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
 159 struct dri2_egl_display
 160 {
 161    const struct dri2_egl_display_vtbl *vtbl;
 162
 163    int                       dri2_major;
 164    int                       dri2_minor;
 165    __DRIscreen              *dri_screen;
 166    bool                      own_dri_screen;
 167    const __DRIconfig       **driver_configs;
 168    void                     *driver;
 169    const __DRIcoreExtension       *core;
 170    const __DRIimageDriverExtension *image_driver;
 171    const __DRIdri2Extension       *dri2;
 172    const __DRIswrastExtension     *swrast;
 173    const __DRI2flushExtension     *flush;
 174    const __DRItexBufferExtension  *tex_buffer;
 175    const __DRIimageExtension      *image;
 176    const __DRIrobustnessExtension *robustness;
 177    const __DRInoErrorExtension    *no_error;
 178    const __DRI2configQueryExtension *config;
 179    const __DRI2fenceExtension *fence;
 180    const __DRI2rendererQueryExtension *rendererQuery;
 181    const __DRI2interopExtension *interop;
 182    int                       fd;
 183
 184    /* dri2_initialize/dri2_terminate increment/decrement this count, so does
 185     * dri2_make_current (tracks if there are active contexts/surfaces). */
 186    int                       ref_count;
 187
 188    bool                      own_device;
 189    bool                      invalidate_available;
 190    int                       min_swap_interval;
 191    int                       max_swap_interval;
 192    int                       default_swap_interval;
 193 #ifdef HAVE_DRM_PLATFORM
 194    struct gbm_dri_device    *gbm_dri;
 195 #endif
 196
 197    char                     *driver_name;
 198
 199    const __DRIextension    **loader_extensions;
 200    const __DRIextension    **driver_extensions;
 201
 202 #ifdef HAVE_X11_PLATFORM
 203    xcb_connection_t         *conn;
 204    xcb_screen_t             *screen;
 205    bool                     swap_available;
 206 #ifdef HAVE_DRI3
 207    struct loader_dri3_extensions loader_dri3_ext;
 208 #endif
 209 #endif
 210
 211 #ifdef HAVE_WAYLAND_PLATFORM
 212    struct wl_display        *wl_dpy;
 213    struct wl_display        *wl_dpy_wrapper;
 214    struct wl_registry       *wl_registry;
 215    struct wl_drm            *wl_server_drm;
 216    struct wl_drm            *wl_drm;
 217    struct wl_shm            *wl_shm;
 218    struct wl_event_queue    *wl_queue;
 219    struct zwp_linux_dmabuf_v1 *wl_dmabuf;
 220    struct {
 221       struct u_vector        xrgb8888;
 222       struct u_vector        argb8888;
 223       struct u_vector        rgb565;
 224    } wl_modifiers;
 225    bool                      authenticated;
 226    int                       formats;
 227    uint32_t                  capabilities;
 228    char                     *device_name;
 229 #endif
 230
 231 #ifdef HAVE_ANDROID_PLATFORM
 232    const gralloc_module_t *gralloc;
 233 #endif
 234
 235    bool                      is_render_node;
 236    bool                      is_different_gpu;
 237 };
 238
 239 struct dri2_egl_context
 240 {
 241    _EGLContext   base;
 242    __DRIcontext *dri_context;
 243 };
 244
 245 #ifdef HAVE_WAYLAND_PLATFORM
 246 enum wayland_buffer_type {
 247    WL_BUFFER_FRONT,
 248    WL_BUFFER_BACK,
 249    WL_BUFFER_THIRD,
 250    WL_BUFFER_COUNT
 251 };
 252 #endif
 253
 254 struct dri2_egl_surface
 255 {
 256    _EGLSurface          base;
 257    __DRIdrawable       *dri_drawable;
 258    __DRIbuffer          buffers[5];
 259    bool                 have_fake_front;
 260
 261 #ifdef HAVE_X11_PLATFORM
 262    xcb_drawable_t       drawable;
 263    xcb_xfixes_region_t  region;
 264    int                  depth;
 265    int                  bytes_per_pixel;
 266    xcb_gcontext_t       gc;
 267    xcb_gcontext_t       swapgc;
 268 #endif
 269
 270 #ifdef HAVE_WAYLAND_PLATFORM
 271    struct wl_egl_window  *wl_win;
 272    int                    dx;
 273    int                    dy;
 274    struct wl_event_queue *wl_queue;
 275    struct wl_surface     *wl_surface_wrapper;
 276    struct wl_display     *wl_dpy_wrapper;
 277    struct wl_drm         *wl_drm_wrapper;
 278    struct wl_callback    *throttle_callback;
 279    int                    format;
 280 #endif
 281
 282 #ifdef HAVE_DRM_PLATFORM
 283    struct gbm_dri_surface *gbm_surf;
 284 #endif
 285
 286 #if defined(HAVE_WAYLAND_PLATFORM) || defined(HAVE_DRM_PLATFORM)
 287    __DRIbuffer           *dri_buffers[__DRI_BUFFER_COUNT];
 288    struct {
 289 #ifdef HAVE_WAYLAND_PLATFORM
 290       struct wl_buffer   *wl_buffer;
 291       __DRIimage         *dri_image;
 292       /* for is_different_gpu case. NULL else */
 293       __DRIimage         *linear_copy;
 294       /* for swrast */
 295       void *data;
 296       int data_size;
 297 #endif
 298 #ifdef HAVE_DRM_PLATFORM
 299       struct gbm_bo       *bo;
 300 #endif
 301       bool                locked;
 302       int                 age;
 303    } color_buffers[4], *back, *current;
 304 #endif
 305
 306 #ifdef HAVE_ANDROID_PLATFORM
 307    struct ANativeWindow *window;
 308    struct ANativeWindowBuffer *buffer;
 309    __DRIimage *dri_image_back;
 310    __DRIimage *dri_image_front;
 311
 312    /* EGL-owned buffers */
 313    __DRIbuffer           *local_buffers[__DRI_BUFFER_COUNT];
 314
 315    /* Used to record all the buffers created by ANativeWindow and their ages.
