• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /*
2  * Copyright © 2011 Intel Corporation
3  *
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:
10  *
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
13  * Software.
14  *
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.
23  *
24  * Authors:
25  *    Kristian Høgsberg <krh@bitplanet.net>
26  */
27 
28 #ifndef EGL_DRI2_INCLUDED
29 #define EGL_DRI2_INCLUDED
30 
31 #include <stdint.h>
32 
33 #ifdef HAVE_X11_PLATFORM
34 #include <xcb/xcb.h>
35 #include <xcb/dri2.h>
36 #include <xcb/xfixes.h>
37 #include <X11/Xlib-xcb.h>
38 
39 #ifdef HAVE_DRI3
40 #include "loader_dri3_helper.h"
41 #endif
42 #endif
43 
44 #ifdef HAVE_WAYLAND_PLATFORM
45 #include <wayland-client.h>
46 #include "wayland-egl-priv.h"
47 #endif
48 
49 #include <GL/gl.h>
50 #include <GL/internal/dri_interface.h>
51 
52 #ifdef HAVE_DRM_PLATFORM
53 #include <gbm_driint.h>
54 #endif
55 
56 #ifdef HAVE_ANDROID_PLATFORM
57 #define LOG_TAG "EGL-DRI2"
58 
59 #include <system/window.h>
60 
61 #include "platform_android_gralloc_drm.h"
62 #include <hardware/gralloc.h>
63 #include <cutils/log.h>
64 
65 #endif /* HAVE_ANDROID_PLATFORM */
66 
67 #include "eglconfig.h"
68 #include "eglcontext.h"
69 #include "egldisplay.h"
70 #include "egldriver.h"
71 #include "eglcurrent.h"
72 #include "egllog.h"
73 #include "eglsurface.h"
74 #include "eglimage.h"
75 #include "eglsync.h"
76 
77 struct wl_buffer;
78 
79 struct dri2_egl_driver
80 {
81    _EGLDriver base;
82 
83    void *handle;
84    _EGLProc (*get_proc_address)(const char *procname);
85    void (*glFlush)(void);
86 };
87 
88 struct dri2_egl_display_vtbl {
89    int (*authenticate)(_EGLDisplay *disp, uint32_t id);
90 
91    _EGLSurface* (*create_window_surface)(_EGLDriver *drv, _EGLDisplay *dpy,
92                                          _EGLConfig *config,
93                                          void *native_window,
94                                          const EGLint *attrib_list);
95 
96    _EGLSurface* (*create_pixmap_surface)(_EGLDriver *drv, _EGLDisplay *dpy,
97                                          _EGLConfig *config,
98                                          void *native_pixmap,
99                                          const EGLint *attrib_list);
100 
101    _EGLSurface* (*create_pbuffer_surface)(_EGLDriver *drv, _EGLDisplay *dpy,
102                                           _EGLConfig *config,
103                                           const EGLint *attrib_list);
104 
105    EGLBoolean (*destroy_surface)(_EGLDriver *drv, _EGLDisplay *dpy,
106                                  _EGLSurface *surface);
107 
108    EGLBoolean (*swap_interval)(_EGLDriver *drv, _EGLDisplay *dpy,
109                                _EGLSurface *surf, EGLint interval);
110 
111    _EGLImage* (*create_image)(_EGLDriver *drv, _EGLDisplay *dpy,
112                               _EGLContext *ctx, EGLenum target,
113                               EGLClientBuffer buffer,
114                               const EGLint *attr_list);
115 
116    EGLBoolean (*swap_buffers)(_EGLDriver *drv, _EGLDisplay *dpy,
117                               _EGLSurface *surf);
118 
119    EGLBoolean (*swap_buffers_with_damage)(_EGLDriver *drv, _EGLDisplay *dpy,
120                                           _EGLSurface *surface,
121                                           const EGLint *rects, EGLint n_rects);
122 
123    EGLBoolean (*swap_buffers_region)(_EGLDriver *drv, _EGLDisplay *dpy,
124                                      _EGLSurface *surf, EGLint numRects,
125                                      const EGLint *rects);
126 
127    EGLBoolean (*post_sub_buffer)(_EGLDriver *drv, _EGLDisplay *dpy,
128                                  _EGLSurface *surf,
129                                  EGLint x, EGLint y,
130                                  EGLint width, EGLint height);
131 
132    EGLBoolean (*copy_buffers)(_EGLDriver *drv, _EGLDisplay *dpy,
133                               _EGLSurface *surf, void *native_pixmap_target);
134 
135    EGLint (*query_buffer_age)(_EGLDriver *drv, _EGLDisplay *dpy,
136                               _EGLSurface *surf);
137 
138    EGLBoolean (*query_surface)(_EGLDriver *drv, _EGLDisplay *dpy,
139                                _EGLSurface *surf, EGLint attribute,
140                                EGLint *value);
141 
142    struct wl_buffer* (*create_wayland_buffer_from_image)(
