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>
37 #include <drm_fourcc.h>
39 #include <GL/internal/dri_interface.h>
40 #include <sys/types.h>
45 #ifdef HAVE_WAYLAND_PLATFORM
46 #include "wayland-drm.h"
49 const __DRIuseInvalidateExtension use_invalidate
= {
50 { __DRI_USE_INVALIDATE
, 1 }
53 EGLint dri2_to_egl_attribute_map
[] = {
55 EGL_BUFFER_SIZE
, /* __DRI_ATTRIB_BUFFER_SIZE */
56 EGL_LEVEL
, /* __DRI_ATTRIB_LEVEL */
57 EGL_RED_SIZE
, /* __DRI_ATTRIB_RED_SIZE */
58 EGL_GREEN_SIZE
, /* __DRI_ATTRIB_GREEN_SIZE */
59 EGL_BLUE_SIZE
, /* __DRI_ATTRIB_BLUE_SIZE */
60 EGL_LUMINANCE_SIZE
, /* __DRI_ATTRIB_LUMINANCE_SIZE */
61 EGL_ALPHA_SIZE
, /* __DRI_ATTRIB_ALPHA_SIZE */
62 0, /* __DRI_ATTRIB_ALPHA_MASK_SIZE */
63 EGL_DEPTH_SIZE
, /* __DRI_ATTRIB_DEPTH_SIZE */
64 EGL_STENCIL_SIZE
, /* __DRI_ATTRIB_STENCIL_SIZE */
65 0, /* __DRI_ATTRIB_ACCUM_RED_SIZE */
66 0, /* __DRI_ATTRIB_ACCUM_GREEN_SIZE */
67 0, /* __DRI_ATTRIB_ACCUM_BLUE_SIZE */
68 0, /* __DRI_ATTRIB_ACCUM_ALPHA_SIZE */
69 EGL_SAMPLE_BUFFERS
, /* __DRI_ATTRIB_SAMPLE_BUFFERS */
70 EGL_SAMPLES
, /* __DRI_ATTRIB_SAMPLES */
71 0, /* __DRI_ATTRIB_RENDER_TYPE, */
72 0, /* __DRI_ATTRIB_CONFIG_CAVEAT */
73 0, /* __DRI_ATTRIB_CONFORMANT */
74 0, /* __DRI_ATTRIB_DOUBLE_BUFFER */
75 0, /* __DRI_ATTRIB_STEREO */
76 0, /* __DRI_ATTRIB_AUX_BUFFERS */
77 0, /* __DRI_ATTRIB_TRANSPARENT_TYPE */
78 0, /* __DRI_ATTRIB_TRANSPARENT_INDEX_VALUE */
79 0, /* __DRI_ATTRIB_TRANSPARENT_RED_VALUE */
80 0, /* __DRI_ATTRIB_TRANSPARENT_GREEN_VALUE */
81 0, /* __DRI_ATTRIB_TRANSPARENT_BLUE_VALUE */
82 0, /* __DRI_ATTRIB_TRANSPARENT_ALPHA_VALUE */
83 0, /* __DRI_ATTRIB_FLOAT_MODE (deprecated) */
84 0, /* __DRI_ATTRIB_RED_MASK */
85 0, /* __DRI_ATTRIB_GREEN_MASK */
86 0, /* __DRI_ATTRIB_BLUE_MASK */
87 0, /* __DRI_ATTRIB_ALPHA_MASK */
88 EGL_MAX_PBUFFER_WIDTH
, /* __DRI_ATTRIB_MAX_PBUFFER_WIDTH */
89 EGL_MAX_PBUFFER_HEIGHT
, /* __DRI_ATTRIB_MAX_PBUFFER_HEIGHT */
90 EGL_MAX_PBUFFER_PIXELS
, /* __DRI_ATTRIB_MAX_PBUFFER_PIXELS */
91 0, /* __DRI_ATTRIB_OPTIMAL_PBUFFER_WIDTH */
92 0, /* __DRI_ATTRIB_OPTIMAL_PBUFFER_HEIGHT */
93 0, /* __DRI_ATTRIB_VISUAL_SELECT_GROUP */
94 0, /* __DRI_ATTRIB_SWAP_METHOD */
95 EGL_MAX_SWAP_INTERVAL
, /* __DRI_ATTRIB_MAX_SWAP_INTERVAL */
96 EGL_MIN_SWAP_INTERVAL
, /* __DRI_ATTRIB_MIN_SWAP_INTERVAL */
97 0, /* __DRI_ATTRIB_BIND_TO_TEXTURE_RGB */
98 0, /* __DRI_ATTRIB_BIND_TO_TEXTURE_RGBA */
99 0, /* __DRI_ATTRIB_BIND_TO_MIPMAP_TEXTURE */
100 0, /* __DRI_ATTRIB_BIND_TO_TEXTURE_TARGETS */
101 EGL_Y_INVERTED_NOK
, /* __DRI_ATTRIB_YINVERTED */
102 0, /* __DRI_ATTRIB_FRAMEBUFFER_SRGB_CAPABLE */
106 dri2_match_config(const _EGLConfig
*conf
, const _EGLConfig
*criteria
)
108 if (_eglCompareConfigs(conf
, criteria
, NULL
, EGL_FALSE
) != 0)
111 if (!_eglMatchConfig(conf
, criteria
))
117 struct dri2_egl_config
*
118 dri2_add_config(_EGLDisplay
*disp
, const __DRIconfig
*dri_config
, int id
,
119 int depth
, EGLint surface_type
, const EGLint
*attr_list
,
120 const unsigned int *rgba_masks
)
122 struct dri2_egl_config
*conf
;
123 struct dri2_egl_display
*dri2_dpy
;
125 unsigned int attrib
, value
, double_buffer
;
126 EGLint key
, bind_to_texture_rgb
, bind_to_texture_rgba
;
127 unsigned int dri_masks
[4] = { 0, 0, 0, 0 };
128 _EGLConfig
*matching_config
;
129 EGLint num_configs
= 0;
133 dri2_dpy
= disp
->DriverData
;
134 _eglInitConfig(&base
, disp
, id
);
138 bind_to_texture_rgb
= 0;
139 bind_to_texture_rgba
= 0;
141 while (dri2_dpy
->core
->indexConfigAttrib(dri_config
, i
++, &attrib
, &value
)) {
143 case __DRI_ATTRIB_RENDER_TYPE
:
144 if (value
& __DRI_ATTRIB_RGBA_BIT
)
145 value
= EGL_RGB_BUFFER
;
146 else if (value
& __DRI_ATTRIB_LUMINANCE_BIT
)
147 value
= EGL_LUMINANCE_BUFFER
;
150 _eglSetConfigKey(&base
, EGL_COLOR_BUFFER_TYPE
, value
);
153 case __DRI_ATTRIB_CONFIG_CAVEAT
:
154 if (value
& __DRI_ATTRIB_NON_CONFORMANT_CONFIG
)
155 value
= EGL_NON_CONFORMANT_CONFIG
;
156 else if (value
& __DRI_ATTRIB_SLOW_BIT
)
157 value
= EGL_SLOW_CONFIG
;
160 _eglSetConfigKey(&base
, EGL_CONFIG_CAVEAT
, value
);
163 case __DRI_ATTRIB_BIND_TO_TEXTURE_RGB
:
164 bind_to_texture_rgb
= value
;
167 case __DRI_ATTRIB_BIND_TO_TEXTURE_RGBA
:
168 bind_to_texture_rgba
= value
;
171 case __DRI_ATTRIB_DOUBLE_BUFFER
:
172 double_buffer
= value
;
175 case __DRI_ATTRIB_RED_MASK
:
176 dri_masks
[0] = value
;
179 case __DRI_ATTRIB_GREEN_MASK
:
180 dri_masks
[1] = value
;
183 case __DRI_ATTRIB_BLUE_MASK
:
184 dri_masks
[2] = value
;
187 case __DRI_ATTRIB_ALPHA_MASK
:
188 dri_masks
[3] = value
;
192 key
= dri2_to_egl_attribute_map
[attrib
];
194 _eglSetConfigKey(&base
, key
, value
);
200 for (i
= 0; attr_list
[i
] != EGL_NONE
; i
+= 2)
201 _eglSetConfigKey(&base
, attr_list
[i
], attr_list
[i
+1]);
203 /* Allow a 24-bit RGB visual to match a 32-bit RGBA EGLConfig. Otherwise
204 * it will only match a 32-bit RGBA visual. On a composited window manager
205 * on X11, this will make all of the EGLConfigs with destination alpha get
206 * blended by the compositor. This is probably not what the application
207 * wants... especially on drivers that only have 32-bit RGBA EGLConfigs!
