2 * Mesa 3-D graphics library
5 * Copyright (C) 2009-2010 Chia-I Wu <olv@0xlab.org>
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included
15 * in all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
22 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
23 * DEALINGS IN THE SOFTWARE.
26 #include "egldriver.h"
27 #include "eglcurrent.h"
30 #include "pipe/p_screen.h"
31 #include "util/u_memory.h"
32 #include "util/u_format.h"
33 #include "util/u_string.h"
36 #include "egl_g3d_api.h"
37 #include "egl_g3d_st.h"
38 #include "egl_g3d_loader.h"
42 egl_g3d_invalid_surface(struct native_display
*ndpy
,
43 struct native_surface
*nsurf
,
46 /* XXX not thread safe? */
47 struct egl_g3d_surface
*gsurf
= egl_g3d_surface(nsurf
->user_data
);
48 struct egl_g3d_context
*gctx
;
51 * Some functions such as egl_g3d_copy_buffers create a temporary native
52 * surface. There is no gsurf associated with it.
54 gctx
= (gsurf
) ? egl_g3d_context(gsurf
->base
.CurrentContext
) : NULL
;
56 gctx
->stctxi
->notify_invalid_framebuffer(gctx
->stctxi
, gsurf
->stfbi
);
59 static struct pipe_screen
*
60 egl_g3d_new_drm_screen(struct native_display
*ndpy
, const char *name
, int fd
)
62 _EGLDisplay
*dpy
= (_EGLDisplay
*) ndpy
->user_data
;
63 struct egl_g3d_display
*gdpy
= egl_g3d_display(dpy
);
64 return gdpy
->loader
->create_drm_screen(name
, fd
);
67 static struct pipe_screen
*
68 egl_g3d_new_sw_screen(struct native_display
*ndpy
, struct sw_winsys
*ws
)
70 _EGLDisplay
*dpy
= (_EGLDisplay
*) ndpy
->user_data
;
71 struct egl_g3d_display
*gdpy
= egl_g3d_display(dpy
);
72 return gdpy
->loader
->create_sw_screen(ws
);
75 static struct native_event_handler egl_g3d_native_event_handler
= {
76 egl_g3d_invalid_surface
,
77 egl_g3d_new_drm_screen
,
82 * Get the native platform.
84 static const struct native_platform
*
85 egl_g3d_get_platform(_EGLDriver
*drv
, _EGLPlatformType plat
)
87 struct egl_g3d_driver
*gdrv
= egl_g3d_driver(drv
);
89 if (!gdrv
->platforms
[plat
]) {
90 const char *plat_name
= NULL
;
91 const struct native_platform
*nplat
= NULL
;
94 case _EGL_PLATFORM_WINDOWS
:
95 plat_name
= "Windows";
96 #ifdef HAVE_GDI_BACKEND
97 nplat
= native_get_gdi_platform();
100 case _EGL_PLATFORM_X11
:
102 #ifdef HAVE_X11_BACKEND
103 nplat
= native_get_x11_platform();
106 case _EGL_PLATFORM_WAYLAND
:
107 plat_name
= "wayland";
108 #ifdef HAVE_WAYLAND_BACKEND
109 nplat
= native_get_wayland_platform();
112 case _EGL_PLATFORM_DRM
:
114 #ifdef HAVE_DRM_BACKEND
115 nplat
= native_get_drm_platform();
118 case _EGL_PLATFORM_FBDEV
:
120 #ifdef HAVE_FBDEV_BACKEND
121 nplat
= native_get_fbdev_platform();
129 nplat
->set_event_handler(&egl_g3d_native_event_handler
);
131 _eglLog(_EGL_WARNING
, "unsupported platform %s", plat_name
);
133 gdrv
->platforms
[plat
] = nplat
;
136 return gdrv
->platforms
[plat
];
139 #ifdef EGL_MESA_screen_surface
142 egl_g3d_add_screens(_EGLDriver
*drv
, _EGLDisplay
*dpy
)
144 struct egl_g3d_display
*gdpy
= egl_g3d_display(dpy
);
145 const struct native_connector
**native_connectors
;
146 EGLint num_connectors
, i
;
149 gdpy
->native
->modeset
->get_connectors(gdpy
->native
, &num_connectors
, NULL
);
150 if (!num_connectors
) {
151 if (native_connectors
)
152 FREE(native_connectors
);
156 for (i
= 0; i
< num_connectors
; i
++) {
157 const struct native_connector
*nconn
= native_connectors
[i
];
158 struct egl_g3d_screen
*gscr
;
159 const struct native_mode
**native_modes
;
162 /* TODO support for hotplug */
164 gdpy
