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 #include <xcb/xcb.h>
  32 #include <xcb/dri2.h>
  33 #include <xcb/xfixes.h>
  34 #include <X11/Xlib-xcb.h>
  35
  36 #ifdef HAVE_WAYLAND_PLATFORM
  37 #include <wayland-client.h>
  38 #include "wayland-drm.h"
  39 #include "wayland-egl-priv.h"
  40 #endif
  41
  42 #include <GL/gl.h>
  43 #include <GL/internal/dri_interface.h>
  44
  45 #include "eglconfig.h"
  46 #include "eglcontext.h"
  47 #include "egldisplay.h"
  48 #include "egldriver.h"
  49 #include "eglcurrent.h"
  50 #include "egllog.h"
  51 #include "eglsurface.h"
  52 #include "eglimage.h"
  53
  54 #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
  55
  56 struct dri2_egl_driver
  57 {
  58    _EGLDriver base;
  59
  60    void *handle;
  61    _EGLProc (*get_proc_address)(const char *procname);
  62    void (*glFlush)(void);
  63 };
  64
  65 struct dri2_egl_display
  66 {
  67    xcb_connection_t         *conn;
  68    int                       dri2_major;
  69    int                       dri2_minor;
  70    __DRIscreen              *dri_screen;
  71    const __DRIconfig       **driver_configs;
  72    void                     *driver;
  73    __DRIcoreExtension       *core;
  74    __DRIdri2Extension       *dri2;
  75    __DRIswrastExtension     *swrast;
  76    __DRI2flushExtension     *flush;
  77    __DRItexBufferExtension  *tex_buffer;
  78    __DRIimageExtension      *image;
  79    int                       fd;
  80
  81    char                     *device_name;
  82    char                     *driver_name;
  83
  84    __DRIdri2LoaderExtension    dri2_loader_extension;
  85    __DRIswrastLoaderExtension  swrast_loader_extension;
  86    const __DRIextension     *extensions[3];
  87 #ifdef HAVE_WAYLAND_PLATFORM
  88    struct wl_display        *wl_dpy;
  89    struct wl_drm            *wl_server_drm;
  90    struct wl_drm            *wl_drm;
  91    int                       authenticated;
  92 #endif
  93
  94    int (*authenticate) (_EGLDisplay *disp, uint32_t id);
  95 };
  96
  97 struct dri2_egl_context
  98 {
  99    _EGLContext   base;
 100    __DRIcontext *dri_context;
 101 };
 102
 103 #ifdef HAVE_WAYLAND_PLATFORM
 104 enum wayland_buffer_type {
 105    WL_BUFFER_FRONT,
 106    WL_BUFFER_BACK,
 107    WL_BUFFER_COUNT
 108 };
 109
 110 #define __DRI_BUFFER_COUNT 10
 111 #endif
 112
 113 enum dri2_surface_type {
 114    DRI2_WINDOW_SURFACE,
 115    DRI2_PIXMAP_SURFACE,
 116    DRI2_PBUFFER_SURFACE
 117 };
 118
 119 struct dri2_egl_surface
 120 {
 121    _EGLSurface          base;
 122    __DRIdrawable       *dri_drawable;
 123    xcb_drawable_t       drawable;
 124    __DRIbuffer          buffers[5];
 125    int                  buffer_count;
 126    xcb_xfixes_region_t  region;
 127    int                  have_fake_front;
 128    int                  swap_interval;
 129
 130    int                  depth;
 131    int                  bytes_per_pixel;
 132    xcb_gcontext_t       gc;
 133    xcb_gcontext_t       swapgc;
 134
 135    enum dri2_surface_type type;
 136 #ifdef HAVE_WAYLAND_PLATFORM
 137    struct wl_egl_window  *wl_win;
 138    struct wl_egl_pixmap  *wl_pix;
 139    struct wl_buffer      *wl_drm_buffer[WL_BUFFER_COUNT];
 140    int                    dx;
 141    int                    dy;
 142    __DRIbuffer           *dri_buffers[__DRI_BUFFER_COUNT];
 143    __DRIbuffer           *pending_buffer;
 144    EGLBoolean             block_swap_buffers;
 145 #endif
 146 };
 147
 148 struct dri2_egl_buffer {
 149    __DRIbuffer *dri_buffer;
 150    struct dri2_egl_display *dri2_dpy;
 151 };
 152
 153
 154 struct dri2_egl_config
 155 {
 156    _EGLConfig         base;
 157    const __DRIconfig *dri_single_config;
 158    const __DRIconfig *dri_double_config;
 159 };
 160
 161 struct dri2_egl_image
 162 {
 163    _EGLImage   base;
 164    __DRIimage *dri_image;
 165 };
 166
 167 /* standard typecasts */
 168 _EGL_DRIVER_STANDARD_TYPECASTS(dri2_egl)
 169 _EGL_DRIVER_TYPECAST(dri2_egl_image, _EGLImage, obj)
 170
 171 extern const __DRIimageLookupExtension image_lookup_extension;
 172 extern const __DRIuseInvalidateExtension use_invalidate;
 173
 174 EGLBoolean
 175 dri2_load_driver(_EGLDisplay *disp);
 176
 177 EGLBoolean
 178 dri2_create_screen(_EGLDisplay *disp);
 179
 180 struct dri2_egl_config *
 181 dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
 182                 int depth, EGLint surface_type, const EGLint *attr_list);
 183
 184 _EGLImage *
 185 dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
 186                       _EGLContext *ctx, EGLenum target,
 187                       EGLClientBuffer buffer, const EGLint *attr_list);
 188
 189 EGLBoolean
 190 dri2_initialize_x11(_EGLDriver *drv, _EGLDisplay *disp);
 191
 192 EGLBoolean
 193 dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp);
 194
 195 EGLBoolean
 196 dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp);
 197
 198 char *
 199 dri2_get_driver_for_fd(int fd);
 200
 201 #endif /* EGL_DRI2_INCLUDED */