209 if (depth
> 0 && depth
!= base
.BufferSize
210 && !(depth
== 24 && base
.BufferSize
== 32))
213 if (rgba_masks
&& memcmp(rgba_masks
, dri_masks
, sizeof(dri_masks
)))
216 base
.NativeRenderable
= EGL_TRUE
;
218 base
.SurfaceType
= surface_type
;
219 if (surface_type
& (EGL_PBUFFER_BIT
|
220 (disp
->Extensions
.NOK_texture_from_pixmap
? EGL_PIXMAP_BIT
: 0))) {
221 base
.BindToTextureRGB
= bind_to_texture_rgb
;
222 if (base
.AlphaSize
> 0)
223 base
.BindToTextureRGBA
= bind_to_texture_rgba
;
226 base
.RenderableType
= disp
->ClientAPIs
;
227 base
.Conformant
= disp
->ClientAPIs
;
229 base
.MinSwapInterval
= dri2_dpy
->min_swap_interval
;
230 base
.MaxSwapInterval
= dri2_dpy
->max_swap_interval
;
232 if (!_eglValidateConfig(&base
, EGL_FALSE
)) {
233 _eglLog(_EGL_DEBUG
, "DRI2: failed to validate config %d", id
);
237 config_id
= base
.ConfigID
;
238 base
.ConfigID
= EGL_DONT_CARE
;
239 base
.SurfaceType
= EGL_DONT_CARE
;
240 num_configs
= _eglFilterArray(disp
->Configs
, (void **) &matching_config
, 1,
241 (_EGLArrayForEach
) dri2_match_config
, &base
);
243 if (num_configs
== 1) {
244 conf
= (struct dri2_egl_config
*) matching_config
;
246 if (double_buffer
&& !conf
->dri_double_config
)
247 conf
->dri_double_config
= dri_config
;
248 else if (!double_buffer
&& !conf
->dri_single_config
)
249 conf
->dri_single_config
= dri_config
;
251 /* a similar config type is already added (unlikely) => discard */
254 else if (num_configs
== 0) {
255 conf
= malloc(sizeof *conf
);
259 memcpy(&conf
->base
, &base
, sizeof base
);
261 conf
->dri_double_config
= dri_config
;
262 conf
->dri_single_config
= NULL
;
264 conf
->dri_single_config
= dri_config
;
265 conf
->dri_double_config
= NULL
;
267 conf
->base
.SurfaceType
= 0;
268 conf
->base
.ConfigID
= config_id
;
270 _eglLinkConfig(&conf
->base
);
278 surface_type
&= ~EGL_PIXMAP_BIT
;
281 conf
->base
.SurfaceType
|= surface_type
;
287 dri2_lookup_egl_image(__DRIscreen
*screen
, void *image
, void *data
)
289 _EGLDisplay
*disp
= data
;
290 struct dri2_egl_image
*dri2_img
;
295 img
= _eglLookupImage(image
, disp
);
297 _eglError(EGL_BAD_PARAMETER
, "dri2_lookup_egl_image");
301 dri2_img
= dri2_egl_image(image
);
303 return dri2_img
->dri_image
;
306 const __DRIimageLookupExtension image_lookup_extension
= {
307 { __DRI_IMAGE_LOOKUP
, 1 },
308 dri2_lookup_egl_image
311 static const char dri_driver_path
[] = DEFAULT_DRIVER_DIR
;
313 struct dri2_extension_match
{
319 static struct dri2_extension_match dri2_driver_extensions
[] = {
320 { __DRI_CORE
, 1, offsetof(struct dri2_egl_display
, core
) },
321 { __DRI_DRI2
, 2, offsetof(struct dri2_egl_display
, dri2
) },
325 static struct dri2_extension_match dri2_core_extensions
[] = {
326 { __DRI2_FLUSH
, 1, offsetof(struct dri2_egl_display
, flush
) },
327 { __DRI_TEX_BUFFER
, 2, offsetof(struct dri2_egl_display
, tex_buffer
) },
328 { __DRI_IMAGE
, 1, offsetof(struct dri2_egl_display
, image
) },
332 static struct dri2_extension_match swrast_driver_extensions
[] = {
333 { __DRI_CORE
, 1, offsetof(struct dri2_egl_display
, core
) },
334 { __DRI_SWRAST
, 2, offsetof(struct dri2_egl_display
, swrast
) },
338 static struct dri2_extension_match swrast_core_extensions
[] = {
339 { __DRI_TEX_BUFFER
, 2, offsetof(struct dri2_egl_display
, tex_buffer
) },
344 dri2_bind_extensions(struct dri2_egl_display
*dri2_dpy
,
345 struct dri2_extension_match
*matches
,
346 const __DRIextension
**extensions
)
348 int i
, j
, ret
= EGL_TRUE
;
351 for (i
= 0; extensions
[i
]; i
++) {
352 _eglLog(_EGL_DEBUG
, "DRI2: found extension `%s'", extensions
[i
]->name
);
353 for (j
= 0; matches
[j
].name
; j
++) {
354 if (strcmp(extensions
[i
]->name
, matches
[j
].name
) == 0 &&
355 extensions
[i
]->version
>= matches
[j
].version
) {
356 field
= ((char *) dri2_dpy
+ matches
[j
].offset
);
357 *(const __DRIextension
**) field
= extensions
[i
];
358 _eglLog(_EGL_INFO
, "DRI2: found extension %s version %d",
359 extensions
[i
]->name
, extensions
[i
]->version
);
364 for (j
= 0; matches
[j
].name
; j
++) {
365 field
= ((char *) dri2_dpy
+ matches
[j
].offset
);
366 if (*(const __DRIextension
**) field
== NULL
) {
367 _eglLog(_EGL_FATAL
, "DRI2: did not find extension %s version %d",
368 matches
[j
].name
, matches
[j
].version
);
376 static const __DRIextension
**
377 dri2_open_driver(_EGLDisplay
*disp
)
379 struct dri2_egl_display
*dri2_dpy
= disp
->DriverData
;
380 const __DRIextension
**extensions
;
381 char path
[PATH_MAX
], *search_paths
, *p
, *next
, *end
;
384 if (geteuid() == getuid()) {
385 /* don't allow setuid apps to use LIBGL_DRIVERS_PATH */
386 search_paths
= getenv("LIBGL_DRIVERS_PATH");
388 if (search_paths
== NULL
)
389 search_paths
= DEFAULT_DRIVER_DIR
;
391 dri2_dpy
->driver
= NULL
;
392 end
= search_paths
+ strlen(search_paths
);
393 for (p
= search_paths
; p
< end
&& dri2_dpy
->driver
== NULL
; p
= next
+ 1) {
395 next
= strchr(p
, ':');
401 snprintf(path
, sizeof path
,
402 "%.*s/tls/%s_dri.so", len
, p
, dri2_dpy
->driver_name
);
403 dri2_dpy
->driver
= dlopen(path
, RTLD_NOW
| RTLD_GLOBAL
);
405 if (dri2_dpy
->driver
== NULL
) {
406 snprintf(path
, sizeof path
,
407 "%.*s/%s_dri.so", len
, p
, dri2_dpy
->driver_name
);
408 dri2_dpy
->driver
= dlopen(path
, RTLD_NOW
| RTLD_GLOBAL
);
409 if (dri2_dpy
->driver
== NULL
)
410 _eglLog(_EGL_DEBUG
, "failed to open %s: %s\n", path
, dlerror());
414 if (dri2_dpy
->driver
== NULL
) {
415 _eglLog(_EGL_WARNING
,
416 "DRI2: failed to open %s (search paths %s)",
417 dri2_dpy
->driver_name
, search_paths
);
421 _eglLog(_EGL_DEBUG
, "DRI2: dlopen(%s)", path
);
422 extensions
= dlsym(dri2_dpy
->driver
, __DRI_DRIVER_EXTENSIONS
);
423 if (extensions
== NULL
) {
424 _eglLog(_EGL_WARNING
,
425 "DRI2: driver exports no extensions (%s)", dlerror());
426 dlclose(dri2_dpy
->driver
);
433 dri2_load_driver(_EGLDisplay
*disp
)
435 struct dri2_egl_display
*dri2_dpy
= disp
->DriverData
;
436 const __DRIextension
**extensions
;
438 extensions
= dri2_open_driver(disp
);
