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
  78 #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
  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 (*swap_buffers_region)(_EGLDriver *drv, _EGLDisplay *dpy,
 127                                      _EGLSurface *surf, EGLint numRects,
 128                                      const EGLint *rects);
 129
 130    EGLBoolean (*post_sub_buffer)(_EGLDriver *drv, _EGLDisplay *dpy,
 131                                  _EGLSurface *surf,
 132                                  EGLint x, EGLint y,
 133                                  EGLint width, EGLint height);
 134
 135    EGLBoolean (*copy_buffers)(_EGLDriver *drv, _EGLDisplay *dpy,
 136                               _EGLSurface *surf, void *native_pixmap_target);
 137
 138    EGLint (*query_buffer_age)(_EGLDriver *drv, _EGLDisplay *dpy,
 139                               _EGLSurface *surf);
 140
 141    struct wl_buffer* (*create_wayland_buffer_from_image)(
 142                         _EGLDriver *drv, _EGLDisplay *dpy, _EGLImage *img);
 143
 144    EGLBoolean (*get_sync_values)(_EGLDisplay *display, _EGLSurface *surface,
 145                                  EGLuint64KHR *ust, EGLuint64KHR *msc,
 146                                  EGLuint64KHR *sbc);
 147 };
 148
 149 struct dri2_egl_display
 150 {
 151    const struct dri2_egl_display_vtbl *vtbl;
 152
 153    int                       dri2_major;
 154    int                       dri2_minor;
 155    __DRIscreen              *dri_screen;
 156    int                       own_dri_screen;
 157    const __DRIconfig       **driver_configs;
 158    void                     *driver;
 159    const __DRIcoreExtension       *core;
 160    const __DRIdri2Extension       *dri2;
 161    const __DRIswrastExtension     *swrast;
 162    const __DRI2flushExtension     *flush;
 163    const __DRItexBufferExtension  *tex_buffer;
 164    const __DRIimageExtension      *image;
 165    const __DRIrobustnessExtension *robustness;
 166    const __DRI2configQueryExtension *config;
 167    int                       fd;
 168
 169    int                       own_device;
 170    int                       swap_available;
 171    int                       invalidate_available;
 172    int                       min_swap_interval;
 173    int                       max_swap_interval;
 174    int                       default_swap_interval;
 175 #ifdef HAVE_DRM_PLATFORM
 176    struct gbm_dri_device    *gbm_dri;
 177 #endif
 178
 179    char                     *device_name;
 180    char                     *driver_name;
 181
 182    __DRIdri2LoaderExtension    dri2_loader_extension;
 183    __DRIswrastLoaderExtension  swrast_loader_extension;
 184    const __DRIextension     *extensions[5];
 185    const __DRIextension    **driver_extensions;
 186
 187 #ifdef HAVE_X11_PLATFORM
 188    xcb_connection_t         *conn;
 189    int                      screen;
 190 #endif
 191
 192 #ifdef HAVE_WAYLAND_PLATFORM
 193    struct wl_display        *wl_dpy;
 194    struct wl_registry       *wl_registry;
 195    struct wl_drm            *wl_server_drm;
 196    struct wl_drm            *wl_drm;
 197    struct wl_event_queue    *wl_queue;
 198    int                       authenticated;
 199    int                       formats;
 200    uint32_t                  capabilities;
 201 #endif
 202 };
 203
 204 struct dri2_egl_context
 205 {
 206    _EGLContext   base;
 207    __DRIcontext *dri_context;
 208 };
 209
 210 #ifdef HAVE_WAYLAND_PLATFORM
 211 enum wayland_buffer_type {
 212    WL_BUFFER_FRONT,
 213    WL_BUFFER_BACK,
 214    WL_BUFFER_THIRD,
 215    WL_BUFFER_COUNT
 216 };
 217 #endif
 218
 219 struct dri2_egl_surface
