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