442 if (!dri2_bind_extensions(dri2_dpy
, dri2_driver_extensions
, extensions
)) {
443 dlclose(dri2_dpy
->driver
);
451 dri2_load_driver_swrast(_EGLDisplay
*disp
)
453 struct dri2_egl_display
*dri2_dpy
= disp
->DriverData
;
454 const __DRIextension
**extensions
;
456 dri2_dpy
->driver_name
= "swrast";
457 extensions
= dri2_open_driver(disp
);
462 if (!dri2_bind_extensions(dri2_dpy
, swrast_driver_extensions
, extensions
)) {
463 dlclose(dri2_dpy
->driver
);
471 dri2_setup_screen(_EGLDisplay
*disp
)
473 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
474 unsigned int api_mask
;
476 if (dri2_dpy
->dri2
) {
477 api_mask
= dri2_dpy
->dri2
->getAPIMask(dri2_dpy
->dri_screen
);
479 assert(dri2_dpy
->swrast
);
480 api_mask
= 1 << __DRI_API_OPENGL
|
481 1 << __DRI_API_GLES
|
482 1 << __DRI_API_GLES2
|
483 1 << __DRI_API_GLES3
;
486 disp
->ClientAPIs
= 0;
487 if (api_mask
& (1 <<__DRI_API_OPENGL
))
488 disp
->ClientAPIs
|= EGL_OPENGL_BIT
;
489 if (api_mask
& (1 <<__DRI_API_GLES
))
490 disp
->ClientAPIs
|= EGL_OPENGL_ES_BIT
;
491 if (api_mask
& (1 << __DRI_API_GLES2
))
492 disp
->ClientAPIs
|= EGL_OPENGL_ES2_BIT
;
493 if (api_mask
& (1 << __DRI_API_GLES3
))
494 disp
->ClientAPIs
|= EGL_OPENGL_ES3_BIT_KHR
;
496 assert(dri2_dpy
->dri2
|| dri2_dpy
->swrast
);
497 disp
->Extensions
.KHR_surfaceless_context
= EGL_TRUE
;
499 if (dri2_dpy
->dri2
&& dri2_dpy
->dri2
->base
.version
>= 3) {
500 disp
->Extensions
.KHR_create_context
= EGL_TRUE
;
502 if (dri2_dpy
->robustness
)
503 disp
->Extensions
.EXT_create_context_robustness
= EGL_TRUE
;
506 if (dri2_dpy
->image
) {
507 disp
->Extensions
.MESA_drm_image
= EGL_TRUE
;
508 disp
->Extensions
.KHR_image_base
= EGL_TRUE
;
509 disp
->Extensions
.KHR_gl_renderbuffer_image
= EGL_TRUE
;
510 if (dri2_dpy
->image
->base
.version
>= 5 &&
511 dri2_dpy
->image
->createImageFromTexture
) {
512 disp
->Extensions
.KHR_gl_texture_2D_image
= EGL_TRUE
;
513 disp
->Extensions
.KHR_gl_texture_cubemap_image
= EGL_TRUE
;
515 if (dri2_dpy
->image
->base
.version
>= 8 &&
516 dri2_dpy
->image
->createImageFromDmaBufs
) {
517 disp
->Extensions
.EXT_image_dma_buf_import
= EGL_TRUE
;
523 dri2_create_screen(_EGLDisplay
*disp
)
525 const __DRIextension
**extensions
;
526 struct dri2_egl_display
*dri2_dpy
;
528 dri2_dpy
= disp
->DriverData
;
530 if (dri2_dpy
->dri2
) {
531 dri2_dpy
->dri_screen
=
532 dri2_dpy
->dri2
->createNewScreen(0, dri2_dpy
->fd
, dri2_dpy
->extensions
,
533 &dri2_dpy
->driver_configs
, disp
);
535 assert(dri2_dpy
->swrast
);
536 dri2_dpy
->dri_screen
=
537 dri2_dpy
->swrast
->createNewScreen(0, dri2_dpy
->extensions
,
538 &dri2_dpy
->driver_configs
, disp
);
541 if (dri2_dpy
->dri_screen
== NULL
) {
542 _eglLog(_EGL_WARNING
, "DRI2: failed to create dri screen");
546 dri2_dpy
->own_dri_screen
= 1;
548 extensions
= dri2_dpy
->core
->getExtensions(dri2_dpy
->dri_screen
);
550 if (dri2_dpy
->dri2
) {
553 if (!dri2_bind_extensions(dri2_dpy
, dri2_core_extensions
, extensions
))
554 goto cleanup_dri_screen
;
556 for (i
= 0; extensions
[i
]; i
++) {
557 if (strcmp(extensions
[i
]->name
, __DRI2_ROBUSTNESS
) == 0) {
558 dri2_dpy
->robustness
= (__DRIrobustnessExtension
*) extensions
[i
];
560 if (strcmp(extensions
[i
]->name
, __DRI2_CONFIG_QUERY
) == 0) {
561 dri2_dpy
->config
= (__DRI2configQueryExtension
*) extensions
[i
];
565 assert(dri2_dpy
->swrast
);
566 if (!dri2_bind_extensions(dri2_dpy
, swrast_core_extensions
, extensions
))
567 goto cleanup_dri_screen
;
570 dri2_setup_screen(disp
);
575 dri2_dpy
->core
->destroyScreen(dri2_dpy
->dri_screen
);
581 * Called via eglInitialize(), GLX_drv->API.Initialize().
584 dri2_initialize(_EGLDriver
*drv
, _EGLDisplay
*disp
)
586 /* not until swrast_dri is supported */
587 if (disp
->Options
.UseFallback
)
590 switch (disp
->Platform
) {
591 #ifdef HAVE_X11_PLATFORM
592 case _EGL_PLATFORM_X11
:
593 if (disp
->Options
.TestOnly
)
595 return dri2_initialize_x11(drv
, disp
);
599 #ifdef HAVE_DRM_PLATFORM
600 case _EGL_PLATFORM_DRM
:
601 if (disp
->Options
.TestOnly
)
603 return dri2_initialize_drm(drv
, disp
);
605 #ifdef HAVE_WAYLAND_PLATFORM
606 case _EGL_PLATFORM_WAYLAND
:
607 if (disp
->Options
.TestOnly
)
609 return dri2_initialize_wayland(drv
, disp
);
612 #ifdef HAVE_ANDROID_PLATFORM
613 case _EGL_PLATFORM_ANDROID
:
614 if (disp
->Options
.TestOnly
)
616 return dri2_initialize_android(drv
, disp
);
625 * Called via eglTerminate(), drv->API.Terminate().
628 dri2_terminate(_EGLDriver
*drv
, _EGLDisplay
*disp
)
630 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
632 _eglReleaseDisplayResources(drv
, disp
);
633 _eglCleanupDisplay(disp
);
635 if (dri2_dpy
->own_dri_screen
)
636 dri2_dpy
->core
->destroyScreen(dri2_dpy
->dri_screen
);
639 if (dri2_dpy
->driver
)
640 dlclose(dri2_dpy
->driver
);
641 free(dri2_dpy
->device_name
);
643 if (disp
->PlatformDisplay
== NULL
) {
644 switch (disp
->Platform
) {
645 #ifdef HAVE_X11_PLATFORM
646 case _EGL_PLATFORM_X11
:
647 xcb_disconnect(dri2_dpy
->conn
);
650 #ifdef HAVE_DRM_PLATFORM
651 case _EGL_PLATFORM_DRM
:
652 if (dri2_dpy
->own_device
) {
653 gbm_device_destroy(&dri2_dpy
->gbm_dri
->base
.base
);
663 disp
->DriverData
= NULL
;
669 * Set the error code after a call to
670 * dri2_egl_display::dri2::createContextAttribs.
673 dri2_create_context_attribs_error(int dri_error
)
678 case __DRI_CTX_ERROR_SUCCESS
:
681 case __DRI_CTX_ERROR_NO_MEMORY
:
682 egl_error
= EGL_BAD_ALLOC
;
685 /* From the EGL_KHR_create_context spec, section "Errors":
687 * * If <config> does not support a client API context compatible
688 * with the requested API major and minor version, [...] context flags,
689 * and context reset notification behavior (for client API types where
690 * these attributes are supported), then an EGL_BAD_MATCH error is
693 * * If an OpenGL ES context is requested and the values for
694 * attributes EGL_CONTEXT_MAJOR_VERSION_KHR and
695 * EGL_CONTEXT_MINOR_VERSION_KHR specify an OpenGL ES version that
696 * is not defined, than an EGL_BAD_MATCH error is generated.
