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 <gbm_driint.h>
  48
  49 #include "eglconfig.h"
  50 #include "eglcontext.h"
  51 #include "egldisplay.h"
  52 #include "egldriver.h"
  53 #include "eglcurrent.h"
  54 #include "egllog.h"
  55 #include "eglsurface.h"
  56 #include "eglimage.h"
  57
  58 #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
  59
  60 struct dri2_egl_driver
  61 {
  62    _EGLDriver base;
  63
  64    void *handle;
  65    _EGLProc (*get_proc_address)(const char *procname);
  66    void (*glFlush)(void);
  67 };
  68
  69 struct dri2_egl_display
  70 {
  71    int                       dri2_major;
  72    int                       dri2_minor;
  73    __DRIscreen              *dri_screen;
  74    int                       own_dri_screen;
  75    const __DRIconfig       **driver_configs;
  76    void                     *driver;
  77    __DRIcoreExtension       *core;
  78    __DRIdri2Extension       *dri2;
  79    __DRIswrastExtension     *swrast;
  80    __DRI2flushExtension     *flush;
  81    __DRItexBufferExtension  *tex_buffer;
  82    __DRIimageExtension      *image;
  83    int                       fd;
  84
  85    struct gbm_dri_device    *gbm_dri;
  86
  87    char                     *device_name;
  88    char                     *driver_name;
  89
  90    __DRIdri2LoaderExtension    dri2_loader_extension;
  91    __DRIswrastLoaderExtension  swrast_loader_extension;
  92    const __DRIextension     *extensions[4];
  93
  94 #ifdef HAVE_X11_PLATFORM
  95    xcb_connection_t         *conn;
  96 #endif
  97
  98 #ifdef HAVE_WAYLAND_PLATFORM
  99    struct wl_display        *wl_dpy;
 100    struct wl_drm            *wl_server_drm;
 101    struct wl_drm            *wl_drm;
 102    int                       authenticated;
 103 #endif
 104
 105    int (*authenticate) (_EGLDisplay *disp, uint32_t id);
 106 };
 107
 108 struct dri2_egl_context
 109 {
 110    _EGLContext   base;
 111    __DRIcontext *dri_context;
 112 };
 113
 114 #ifdef HAVE_WAYLAND_PLATFORM
 115 enum wayland_buffer_type {
 116    WL_BUFFER_FRONT,
 117    WL_BUFFER_BACK,
 118    WL_BUFFER_THIRD,
 119    WL_BUFFER_COUNT
 120 };
 121
 122 #define __DRI_BUFFER_COUNT 10
 123 #endif
 124
 125 enum dri2_surface_type {
 126    DRI2_WINDOW_SURFACE,
 127    DRI2_PIXMAP_SURFACE,
 128    DRI2_PBUFFER_SURFACE
 129 };
 130
 131 struct dri2_egl_surface
 132 {
 133    _EGLSurface          base;
 134    __DRIdrawable       *dri_drawable;
 135    __DRIbuffer          buffers[5];
 136    int                  buffer_count;
 137    int                  have_fake_front;
 138    int                  swap_interval;
 139
 140 #ifdef HAVE_X11_PLATFORM
 141    xcb_drawable_t       drawable;
 142    xcb_xfixes_region_t  region;
 143    int                  depth;
 144    int                  bytes_per_pixel;
 145    xcb_gcontext_t       gc;
 146    xcb_gcontext_t       swapgc;
 147 #endif
 148
 149    enum dri2_surface_type type;
 150 #ifdef HAVE_WAYLAND_PLATFORM
 151    struct wl_egl_window  *wl_win;
 152    struct wl_egl_pixmap  *wl_pix;
 153    struct wl_buffer      *wl_drm_buffer[WL_BUFFER_COUNT];
 154    int                    wl_buffer_lock[WL_BUFFER_COUNT];
 155    int                    dx;
 156    int                    dy;
 157    __DRIbuffer           *dri_buffers[__DRI_BUFFER_COUNT];
 158    __DRIbuffer           *third_buffer;
 159    __DRIbuffer           *pending_buffer;
 160    EGLBoolean             block_swap_buffers;
 161 #endif
 162 };
 163
 164 struct dri2_egl_buffer {
 165    __DRIbuffer *dri_buffer;
 166    struct dri2_egl_display *dri2_dpy;
 167 };
 168
 169
 170 struct dri2_egl_config
 171 {
 172    _EGLConfig         base;
 173    const __DRIconfig *dri_single_config;
 174    const __DRIconfig *dri_double_config;
 175 };
 176
 177 struct dri2_egl_image
 178 {
 179    _EGLImage   base;
 180    __DRIimage *dri_image;
 181 };
 182
 183 /* standard typecasts */
 184 _EGL_DRIVER_STANDARD_TYPECASTS(dri2_egl)
 185 _EGL_DRIVER_TYPECAST(dri2_egl_image, _EGLImage, obj)
 186
 187 extern const __DRIimageLookupExtension image_lookup_extension;
 188 extern const __DRIuseInvalidateExtension use_invalidate;
 189
 190 EGLBoolean
 191 dri2_load_driver(_EGLDisplay *disp);
 192
 193 /* Helper for platforms not using dri2_create_screen */
 194 void
 195 dri2_setup_screen(_EGLDisplay *disp);
 196
 197 EGLBoolean
 198 dri2_load_driver_swrast(_EGLDisplay *disp);
 199
 200 EGLBoolean
 201 dri2_create_screen(_EGLDisplay *disp);
 202
 203 __DRIimage *
 204 dri2_lookup_egl_image(__DRIscreen *screen, void *image, void *data);
 205
 206 struct dri2_egl_config *
 207 dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
 208                 int depth, EGLint surface_type, const EGLint *attr_list);
 209
 210 _EGLImage *
 211 dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
 212                       _EGLContext *ctx, EGLenum target,
 213                       EGLClientBuffer buffer, const EGLint *attr_list);
 214
 215 EGLBoolean
 216 dri2_initialize_x11(_EGLDriver *drv, _EGLDisplay *disp);
 217
 218 EGLBoolean
 219 dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp);
 220
 221 EGLBoolean
 222 dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp);
 223
 224 char *
 225 dri2_get_driver_for_fd(int fd);
 226 char *
 227 dri2_get_device_name_for_fd(int fd);
 228
 229 #endif /* EGL_DRI2_INCLUDED */