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 #endif
  39
  40 #ifdef HAVE_WAYLAND_PLATFORM
  41 #include <wayland-client.h>
  42 #include "wayland-egl-priv.h"
  43 #endif
  44
  45 #include <GL/gl.h>
  46 #include <GL/internal/dri_interface.h>
  47
  48 #ifdef HAVE_DRM_PLATFORM
  49 #include <gbm_driint.h>
  50 #endif
  51
  52 #ifdef HAVE_ANDROID_PLATFORM
  53 #define LOG_TAG "EGL-DRI2"
  54
  55 #if ANDROID_VERSION >= 0x0400
  56 #  include <system/window.h>
  57 #else
  58 #  define android_native_buffer_t ANativeWindowBuffer
  59 #  include <ui/egl/android_natives.h>
  60 #  include <ui/android_native_buffer.h>
  61 #endif
  62
  63 #include <hardware/gralloc.h>
  64 #include <gralloc_drm_handle.h>
  65 #include <cutils/log.h>
  66
  67 #endif /* HAVE_ANDROID_PLATFORM */
  68
  69 #include "eglconfig.h"
  70 #include "eglcontext.h"
  71 #include "egldisplay.h"
  72 #include "egldriver.h"
  73 #include "eglcurrent.h"
  74 #include "egllog.h"
  75 #include "eglsurface.h"
  76 #include "eglimage.h"
  77 #include "eglsync.h"
  78
  79 #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
  80
  81 struct wl_buffer;
  82
  83 struct dri2_egl_driver
  84 {
  85    _EGLDriver base;
  86
  87    void *handle;
  88    _EGLProc (*get_proc_address)(const char *procname);
  89    void (*glFlush)(void);
  90 };
  91
  92 struct dri2_egl_display_vtbl {
  93    int (*authenticate)(_EGLDisplay *disp, uint32_t id);
  94
  95    _EGLSurface* (*create_window_surface)(_EGLDriver *drv, _EGLDisplay *dpy,
  96                                          _EGLConfig *config,
  97                                          void *native_window,
  98                                          const EGLint *attrib_list);
  99
 100    _EGLSurface* (*create_pixmap_surface)(_EGLDriver *drv, _EGLDisplay *dpy,
 101                                          _EGLConfig *config,
 102                                          void *native_pixmap,
 103                                          const EGLint *attrib_list);
 104
 105    _EGLSurface* (*create_pbuffer_surface)(_EGLDriver *drv, _EGLDisplay *dpy,
 106                                           _EGLConfig *config,
 107                                           const EGLint *attrib_list);
 108
 109    EGLBoolean (*destroy_surface)(_EGLDriver *drv, _EGLDisplay *dpy,
 110                                  _EGLSurface *surface);
 111
 112    EGLBoolean (*swap_interval)(_EGLDriver *drv, _EGLDisplay *dpy,
 113                                _EGLSurface *surf, EGLint interval);
 114
 115    _EGLImage* (*create_image)(_EGLDriver *drv, _EGLDisplay *dpy,
 116                               _EGLContext *ctx, EGLenum target,
 117                               EGLClientBuffer buffer,
 118                               const EGLint *attr_list);
 119
 120    EGLBoolean (*swap_buffers)(_EGLDriver *drv, _EGLDisplay *dpy,
 121                               _EGLSurface *surf);
 122
 123    EGLBoolean (*swap_buffers_with_damage)(_EGLDriver *drv, _EGLDisplay *dpy,
 124                                           _EGLSurface *surface,
 125                                           const EGLint *rects, EGLint n_rects);
 126
 127    EGLBoolean (*swap_buffers_region)(_EGLDriver *drv, _EGLDisplay *dpy,
 128                                      _EGLSurface *surf, EGLint numRects,
 129                                      const EGLint *rects);
 130
 131    EGLBoolean (*post_sub_buffer)(_EGLDriver *drv, _EGLDisplay *dpy,
 132                                  _EGLSurface *surf,
 133                                  EGLint x, EGLint y,