->native
->modeset
->get_modes(gdpy
->native
, nconn
, &num_modes
);
171 gscr
= CALLOC_STRUCT(egl_g3d_screen
);
177 _eglInitScreen(&gscr
->base
, dpy
, num_modes
);
178 for (j
= 0; j
< gscr
->base
.NumModes
; j
++) {
179 const struct native_mode
*nmode
= native_modes
[j
];
180 _EGLMode
*mode
= &gscr
->base
.Modes
[j
];
182 mode
->Width
= nmode
->width
;
183 mode
->Height
= nmode
->height
;
184 mode
->RefreshRate
= nmode
->refresh_rate
;
185 mode
->Optimal
= EGL_FALSE
;
186 mode
->Interlaced
= EGL_FALSE
;
187 /* no need to strdup() */
188 mode
->Name
= nmode
->desc
;
191 gscr
->native
= nconn
;
192 gscr
->native_modes
= native_modes
;
194 _eglLinkScreen(&gscr
->base
);
197 FREE(native_connectors
);
200 #endif /* EGL_MESA_screen_surface */
203 * Initialize and validate the EGL config attributes.
206 init_config_attributes(_EGLConfig
*conf
, const struct native_config
*nconf
,
207 EGLint api_mask
, enum pipe_format depth_stencil_format
,
208 EGLBoolean preserve_buffer
, EGLint max_swap_interval
)
210 uint rgba
[4], depth_stencil
[2], buffer_size
;
214 /* get the color and depth/stencil component sizes */
215 assert(nconf
->color_format
!= PIPE_FORMAT_NONE
);
217 for (i
= 0; i
< 4; i
++) {
218 rgba
[i
] = util_format_get_component_bits(nconf
->color_format
,
219 UTIL_FORMAT_COLORSPACE_RGB
, i
);
220 buffer_size
+= rgba
[i
];
222 for (i
= 0; i
< 2; i
++) {
223 if (depth_stencil_format
!= PIPE_FORMAT_NONE
) {
225 util_format_get_component_bits(depth_stencil_format
,
226 UTIL_FORMAT_COLORSPACE_ZS
, i
);
229 depth_stencil
[i
] = 0;
234 /* pixmap surfaces should be EGL_SINGLE_BUFFER */
235 if (nconf
->buffer_mask
& (1 << NATIVE_ATTACHMENT_FRONT_LEFT
)) {
236 if (nconf
->pixmap_bit
)
237 surface_type
|= EGL_PIXMAP_BIT
;
239 /* the others surfaces should be EGL_BACK_BUFFER (or settable) */
240 if (nconf
->buffer_mask
& (1 << NATIVE_ATTACHMENT_BACK_LEFT
)) {
241 if (nconf
->window_bit
)
242 surface_type
|= EGL_WINDOW_BIT
;
243 #ifdef EGL_MESA_screen_surface
244 if (nconf
->scanout_bit
)
245 surface_type
|= EGL_SCREEN_BIT_MESA
;
247 surface_type
|= EGL_PBUFFER_BIT
;
250 conf
->Conformant
= api_mask
;
251 conf
->RenderableType
= api_mask
;
253 conf
->RedSize
= rgba
[0];
254 conf
->GreenSize
= rgba
[1];
255 conf
->BlueSize
= rgba
[2];
256 conf
->AlphaSize
= rgba
[3];
257 conf
->BufferSize
= buffer_size
;
259 conf
->DepthSize
= depth_stencil
[0];
260 conf
->StencilSize
= depth_stencil
[1];
262 conf
->SurfaceType
= surface_type
;
264 conf
->NativeRenderable
= EGL_TRUE
;
265 if (surface_type
& EGL_WINDOW_BIT
) {
266 conf
->NativeVisualID
= nconf
->native_visual_id
;
267 conf
->NativeVisualType
= nconf
->native_visual_type
;
270 if (surface_type
& EGL_PBUFFER_BIT
) {
271 conf
->BindToTextureRGB
= EGL_TRUE
;
273 conf
->BindToTextureRGBA
= EGL_TRUE
;
275 conf
->MaxPbufferWidth
= 4096;
276 conf
->MaxPbufferHeight
= 4096;
277 conf
->MaxPbufferPixels
= 4096 * 4096;
280 conf
->Level
= nconf
->level
;
282 if (nconf
->transparent_rgb
) {
283 conf
->TransparentType
= EGL_TRANSPARENT_RGB
;
284 conf
->TransparentRedValue
= nconf
->transparent_rgb_values
[0];
285 conf
->TransparentGreenValue
= nconf
->transparent_rgb_values
[1];
286 conf
->TransparentBlueValue
= nconf
->transparent_rgb_values
[2];
289 conf
->MinSwapInterval
= 0;
290 conf
->MaxSwapInterval
= max_swap_interval
;
292 conf
->SurfaceType
|= EGL_SWAP_BEHAVIOR_PRESERVED_BIT
;
294 return _eglValidateConfig(conf
, EGL_FALSE
);
298 * Initialize an EGL config from the native config.
