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    _EGLSurface* (*create_pbuffer_surface)(_EGLDriver *drv, _EGLDisplay *dpy,
 101                                           _EGLConfig *config,
 102                                           const EGLint *attrib_list);
 103
 104    EGLBoolean (*destroy_surface)(_EGLDriver *drv, _EGLDisplay *dpy,
 105                                  _EGLSurface *surface);
 106
 107    EGLBoolean (*swap_interval)(_EGLDriver *drv, _EGLDisplay *dpy,
 108                                _EGLSurface *surf, EGLint interval);
 109
 110    EGLBoolean (*swap_buffers)(_EGLDriver *drv, _EGLDisplay *dpy,
 111                               _EGLSurface *surf);
 112
 113    EGLBoolean (*swap_buffers_with_damage)(_EGLDriver *drv, _EGLDisplay *dpy,
 114                                           _EGLSurface *surface,
 115                                           const EGLint *rects, EGLint n_rects);
 116 };
 117
 118 struct dri2_egl_display
 119 {
 120    const struct dri2_egl_display_vtbl *vtbl;
 121
 122    int                       dri2_major;
 123    int                       dri2_minor;
 124    __DRIscreen              *dri_screen;
 125    int                       own_dri_screen;
 126    const __DRIconfig       **driver_configs;
 127    void                     *driver;
 128    __DRIcoreExtension       *core;
 129    __DRIdri2Extension       *dri2;
 130    __DRIswrastExtension     *swrast;
 131    __DRI2flushExtension     *flush;
 132    __DRItexBufferExtension  *tex_buffer;
 133    __DRIimageExtension      *image;
 134    __DRIrobustnessExtension *robustness;
 135    __DRI2configQueryExtension *config;
 136    int                       fd;
 137
 138    int                       own_device;
 139    int                       swap_available;
 140    int                       invalidate_available;
 141    int                       min_swap_interval;
 142    int                       max_swap_interval;
 143    int                       default_swap_interval;
 144 #ifdef HAVE_DRM_PLATFORM
 145    struct gbm_dri_device    *gbm_dri;
 146 #endif
 147
 148    char                     *device_name;
 149    char                     *driver_name;
 150
 151    __DRIdri2LoaderExtension    dri2_loader_extension;
 152    __DRIswrastLoaderExtension  swrast_loader_extension;
 153    const __DRIextension     *extensions[5];
 154    const __DRIextension    **driver_extensions;
 155
 156 #ifdef HAVE_X11_PLATFORM
 157    xcb_connection_t         *conn;
 158 #endif
 159
 160 #ifdef HAVE_WAYLAND_PLATFORM
 161    struct wl_display        *wl_dpy;
 162    struct wl_registry       *wl_registry;
 163    struct wl_drm            *wl_server_drm;
 164    struct wl_drm            *wl_drm;
 165    struct wl_event_queue    *wl_queue;
 166    int                       authenticated;
 167    int                       formats;
 168    uint32_t                  capabilities;
 169 #endif
 170 };
 171
 172 struct dri2_egl_context
 173 {
 174    _EGLContext   base;
 175    __DRIcontext *dri_context;
 176 };
 177
 178 #ifdef HAVE_WAYLAND_PLATFORM
 179 enum wayland_buffer_type {
 180    WL_BUFFER_FRONT,
 181    WL_BUFFER_BACK,
 182    WL_BUFFER_THIRD,
 183    WL_BUFFER_COUNT
 184 };
 185 #endif
 186
 187 struct dri2_egl_surface
 188 {
 189    _EGLSurface          base;
 190    __DRIdrawable       *dri_drawable;
 191    __DRIbuffer          buffers[5];
 192    int                  buffer_count;
