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    EGLBoolean (*swap_buffers)(_EGLDriver *drv, _EGLDisplay *dpy,
 113                               _EGLSurface *surf);
 114
 115    EGLBoolean (*swap_buffers_with_damage)(_EGLDriver *drv, _EGLDisplay *dpy,
 116                                           _EGLSurface *surface,
 117                                           const EGLint *rects, EGLint n_rects);
 118
 119    EGLBoolean (*swap_buffers_region)(_EGLDriver *drv, _EGLDisplay *dpy,
 120                                      _EGLSurface *surf, EGLint numRects,
 121                                      const EGLint *rects);
 122
 123    EGLBoolean (*post_sub_buffer)(_EGLDriver *drv, _EGLDisplay *dpy,
 124                                  _EGLSurface *surf,
 125                                  EGLint x, EGLint y,
 126                                  EGLint width, EGLint height);
 127
 128    EGLBoolean (*copy_buffers)(_EGLDriver *drv, _EGLDisplay *dpy,
 129                               _EGLSurface *surf, EGLNativePixmapType target);
 130
 131    EGLint (*query_buffer_age)(_EGLDriver *drv, _EGLDisplay *dpy,
 132                               _EGLSurface *surf);
 133
 134    struct wl_buffer* (*create_wayland_buffer_from_image)(
 135                         _EGLDriver *drv, _EGLDisplay *dpy, _EGLImage *img);
 136 };
 137
 138 struct dri2_egl_display
 139 {
 140    const struct dri2_egl_display_vtbl *vtbl;
 141
 142    int                       dri2_major;
 143    int                       dri2_minor;
 144    __DRIscreen              *dri_screen;
 145    int                       own_dri_screen;
 146    const __DRIconfig       **driver_configs;
 147    void                     *driver;
 148    __DRIcoreExtension       *core;
 149    __DRIdri2Extension       *dri2;
 150    __DRIswrastExtension     *swrast;
 151    __DRI2flushExtension     *flush;
 152    __DRItexBufferExtension  *tex_buffer;
 153    __DRIimageExtension      *image;
 154    __DRIrobustnessExtension *robustness;
 155    __DRI2configQueryExtension *config;
 156    int                       fd;
 157
 158    int                       own_device;
 159    int                       swap_available;
 160    int                       invalidate_available;
 161    int                       min_swap_interval;
 162    int                       max_swap_interval;
 163    int                       default_swap_interval;
 164 #ifdef HAVE_DRM_PLATFORM
 165    struct gbm_dri_device    *gbm_dri;
 166 #endif
 167
 168    char                     *device_name;
 169    char                     *driver_name;
 170
 171    __DRIdri2LoaderExtension    dri2_loader_extension;
 172    __DRIswrastLoaderExtension  swrast_loader_extension;
 173    const __DRIextension     *extensions[5];
 174    const __DRIextension    **driver_extensions;
 175
 176 #ifdef HAVE_X11_PLATFORM
 177    xcb_connection_t         *conn;
 178 #endif
 179
 180 #ifdef HAVE_WAYLAND_PLATFORM
 181    struct wl_display        *wl_dpy;
 182    struct wl_registry       *wl_registry;
 183    struct wl_drm            *wl_server_drm;
 184    struct wl_drm            *wl_drm;
 185    struct wl_event_queue    *wl_queue;
 186    int                       authenticated;
 187    int                       formats;
 188    uint32_t                  capabilities;
 189 #endif
 190 };
 191
 192 struct dri2_egl_context
 193 {
 194    _EGLContext   base;
 195    __DRIcontext *dri_context;
 196 };
 197
 198 #ifdef HAVE_WAYLAND_PLATFORM
 199 enum wayland_buffer_type {
 200    WL_BUFFER_FRONT,
 201    WL_BUFFER_BACK,
 202    WL_BUFFER_THIRD,
 203    WL_BUFFER_COUNT
 204 };
 205 #endif