301 egl_g3d_init_config(_EGLDriver
*drv
, _EGLDisplay
*dpy
,
302 _EGLConfig
*conf
, const struct native_config
*nconf
,
303 enum pipe_format depth_stencil_format
,
304 int preserve_buffer
, int max_swap_interval
)
306 struct egl_g3d_config
*gconf
= egl_g3d_config(conf
);
311 if (nconf
->buffer_mask
& (1 << NATIVE_ATTACHMENT_FRONT_LEFT
))
312 buffer_mask
|= ST_ATTACHMENT_FRONT_LEFT_MASK
;
313 if (nconf
->buffer_mask
& (1 << NATIVE_ATTACHMENT_BACK_LEFT
))
314 buffer_mask
|= ST_ATTACHMENT_BACK_LEFT_MASK
;
315 if (nconf
->buffer_mask
& (1 << NATIVE_ATTACHMENT_FRONT_RIGHT
))
316 buffer_mask
|= ST_ATTACHMENT_FRONT_RIGHT_MASK
;
317 if (nconf
->buffer_mask
& (1 << NATIVE_ATTACHMENT_BACK_RIGHT
))
318 buffer_mask
|= ST_ATTACHMENT_BACK_RIGHT_MASK
;
320 gconf
->stvis
.buffer_mask
= buffer_mask
;
321 gconf
->stvis
.color_format
= nconf
->color_format
;
322 gconf
->stvis
.depth_stencil_format
= depth_stencil_format
;
323 gconf
->stvis
.accum_format
= PIPE_FORMAT_NONE
;
324 gconf
->stvis
.samples
= 0;
326 /* will be overridden per surface */
327 gconf
->stvis
.render_buffer
= (buffer_mask
& ST_ATTACHMENT_BACK_LEFT_MASK
) ?
328 ST_ATTACHMENT_BACK_LEFT
: ST_ATTACHMENT_FRONT_LEFT
;
330 valid
= init_config_attributes(&gconf
->base
,
331 nconf
, dpy
->ClientAPIs
, depth_stencil_format
,
332 preserve_buffer
, max_swap_interval
);
334 _eglLog(_EGL_DEBUG
, "skip invalid config 0x%x", nconf
->native_visual_id
);
338 gconf
->native
= nconf
;
344 * Get all interested depth/stencil formats of a display.
347 egl_g3d_fill_depth_stencil_formats(_EGLDisplay
*dpy
,
348 enum pipe_format formats
[8])
350 struct egl_g3d_display
*gdpy
= egl_g3d_display(dpy
);
351 struct pipe_screen
*screen
= gdpy
->native
->screen
;
352 const EGLint candidates
[] = {
353 1, PIPE_FORMAT_Z16_UNORM
,
354 1, PIPE_FORMAT_Z32_UNORM
,
355 2, PIPE_FORMAT_Z24_UNORM_S8_USCALED
, PIPE_FORMAT_S8_USCALED_Z24_UNORM
,
356 2, PIPE_FORMAT_Z24X8_UNORM
, PIPE_FORMAT_X8Z24_UNORM
,
359 const EGLint
*fmt
= candidates
;
363 formats
[count
++] = PIPE_FORMAT_NONE
;
366 EGLint i
, n
= *fmt
++;
368 /* pick the first supported format */
369 for (i
= 0; i
< n
; i
++) {
370 if (screen
->is_format_supported(screen
, fmt
[i
],
371 PIPE_TEXTURE_2D
, 0, PIPE_BIND_DEPTH_STENCIL
)) {
372 formats
[count
++] = fmt
[i
];
384 * Add configs to display and return the next config ID.
