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