv
->get_proc_address
|| !libname
) {
1186 /* no need to keep a reference */
1192 /* if glapi is not available, loading DRI drivers will fail */
1193 if (!dri2_drv
->get_proc_address
) {
1194 _eglLog(_EGL_WARNING
, "DRI2: failed to find _glapi_get_proc_address");
1198 dri2_drv
->glFlush
= (void (*)(void))
1199 dri2_drv
->get_proc_address("glFlush");
1201 dri2_drv
->handle
= handle
;
1207 * This is the main entrypoint into the driver, called by libEGL.
1208 * Create a new _EGLDriver object and init its dispatch table.
1211 _EGL_MAIN(const char *args
)
1213 struct dri2_egl_driver
*dri2_drv
;
1217 dri2_drv
= malloc(sizeof *dri2_drv
);
1221 memset(dri2_drv
, 0, sizeof *dri2_drv
);
1223 if (!dri2_load(&dri2_drv
->base
))
1226 _eglInitDriverFallbacks(&dri2_drv
->base
);
1227 dri2_drv
->base
.API
.Initialize
= dri2_initialize
;
1228 dri2_drv
->base
.API
.Terminate
= dri2_terminate
;
1229 dri2_drv
->base
.API
.CreateContext
= dri2_create_context
;
1230 dri2_drv
->base
.API
.MakeCurrent
= dri2_make_current
;
1231 dri2_drv
->base
.API
.GetProcAddress
= dri2_get_proc_address
;
1232 dri2_drv
->base
.API
.WaitClient
= dri2_wait_client
;
1233 dri2_drv
->base
.API
.WaitNative
= dri2_wait_native
;
1234 dri2_drv
->base
.API
.BindTexImage
= dri2_bind_tex_image
;
1235 dri2_drv
->base
.API
.ReleaseTexImage
= dri2_release_tex_image
;
1236 dri2_drv
->base
.API
.CreateImageKHR
= dri2_create_image_khr
;
1237 dri2_drv
->base
.API
.DestroyImageKHR
= dri2_destroy_image_khr
;
1238 dri2_drv
->base
.API
.CreateDRMImageMESA
= dri2_create_drm_image_mesa
;
1239 dri2_drv
->base
.API
.ExportDRMImageMESA
= dri2_export_drm_image_mesa
;
1240 #ifdef HAVE_WAYLAND_PLATFORM
1241 dri2_drv
->base
.API
.BindWaylandDisplayWL
= dri2_bind_wayland_display_wl
;
1242 dri2_drv
->base
.API
.UnbindWaylandDisplayWL
= dri2_unbind_wayland_display_wl
;
1245 dri2_drv
->base
.Name
= "DRI2";
1246 dri2_drv
->base
.Unload
= dri2_unload
;
1248 return &dri2_drv
->base
;