387 egl_g3d_add_configs(_EGLDriver
*drv
, _EGLDisplay
*dpy
, EGLint id
)
389 struct egl_g3d_display
*gdpy
= egl_g3d_display(dpy
);
390 const struct native_config
**native_configs
;
391 enum pipe_format depth_stencil_formats
[8];
392 int num_formats
, num_configs
, i
, j
;
393 int preserve_buffer
, max_swap_interval
;
395 native_configs
= gdpy
->native
->get_configs(gdpy
->native
, &num_configs
);
398 FREE(native_configs
);
403 gdpy
->native
->get_param(gdpy
->native
, NATIVE_PARAM_PRESERVE_BUFFER
);
405 gdpy
->native
->get_param(gdpy
->native
, NATIVE_PARAM_MAX_SWAP_INTERVAL
);
407 num_formats
= egl_g3d_fill_depth_stencil_formats(dpy
,
408 depth_stencil_formats
);
410 for (i
= 0; i
< num_configs
; i
++) {
411 for (j
= 0; j
< num_formats
; j
++) {
412 struct egl_g3d_config
*gconf
;
414 gconf
= CALLOC_STRUCT(egl_g3d_config
);
416 _eglInitConfig(&gconf
->base
, dpy
, id
);
417 if (!egl_g3d_init_config(drv
, dpy
, &gconf
->base
,
418 native_configs
[i
], depth_stencil_formats
[j
],
419 preserve_buffer
, max_swap_interval
)) {
424 _eglLinkConfig(&gconf
->base
);
430 FREE(native_configs
);
435 egl_g3d_free_config(void *conf
)
437 struct egl_g3d_config
*gconf
= egl_g3d_config((_EGLConfig
*) conf
);
442 egl_g3d_free_screen(void *scr
)
444 #ifdef EGL_MESA_screen_surface
445 struct egl_g3d_screen
*gscr
= egl_g3d_screen((_EGLScreen
*) scr
);
446 FREE(gscr
->native_modes
);
452 egl_g3d_terminate(_EGLDriver
*drv
, _EGLDisplay
*dpy
)
454 struct egl_g3d_display
*gdpy
= egl_g3d_display(dpy
);
456 _eglReleaseDisplayResources(drv
, dpy
);
459 _eglDestroyArray(dpy
->Configs
, egl_g3d_free_config
);
463 _eglDestroyArray(dpy
->Screens
, egl_g3d_free_screen
);
467 _eglCleanupDisplay(dpy
);
470 egl_g3d_destroy_st_manager(gdpy
->smapi
);
473 gdpy
->native
->destroy(gdpy
->native
);
476 dpy
->DriverData
= NULL
;
482 egl_g3d_initialize(_EGLDriver
*drv
, _EGLDisplay
*dpy
)
484 struct egl_g3d_driver
*gdrv
= egl_g3d_driver(drv
);
485 struct egl_g3d_display
*gdpy
;
486 const struct native_platform
*nplat
;
488 nplat
= egl_g3d_get_platform(drv
, dpy
->Platform
);
492 if (dpy
->Options
.TestOnly
)
495 gdpy
= CALLOC_STRUCT(egl_g3d_display
);
497 _eglError(EGL_BAD_ALLOC
, "eglInitialize");
500 gdpy
->loader
= gdrv
->loader
;
501 dpy
->DriverData
= gdpy
;
503 _eglLog(_EGL_INFO
, "use %s for display %p", nplat
->name
, dpy
->PlatformDisplay
);
504 gdpy
->native
= nplat
->create_display(dpy
->PlatformDisplay
,
505 dpy
->Options
.UseFallback
, (void *) dpy
);
507 _eglError(EGL_NOT_INITIALIZED
, "eglInitialize(no usable display)");
511 if (gdpy
->loader
->profile_masks
[ST_API_OPENGL
] & ST_PROFILE_DEFAULT_MASK
)
512 dpy
->ClientAPIs
|= EGL_OPENGL_BIT
;
513 if (gdpy
->loader
->profile_masks
[ST_API_OPENGL
] & ST_PROFILE_OPENGL_ES1_MASK
)