698 * * If an OpenGL context is requested, the requested version is
699 * greater than 3.2, and the value for attribute
700 * EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR has no bits set; has any
701 * bits set other than EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR and
702 * EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR; has more than
703 * one of these bits set; or if the implementation does not support
704 * the requested profile, then an EGL_BAD_MATCH error is generated.
706 case __DRI_CTX_ERROR_BAD_API
:
707 case __DRI_CTX_ERROR_BAD_VERSION
:
708 case __DRI_CTX_ERROR_BAD_FLAG
:
709 egl_error
= EGL_BAD_MATCH
;
712 /* From the EGL_KHR_create_context spec, section "Errors":
714 * * If an attribute name or attribute value in <attrib_list> is not
715 * recognized (including unrecognized bits in bitmask attributes),
716 * then an EGL_BAD_ATTRIBUTE error is generated."
718 case __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE
:
719 case __DRI_CTX_ERROR_UNKNOWN_FLAG
:
720 egl_error
= EGL_BAD_ATTRIBUTE
;
725 egl_error
= EGL_BAD_MATCH
;
729 _eglError(egl_error
, "dri2_create_context");
733 * Called via eglCreateContext(), drv->API.CreateContext().
736 dri2_create_context(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLConfig
*conf
,
737 _EGLContext
*share_list
, const EGLint
*attrib_list
)
739 struct dri2_egl_context
*dri2_ctx
;
740 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
741 struct dri2_egl_context
*dri2_ctx_shared
= dri2_egl_context(share_list
);
742 __DRIcontext
*shared
=
743 dri2_ctx_shared
? dri2_ctx_shared
->dri_context
: NULL
;
744 struct dri2_egl_config
*dri2_config
= dri2_egl_config(conf
);
745 const __DRIconfig
*dri_config
;
750 dri2_ctx
= malloc(sizeof *dri2_ctx
);
752 _eglError(EGL_BAD_ALLOC
, "eglCreateContext");
756 if (!_eglInitContext(&dri2_ctx
->base
, disp
, conf
, attrib_list
))
759 switch (dri2_ctx
->base
.ClientAPI
) {
760 case EGL_OPENGL_ES_API
:
761 switch (dri2_ctx
->base
.ClientMajorVersion
) {
763 api
= __DRI_API_GLES
;
766 api
= __DRI_API_GLES2
;
769 api
= __DRI_API_GLES3
;
772 _eglError(EGL_BAD_PARAMETER
, "eglCreateContext");
777 if ((dri2_ctx
->base
.ClientMajorVersion
>= 4
778 || (dri2_ctx
->base
.ClientMajorVersion
== 3
779 && dri2_ctx
->base
.ClientMinorVersion
>= 2))
780 && dri2_ctx
->base
.Profile
== EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR
)
781 api
= __DRI_API_OPENGL_CORE
;
783 api
= __DRI_API_OPENGL
;
786 _eglError(EGL_BAD_PARAMETER
, "eglCreateContext");
792 /* The config chosen here isn't necessarily
793 * used for surfaces later.
794 * A pixmap surface will use the single config.
795 * This opportunity depends on disabling the
796 * doubleBufferMode check in
797 * src/mesa/main/context.c:check_compatible()
799 if (dri2_config
->dri_double_config
)
800 dri_config
= dri2_config
->dri_double_config
;
802 dri_config
= dri2_config
->dri_single_config
;
804 /* EGL_WINDOW_BIT is set only when there is a dri_double_config. This
805 * makes sure the back buffer will always be used.
807 if (conf
->SurfaceType
& EGL_WINDOW_BIT
)
808 dri2_ctx
->base
.WindowRenderBuffer
= EGL_BACK_BUFFER
;
813 if (dri2_dpy
->dri2
) {
814 if (dri2_dpy
->dri2
->base
.version
>= 3) {
816 unsigned num_attribs
= 0;
817 uint32_t ctx_attribs
[8];
819 ctx_attribs
[num_attribs
++] = __DRI_CTX_ATTRIB_MAJOR_VERSION
;
820 ctx_attribs
[num_attribs
++] = dri2_ctx
->base
.ClientMajorVersion
;
821 ctx_attribs
[num_attribs
++] = __DRI_CTX_ATTRIB_MINOR_VERSION
;
822 ctx_attribs
[num_attribs
++] = dri2_ctx
->base
.ClientMinorVersion
;
824 if (dri2_ctx
->base
.Flags
!= 0) {
825 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
826 * extension, don't even try to send it the robust-access flag.
827 * It may explode. Instead, generate the required EGL error here.
829 if ((dri2_ctx
->base
.Flags
& EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR
) != 0
830 && !dri2_dpy
->robustness
) {
831 _eglError(EGL_BAD_MATCH
, "eglCreateContext");
835 ctx_attribs
[num_attribs
++] = __DRI_CTX_ATTRIB_FLAGS
;
836 ctx_attribs
[num_attribs
++] = dri2_ctx
->base
.Flags
;
839 if (dri2_ctx
->base
.ResetNotificationStrategy
!= EGL_NO_RESET_NOTIFICATION_KHR
) {
840 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
841 * extension, don't even try to send it a reset strategy. It may
842 * explode. Instead, generate the required EGL error here.
844 if (!dri2_dpy
->robustness
) {
845 _eglError(EGL_BAD_CONFIG
, "eglCreateContext");
849 ctx_attribs
[num_attribs
++] = __DRI_CTX_ATTRIB_RESET_STRATEGY
;
850 ctx_attribs
[num_attribs
++] = __DRI_CTX_RESET_LOSE_CONTEXT
;
853 assert(num_attribs
<= ARRAY_SIZE(ctx_attribs
));
855 dri2_ctx
->dri_context
=
856 dri2_dpy
->dri2
->createContextAttribs(dri2_dpy
->dri_screen
,
864 dri2_create_context_attribs_error(error
);
866 dri2_ctx
->dri_context
=
867 dri2_dpy
->dri2
->createNewContextForAPI(dri2_dpy
->dri_screen
,
874 assert(dri2_dpy
->swrast
);
875 dri2_ctx
->dri_context
=
876 dri2_dpy
->swrast
->createNewContextForAPI(dri2_dpy
->dri_screen
,
883 if (!dri2_ctx
->dri_context
)
886 return &dri2_ctx
->base
;
894 * Called via eglDestroyContext(), drv->API.DestroyContext().
897 dri2_destroy_context(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLContext
*ctx
)
899 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
900 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
902 if (_eglPutContext(ctx
)) {
903 dri2_dpy
->core
->destroyContext(dri2_ctx
->dri_context
);
911 * Called via eglMakeCurrent(), drv->API.MakeCurrent().
914 dri2_make_current(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*dsurf
,
915 _EGLSurface
*rsurf
, _EGLContext
*ctx
)
917 struct dri2_egl_driver
*dri2_drv
= dri2_egl_driver(drv
);
918 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
919 struct dri2_egl_surface
*dri2_dsurf
= dri2_egl_surface(dsurf
);
920 struct dri2_egl_surface
*dri2_rsurf
= dri2_egl_surface(rsurf
);
921 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
922 _EGLContext
*old_ctx
;
923 _EGLSurface
*old_dsurf
, *old_rsurf
;
924 __DRIdrawable
*ddraw
, *rdraw
;
927 /* make new bindings */
928 if (!_eglBindContext(ctx
, dsurf
, rsurf
, &old_ctx
, &old_dsurf
, &old_rsurf
))
931 /* flush before context switch */
932 if (old_ctx
&& dri2_drv
->glFlush
)
935 ddraw
= (dri2_dsurf
) ? dri2_dsurf
->dri_drawable
: NULL
;
936 rdraw
= (dri2_rsurf
) ? dri2_rsurf
->dri_drawable
: NULL
;
937 cctx
= (dri2_ctx
) ? dri2_ctx
->dri_context
: NULL
;
940 __DRIcontext
*old_cctx
= dri2_egl_context(old_ctx
)->dri_context
;
941 dri2_dpy
->core
->unbindContext(old_cctx
);
944 if ((cctx
== NULL
&& ddraw
== NULL
&& rdraw
== NULL
) ||
945 dri2_dpy
->core
->bindContext(cctx
, ddraw
, rdraw
)) {
947 drv
->API
.DestroySurface(drv
, disp
, old_dsurf
);
949 drv
->API
.DestroySurface(drv
, disp
, old_rsurf
);
951 drv
->API
.DestroyContext(drv
, disp
, old_ctx
);
955 /* undo the previous _eglBindContext */
956 _eglBindContext(old_ctx
, old_dsurf
, old_rsurf
, &ctx
, &dsurf
, &rsurf
);
957 assert(&dri2_ctx
->base
== ctx
&&
958 &dri2_dsurf
->base
== dsurf
&&
959 &dri2_rsurf
->base
== rsurf
);
961 _eglPutSurface(dsurf
);
962 _eglPutSurface(rsurf
);
965 _eglPutSurface(old_dsurf
);
966 _eglPutSurface(old_rsurf
);
967 _eglPutContext(old_ctx
);
974 * Called from eglGetProcAddress() via drv->API.GetProcAddress().
