src/egl/drivers/dri2/egl_dri2.h

   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 <stdbool.h>
  32 #include <stdint.h>
  33
  34 #ifdef HAVE_X11_PLATFORM
  35 #include <xcb/xcb.h>
  36 #include <xcb/dri2.h>
  37 #include <xcb/xfixes.h>
  38 #include <X11/Xlib-xcb.h>
  39
  40 #ifdef HAVE_DRI3
  41 #include "loader_dri3_helper.h"
  42 #endif
  43 #endif
  44
  45 #ifdef HAVE_WAYLAND_PLATFORM
  46 #include <wayland-client.h>
  47 #include "wayland-egl-priv.h"
  48 /* forward declarations of protocol elements */
  49 struct zwp_linux_dmabuf_v1;
  50 #endif
  51
  52 #include <GL/gl.h>
  53 #include <GL/internal/dri_interface.h>
  54
  55 #ifdef HAVE_DRM_PLATFORM
  56 #include <gbm_driint.h>
  57 #endif
  58
  59 #ifdef HAVE_ANDROID_PLATFORM
  60 #define LOG_TAG "EGL-DRI2"
  61
  62 #include <system/window.h>
  63 #include <hardware/gralloc.h>
  64 #include <gralloc_drm_handle.h>
  65
  66 #endif /* HAVE_ANDROID_PLATFORM */
  67
  68 #include "eglconfig.h"
  69 #include "eglcontext.h"
  70 #include "egldisplay.h"
  71 #include "egldriver.h"
  72 #include "eglcurrent.h"
  73 #include "egllog.h"
  74 #include "eglsurface.h"
  75 #include "eglimage.h"
  76 #include "eglsync.h"
  77
  78 #include "util/u_vector.h"
  79
  80 struct wl_buffer;
  81
  82 struct dri2_egl_driver
  83 {
  84    _EGLDriver base;
  85
  86    void *handle;
  87    _EGLProc (*get_proc_address)(const char *procname);
  88    void (*glFlush)(void);
  89 };
  90
  91 struct dri2_egl_display_vtbl {
  92    int (*authenticate)(_EGLDisplay *disp, uint32_t id);
  93
  94    _EGLSurface* (*create_window_surface)(_EGLDriver *drv, _EGLDisplay *dpy,
  95                                          _EGLConfig *config,
  96                                          void *native_window,
  97                                          const EGLint *attrib_list);
  98
  99    _EGLSurface* (*create_pixmap_surface)(_EGLDriver *drv, _EGLDisplay *dpy,
 100                                          _EGLConfig *config,
 101                                          void *native_pixmap,
 102                                          const EGLint *attrib_list);
 103
 104    _EGLSurface* (*create_pbuffer_surface)(_EGLDriver *drv, _EGLDisplay *dpy,
 105                                           _EGLConfig *config,
 106                                           const EGLint *attrib_list);
 107
 108    EGLBoolean (*destroy_surface)(_EGLDriver *drv, _EGLDisplay *dpy,
 109                                  _EGLSurface *surface);
 110
 111    EGLBoolean (*swap_interval)(_EGLDriver *drv, _EGLDisplay *dpy,
 112                                _EGLSurface *surf, EGLint interval);
 113
 114    _EGLImage* (*create_image)(_EGLDriver *drv, _EGLDisplay *dpy,
 115                               _EGLContext *ctx, EGLenum target,
 116                               EGLClientBuffer buffer,
 117                               const EGLint *attr_list);
 118
 119    EGLBoolean (*swap_buffers)(_EGLDriver *drv, _EGLDisplay *dpy,
 120                               _EGLSurface *surf);
 121
 122    EGLBoolean (*swap_buffers_with_damage)(_EGLDriver *drv, _EGLDisplay *dpy,
 123                                           _EGLSurface *surface,
 124                                           const EGLint *rects, EGLint n_rects);
 125
 126    EGLBoolean (*set_damage_region)(_EGLDriver *drv, _EGLDisplay *dpy,
 127                                    _EGLSurface *surface,
 128                                    const EGLint *rects, EGLint n_rects);