514 dpy
->ClientAPIs
|= EGL_OPENGL_ES_BIT
;
515 if (gdpy
->loader
->profile_masks
[ST_API_OPENGL
] & ST_PROFILE_OPENGL_ES2_MASK
)
516 dpy
->ClientAPIs
|= EGL_OPENGL_ES2_BIT
;
517 if (gdpy
->loader
->profile_masks
[ST_API_OPENVG
] & ST_PROFILE_DEFAULT_MASK
)
518 dpy
->ClientAPIs
|= EGL_OPENVG_BIT
;
520 gdpy
->smapi
= egl_g3d_create_st_manager(dpy
);
522 _eglError(EGL_NOT_INITIALIZED
,
523 "eglInitialize(failed to create st manager)");
527 #ifdef EGL_MESA_screen_surface
528 /* enable MESA_screen_surface before adding (and validating) configs */
529 if (gdpy
->native
->modeset
) {
530 dpy
->Extensions
.MESA_screen_surface
= EGL_TRUE
;
531 egl_g3d_add_screens(drv
, dpy
);
535 dpy
->Extensions
.KHR_image_base
= EGL_TRUE
;
536 if (gdpy
->native
->get_param(gdpy
->native
, NATIVE_PARAM_USE_NATIVE_BUFFER
))
537 dpy
->Extensions
.KHR_image_pixmap
= EGL_TRUE
;
539 dpy
->Extensions
.KHR_reusable_sync
= EGL_TRUE
;
540 dpy
->Extensions
.KHR_fence_sync
= EGL_TRUE
;
542 dpy
->Extensions
.KHR_surfaceless_gles1
= EGL_TRUE
;
543 dpy
->Extensions
.KHR_surfaceless_gles2
= EGL_TRUE
;
544 dpy
->Extensions
.KHR_surfaceless_opengl
= EGL_TRUE
;
546 if (dpy
->Platform
== _EGL_PLATFORM_DRM
) {
547 dpy
->Extensions
.MESA_drm_display
= EGL_TRUE
;
548 if (gdpy
->native
->buffer
)
549 dpy
->Extensions
.MESA_drm_image
= EGL_TRUE
;
552 if (dpy
->Platform
== _EGL_PLATFORM_WAYLAND
&& gdpy
->native
->buffer
)
553 dpy
->Extensions
.MESA_drm_image
= EGL_TRUE
;
555 if (egl_g3d_add_configs(drv
, dpy
, 1) == 1) {
556 _eglError(EGL_NOT_INITIALIZED
, "eglInitialize(unable to add configs)");
560 dpy
->VersionMajor
= 1;
561 dpy
->VersionMinor
= 4;
567 egl_g3d_terminate(drv
, dpy
);
572 egl_g3d_get_proc_address(_EGLDriver
*drv
, const char *procname
)
574 struct egl_g3d_driver
*gdrv
= egl_g3d_driver(drv
);
575 struct st_api
*stapi
= NULL
;
577 if (procname
&& procname
[0] == 'v' && procname
[1] == 'g')
578 stapi
= gdrv
->loader
->get_st_api(ST_API_OPENVG
);
579 else if (procname
&& procname
[0] == 'g' && procname
[1] == 'l')
580 stapi
= gdrv
->loader
->get_st_api(ST_API_OPENGL
);
582 return (_EGLProc
) ((stapi
) ?
583 stapi
->get_proc_address(stapi
, procname
) : NULL
);
587 egl_g3d_create_driver(const struct egl_g3d_loader
*loader
)
589 struct egl_g3d_driver
*gdrv
;
591 gdrv
= CALLOC_STRUCT(egl_g3d_driver
);
595 gdrv
->loader
= loader
;
597 egl_g3d_init_driver_api(&gdrv
->base
);
598 gdrv
->base
.API
.Initialize
= egl_g3d_initialize
;
599 gdrv
->base
.API
.Terminate
= egl_g3d_terminate
;
600 gdrv
->base
.API
.GetProcAddress
= egl_g3d_get_proc_address
;
602 /* to be filled by the caller */
603 gdrv
->base
.Name
= NULL
;
604 gdrv
->base
.Unload
= NULL
;
610 egl_g3d_destroy_driver(_EGLDriver
*drv
)
612 struct egl_g3d_driver
*gdrv
= egl_g3d_driver(drv
);