977 dri2_get_proc_address(_EGLDriver
*drv
, const char *procname
)
979 struct dri2_egl_driver
*dri2_drv
= dri2_egl_driver(drv
);
981 return dri2_drv
->get_proc_address(procname
);
985 dri2_wait_client(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLContext
*ctx
)
987 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
988 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(ctx
->DrawSurface
);
992 /* FIXME: If EGL allows frontbuffer rendering for window surfaces,
993 * we need to copy fake to real here.*/
995 if (dri2_dpy
->flush
!= NULL
)
996 dri2_dpy
->flush
->flush(dri2_surf
->dri_drawable
);
1002 dri2_wait_native(_EGLDriver
*drv
, _EGLDisplay
*disp
, EGLint engine
)
1007 if (engine
!= EGL_CORE_NATIVE_ENGINE
)
1008 return _eglError(EGL_BAD_PARAMETER
, "eglWaitNative");
1015 dri2_bind_tex_image(_EGLDriver
*drv
,
1016 _EGLDisplay
*disp
, _EGLSurface
*surf
, EGLint buffer
)
1018 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1019 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
1020 struct dri2_egl_context
*dri2_ctx
;
1022 GLint format
, target
;
1024 ctx
= _eglGetCurrentContext();
1025 dri2_ctx
= dri2_egl_context(ctx
);
1027 if (!_eglBindTexImage(drv
, disp
, surf
, buffer
))
1030 switch (dri2_surf
->base
.TextureFormat
) {
1031 case EGL_TEXTURE_RGB
:
1032 format
= __DRI_TEXTURE_FORMAT_RGB
;
1034 case EGL_TEXTURE_RGBA
:
1035 format
= __DRI_TEXTURE_FORMAT_RGBA
;
1041 switch (dri2_surf
->base
.TextureTarget
) {
1042 case EGL_TEXTURE_2D
:
1043 target
= GL_TEXTURE_2D
;
1049 (*dri2_dpy
->tex_buffer
->setTexBuffer2
)(dri2_ctx
->dri_context
,
1051 dri2_surf
->dri_drawable
);
1057 dri2_release_tex_image(_EGLDriver
*drv
,
1058 _EGLDisplay
*disp
, _EGLSurface
*surf
, EGLint buffer
)
1060 #if __DRI_TEX_BUFFER_VERSION >= 3
1061 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1062 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
1063 struct dri2_egl_context
*dri2_ctx
;
1067 ctx
= _eglGetCurrentContext();
1068 dri2_ctx
= dri2_egl_context(ctx
);
1070 if (!_eglReleaseTexImage(drv
, disp
, surf
, buffer
))
1073 switch (dri2_surf
->base
.TextureTarget
) {
1074 case EGL_TEXTURE_2D
:
1075 target
= GL_TEXTURE_2D
;
1080 if (dri2_dpy
->tex_buffer
->releaseTexBuffer
!=NULL
)
1081 (*dri2_dpy
->tex_buffer
->releaseTexBuffer
)(dri2_ctx
->dri_context
,
1083 dri2_surf
->dri_drawable
);
1090 dri2_create_image(_EGLDisplay
*disp
, __DRIimage
*dri_image
)
1092 struct dri2_egl_image
*dri2_img
;
1094 if (dri_image
== NULL
) {
1095 _eglError(EGL_BAD_ALLOC
, "dri2_create_image");
1099 dri2_img
= malloc(sizeof *dri2_img
);
1101 _eglError(EGL_BAD_ALLOC
, "dri2_create_image");
1105 if (!_eglInitImage(&dri2_img
->base
, disp
)) {
1110 dri2_img
->dri_image
= dri_image
;
1112 return &dri2_img
->base
;
1116 dri2_create_image_khr_renderbuffer(_EGLDisplay
*disp
, _EGLContext
*ctx
,
1117 EGLClientBuffer buffer
,
1118 const EGLint
*attr_list
)
1120 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1121 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
1122 GLuint renderbuffer
= (GLuint
) (uintptr_t) buffer
;
1123 __DRIimage
*dri_image
;
1125 if (renderbuffer
== 0) {
1126 _eglError(EGL_BAD_PARAMETER
, "dri2_create_image_khr");
1127 return EGL_NO_IMAGE_KHR
;
1131 dri2_dpy
->image
->createImageFromRenderbuffer(dri2_ctx
->dri_context
,
1132 renderbuffer
, NULL
);
1134 return dri2_create_image(disp
, dri_image
);
1138 dri2_create_image_mesa_drm_buffer(_EGLDisplay
*disp
, _EGLContext
*ctx
,
1139 EGLClientBuffer buffer
, const EGLint
*attr_list
)
1141 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1142 EGLint format
, name
, pitch
, err
;
1143 _EGLImageAttribs attrs
;
1144 __DRIimage
*dri_image
;
1146 name
= (EGLint
) (uintptr_t) buffer
;
1148 err
= _eglParseImageAttribList(&attrs
, disp
, attr_list
);
1149 if (err
!= EGL_SUCCESS
)
1152 if (attrs
.Width
<= 0 || attrs
.Height
<= 0 ||
1153 attrs
.DRMBufferStrideMESA
<= 0) {
1154 _eglError(EGL_BAD_PARAMETER
,
1155 "bad width, height or stride");
1159 switch (attrs
.DRMBufferFormatMESA
) {
1160 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA
:
1161 format
= __DRI_IMAGE_FORMAT_ARGB8888
;
1162 pitch
= attrs
.DRMBufferStrideMESA
;
1165 _eglError(EGL_BAD_PARAMETER
,
1166 "dri2_create_image_khr: unsupported pixmap depth");
1171 dri2_dpy
->image
->createImageFromName(dri2_dpy
->dri_screen
,
1179 return dri2_create_image(disp
, dri_image
);
1182 #ifdef HAVE_WAYLAND_PLATFORM
1184 /* This structure describes how a wl_buffer maps to one or more
1185 * __DRIimages. A wl_drm_buffer stores the wl_drm format code and the
1186 * offsets and strides of the planes in the buffer. This table maps a
1187 * wl_drm format code to a description of the planes in the buffer
1188 * that lets us create a __DRIimage for each of the planes. */
1190 static const struct wl_drm_components_descriptor
{
1191 uint32_t dri_components
;
1194 } wl_drm_components
[] = {
1195 { __DRI_IMAGE_COMPONENTS_RGB
, EGL_TEXTURE_RGB
, 1 },
1196 { __DRI_IMAGE_COMPONENTS_RGBA
, EGL_TEXTURE_RGBA
, 1 },
1197 { __DRI_IMAGE_COMPONENTS_Y_U_V
, EGL_TEXTURE_Y_U_V_WL
, 3 },
1198 { __DRI_IMAGE_COMPONENTS_Y_UV
, EGL_TEXTURE_Y_UV_WL
, 2 },
1199 { __DRI_IMAGE_COMPONENTS_Y_XUXV
, EGL_TEXTURE_Y_XUXV_WL
, 2 },
1203 dri2_create_image_wayland_wl_buffer(_EGLDisplay
*disp
, _EGLContext
*ctx
,
1204 EGLClientBuffer _buffer
,
1205 const EGLint
*attr_list
)
1207 struct wl_drm_buffer
*buffer
;
1208 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1209 const struct wl_drm_components_descriptor
*f
;
1210 __DRIimage
*dri_image
;
1211 _EGLImageAttribs attrs
;
1215 buffer
= wayland_drm_buffer_get((struct wl_resource
*) _buffer
);
1219 err
= _eglParseImageAttribList(&attrs
, disp
, attr_list
);
1220 plane
= attrs
.PlaneWL
;
1221 if (err
!= EGL_SUCCESS
) {
1222 _eglError(EGL_BAD_PARAMETER
, "dri2_create_image_wayland_wl_buffer");
1226 f
= buffer
->driver_format
;
1227 if (plane
< 0 || plane
>= f
->nplanes
) {
1228 _eglError(EGL_BAD_PARAMETER
,
1229 "dri2_create_image_wayland_wl_buffer (plane out of bounds)");
1233 dri_image
= dri2_dpy
->image
->fromPlanar(buffer
->driver_buffer
, plane
, NULL
);
1235 if (dri_image
== NULL
) {
1236 _eglError(EGL_BAD_PARAMETER
, "dri2_create_image_wayland_wl_buffer");
1240 return dri2_create_image(disp
, dri_image
);
1245 * Set the error code after a call to
1246 * dri2_egl_image::dri_image::createImageFromTexture.
