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 dri2_egl_driver
  79 {
  80    _EGLDriver base;
  81
  82    void *handle;
  83    _EGLProc (*get_proc_address)(const char *procname);
  84    void (*glFlush)(void);
  85 };
  86
  87 struct dri2_egl_display_vtbl {
  88    int (*authenticate)(_EGLDisplay *disp, uint32_t id);
  89
  90    _EGLSurface* (*create_window_surface)(_EGLDriver *drv, _EGLDisplay *dpy,
  91                                          _EGLConfig *config,
  92                                          EGLNativeWindowType window,
  93                                          const EGLint *attrib_list);
  94
  95    _EGLSurface* (*create_pixmap_surface)(_EGLDriver *drv, _EGLDisplay *dpy,
  96                                          _EGLConfig *config,
  97                                          EGLNativePixmapType pixmap,
  98                                          const EGLint *attrib_list);
  99
 100    EGLBoolean (*swap_interval)(_EGLDriver *drv, _EGLDisplay *dpy,
 101                                _EGLSurface *surf, EGLint interval);
 102
 103    EGLBoolean (*swap_buffers)(_EGLDriver *drv, _EGLDisplay *dpy,
 104                               _EGLSurface *surf);
 105
 106    EGLBoolean (*swap_buffers_with_damage)(_EGLDriver *drv, _EGLDisplay *dpy,
 107                                           _EGLSurface *surface,
 108                                           const EGLint *rects, EGLint n_rects);
 109 };
 110
 111 struct dri2_egl_display
 112 {
 113    const struct dri2_egl_display_vtbl *vtbl;
 114
 115    int                       dri2_major;
 116    int                       dri2_minor;
 117    __DRIscreen              *dri_screen;
 118    int                       own_dri_screen;
 119    const __DRIconfig       **driver_configs;
 120    void                     *driver;
 121    __DRIcoreExtension       *core;
 122    __DRIdri2Extension       *dri2;
 123    __DRIswrastExtension     *swrast;
 124    __DRI2flushExtension     *flush;
 125    __DRItexBufferExtension  *tex_buffer;
 126    __DRIimageExtension      *image;
 127    __DRIrobustnessExtension *robustness;
 128    __DRI2configQueryExtension *config;
 129    int                       fd;
 130
 131    int                       own_device;
 132    int                       swap_available;
 133    int                       invalidate_available;
 134    int                       min_swap_interval;
 135    int                       max_swap_interval;
 136    int                       default_swap_interval;
 137 #ifdef HAVE_DRM_PLATFORM
 138    struct gbm_dri_device    *gbm_dri;
 139 #endif
 140
 141    char                     *device_name;
 142    char                     *driver_name;
 143
 144    __DRIdri2LoaderExtension    dri2_loader_extension;
 145    __DRIswrastLoaderExtension  swrast_loader_extension;
 146    const __DRIextension     *extensions[5];
 147    const __DRIextension    **driver_extensions;
 148
 149 #ifdef HAVE_X11_PLATFORM
 150    xcb_connection_t         *conn;
 151 #endif
 152
 153 #ifdef HAVE_WAYLAND_PLATFORM
 154    struct wl_display        *wl_dpy;
 155    struct wl_registry       *wl_registry;
 156    struct wl_drm            *wl_server_drm;
 157    struct wl_drm            *wl_drm;
 158    struct wl_event_queue    *wl_queue;
 159    int                       authenticated;
 160    int                       formats;
 161    uint32_t                  capabilities;
 162 #endif
 163 };
 164
 165 struct dri2_egl_context
 166 {
 167    _EGLContext   base;
 168    __DRIcontext *dri_context;
 169 };
 170
 171 #ifdef HAVE_WAYLAND_PLATFORM
 172 enum wayland_buffer_type {
 173    WL_BUFFER_FRONT,
 174    WL_BUFFER_BACK,
