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