1249 dri2_create_image_khr_texture_error(int dri_error
)
1253 switch (dri_error
) {
1254 case __DRI_IMAGE_ERROR_SUCCESS
:
1257 case __DRI_IMAGE_ERROR_BAD_ALLOC
:
1258 egl_error
= EGL_BAD_ALLOC
;
1261 case __DRI_IMAGE_ERROR_BAD_MATCH
:
1262 egl_error
= EGL_BAD_MATCH
;
1265 case __DRI_IMAGE_ERROR_BAD_PARAMETER
:
1266 egl_error
= EGL_BAD_PARAMETER
;
1271 egl_error
= EGL_BAD_MATCH
;
1275 _eglError(egl_error
, "dri2_create_image_khr_texture");
1279 dri2_create_image_khr_texture(_EGLDisplay
*disp
, _EGLContext
*ctx
,
1281 EGLClientBuffer buffer
,
1282 const EGLint
*attr_list
)
1284 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1285 struct dri2_egl_context
*dri2_ctx
= dri2_egl_context(ctx
);
1286 struct dri2_egl_image
*dri2_img
;
1287 GLuint texture
= (GLuint
) (uintptr_t) buffer
;
1288 _EGLImageAttribs attrs
;
1294 _eglError(EGL_BAD_PARAMETER
, "dri2_create_image_khr");
1295 return EGL_NO_IMAGE_KHR
;
1298 if (_eglParseImageAttribList(&attrs
, disp
, attr_list
) != EGL_SUCCESS
)
1299 return EGL_NO_IMAGE_KHR
;
1302 case EGL_GL_TEXTURE_2D_KHR
:
1304 gl_target
= GL_TEXTURE_2D
;
1306 case EGL_GL_TEXTURE_3D_KHR
:
1307 depth
= attrs
.GLTextureZOffset
;
1308 gl_target
= GL_TEXTURE_3D
;
1310 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR
:
1311 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR
:
1312 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR
:
1313 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR
:
1314 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR
:
1315 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR
:
1316 depth
= target
- EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR
;
1317 gl_target
= GL_TEXTURE_CUBE_MAP
;
1320 _eglError(EGL_BAD_PARAMETER
, "dri2_create_image_khr");
1321 return EGL_NO_IMAGE_KHR
;
1324 dri2_img
= malloc(sizeof *dri2_img
);
1326 _eglError(EGL_BAD_ALLOC
, "dri2_create_image_khr");
1327 return EGL_NO_IMAGE_KHR
;
1330 if (!_eglInitImage(&dri2_img
->base
, disp
)) {
1331 _eglError(EGL_BAD_ALLOC
, "dri2_create_image_khr");
1333 return EGL_NO_IMAGE_KHR
;
1336 dri2_img
->dri_image
=
1337 dri2_dpy
->image
->createImageFromTexture(dri2_ctx
->dri_context
,
1341 attrs
.GLTextureLevel
,
1344 dri2_create_image_khr_texture_error(error
);
1346 if (!dri2_img
->dri_image
) {
1348 return EGL_NO_IMAGE_KHR
;
1350 return &dri2_img
->base
;
1354 dri2_check_dma_buf_attribs(const _EGLImageAttribs
*attrs
)
1361 * "Required attributes and their values are as follows:
1363 * * EGL_WIDTH & EGL_HEIGHT: The logical dimensions of the buffer in pixels
1365 * * EGL_LINUX_DRM_FOURCC_EXT: The pixel format of the buffer, as specified
1366 * by drm_fourcc.h and used as the pixel_format parameter of the
1367 * drm_mode_fb_cmd2 ioctl."
1371 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
1372 * incomplete, EGL_BAD_PARAMETER is generated."
1374 if (attrs
->Width
<= 0 || attrs
->Height
<= 0 ||
1375 !attrs
->DMABufFourCC
.IsPresent
) {
1376 _eglError(EGL_BAD_PARAMETER
, "attribute(s) missing");
1383 * "If <target> is EGL_LINUX_DMA_BUF_EXT and one or more of the values
1384 * specified for a plane's pitch or offset isn't supported by EGL,
1385 * EGL_BAD_ACCESS is generated."
1387 for (i
= 0; i
< ARRAY_SIZE(attrs
->DMABufPlanePitches
); ++i
) {
1388 if (attrs
->DMABufPlanePitches
[i
].IsPresent
&&
1389 attrs
->DMABufPlanePitches
[i
].Value
<= 0) {
1390 _eglError(EGL_BAD_ACCESS
, "invalid pitch");
1398 /* Returns the total number of file descriptors. Zero indicates an error. */
1400 dri2_check_dma_buf_format(const _EGLImageAttribs
*attrs
)
1402 unsigned i
, plane_n
;
1404 switch (attrs
->DMABufFourCC
.Value
) {
1405 case DRM_FORMAT_RGB332
:
1406 case DRM_FORMAT_BGR233
:
1407 case DRM_FORMAT_XRGB4444
:
1408 case DRM_FORMAT_XBGR4444
:
1409 case DRM_FORMAT_RGBX4444
:
1410 case DRM_FORMAT_BGRX4444
:
1411 case DRM_FORMAT_ARGB4444
:
1412 case DRM_FORMAT_ABGR4444
:
1413 case DRM_FORMAT_RGBA4444
:
1414 case DRM_FORMAT_BGRA4444
:
1415 case DRM_FORMAT_XRGB1555
:
1416 case DRM_FORMAT_XBGR1555
:
1417 case DRM_FORMAT_RGBX5551
:
1418 case DRM_FORMAT_BGRX5551
:
1419 case DRM_FORMAT_ARGB1555
:
1420 case DRM_FORMAT_ABGR1555
:
1421 case DRM_FORMAT_RGBA5551
:
1422 case DRM_FORMAT_BGRA5551
:
1423 case DRM_FORMAT_RGB565
:
1424 case DRM_FORMAT_BGR565
:
1425 case DRM_FORMAT_RGB888
:
1426 case DRM_FORMAT_BGR888
:
1427 case DRM_FORMAT_XRGB8888
:
1428 case DRM_FORMAT_XBGR8888
:
1429 case DRM_FORMAT_RGBX8888
:
1430 case DRM_FORMAT_BGRX8888
:
1431 case DRM_FORMAT_ARGB8888
:
1432 case DRM_FORMAT_ABGR8888
:
1433 case DRM_FORMAT_RGBA8888
:
1434 case DRM_FORMAT_BGRA8888
:
1435 case DRM_FORMAT_XRGB2101010
:
1436 case DRM_FORMAT_XBGR2101010
:
1437 case DRM_FORMAT_RGBX1010102
:
1438 case DRM_FORMAT_BGRX1010102
:
1439 case DRM_FORMAT_ARGB2101010
:
1440 case DRM_FORMAT_ABGR2101010
:
1441 case DRM_FORMAT_RGBA1010102
:
1442 case DRM_FORMAT_BGRA1010102
:
1443 case DRM_FORMAT_YUYV
:
1444 case DRM_FORMAT_YVYU
:
1445 case DRM_FORMAT_UYVY
:
1446 case DRM_FORMAT_VYUY
:
1449 case DRM_FORMAT_NV12
:
1450 case DRM_FORMAT_NV21
:
1451 case DRM_FORMAT_NV16
:
1452 case DRM_FORMAT_NV61
:
1455 case DRM_FORMAT_YUV410
:
1456 case DRM_FORMAT_YVU410
:
1457 case DRM_FORMAT_YUV411
:
1458 case DRM_FORMAT_YVU411
:
1459 case DRM_FORMAT_YUV420
:
1460 case DRM_FORMAT_YVU420
:
1461 case DRM_FORMAT_YUV422
:
1462 case DRM_FORMAT_YVU422
:
1463 case DRM_FORMAT_YUV444
:
1464 case DRM_FORMAT_YVU444
:
1468 _eglError(EGL_BAD_ATTRIBUTE
, "invalid format");
1475 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
1476 * incomplete, EGL_BAD_PARAMETER is generated."