 316     * Usually Android uses at most triple buffers in ANativeWindow
 317     * so hardcode the number of color_buffers to 3.
 318     */
 319    struct {
 320       struct ANativeWindowBuffer *buffer;
 321       int age;
 322    } color_buffers[3], *back;
 323 #endif
 324
 325 #if defined(HAVE_SURFACELESS_PLATFORM)
 326       __DRIimage           *front;
 327       unsigned int         visual;
 328 #endif
 329 };
 330
 331 struct dri2_egl_config
 332 {
 333    _EGLConfig         base;
 334    const __DRIconfig *dri_config[2][2];
 335 };
 336
 337 struct dri2_egl_image
 338 {
 339    _EGLImage   base;
 340    __DRIimage *dri_image;
 341 };
 342
 343 struct dri2_egl_sync {
 344    _EGLSync base;
 345    mtx_t mutex;
 346    cnd_t cond;
 347    int refcount;
 348    void *fence;
 349 };
 350
 351 /* From xmlpool/options.h, user exposed so should be stable */
 352 #define DRI_CONF_VBLANK_NEVER 0
 353 #define DRI_CONF_VBLANK_DEF_INTERVAL_0 1
 354 #define DRI_CONF_VBLANK_DEF_INTERVAL_1 2
 355 #define DRI_CONF_VBLANK_ALWAYS_SYNC 3
 356
 357 /* standard typecasts */
 358 _EGL_DRIVER_STANDARD_TYPECASTS(dri2_egl)
 359 _EGL_DRIVER_TYPECAST(dri2_egl_image, _EGLImage, obj)
 360 _EGL_DRIVER_TYPECAST(dri2_egl_sync, _EGLSync, obj)
 361
 362 extern const __DRIimageLookupExtension image_lookup_extension;
 363 extern const __DRIuseInvalidateExtension use_invalidate;
 364 extern const __DRIbackgroundCallableExtension background_callable_extension;
 365
 366 EGLBoolean
 367 dri2_load_driver(_EGLDisplay *disp);
 368
 369 /* Helper for platforms not using dri2_create_screen */
 370 void
 371 dri2_setup_screen(_EGLDisplay *disp);
 372
 373 void
 374 dri2_setup_swap_interval(_EGLDisplay *disp, int max_swap_interval);
 375
 376 EGLBoolean
 377 dri2_load_driver_swrast(_EGLDisplay *disp);
 378
 379 EGLBoolean
 380 dri2_load_driver_dri3(_EGLDisplay *disp);
 381
 382 EGLBoolean
 383 dri2_create_screen(_EGLDisplay *disp);
 384
 385 EGLBoolean
 386 dri2_setup_extensions(_EGLDisplay *disp);
 387
 388 __DRIdrawable *
 389 dri2_surface_get_dri_drawable(_EGLSurface *surf);
 390
 391 __DRIimage *
 392 dri2_lookup_egl_image(__DRIscreen *screen, void *image, void *data);
 393
 394 struct dri2_egl_config *
 395 dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
 396                 EGLint surface_type, const EGLint *attr_list,
 397                 const unsigned int *rgba_masks);
 398
 399 _EGLImage *
 400 dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
 401                       _EGLContext *ctx, EGLenum target,
 402                       EGLClientBuffer buffer, const EGLint *attr_list);
 403
 404 _EGLImage *
 405 dri2_create_image_dma_buf(_EGLDisplay *disp, _EGLContext *ctx,
 406                           EGLClientBuffer buffer, const EGLint *attr_list);
 407
 408 EGLBoolean
 409 dri2_initialize_x11(_EGLDriver *drv, _EGLDisplay *disp);
 410
 411 EGLBoolean
 412 dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp);
 413
 414 EGLBoolean
 415 dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp);
 416
 417 EGLBoolean
 418 dri2_initialize_android(_EGLDriver *drv, _EGLDisplay *disp);
 419
 420 EGLBoolean
 421 dri2_initialize_surfaceless(_EGLDriver *drv, _EGLDisplay *disp);
 422
 423 void
 424 dri2_flush_drawable_for_swapbuffers(_EGLDisplay *disp, _EGLSurface *draw);
 425
 426 const __DRIconfig *
 427 dri2_get_dri_config(struct dri2_egl_config *conf, EGLint surface_type,
 428                     EGLenum colorspace);
 429
 430 static inline void
 431 dri2_set_WL_bind_wayland_display(_EGLDriver *drv, _EGLDisplay *disp)
 432 {
 433 #ifdef HAVE_WAYLAND_PLATFORM
 434    struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
 435
 436    (void) drv;
 437
 438    if (dri2_dpy->device_name && dri2_dpy->image) {
 439        if (dri2_dpy->image->base.version >= 10 &&
 440            dri2_dpy->image->getCapabilities != NULL) {
 441            int capabilities;
 442
 443            capabilities =
 444                dri2_dpy->image->getCapabilities(dri2_dpy->dri_screen);
 445            disp->Extensions.WL_bind_wayland_display =
 446                (capabilities & __DRI_IMAGE_CAP_GLOBAL_NAMES) != 0;
 447        } else {
 448            disp->Extensions.WL_bind_wayland_display = EGL_TRUE;
 449        }
 450    }
 451 #endif
 452 }
 453
 454 void
 455 dri2_display_destroy(_EGLDisplay *disp);
 456
 457 #endif /* EGL_DRI2_INCLUDED */