 134                                  EGLint width, EGLint height);
 135
 136    EGLBoolean (*copy_buffers)(_EGLDriver *drv, _EGLDisplay *dpy,
 137                               _EGLSurface *surf, void *native_pixmap_target);
 138
 139    EGLint (*query_buffer_age)(_EGLDriver *drv, _EGLDisplay *dpy,
 140                               _EGLSurface *surf);
 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
 150 struct dri2_egl_display
 151 {
 152    const struct dri2_egl_display_vtbl *vtbl;
 153
 154    int                       dri2_major;
 155    int                       dri2_minor;
 156    __DRIscreen              *dri_screen;
 157    int                       own_dri_screen;
 158    const __DRIconfig       **driver_configs;
 159    void                     *driver;
 160    const __DRIcoreExtension       *core;
 161    const __DRIdri2Extension       *dri2;
 162    const __DRIswrastExtension     *swrast;
 163    const __DRI2flushExtension     *flush;
 164    const __DRItexBufferExtension  *tex_buffer;
 165    const __DRIimageExtension      *image;
 166    const __DRIrobustnessExtension *robustness;
 167    const __DRI2configQueryExtension *config;
 168    const __DRI2fenceExtension *fence;
 169    int                       fd;
 170
 171    int                       own_device;
 172    int                       swap_available;
 173    int                       invalidate_available;
 174    int                       min_swap_interval;
 175    int                       max_swap_interval;
 176    int                       default_swap_interval;
 177 #ifdef HAVE_DRM_PLATFORM
 178    struct gbm_dri_device    *gbm_dri;
 179 #endif
 180
 181    char                     *device_name;
 182    char                     *driver_name;
 183
 184    __DRIdri2LoaderExtension    dri2_loader_extension;
 185    __DRIswrastLoaderExtension  swrast_loader_extension;
 186    const __DRIextension     *extensions[5];
 187    const __DRIextension    **driver_extensions;
 188
 189 #ifdef HAVE_X11_PLATFORM
 190    xcb_connection_t         *conn;
 191    int                      screen;
 192 #endif
 193
 194 #ifdef HAVE_WAYLAND_PLATFORM
 195    struct wl_display        *wl_dpy;
 196    struct wl_registry       *wl_registry;
 197    struct wl_drm            *wl_server_drm;
 198    struct wl_drm            *wl_drm;
 199    struct wl_shm            *wl_shm;
 200    struct wl_event_queue    *wl_queue;
 201    int                       authenticated;
 202    int                       formats;
 203    uint32_t                  capabilities;
 204    int                       is_render_node;
 205    int                       is_different_gpu;
 206 #endif
 207 };
 208
 209 struct dri2_egl_context
 210 {
 211    _EGLContext   base;
 212    __DRIcontext *dri_context;
 213 };
 214
 215 #ifdef HAVE_WAYLAND_PLATFORM
 216 enum wayland_buffer_type {
 217    WL_BUFFER_FRONT,
 218    WL_BUFFER_BACK,
 219    WL_BUFFER_THIRD,
 220    WL_BUFFER_COUNT
 221 };
 222 #endif
 223
 224 struct dri2_egl_surface
 225 {
 226    _EGLSurface          base;
 227    __DRIdrawable       *dri_drawable;
 228    __DRIbuffer          buffers[5];
 229    int                  buffer_count;
 230    int                  have_fake_front;
 231
 232 #ifdef HAVE_X11_PLATFORM
 233    xcb_drawable_t       drawable;
 234    xcb_xfixes_region_t  region;
 235    int                  depth;
 236    int                  bytes_per_pixel;
 237    xcb_gcontext_t       gc;
 238    xcb_gcontext_t       swapgc;
 239 #endif
 240
 241 #ifdef HAVE_WAYLAND_PLATFORM