1478 for (i
= 0; i
< plane_n
; ++i
) {
1479 if (!attrs
->DMABufPlaneFds
[i
].IsPresent
||
1480 !attrs
->DMABufPlaneOffsets
[i
].IsPresent
||
1481 !attrs
->DMABufPlanePitches
[i
].IsPresent
) {
1482 _eglError(EGL_BAD_PARAMETER
, "plane attribute(s) missing");
1488 * The spec also says:
1490 * "If <target> is EGL_LINUX_DMA_BUF_EXT, and the EGL_LINUX_DRM_FOURCC_EXT
1491 * attribute indicates a single-plane format, EGL_BAD_ATTRIBUTE is
1492 * generated if any of the EGL_DMA_BUF_PLANE1_* or EGL_DMA_BUF_PLANE2_*
1493 * attributes are specified."
1495 for (i
= plane_n
; i
< 3; ++i
) {
1496 if (attrs
->DMABufPlaneFds
[i
].IsPresent
||
1497 attrs
->DMABufPlaneOffsets
[i
].IsPresent
||
1498 attrs
->DMABufPlanePitches
[i
].IsPresent
) {
1499 _eglError(EGL_BAD_ATTRIBUTE
, "too many plane attributes");
1510 * "If eglCreateImageKHR is successful for a EGL_LINUX_DMA_BUF_EXT target,
1511 * the EGL takes ownership of the file descriptor and is responsible for
1512 * closing it, which it may do at any time while the EGLDisplay is
1516 dri2_take_dma_buf_ownership(const int *fds
, unsigned num_fds
)
1518 int already_closed
[num_fds
];
1519 unsigned num_closed
= 0;
1522 for (i
= 0; i
< num_fds
; ++i
) {
1524 * The same file descriptor can be referenced multiple times in case more
1525 * than one plane is found in the same buffer, just with a different
1528 for (j
= 0; j
< num_closed
; ++j
) {
1529 if (already_closed
[j
] == fds
[i
])
1533 if (j
== num_closed
) {
1535 already_closed
[num_closed
++] = fds
[i
];
1541 dri2_create_image_dma_buf(_EGLDisplay
*disp
, _EGLContext
*ctx
,
1542 EGLClientBuffer buffer
, const EGLint
*attr_list
)
1544 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1547 _EGLImageAttribs attrs
;
1548 __DRIimage
*dri_image
;
1559 * ""* If <target> is EGL_LINUX_DMA_BUF_EXT and <buffer> is not NULL, the
1560 * error EGL_BAD_PARAMETER is generated."
1562 if (buffer
!= NULL
) {
1563 _eglError(EGL_BAD_PARAMETER
, "buffer not NULL");
1567 err
= _eglParseImageAttribList(&attrs
, disp
, attr_list
);
1568 if (err
!= EGL_SUCCESS
) {
1569 _eglError(err
, "bad attribute");
1573 if (!dri2_check_dma_buf_attribs(&attrs
))
1576 num_fds
= dri2_check_dma_buf_format(&attrs
);
1580 for (i
= 0; i
< num_fds
; ++i
) {
1581 fds
[i
] = attrs
.DMABufPlaneFds
[i
].Value
;
1582 pitches
[i
] = attrs
.DMABufPlanePitches
[i
].Value
;
1583 offsets
[i
] = attrs
.DMABufPlaneOffsets
[i
].Value
;
1587 dri2_dpy
->image
->createImageFromDmaBufs(dri2_dpy
->dri_screen
,
1588 attrs
.Width
, attrs
.Height
, attrs
.DMABufFourCC
.Value
,
1589 fds
, num_fds
, pitches
, offsets
,
1590 attrs
.DMABufYuvColorSpaceHint
.Value
,
1591 attrs
.DMABufSampleRangeHint
.Value
,
1592 attrs
.DMABufChromaHorizontalSiting
.Value
,
1593 attrs
.DMABufChromaVerticalSiting
.Value
,
1596 dri2_create_image_khr_texture_error(error
);
1599 return EGL_NO_IMAGE_KHR
;
1601 res
= dri2_create_image(disp
, dri_image
);
1603 dri2_take_dma_buf_ownership(fds
, num_fds
);
1609 dri2_create_image_khr(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1610 _EGLContext
*ctx
, EGLenum target
,
1611 EGLClientBuffer buffer
, const EGLint
*attr_list
)
1616 case EGL_GL_TEXTURE_2D_KHR
:
1617 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR
:
1618 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR
:
1619 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR
:
1620 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR
:
1621 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR
:
1622 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR
:
1623 return dri2_create_image_khr_texture(disp
, ctx
, target
, buffer
, attr_list
);
1624 case EGL_GL_RENDERBUFFER_KHR
:
1625 return dri2_create_image_khr_renderbuffer(disp
, ctx
, buffer
, attr_list
);
1626 case EGL_DRM_BUFFER_MESA
:
1627 return dri2_create_image_mesa_drm_buffer(disp
, ctx
, buffer
, attr_list
);
1628 #ifdef HAVE_WAYLAND_PLATFORM
1629 case EGL_WAYLAND_BUFFER_WL
:
1630 return dri2_create_image_wayland_wl_buffer(disp
, ctx
, buffer
, attr_list
);
1632 case EGL_LINUX_DMA_BUF_EXT
:
1633 return dri2_create_image_dma_buf(disp
, ctx
, buffer
, attr_list
);
1635 _eglError(EGL_BAD_PARAMETER
, "dri2_create_image_khr");
1636 return EGL_NO_IMAGE_KHR
;
1641 dri2_destroy_image_khr(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLImage
*image
)
1643 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1644 struct dri2_egl_image
*dri2_img
= dri2_egl_image(image
);
1648 dri2_dpy
->image
->destroyImage(dri2_img
->dri_image
);
1655 dri2_create_drm_image_mesa(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1656 const EGLint
*attr_list
)
1658 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1659 struct dri2_egl_image
*dri2_img
;
1660 _EGLImageAttribs attrs
;
1661 unsigned int dri_use
, valid_mask
;
1663 EGLint err
= EGL_SUCCESS
;
1667 dri2_img
= malloc(sizeof *dri2_img
);
1669 _eglError(EGL_BAD_ALLOC
, "dri2_create_image_khr");
1670 return EGL_NO_IMAGE_KHR
;
1674 err
= EGL_BAD_PARAMETER
;
1678 if (!_eglInitImage(&dri2_img
->base
, disp
)) {
1679 err
= EGL_BAD_PARAMETER
;
1683 err
= _eglParseImageAttribList(&attrs
, disp
, attr_list
);
1684 if (err
!= EGL_SUCCESS
)
1687 if (attrs
.Width
<= 0 || attrs
.Height
<= 0) {
1688 _eglLog(_EGL_WARNING
, "bad width or height (%dx%d)",
1689 attrs
.Width
, attrs
.Height
);
1693 switch (attrs
.DRMBufferFormatMESA
) {
1694 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA
:
1695 format
= __DRI_IMAGE_FORMAT_ARGB8888
;
1698 _eglLog(_EGL_WARNING
, "bad image format value 0x%04x",
1699 attrs
.DRMBufferFormatMESA
);
1704 EGL_DRM_BUFFER_USE_SCANOUT_MESA
|
1705 EGL_DRM_BUFFER_USE_SHARE_MESA
|
1706 EGL_DRM_BUFFER_USE_CURSOR_MESA
;
1707 if (attrs
.DRMBufferUseMESA
& ~valid_mask
) {
1708 _eglLog(_EGL_WARNING
, "bad image use bit 0x%04x",
1709 attrs
.DRMBufferUseMESA
& ~valid_mask
);
1714 if (attrs
.DRMBufferUseMESA
& EGL_DRM_BUFFER_USE_SHARE_MESA
)
1715 dri_use
|= __DRI_IMAGE_USE_SHARE
;
1716 if (attrs
.DRMBufferUseMESA
& EGL_DRM_BUFFER_USE_SCANOUT_MESA
)
1717 dri_use
|= __DRI_IMAGE_USE_SCANOUT
;
1718 if (attrs
.DRMBufferUseMESA
& EGL_DRM_BUFFER_USE_CURSOR_MESA
)
1719 dri_use
|= __DRI_IMAGE_USE_CURSOR
;
1721 dri2_img
->dri_image
=
1722 dri2_dpy
->image
->createImage(dri2_dpy
->dri_screen
,
1723 attrs
.Width
, attrs
.Height
,
1724 format
, dri_use
, dri2_img
);
1725 if (dri2_img
->dri_image
== NULL
) {
1726 err
= EGL_BAD_ALLOC
;
1730 return &dri2_img
->base
;
1734 _eglError(err