 129
 130    EGLBoolean (*swap_buffers_region)(_EGLDriver *drv, _EGLDisplay *dpy,
 131                                      _EGLSurface *surf, EGLint numRects,
 132                                      const EGLint *rects);
 133
 134    EGLBoolean (*post_sub_buffer)(_EGLDriver *drv, _EGLDisplay *dpy,
 135                                  _EGLSurface *surf,
 136                                  EGLint x, EGLint y,
 137                                  EGLint width, EGLint height);
 138
 139    EGLBoolean (*copy_buffers)(_EGLDriver *drv, _EGLDisplay *dpy,
 140                               _EGLSurface *surf, void *native_pixmap_target);
 141
 142    EGLint (*query_buffer_age)(_EGLDriver *drv, _EGLDisplay *dpy,
 143                               _EGLSurface *surf);
 144
 145    EGLBoolean (*query_surface)(_EGLDriver *drv, _EGLDisplay *dpy,
 146                                _EGLSurface *surf, EGLint attribute,
 147                                EGLint *value);
 148
 149    struct wl_buffer* (*create_wayland_buffer_from_image)(
 150                         _EGLDriver *drv, _EGLDisplay *dpy, _EGLImage *img);
 151
 152    EGLBoolean (*get_sync_values)(_EGLDisplay *display, _EGLSurface *surface,
 153                                  EGLuint64KHR *ust, EGLuint64KHR *msc,
 154                                  EGLuint64KHR *sbc);
 155
 156    __DRIdrawable *(*get_dri_drawable)(_EGLSurface *surf);
 157
 158    void (*close_screen_notify)(_EGLDisplay *dpy);
 159 };
 160
 161 struct dri2_egl_display
 162 {
 163    const struct dri2_egl_display_vtbl *vtbl;
 164
 165    int                       dri2_major;
 166    int                       dri2_minor;
 167    __DRIscreen              *dri_screen;
 168    bool                      own_dri_screen;
 169    const __DRIconfig       **driver_configs;
 170    void                     *driver;
 171    const __DRIcoreExtension       *core;
 172    const __DRIimageDriverExtension *image_driver;
 173    const __DRIdri2Extension       *dri2;
 174    const __DRIswrastExtension     *swrast;
 175    const __DRI2flushExtension     *flush;
 176    const __DRItexBufferExtension  *tex_buffer;
 177    const __DRIimageExtension      *image;
 178    const __DRIrobustnessExtension *robustness;
 179    const __DRInoErrorExtension    *no_error;
 180    const __DRI2configQueryExtension *config;
 181    const __DRI2fenceExtension *fence;
 182    const __DRI2rendererQueryExtension *rendererQuery;
 183    const __DRI2interopExtension *interop;
 184    int                       fd;
 185
 186    /* dri2_initialize/dri2_terminate increment/decrement this count, so does
 187     * dri2_make_current (tracks if there are active contexts/surfaces). */
 188    int                       ref_count;
 189
 190    bool                      own_device;
 191    bool                      invalidate_available;
 192    int                       min_swap_interval;
 193    int                       max_swap_interval;
 194    int                       default_swap_interval;
 195 #ifdef HAVE_DRM_PLATFORM
 196    struct gbm_dri_device    *gbm_dri;
 197 #endif
 198
 199    char                     *driver_name;
 200
 201    const __DRIextension    **loader_extensions;
 202    const __DRIextension    **driver_extensions;
 203
 204 #ifdef HAVE_X11_PLATFORM
 205    xcb_connection_t         *conn;
 206    xcb_screen_t             *screen;
 207    bool                     swap_available;
 208 #ifdef HAVE_DRI3