 242    struct wl_egl_window  *wl_win;
 243    int                    dx;
 244    int                    dy;
 245    struct wl_callback    *throttle_callback;
 246    int                    format;
 247 #endif
 248
 249 #ifdef HAVE_DRM_PLATFORM
 250    struct gbm_dri_surface *gbm_surf;
 251 #endif
 252
 253 #if defined(HAVE_WAYLAND_PLATFORM) || defined(HAVE_DRM_PLATFORM)
 254    __DRIbuffer           *dri_buffers[__DRI_BUFFER_COUNT];
 255    struct {
 256 #ifdef HAVE_WAYLAND_PLATFORM
 257       struct wl_buffer   *wl_buffer;
 258       __DRIimage         *dri_image;
 259       /* for is_different_gpu case. NULL else */
 260       __DRIimage         *linear_copy;
 261       /* for swrast */
 262       void *data;
 263       int data_size;
 264 #endif
 265 #ifdef HAVE_DRM_PLATFORM
 266       struct gbm_bo       *bo;
 267 #endif
 268       int                 locked;
 269       int                 age;
 270    } color_buffers[4], *back, *current;
 271 #endif
 272
 273 #ifdef HAVE_ANDROID_PLATFORM
 274    struct ANativeWindow *window;
 275    struct ANativeWindowBuffer *buffer;
 276
 277    /* EGL-owned buffers */
 278    __DRIbuffer           *local_buffers[__DRI_BUFFER_COUNT];
 279 #endif
 280 };
 281
 282
 283 struct dri2_egl_config
 284 {
 285    _EGLConfig         base;
 286    const __DRIconfig *dri_single_config;
 287    const __DRIconfig *dri_double_config;
 288 };
 289
 290 struct dri2_egl_image
 291 {
 292    _EGLImage   base;
 293    __DRIimage *dri_image;
 294 };
 295
 296 struct dri2_egl_sync {
 297    _EGLSync base;
 298    int refcount;
 299    void *fence;
 300 };
 301
 302 /* From xmlpool/options.h, user exposed so should be stable */
 303 #define DRI_CONF_VBLANK_NEVER 0
 304 #define DRI_CONF_VBLANK_DEF_INTERVAL_0 1
 305 #define DRI_CONF_VBLANK_DEF_INTERVAL_1 2
 306 #define DRI_CONF_VBLANK_ALWAYS_SYNC 3
 307
 308 /* standard typecasts */
 309 _EGL_DRIVER_STANDARD_TYPECASTS(dri2_egl)
 310 _EGL_DRIVER_TYPECAST(dri2_egl_image, _EGLImage, obj)
 311 _EGL_DRIVER_TYPECAST(dri2_egl_sync, _EGLSync, obj)
 312
 313 extern const __DRIimageLookupExtension image_lookup_extension;
 314 extern const __DRIuseInvalidateExtension use_invalidate;
 315
 316 EGLBoolean
 317 dri2_load_driver(_EGLDisplay *disp);
 318
 319 /* Helper for platforms not using dri2_create_screen */
 320 void
 321 dri2_setup_screen(_EGLDisplay *disp);
 322
 323 EGLBoolean
 324 dri2_load_driver_swrast(_EGLDisplay *disp);
 325
 326 EGLBoolean
 327 dri2_create_screen(_EGLDisplay *disp);
 328
 329 __DRIimage *
 330 dri2_lookup_egl_image(__DRIscreen *screen, void *image, void *data);
 331
 332 struct dri2_egl_config *
 333 dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
 334                 EGLint surface_type, const EGLint *attr_list,
 335                 const unsigned int *rgba_masks);
 336
 337 _EGLImage *
 338 dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
 339                       _EGLContext *ctx, EGLenum target,
 340                       EGLClientBuffer buffer, const EGLint *attr_list);
 341
 342 EGLBoolean
 343 dri2_initialize_x11(_EGLDriver *drv, _EGLDisplay *disp);
 344
 345 EGLBoolean
 346 dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp);
 347
 348 EGLBoolean
 349 dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp);
 350
 351 EGLBoolean
 352 dri2_initialize_android(_EGLDriver *drv, _EGLDisplay *disp);
 353
 354 EGLBoolean
 355 dri2_initialize_surfaceless(_EGLDriver *drv, _EGLDisplay *disp);
 356
 357 void
 358 dri2_flush_drawable_for_swapbuffers(_EGLDisplay *disp, _EGLSurface *draw);
 359
 360 #endif /* EGL_DRI2_INCLUDED */