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 <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 #if ANDROID_VERSION >= 0x0400
  60 #  include <system/window.h>
  61 #else
  62 #  define android_native_buffer_t ANativeWindowBuffer
  63 #  include <ui/egl/android_natives.h>
  64 #  include <ui/android_native_buffer.h>
  65 #endif
  66
  67 #include <hardware/gralloc.h>
  68 #include <gralloc_drm_handle.h>
  69 #include <cutils/log.h>
  70
  71 #endif /* HAVE_ANDROID_PLATFORM */
  72
  73 #include "eglconfig.h"
  74 #include "eglcontext.h"
  75 #include "egldisplay.h"
  76 #include "egldriver.h"
  77 #include "eglcurrent.h"
  78 #include "egllog.h"
  79 #include "eglsurface.h"
  80 #include "eglimage.h"
  81 #include "eglsync.h"
  82
  83 #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
  84
  85 struct wl_buffer;
  86
  87 struct dri2_egl_driver
  88 {
  89    _EGLDriver base;
  90
  91    void *handle;
  92    _EGLProc (*get_proc_address)(const char *procname);
  93    void (*glFlush)(void);
  94 };
  95
  96 struct dri2_egl_display_vtbl {
  97    int (*authenticate)(_EGLDisplay *disp, uint32_t id);
  98
  99    _EGLSurface* (*create_window_surface)(_EGLDriver *drv, _EGLDisplay *dpy,
 100                                          _EGLConfig *config,
 101                                          void *native_window,
 102                                          const EGLint *attrib_list);
 103
 104    _EGLSurface* (*create_pixmap_surface)(_EGLDriver *drv, _EGLDisplay *dpy,
 105                                          _EGLConfig *config,
 106                                          void *native_pixmap,
 107                                          const EGLint *attrib_list);
 108
 109    _EGLSurface* (*create_pbuffer_surface)(_EGLDriver *drv, _EGLDisplay *dpy,
 110                                           _EGLConfig *config,
 111                                           const EGLint *attrib_list);
 112
 113    EGLBoolean (*destroy_surface)(_EGLDriver *drv, _EGLDisplay *dpy,
 114                                  _EGLSurface *surface);
 115
 116    EGLBoolean (*swap_interval)(_EGLDriver *drv, _EGLDisplay *dpy,
 117                                _EGLSurface *surf, EGLint interval);
 118
 119    _EGLImage* (*create_image)(_EGLDriver *drv, _EGLDisplay *dpy,
 120                               _EGLContext *ctx, EGLenum target,
 121                               EGLClientBuffer buffer,
 122                               const EGLint *attr_list);
 123
 124    EGLBoolean (*swap_buffers)(_EGLDriver *drv, _EGLDisplay *dpy,
 125                               _EGLSurface *surf);
 126
 127    EGLBoolean (*swap_buffers_with_damage)(_EGLDriver *drv, _EGLDisplay *dpy,
 128                                           _EGLSurface *surface,
 129                                           const EGLint *rects, EGLint n_rects);
 130
 131    EGLBoolean (*swap_buffers_region)(_EGLDriver *drv, _EGLDisplay *dpy,
 132                                      _EGLSurface *surf, EGLint numRects,
 133                                      const EGLint *rects);
 134
 135    EGLBoolean (*post_sub_buffer)(_EGLDriver *drv, _EGLDisplay *dpy,
 136                                  _EGLSurface *surf,
 137                                  EGLint x, EGLint y,
 138                                  EGLint width, EGLint height);
 139
 140    EGLBoolean (*copy_buffers)(_EGLDriver *drv, _EGLDisplay *dpy,
 141                               _EGLSurface *surf, void *native_pixmap_target);
 142
 143    EGLint (*query_buffer_age)(_EGLDriver *drv, _EGLDisplay *dpy,
 144                               _EGLSurface *surf);
 145
 146    EGLBoolean (*query_surface)(_EGLDriver *drv, _EGLDisplay *dpy,
 147                                _EGLSurface *surf, EGLint attribute,
 148                                EGLint *value);
 149
 150    struct wl_buffer* (*create_wayland_buffer_from_image)(