, "dri2_create_drm_image_mesa");
1736 return EGL_NO_IMAGE_KHR
;
1740 dri2_export_drm_image_mesa(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLImage
*img
,
1741 EGLint
*name
, EGLint
*handle
, EGLint
*stride
)
1743 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1744 struct dri2_egl_image
*dri2_img
= dri2_egl_image(img
);
1748 if (name
&& !dri2_dpy
->image
->queryImage(dri2_img
->dri_image
,
1749 __DRI_IMAGE_ATTRIB_NAME
, name
)) {
1750 _eglError(EGL_BAD_ALLOC
, "dri2_export_drm_image_mesa");
1755 dri2_dpy
->image
->queryImage(dri2_img
->dri_image
,
1756 __DRI_IMAGE_ATTRIB_HANDLE
, handle
);
1759 dri2_dpy
->image
->queryImage(dri2_img
->dri_image
,
1760 __DRI_IMAGE_ATTRIB_STRIDE
, stride
);
1765 #ifdef HAVE_WAYLAND_PLATFORM
1768 dri2_wl_reference_buffer(void *user_data
, uint32_t name
, int fd
,
1769 struct wl_drm_buffer
*buffer
)
1771 _EGLDisplay
*disp
= user_data
;
1772 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1774 int i
, dri_components
= 0;
1777 img
= dri2_dpy
->image
->createImageFromNames(dri2_dpy
->dri_screen
,
1786 img
= dri2_dpy
->image
->createImageFromFds(dri2_dpy
->dri_screen
,
1798 dri2_dpy
->image
->queryImage(img
, __DRI_IMAGE_ATTRIB_COMPONENTS
, &dri_components
);
1800 buffer
->driver_format
= NULL
;
1801 for (i
= 0; i
< ARRAY_SIZE(wl_drm_components
); i
++)
1802 if (wl_drm_components
[i
].dri_components
== dri_components
)
1803 buffer
->driver_format
= &wl_drm_components
[i
];
1805 if (buffer
->driver_format
== NULL
)
1806 dri2_dpy
->image
->destroyImage(img
);
1808 buffer
->driver_buffer
= img
;
1812 dri2_wl_release_buffer(void *user_data
, struct wl_drm_buffer
*buffer
)
1814 _EGLDisplay
*disp
= user_data
;
1815 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1817 dri2_dpy
->image
->destroyImage(buffer
->driver_buffer
);
1820 static struct wayland_drm_callbacks wl_drm_callbacks
= {
1821 .authenticate
= NULL
,
1822 .reference_buffer
= dri2_wl_reference_buffer
,
1823 .release_buffer
= dri2_wl_release_buffer
1827 dri2_bind_wayland_display_wl(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1828 struct wl_display
*wl_dpy
)
1830 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1836 if (dri2_dpy
->wl_server_drm
)
1839 wl_drm_callbacks
.authenticate
=
1840 (int(*)(void *, uint32_t)) dri2_dpy
->authenticate
;
1842 ret
= drmGetCap(dri2_dpy
->fd
, DRM_CAP_PRIME
, &cap
);
1843 if (ret
== 0 && cap
== (DRM_PRIME_CAP_IMPORT
| DRM_PRIME_CAP_EXPORT
) &&
1844 dri2_dpy
->image
->base
.version
>= 7 &&
1845 dri2_dpy
->image
->createImageFromFds
!= NULL
)
1846 flags
|= WAYLAND_DRM_PRIME
;
1848 dri2_dpy
->wl_server_drm
=
1849 wayland_drm_init(wl_dpy
, dri2_dpy
->device_name
,
1850 &wl_drm_callbacks
, disp
, flags
);
1852 if (!dri2_dpy
->wl_server_drm
)
1859 dri2_unbind_wayland_display_wl(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1860 struct wl_display
*wl_dpy
)
1862 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1866 if (!dri2_dpy
->wl_server_drm
)
1869 wayland_drm_uninit(dri2_dpy
->wl_server_drm
);
1870 dri2_dpy
->wl_server_drm
= NULL
;
1876 dri2_query_wayland_buffer_wl(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1877 struct wl_resource
*buffer_resource
,
1878 EGLint attribute
, EGLint
*value
)
1880 struct wl_drm_buffer
*buffer
;
1881 const struct wl_drm_components_descriptor
*format
;
1883 buffer
= wayland_drm_buffer_get(buffer_resource
);
1887 format
= buffer
->driver_format
;
1888 switch (attribute
) {
1889 case EGL_TEXTURE_FORMAT
:
1890 *value
= format
->components
;
1893 *value
= buffer
->width
;
1896 *value
= buffer
->height
;
1905 dri2_unload(_EGLDriver
*drv
)
1907 struct dri2_egl_driver
*dri2_drv
= dri2_egl_driver(drv
);
1909 if (dri2_drv
->handle
)
1910 dlclose(dri2_drv
->handle
);
1915 dri2_load(_EGLDriver
*drv
)
1917 struct dri2_egl_driver
*dri2_drv
= dri2_egl_driver(drv
);
1918 #ifdef HAVE_SHARED_GLAPI
1919 #ifdef HAVE_ANDROID_PLATFORM
1920 const char *libname
= "libglapi.so";
1922 const char *libname
= "libglapi.so.0";
1926 * Both libGL.so and libglapi.so are glapi providers. There is no way to
1927 * tell which one to load.
1929 const char *libname
= NULL
;
1933 /* RTLD_GLOBAL to make sure glapi symbols are visible to DRI drivers */
1934 handle
= dlopen(libname
, RTLD_LAZY
| RTLD_GLOBAL
);
1936 dri2_drv
->get_proc_address
= (_EGLProc (*)(const char *))
1937 dlsym(handle
, "_glapi_get_proc_address");
1938 if (!dri2_drv
->get_proc_address
|| !libname
) {
1939 /* no need to keep a reference */
1945 /* if glapi is not available, loading DRI drivers will fail */
1946 if (!dri2_drv
->get_proc_address
) {
1947 _eglLog(_EGL_WARNING
, "DRI2: failed to find _glapi_get_proc_address");
1951 dri2_drv
->glFlush
= (void (*)(void))
1952 dri2_drv
->get_proc_address("glFlush");
1954 dri2_drv
->handle
= handle
;
1960 * This is the main entrypoint into the driver, called by libEGL.
1961 * Create a new _EGLDriver object and init its dispatch table.
1964 _eglBuiltInDriverDRI2(const char *args
)
1966 struct dri2_egl_driver
*dri2_drv
;
1970 dri2_drv
= calloc(1, sizeof *dri2_drv
);
1974 if (!dri2_load(&dri2_drv
->base
)) {
1979 _eglInitDriverFallbacks(&dri2_drv
->base
);
1980 dri2_drv
->base
.API
.Initialize
= dri2_initialize
;
1981 dri2_drv
->base
.API
.Terminate
= dri2_terminate
;
1982 dri2_drv
->base
.API
.CreateContext
= dri2_create_context
;
1983 dri2_drv
->base
.API
.DestroyContext
= dri2_destroy_context
;
1984 dri2_drv
->base
.API
.MakeCurrent
= dri2_make_current
;
1985 dri2_drv
->base
.API
.GetProcAddress
= dri2_get_proc_address
;
1986 dri2_drv
->base
.API
.WaitClient
= dri2_wait_client
;
1987 dri2_drv
->base
.API
.WaitNative
= dri2_wait_native
;
1988 dri2_drv
->base
.API
.BindTexImage
= dri2_bind_tex_image
;
1989 dri2_drv
->base
.API
.ReleaseTexImage
= dri2_release_tex_image
;
1990 dri2_drv
->base
.API
.CreateImageKHR
= dri2_create_image_khr
;
1991 dri2_drv
->base
.API
.DestroyImageKHR
= dri2_destroy_image_khr
;
1992 dri2_drv
->base
.API
.CreateDRMImageMESA
= dri2_create_drm_image_mesa
;
1993 dri2_drv
->base
.API
.ExportDRMImageMESA
= dri2_export_drm_image_mesa
;
1994 #ifdef HAVE_WAYLAND_PLATFORM
1995 dri2_drv
->base
.API
.BindWaylandDisplayWL
= dri2_bind_wayland_display_wl
;
1996 dri2_drv
->base
.API
.UnbindWaylandDisplayWL
= dri2_unbind_wayland_display_wl
;
1997 dri2_drv
->base
.API
.QueryWaylandBufferWL
= dri2_query_wayland_buffer_wl
;
2000 dri2_drv
->base
.Name
= "DRI2";
2001 dri2_drv
->base
.Unload
= dri2_unload
;
2003 return &dri2_drv
->base
;