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                                          EGLNativeWindowType window,
  95                                          const EGLint *attrib_list);
  96
  97    _EGLSurface* (*create_pixmap_surface)(_EGLDriver *drv, _EGLDisplay *dpy,
  98                                          _EGLConfig *config,
  99                                          EGLNativePixmapType 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, EGLNativePixmapType 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
 143 struct dri2_egl_display
 144 {
 145    const struct dri2_egl_display_vtbl *vtbl;
 146
 147    int                       dri2_major;
 148    int                       dri2_minor;
 149    __DRIscreen              *dri_screen;
 150    int                       own_dri_screen;
 151    const __DRIconfig       **driver_configs;
 152    void                     *driver;
 153    __DRIcoreExtension       *core;
 154    __DRIdri2Extension       *dri2;
 155    __DRIswrastExtension     *swrast;
 156    __DRI2flushExtension     *flush;
 157    __DRItexBufferExtension  *tex_buffer;
 158    __DRIimageExtension      *image;
 159    __DRIrobustnessExtension *robustness;
 160    __DRI2configQueryExtension *config;
 161    int                       fd;
 162
 163    int                       own_device;
 164    int                       swap_available;
 165    int                       invalidate_available;
 166    int                       min_swap_interval;
 167    int                       max_swap_interval;
 168    int                       default_swap_interval;
 169 #ifdef HAVE_DRM_PLATFORM
 170    struct gbm_dri_device    *gbm_dri;
 171 #endif
 172
 173    char                     *device_name;
 174    char                     *driver_name;
 175
 176    __DRIdri2LoaderExtension    dri2_loader_extension;
 177    __DRIswrastLoaderExtension  swrast_loader_extension;
 178    const __DRIextension     *extensions[5];
 179    const __DRIextension    **driver_extensions;
 180
 181 #ifdef HAVE_X11_PLATFORM
 182    xcb_connection_t         *conn;
 183 #endif
 184
 185 #ifdef HAVE_WAYLAND_PLATFORM
 186    struct wl_display        *wl_dpy;
 187    struct wl_registry       *wl_registry;
 188    struct wl_drm            *wl_server_drm;
 189    struct wl_drm            *wl_drm;
 190    struct wl_event_queue    *wl_queue;
 191    int                       authenticated;
 192    int                       formats;
 193    uint32_t                  capabilities;
 194 #endif
 195 };
 196
 197 struct dri2_egl_context
 198 {
 199    _EGLContext   base;
 200    __DRIcontext *dri_context;
 201 };
 202
 203 #ifdef HAVE_WAYLAND_PLATFORM
 204 enum wayland_buffer_type {
 205    WL_BUFFER_FRONT,
 206    WL_BUFFER_BACK,
 207    WL_BUFFER_THIRD,
 208    WL_BUFFER_COUNT
 209 };
 210 #endif
 211
 212 struct dri2_egl_surface
 213 {
 214    _EGLSurface          base;
 215    __DRIdrawable       *dri_drawable;
 216    __DRIbuffer          buffers[5];
 217    int                  buffer_count;
 218    int                  have_fake_front;
 219
 220 #ifdef HAVE_X11_PLATFORM
 221    xcb_drawable_t       drawable;
 222    xcb_xfixes_region_t  region;
 223    int                  depth;
 224    int                  bytes_per_pixel;
 225    xcb_gcontext_t       gc;
 226    xcb_gcontext_t       swapgc;
 227 #endif
 228
 229 #ifdef HAVE_WAYLAND_PLATFORM
 230    struct wl_egl_window  *wl_win;
 231    int                    dx;
 232    int                    dy;
 233    struct wl_callback    *throttle_callback;
 234    int                    format;
 235 #endif
 236
 237 #ifdef HAVE_DRM_PLATFORM
 238    struct gbm_dri_surface *gbm_surf;
 239 #endif
 240
 241 #if defined(HAVE_WAYLAND_PLATFORM) || defined(HAVE_DRM_PLATFORM)
 242    __DRIbuffer           *dri_buffers[__DRI_BUFFER_COUNT];
 243    struct {
 244 #ifdef HAVE_WAYLAND_PLATFORM
 245       struct wl_buffer   *wl_buffer;
 246       __DRIimage         *dri_image;
 247 #endif
 248 #ifdef HAVE_DRM_PLATFORM
 249       struct gbm_bo       *bo;
 250 #endif
 251       int                 locked;
 252       int                 age;
 253    } color_buffers[4], *back, *current;
 254 #endif
 255
 256 #ifdef HAVE_ANDROID_PLATFORM
 257    struct ANativeWindow *window;
 258    struct ANativeWindowBuffer *buffer;
 259
 260    /* EGL-owned buffers */
 261    __DRIbuffer           *local_buffers[__DRI_BUFFER_COUNT];
 262 #endif
 263 };
 264
 265
 266 struct dri2_egl_config
 267 {
 268    _EGLConfig         base;
 269    const __DRIconfig *dri_single_config;
 270    const __DRIconfig *dri_double_config;
 271 };
 272
 273 struct dri2_egl_image
 274 {
 275    _EGLImage   base;
 276    __DRIimage *dri_image;
 277 };
 278
 279 /* From xmlpool/options.h, user exposed so should be stable */
 280 #define DRI_CONF_VBLANK_NEVER 0
 281 #define DRI_CONF_VBLANK_DEF_INTERVAL_0 1
 282 #define DRI_CONF_VBLANK_DEF_INTERVAL_1 2
 283 #define DRI_CONF_VBLANK_ALWAYS_SYNC 3
 284
 285 /* standard typecasts */
 286 _EGL_DRIVER_STANDARD_TYPECASTS(dri2_egl)
 287 _EGL_DRIVER_TYPECAST(dri2_egl_image, _EGLImage, obj)
 288
 289 extern const __DRIimageLookupExtension image_lookup_extension;
 290 extern const __DRIuseInvalidateExtension use_invalidate;
 291
 292 EGLBoolean
 293 dri2_load_driver(_EGLDisplay *disp);
 294
 295 /* Helper for platforms not using dri2_create_screen */
 296 void
 297 dri2_setup_screen(_EGLDisplay *disp);
 298
 299 EGLBoolean
 300 dri2_load_driver_swrast(_EGLDisplay *disp);
 301
 302 EGLBoolean
 303 dri2_create_screen(_EGLDisplay *disp);
 304
 305 __DRIimage *
 306 dri2_lookup_egl_image(__DRIscreen *screen, void *image, void *data);
 307
 308 struct dri2_egl_config *
 309 dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
 310                 EGLint surface_type, const EGLint *attr_list,
 311                 const unsigned int *rgba_masks);
 312
 313 _EGLImage *
 314 dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
 315                       _EGLContext *ctx, EGLenum target,
 316                       EGLClientBuffer buffer, const EGLint *attr_list);
 317
 318 EGLBoolean
 319 dri2_initialize_x11(_EGLDriver *drv, _EGLDisplay *disp);
 320
 321 EGLBoolean
 322 dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp);
 323
 324 EGLBoolean
 325 dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp);
 326
 327 EGLBoolean
 328 dri2_initialize_android(_EGLDriver *drv, _EGLDisplay *disp);
 329
 330 #endif /* EGL_DRI2_INCLUDED */