 151                         _EGLDriver *drv, _EGLDisplay *dpy, _EGLImage *img);
 152
 153    EGLBoolean (*get_sync_values)(_EGLDisplay *display, _EGLSurface *surface,
 154                                  EGLuint64KHR *ust, EGLuint64KHR *msc,
 155                                  EGLuint64KHR *sbc);
 156
 157    __DRIdrawable *(*get_dri_drawable)(_EGLSurface *surf);
 158 };
 159
 160 struct dri2_egl_display
 161 {
 162    const struct dri2_egl_display_vtbl *vtbl;
 163
 164    int                       dri2_major;
 165    int                       dri2_minor;
 166    __DRIscreen              *dri_screen;
 167    int                       own_dri_screen;
 168    const __DRIconfig       **driver_configs;
 169    void                     *driver;
 170    const __DRIcoreExtension       *core;
 171    const __DRIimageDriverExtension *image_driver;
 172    const __DRIdri2Extension       *dri2;
 173    const __DRIswrastExtension     *swrast;
 174    const __DRI2flushExtension     *flush;
 175    const __DRItexBufferExtension  *tex_buffer;
 176    const __DRIimageExtension      *image;
 177    const __DRIrobustnessExtension *robustness;
 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    int                       own_device;
 189    int                       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    int                      screen;
 205    int                      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_registry       *wl_registry;
 214    struct wl_drm            *wl_server_drm;
 215    struct wl_drm            *wl_drm;
 216    struct wl_shm            *wl_shm;
 217    struct wl_event_queue    *wl_queue;
 218    int                       authenticated;
 219    int                       formats;
 220    uint32_t                  capabilities;
 221    char                     *device_name;
 222 #endif
 223
 224    int                       is_render_node;
 225    int                       is_different_gpu;
 226 };
 227
 228 struct dri2_egl_context
 229 {
 230    _EGLContext   base;
 231    __DRIcontext *dri_context;
 232 };
 233
 234 #ifdef HAVE_WAYLAND_PLATFORM
 235 enum wayland_buffer_type {
 236    WL_BUFFER_FRONT,
 237    WL_BUFFER_BACK,
 238    WL_BUFFER_THIRD,
 239    WL_BUFFER_COUNT
 240 };
 241 #endif
 242
 243 struct dri2_egl_surface
 244 {
 245    _EGLSurface          base;
 246    __DRIdrawable       *dri_drawable;
 247    __DRIbuffer          buffers[5];
 248    int                  buffer_count;
 249    int                  have_fake_front;
 250
 251 #ifdef HAVE_X11_PLATFORM
 252    xcb_drawable_t       drawable;
 253    xcb_xfixes_region_t  region;
 254    int                  depth;
 255    int                  bytes_per_pixel;
 256    xcb_gcontext_t       gc;
 257    xcb_gcontext_t       swapgc;
 258 #endif
 259
 260 #ifdef HAVE_WAYLAND_PLATFORM
 261    struct wl_egl_window  *wl_win;
 262    int                    dx;
 263    int                    dy;
 264    struct wl_callback    *throttle_callback;
 265    int                    format;
 266 #endif
 267
 268 #ifdef HAVE_DRM_PLATFORM
 269    struct gbm_dri_surface *gbm_surf;
 270 #endif
 271
 272 #if defined(HAVE_WAYLAND_PLATFORM) || defined(HAVE_DRM_PLATFORM)
 273    __DRIbuffer           *dri_buffers[__DRI_BUFFER_COUNT];
 274    struct {
 275 #ifdef HAVE_WAYLAND_PLATFORM
 276       struct wl_buffer   *wl_buffer;
 277       __DRIimage         *dri_image;
 278       /* for is_different_gpu case. NULL else */
 279       __DRIimage         *linear_copy;
 280       /* for swrast */
 281       void *data;
 282       int data_size;
 283 #endif
 284 #ifdef HAVE_DRM_PLATFORM
 285       struct gbm_bo       *bo;
 286 #endif
 287       int                 locked;
 288       int                 age;
 289    } color_buffers[4], *back, *current;
 290 #endif
 291
 292 #ifdef HAVE_ANDROID_PLATFORM
 293    struct ANativeWindow *window;
 294    struct ANativeWindowBuffer *buffer;
 295    __DRIimage *dri_image;
 296
 297    /* EGL-owned buffers */