 206
 207 struct dri2_egl_surface
 208 {
 209    _EGLSurface          base;
 210    __DRIdrawable       *dri_drawable;
 211    __DRIbuffer          buffers[5];
 212    int                  buffer_count;
 213    int                  have_fake_front;
 214
 215 #ifdef HAVE_X11_PLATFORM
 216    xcb_drawable_t       drawable;
 217    xcb_xfixes_region_t  region;
 218    int                  depth;
 219    int                  bytes_per_pixel;
 220    xcb_gcontext_t       gc;
 221    xcb_gcontext_t       swapgc;
 222 #endif
 223
 224 #ifdef HAVE_WAYLAND_PLATFORM
 225    struct wl_egl_window  *wl_win;
 226    int                    dx;
 227    int                    dy;
 228    struct wl_callback    *throttle_callback;
 229    int                    format;
 230 #endif
 231
 232 #ifdef HAVE_DRM_PLATFORM
 233    struct gbm_dri_surface *gbm_surf;
 234 #endif
 235
 236 #if defined(HAVE_WAYLAND_PLATFORM) || defined(HAVE_DRM_PLATFORM)
 237    __DRIbuffer           *dri_buffers[__DRI_BUFFER_COUNT];
 238    struct {
 239 #ifdef HAVE_WAYLAND_PLATFORM
 240       struct wl_buffer   *wl_buffer;
 241       __DRIimage         *dri_image;
 242 #endif
 243 #ifdef HAVE_DRM_PLATFORM
 244       struct gbm_bo       *bo;
 245 #endif
 246       int                 locked;
 247       int                 age;
 248    } color_buffers[4], *back, *current;
 249 #endif
 250
 251 #ifdef HAVE_ANDROID_PLATFORM
 252    struct ANativeWindow *window;
 253    struct ANativeWindowBuffer *buffer;
 254
 255    /* EGL-owned buffers */
 256    __DRIbuffer           *local_buffers[__DRI_BUFFER_COUNT];
 257 #endif
 258 };
 259
 260
 261 struct dri2_egl_config
 262 {
 263    _EGLConfig         base;
 264    const __DRIconfig *dri_single_config;
 265    const __DRIconfig *dri_double_config;
 266 };
 267
 268 struct dri2_egl_image
 269 {
 270    _EGLImage   base;
 271    __DRIimage *dri_image;
 272 };
 273
 274 /* From xmlpool/options.h, user exposed so should be stable */
 275 #define DRI_CONF_VBLANK_NEVER 0
 276 #define DRI_CONF_VBLANK_DEF_INTERVAL_0 1
 277 #define DRI_CONF_VBLANK_DEF_INTERVAL_1 2
 278 #define DRI_CONF_VBLANK_ALWAYS_SYNC 3
 279
 280 /* standard typecasts */
 281 _EGL_DRIVER_STANDARD_TYPECASTS(dri2_egl)
 282 _EGL_DRIVER_TYPECAST(dri2_egl_image, _EGLImage, obj)
 283
 284 extern const __DRIimageLookupExtension image_lookup_extension;
 285 extern const __DRIuseInvalidateExtension use_invalidate;
 286
 287 EGLBoolean
 288 dri2_load_driver(_EGLDisplay *disp);
 289
 290 /* Helper for platforms not using dri2_create_screen */
 291 void
 292 dri2_setup_screen(_EGLDisplay *disp);
 293
 294 EGLBoolean
 295 dri2_load_driver_swrast(_EGLDisplay *disp);
 296
 297 EGLBoolean
 298 dri2_create_screen(_EGLDisplay *disp);
 299
 300 __DRIimage *
 301 dri2_lookup_egl_image(__DRIscreen *screen, void *image, void *data);
 302
 303 struct dri2_egl_config *
 304 dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
 305                 EGLint surface_type, const EGLint *attr_list,
 306                 const unsigned int *rgba_masks);
 307
 308 _EGLImage *
 309 dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
 310                       _EGLContext *ctx, EGLenum target,
 311                       EGLClientBuffer buffer, const EGLint *attr_list);
 312
 313 EGLBoolean
 314 dri2_initialize_x11(_EGLDriver *drv, _EGLDisplay *disp);
 315
 316 EGLBoolean
 317 dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp);
 318
 319 EGLBoolean
 320 dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp);
 321
 322 EGLBoolean
 323 dri2_initialize_android(_EGLDriver *drv, _EGLDisplay *disp);
 324
 325 #endif /* EGL_DRI2_INCLUDED */