 209    struct loader_dri3_extensions loader_dri3_ext;
 210 #endif
 211 #endif
 212
 213 #ifdef HAVE_WAYLAND_PLATFORM
 214    struct wl_display        *wl_dpy;
 215    struct wl_display        *wl_dpy_wrapper;
 216    struct wl_registry       *wl_registry;
 217    struct wl_drm            *wl_server_drm;
 218    struct wl_drm            *wl_drm;
 219    struct wl_shm            *wl_shm;
 220    struct wl_event_queue    *wl_queue;
 221    struct zwp_linux_dmabuf_v1 *wl_dmabuf;
 222    struct {
 223       struct u_vector        xrgb8888;
 224       struct u_vector        argb8888;
 225       struct u_vector        rgb565;
 226    } wl_modifiers;
 227    bool                      authenticated;
 228    int                       formats;
 229    uint32_t                  capabilities;
 230    char                     *device_name;
 231 #endif
 232
 233 #ifdef HAVE_ANDROID_PLATFORM
 234    const gralloc_module_t *gralloc;
 235 #endif
 236
 237    bool                      is_render_node;
 238    bool                      is_different_gpu;
 239 };
 240
 241 struct dri2_egl_context
 242 {
 243    _EGLContext   base;
 244    __DRIcontext *dri_context;
 245 };
 246
 247 #ifdef HAVE_WAYLAND_PLATFORM
 248 enum wayland_buffer_type {
 249    WL_BUFFER_FRONT,
 250    WL_BUFFER_BACK,
 251    WL_BUFFER_THIRD,
 252    WL_BUFFER_COUNT
 253 };
 254 #endif
 255
 256 struct dri2_egl_surface
 257 {
 258    _EGLSurface          base;
 259    __DRIdrawable       *dri_drawable;
 260    __DRIbuffer          buffers[5];
 261    bool                 have_fake_front;
 262
 263 #ifdef HAVE_X11_PLATFORM
 264    xcb_drawable_t       drawable;
 265    xcb_xfixes_region_t  region;
 266    int                  depth;
 267    int                  bytes_per_pixel;
 268    xcb_gcontext_t       gc;
 269    xcb_gcontext_t       swapgc;
 270 #endif
 271
 272 #ifdef HAVE_WAYLAND_PLATFORM
 273    struct wl_egl_window  *wl_win;
 274    int                    dx;
 275    int                    dy;
 276    struct wl_event_queue *wl_queue;
 277    struct wl_surface     *wl_surface_wrapper;
 278    struct wl_display     *wl_dpy_wrapper;
 279    struct wl_drm         *wl_drm_wrapper;
 280    struct wl_callback    *throttle_callback;
 281    int                    format;
 282 #endif
 283
 284 #ifdef HAVE_DRM_PLATFORM
 285    struct gbm_dri_surface *gbm_surf;
 286 #endif
 287
 288    /* EGL-owned buffers */
 289    __DRIbuffer           *local_buffers[__DRI_BUFFER_COUNT];
 290
 291 #if defined(HAVE_WAYLAND_PLATFORM) || defined(HAVE_DRM_PLATFORM)
 292    struct {
 293 #ifdef HAVE_WAYLAND_PLATFORM
 294       struct wl_buffer   *wl_buffer;
 295       __DRIimage         *dri_image;
 296       /* for is_different_gpu case. NULL else */
 297       __DRIimage         *linear_copy;
 298       /* for swrast */
 299       void *data;
 300       int data_size;
 301 #endif
 302 #ifdef HAVE_DRM_PLATFORM
 303       struct gbm_bo       *bo;
 304 #endif
 305       bool                locked;
 306       int                 age;
 307    } color_buffers[4], *back, *current;
 308 #endif
 309
 310 #ifdef HAVE_ANDROID_PLATFORM
 311    struct ANativeWindow *window;
 312    struct ANativeWindowBuffer *buffer;
 313    __DRIimage *dri_image_back;
 314    __DRIimage *dri_image_front;
 315
 316    /* Used to record all the buffers created by ANativeWindow and their ages.
 317     * Usually Android uses at most triple buffers in ANativeWindow
 318     * so hardcode the number of color_buffers to 3.
