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 #ifdef HAVE_X11_PLATFORM
  32 #include <xcb/xcb.h>
  33 #include <xcb/dri2.h>
  34 #include <xcb/xfixes.h>
  35 #include <X11/Xlib-xcb.h>
  36 #endif
  37
  38 #ifdef HAVE_WAYLAND_PLATFORM
  39 #include <wayland-client.h>
  40 #include "wayland-egl-priv.h"
  41 #endif
  42
  43 #include <GL/gl.h>
  44 #include <GL/internal/dri_interface.h>
  45
  46 #ifdef HAVE_DRM_PLATFORM
  47 #include <gbm_driint.h>
  48 #endif
  49
  50 #ifdef HAVE_ANDROID_PLATFORM
  51 #define LOG_TAG "EGL-DRI2"
  52
  53 #if ANDROID_VERSION >= 0x0400
  54 #  include <system/window.h>
  55 #else
  56 #  define android_native_buffer_t ANativeWindowBuffer
  57 #  include <ui/egl/android_natives.h>
  58 #  include <ui/android_native_buffer.h>
  59 #endif
  60
  61 #include <hardware/gralloc.h>
  62 #include <gralloc_drm_handle.h>
  63 #include <cutils/log.h>
  64
  65 #endif /* HAVE_ANDROID_PLATFORM */
  66
  67 #include "eglconfig.h"
  68 #include "eglcontext.h"
  69 #include "egldisplay.h"
  70 #include "egldriver.h"
  71 #include "eglcurrent.h"
  72 #include "egllog.h"
  73 #include "eglsurface.h"
  74 #include "eglimage.h"
  75
  76 #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
  77
  78 struct wl_buffer;
  79
  80 struct dri2_egl_driver
  81 {
  82    _EGLDriver base;
  83
  84    void *handle;
  85    _EGLProc (*get_proc_address)(const char *procname);
  86    void (*glFlush)(void);
  87 };
  88
  89 struct dri2_egl_display_vtbl {
  90    int (*authenticate)(_EGLDisplay *disp, uint32_t id);
  91
  92    _EGLSurface* (*create_window_surface)(_EGLDriver *drv, _EGLDisplay *dpy,
  93                                          _EGLConfig *config,
  94                                          void *native_window,
  95                                          const EGLint *attrib_list);
  96
  97    _EGLSurface* (*create_pixmap_surface)(_EGLDriver *drv, _EGLDisplay *dpy,
  98                                          _EGLConfig *config,
  99                                          void *native_pixmap,
 100                                          const EGLint *attrib_list);
 101
 102    _EGLSurface* (*create_pbuffer_surface)(_EGLDriver *drv, _EGLDisplay *dpy,
 103                                           _EGLConfig *config,
 104                                           const EGLint *attrib_list);
 105
 106    EGLBoolean (*destroy_surface)(_EGLDriver *drv, _EGLDisplay *dpy,
 107                                  _EGLSurface *surface);
 108
 109    EGLBoolean (*swap_interval)(_EGLDriver *drv, _EGLDisplay *dpy,
 110                                _EGLSurface *surf, EGLint interval);
 111
 112    _EGLImage* (*create_image)(_EGLDriver *drv, _EGLDisplay *dpy,
 113                               _EGLContext *ctx, EGLenum target,
 114                               EGLClientBuffer buffer,
 115                               const EGLint *attr_list);
 116
 117    EGLBoolean (*swap_buffers)(_EGLDriver *drv, _EGLDisplay *dpy,
 118                               _EGLSurface *surf);
 119
 120    EGLBoolean (*swap_buffers_with_damage)(_EGLDriver *drv, _EGLDisplay *dpy,
 121                                           _EGLSurface *surface,
 122                                           const EGLint *rects, EGLint n_rects);
 123
 124    EGLBoolean (*swap_buffers_region)(_EGLDriver *drv, _EGLDisplay *dpy,
 125                                      _EGLSurface *surf, EGLint numRects,