143                         _EGLDriver *drv, _EGLDisplay *dpy, _EGLImage *img);
144 
145    EGLBoolean (*get_sync_values)(_EGLDisplay *display, _EGLSurface *surface,
146                                  EGLuint64KHR *ust, EGLuint64KHR *msc,
147                                  EGLuint64KHR *sbc);
148 
149    __DRIdrawable *(*get_dri_drawable)(_EGLSurface *surf);
150 };
151 
152 struct dri2_egl_display
153 {
154    const struct dri2_egl_display_vtbl *vtbl;
155 
156    int                       dri2_major;
157    int                       dri2_minor;
158    __DRIscreen              *dri_screen;
159    int                       own_dri_screen;
160    const __DRIconfig       **driver_configs;
161    void                     *driver;
162    const __DRIcoreExtension       *core;
163    const __DRIimageDriverExtension *image_driver;
164    const __DRIdri2Extension       *dri2;
165    const __DRIswrastExtension     *swrast;
166    const __DRI2flushExtension     *flush;
167    const __DRItexBufferExtension  *tex_buffer;
168    const __DRIimageExtension      *image;
169    const __DRIrobustnessExtension *robustness;
170    const __DRI2configQueryExtension *config;
171    const __DRI2fenceExtension *fence;
172    const __DRI2rendererQueryExtension *rendererQuery;
173    const __DRI2interopExtension *interop;
174    int                       fd;
175 
176    /* dri2_initialize/dri2_terminate increment/decrement this count, so does
177     * dri2_make_current (tracks if there are active contexts/surfaces). */
178    int                       ref_count;
179 
180    int                       own_device;
181    int                       invalidate_available;
182    int                       min_swap_interval;
183    int                       max_swap_interval;
184    int                       default_swap_interval;
185 #ifdef HAVE_DRM_PLATFORM
186    struct gbm_dri_device    *gbm_dri;
187 #endif
188 
189    char                     *driver_name;
190 
191    const __DRIextension    **loader_extensions;
192    const __DRIextension    **driver_extensions;
193 
194 #ifdef HAVE_X11_PLATFORM
195    xcb_connection_t         *conn;
196    xcb_screen_t             *screen;
197    int                      swap_available;
198 #ifdef HAVE_DRI3
199    struct loader_dri3_extensions loader_dri3_ext;
200 #endif
201 #endif
202 
203 #ifdef HAVE_WAYLAND_PLATFORM
204    struct wl_display        *wl_dpy;
205    struct wl_display        *wl_dpy_wrapper;
206    struct wl_registry       *wl_registry;
207    struct wl_drm            *wl_server_drm;
208    struct wl_drm            *wl_drm;
209    struct wl_shm            *wl_shm;
210    struct wl_event_queue    *wl_queue;
211    int                       authenticated;
212    int                       formats;
213    uint32_t                  capabilities;
214    char                     *device_name;
215 #endif
216 
217 #ifdef HAVE_ANDROID_PLATFORM
218    const gralloc_module_t *gralloc;
219 #endif
220 
221    int                       is_render_node;
222    int                       is_different_gpu;
223 };
224 
225 struct dri2_egl_context
226 {
227    _EGLContext   base;
228    __DRIcontext *dri_context;
229 };
230 
231 #ifdef HAVE_WAYLAND_PLATFORM
232 enum wayland_buffer_type {
233    WL_BUFFER_FRONT,
234    WL_BUFFER_BACK,
235    WL_BUFFER_THIRD,
236    WL_BUFFER_COUNT
237 };
238 #endif
239 
240 struct dri2_egl_surface
241 {
242    _EGLSurface          base;
243    __DRIdrawable       *dri_drawable;
244    __DRIbuffer          buffers[5];
245    int                  buffer_count;
246    int                  have_fake_front;
247 
248 #ifdef HAVE_X11_PLATFORM
249    xcb_drawable_t       drawable;
250    xcb_xfixes_region_t  region;
251    int                  depth;
252    int                  bytes_per_pixel;
253    xcb_gcontext_t       gc;
254    xcb_gcontext_t       swapgc;
255 #endif
256 
257 #ifdef HAVE_WAYLAND_PLATFORM
258    struct wl_egl_window  *wl_win;
259    int                    dx;
260    int                    dy;
261    struct wl_callback    *throttle_callback;
262    int                    format;
263 #endif
264 
265 #ifdef HAVE_DRM_PLATFORM
266    struct gbm_dri_surface *gbm_surf;
267 #endif
268 
269 #if defined(HAVE_WAYLAND_PLATFORM) || defined(HAVE_DRM_PLATFORM)
270    __DRIbuffer           *dri_buffers[__DRI_BUFFER_COUNT];
271    struct {
272 #ifdef HAVE_WAYLAND_PLATFORM
273       struct wl_buffer   *wl_buffer;
274       __DRIimage         *dri_image;
275       /* for is_different_gpu case. NULL else */
