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 #ifdef HAVE_ANDROID_PLATFORM
  52 #define LOG_TAG "EGL-DRI2"
  53
  54 #if ANDROID_VERSION >= 0x0400
  55 #  include <system/window.h>
  56 #else
  57 #  define android_native_buffer_t ANativeWindowBuffer
  58 #  include <ui/egl/android_natives.h>
  59 #  include <ui/android_native_buffer.h>
  60 #endif
  61
  62 #include <hardware/gralloc.h>
  63 #include <gralloc_drm_handle.h>
  64 #include <cutils/log.h>
  65
  66 #endif /* HAVE_ANDROID_PLATFORM */
  67
  68 #include "eglconfig.h"
  69 #include "eglcontext.h"
  70 #include "egldisplay.h"
  71 #include "egldriver.h"
  72 #include "eglcurrent.h"
  73 #include "egllog.h"
  74 #include "eglsurface.h"
  75 #include "eglimage.h"
  76
  77 #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
  78
  79 struct dri2_egl_driver
  80 {
  81    _EGLDriver base;
  82
  83    void *handle;
  84    _EGLProc (*get_proc_address)(const char *procname);
  85    void (*glFlush)(void);
  86 };
  87
  88 struct dri2_egl_display
  89 {
  90    int                       dri2_major;
  91    int                       dri2_minor;
  92    __DRIscreen              *dri_screen;
  93    int                       own_dri_screen;
  94    const __DRIconfig       **driver_configs;
  95    void                     *driver;
  96    __DRIcoreExtension       *core;
  97    __DRIdri2Extension       *dri2;
  98    __DRIswrastExtension     *swrast;
  99    __DRI2flushExtension     *flush;
 100    __DRItexBufferExtension  *tex_buffer;
 101    __DRIimageExtension      *image;
 102    __DRIrobustnessExtension *robustness;
 103    int                       fd;
 104
 105    int                       own_device;
 106    int                       swap_available;
 107    int                       invalidate_available;
 108 #ifdef HAVE_DRM_PLATFORM
 109    struct gbm_dri_device    *gbm_dri;
 110 #endif
 111
 112    char                     *device_name;
 113    char                     *driver_name;
 114
 115    __DRIdri2LoaderExtension    dri2_loader_extension;
 116    __DRIswrastLoaderExtension  swrast_loader_extension;
 117    const __DRIextension     *extensions[4];
 118
 119 #ifdef HAVE_X11_PLATFORM
 120    xcb_connection_t         *conn;
 121 #endif
 122
 123 #ifdef HAVE_WAYLAND_PLATFORM
 124    struct wl_display        *wl_dpy;
 125    struct wl_drm            *wl_server_drm;
 126    struct wl_drm            *wl_drm;
 127    int                       authenticated;
 128    int                       formats;
 129 #endif
 130
 131    int (*authenticate) (_EGLDisplay *disp, uint32_t id);
 132 };
 133
 134 struct dri2_egl_context
 135 {
 136    _EGLContext   base;
 137    __DRIcontext *dri_context;
 138 };
 139
 140 #ifdef HAVE_WAYLAND_PLATFORM
 141 enum wayland_buffer_type {
 142    WL_BUFFER_FRONT,
 143    WL_BUFFER_BACK,
 144    WL_BUFFER_THIRD,
 145    WL_BUFFER_COUNT
 146 };
 147 #endif
 148
 149 struct dri2_egl_surface
 150 {
 151    _EGLSurface          base;
 152    __DRIdrawable       *dri_drawable;
 153    __DRIbuffer          buffers[5];
 154    int                  buffer_count;
 155    int                  have_fake_front;
 156    int                  swap_interval;
 157
 158 #ifdef HAVE_X11_PLATFORM
 159    xcb_drawable_t       drawable;
 160    xcb_xfixes_region_t  region;