 298    __DRIbuffer           *local_buffers[__DRI_BUFFER_COUNT];
 299 #endif
 300
 301 #if defined(HAVE_SURFACELESS_PLATFORM)
 302       __DRIimage           *front;
 303       unsigned int         visual;
 304 #endif
 305 };
 306
 307 struct dri2_egl_config
 308 {
 309    _EGLConfig         base;
 310    const __DRIconfig *dri_single_config[2];
 311    const __DRIconfig *dri_double_config[2];
 312 };
 313
 314 struct dri2_egl_image
 315 {
 316    _EGLImage   base;
 317    __DRIimage *dri_image;
 318 };
 319
 320 struct dri2_egl_sync {
 321    _EGLSync base;
 322    mtx_t mutex;
 323    cnd_t cond;
 324    int refcount;
 325    void *fence;
 326 };
 327
 328 /* From xmlpool/options.h, user exposed so should be stable */
 329 #define DRI_CONF_VBLANK_NEVER 0
 330 #define DRI_CONF_VBLANK_DEF_INTERVAL_0 1
 331 #define DRI_CONF_VBLANK_DEF_INTERVAL_1 2
 332 #define DRI_CONF_VBLANK_ALWAYS_SYNC 3
 333
 334 /* standard typecasts */
 335 _EGL_DRIVER_STANDARD_TYPECASTS(dri2_egl)
 336 _EGL_DRIVER_TYPECAST(dri2_egl_image, _EGLImage, obj)
 337 _EGL_DRIVER_TYPECAST(dri2_egl_sync, _EGLSync, obj)
 338
 339 extern const __DRIimageLookupExtension image_lookup_extension;
 340 extern const __DRIuseInvalidateExtension use_invalidate;
 341
 342 EGLBoolean
 343 dri2_load_driver(_EGLDisplay *disp);
 344
 345 /* Helper for platforms not using dri2_create_screen */
 346 void
 347 dri2_setup_screen(_EGLDisplay *disp);
 348
 349 EGLBoolean
 350 dri2_load_driver_swrast(_EGLDisplay *disp);
 351
 352 EGLBoolean
 353 dri2_load_driver_dri3(_EGLDisplay *disp);
 354
 355 EGLBoolean
 356 dri2_create_screen(_EGLDisplay *disp);
 357
 358 __DRIdrawable *
 359 dri2_surface_get_dri_drawable(_EGLSurface *surf);
 360
 361 __DRIimage *
 362 dri2_lookup_egl_image(__DRIscreen *screen, void *image, void *data);
 363
 364 struct dri2_egl_config *
 365 dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
 366                 EGLint surface_type, const EGLint *attr_list,
 367                 const unsigned int *rgba_masks);
 368
 369 _EGLImage *
 370 dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
 371                       _EGLContext *ctx, EGLenum target,
 372                       EGLClientBuffer buffer, const EGLint *attr_list);
 373
 374 _EGLImage *
 375 dri2_create_image_dma_buf(_EGLDisplay *disp, _EGLContext *ctx,
 376                           EGLClientBuffer buffer, const EGLint *attr_list);
 377
 378 EGLBoolean
 379 dri2_initialize_x11(_EGLDriver *drv, _EGLDisplay *disp);
 380
 381 EGLBoolean
 382 dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp);
 383
 384 EGLBoolean
 385 dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp);
 386
 387 EGLBoolean
 388 dri2_initialize_android(_EGLDriver *drv, _EGLDisplay *disp);
 389
 390 EGLBoolean
 391 dri2_initialize_surfaceless(_EGLDriver *drv, _EGLDisplay *disp);
 392
 393 void
 394 dri2_flush_drawable_for_swapbuffers(_EGLDisplay *disp, _EGLSurface *draw);
 395
 396 const __DRIconfig *
 397 dri2_get_dri_config(struct dri2_egl_config *conf, EGLint surface_type,
 398                     EGLenum colorspace);
 399
 400 static inline void
 401 dri2_set_WL_bind_wayland_display(_EGLDriver *drv, _EGLDisplay *disp)
 402 {
 403 #ifdef HAVE_WAYLAND_PLATFORM
 404    struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
 405
 406    (void) drv;
 407
 408    if (dri2_dpy->device_name && dri2_dpy->image) {
 409        if (dri2_dpy->image->base.version >= 10 &&
 410            dri2_dpy->image->getCapabilities != NULL) {
 411            int capabilities;
 412
 413            capabilities =
 414                dri2_dpy->image->getCapabilities(dri2_dpy->dri_screen);
 415            disp->Extensions.WL_bind_wayland_display =
 416                (capabilities & __DRI_IMAGE_CAP_GLOBAL_NAMES) != 0;
 417        } else {
 418            disp->Extensions.WL_bind_wayland_display = EGL_TRUE;
 419        }
 420    }
 421 #endif
 422 }
 423
 424 #endif /* EGL_DRI2_INCLUDED */