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