276       __DRIimage         *linear_copy;
277       /* for swrast */
278       void *data;
279       int data_size;
280 #endif
281 #ifdef HAVE_DRM_PLATFORM
282       struct gbm_bo       *bo;
283 #endif
284       int                 locked;
285       int                 age;
286    } color_buffers[4], *back, *current;
287 #endif
288 
289 #ifdef HAVE_ANDROID_PLATFORM
290    struct ANativeWindow *window;
291    struct ANativeWindowBuffer *buffer;
292    __DRIimage *dri_image_back;
293    __DRIimage *dri_image_front;
294 
295    /* EGL-owned buffers */
296    __DRIbuffer           *local_buffers[__DRI_BUFFER_COUNT];
297 #endif
298 
299 #if defined(HAVE_SURFACELESS_PLATFORM)
300       __DRIimage           *front;
301       unsigned int         visual;
302 #endif
303 };
304 
305 struct dri2_egl_config
306 {
307    _EGLConfig         base;
308    const __DRIconfig *dri_single_config[2];
309    const __DRIconfig *dri_double_config[2];
310 };
311 
312 struct dri2_egl_image
313 {
314    _EGLImage   base;
315    __DRIimage *dri_image;
316 };
317 
318 struct dri2_egl_sync {
319    _EGLSync base;
320    mtx_t mutex;
321    cnd_t cond;
322    int refcount;
323    void *fence;
324 };
325 
326 /* From xmlpool/options.h, user exposed so should be stable */
327 #define DRI_CONF_VBLANK_NEVER 0
328 #define DRI_CONF_VBLANK_DEF_INTERVAL_0 1
329 #define DRI_CONF_VBLANK_DEF_INTERVAL_1 2
330 #define DRI_CONF_VBLANK_ALWAYS_SYNC 3
331 
332 /* standard typecasts */
333 _EGL_DRIVER_STANDARD_TYPECASTS(dri2_egl)
334 _EGL_DRIVER_TYPECAST(dri2_egl_image, _EGLImage, obj)
335 _EGL_DRIVER_TYPECAST(dri2_egl_sync, _EGLSync, obj)
336 
337 extern const __DRIimageLookupExtension image_lookup_extension;
338 extern const __DRIuseInvalidateExtension use_invalidate;
339 
340 EGLBoolean
341 dri2_load_driver(_EGLDisplay *disp);
342 
343 /* Helper for platforms not using dri2_create_screen */
344 void
345 dri2_setup_screen(_EGLDisplay *disp);
346 
347 EGLBoolean
348 dri2_load_driver_swrast(_EGLDisplay *disp);
349 
350 EGLBoolean
351 dri2_load_driver_dri3(_EGLDisplay *disp);
352 
353 EGLBoolean
354 dri2_create_screen(_EGLDisplay *disp);
355 
356 __DRIdrawable *
357 dri2_surface_get_dri_drawable(_EGLSurface *surf);
358 
359 __DRIimage *
360 dri2_lookup_egl_image(__DRIscreen *screen, void *image, void *data);
361 
362 struct dri2_egl_config *
363 dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
364                 EGLint surface_type, const EGLint *attr_list,
365                 const unsigned int *rgba_masks);
366 
367 _EGLImage *
368 dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
369                       _EGLContext *ctx, EGLenum target,
370                       EGLClientBuffer buffer, const EGLint *attr_list);
371 
372 _EGLImage *
373 dri2_create_image_dma_buf(_EGLDisplay *disp, _EGLContext *ctx,
374                           EGLClientBuffer buffer, const EGLint *attr_list);
375 
376 EGLBoolean
377 dri2_initialize_x11(_EGLDriver *drv, _EGLDisplay *disp);
378 
379 EGLBoolean
380 dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp);
381 
382 EGLBoolean
383 dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp);
384 
385 EGLBoolean
386 dri2_initialize_android(_EGLDriver *drv, _EGLDisplay *disp);
387 
388 EGLBoolean
389 dri2_initialize_surfaceless(_EGLDriver *drv, _EGLDisplay *disp);
390 
391 void
392 dri2_flush_drawable_for_swapbuffers(_EGLDisplay *disp, _EGLSurface *draw);
393 
394 const __DRIconfig *
395 dri2_get_dri_config(struct dri2_egl_config *conf, EGLint surface_type,
396                     EGLenum colorspace);
397 
398 static inline void
dri2_set_WL_bind_wayland_display(_EGLDriver * drv,_EGLDisplay * disp)399 dri2_set_WL_bind_wayland_display(_EGLDriver *drv, _EGLDisplay *disp)
400 {
401 #ifdef HAVE_WAYLAND_PLATFORM
402    struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
403 
404    (void) drv;
405 
406    if (dri2_dpy->device_name && dri2_dpy->image) {
407        if (dri2_dpy->image->base.version >= 10 &&
408            dri2_dpy->image->getCapabilities != NULL) {
409            int capabilities;
410 
411            capabilities =
412                dri2_dpy->image->getCapabilities(dri2_dpy->dri_screen);
413            disp->Extensions.WL_bind_wayland_display =
414                (capabilities & __DRI_IMAGE_CAP_GLOBAL_NAMES) != 0;
415        } else {
416            disp->Extensions.WL_bind_wayland_display = EGL_TRUE;
417        }
418    }
419 #endif
420 }
421 
422 #endif /* EGL_DRI2_INCLUDED */
423