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-drm.h"
  41 #include "wayland-egl-priv.h"
  42 #endif
  43
  44 #include <GL/gl.h>
  45 #include <GL/internal/dri_interface.h>
  46
  47 #ifdef HAVE_DRM_PLATFORM
  48 #include <gbm_driint.h>
  49 #endif
  50
  51 #ifdef HAVE_ANDROID_PLATFORM
  52 #define LOG_TAG "EGL-DRI2"
  53 #include <ui/egl/android_natives.h>
  54 #include <ui/android_native_buffer.h>
  55 #include <cutils/log.h>
  56 #include <gralloc_drm_handle.h>
  57 #endif
  58
  59 #include "eglconfig.h"
  60 #include "eglcontext.h"
  61 #include "egldisplay.h"
  62 #include "egldriver.h"
  63 #include "eglcurrent.h"
  64 #include "egllog.h"
  65 #include "eglsurface.h"
  66 #include "eglimage.h"
  67
  68 #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
  69
  70 struct dri2_egl_driver
  71 {
  72    _EGLDriver base;
  73
  74    void *handle;
  75    _EGLProc (*get_proc_address)(const char *procname);
  76    void (*glFlush)(void);
  77 };
  78
  79 struct dri2_egl_display
  80 {
  81    int                       dri2_major;
  82    int                       dri2_minor;
  83    __DRIscreen              *dri_screen;
  84    int                       own_dri_screen;
  85    const __DRIconfig       **driver_configs;
  86    void                     *driver;
  87    __DRIcoreExtension       *core;
  88    __DRIdri2Extension       *dri2;
  89    __DRIswrastExtension     *swrast;
  90    __DRI2flushExtension     *flush;
  91    __DRItexBufferExtension  *tex_buffer;
  92    __DRIimageExtension      *image;
  93    int                       fd;
  94
  95 #ifdef HAVE_DRM_PLATFORM
  96    struct gbm_dri_device    *gbm_dri;
  97    int                       own_gbm_device;
  98 #endif
  99
 100    char                     *device_name;
 101    char                     *driver_name;
 102
 103    __DRIdri2LoaderExtension    dri2_loader_extension;
 104    __DRIswrastLoaderExtension  swrast_loader_extension;
 105    const __DRIextension     *extensions[4];
 106
 107 #ifdef HAVE_X11_PLATFORM
 108    xcb_connection_t         *conn;
 109 #endif
 110
 111 #ifdef HAVE_WAYLAND_PLATFORM
 112    struct wl_display        *wl_dpy;
 113    struct wl_drm            *wl_server_drm;
 114    struct wl_drm            *wl_drm;
 115    int                       authenticated;
 116 #endif
 117
 118    int (*authenticate) (_EGLDisplay *disp, uint32_t id);
 119 };
 120
 121 struct dri2_egl_context
 122 {
 123    _EGLContext   base;
 124    __DRIcontext *dri_context;
 125 };
 126
 127 #ifdef HAVE_WAYLAND_PLATFORM
 128 enum wayland_buffer_type {
 129    WL_BUFFER_FRONT,
 130    WL_BUFFER_BACK,
 131    WL_BUFFER_THIRD,
 132    WL_BUFFER_COUNT
 133 };
 134 #endif
 135
 136 enum dri2_surface_type {
 137    DRI2_WINDOW_SURFACE,
 138    DRI2_PIXMAP_SURFACE,
 139    DRI2_PBUFFER_SURFACE
 140 };
 141
 142 struct dri2_egl_surface
 143 {
 144    _EGLSurface          base;
 145    __DRIdrawable       *dri_drawable;
 146    __DRIbuffer          buffers[5];
 147    int                  buffer_count;
 148    int                  have_fake_front;
 149    int                  swap_interval;
 150
 151 #ifdef HAVE_X11_PLATFORM
 152    xcb_drawable_t       drawable;
 153    xcb_xfixes_region_t  region;
 154    int                  depth;
 155    int                  bytes_per_pixel;
 156    xcb_gcontext_t       gc;
 157    xcb_gcontext_t       swapgc;
 158 #endif
 159
 160    enum dri2_surface_type type;
 161 #ifdef HAVE_WAYLAND_PLATFORM
 162    struct wl_egl_window  *wl_win;
 163    struct wl_egl_pixmap  *wl_pix;
 164    struct wl_buffer      *wl_drm_buffer[WL_BUFFER_COUNT];
 165    int                    wl_buffer_lock[WL_BUFFER_COUNT];
 166    int                    dx;
 167    int                    dy;
 168    __DRIbuffer           *dri_buffers[__DRI_BUFFER_COUNT];
 169    __DRIbuffer           *third_buffer;
 170    __DRIbuffer           *pending_buffer;
 171    EGLBoolean             block_swap_buffers;
 172 #endif
 173
 174 #ifdef HAVE_ANDROID_PLATFORM
 175    android_native_window_t *window;
 176    android_native_buffer_t *buffer;
 177
 178    /* EGL-owned buffers */
 179    __DRIbuffer           *local_buffers[__DRI_BUFFER_COUNT];
 180 #endif
 181 };
 182
 183 struct dri2_egl_buffer {
 184    __DRIbuffer *dri_buffer;
 185    struct dri2_egl_display *dri2_dpy;
 186 };
 187
 188
 189 struct dri2_egl_config
 190 {
 191    _EGLConfig         base;
 192    const __DRIconfig *dri_single_config;
 193    const __DRIconfig *dri_double_config;
 194 };
 195
 196 struct dri2_egl_image
 197 {
 198    _EGLImage   base;
 199    __DRIimage *dri_image;
 200 };
 201
 202 /* standard typecasts */
 203 _EGL_DRIVER_STANDARD_TYPECASTS(dri2_egl)
 204 _EGL_DRIVER_TYPECAST(dri2_egl_image, _EGLImage, obj)
 205
 206 extern const __DRIimageLookupExtension image_lookup_extension;
 207 extern const __DRIuseInvalidateExtension use_invalidate;
 208
 209 EGLBoolean
 210 dri2_load_driver(_EGLDisplay *disp);
 211
 212 /* Helper for platforms not using dri2_create_screen */
 213 void
 214 dri2_setup_screen(_EGLDisplay *disp);
 215
 216 EGLBoolean
 217 dri2_load_driver_swrast(_EGLDisplay *disp);
 218
 219 EGLBoolean
 220 dri2_create_screen(_EGLDisplay *disp);
 221
 222 __DRIimage *
 223 dri2_lookup_egl_image(__DRIscreen *screen, void *image, void *data);
 224
 225 struct dri2_egl_config *
 226 dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
 227                 int depth, EGLint surface_type, const EGLint *attr_list,
 228                 const unsigned int *rgba_masks);
 229
 230 _EGLImage *
 231 dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
 232                       _EGLContext *ctx, EGLenum target,
 233                       EGLClientBuffer buffer, const EGLint *attr_list);
 234
 235 EGLBoolean
 236 dri2_initialize_x11(_EGLDriver *drv, _EGLDisplay *disp);
 237
 238 EGLBoolean
 239 dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp);
 240
 241 EGLBoolean
 242 dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp);
 243
 244 EGLBoolean
 245 dri2_initialize_android(_EGLDriver *drv, _EGLDisplay *disp);
 246
 247 char *
 248 dri2_get_driver_for_fd(int fd);
 249 char *
 250 dri2_get_device_name_for_fd(int fd);
 251
 252 #endif /* EGL_DRI2_INCLUDED */