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