 161    int                  depth;
 162    int                  bytes_per_pixel;
 163    xcb_gcontext_t       gc;
 164    xcb_gcontext_t       swapgc;
 165 #endif
 166
 167 #ifdef HAVE_WAYLAND_PLATFORM
 168    struct wl_egl_window  *wl_win;
 169    struct wl_egl_pixmap  *wl_pix;
 170    struct wl_buffer      *wl_drm_buffer[WL_BUFFER_COUNT];
 171    int                    wl_buffer_lock[WL_BUFFER_COUNT];
 172    int                    dx;
 173    int                    dy;
 174    __DRIbuffer           *dri_buffers[__DRI_BUFFER_COUNT];
 175    __DRIbuffer           *third_buffer;
 176    __DRIbuffer           *pending_buffer;
 177    EGLBoolean             block_swap_buffers;
 178    int                    format;
 179 #endif
 180
 181 #ifdef HAVE_DRM_PLATFORM
 182    struct gbm_dri_surface *gbm_surf;
 183    struct {
 184       struct gbm_bo       *bo;
 185       int                  locked;
 186    } color_buffers[3], *back, *current;
 187 #ifndef HAVE_WAYLAND_PLATFORM
 188    __DRIbuffer           *dri_buffers[__DRI_BUFFER_COUNT];
 189 #endif
 190 #endif
 191
 192 #ifdef HAVE_ANDROID_PLATFORM
 193    struct ANativeWindow *window;
 194    struct ANativeWindowBuffer *buffer;
 195
 196    /* EGL-owned buffers */
 197    __DRIbuffer           *local_buffers[__DRI_BUFFER_COUNT];
 198 #endif
 199 };
 200
 201 struct dri2_egl_buffer {
 202    __DRIbuffer *dri_buffer;
 203    struct dri2_egl_display *dri2_dpy;
 204 };
 205
 206
 207 struct dri2_egl_config
 208 {
 209    _EGLConfig         base;
 210    const __DRIconfig *dri_single_config;
 211    const __DRIconfig *dri_double_config;
 212 };
 213
 214 struct dri2_egl_image
 215 {
 216    _EGLImage   base;
 217    __DRIimage *dri_image;
 218 };
 219
 220 /* standard typecasts */
 221 _EGL_DRIVER_STANDARD_TYPECASTS(dri2_egl)
 222 _EGL_DRIVER_TYPECAST(dri2_egl_image, _EGLImage, obj)
 223
 224 extern const __DRIimageLookupExtension image_lookup_extension;
 225 extern const __DRIuseInvalidateExtension use_invalidate;
 226
 227 EGLBoolean
 228 dri2_load_driver(_EGLDisplay *disp);
 229
 230 /* Helper for platforms not using dri2_create_screen */
 231 void
 232 dri2_setup_screen(_EGLDisplay *disp);
 233
 234 EGLBoolean
 235 dri2_load_driver_swrast(_EGLDisplay *disp);
 236
 237 EGLBoolean
 238 dri2_create_screen(_EGLDisplay *disp);
 239
 240 __DRIimage *
 241 dri2_lookup_egl_image(__DRIscreen *screen, void *image, void *data);
 242
 243 struct dri2_egl_config *
 244 dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
 245                 int depth, EGLint surface_type, const EGLint *attr_list,
 246                 const unsigned int *rgba_masks);
 247
 248 _EGLImage *
 249 dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
 250                       _EGLContext *ctx, EGLenum target,
 251                       EGLClientBuffer buffer, const EGLint *attr_list);
 252
 253 EGLBoolean
 254 dri2_initialize_x11(_EGLDriver *drv, _EGLDisplay *disp);
 255
 256 EGLBoolean
 257 dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp);
 258
 259 EGLBoolean
 260 dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp);
 261
 262 EGLBoolean
 263 dri2_initialize_android(_EGLDriver *drv, _EGLDisplay *disp);
 264
 265 char *
 266 dri2_get_driver_for_fd(int fd);
 267 char *
 268 dri2_get_device_name_for_fd(int fd);
 269
 270 #endif /* EGL_DRI2_INCLUDED */