 319     */
 320    struct {
 321       struct ANativeWindowBuffer *buffer;
 322       int age;
 323    } color_buffers[3], *back;
 324 #endif
 325
 326 #if defined(HAVE_SURFACELESS_PLATFORM)
 327       __DRIimage           *front;
 328       unsigned int         visual;
 329 #endif
 330 };
 331
 332 struct dri2_egl_config
 333 {
 334    _EGLConfig         base;
 335    const __DRIconfig *dri_config[2][2];
 336 };
 337
 338 struct dri2_egl_image
 339 {
 340    _EGLImage   base;
 341    __DRIimage *dri_image;
 342 };
 343
 344 struct dri2_egl_sync {
 345    _EGLSync base;
 346    mtx_t mutex;
 347    cnd_t cond;
 348    int refcount;
 349    void *fence;
 350 };
 351
 352 /* From xmlpool/options.h, user exposed so should be stable */
 353 #define DRI_CONF_VBLANK_NEVER 0
 354 #define DRI_CONF_VBLANK_DEF_INTERVAL_0 1
 355 #define DRI_CONF_VBLANK_DEF_INTERVAL_1 2
 356 #define DRI_CONF_VBLANK_ALWAYS_SYNC 3
 357
 358 /* standard typecasts */
 359 _EGL_DRIVER_STANDARD_TYPECASTS(dri2_egl)
 360 _EGL_DRIVER_TYPECAST(dri2_egl_image, _EGLImage, obj)
 361 _EGL_DRIVER_TYPECAST(dri2_egl_sync, _EGLSync, obj)
 362
 363 extern const __DRIimageLookupExtension image_lookup_extension;
 364 extern const __DRIuseInvalidateExtension use_invalidate;
 365 extern const __DRIbackgroundCallableExtension background_callable_extension;
 366
 367 EGLBoolean
 368 dri2_load_driver(_EGLDisplay *disp);
 369
 370 /* Helper for platforms not using dri2_create_screen */
 371 void
 372 dri2_setup_screen(_EGLDisplay *disp);
 373
 374 void
 375 dri2_setup_swap_interval(_EGLDisplay *disp, int max_swap_interval);
 376
 377 EGLBoolean
 378 dri2_load_driver_swrast(_EGLDisplay *disp);
 379
 380 EGLBoolean
 381 dri2_load_driver_dri3(_EGLDisplay *disp);
 382
 383 EGLBoolean
 384 dri2_create_screen(_EGLDisplay *disp);
 385
 386 EGLBoolean
 387 dri2_setup_extensions(_EGLDisplay *disp);
 388
 389 __DRIdrawable *
 390 dri2_surface_get_dri_drawable(_EGLSurface *surf);
 391
 392 __DRIimage *
 393 dri2_lookup_egl_image(__DRIscreen *screen, void *image, void *data);
 394
 395 struct dri2_egl_config *
 396 dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
 397                 EGLint surface_type, const EGLint *attr_list,
 398                 const unsigned int *rgba_masks);
 399
 400 _EGLImage *
 401 dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
 402                       _EGLContext *ctx, EGLenum target,
 403                       EGLClientBuffer buffer, const EGLint *attr_list);
 404
 405 _EGLImage *
 406 dri2_create_image_dma_buf(_EGLDisplay *disp, _EGLContext *ctx,
 407                           EGLClientBuffer buffer, const EGLint *attr_list);
 408
 409 EGLBoolean
 410 dri2_initialize_x11(_EGLDriver *drv, _EGLDisplay *disp);
 411
 412 EGLBoolean
 413 dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp);
 414
 415 EGLBoolean
 416 dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp);
 417
 418 EGLBoolean
 419 dri2_initialize_android(_EGLDriver *drv, _EGLDisplay *disp);
 420
 421 EGLBoolean
 422 dri2_initialize_surfaceless(_EGLDriver *drv, _EGLDisplay *disp);
 423
 424 void
 425 dri2_flush_drawable_for_swapbuffers(_EGLDisplay *disp, _EGLSurface *draw);
 426
 427 const __DRIconfig *
 428 dri2_get_dri_config(struct dri2_egl_config *conf, EGLint surface_type,
 429                     EGLenum colorspace);
 430
 431 static inline void
 432 dri2_set_WL_bind_wayland_display(_EGLDriver *drv, _EGLDisplay *disp)
 433 {
 434 #ifdef HAVE_WAYLAND_PLATFORM
 435    struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
 436
 437    (void) drv;
 438
 439    if (dri2_dpy->device_name && dri2_dpy->image) {
 440        if (dri2_dpy->image->base.version >= 10 &&
 441            dri2_dpy->image->getCapabilities != NULL) {
 442            int capabilities;
 443
 444            capabilities =
 445                dri2_dpy->image->getCapabilities(dri2_dpy->dri_screen);
 446            disp->Extensions.WL_bind_wayland_display =
 447                (capabilities & __DRI_IMAGE_CAP_GLOBAL_NAMES) != 0;
 448        } else {
 449            disp->Extensions.WL_bind_wayland_display = EGL_TRUE;
 450        }
 451    }
 452 #endif
 453 }
 454
 455 void
 456 dri2_display_destroy(_EGLDisplay *disp);
 457
 458 __DRIbuffer *
 459 dri2_egl_surface_alloc_local_buffer(struct dri2_egl_surface *dri2_surf,
 460                                     unsigned int att, unsigned int format);
 461
 462 void
 463 dri2_egl_surface_free_local_buffers(struct dri2_egl_surface *dri2_surf);
 464
 465 #endif /* EGL_DRI2_INCLUDED */