 175    WL_BUFFER_THIRD,
 176    WL_BUFFER_COUNT
 177 };
 178 #endif
 179
 180 struct dri2_egl_surface
 181 {
 182    _EGLSurface          base;
 183    __DRIdrawable       *dri_drawable;
 184    __DRIbuffer          buffers[5];
 185    int                  buffer_count;
 186    int                  have_fake_front;
 187
 188 #ifdef HAVE_X11_PLATFORM
 189    xcb_drawable_t       drawable;
 190    xcb_xfixes_region_t  region;
 191    int                  depth;
 192    int                  bytes_per_pixel;
 193    xcb_gcontext_t       gc;
 194    xcb_gcontext_t       swapgc;
 195 #endif
 196
 197 #ifdef HAVE_WAYLAND_PLATFORM
 198    struct wl_egl_window  *wl_win;
 199    int                    dx;
 200    int                    dy;
 201    struct wl_callback    *throttle_callback;
 202    int                    format;
 203 #endif
 204
 205 #ifdef HAVE_DRM_PLATFORM
 206    struct gbm_dri_surface *gbm_surf;
 207 #endif
 208
 209 #if defined(HAVE_WAYLAND_PLATFORM) || defined(HAVE_DRM_PLATFORM)
 210    __DRIbuffer           *dri_buffers[__DRI_BUFFER_COUNT];
 211    struct {
 212 #ifdef HAVE_WAYLAND_PLATFORM
 213       struct wl_buffer   *wl_buffer;
 214       __DRIimage         *dri_image;
 215 #endif
 216 #ifdef HAVE_DRM_PLATFORM
 217       struct gbm_bo       *bo;
 218 #endif
 219       int                 locked;
 220       int                 age;
 221    } color_buffers[4], *back, *current;
 222 #endif
 223
 224 #ifdef HAVE_ANDROID_PLATFORM
 225    struct ANativeWindow *window;
 226    struct ANativeWindowBuffer *buffer;
 227
 228    /* EGL-owned buffers */
 229    __DRIbuffer           *local_buffers[__DRI_BUFFER_COUNT];
 230 #endif
 231 };
 232
 233
 234 struct dri2_egl_config
 235 {
 236    _EGLConfig         base;
 237    const __DRIconfig *dri_single_config;
 238    const __DRIconfig *dri_double_config;
 239 };
 240
 241 struct dri2_egl_image
 242 {
 243    _EGLImage   base;
 244    __DRIimage *dri_image;
 245 };
 246
 247 /* From xmlpool/options.h, user exposed so should be stable */
 248 #define DRI_CONF_VBLANK_NEVER 0
 249 #define DRI_CONF_VBLANK_DEF_INTERVAL_0 1
 250 #define DRI_CONF_VBLANK_DEF_INTERVAL_1 2
 251 #define DRI_CONF_VBLANK_ALWAYS_SYNC 3
 252
 253 /* standard typecasts */
 254 _EGL_DRIVER_STANDARD_TYPECASTS(dri2_egl)
 255 _EGL_DRIVER_TYPECAST(dri2_egl_image, _EGLImage, obj)
 256
 257 extern const __DRIimageLookupExtension image_lookup_extension;
 258 extern const __DRIuseInvalidateExtension use_invalidate;
 259
 260 EGLBoolean
 261 dri2_load_driver(_EGLDisplay *disp);
 262
 263 /* Helper for platforms not using dri2_create_screen */
 264 void
 265 dri2_setup_screen(_EGLDisplay *disp);
 266
 267 EGLBoolean
 268 dri2_load_driver_swrast(_EGLDisplay *disp);
 269
 270 EGLBoolean
 271 dri2_create_screen(_EGLDisplay *disp);
 272
 273 __DRIimage *
 274 dri2_lookup_egl_image(__DRIscreen *screen, void *image, void *data);
 275
 276 struct dri2_egl_config *
 277 dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
 278                 EGLint surface_type, const EGLint *attr_list,
 279                 const unsigned int *rgba_masks);
 280
 281 _EGLImage *
 282 dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
 283                       _EGLContext *ctx, EGLenum target,
 284                       EGLClientBuffer buffer, const EGLint *attr_list);
 285
 286 EGLBoolean
 287 dri2_initialize_x11(_EGLDriver *drv, _EGLDisplay *disp);
 288
 289 EGLBoolean
 290 dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp);
 291
 292 EGLBoolean
 293 dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp);
 294
 295 EGLBoolean
 296 dri2_initialize_android(_EGLDriver *drv, _EGLDisplay *disp);
 297
 298 #endif /* EGL_DRI2_INCLUDED */