 126                                      const EGLint *rects);
 127
 128    EGLBoolean (*post_sub_buffer)(_EGLDriver *drv, _EGLDisplay *dpy,
 129                                  _EGLSurface *surf,
 130                                  EGLint x, EGLint y,
 131                                  EGLint width, EGLint height);
 132
 133    EGLBoolean (*copy_buffers)(_EGLDriver *drv, _EGLDisplay *dpy,
 134                               _EGLSurface *surf, void *native_pixmap_target);
 135
 136    EGLint (*query_buffer_age)(_EGLDriver *drv, _EGLDisplay *dpy,
 137                               _EGLSurface *surf);
 138
 139    struct wl_buffer* (*create_wayland_buffer_from_image)(
 140                         _EGLDriver *drv, _EGLDisplay *dpy, _EGLImage *img);
 141
 142    EGLBoolean (*get_sync_values)(_EGLDisplay *display, _EGLSurface *surface,
 143                                  EGLuint64KHR *ust, EGLuint64KHR *msc,
 144                                  EGLuint64KHR *sbc);
 145 };
 146
 147 struct dri2_egl_display
 148 {
 149    const struct dri2_egl_display_vtbl *vtbl;
 150
 151    int                       dri2_major;
 152    int                       dri2_minor;
 153    __DRIscreen              *dri_screen;
 154    int                       own_dri_screen;
 155    const __DRIconfig       **driver_configs;
 156    void                     *driver;
 157    const __DRIcoreExtension       *core;
 158    const __DRIdri2Extension       *dri2;
 159    const __DRIswrastExtension     *swrast;
 160    const __DRI2flushExtension     *flush;
 161    const __DRItexBufferExtension  *tex_buffer;
 162    const __DRIimageExtension      *image;
 163    const __DRIrobustnessExtension *robustness;
 164    const __DRI2configQueryExtension *config;
 165    int                       fd;
 166
 167    int                       own_device;
 168    int                       swap_available;
 169    int                       invalidate_available;
 170    int                       min_swap_interval;
 171    int                       max_swap_interval;
 172    int                       default_swap_interval;
 173 #ifdef HAVE_DRM_PLATFORM
 174    struct gbm_dri_device    *gbm_dri;
 175 #endif
 176
 177    char                     *device_name;
 178    char                     *driver_name;
 179
 180    __DRIdri2LoaderExtension    dri2_loader_extension;
 181    __DRIswrastLoaderExtension  swrast_loader_extension;
 182    const __DRIextension     *extensions[5];
 183    const __DRIextension    **driver_extensions;
 184
 185 #ifdef HAVE_X11_PLATFORM
 186    xcb_connection_t         *conn;
 187 #endif
 188
 189 #ifdef HAVE_WAYLAND_PLATFORM
 190    struct wl_display        *wl_dpy;
 191    struct wl_registry       *wl_registry;
 192    struct wl_drm            *wl_server_drm;
 193    struct wl_drm            *wl_drm;
 194    struct wl_event_queue    *wl_queue;
 195    int                       authenticated;
 196    int                       formats;
 197    uint32_t                  capabilities;
 198 #endif
 199 };
 200
 201 struct dri2_egl_context
 202 {
 203    _EGLContext   base;
 204    __DRIcontext *dri_context;
 205 };
 206
 207 #ifdef HAVE_WAYLAND_PLATFORM
 208 enum wayland_buffer_type {
 209    WL_BUFFER_FRONT,
 210    WL_BUFFER_BACK,
 211    WL_BUFFER_THIRD,
 212    WL_BUFFER_COUNT
 213 };
 214 #endif
 215
 216 struct dri2_egl_surface
 217 {
 218    _EGLSurface          base;
 219    __DRIdrawable       *dri_drawable;
 220    __DRIbuffer          buffers[5];
