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 #include "eglconfig.h"
  48 #include "eglcontext.h"
  49 #include "egldisplay.h"
  50 #include "egldriver.h"
  51 #include "eglcurrent.h"
  52 #include "egllog.h"
  53 #include "eglsurface.h"
  54 #include "eglimage.h"
  55
  56 #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
  57
  58 struct dri2_egl_driver
  59 {
  60    _EGLDriver base;
  61
  62    void *handle;
  63    _EGLProc (*get_proc_address)(const char *procname);
  64    void (*glFlush)(void);
  65 };
  66
  67 struct dri2_egl_display
  68 {
  69    int                       dri2_major;
  70    int                       dri2_minor;
  71    __DRIscreen              *dri_screen;
  72    const __DRIconfig       **driver_configs;
  73    void                     *driver;
  74    __DRIcoreExtension       *core;
  75    __DRIdri2Extension       *dri2;
  76    __DRIswrastExtension     *swrast;
  77    __DRI2flushExtension     *flush;
  78    __DRItexBufferExtension  *tex_buffer;
  79    __DRIimageExtension      *image;
  80    int                       fd;
  81
  82    char                     *device_name;
  83    char                     *driver_name;
  84
  85    __DRIdri2LoaderExtension    dri2_loader_extension;
  86    __DRIswrastLoaderExtension  swrast_loader_extension;
  87    const __DRIextension     *extensions[4];
  88
  89 #ifdef HAVE_X11_PLATFORM
  90    xcb_connection_t         *conn;
  91 #endif
  92
  93 #ifdef HAVE_WAYLAND_PLATFORM
  94    struct wl_display        *wl_dpy;
  95    struct wl_drm            *wl_server_drm;
  96    struct wl_drm            *wl_drm;
  97    int                       authenticated;
  98 #endif
  99
 100    int (*authenticate) (_EGLDisplay *disp, uint32_t id);
 101 };
 102
 103 struct dri2_egl_context
 104 {
 105    _EGLContext   base;
 106    __DRIcontext *dri_context;
 107 };
 108
 109 #ifdef HAVE_WAYLAND_PLATFORM
 110 enum wayland_buffer_type {
 111    WL_BUFFER_FRONT,
 112    WL_BUFFER_BACK,
 113    WL_BUFFER_THIRD,
 114    WL_BUFFER_COUNT
 115 };
 116
 117 #define __DRI_BUFFER_COUNT 10
 118 #endif
 119
 120 enum dri2_surface_type {
 121    DRI2_WINDOW_SURFACE,
 122    DRI2_PIXMAP_SURFACE,
 123    DRI2_PBUFFER_SURFACE
 124 };
 125
 126 struct dri2_egl_surface
 127 {
 128    _EGLSurface          base;
 129    __DRIdrawable       *dri_drawable;
 130    __DRIbuffer          buffers[5];
 131    int                  buffer_count;
 132    int                  have_fake_front;
 133    int                  swap_interval;
 134
 135 #ifdef HAVE_X11_PLATFORM
 136    xcb_drawable_t       drawable;
 137    xcb_xfixes_region_t  region;
 138    int                  depth;
 139    int                  bytes_per_pixel;
 140    xcb_gcontext_t       gc;
 141    xcb_gcontext_t       swapgc;
 142 #endif
 143
 144    enum dri2_surface_type type;
 145 #ifdef HAVE_WAYLAND_PLATFORM
 146    struct wl_egl_window  *wl_win;
 147    struct wl_egl_pixmap  *wl_pix;
 148    struct wl_buffer      *wl_drm_buffer[WL_BUFFER_COUNT];
 149    int                    wl_buffer_lock[WL_BUFFER_COUNT];
 150    int                    dx;
 151    int                    dy;
 152    __DRIbuffer           *dri_buffers[__DRI_BUFFER_COUNT];
 153    __DRIbuffer           *third_buffer;
 154    __DRIbuffer           *pending_buffer;
 155    EGLBoolean             block_swap_buffers;
 156 #endif
 157 };
 158
 159 struct dri2_egl_buffer {
 160    __DRIbuffer *dri_buffer;
 161    struct dri2_egl_display *dri2_dpy;
 162 };
 163
 164
 165 struct dri2_egl_config
 166 {
 167    _EGLConfig         base;
 168    const __DRIconfig *dri_single_config;
 169    const __DRIconfig *dri_double_config;
 170 };
 171
 172 struct dri2_egl_image
 173 {
 174    _EGLImage   base;
 175    __DRIimage *dri_image;
 176 };
 177
 178 /* standard typecasts */
 179 _EGL_DRIVER_STANDARD_TYPECASTS(dri2_egl)
 180 _EGL_DRIVER_TYPECAST(dri2_egl_image, _EGLImage, obj)
 181
 182 extern const __DRIimageLookupExtension image_lookup_extension;
 183 extern const __DRIuseInvalidateExtension use_invalidate;
 184
 185 EGLBoolean
 186 dri2_load_driver(_EGLDisplay *disp);
 187
 188 EGLBoolean
 189 dri2_load_driver_swrast(_EGLDisplay *disp);
 190
 191 EGLBoolean
 192 dri2_create_screen(_EGLDisplay *disp);
 193
 194 struct dri2_egl_config *
 195 dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
 196                 int depth, EGLint surface_type, const EGLint *attr_list);
 197
 198 _EGLImage *
 199 dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
 200                       _EGLContext *ctx, EGLenum target,
 201                       EGLClientBuffer buffer, const EGLint *attr_list);
 202
 203 EGLBoolean
 204 dri2_initialize_x11(_EGLDriver *drv, _EGLDisplay *disp);
 205
 206 EGLBoolean
 207 dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp);
 208
 209 EGLBoolean
 210 dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp);
 211
 212 char *
 213 dri2_get_driver_for_fd(int fd);
 214 char *
 215 dri2_get_device_name_for_fd(int fd);
 216
 217 #endif /* EGL_DRI2_INCLUDED */