 220 {
 221    _EGLSurface          base;
 222    __DRIdrawable       *dri_drawable;
 223    __DRIbuffer          buffers[5];
 224    int                  buffer_count;
 225    int                  have_fake_front;
 226
 227 #ifdef HAVE_X11_PLATFORM
 228    xcb_drawable_t       drawable;
 229    xcb_xfixes_region_t  region;
 230    int                  depth;
 231    int                  bytes_per_pixel;
 232    xcb_gcontext_t       gc;
 233    xcb_gcontext_t       swapgc;
 234 #endif
 235
 236 #ifdef HAVE_WAYLAND_PLATFORM
 237    struct wl_egl_window  *wl_win;
 238    int                    dx;
 239    int                    dy;
 240    struct wl_callback    *throttle_callback;
 241    int                    format;
 242 #endif
 243
 244 #ifdef HAVE_DRM_PLATFORM
 245    struct gbm_dri_surface *gbm_surf;
 246 #endif
 247
 248 #if defined(HAVE_WAYLAND_PLATFORM) || defined(HAVE_DRM_PLATFORM)
 249    __DRIbuffer           *dri_buffers[__DRI_BUFFER_COUNT];
 250    struct {
 251 #ifdef HAVE_WAYLAND_PLATFORM
 252       struct wl_buffer   *wl_buffer;
 253       __DRIimage         *dri_image;
 254 #endif
 255 #ifdef HAVE_DRM_PLATFORM
 256       struct gbm_bo       *bo;
 257 #endif
 258       int                 locked;
 259       int                 age;
 260    } color_buffers[4], *back, *current;
 261 #endif
 262
 263 #ifdef HAVE_ANDROID_PLATFORM
 264    struct ANativeWindow *window;
 265    struct ANativeWindowBuffer *buffer;
 266
 267    /* EGL-owned buffers */
 268    __DRIbuffer           *local_buffers[__DRI_BUFFER_COUNT];
 269 #endif
 270 };
 271
 272
 273 struct dri2_egl_config
 274 {
 275    _EGLConfig         base;
 276    const __DRIconfig *dri_single_config;
 277    const __DRIconfig *dri_double_config;
 278 };
 279
 280 struct dri2_egl_image
 281 {
 282    _EGLImage   base;
 283    __DRIimage *dri_image;
 284 };
 285
 286 /* From xmlpool/options.h, user exposed so should be stable */
 287 #define DRI_CONF_VBLANK_NEVER 0
 288 #define DRI_CONF_VBLANK_DEF_INTERVAL_0 1
 289 #define DRI_CONF_VBLANK_DEF_INTERVAL_1 2
 290 #define DRI_CONF_VBLANK_ALWAYS_SYNC 3
 291
 292 /* standard typecasts */
 293 _EGL_DRIVER_STANDARD_TYPECASTS(dri2_egl)
 294 _EGL_DRIVER_TYPECAST(dri2_egl_image, _EGLImage, obj)
 295
 296 extern const __DRIimageLookupExtension image_lookup_extension;
 297 extern const __DRIuseInvalidateExtension use_invalidate;
 298
 299 EGLBoolean
 300 dri2_load_driver(_EGLDisplay *disp);
 301
 302 /* Helper for platforms not using dri2_create_screen */
 303 void
 304 dri2_setup_screen(_EGLDisplay *disp);
 305
 306 EGLBoolean
 307 dri2_load_driver_swrast(_EGLDisplay *disp);
 308
 309 EGLBoolean
 310 dri2_create_screen(_EGLDisplay *disp);
 311
 312 __DRIimage *
 313 dri2_lookup_egl_image(__DRIscreen *screen, void *image, void *data);
 314
 315 struct dri2_egl_config *
 316 dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
 317                 EGLint surface_type, const EGLint *attr_list,
 318                 const unsigned int *rgba_masks);
 319
 320 _EGLImage *
 321 dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
 322                       _EGLContext *ctx, EGLenum target,
 323                       EGLClientBuffer buffer, const EGLint *attr_list);
 324
 325 EGLBoolean
 326 dri2_initialize_x11(_EGLDriver *drv, _EGLDisplay *disp);
 327
 328 EGLBoolean
 329 dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp);
 330
 331 EGLBoolean
 332 dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp);
 333
 334 EGLBoolean
 335 dri2_initialize_android(_EGLDriver *drv, _EGLDisplay *disp);
 336
 337 void
 338 dri2_flush_drawable_for_swapbuffers(_EGLDisplay *disp, _EGLSurface *draw);
 339
 340 #endif /* EGL_DRI2_INCLUDED */