 193    int                  have_fake_front;
 194
 195 #ifdef HAVE_X11_PLATFORM
 196    xcb_drawable_t       drawable;
 197    xcb_xfixes_region_t  region;
 198    int                  depth;
 199    int                  bytes_per_pixel;
 200    xcb_gcontext_t       gc;
 201    xcb_gcontext_t       swapgc;
 202 #endif
 203
 204 #ifdef HAVE_WAYLAND_PLATFORM
 205    struct wl_egl_window  *wl_win;
 206    int                    dx;
 207    int                    dy;
 208    struct wl_callback    *throttle_callback;
 209    int                    format;
 210 #endif
 211
 212 #ifdef HAVE_DRM_PLATFORM
 213    struct gbm_dri_surface *gbm_surf;
 214 #endif
 215
 216 #if defined(HAVE_WAYLAND_PLATFORM) || defined(HAVE_DRM_PLATFORM)
 217    __DRIbuffer           *dri_buffers[__DRI_BUFFER_COUNT];
 218    struct {
 219 #ifdef HAVE_WAYLAND_PLATFORM
 220       struct wl_buffer   *wl_buffer;
 221       __DRIimage         *dri_image;
 222 #endif
 223 #ifdef HAVE_DRM_PLATFORM
 224       struct gbm_bo       *bo;
 225 #endif
 226       int                 locked;
 227       int                 age;
 228    } color_buffers[4], *back, *current;
 229 #endif
 230
 231 #ifdef HAVE_ANDROID_PLATFORM
 232    struct ANativeWindow *window;
 233    struct ANativeWindowBuffer *buffer;
 234
 235    /* EGL-owned buffers */
 236    __DRIbuffer           *local_buffers[__DRI_BUFFER_COUNT];
 237 #endif
 238 };
 239
 240
 241 struct dri2_egl_config
 242 {
 243    _EGLConfig         base;
 244    const __DRIconfig *dri_single_config;
 245    const __DRIconfig *dri_double_config;
 246 };
 247
 248 struct dri2_egl_image
 249 {
 250    _EGLImage   base;
 251    __DRIimage *dri_image;
 252 };
 253
 254 /* From xmlpool/options.h, user exposed so should be stable */
 255 #define DRI_CONF_VBLANK_NEVER 0
 256 #define DRI_CONF_VBLANK_DEF_INTERVAL_0 1
 257 #define DRI_CONF_VBLANK_DEF_INTERVAL_1 2
 258 #define DRI_CONF_VBLANK_ALWAYS_SYNC 3
 259
 260 /* standard typecasts */
 261 _EGL_DRIVER_STANDARD_TYPECASTS(dri2_egl)
 262 _EGL_DRIVER_TYPECAST(dri2_egl_image, _EGLImage, obj)
 263
 264 extern const __DRIimageLookupExtension image_lookup_extension;
 265 extern const __DRIuseInvalidateExtension use_invalidate;
 266
 267 EGLBoolean
 268 dri2_load_driver(_EGLDisplay *disp);
 269
 270 /* Helper for platforms not using dri2_create_screen */
 271 void
 272 dri2_setup_screen(_EGLDisplay *disp);
 273
 274 EGLBoolean
 275 dri2_load_driver_swrast(_EGLDisplay *disp);
 276
 277 EGLBoolean
 278 dri2_create_screen(_EGLDisplay *disp);
 279
 280 __DRIimage *
 281 dri2_lookup_egl_image(__DRIscreen *screen, void *image, void *data);
 282
 283 struct dri2_egl_config *
 284 dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
 285                 EGLint surface_type, const EGLint *attr_list,
 286                 const unsigned int *rgba_masks);
 287
 288 _EGLImage *
 289 dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
 290                       _EGLContext *ctx, EGLenum target,
 291                       EGLClientBuffer buffer, const EGLint *attr_list);
 292
 293 EGLBoolean
 294 dri2_initialize_x11(_EGLDriver *drv, _EGLDisplay *disp);
 295
 296 EGLBoolean
 297 dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp);
 298
 299 EGLBoolean
 300 dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp);
 301
 302 EGLBoolean
 303 dri2_initialize_android(_EGLDriver *drv, _EGLDisplay *disp);
 304
 305 #endif /* EGL_DRI2_INCLUDED */