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 #include "eglconfig.h"
  52 #include "eglcontext.h"
  53 #include "egldisplay.h"
  54 #include "egldriver.h"
  55 #include "eglcurrent.h"
  56 #include "egllog.h"
  57 #include "eglsurface.h"
  58 #include "eglimage.h"
  59
  60 #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
  61
  62 struct dri2_egl_driver
  63 {
  64    _EGLDriver base;
  65
  66    void *handle;
  67    _EGLProc (*get_proc_address)(const char *procname);
  68    void (*glFlush)(void);
  69 };
  70
  71 struct dri2_egl_display
  72 {
  73    int                       dri2_major;
  74    int                       dri2_minor;
  75    __DRIscreen              *dri_screen;
  76    int                       own_dri_screen;
  77    const __DRIconfig       **driver_configs;
  78    void                     *driver;
  79    __DRIcoreExtension       *core;
  80    __DRIdri2Extension       *dri2;
  81    __DRIswrastExtension     *swrast;
  82    __DRI2flushExtension     *flush;
  83    __DRItexBufferExtension  *tex_buffer;
  84    __DRIimageExtension      *image;
  85    int                       fd;
  86
  87 #ifdef HAVE_DRM_PLATFORM
  88    struct gbm_dri_device    *gbm_dri;
  89    int                       own_gbm_device;
  90 #endif
  91
  92    char                     *device_name;
  93    char                     *driver_name;
  94
  95    __DRIdri2LoaderExtension    dri2_loader_extension;
  96    __DRIswrastLoaderExtension  swrast_loader_extension;
  97    const __DRIextension     *extensions[4];
  98
  99 #ifdef HAVE_X11_PLATFORM
 100    xcb_connection_t         *conn;
 101 #endif
 102
 103 #ifdef HAVE_WAYLAND_PLATFORM
 104    struct wl_display        *wl_dpy;
 105    struct wl_drm            *wl_server_drm;
 106    struct wl_drm            *wl_drm;
 107    int                       authenticated;
 108 #endif
 109
 110    int (*authenticate) (_EGLDisplay *disp, uint32_t id);
 111 };
 112
 113 struct dri2_egl_context
 114 {
 115    _EGLContext   base;
 116    __DRIcontext *dri_context;
 117 };
 118
 119 #ifdef HAVE_WAYLAND_PLATFORM
 120 enum wayland_buffer_type {
 121    WL_BUFFER_FRONT,
 122    WL_BUFFER_BACK,
 123    WL_BUFFER_THIRD,
 124    WL_BUFFER_COUNT
 125 };
 126
 127 #define __DRI_BUFFER_COUNT 10
 128 #endif
 129
 130 enum dri2_surface_type {
 131    DRI2_WINDOW_SURFACE,
 132    DRI2_PIXMAP_SURFACE,
 133    DRI2_PBUFFER_SURFACE
 134 };
 135
 136 struct dri2_egl_surface
 137 {
 138    _EGLSurface          base;
 139    __DRIdrawable       *dri_drawable;
 140    __DRIbuffer          buffers[5];
 141    int                  buffer_count;
 142    int                  have_fake_front;
 143    int                  swap_interval;
 144
 145 #ifdef HAVE_X11_PLATFORM
 146    xcb_drawable_t       drawable;
 147    xcb_xfixes_region_t  region;
 148    int                  depth;
 149    int                  bytes_per_pixel;
 150    xcb_gcontext_t       gc;
 151    xcb_gcontext_t       swapgc;
 152 #endif
 153
 154    enum dri2_surface_type type;
 155 #ifdef HAVE_WAYLAND_PLATFORM
 156    struct wl_egl_window  *wl_win;
 157    struct wl_egl_pixmap  *wl_pix;
 158    struct wl_buffer      *wl_drm_buffer[WL_BUFFER_COUNT];
 159    int                    wl_buffer_lock[WL_BUFFER_COUNT];
 160    int                    dx;
 161    int                    dy;
 162    __DRIbuffer           *dri_buffers[__DRI_BUFFER_COUNT];
 163    __DRIbuffer           *third_buffer;
 164    __DRIbuffer           *pending_buffer;
 165    EGLBoolean             block_swap_buffers;
 166 #endif
 167 };
 168
 169 struct dri2_egl_buffer {
 170    __DRIbuffer *dri_buffer;
 171    struct dri2_egl_display *dri2_dpy;
 172 };
 173
 174
 175 struct dri2_egl_config
 176 {
 177    _EGLConfig         base;
 178    const __DRIconfig *dri_single_config;
 179    const __DRIconfig *dri_double_config;
 180 };
 181
 182 struct dri2_egl_image
 183 {
 184    _EGLImage   base;
 185    __DRIimage *dri_image;
 186 };
 187
 188 /* standard typecasts */
 189 _EGL_DRIVER_STANDARD_TYPECASTS(dri2_egl)
 190 _EGL_DRIVER_TYPECAST(dri2_egl_image, _EGLImage, obj)
 191
 192 extern const __DRIimageLookupExtension image_lookup_extension;
 193 extern const __DRIuseInvalidateExtension use_invalidate;
 194
 195 EGLBoolean
 196 dri2_load_driver(_EGLDisplay *disp);
 197
 198 /* Helper for platforms not using dri2_create_screen */
 199 void
 200 dri2_setup_screen(_EGLDisplay *disp);
 201
 202 EGLBoolean
 203 dri2_load_driver_swrast(_EGLDisplay *disp);
 204
 205 EGLBoolean
 206 dri2_create_screen(_EGLDisplay *disp);
 207
 208 __DRIimage *
 209 dri2_lookup_egl_image(__DRIscreen *screen, void *image, void *data);
 210
 211 struct dri2_egl_config *
 212 dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
 213                 int depth, EGLint surface_type, const EGLint *attr_list);
 214
 215 _EGLImage *
 216 dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
 217                       _EGLContext *ctx, EGLenum target,
 218                       EGLClientBuffer buffer, const EGLint *attr_list);
 219
 220 EGLBoolean
 221 dri2_initialize_x11(_EGLDriver *drv, _EGLDisplay *disp);
 222
 223 EGLBoolean
 224 dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp);
 225
 226 EGLBoolean
 227 dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp);
 228
 229 char *
 230 dri2_get_driver_for_fd(int fd);
 231 char *
 232 dri2_get_device_name_for_fd(int fd);
 233
 234 #endif /* EGL_DRI2_INCLUDED */