 221    int                  buffer_count;
 222    int                  have_fake_front;
 223
 224 #ifdef HAVE_X11_PLATFORM
 225    xcb_drawable_t       drawable;
 226    xcb_xfixes_region_t  region;
 227    int                  depth;
 228    int                  bytes_per_pixel;
 229    xcb_gcontext_t       gc;
 230    xcb_gcontext_t       swapgc;
 231 #endif
 232
 233 #ifdef HAVE_WAYLAND_PLATFORM
 234    struct wl_egl_window  *wl_win;
 235    int                    dx;
 236    int                    dy;
 237    struct wl_callback    *throttle_callback;
 238    int                    format;
 239 #endif
 240
 241 #ifdef HAVE_DRM_PLATFORM
 242    struct gbm_dri_surface *gbm_surf;
 243 #endif
 244
 245 #if defined(HAVE_WAYLAND_PLATFORM) || defined(HAVE_DRM_PLATFORM)
 246    __DRIbuffer           *dri_buffers[__DRI_BUFFER_COUNT];
 247    struct {
 248 #ifdef HAVE_WAYLAND_PLATFORM
 249       struct wl_buffer   *wl_buffer;
 250       __DRIimage         *dri_image;
 251 #endif
 252 #ifdef HAVE_DRM_PLATFORM
 253       struct gbm_bo       *bo;
 254 #endif
 255       int                 locked;
 256       int                 age;
 257    } color_buffers[4], *back, *current;
 258 #endif
 259
 260 #ifdef HAVE_ANDROID_PLATFORM
 261    struct ANativeWindow *window;
 262    struct ANativeWindowBuffer *buffer;
 263
 264    /* EGL-owned buffers */
 265    __DRIbuffer           *local_buffers[__DRI_BUFFER_COUNT];
 266 #endif
 267 };
 268
 269
 270 struct dri2_egl_config
 271 {
 272    _EGLConfig         base;
 273    const __DRIconfig *dri_single_config;
 274    const __DRIconfig *dri_double_config;
 275 };
 276
 277 struct dri2_egl_image
 278 {
 279    _EGLImage   base;
 280    __DRIimage *dri_image;
 281 };
 282
 283 /* From xmlpool/options.h, user exposed so should be stable */
 284 #define DRI_CONF_VBLANK_NEVER 0
 285 #define DRI_CONF_VBLANK_DEF_INTERVAL_0 1
 286 #define DRI_CONF_VBLANK_DEF_INTERVAL_1 2
 287 #define DRI_CONF_VBLANK_ALWAYS_SYNC 3
 288
 289 /* standard typecasts */
 290 _EGL_DRIVER_STANDARD_TYPECASTS(dri2_egl)
 291 _EGL_DRIVER_TYPECAST(dri2_egl_image, _EGLImage, obj)
 292
 293 extern const __DRIimageLookupExtension image_lookup_extension;
 294 extern const __DRIuseInvalidateExtension use_invalidate;
 295
 296 EGLBoolean
 297 dri2_load_driver(_EGLDisplay *disp);
 298
 299 /* Helper for platforms not using dri2_create_screen */
 300 void
 301 dri2_setup_screen(_EGLDisplay *disp);
 302
 303 EGLBoolean
 304 dri2_load_driver_swrast(_EGLDisplay *disp);
 305
 306 EGLBoolean
 307 dri2_create_screen(_EGLDisplay *disp);
 308
 309 __DRIimage *
 310 dri2_lookup_egl_image(__DRIscreen *screen, void *image, void *data);
 311
 312 struct dri2_egl_config *
 313 dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
 314                 EGLint surface_type, const EGLint *attr_list,
 315                 const unsigned int *rgba_masks);
 316
 317 _EGLImage *
 318 dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
 319                       _EGLContext *ctx, EGLenum target,
 320                       EGLClientBuffer buffer, const EGLint *attr_list);
 321
 322 EGLBoolean
 323 dri2_initialize_x11(_EGLDriver *drv, _EGLDisplay *disp);
 324
 325 EGLBoolean
 326 dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp);
 327
 328 EGLBoolean
 329 dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp);
 330
 331 EGLBoolean
 332 dri2_initialize_android(_EGLDriver *drv, _EGLDisplay *disp);
 333
 334 #endif /* EGL_DRI2_INCLUDED */